fixes

standardize the submit button

.github/workflows/build.yml

@@ -76,7 +76,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.7"
+          python-version: "3.12"
 
       - name: Pip requirements
         run: |

.github/workflows/multiOSReleases.yml

@@ -74,7 +74,7 @@ jobs:
         shell: bash
         run: |
           if [ "${{ matrix.os }}" = "windows-latest" ]; then
-            mv "build/jpackage/Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}.exe" "Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}-${{ matrix.platform }}.${{ matrix.ext }}"
+            mv "build/jpackage/Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}.exe" "Stirling-PDF-${{ matrix.platform }}-installer.${{ matrix.ext }}"
           elif [ "${{ matrix.os }}" = "macos-latest" ]; then
             mv "build/jpackage/Stirling-PDF-${{ steps.versionNumberMac.outputs.versionNumberMac }}.dmg" "Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}-${{ matrix.platform }}.${{ matrix.ext }}"
           else
@@ -85,7 +85,12 @@ jobs:
       - name: Upload Installer Artifact
         uses: actions/upload-artifact@v4
         with:    
-          name: Stirling-PDF-${{ matrix.platform }}-installer.{{ matrix.ext }}
+          name: Stirling-PDF-${{ matrix.platform }}-installer.${{ matrix.ext }}
-          path: Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}-${{ matrix.platform }}.${{ matrix.ext }}
+          path: Stirling-PDF-${{ matrix.platform }}-installer.${{ matrix.ext }}
           retention-days: 1
-          if-no-files-found: error
+          if-no-files-found: error
+
+      - name: Upload binaries to release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: ./Stirling-PDF-${{ matrix.platform }}-installer.${{ matrix.ext }}

.github/workflows/releaseArtifacts.yml

@@ -59,13 +59,13 @@ jobs:
           files: ./build/launch4j/Stirling-PDF-Server${{ matrix.file_suffix }}.exe
 
       - name: Rename jar binaries
-        run: cp ./build/libs/Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}.jar ./build/libs/Stirling-PDF-Server${{ matrix.file_suffix }}.jar
+        run: cp ./build/libs/Stirling-PDF-${{ steps.versionNumber.outputs.versionNumber }}.jar ./build/libs/Stirling-PDF${{ matrix.file_suffix }}.jar
 
       - name: Upload Assets jar binaries
         uses: actions/upload-artifact@v4
         with:
-          path: ./build/libs/Stirling-PDF-Server${{ matrix.file_suffix }}.jar
+          path: ./build/libs/Stirling-PDF${{ matrix.file_suffix }}.jar
-          name: Stirling-PDF-Server${{ matrix.file_suffix }}.jar
+          name: Stirling-PDF${{ matrix.file_suffix }}.jar
           overwrite: true
           retention-days: 1
           if-no-files-found: error
@@ -73,44 +73,4 @@ jobs:
       - name: Upload jar binaries to release
         uses: softprops/action-gh-release@v2
         with:
-          files: ./build/libs/Stirling-PDF-Server${{ matrix.file_suffix }}.jar
+          files: ./build/libs/Stirling-PDF${{ matrix.file_suffix }}.jar
-
-
-  push-ui:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          java-version: "17"
-          distribution: "temurin"
-
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: 8.7
-
-      - name: Generate exe
-        run: ./gradlew clean createExe
-        env:
-          DOCKER_ENABLE_SECURITY: false
-          STIRLING_PDF_DESKTOP_UI: true
-
-      - name: Get version number
-        id: versionNumber
-        run: echo "versionNumber=$(./gradlew printVersion --quiet | tail -1)" >> $GITHUB_OUTPUT
-
-      - name: Upload Assets binarie
-        uses: actions/upload-artifact@v4
-        with:
-          path: ./build/launch4j/Stirling-PDF.exe
-          name: Stirling-PDF.exe
-          overwrite: true
-          retention-days: 1
-          if-no-files-found: error
-
-      - name: Upload binaries to release
-        uses: softprops/action-gh-release@v2
-        with:
-          files: ./build/launch4j/Stirling-PDF.exe

.vscode/settings.json

@@ -49,5 +49,7 @@
   "editor.indentSize": "tabSize",
   "editor.stickyScroll.enabled": false,
   "editor.minimap.enabled": false,
-  "editor.formatOnSave": true
+  "editor.formatOnSave": true,
+  "java.format.settings.google.mode": "jar-file",
+  "java.format.settings.google.extra": "--aosp --skip-sorting-imports"
 }

DATABASE.md

@@ -1,12 +1,5 @@
 # New Database Backup and Import Functionality
 
-> [!IMPORTANT]
-> **Full activation will take place on approximately January 5th, 2025!**
-
-Why is the waiting time six months?
-
-There are users who only install updates sporadically; if they skip the preparation, it can/will lead to data loss in the database.
-
 ## Functionality Overview
 
 The newly introduced feature enhances the application with robust database backup and import capabilities. This feature is designed to ensure data integrity and provide a straightforward way to manage database backups. Here's how it works:

README.md

@@ -192,32 +192,32 @@ Stirling-PDF currently supports 38 languages!
 | Language                                     | Progress                               |
 | -------------------------------------------- | -------------------------------------- |
 | Arabic (العربية) (ar_AR)                        | ![94%](https://geps.dev/progress/94)   |
-| Azerbaijani (Azərbaycan Dili) (az_AZ)        | ![93%](https://geps.dev/progress/93)   |
+| Azerbaijani (Azərbaycan Dili) (az_AZ)        | ![92%](https://geps.dev/progress/92)   |
 | Basque (Euskara) (eu_ES)                     | ![53%](https://geps.dev/progress/53)   |
-| Bulgarian (Български) (bg_BG)                | ![90%](https://geps.dev/progress/90)   |
+| Bulgarian (Български) (bg_BG)                | ![89%](https://geps.dev/progress/89)   |
 | Catalan (Català) (ca_CA)                     | ![84%](https://geps.dev/progress/84)   |
 | Croatian (Hrvatski) (hr_HR)                  | ![91%](https://geps.dev/progress/91)   |
-| Czech (Česky) (cs_CZ)                        | ![91%](https://geps.dev/progress/91)   |
+| Czech (Česky) (cs_CZ)                        | ![90%](https://geps.dev/progress/90)   |
-| Danish (Dansk) (da_DK)                       | ![90%](https://geps.dev/progress/90)   |
+| Danish (Dansk) (da_DK)                       | ![89%](https://geps.dev/progress/89)   |
 | Dutch (Nederlands) (nl_NL)                   | ![89%](https://geps.dev/progress/89)   |
 | English (English) (en_GB)                    | ![100%](https://geps.dev/progress/100) |
 | English (US) (en_US)                         | ![100%](https://geps.dev/progress/100) |
 | French (Français) (fr_FR)                    | ![92%](https://geps.dev/progress/92)   |
-| German (Deutsch) (de_DE)                     | ![99%](https://geps.dev/progress/99)   |
+| German (Deutsch) (de_DE)                     | ![100%](https://geps.dev/progress/100)   |
 | Greek (Ελληνικά) (el_GR)                     | ![90%](https://geps.dev/progress/90)   |
 | Hindi (हिंदी) (hi_IN)                          | ![88%](https://geps.dev/progress/88)   |
 | Hungarian (Magyar) (hu_HU)                   | ![91%](https://geps.dev/progress/91)   |
-| Indonesian (Bahasa Indonesia) (id_ID)        | ![91%](https://geps.dev/progress/91)   |
+| Indonesian (Bahasa Indonesia) (id_ID)        | ![90%](https://geps.dev/progress/90)   |
-| Irish (Gaeilge) (ga_IE)                      | ![83%](https://geps.dev/progress/83)   |
+| Irish (Gaeilge) (ga_IE)                      | ![82%](https://geps.dev/progress/82)   |
 | Italian (Italiano) (it_IT)                   | ![99%](https://geps.dev/progress/99)   |
 | Japanese (日本語) (ja_JP)                    | ![93%](https://geps.dev/progress/93)   |
 | Korean (한국어) (ko_KR)                      | ![89%](https://geps.dev/progress/89)   |
 | Norwegian (Norsk) (no_NB)                    | ![82%](https://geps.dev/progress/82)   |
 | Persian (فارسی) (fa_IR)                      | ![99%](https://geps.dev/progress/99)   |
 | Polish (Polski) (pl_PL)                      | ![90%](https://geps.dev/progress/90)   |
-| Portuguese (Português) (pt_PT)               | ![91%](https://geps.dev/progress/91)   |
+| Portuguese (Português) (pt_PT)               | ![90%](https://geps.dev/progress/90)   |
 | Portuguese Brazilian (Português) (pt_BR)     | ![98%](https://geps.dev/progress/98)   |
-| Romanian (Română) (ro_RO)                    | ![85%](https://geps.dev/progress/85)   |
+| Romanian (Română) (ro_RO)                    | ![84%](https://geps.dev/progress/84)   |
 | Russian (Русский) (ru_RU)                    | ![90%](https://geps.dev/progress/90)   |
 | Serbian Latin alphabet (Srpski) (sr_LATN_RS) | ![67%](https://geps.dev/progress/67)   |
 | Simplified Chinese (简体中文) (zh_CN)         | ![93%](https://geps.dev/progress/93)   |

build.gradle

@@ -22,12 +22,12 @@ ext {
     imageioVersion = "3.12.0"
     lombokVersion = "1.18.36"
     bouncycastleVersion = "1.79"
-    springSecuritySamlVersion = "6.4.1"
+    springSecuritySamlVersion = "6.4.2"
-    openSamlVersion = "4.3.2"  
+    openSamlVersion = "4.3.2"
 }
 
 group = "stirling.software"
-version = "0.36.1"
+version = "0.36.5"
 
 
 java {
@@ -38,13 +38,9 @@ java {
 repositories {
     mavenCentral()
     maven { url "https://jitpack.io" }
-    maven { url "https://build.shibboleth.net/nexus/content/repositories/releases/" }
-    maven {
-        url 'https://build.shibboleth.net/maven/releases'
-    }
     maven { url "https://build.shibboleth.net/maven/releases" }
     maven { url "https://maven.pkg.github.com/jcefmaven/jcefmaven" }
-    
+
 }
 
 licenseReport {
@@ -68,12 +64,12 @@ sourceSets {
                 exclude "stirling/software/SPDF/model/User.java"
                 exclude "stirling/software/SPDF/repository/**"
             }
-            
+
             if (System.getenv("STIRLING_PDF_DESKTOP_UI") == "false") {
             	exclude "stirling/software/SPDF/UI/impl/**"
             }
-            
+
-            
+
         }
     }
 }
@@ -104,7 +100,7 @@ jpackage {
 
     icon = "src/main/resources/static/favicon.ico"
 
-    
+
 
     // JVM Options
     javaOptions = [
@@ -115,12 +111,12 @@ jpackage {
         "--add-opens", "java.base/java.lang=ALL-UNNAMED",
         "--add-opens", "java.desktop/java.awt.event=ALL-UNNAMED",
         "--add-opens", "java.desktop/sun.awt=ALL-UNNAMED"
-        
+
     ]
 
 
     verbose = true
-    
+
     destination = "${projectDir}/build/jpackage"
 
     // Windows-specific configuration
@@ -150,16 +146,16 @@ jpackage {
         macAppCategory = "public.app-category.productivity"
         macSign = false // Enable signing
         macAppStore = false // Not targeting App Store initially
-        
+
         //installDir = "Applications"
-        
+
         // Add license and other documentation to DMG
         /*macDmgContent = [
             "README.md",
             "LICENSE",
             "CHANGELOG.md"
         ]*/
-        
+
         // Enable Mac-specific entitlements
         //macEntitlements = "entitlements.plist" // You'll need to create this file
     }
@@ -169,7 +165,7 @@ jpackage {
     	appVersion = project.version
         icon = "src/main/resources/static/favicon.png"
         type = "deb" // Can also use "rpm" for Red Hat-based systems
-        
+
         // Debian package configuration
         //linuxPackageName = "stirlingpdf"
         linuxDebMaintainer = "support@stirlingpdf.com"
@@ -177,9 +173,9 @@ jpackage {
         linuxAppCategory = "Office"
         linuxAppRelease = "1"
         linuxPackageDeps = true
-        
+
         installDir = "/opt/Stirling-PDF"
-        
+
         // RPM-specific settings
         //linuxRpmLicenseType = "MIT"
     }
@@ -212,7 +208,7 @@ launch4j {
     icon = "${projectDir}/src/main/resources/static/favicon.ico"
 
     outfile="Stirling-PDF.exe"
-    
+
     if(System.getenv("STIRLING_PDF_DESKTOP_UI") == 'true') {
     	headerType = "gui"
     } else {
@@ -222,15 +218,15 @@ launch4j {
 
     errTitle="Encountered error, Do you have Java 21?"
     downloadUrl="https://download.oracle.com/java/21/latest/jdk-21_windows-x64_bin.exe"
-    
+
     if(System.getenv("STIRLING_PDF_DESKTOP_UI") == 'true') {
     	variables=["BROWSER_OPEN=true", "STIRLING_PDF_DESKTOP_UI=true"]
     } else {
     	variables=["BROWSER_OPEN=true"]
     }
-    
+
-    
+
-    
+
     jreMinVersion="17"
 
     mutexName="Stirling-PDF"
@@ -247,7 +243,7 @@ spotless {
     java {
         target project.fileTree('src/main/java')
 
-        googleJavaFormat("1.22.0").aosp().reorderImports(false)
+        googleJavaFormat("1.25.2").aosp().reorderImports(false)
 
         importOrder("java", "javax", "org", "com", "net", "io")
         toggleOffOn()
@@ -276,11 +272,11 @@ dependencies {
 	    implementation "org.openjfx:javafx-controls:21"
 	    implementation "org.openjfx:javafx-swing:21"
     }
-    
-    //security updates
-    implementation "org.springframework:spring-webmvc:6.2.0"
 
-    implementation("io.github.pixee:java-security-toolkit:1.2.0")
+    //security updates
+    implementation "org.springframework:spring-webmvc:6.2.1"
+
+    implementation("io.github.pixee:java-security-toolkit:1.2.1")
 
     // implementation "org.yaml:snakeyaml:2.2"
     implementation 'com.github.Carleslc.Simple-YAML:Simple-Yaml:1.8.4'
@@ -301,7 +297,7 @@ dependencies {
         implementation "org.springframework.boot:spring-boot-starter-oauth2-client:$springBootVersion"
 
 		implementation "org.springframework.session:spring-session-core:$springBootVersion"
-				
+
 	    implementation 'com.unboundid.product.scim2:scim2-sdk-client:2.3.5'
         // Don't upgrade h2database
         runtimeOnly "com.h2database:h2:2.3.232"
@@ -372,7 +368,7 @@ dependencies {
     implementation "org.bouncycastle:bcprov-jdk18on:$bouncycastleVersion"
     implementation "org.bouncycastle:bcpkix-jdk18on:$bouncycastleVersion"
     implementation "org.springframework.boot:spring-boot-starter-actuator:$springBootVersion"
-    implementation "io.micrometer:micrometer-core:1.14.1"
+    implementation "io.micrometer:micrometer-core:1.14.2"
     implementation group: "com.google.zxing", name: "core", version: "3.5.3"
     // https://mvnrepository.com/artifact/org.commonmark/commonmark
     implementation "org.commonmark:commonmark:0.24.0"

scripts/init.sh

@@ -16,10 +16,10 @@ fi
 # Check if TESSERACT_LANGS environment variable is set and is not empty
 if [[ -n "$TESSERACT_LANGS" ]]; then
   # Convert comma-separated values to a space-separated list
-  LANGS=$(echo $TESSERACT_LANGS | tr ',' ' ')
+  SPACE_SEPARATED_LANGS=$(echo $TESSERACT_LANGS | tr ',' ' ')
   pattern='^[a-zA-Z]{2,4}(_[a-zA-Z]{2,4})?$'
   # Install each language pack
-  for LANG in $LANGS; do
+  for LANG in $SPACE_SEPARATED_LANGS; do
      if [[ $LANG =~ $pattern ]]; then
       apk add --no-cache "tesseract-ocr-data-$LANG"
      else

src/main/java/org/apache/pdfbox/examples/signature/CreateSignatureBase.java

@@ -97,14 +97,14 @@ public abstract class CreateSignatureBase implements SignatureInterface {
         this.privateKey = privateKey;
     }
 
-    public final void setCertificateChain(final Certificate[] certificateChain) {
-        this.certificateChain = certificateChain;
-    }
-
     public Certificate[] getCertificateChain() {
         return certificateChain;
     }
 
+    public final void setCertificateChain(final Certificate[] certificateChain) {
+        this.certificateChain = certificateChain;
+    }
+
     public void setTsaUrl(String tsaUrl) {
         this.tsaUrl = tsaUrl;
     }
@@ -152,6 +152,10 @@ public abstract class CreateSignatureBase implements SignatureInterface {
         }
     }
 
+    public boolean isExternalSigning() {
+        return externalSigning;
+    }
+
     /**
      * Set if external signing scenario should be used. If {@code false}, SignatureInterface would
      * be used for signing.
@@ -163,8 +167,4 @@ public abstract class CreateSignatureBase implements SignatureInterface {
     public void setExternalSigning(boolean externalSigning) {
         this.externalSigning = externalSigning;
     }
-
-    public boolean isExternalSigning() {
-        return externalSigning;
-    }
 }

src/main/java/org/apache/pdfbox/examples/signature/TSAClient.java

@@ -51,15 +51,13 @@ public class TSAClient {
 
     private static final DigestAlgorithmIdentifierFinder ALGORITHM_OID_FINDER =
             new DefaultDigestAlgorithmIdentifierFinder();
-
+    // SecureRandom.getInstanceStrong() would be better, but sometimes blocks on Linux
+    private static final Random RANDOM = new SecureRandom();
     private final URL url;
     private final String username;
     private final String password;
     private final MessageDigest digest;
 
-    // SecureRandom.getInstanceStrong() would be better, but sometimes blocks on Linux
-    private static final Random RANDOM = new SecureRandom();
-
     /**
      * @param url the URL of the TSA service
      * @param username user name of TSA

src/main/java/stirling/software/SPDF/EE/EEAppConfig.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.EE;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.Ordered;
@@ -14,8 +13,15 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Slf4j
 public class EEAppConfig {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
-    @Autowired private LicenseKeyChecker licenseKeyChecker;
+
+    private final LicenseKeyChecker licenseKeyChecker;
+
+    public EEAppConfig(
+            ApplicationProperties applicationProperties, LicenseKeyChecker licenseKeyChecker) {
+        this.applicationProperties = applicationProperties;
+        this.licenseKeyChecker = licenseKeyChecker;
+    }
 
     @Bean(name = "runningEE")
     public boolean runningEnterpriseEdition() {

src/main/java/stirling/software/SPDF/LibreOfficeListener.java

@@ -6,9 +6,6 @@ import java.net.Socket;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import io.github.pixee.security.SystemCommand;
 
 import lombok.extern.slf4j.Slf4j;
@@ -16,23 +13,20 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class LibreOfficeListener {
 
-    private static final Logger logger = LoggerFactory.getLogger(LibreOfficeListener.class);
     private static final long ACTIVITY_TIMEOUT = 20L * 60 * 1000; // 20 minutes
 
     private static final LibreOfficeListener INSTANCE = new LibreOfficeListener();
     private static final int LISTENER_PORT = 2002;
+    private ExecutorService executorService;
+    private long lastActivityTime;
+    private Process process;
+
+    private LibreOfficeListener() {}
 
     public static LibreOfficeListener getInstance() {
         return INSTANCE;
     }
 
-    private ExecutorService executorService;
-    private long lastActivityTime;
-
-    private Process process;
-
-    private LibreOfficeListener() {}
-
     private boolean isListenerRunning() {
         log.info("waiting for listener to start");
         try (Socket socket = new Socket()) {
@@ -87,7 +81,7 @@ public class LibreOfficeListener {
                 Thread.sleep(1000);
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();
-                logger.error("exception", e);
+                log.error("exception", e);
             } // Check every 1 second
         }
     }

src/main/java/stirling/software/SPDF/SPdfApplication.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF;
 
-import java.awt.*;
 import java.io.IOException;
 import java.net.ServerSocket;
 import java.nio.file.Files;
@@ -11,10 +10,6 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
 
-import javax.swing.*;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
@@ -23,6 +18,7 @@ import org.springframework.core.env.Environment;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
 import io.github.pixee.security.SystemCommand;
+
 import jakarta.annotation.PostConstruct;
 import jakarta.annotation.PreDestroy;
 import lombok.extern.slf4j.Slf4j;
@@ -35,26 +31,22 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Slf4j
 public class SPdfApplication {
 
-    private static final Logger logger = LoggerFactory.getLogger(SPdfApplication.class);
-
-    @Autowired private Environment env;
-    @Autowired ApplicationProperties applicationProperties;
-
     private static String baseUrlStatic;
     private static String serverPortStatic;
+    private final Environment env;
+    private final ApplicationProperties applicationProperties;
+    private final WebBrowser webBrowser;
 
     @Value("${baseUrl:http://localhost}")
     private String baseUrl;
 
-    @Value("${server.port:8080}")
+    public SPdfApplication(
-    public void setServerPortStatic(String port) {
+            Environment env,
-        if ("auto".equalsIgnoreCase(port)) {
+            ApplicationProperties applicationProperties,
-            // Use Spring Boot's automatic port assignment (server.port=0)
+            @Autowired(required = false) WebBrowser webBrowser) {
-            SPdfApplication.serverPortStatic =
+        this.env = env;
-                    "0"; // This will let Spring Boot assign an available port
+        this.applicationProperties = applicationProperties;
-        } else {
+        this.webBrowser = webBrowser;
-            SPdfApplication.serverPortStatic = port;
-        }
     }
 
     // Optionally keep this method if you want to provide a manual port-incrementation fallback.
@@ -75,29 +67,23 @@ public class SPdfApplication {
     }
 
     public static void main(String[] args) throws IOException, InterruptedException {
-
         SpringApplication app = new SpringApplication(SPdfApplication.class);
-
         Properties props = new Properties();
-
         if (Boolean.parseBoolean(System.getProperty("STIRLING_PDF_DESKTOP_UI", "false"))) {
             System.setProperty("java.awt.headless", "false");
             app.setHeadless(false);
             props.put("java.awt.headless", "false");
             props.put("spring.main.web-application-type", "servlet");
         }
-
         app.setAdditionalProfiles("default");
         app.addInitializers(new ConfigInitializer());
         Map<String, String> propertyFiles = new HashMap<>();
-
         // External config files
         if (Files.exists(Paths.get("configs/settings.yml"))) {
             propertyFiles.put("spring.config.additional-location", "file:configs/settings.yml");
         } else {
-            logger.warn("External configuration file 'configs/settings.yml' does not exist.");
+            log.warn("External configuration file 'configs/settings.yml' does not exist.");
         }
-
         if (Files.exists(Paths.get("configs/custom_settings.yml"))) {
             String existingLocation =
                     propertyFiles.getOrDefault("spring.config.additional-location", "");
@@ -108,43 +94,54 @@ public class SPdfApplication {
                     "spring.config.additional-location",
                     existingLocation + "file:configs/custom_settings.yml");
         } else {
-            logger.warn("Custom configuration file 'configs/custom_settings.yml' does not exist.");
+            log.warn("Custom configuration file 'configs/custom_settings.yml' does not exist.");
         }
         Properties finalProps = new Properties();
-
         if (!propertyFiles.isEmpty()) {
             finalProps.putAll(
                     Collections.singletonMap(
                             "spring.config.additional-location",
                             propertyFiles.get("spring.config.additional-location")));
         }
-
         if (!props.isEmpty()) {
             finalProps.putAll(props);
         }
         app.setDefaultProperties(finalProps);
-
         app.run(args);
-
         // Ensure directories are created
         try {
             Files.createDirectories(Path.of("customFiles/static/"));
             Files.createDirectories(Path.of("customFiles/templates/"));
         } catch (Exception e) {
-            logger.error("Error creating directories: {}", e.getMessage());
+            log.error("Error creating directories: {}", e.getMessage());
         }
-
         printStartupLogs();
     }
 
     private static void printStartupLogs() {
-        logger.info("Stirling-PDF Started.");
+        log.info("Stirling-PDF Started.");
         String url = baseUrlStatic + ":" + getStaticPort();
-        logger.info("Navigate to {}", url);
+        log.info("Navigate to {}", url);
     }
 
-    @Autowired(required = false)
+    public static String getStaticBaseUrl() {
-    private WebBrowser webBrowser;
+        return baseUrlStatic;
+    }
+
+    public static String getStaticPort() {
+        return serverPortStatic;
+    }
+
+    @Value("${server.port:8080}")
+    public void setServerPortStatic(String port) {
+        if ("auto".equalsIgnoreCase(port)) {
+            // Use Spring Boot's automatic port assignment (server.port=0)
+            SPdfApplication.serverPortStatic = // This will let Spring Boot assign an available port
+                    "0";
+        } else {
+            SPdfApplication.serverPortStatic = port;
+        }
+    }
 
     @PostConstruct
     public void init() {
@@ -154,7 +151,7 @@ public class SPdfApplication {
                 && Boolean.parseBoolean(System.getProperty("STIRLING_PDF_DESKTOP_UI", "false"))) {
             webBrowser.initWebUI(url);
         } else {
-        	String browserOpenEnv = env.getProperty("BROWSER_OPEN");
+            String browserOpenEnv = env.getProperty("BROWSER_OPEN");
             boolean browserOpen = browserOpenEnv != null && "true".equalsIgnoreCase(browserOpenEnv);
             if (browserOpen) {
                 try {
@@ -169,11 +166,11 @@ public class SPdfApplication {
                         SystemCommand.runCommand(rt, "xdg-open " + url);
                     }
                 } catch (Exception e) {
-                    logger.error("Error opening browser: {}", e.getMessage());
+                    log.error("Error opening browser: {}", e.getMessage());
                 }
             }
         }
-        logger.info("Running configs {}", applicationProperties.toString()); 
+        log.info("Running configs {}", applicationProperties.toString());
     }
 
     @PreDestroy
@@ -183,18 +180,10 @@ public class SPdfApplication {
         }
     }
 
-    public static String getStaticBaseUrl() {
-        return baseUrlStatic;
-    }
-
     public String getNonStaticBaseUrl() {
         return baseUrlStatic;
     }
 
-    public static String getStaticPort() {
-        return serverPortStatic;
-    }
-
     public String getNonStaticPort() {
         return serverPortStatic;
     }

src/main/java/stirling/software/SPDF/config/AppConfig.java

@@ -7,9 +7,6 @@ import java.nio.file.Paths;
 import java.util.Properties;
 import java.util.function.Predicate;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
@@ -21,15 +18,19 @@ import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.thymeleaf.spring6.SpringTemplateEngine;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.ApplicationProperties;
 
 @Configuration
 @Lazy
+@Slf4j
 public class AppConfig {
 
-    private static final Logger logger = LoggerFactory.getLogger(AppConfig.class);
+    private final ApplicationProperties applicationProperties;
 
-    @Autowired ApplicationProperties applicationProperties;
+    public AppConfig(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @Bean
     @ConditionalOnProperty(
@@ -61,7 +62,7 @@ public class AppConfig {
             props.load(resource.getInputStream());
             return props.getProperty("version");
         } catch (IOException e) {
-            logger.error("exception", e);
+            log.error("exception", e);
         }
         return "0.0.0";
     }
@@ -101,6 +102,25 @@ public class AppConfig {
         return Files.exists(Paths.get("/.dockerenv"));
     }
 
+    @Bean(name = "configDirMounted")
+    public boolean isRunningInDockerWithConfig() {
+        Path dockerEnv = Paths.get("/.dockerenv");
+        // default to true if not docker
+        if (!Files.exists(dockerEnv)) {
+            return true;
+        }
+        Path mountInfo = Paths.get("/proc/1/mountinfo");
+        // this should always exist, if not some unknown usecase
+        if (!Files.exists(mountInfo)) {
+            return true;
+        }
+        try {
+            return Files.lines(mountInfo).anyMatch(line -> line.contains(" /configs "));
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
     @Bean(name = "bookAndHtmlFormatsInstalled")
     public boolean bookAndHtmlFormatsInstalled() {
         String installOps = System.getProperty("INSTALL_BOOK_AND_ADVANCED_HTML_OPS");

src/main/java/stirling/software/SPDF/config/AppUpdateService.java

@@ -11,10 +11,16 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Service
 class AppUpdateService {
 
-    @Autowired private ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
-    @Autowired(required = false)
+    private final ShowAdminInterface showAdmin;
-    ShowAdminInterface showAdmin;
+
+    public AppUpdateService(
+            ApplicationProperties applicationProperties,
+            @Autowired(required = false) ShowAdminInterface showAdmin) {
+        this.applicationProperties = applicationProperties;
+        this.showAdmin = showAdmin;
+    }
 
     @Bean(name = "shouldShow")
     @Scope("request")

src/main/java/stirling/software/SPDF/config/ConfigInitializer.java

@@ -16,16 +16,15 @@ import org.simpleyaml.configuration.comments.CommentType;
 import org.simpleyaml.configuration.file.YamlFile;
 import org.simpleyaml.configuration.implementation.SimpleYamlImplementation;
 import org.simpleyaml.configuration.implementation.snakeyaml.lib.DumperOptions;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.context.ApplicationContextInitializer;
 import org.springframework.context.ConfigurableApplicationContext;
 
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
 public class ConfigInitializer
         implements ApplicationContextInitializer<ConfigurableApplicationContext> {
 
-    private static final Logger logger = LoggerFactory.getLogger(ConfigInitializer.class);
-
     @Override
     public void initialize(ConfigurableApplicationContext applicationContext) {
         try {
@@ -149,7 +148,7 @@ public class ConfigInitializer
                     .commentSide(settingsTemplateFile.getComment(path, CommentType.SIDE));
         } else {
             // Log if the key is not found in both YAML files
-            logger.info("Key not found in both YAML files: " + path);
+            log.info("Key not found in both YAML files: " + path);
         }
     }
 }

src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java

@@ -7,24 +7,23 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.context.annotation.DependsOn;
 import org.springframework.stereotype.Service;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.ApplicationProperties;
 
 @Service
+@Slf4j
 @DependsOn({"bookAndHtmlFormatsInstalled"})
 public class EndpointConfiguration {
-    private static final Logger logger = LoggerFactory.getLogger(EndpointConfiguration.class);
+
+    private static final String REMOVE_BLANKS = "remove-blanks";
+    private final ApplicationProperties applicationProperties;
     private Map<String, Boolean> endpointStatuses = new ConcurrentHashMap<>();
     private Map<String, Set<String>> endpointGroups = new ConcurrentHashMap<>();
-
-    private final ApplicationProperties applicationProperties;
-
     private boolean bookAndHtmlFormatsInstalled;
 
     @Autowired
@@ -43,7 +42,7 @@ public class EndpointConfiguration {
 
     public void disableEndpoint(String endpoint) {
         if (!endpointStatuses.containsKey(endpoint) || endpointStatuses.get(endpoint) != false) {
-            logger.debug("Disabling {}", endpoint);
+            log.debug("Disabling {}", endpoint);
             endpointStatuses.put(endpoint, false);
         }
     }
@@ -87,7 +86,7 @@ public class EndpointConfiguration {
                         .collect(Collectors.toList());
 
         if (!disabledList.isEmpty()) {
-            logger.info(
+            log.info(
                     "Total disabled endpoints: {}. Disabled endpoints: {}",
                     disabledList.size(),
                     String.join(", ", disabledList));
@@ -287,6 +286,4 @@ public class EndpointConfiguration {
     public Set<String> getEndpointsForGroup(String group) {
         return endpointGroups.getOrDefault(group, new HashSet<>());
     }
-
-    private static final String REMOVE_BLANKS = "remove-blanks";
 }

src/main/java/stirling/software/SPDF/config/EndpointInterceptor.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.config;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
 
@@ -10,7 +9,11 @@ import jakarta.servlet.http.HttpServletResponse;
 @Component
 public class EndpointInterceptor implements HandlerInterceptor {
 
-    @Autowired private EndpointConfiguration endpointConfiguration;
+    private final EndpointConfiguration endpointConfiguration;
+
+    public EndpointInterceptor(EndpointConfiguration endpointConfiguration) {
+        this.endpointConfiguration = endpointConfiguration;
+    }
 
     @Override
     public boolean preHandle(

src/main/java/stirling/software/SPDF/config/ExternalAppDepConfig.java

@@ -6,7 +6,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Configuration;
 
 import jakarta.annotation.PostConstruct;
@@ -15,7 +14,24 @@ import lombok.extern.slf4j.Slf4j;
 @Configuration
 @Slf4j
 public class ExternalAppDepConfig {
-    @Autowired private EndpointConfiguration endpointConfiguration;
+
+    private final EndpointConfiguration endpointConfiguration;
+    private final Map<String, List<String>> commandToGroupMapping =
+            new HashMap<>() {
+
+                {
+                    put("soffice", List.of("LibreOffice"));
+                    put("weasyprint", List.of("Weasyprint"));
+                    put("pdftohtml", List.of("Pdftohtml"));
+                    put("unoconv", List.of("Unoconv"));
+                    put("qpdf", List.of("qpdf"));
+                    put("tesseract", List.of("tesseract"));
+                }
+            };
+
+    public ExternalAppDepConfig(EndpointConfiguration endpointConfiguration) {
+        this.endpointConfiguration = endpointConfiguration;
+    }
 
     private boolean isCommandAvailable(String command) {
         try {
@@ -34,18 +50,6 @@ public class ExternalAppDepConfig {
         }
     }
 
-    private final Map<String, List<String>> commandToGroupMapping =
-            new HashMap<>() {
-                {
-                    put("soffice", List.of("LibreOffice"));
-                    put("weasyprint", List.of("Weasyprint"));
-                    put("pdftohtml", List.of("Pdftohtml"));
-                    put("unoconv", List.of("Unoconv"));
-                    put("qpdf", List.of("qpdf"));
-                    put("tesseract", List.of("tesseract"));
-                }
-            };
-
     private List<String> getAffectedFeatures(String group) {
         return endpointConfiguration.getEndpointsForGroup(group).stream()
                 .map(endpoint -> formatEndpointAsFeature(endpoint))
@@ -55,7 +59,6 @@ public class ExternalAppDepConfig {
     private String formatEndpointAsFeature(String endpoint) {
         // First replace common terms
         String feature = endpoint.replace("-", " ").replace("pdf", "PDF").replace("img", "image");
-
         // Split into words and capitalize each word
         return Arrays.stream(feature.split("\\s+"))
                 .map(word -> capitalizeWord(word))
@@ -76,7 +79,6 @@ public class ExternalAppDepConfig {
         boolean isAvailable = isCommandAvailable(command);
         if (!isAvailable) {
             List<String> affectedGroups = commandToGroupMapping.get(command);
-
             if (affectedGroups != null) {
                 for (String group : affectedGroups) {
                     List<String> affectedFeatures = getAffectedFeatures(group);
@@ -95,7 +97,6 @@ public class ExternalAppDepConfig {
 
     @PostConstruct
     public void checkDependencies() {
-
         // Check core dependencies
         checkDependencyAndDisableGroup("tesseract");
         checkDependencyAndDisableGroup("soffice");
@@ -103,13 +104,11 @@ public class ExternalAppDepConfig {
         checkDependencyAndDisableGroup("weasyprint");
         checkDependencyAndDisableGroup("pdftohtml");
         checkDependencyAndDisableGroup("unoconv");
-
         // Special handling for Python/OpenCV dependencies
         boolean pythonAvailable = isCommandAvailable("python3") || isCommandAvailable("python");
         if (!pythonAvailable) {
             List<String> pythonFeatures = getAffectedFeatures("Python");
             List<String> openCVFeatures = getAffectedFeatures("OpenCV");
-
             endpointConfiguration.disableGroup("Python");
             endpointConfiguration.disableGroup("OpenCV");
             log.warn(

src/main/java/stirling/software/SPDF/config/InitialSetup.java

@@ -4,7 +4,6 @@ import java.io.IOException;
 import java.util.Properties;
 import java.util.UUID;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
 import org.springframework.core.io.ClassPathResource;
@@ -23,25 +22,26 @@ import stirling.software.SPDF.utils.GeneralUtils;
 @Order(Ordered.HIGHEST_PRECEDENCE + 1)
 public class InitialSetup {
 
-    @Autowired private ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public InitialSetup(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @PostConstruct
     public void init() throws IOException {
         initUUIDKey();
-
         initSecretKey();
-
         initEnableCSRFSecurity();
-
         initLegalUrls();
-
         initSetAppVersion();
     }
 
     public void initUUIDKey() throws IOException {
         String uuid = applicationProperties.getAutomaticallyGenerated().getUUID();
         if (!GeneralUtils.isValidUUID(uuid)) {
-            uuid = UUID.randomUUID().toString(); // Generating a random UUID as the secret key
+            // Generating a random UUID as the secret key
+            uuid = UUID.randomUUID().toString();
             GeneralUtils.saveKeyToConfig("AutomaticallyGenerated.UUID", uuid);
             applicationProperties.getAutomaticallyGenerated().setUUID(uuid);
         }
@@ -50,7 +50,8 @@ public class InitialSetup {
     public void initSecretKey() throws IOException {
         String secretKey = applicationProperties.getAutomaticallyGenerated().getKey();
         if (!GeneralUtils.isValidUUID(secretKey)) {
-            secretKey = UUID.randomUUID().toString(); // Generating a random UUID as the secret key
+            // Generating a random UUID as the secret key
+            secretKey = UUID.randomUUID().toString();
             GeneralUtils.saveKeyToConfig("AutomaticallyGenerated.key", secretKey);
             applicationProperties.getAutomaticallyGenerated().setKey(secretKey);
         }
@@ -76,7 +77,6 @@ public class InitialSetup {
             GeneralUtils.saveKeyToConfig("legal.termsAndConditions", defaultTermsUrl, false);
             applicationProperties.getLegal().setTermsAndConditions(defaultTermsUrl);
         }
-
         // Initialize Privacy Policy
         String privacyUrl = applicationProperties.getLegal().getPrivacyPolicy();
         if (StringUtils.isEmpty(privacyUrl)) {
@@ -87,7 +87,6 @@ public class InitialSetup {
     }
 
     public void initSetAppVersion() throws IOException {
-
         String appVersion = "0.0.0";
         Resource resource = new ClassPathResource("version.properties");
         Properties props = new Properties();
@@ -95,7 +94,6 @@ public class InitialSetup {
             props.load(resource.getInputStream());
             appVersion = props.getProperty("version");
         } catch (Exception e) {
-
         }
         applicationProperties.getAutomaticallyGenerated().setAppVersion(appVersion);
         GeneralUtils.saveKeyToConfig("AutomaticallyGenerated.appVersion", appVersion, false);

src/main/java/stirling/software/SPDF/config/LocaleConfiguration.java

@@ -2,7 +2,6 @@ package stirling.software.SPDF.config;
 
 import java.util.Locale;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.LocaleResolver;
@@ -16,7 +15,11 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Configuration
 public class LocaleConfiguration implements WebMvcConfigurer {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public LocaleConfiguration(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
@@ -34,21 +37,17 @@ public class LocaleConfiguration implements WebMvcConfigurer {
     @Bean
     public LocaleResolver localeResolver() {
         SessionLocaleResolver slr = new SessionLocaleResolver();
-
         String appLocaleEnv = applicationProperties.getSystem().getDefaultLocale();
-        Locale defaultLocale =
+        Locale defaultLocale = // Fallback to UK locale if environment variable is not set
-                Locale.UK; // Fallback to UK locale if environment variable is not set
+                Locale.UK;
-
         if (appLocaleEnv != null && !appLocaleEnv.isEmpty()) {
             Locale tempLocale = Locale.forLanguageTag(appLocaleEnv);
             String tempLanguageTag = tempLocale.toLanguageTag();
-
             if (appLocaleEnv.equalsIgnoreCase(tempLanguageTag)) {
                 defaultLocale = tempLocale;
             } else {
                 tempLocale = Locale.forLanguageTag(appLocaleEnv.replace("_", "-"));
                 tempLanguageTag = tempLocale.toLanguageTag();
-
                 if (appLocaleEnv.equalsIgnoreCase(tempLanguageTag)) {
                     defaultLocale = tempLocale;
                 } else {
@@ -57,7 +56,6 @@ public class LocaleConfiguration implements WebMvcConfigurer {
                 }
             }
         }
-
         slr.setDefaultLocale(defaultLocale);
         return slr;
     }

src/main/java/stirling/software/SPDF/config/OpenApiConfig.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.config;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -15,15 +14,19 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Configuration
 public class OpenApiConfig {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public OpenApiConfig(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @Bean
     public OpenAPI customOpenAPI() {
         String version = getClass().getPackage().getImplementationVersion();
         if (version == null) {
-            version = "1.0.0"; // default version if all else fails
+            // default version if all else fails
+            version = "1.0.0";
         }
-
         SecurityScheme apiKeyScheme =
                 new SecurityScheme()
                         .type(SecurityScheme.Type.APIKEY)

src/main/java/stirling/software/SPDF/config/WebMvcConfig.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.config;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
@@ -9,7 +8,11 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 @Configuration
 public class WebMvcConfig implements WebMvcConfigurer {
 
-    @Autowired private EndpointInterceptor endpointInterceptor;
+    private final EndpointInterceptor endpointInterceptor;
+
+    public WebMvcConfig(EndpointInterceptor endpointInterceptor) {
+        this.endpointInterceptor = endpointInterceptor;
+    }
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {

src/main/java/stirling/software/SPDF/config/interfaces/DatabaseBackupInterface.java

@@ -6,6 +6,7 @@ import java.util.List;
 import stirling.software.SPDF.utils.FileInfo;
 
 public interface DatabaseBackupInterface {
+
     void exportDatabase() throws IOException;
 
     boolean importDatabase();

src/main/java/stirling/software/SPDF/config/security/AppUpdateAuthService.java

@@ -2,7 +2,6 @@ package stirling.software.SPDF.config.security;
 
 import java.util.Optional;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Service;
@@ -15,8 +14,15 @@ import stirling.software.SPDF.repository.UserRepository;
 @Service
 class AppUpdateAuthService implements ShowAdminInterface {
 
-    @Autowired private UserRepository userRepository;
+    private final UserRepository userRepository;
-    @Autowired private ApplicationProperties applicationProperties;
+
+    private final ApplicationProperties applicationProperties;
+
+    public AppUpdateAuthService(
+            UserRepository userRepository, ApplicationProperties applicationProperties) {
+        this.userRepository = userRepository;
+        this.applicationProperties = applicationProperties;
+    }
 
     @Override
     public boolean getShowUpdateOnlyAdmins() {
@@ -24,24 +30,18 @@ class AppUpdateAuthService implements ShowAdminInterface {
         if (!showUpdate) {
             return showUpdate;
         }
-
         boolean showUpdateOnlyAdmin = applicationProperties.getSystem().getShowUpdateOnlyAdmin();
-
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
-
         if (authentication == null || !authentication.isAuthenticated()) {
             return !showUpdateOnlyAdmin;
         }
-
         if (authentication.getName().equalsIgnoreCase("anonymousUser")) {
             return !showUpdateOnlyAdmin;
         }
-
         Optional<User> user = userRepository.findByUsername(authentication.getName());
         if (user.isPresent() && showUpdateOnlyAdmin) {
             return "ROLE_ADMIN".equals(user.get().getRolesAsString());
         }
-
         return showUpdate;
     }
 }

src/main/java/stirling/software/SPDF/config/security/CustomLogoutSuccessHandler.java

@@ -219,9 +219,9 @@ public class CustomLogoutSuccessHandler extends SimpleUrlLogoutSuccessHandler {
                 // "https://accounts.google.com/Logout?continue=https://appengine.google.com/_ah/logout?continue="
                 //                 + response.encodeRedirectURL(redirect_url);
                 log.info("Google does not have a specific logout URL");
-                // log.info("Redirecting to Google logout URL: " + googleLogoutUrl);
+            // log.info("Redirecting to Google logout URL: " + googleLogoutUrl);
-                // response.sendRedirect(googleLogoutUrl);
+            // response.sendRedirect(googleLogoutUrl);
-                // break;
+            // break;
             default:
                 String defaultRedirectUrl = request.getContextPath() + "/login?" + param;
                 log.info("Redirecting to default logout URL: " + defaultRedirectUrl);

src/main/java/stirling/software/SPDF/config/security/CustomUserDetailsService.java

@@ -4,7 +4,6 @@ import java.util.Collection;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.authentication.LockedException;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
@@ -20,9 +19,15 @@ import stirling.software.SPDF.repository.UserRepository;
 @Service
 public class CustomUserDetailsService implements UserDetailsService {
 
-    @Autowired private UserRepository userRepository;
+    private final UserRepository userRepository;
 
-    @Autowired private LoginAttemptService loginAttemptService;
+    private final LoginAttemptService loginAttemptService;
+
+    public CustomUserDetailsService(
+            UserRepository userRepository, LoginAttemptService loginAttemptService) {
+        this.userRepository = userRepository;
+        this.loginAttemptService = loginAttemptService;
+    }
 
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
@@ -33,16 +38,13 @@ public class CustomUserDetailsService implements UserDetailsService {
                                 () ->
                                         new UsernameNotFoundException(
                                                 "No user found with username: " + username));
-
         if (loginAttemptService.isBlocked(username)) {
             throw new LockedException(
                     "Your account has been locked due to too many failed login attempts.");
         }
-
         if (!user.hasPassword()) {
             throw new IllegalArgumentException("Password must not be null");
         }
-
         return new org.springframework.security.core.userdetails.User(
                 user.getUsername(),
                 user.getPassword(),

src/main/java/stirling/software/SPDF/config/security/FirstLoginFilter.java

@@ -5,7 +5,6 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Optional;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
@@ -25,7 +24,11 @@ import stirling.software.SPDF.utils.RequestUriUtils;
 @Component
 public class FirstLoginFilter extends OncePerRequestFilter {
 
-    @Autowired @Lazy private UserService userService;
+    @Lazy private final UserService userService;
+
+    public FirstLoginFilter(@Lazy UserService userService) {
+        this.userService = userService;
+    }
 
     @Override
     protected void doFilterInternal(
@@ -34,16 +37,13 @@ public class FirstLoginFilter extends OncePerRequestFilter {
         String method = request.getMethod();
         String requestURI = request.getRequestURI();
         String contextPath = request.getContextPath();
-
         // Check if the request is for static resources
         boolean isStaticResource = RequestUriUtils.isStaticResource(contextPath, requestURI);
-
         // If it's a static resource, just continue the filter chain and skip the logic below
         if (isStaticResource) {
             filterChain.doFilter(request, response);
             return;
         }
-
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
         if (authentication != null && authentication.isAuthenticated()) {
             Optional<User> user = userService.findByUsernameIgnoreCase(authentication.getName());
@@ -55,12 +55,10 @@ public class FirstLoginFilter extends OncePerRequestFilter {
                 return;
             }
         }
-
         if (log.isDebugEnabled()) {
             HttpSession session = request.getSession(true);
             SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss");
             String creationTime = timeFormat.format(new Date(session.getCreationTime()));
-
             log.debug(
                     "Request Info - New: {}, creationTimeSession {}, ID:  {}, IP: {}, User-Agent: {}, Referer: {}, Request URL: {}",
                     session.isNew(),

src/main/java/stirling/software/SPDF/config/security/IPRateLimitingFilter.java

@@ -4,11 +4,7 @@ import java.io.IOException;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import jakarta.servlet.Filter;
+import jakarta.servlet.*;
-import jakarta.servlet.FilterChain;
-import jakarta.servlet.ServletException;
-import jakarta.servlet.ServletRequest;
-import jakarta.servlet.ServletResponse;
 import jakarta.servlet.http.HttpServletRequest;
 import stirling.software.SPDF.utils.RequestUriUtils;
 

src/main/java/stirling/software/SPDF/config/security/InitialSecuritySetup.java

@@ -3,7 +3,6 @@ package stirling.software.SPDF.config.security;
 import java.io.IOException;
 import java.util.UUID;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import jakarta.annotation.PostConstruct;
@@ -16,11 +15,20 @@ import stirling.software.SPDF.model.Role;
 @Slf4j
 public class InitialSecuritySetup {
 
-    @Autowired private UserService userService;
+    private final UserService userService;
 
-    @Autowired private ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
-    @Autowired private DatabaseBackupInterface databaseBackupHelper;
+    private final DatabaseBackupInterface databaseBackupHelper;
+
+    public InitialSecuritySetup(
+            UserService userService,
+            ApplicationProperties applicationProperties,
+            DatabaseBackupInterface databaseBackupHelper) {
+        this.userService = userService;
+        this.applicationProperties = applicationProperties;
+        this.databaseBackupHelper = databaseBackupHelper;
+    }
 
     @PostConstruct
     public void init() throws IllegalArgumentException, IOException {

src/main/java/stirling/software/SPDF/config/security/LoginAttemptService.java

@@ -3,7 +3,6 @@ package stirling.software.SPDF.config.security;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import jakarta.annotation.PostConstruct;
@@ -15,13 +14,20 @@ import stirling.software.SPDF.model.AttemptCounter;
 @Slf4j
 public class LoginAttemptService {
 
-    @Autowired private ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
     private int MAX_ATTEMPT;
+
     private long ATTEMPT_INCREMENT_TIME;
+
     private ConcurrentHashMap<String, AttemptCounter> attemptsCache;
+
     private boolean isBlockedEnabled = true;
 
+    public LoginAttemptService(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
+
     @PostConstruct
     public void init() {
         MAX_ATTEMPT = applicationProperties.getSecurity().getLoginAttemptCount();
@@ -46,7 +52,6 @@ public class LoginAttemptService {
         if (!isBlockedEnabled || key == null || key.trim().isEmpty()) {
             return;
         }
-
         AttemptCounter attemptCounter = attemptsCache.get(key.toLowerCase());
         if (attemptCounter == null) {
             attemptCounter = new AttemptCounter();
@@ -67,20 +72,18 @@ public class LoginAttemptService {
         if (attemptCounter == null) {
             return false;
         }
-
         return attemptCounter.getAttemptCount() >= MAX_ATTEMPT;
     }
 
     public int getRemainingAttempts(String key) {
         if (!isBlockedEnabled || key == null || key.trim().isEmpty()) {
-            return Integer.MAX_VALUE; // Arbitrarily high number if tracking is disabled
+            // Arbitrarily high number if tracking is disabled
+            return Integer.MAX_VALUE;
         }
-
         AttemptCounter attemptCounter = attemptsCache.get(key.toLowerCase());
         if (attemptCounter == null) {
             return MAX_ATTEMPT;
         }
-
         return MAX_ATTEMPT - attemptCounter.getAttemptCount();
     }
 }

src/main/java/stirling/software/SPDF/config/security/SecurityConfiguration.java

@@ -4,7 +4,6 @@ import java.security.cert.X509Certificate;
 import java.util.*;
 
 import org.opensaml.saml.saml2.core.AuthnRequest;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
@@ -63,6 +62,7 @@ import stirling.software.SPDF.model.provider.GithubProvider;
 import stirling.software.SPDF.model.provider.GoogleProvider;
 import stirling.software.SPDF.model.provider.KeycloakProvider;
 import stirling.software.SPDF.repository.JPATokenRepositoryImpl;
+import stirling.software.SPDF.repository.PersistentLoginRepository;
 
 @Configuration
 @EnableWebSecurity
@@ -71,38 +71,64 @@ import stirling.software.SPDF.repository.JPATokenRepositoryImpl;
 @DependsOn("runningEE")
 public class SecurityConfiguration {
 
-    @Autowired private CustomUserDetailsService userDetailsService;
+    private final CustomUserDetailsService userDetailsService;
+    @Lazy private final UserService userService;
+
+    @Qualifier("loginEnabled")
+    private final boolean loginEnabledValue;
+
+    @Qualifier("runningEE")
+    private final boolean runningEE;
+
+    private final ApplicationProperties applicationProperties;
+    private final UserAuthenticationFilter userAuthenticationFilter;
+    private final LoginAttemptService loginAttemptService;
+    private final FirstLoginFilter firstLoginFilter;
+    private final SessionPersistentRegistry sessionRegistry;
+    private final PersistentLoginRepository persistentLoginRepository;
+
+    //    // Only Dev test
+    //    @Bean
+    //    public WebSecurityCustomizer webSecurityCustomizer() {
+    //        return (web) ->
+    //                web.ignoring()
+    //                        .requestMatchers(
+    //                                "/css/**", "/images/**", "/js/**", "/**.svg",
+    // "/pdfjs-legacy/**");
+    //    }
+    public SecurityConfiguration(
+            PersistentLoginRepository persistentLoginRepository,
+            CustomUserDetailsService userDetailsService,
+            @Lazy UserService userService,
+            @Qualifier("loginEnabled") boolean loginEnabledValue,
+            @Qualifier("runningEE") boolean runningEE,
+            ApplicationProperties applicationProperties,
+            UserAuthenticationFilter userAuthenticationFilter,
+            LoginAttemptService loginAttemptService,
+            FirstLoginFilter firstLoginFilter,
+            SessionPersistentRegistry sessionRegistry) {
+        this.userDetailsService = userDetailsService;
+        this.userService = userService;
+        this.loginEnabledValue = loginEnabledValue;
+        this.runningEE = runningEE;
+        this.applicationProperties = applicationProperties;
+        this.userAuthenticationFilter = userAuthenticationFilter;
+        this.loginAttemptService = loginAttemptService;
+        this.firstLoginFilter = firstLoginFilter;
+        this.sessionRegistry = sessionRegistry;
+        this.persistentLoginRepository = persistentLoginRepository;
+    }
 
     @Bean
     public PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
     }
 
-    @Autowired @Lazy private UserService userService;
-
-    @Autowired
-    @Qualifier("loginEnabled")
-    public boolean loginEnabledValue;
-
-    @Autowired
-    @Qualifier("runningEE")
-    public boolean runningEE;
-
-    @Autowired ApplicationProperties applicationProperties;
-
-    @Autowired private UserAuthenticationFilter userAuthenticationFilter;
-
-    @Autowired private LoginAttemptService loginAttemptService;
-
-    @Autowired private FirstLoginFilter firstLoginFilter;
-    @Autowired private SessionPersistentRegistry sessionRegistry;
-
     @Bean
     public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
         if (applicationProperties.getSecurity().getCsrfDisabled() || !loginEnabledValue) {
             http.csrf(csrf -> csrf.disable());
         }
-
         if (loginEnabledValue) {
             http.addFilterBefore(
                     userAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
@@ -117,13 +143,11 @@ public class SecurityConfiguration {
                                 csrf.ignoringRequestMatchers(
                                                 request -> {
                                                     String apiKey = request.getHeader("X-API-KEY");
-
                                                     // If there's no API key, don't ignore CSRF
                                                     // (return false)
                                                     if (apiKey == null || apiKey.trim().isEmpty()) {
                                                         return false;
                                                     }
-
                                                     // Validate API key using existing UserService
                                                     try {
                                                         Optional<User> user =
@@ -152,7 +176,6 @@ public class SecurityConfiguration {
                                     .maxSessionsPreventsLogin(false)
                                     .sessionRegistry(sessionRegistry)
                                     .expiredUrl("/login?logout=true"));
-
             http.authenticationProvider(daoAuthenticationProvider());
             http.requestCache(requestCache -> requestCache.requestCache(new NullRequestCache()));
             http.logout(
@@ -161,18 +184,23 @@ public class SecurityConfiguration {
                                     .logoutSuccessHandler(
                                             new CustomLogoutSuccessHandler(applicationProperties))
                                     .clearAuthentication(true)
-                                    .invalidateHttpSession(true) // Invalidate session
+                                    .invalidateHttpSession( // Invalidate session
+                                            true)
                                     .deleteCookies("JSESSIONID", "remember-me"));
             http.rememberMe(
-                    rememberMeConfigurer ->
+                    rememberMeConfigurer -> // Use the configurator directly
-                            rememberMeConfigurer // Use the configurator directly
+                    rememberMeConfigurer
                                     .tokenRepository(persistentTokenRepository())
-                                    .tokenValiditySeconds(14 * 24 * 60 * 60) // 14 days
+                                    .tokenValiditySeconds( // 14 days
-                                    .userDetailsService(
+                                            14 * 24 * 60 * 60)
-                                            userDetailsService) // Your existing UserDetailsService
+                                    .userDetailsService( // Your existing UserDetailsService
-                                    .useSecureCookie(true) // Enable secure cookie
+                                            userDetailsService)
-                                    .rememberMeParameter("remember-me") // Form parameter name
+                                    .useSecureCookie( // Enable secure cookie
-                                    .rememberMeCookieName("remember-me") // Cookie name
+                                            true)
+                                    .rememberMeParameter( // Form parameter name
+                                            "remember-me")
+                                    .rememberMeCookieName( // Cookie name
+                                            "remember-me")
                                     .alwaysRemember(false));
             http.authorizeHttpRequests(
                     authz ->
@@ -180,14 +208,12 @@ public class SecurityConfiguration {
                                             req -> {
                                                 String uri = req.getRequestURI();
                                                 String contextPath = req.getContextPath();
-
                                                 // Remove the context path from the URI
                                                 String trimmedUri =
                                                         uri.startsWith(contextPath)
                                                                 ? uri.substring(
                                                                         contextPath.length())
                                                                 : uri;
-
                                                 return trimmedUri.startsWith("/login")
                                                         || trimmedUri.startsWith("/oauth")
                                                         || trimmedUri.startsWith("/saml2")
@@ -205,7 +231,6 @@ public class SecurityConfiguration {
                                     .permitAll()
                                     .anyRequest()
                                     .authenticated());
-
             // Handle User/Password Logins
             if (applicationProperties.getSecurity().isUserPass()) {
                 http.formLogin(
@@ -221,27 +246,26 @@ public class SecurityConfiguration {
                                         .defaultSuccessUrl("/")
                                         .permitAll());
             }
-
             // Handle OAUTH2 Logins
             if (applicationProperties.getSecurity().isOauth2Activ()) {
-
                 http.oauth2Login(
                         oauth2 ->
                                 oauth2.loginPage("/oauth2")
+                                        .
                                         /*
                                         This Custom handler is used to check if the OAUTH2 user trying to log in, already exists in the database.
                                         If user exists, login proceeds as usual. If user does not exist, then it is autocreated but only if 'OAUTH2AutoCreateUser'
                                         is set as true, else login fails with an error message advising the same.
                                          */
-                                        .successHandler(
+                                        successHandler(
                                                 new CustomOAuth2AuthenticationSuccessHandler(
                                                         loginAttemptService,
                                                         applicationProperties,
                                                         userService))
                                         .failureHandler(
                                                 new CustomOAuth2AuthenticationFailureHandler())
-                                        // Add existing Authorities from the database
+                                        . // Add existing Authorities from the database
-                                        .userInfoEndpoint(
+                                        userInfoEndpoint(
                                                 userInfoEndpoint ->
                                                         userInfoEndpoint
                                                                 .oidcUserService(
@@ -253,15 +277,14 @@ public class SecurityConfiguration {
                                                                         userAuthoritiesMapper()))
                                         .permitAll());
             }
-
             // Handle SAML
-            if (applicationProperties.getSecurity().isSaml2Activ()) { // && runningEE
+            if (applicationProperties.getSecurity().isSaml2Activ()) {
+                // && runningEE
                 // Configure the authentication provider
                 OpenSaml4AuthenticationProvider authenticationProvider =
                         new OpenSaml4AuthenticationProvider();
                 authenticationProvider.setResponseAuthenticationConverter(
                         new CustomSaml2ResponseAuthenticationConverter(userService));
-
                 http.authenticationProvider(authenticationProvider)
                         .saml2Login(
                                 saml2 -> {
@@ -287,7 +310,6 @@ public class SecurityConfiguration {
                                     }
                                 });
             }
-
         } else {
             //            if (!applicationProperties.getSecurity().getCsrfDisabled()) {
             //                CookieCsrfTokenRepository cookieRepo =
@@ -302,7 +324,6 @@ public class SecurityConfiguration {
             //            }
             http.authorizeHttpRequests(authz -> authz.anyRequest().permitAll());
         }
-
         return http.build();
     }
 
@@ -313,17 +334,14 @@ public class SecurityConfiguration {
             matchIfMissing = false)
     public ClientRegistrationRepository clientRegistrationRepository() {
         List<ClientRegistration> registrations = new ArrayList<>();
-
         githubClientRegistration().ifPresent(registrations::add);
         oidcClientRegistration().ifPresent(registrations::add);
         googleClientRegistration().ifPresent(registrations::add);
         keycloakClientRegistration().ifPresent(registrations::add);
-
         if (registrations.isEmpty()) {
             log.error("At least one OAuth2 provider must be configured");
             System.exit(1);
         }
-
         return new InMemoryClientRegistrationRepository(registrations);
     }
 
@@ -366,7 +384,6 @@ public class SecurityConfiguration {
             return Optional.empty();
         }
         KeycloakProvider keycloak = client.getKeycloak();
-
         return keycloak != null && keycloak.isSettingsValid()
                 ? Optional.of(
                         ClientRegistrations.fromIssuerLocation(keycloak.getIssuer())
@@ -381,7 +398,6 @@ public class SecurityConfiguration {
     }
 
     private Optional<ClientRegistration> githubClientRegistration() {
-
         OAUTH2 oauth = applicationProperties.getSecurity().getOauth2();
         if (oauth == null || !oauth.getEnabled()) {
             return Optional.empty();
@@ -443,19 +459,15 @@ public class SecurityConfiguration {
             matchIfMissing = false)
     public RelyingPartyRegistrationRepository relyingPartyRegistrations() throws Exception {
         SAML2 samlConf = applicationProperties.getSecurity().getSaml2();
-
         X509Certificate idpCert = CertificateUtils.readCertificate(samlConf.getidpCert());
         Saml2X509Credential verificationCredential = Saml2X509Credential.verification(idpCert);
-
         Resource privateKeyResource = samlConf.getPrivateKey();
         Resource certificateResource = samlConf.getSpCert();
-
         Saml2X509Credential signingCredential =
                 new Saml2X509Credential(
                         CertificateUtils.readPrivateKey(privateKeyResource),
                         CertificateUtils.readCertificate(certificateResource),
                         Saml2X509CredentialType.SIGNING);
-
         RelyingPartyRegistration rp =
                 RelyingPartyRegistration.withRegistrationId(samlConf.getRegistrationId())
                         .signingX509Credentials(c -> c.add(signingCredential))
@@ -470,7 +482,6 @@ public class SecurityConfiguration {
                                                         Saml2MessageBinding.POST)
                                                 .wantAuthnRequestsSigned(true))
                         .build();
-
         return new InMemoryRelyingPartyRegistrationRepository(rp);
     }
 
@@ -486,10 +497,8 @@ public class SecurityConfiguration {
         resolver.setAuthnRequestCustomizer(
                 customizer -> {
                     log.debug("Customizing SAML Authentication request");
-
                     AuthnRequest authnRequest = customizer.getAuthnRequest();
                     log.debug("AuthnRequest ID: {}", authnRequest.getID());
-
                     if (authnRequest.getID() == null) {
                         authnRequest.setID("ARQ" + UUID.randomUUID().toString());
                     }
@@ -500,16 +509,13 @@ public class SecurityConfiguration {
                             authnRequest.getIssuer() != null
                                     ? authnRequest.getIssuer().getValue()
                                     : "null");
-
                     HttpServletRequest request = customizer.getRequest();
-
                     // Log HTTP request details
                     log.debug("HTTP Request Method: {}", request.getMethod());
                     log.debug("Request URI: {}", request.getRequestURI());
                     log.debug("Request URL: {}", request.getRequestURL().toString());
                     log.debug("Query String: {}", request.getQueryString());
                     log.debug("Remote Address: {}", request.getRemoteAddr());
-
                     // Log headers
                     Collections.list(request.getHeaderNames())
                             .forEach(
@@ -519,24 +525,20 @@ public class SecurityConfiguration {
                                                 headerName,
                                                 request.getHeader(headerName));
                                     });
-
                     // Log SAML specific parameters
                     log.debug("SAML Request Parameters:");
                     log.debug("SAMLRequest: {}", request.getParameter("SAMLRequest"));
                     log.debug("RelayState: {}", request.getParameter("RelayState"));
-
                     // Log session debugrmation if exists
                     if (request.getSession(false) != null) {
                         log.debug("Session ID: {}", request.getSession().getId());
                     }
-
                     // Log any assertions consumer service details if present
                     if (authnRequest.getAssertionConsumerServiceURL() != null) {
                         log.debug(
                                 "AssertionConsumerServiceURL: {}",
                                 authnRequest.getAssertionConsumerServiceURL());
                     }
-
                     // Log NameID policy if present
                     if (authnRequest.getNameIDPolicy() != null) {
                         log.debug(
@@ -566,12 +568,10 @@ public class SecurityConfiguration {
     GrantedAuthoritiesMapper userAuthoritiesMapper() {
         return (authorities) -> {
             Set<GrantedAuthority> mappedAuthorities = new HashSet<>();
-
             authorities.forEach(
                     authority -> {
                         // Add existing OAUTH2 Authorities
                         mappedAuthorities.add(new SimpleGrantedAuthority(authority.getAuthority()));
-
                         // Add Authorities from database for existing user, if user is present.
                         if (authority instanceof OAuth2UserAuthority oauth2Auth) {
                             String useAsUsername =
@@ -598,27 +598,18 @@ public class SecurityConfiguration {
 
     @Bean
     public IPRateLimitingFilter rateLimitingFilter() {
-        int maxRequestsPerIp = 1000000; // Example limit TODO add config level
+        // Example limit TODO add config level
+        int maxRequestsPerIp = 1000000;
         return new IPRateLimitingFilter(maxRequestsPerIp, maxRequestsPerIp);
     }
 
     @Bean
     public PersistentTokenRepository persistentTokenRepository() {
-        return new JPATokenRepositoryImpl();
+        return new JPATokenRepositoryImpl(persistentLoginRepository);
     }
 
     @Bean
     public boolean activSecurity() {
         return true;
     }
-
-    //    // Only Dev test
-    //    @Bean
-    //    public WebSecurityCustomizer webSecurityCustomizer() {
-    //        return (web) ->
-    //                web.ignoring()
-    //                        .requestMatchers(
-    //                                "/css/**", "/images/**", "/js/**", "/**.svg",
-    // "/pdfjs-legacy/**");
-    //    }
 }

src/main/java/stirling/software/SPDF/config/security/UserBasedRateLimitingFilter.java

@@ -5,14 +5,12 @@ import java.time.Duration;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.OncePerRequestFilter;
 
@@ -31,13 +29,15 @@ import stirling.software.SPDF.model.Role;
 public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
 
     private final Map<String, Bucket> apiBuckets = new ConcurrentHashMap<>();
+
     private final Map<String, Bucket> webBuckets = new ConcurrentHashMap<>();
 
-    @Autowired private UserDetailsService userDetailsService;
-
-    @Autowired
     @Qualifier("rateLimit")
-    public boolean rateLimit;
+    private final boolean rateLimit;
+
+    public UserBasedRateLimitingFilter(@Qualifier("rateLimit") boolean rateLimit) {
+        this.rateLimit = rateLimit;
+    }
 
     @Override
     protected void doFilterInternal(
@@ -48,21 +48,18 @@ public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
             filterChain.doFilter(request, response);
             return;
         }
-
         String method = request.getMethod();
         if (!"POST".equalsIgnoreCase(method)) {
             // If the request is not a POST, just pass it through without rate limiting
             filterChain.doFilter(request, response);
             return;
         }
-
         String identifier = null;
-
         // Check for API key in the request headers
         String apiKey = request.getHeader("X-API-KEY");
         if (apiKey != null && !apiKey.trim().isEmpty()) {
-            identifier =
+            identifier = // Prefix to distinguish between API keys and usernames
-                    "API_KEY_" + apiKey; // Prefix to distinguish between API keys and usernames
+                    "API_KEY_" + apiKey;
         } else {
             Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
             if (authentication != null && authentication.isAuthenticated()) {
@@ -70,15 +67,12 @@ public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
                 identifier = userDetails.getUsername();
             }
         }
-
         // If neither API key nor an authenticated user is present, use IP address
         if (identifier == null) {
             identifier = request.getRemoteAddr();
         }
-
         Role userRole =
                 getRoleFromAuthentication(SecurityContextHolder.getContext().getAuthentication());
-
         if (request.getHeader("X-API-KEY") != null) {
             // It's an API call
             processRequest(
@@ -123,7 +117,6 @@ public class UserBasedRateLimitingFilter extends OncePerRequestFilter {
             throws IOException, ServletException {
         Bucket userBucket = buckets.computeIfAbsent(identifier, k -> createUserBucket(limitPerDay));
         ConsumptionProbe probe = userBucket.tryConsumeAndReturnRemaining(1);
-
         if (probe.isConsumed()) {
             response.setHeader(
                     "X-Rate-Limit-Remaining",

src/main/java/stirling/software/SPDF/config/security/UserService.java

@@ -4,7 +4,6 @@ import java.io.IOException;
 import java.util.*;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.MessageSource;
 import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -25,11 +24,7 @@ import stirling.software.SPDF.config.interfaces.DatabaseBackupInterface;
 import stirling.software.SPDF.config.security.saml2.CustomSaml2AuthenticatedPrincipal;
 import stirling.software.SPDF.config.security.session.SessionPersistentRegistry;
 import stirling.software.SPDF.controller.api.pipeline.UserServiceInterface;
-import stirling.software.SPDF.model.ApplicationProperties;
+import stirling.software.SPDF.model.*;
-import stirling.software.SPDF.model.AuthenticationType;
-import stirling.software.SPDF.model.Authority;
-import stirling.software.SPDF.model.Role;
-import stirling.software.SPDF.model.User;
 import stirling.software.SPDF.repository.AuthorityRepository;
 import stirling.software.SPDF.repository.UserRepository;
 
@@ -37,19 +32,36 @@ import stirling.software.SPDF.repository.UserRepository;
 @Slf4j
 public class UserService implements UserServiceInterface {
 
-    @Autowired private UserRepository userRepository;
+    private final UserRepository userRepository;
 
-    @Autowired private AuthorityRepository authorityRepository;
+    private final AuthorityRepository authorityRepository;
 
-    @Autowired private PasswordEncoder passwordEncoder;
+    private final PasswordEncoder passwordEncoder;
 
-    @Autowired private MessageSource messageSource;
+    private final MessageSource messageSource;
 
-    @Autowired private SessionPersistentRegistry sessionRegistry;
+    private final SessionPersistentRegistry sessionRegistry;
 
-    @Autowired DatabaseBackupInterface databaseBackupHelper;
+    private final DatabaseBackupInterface databaseBackupHelper;
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public UserService(
+            UserRepository userRepository,
+            AuthorityRepository authorityRepository,
+            PasswordEncoder passwordEncoder,
+            MessageSource messageSource,
+            SessionPersistentRegistry sessionRegistry,
+            DatabaseBackupInterface databaseBackupHelper,
+            ApplicationProperties applicationProperties) {
+        this.userRepository = userRepository;
+        this.authorityRepository = authorityRepository;
+        this.passwordEncoder = passwordEncoder;
+        this.messageSource = messageSource;
+        this.sessionRegistry = sessionRegistry;
+        this.databaseBackupHelper = databaseBackupHelper;
+        this.applicationProperties = applicationProperties;
+    }
 
     @Transactional
     public void migrateOauth2ToSSO() {
@@ -84,13 +96,11 @@ public class UserService implements UserServiceInterface {
         if (!user.isPresent()) {
             throw new UsernameNotFoundException("API key is not valid");
         }
-
         // Convert the user into an Authentication object
-        return new UsernamePasswordAuthenticationToken(
+        return new UsernamePasswordAuthenticationToken( // principal (typically the user)
-                user, // principal (typically the user)
+                user, // credentials (we don't expose the password or API key here)
-                null, // credentials (we don't expose the password or API key here)
+                null, // user's authorities (roles/permissions)
-                getAuthorities(user.get()) // user's authorities (roles/permissions)
+                getAuthorities(user.get()));
-                );
     }
 
     private Collection<? extends GrantedAuthority> getAuthorities(User user) {
@@ -104,7 +114,8 @@ public class UserService implements UserServiceInterface {
         String apiKey;
         do {
             apiKey = UUID.randomUUID().toString();
-        } while (userRepository.findByApiKey(apiKey).isPresent()); // Ensure uniqueness
+        } while ( // Ensure uniqueness
+        userRepository.findByApiKey(apiKey).isPresent());
         return apiKey;
     }
 
@@ -118,7 +129,8 @@ public class UserService implements UserServiceInterface {
     }
 
     public User refreshApiKeyForUser(String username) {
-        return addApiKeyToUser(username); // reuse the add API key method for refreshing
+        // reuse the add API key method for refreshing
+        return addApiKeyToUser(username);
     }
 
     public String getApiKeyForUser(String username) {
@@ -138,11 +150,11 @@ public class UserService implements UserServiceInterface {
 
     public Optional<User> loadUserByApiKey(String apiKey) {
         Optional<User> user = userRepository.findByApiKey(apiKey);
-
         if (user.isPresent()) {
             return user;
         }
-        return null; // or throw an exception
+        // or throw an exception
+        return null;
     }
 
     public boolean validateApiKeyForUser(String username, String apiKey) {
@@ -240,14 +252,12 @@ public class UserService implements UserServiceInterface {
         if (userOpt.isPresent()) {
             User user = userOpt.get();
             Map<String, String> settingsMap = user.getSettings();
-
             if (settingsMap == null) {
                 settingsMap = new HashMap<>();
             }
             settingsMap.clear();
             settingsMap.putAll(updates);
             user.setSettings(settingsMap);
-
             userRepository.save(user);
             databaseBackupHelper.exportDatabase();
         }
@@ -316,12 +326,9 @@ public class UserService implements UserServiceInterface {
         boolean isValidEmail =
                 username.matches(
                         "^(?=.{1,64}@)[A-Za-z0-9]+(\\.[A-Za-z0-9_+.-]+)*@[^-][A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*(\\.[A-Za-z]{2,})$");
-
         List<String> notAllowedUserList = new ArrayList<>();
         notAllowedUserList.add("ALL_USERS".toLowerCase());
-
         boolean notAllowedUser = notAllowedUserList.contains(username.toLowerCase());
-
         return (isValidSimpleUsername || isValidEmail) && !notAllowedUser;
     }
 
@@ -374,7 +381,6 @@ public class UserService implements UserServiceInterface {
 
     public String getCurrentUsername() {
         Object principal = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
-
         if (principal instanceof UserDetails) {
             return ((UserDetails) principal).getUsername();
         } else if (principal instanceof OAuth2User) {
@@ -397,7 +403,6 @@ public class UserService implements UserServiceInterface {
         }
         String username = "CUSTOM_API_USER";
         Optional<User> existingUser = findByUsernameIgnoreCase(username);
-
         if (!existingUser.isPresent()) {
             // Create new user with API role
             User user = new User();

src/main/java/stirling/software/SPDF/config/security/database/DatabaseBackupHelper.java

@@ -6,12 +6,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.attribute.BasicFileAttributes;
-import java.sql.Connection;
+import java.sql.*;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;

src/main/java/stirling/software/SPDF/config/security/database/ScheduledTasks.java

@@ -2,14 +2,17 @@ package stirling.software.SPDF.config.security.database;
 
 import java.io.IOException;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
 @Component
 public class ScheduledTasks {
 
-    @Autowired private DatabaseBackupHelper databaseBackupService;
+    private final DatabaseBackupHelper databaseBackupService;
+
+    public ScheduledTasks(DatabaseBackupHelper databaseBackupService) {
+        this.databaseBackupService = databaseBackupService;
+    }
 
     @Scheduled(cron = "0 0 0 * * ?")
     public void performBackup() throws IOException {

src/main/java/stirling/software/SPDF/config/security/oauth2/CustomOAuth2UserService.java

@@ -2,8 +2,6 @@ package stirling.software.SPDF.config.security.oauth2;
 
 import java.util.Optional;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.security.authentication.LockedException;
 import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserRequest;
 import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserService;
@@ -13,6 +11,7 @@ import org.springframework.security.oauth2.core.OAuth2Error;
 import org.springframework.security.oauth2.core.oidc.user.DefaultOidcUser;
 import org.springframework.security.oauth2.core.oidc.user.OidcUser;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.config.security.LoginAttemptService;
 import stirling.software.SPDF.config.security.UserService;
 import stirling.software.SPDF.model.ApplicationProperties;
@@ -20,6 +19,7 @@ import stirling.software.SPDF.model.ApplicationProperties.Security.OAUTH2;
 import stirling.software.SPDF.model.ApplicationProperties.Security.OAUTH2.Client;
 import stirling.software.SPDF.model.User;
 
+@Slf4j
 public class CustomOAuth2UserService implements OAuth2UserService<OidcUserRequest, OidcUser> {
 
     private final OidcUserService delegate = new OidcUserService();
@@ -30,8 +30,6 @@ public class CustomOAuth2UserService implements OAuth2UserService<OidcUserReques
 
     private ApplicationProperties applicationProperties;
 
-    private static final Logger logger = LoggerFactory.getLogger(CustomOAuth2UserService.class);
-
     public CustomOAuth2UserService(
             ApplicationProperties applicationProperties,
             UserService userService,
@@ -82,10 +80,10 @@ public class CustomOAuth2UserService implements OAuth2UserService<OidcUserReques
                     user.getUserInfo(),
                     usernameAttribute);
         } catch (IllegalArgumentException e) {
-            logger.error("Error loading OIDC user: {}", e.getMessage());
+            log.error("Error loading OIDC user: {}", e.getMessage());
             throw new OAuth2AuthenticationException(new OAuth2Error(e.getMessage()), e);
         } catch (Exception e) {
-            logger.error("Unexpected error loading OIDC user", e);
+            log.error("Unexpected error loading OIDC user", e);
             throw new OAuth2AuthenticationException("Unexpected error during authentication");
         }
     }

src/main/java/stirling/software/SPDF/config/security/session/SessionPersistentRegistry.java

@@ -1,12 +1,7 @@
 package stirling.software.SPDF.config.security.session;
 
 import java.time.Duration;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.List;
-import java.util.Optional;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.session.SessionInformation;

src/main/java/stirling/software/SPDF/config/security/session/SessionScheduled.java

@@ -5,19 +5,22 @@ import java.time.temporal.ChronoUnit;
 import java.util.Date;
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.security.core.session.SessionInformation;
 import org.springframework.stereotype.Component;
 
 @Component
 public class SessionScheduled {
-    @Autowired private SessionPersistentRegistry sessionPersistentRegistry;
+
+    private final SessionPersistentRegistry sessionPersistentRegistry;
+
+    public SessionScheduled(SessionPersistentRegistry sessionPersistentRegistry) {
+        this.sessionPersistentRegistry = sessionPersistentRegistry;
+    }
 
     @Scheduled(cron = "0 0/5 * * * ?")
     public void expireSessions() {
         Instant now = Instant.now();
-
         for (Object principal : sessionPersistentRegistry.getAllPrincipals()) {
             List<SessionInformation> sessionInformations =
                     sessionPersistentRegistry.getAllSessions(principal, false);

src/main/java/stirling/software/SPDF/controller/api/AdditionalLanguageJsController.java

@@ -4,7 +4,6 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -18,35 +17,35 @@ import stirling.software.SPDF.service.LanguageService;
 @RequestMapping("/js")
 public class AdditionalLanguageJsController {
 
-    @Autowired private LanguageService languageService;
+    private final LanguageService languageService;
+
+    public AdditionalLanguageJsController(LanguageService languageService) {
+        this.languageService = languageService;
+    }
 
     @Hidden
     @GetMapping(value = "/additionalLanguageCode.js", produces = "application/javascript")
     public void generateAdditionalLanguageJs(HttpServletResponse response) throws IOException {
         List<String> supportedLanguages = languageService.getSupportedLanguages();
-
         response.setContentType("application/javascript");
         PrintWriter writer = response.getWriter();
-
         // Erstelle das JavaScript dynamisch
         writer.println("const supportedLanguages = " + toJsonArray(supportedLanguages) + ";");
-
         // Generiere die `getDetailedLanguageCode`-Funktion
         writer.println(
                 """
-                function getDetailedLanguageCode() {
+                        function getDetailedLanguageCode() {
-                    const userLanguages = navigator.languages ? navigator.languages : [navigator.language];
+                            const userLanguages = navigator.languages ? navigator.languages : [navigator.language];
-                    for (let lang of userLanguages) {
+                            for (let lang of userLanguages) {
-                        let matchedLang = supportedLanguages.find(supportedLang => supportedLang.startsWith(lang.replace('-', '_')));
+                                let matchedLang = supportedLanguages.find(supportedLang => supportedLang.startsWith(lang.replace('-', '_')));
-                        if (matchedLang) {
+                                if (matchedLang) {
-                            return matchedLang;
+                                    return matchedLang;
+                                }
+                            }
+                            // Fallback
+                            return "en_GB";
                         }
-                    }
+                        """);
-                    // Fallback
-                    return "en_GB";
-                }
-                """);
-
         writer.flush();
     }
 

src/main/java/stirling/software/SPDF/controller/api/CropController.java

@@ -11,8 +11,6 @@ import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.PDPageContentStream.AppendMode;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -33,8 +31,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class CropController {
 
-    private static final Logger logger = LoggerFactory.getLogger(CropController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     private final PostHogService postHogService;

src/main/java/stirling/software/SPDF/controller/api/DatabaseController.java

@@ -8,23 +8,19 @@ import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
 
 import org.eclipse.jetty.http.HttpStatus;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.InputStreamResource;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import lombok.extern.slf4j.Slf4j;
@@ -34,19 +30,25 @@ import stirling.software.SPDF.config.security.database.DatabaseBackupHelper;
 @Controller
 @RequestMapping("/api/v1/database")
 @PreAuthorize("hasRole('ROLE_ADMIN')")
-@Tag(name = "Database", description = "Database APIs")
+@Tag(name = "Database", description = "Database APIs for backup, import, and management")
 public class DatabaseController {
 
-    @Autowired DatabaseBackupHelper databaseBackupHelper;
+    private final DatabaseBackupHelper databaseBackupHelper;
+
+    public DatabaseController(DatabaseBackupHelper databaseBackupHelper) {
+        this.databaseBackupHelper = databaseBackupHelper;
+    }
 
-    @Hidden
-    @PostMapping(consumes = "multipart/form-data", value = "import-database")
     @Operation(
-            summary = "Import database backup",
+            summary = "Import a database backup file",
-            description = "This endpoint imports a database backup from a SQL file.")
+            description = "Uploads and imports a database backup SQL file.")
+    @PostMapping(consumes = "multipart/form-data", value = "import-database")
     public String importDatabase(
-            @RequestParam("fileInput") MultipartFile file, RedirectAttributes redirectAttributes)
+            @Parameter(description = "SQL file to import", required = true)
-            throws IllegalArgumentException, IOException {
+                    @RequestParam("fileInput")
+                    MultipartFile file,
+            RedirectAttributes redirectAttributes)
+            throws IOException {
         if (file == null || file.isEmpty()) {
             redirectAttributes.addAttribute("error", "fileNullOrEmpty");
             return "redirect:/database";
@@ -69,13 +71,17 @@ public class DatabaseController {
     }
 
     @Hidden
+    @Operation(
+            summary = "Import database backup by filename",
+            description = "Imports a database backup file from the server using its file name.")
     @GetMapping("/import-database-file/{fileName}")
-    public String importDatabaseFromBackupUI(@PathVariable String fileName)
+    public String importDatabaseFromBackupUI(
-            throws IllegalArgumentException, IOException {
+            @Parameter(description = "Name of the file to import", required = true) @PathVariable
+                    String fileName)
+            throws IOException {
         if (fileName == null || fileName.isEmpty()) {
             return "redirect:/database?error=fileNullOrEmpty";
         }
-
         // Check if the file exists in the backup list
         boolean fileExists =
                 databaseBackupHelper.getBackupList().stream()
@@ -93,12 +99,13 @@ public class DatabaseController {
     }
 
     @Hidden
-    @GetMapping("/delete/{fileName}")
     @Operation(
             summary = "Delete a database backup file",
-            description =
+            description = "Deletes a specified database backup file from the server.")
-                    "This endpoint deletes a database backup file with the specified file name.")
+    @GetMapping("/delete/{fileName}")
-    public String deleteFile(@PathVariable String fileName) {
+    public String deleteFile(
+            @Parameter(description = "Name of the file to delete", required = true) @PathVariable
+                    String fileName) {
         if (fileName == null || fileName.isEmpty()) {
             throw new IllegalArgumentException("File must not be null or empty");
         }
@@ -117,12 +124,13 @@ public class DatabaseController {
     }
 
     @Hidden
-    @GetMapping("/download/{fileName}")
     @Operation(
             summary = "Download a database backup file",
-            description =
+            description = "Downloads the specified database backup file from the server.")
-                    "This endpoint downloads a database backup file with the specified file name.")
+    @GetMapping("/download/{fileName}")
-    public ResponseEntity<?> downloadFile(@PathVariable String fileName) {
+    public ResponseEntity<?> downloadFile(
+            @Parameter(description = "Name of the file to download", required = true) @PathVariable
+                    String fileName) {
         if (fileName == null || fileName.isEmpty()) {
             throw new IllegalArgumentException("File must not be null or empty");
         }
@@ -141,4 +149,22 @@ public class DatabaseController {
                     .build();
         }
     }
+
+    @Operation(
+            summary = "Create a database backup",
+            description =
+                    "This endpoint triggers the creation of a database backup and redirects to the"
+                            + " database management page.")
+    @GetMapping("/createDatabaseBackup")
+    public String createDatabaseBackup() {
+        try {
+            log.info("Starting database backup creation...");
+            databaseBackupHelper.exportDatabase();
+            log.info("Database backup successfully created.");
+        } catch (IOException e) {
+            log.error("Error creating database backup: {}", e.getMessage(), e);
+            return "redirect:/database?error=" + e.getMessage();
+        }
+        return "redirect:/database?infoMessage=backupCreated";
+    }
 }

src/main/java/stirling/software/SPDF/controller/api/MergeController.java

@@ -20,8 +20,6 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
 import org.apache.pdfbox.pdmodel.interactive.form.PDField;
 import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -33,18 +31,18 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.general.MergePdfsRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Slf4j
 @RequestMapping("/api/v1/general")
 @Tag(name = "General", description = "General APIs")
 public class MergeController {
 
-    private static final Logger logger = LoggerFactory.getLogger(MergeController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -184,7 +182,7 @@ public class MergeController {
                     baos.toByteArray(), mergedFileName); // Return the modified PDF
 
         } catch (Exception ex) {
-            logger.error("Error in merge pdf process", ex);
+            log.error("Error in merge pdf process", ex);
             throw ex;
         } finally {
             for (File file : filesToDelete) {

src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java

@@ -1,6 +1,6 @@
 package stirling.software.SPDF.controller.api;
 
-import java.awt.Color;
+import java.awt.*;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
@@ -12,8 +12,6 @@ import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
 import org.apache.pdfbox.util.Matrix;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -35,8 +33,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class MultiPageLayoutController {
 
-    private static final Logger logger = LoggerFactory.getLogger(MultiPageLayoutController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/PdfImageRemovalController.java

@@ -6,7 +6,10 @@ import java.io.IOException;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;

src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java

@@ -8,8 +8,6 @@ import java.util.List;
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -22,6 +20,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.SortTypes;
 import stirling.software.SPDF.model.api.PDFWithPageNums;
 import stirling.software.SPDF.model.api.general.RearrangePagesRequest;
@@ -31,11 +30,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/general")
+@Slf4j
 @Tag(name = "General", description = "General APIs")
 public class RearrangePagesPDFController {
 
-    private static final Logger logger = LoggerFactory.getLogger(RearrangePagesPDFController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -202,7 +200,7 @@ public class RearrangePagesPDFController {
                     throw new IllegalArgumentException("Unsupported custom mode");
             }
         } catch (IllegalArgumentException e) {
-            logger.error("Unsupported custom mode", e);
+            log.error("Unsupported custom mode", e);
             return null;
         }
     }
@@ -230,8 +228,8 @@ public class RearrangePagesPDFController {
             } else {
                 newPageOrder = GeneralUtils.parsePageList(pageOrderArr, totalPages, false);
             }
-            logger.info("newPageOrder = " + newPageOrder);
+            log.info("newPageOrder = " + newPageOrder);
-            logger.info("totalPages = " + totalPages);
+            log.info("totalPages = " + totalPages);
             // Create a new list to hold the pages in the new order
             List<PDPage> newPages = new ArrayList<>();
             for (int i = 0; i < newPageOrder.size(); i++) {
@@ -254,7 +252,7 @@ public class RearrangePagesPDFController {
                                     .replaceFirst("[.][^.]+$", "")
                             + "_rearranged.pdf");
         } catch (IOException e) {
-            logger.error("Failed rearranging documents", e);
+            log.error("Failed rearranging documents", e);
             return null;
         }
     }

src/main/java/stirling/software/SPDF/controller/api/RotationController.java

@@ -5,8 +5,6 @@ import java.io.IOException;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageTree;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -28,8 +26,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class RotationController {
 
-    private static final Logger logger = LoggerFactory.getLogger(RotationController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java

@@ -13,8 +13,6 @@ import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
 import org.apache.pdfbox.util.Matrix;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -36,8 +34,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class ScalePagesController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ScalePagesController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/SettingsController.java

@@ -2,11 +2,12 @@ package stirling.software.SPDF.controller.api;
 
 import java.io.IOException;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
 
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -20,7 +21,11 @@ import stirling.software.SPDF.utils.GeneralUtils;
 @Hidden
 public class SettingsController {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public SettingsController(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @PostMapping("/update-enable-analytics")
     @Hidden
@@ -32,7 +37,6 @@ public class SettingsController {
         }
         GeneralUtils.saveKeyToConfig("system.enableAnalytics", String.valueOf(enabled), false);
         applicationProperties.getSystem().setEnableAnalytics(String.valueOf(enabled));
-
         return ResponseEntity.ok("Updated");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java

@@ -13,8 +13,6 @@ import java.util.zip.ZipOutputStream;
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -28,16 +26,17 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.PDFWithPageNums;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/general")
+@Slf4j
 @Tag(name = "General", description = "General APIs")
 public class SplitPDFController {
 
-    private static final Logger logger = LoggerFactory.getLogger(SplitPDFController.class);
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -73,7 +72,7 @@ public class SplitPDFController {
                 pageNumbers.add(totalPages - 1);
             }
 
-            logger.info(
+            log.info(
                     "Splitting PDF into pages: {}",
                     pageNumbers.stream().map(String::valueOf).collect(Collectors.joining(",")));
 
@@ -86,7 +85,7 @@ public class SplitPDFController {
                     for (int i = previousPageNumber; i <= splitPoint; i++) {
                         PDPage page = document.getPage(i);
                         splitDocument.addPage(page);
-                        logger.info("Adding page {} to split document", i);
+                        log.info("Adding page {} to split document", i);
                     }
                     previousPageNumber = splitPoint + 1;
 
@@ -98,7 +97,7 @@ public class SplitPDFController {
 
                     splitDocumentsBoas.add(baos);
                 } catch (Exception e) {
-                    logger.error("Failed splitting documents and saving them", e);
+                    log.error("Failed splitting documents and saving them", e);
                     throw e;
                 }
             }
@@ -124,15 +123,14 @@ public class SplitPDFController {
                     zipOut.write(pdf);
                     zipOut.closeEntry();
 
-                    logger.info("Wrote split document {} to zip file", fileName);
+                    log.info("Wrote split document {} to zip file", fileName);
                 }
             } catch (Exception e) {
-                logger.error("Failed writing to zip", e);
+                log.error("Failed writing to zip", e);
                 throw e;
             }
 
-            logger.info(
+            log.info("Successfully created zip file with split documents: {}", zipFile.toString());
-                    "Successfully created zip file with split documents: {}", zipFile.toString());
             byte[] data = Files.readAllBytes(zipFile);
             Files.deleteIfExists(zipFile);
 
@@ -159,7 +157,7 @@ public class SplitPDFController {
                     Files.deleteIfExists(zipFile);
                 }
             } catch (Exception e) {
-                logger.error("Error while cleaning up resources", e);
+                log.error("Error while cleaning up resources", e);
             }
         }
     }

src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java

@@ -13,8 +13,6 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDDocumentOutline;
 import org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -32,6 +30,7 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.PdfMetadata;
 import stirling.software.SPDF.model.api.SplitPdfByChaptersRequest;
 import stirling.software.SPDF.service.PdfMetadataService;
@@ -39,12 +38,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/general")
+@Slf4j
 @Tag(name = "General", description = "General APIs")
 public class SplitPdfByChaptersController {
 
-    private static final Logger logger =
-            LoggerFactory.getLogger(SplitPdfByChaptersController.class);
-
     private final PdfMetadataService pdfMetadataService;
 
     @Autowired
@@ -52,120 +49,6 @@ public class SplitPdfByChaptersController {
         this.pdfMetadataService = pdfMetadataService;
     }
 
-    @PostMapping(value = "/split-pdf-by-chapters", consumes = "multipart/form-data")
-    @Operation(
-            summary = "Split PDFs by Chapters",
-            description = "Splits a PDF into chapters and returns a ZIP file.")
-    public ResponseEntity<byte[]> splitPdf(@ModelAttribute SplitPdfByChaptersRequest request)
-            throws Exception {
-        MultipartFile file = request.getFileInput();
-        PDDocument sourceDocument = null;
-        Path zipFile = null;
-
-        try {
-            boolean includeMetadata = request.getIncludeMetadata();
-            Integer bookmarkLevel =
-                    request.getBookmarkLevel(); // levels start from 0 (top most bookmarks)
-            if (bookmarkLevel < 0) {
-                return ResponseEntity.badRequest().body("Invalid bookmark level".getBytes());
-            }
-            sourceDocument = Loader.loadPDF(file.getBytes());
-
-            PDDocumentOutline outline = sourceDocument.getDocumentCatalog().getDocumentOutline();
-
-            if (outline == null) {
-                logger.warn("No outline found for {}", file.getOriginalFilename());
-                return ResponseEntity.badRequest().body("No outline found".getBytes());
-            }
-            List<Bookmark> bookmarks = new ArrayList<>();
-            try {
-                bookmarks =
-                        extractOutlineItems(
-                                sourceDocument,
-                                outline.getFirstChild(),
-                                bookmarks,
-                                outline.getFirstChild().getNextSibling(),
-                                0,
-                                bookmarkLevel);
-                // to handle last page edge case
-                bookmarks.get(bookmarks.size() - 1).setEndPage(sourceDocument.getNumberOfPages());
-                Bookmark lastBookmark = bookmarks.get(bookmarks.size() - 1);
-
-            } catch (Exception e) {
-                logger.error("Unable to extract outline items", e);
-                return ResponseEntity.internalServerError()
-                        .body("Unable to extract outline items".getBytes());
-            }
-
-            boolean allowDuplicates = request.getAllowDuplicates();
-            if (!allowDuplicates) {
-                /*
-                duplicates are generated when multiple bookmarks correspond to the same page,
-                if the user doesn't want duplicates mergeBookmarksThatCorrespondToSamePage() method will merge the titles of all
-                the bookmarks that correspond to the same page, and treat them as a single bookmark
-                */
-                bookmarks = mergeBookmarksThatCorrespondToSamePage(bookmarks);
-            }
-            for (Bookmark bookmark : bookmarks) {
-                logger.info(
-                        "{}::::{} to {}",
-                        bookmark.getTitle(),
-                        bookmark.getStartPage(),
-                        bookmark.getEndPage());
-            }
-            List<ByteArrayOutputStream> splitDocumentsBoas =
-                    getSplitDocumentsBoas(sourceDocument, bookmarks, includeMetadata);
-
-            zipFile = createZipFile(bookmarks, splitDocumentsBoas);
-
-            byte[] data = Files.readAllBytes(zipFile);
-            Files.deleteIfExists(zipFile);
-
-            String filename =
-                    Filenames.toSimpleFileName(file.getOriginalFilename())
-                            .replaceFirst("[.][^.]+$", "");
-            sourceDocument.close();
-            return WebResponseUtils.bytesToWebResponse(
-                    data, filename + ".zip", MediaType.APPLICATION_OCTET_STREAM);
-        } finally {
-            try {
-                if (sourceDocument != null) {
-                    sourceDocument.close();
-                }
-                if (zipFile != null) {
-                    Files.deleteIfExists(zipFile);
-                }
-            } catch (Exception e) {
-                logger.error("Error while cleaning up resources", e);
-            }
-        }
-    }
-
-    private List<Bookmark> mergeBookmarksThatCorrespondToSamePage(List<Bookmark> bookmarks) {
-        String mergedTitle = "";
-        List<Bookmark> chaptersToBeRemoved = new ArrayList<>();
-        for (Bookmark bookmark : bookmarks) {
-            if (bookmark.getStartPage() == bookmark.getEndPage()) {
-                mergedTitle = mergedTitle.concat(bookmark.getTitle().concat(" "));
-                chaptersToBeRemoved.add(bookmark);
-            } else {
-                if (!mergedTitle.isEmpty()) {
-                    if (mergedTitle.length() > 255) {
-                        mergedTitle = mergedTitle.substring(0, 253) + "...";
-                    }
-
-                    bookmarks.set(
-                            bookmarks.indexOf(bookmark),
-                            new Bookmark(
-                                    mergedTitle, bookmark.getStartPage(), bookmark.getEndPage()));
-                }
-                mergedTitle = "";
-            }
-        }
-        bookmarks.removeAll(chaptersToBeRemoved);
-        return bookmarks;
-    }
-
     private static List<Bookmark> extractOutlineItems(
             PDDocument sourceDocument,
             PDOutlineItem current,
@@ -234,6 +117,120 @@ public class SplitPdfByChaptersController {
         return bookmarks;
     }
 
+    @PostMapping(value = "/split-pdf-by-chapters", consumes = "multipart/form-data")
+    @Operation(
+            summary = "Split PDFs by Chapters",
+            description = "Splits a PDF into chapters and returns a ZIP file.")
+    public ResponseEntity<byte[]> splitPdf(@ModelAttribute SplitPdfByChaptersRequest request)
+            throws Exception {
+        MultipartFile file = request.getFileInput();
+        PDDocument sourceDocument = null;
+        Path zipFile = null;
+
+        try {
+            boolean includeMetadata = request.getIncludeMetadata();
+            Integer bookmarkLevel =
+                    request.getBookmarkLevel(); // levels start from 0 (top most bookmarks)
+            if (bookmarkLevel < 0) {
+                return ResponseEntity.badRequest().body("Invalid bookmark level".getBytes());
+            }
+            sourceDocument = Loader.loadPDF(file.getBytes());
+
+            PDDocumentOutline outline = sourceDocument.getDocumentCatalog().getDocumentOutline();
+
+            if (outline == null) {
+                log.warn("No outline found for {}", file.getOriginalFilename());
+                return ResponseEntity.badRequest().body("No outline found".getBytes());
+            }
+            List<Bookmark> bookmarks = new ArrayList<>();
+            try {
+                bookmarks =
+                        extractOutlineItems(
+                                sourceDocument,
+                                outline.getFirstChild(),
+                                bookmarks,
+                                outline.getFirstChild().getNextSibling(),
+                                0,
+                                bookmarkLevel);
+                // to handle last page edge case
+                bookmarks.get(bookmarks.size() - 1).setEndPage(sourceDocument.getNumberOfPages());
+                Bookmark lastBookmark = bookmarks.get(bookmarks.size() - 1);
+
+            } catch (Exception e) {
+                log.error("Unable to extract outline items", e);
+                return ResponseEntity.internalServerError()
+                        .body("Unable to extract outline items".getBytes());
+            }
+
+            boolean allowDuplicates = request.getAllowDuplicates();
+            if (!allowDuplicates) {
+                /*
+                duplicates are generated when multiple bookmarks correspond to the same page,
+                if the user doesn't want duplicates mergeBookmarksThatCorrespondToSamePage() method will merge the titles of all
+                the bookmarks that correspond to the same page, and treat them as a single bookmark
+                */
+                bookmarks = mergeBookmarksThatCorrespondToSamePage(bookmarks);
+            }
+            for (Bookmark bookmark : bookmarks) {
+                log.info(
+                        "{}::::{} to {}",
+                        bookmark.getTitle(),
+                        bookmark.getStartPage(),
+                        bookmark.getEndPage());
+            }
+            List<ByteArrayOutputStream> splitDocumentsBoas =
+                    getSplitDocumentsBoas(sourceDocument, bookmarks, includeMetadata);
+
+            zipFile = createZipFile(bookmarks, splitDocumentsBoas);
+
+            byte[] data = Files.readAllBytes(zipFile);
+            Files.deleteIfExists(zipFile);
+
+            String filename =
+                    Filenames.toSimpleFileName(file.getOriginalFilename())
+                            .replaceFirst("[.][^.]+$", "");
+            sourceDocument.close();
+            return WebResponseUtils.bytesToWebResponse(
+                    data, filename + ".zip", MediaType.APPLICATION_OCTET_STREAM);
+        } finally {
+            try {
+                if (sourceDocument != null) {
+                    sourceDocument.close();
+                }
+                if (zipFile != null) {
+                    Files.deleteIfExists(zipFile);
+                }
+            } catch (Exception e) {
+                log.error("Error while cleaning up resources", e);
+            }
+        }
+    }
+
+    private List<Bookmark> mergeBookmarksThatCorrespondToSamePage(List<Bookmark> bookmarks) {
+        String mergedTitle = "";
+        List<Bookmark> chaptersToBeRemoved = new ArrayList<>();
+        for (Bookmark bookmark : bookmarks) {
+            if (bookmark.getStartPage() == bookmark.getEndPage()) {
+                mergedTitle = mergedTitle.concat(bookmark.getTitle().concat(" "));
+                chaptersToBeRemoved.add(bookmark);
+            } else {
+                if (!mergedTitle.isEmpty()) {
+                    if (mergedTitle.length() > 255) {
+                        mergedTitle = mergedTitle.substring(0, 253) + "...";
+                    }
+
+                    bookmarks.set(
+                            bookmarks.indexOf(bookmark),
+                            new Bookmark(
+                                    mergedTitle, bookmark.getStartPage(), bookmark.getEndPage()));
+                }
+                mergedTitle = "";
+            }
+        }
+        bookmarks.removeAll(chaptersToBeRemoved);
+        return bookmarks;
+    }
+
     private Path createZipFile(
             List<Bookmark> bookmarks, List<ByteArrayOutputStream> splitDocumentsBoas)
             throws Exception {
@@ -256,14 +253,14 @@ public class SplitPdfByChaptersController {
                 zipOut.write(pdf);
                 zipOut.closeEntry();
 
-                logger.info("Wrote split document {} to zip file", fileName);
+                log.info("Wrote split document {} to zip file", fileName);
             }
         } catch (Exception e) {
-            logger.error("Failed writing to zip", e);
+            log.error("Failed writing to zip", e);
             throw e;
         }
 
-        logger.info("Successfully created zip file with split documents: {}", zipFile);
+        log.info("Successfully created zip file with split documents: {}", zipFile);
         return zipFile;
     }
 
@@ -284,7 +281,7 @@ public class SplitPdfByChaptersController {
                         i++) {
                     PDPage page = sourceDocument.getPage(i);
                     splitDocument.addPage(page);
-                    logger.info("Adding page {} to split document", i);
+                    log.info("Adding page {} to split document", i);
                 }
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                 if (includeMetadata) {
@@ -295,7 +292,7 @@ public class SplitPdfByChaptersController {
 
                 splitDocumentsBoas.add(baos);
             } catch (Exception e) {
-                logger.error("Failed splitting documents and saving them", e);
+                log.error("Failed splitting documents and saving them", e);
                 throw e;
             }
         }

src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java

@@ -18,8 +18,6 @@ import org.apache.pdfbox.pdmodel.PDPageContentStream.AppendMode;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
 import org.apache.pdfbox.util.Matrix;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -42,9 +40,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class SplitPdfBySectionsController {
 
-    private static final Logger logger =
-            LoggerFactory.getLogger(SplitPdfBySectionsController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySizeController.java

@@ -10,8 +10,6 @@ import java.util.zip.ZipOutputStream;
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -25,6 +23,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.general.SplitPdfBySizeOrCountRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.GeneralUtils;
@@ -32,10 +31,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/general")
+@Slf4j
 @Tag(name = "General", description = "General APIs")
 public class SplitPdfBySizeController {
 
-    private static final Logger logger = LoggerFactory.getLogger(SplitPdfBySizeController.class);
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -78,7 +77,7 @@ public class SplitPdfBySizeController {
             }
 
         } catch (Exception e) {
-            logger.error("exception", e);
+            log.error("exception", e);
         } finally {
             data = Files.readAllBytes(zipFile);
             Files.deleteIfExists(zipFile);

src/main/java/stirling/software/SPDF/controller/api/ToSinglePageController.java

@@ -11,8 +11,6 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -32,8 +30,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "General", description = "General APIs")
 public class ToSinglePageController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ToSinglePageController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/UserController.java

@@ -7,7 +7,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
@@ -18,11 +17,7 @@ import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 import org.springframework.web.servlet.view.RedirectView;
 
@@ -45,9 +40,14 @@ import stirling.software.SPDF.model.api.user.UsernameAndPass;
 @Slf4j
 public class UserController {
 
-    @Autowired private UserService userService;
+    private static final String LOGIN_MESSAGETYPE_CREDSUPDATED = "/login?messageType=credsUpdated";
+    private final UserService userService;
+    private final SessionPersistentRegistry sessionRegistry;
 
-    @Autowired SessionPersistentRegistry sessionRegistry;
+    public UserController(UserService userService, SessionPersistentRegistry sessionRegistry) {
+        this.userService = userService;
+        this.sessionRegistry = sessionRegistry;
+    }
 
     @PreAuthorize("!hasAuthority('ROLE_DEMO_USER')")
     @PostMapping("/register")
@@ -75,36 +75,27 @@ public class UserController {
             HttpServletResponse response,
             RedirectAttributes redirectAttributes)
             throws IOException {
-
         if (!userService.isUsernameValid(newUsername)) {
             return new RedirectView("/account?messageType=invalidUsername", true);
         }
-
         if (principal == null) {
             return new RedirectView("/account?messageType=notAuthenticated", true);
         }
-
         // The username MUST be unique when renaming
         Optional<User> userOpt = userService.findByUsername(principal.getName());
-
         if (userOpt == null || userOpt.isEmpty()) {
             return new RedirectView("/account?messageType=userNotFound", true);
         }
-
         User user = userOpt.get();
-
         if (user.getUsername().equals(newUsername)) {
             return new RedirectView("/account?messageType=usernameExists", true);
         }
-
         if (!userService.isPasswordCorrect(user, currentPassword)) {
             return new RedirectView("/account?messageType=incorrectPassword", true);
         }
-
         if (!user.getUsername().equals(newUsername) && userService.usernameExists(newUsername)) {
             return new RedirectView("/account?messageType=usernameExists", true);
         }
-
         if (newUsername != null && newUsername.length() > 0) {
             try {
                 userService.changeUsername(user, newUsername);
@@ -112,10 +103,8 @@ public class UserController {
                 return new RedirectView("/account?messageType=invalidUsername", true);
             }
         }
-
         // Logout using Spring's utility
         new SecurityContextLogoutHandler().logout(request, response, null);
-
         return new RedirectView(LOGIN_MESSAGETYPE_CREDSUPDATED, true);
     }
 
@@ -132,24 +121,18 @@ public class UserController {
         if (principal == null) {
             return new RedirectView("/change-creds?messageType=notAuthenticated", true);
         }
-
         Optional<User> userOpt = userService.findByUsernameIgnoreCase(principal.getName());
-
         if (userOpt == null || userOpt.isEmpty()) {
             return new RedirectView("/change-creds?messageType=userNotFound", true);
         }
-
         User user = userOpt.get();
-
         if (!userService.isPasswordCorrect(user, currentPassword)) {
             return new RedirectView("/change-creds?messageType=incorrectPassword", true);
         }
-
         userService.changePassword(user, newPassword);
         userService.changeFirstUse(user, false);
         // Logout using Spring's utility
         new SecurityContextLogoutHandler().logout(request, response, null);
-
         return new RedirectView(LOGIN_MESSAGETYPE_CREDSUPDATED, true);
     }
 
@@ -166,24 +149,17 @@ public class UserController {
         if (principal == null) {
             return new RedirectView("/account?messageType=notAuthenticated", true);
         }
-
         Optional<User> userOpt = userService.findByUsernameIgnoreCase(principal.getName());
-
         if (userOpt == null || userOpt.isEmpty()) {
             return new RedirectView("/account?messageType=userNotFound", true);
         }
-
         User user = userOpt.get();
-
         if (!userService.isPasswordCorrect(user, currentPassword)) {
             return new RedirectView("/account?messageType=incorrectPassword", true);
         }
-
         userService.changePassword(user, newPassword);
-
         // Logout using Spring's utility
         new SecurityContextLogoutHandler().logout(request, response, null);
-
         return new RedirectView(LOGIN_MESSAGETYPE_CREDSUPDATED, true);
     }
 
@@ -193,17 +169,14 @@ public class UserController {
             throws IOException {
         Map<String, String[]> paramMap = request.getParameterMap();
         Map<String, String> updates = new HashMap<>();
-
         for (Map.Entry<String, String[]> entry : paramMap.entrySet()) {
             updates.put(entry.getKey(), entry.getValue()[0]);
         }
-
         log.debug("Processed updates: " + updates);
-
         // Assuming you have a method in userService to update the settings for a user
         userService.updateUserSettings(principal.getName(), updates);
-
+        // Redirect to a page of your choice after updating
-        return "redirect:/account"; // Redirect to a page of your choice after updating
+        return "redirect:/account";
     }
 
     @PreAuthorize("hasRole('ROLE_ADMIN')")
@@ -216,13 +189,10 @@ public class UserController {
             @RequestParam(name = "forceChange", required = false, defaultValue = "false")
                     boolean forceChange)
             throws IllegalArgumentException, IOException {
-
         if (!userService.isUsernameValid(username)) {
             return new RedirectView("/addUsers?messageType=invalidUsername", true);
         }
-
         Optional<User> userOpt = userService.findByUsernameIgnoreCase(username);
-
         if (userOpt.isPresent()) {
             User user = userOpt.get();
             if (user != null && user.getUsername().equalsIgnoreCase(username)) {
@@ -243,7 +213,6 @@ public class UserController {
             // If the role ID is not valid, redirect with an error message
             return new RedirectView("/addUsers?messageType=invalidRole", true);
         }
-
         if (authType.equalsIgnoreCase(AuthenticationType.SSO.toString())) {
             userService.saveUser(username, AuthenticationType.SSO, role);
         } else {
@@ -252,9 +221,9 @@ public class UserController {
             }
             userService.saveUser(username, password, role, forceChange);
         }
-
         return new RedirectView(
-                "/addUsers", true); // Redirect to account page after adding the user
+                "/addUsers", // Redirect to account page after adding the user
+                true);
     }
 
     @PreAuthorize("hasRole('ROLE_ADMIN')")
@@ -264,9 +233,7 @@ public class UserController {
             @RequestParam(name = "role") String role,
             Authentication authentication)
             throws IOException {
-
         Optional<User> userOpt = userService.findByUsernameIgnoreCase(username);
-
         if (!userOpt.isPresent()) {
             return new RedirectView("/addUsers?messageType=userNotFound", true);
         }
@@ -275,7 +242,6 @@ public class UserController {
         }
         // Get the currently authenticated username
         String currentUsername = authentication.getName();
-
         // Check if the provided username matches the current session's username
         if (currentUsername.equalsIgnoreCase(username)) {
             return new RedirectView("/addUsers?messageType=downgradeCurrentUser", true);
@@ -292,11 +258,10 @@ public class UserController {
             return new RedirectView("/addUsers?messageType=invalidRole", true);
         }
         User user = userOpt.get();
-
         userService.changeRole(user, role);
-
         return new RedirectView(
-                "/addUsers", true); // Redirect to account page after adding the user
+                "/addUsers", // Redirect to account page after adding the user
+                true);
     }
 
     @PreAuthorize("hasRole('ROLE_ADMIN')")
@@ -306,9 +271,7 @@ public class UserController {
             @RequestParam("enabled") boolean enabled,
             Authentication authentication)
             throws IOException {
-
         Optional<User> userOpt = userService.findByUsernameIgnoreCase(username);
-
         if (!userOpt.isPresent()) {
             return new RedirectView("/addUsers?messageType=userNotFound", true);
         }
@@ -317,15 +280,12 @@ public class UserController {
         }
         // Get the currently authenticated username
         String currentUsername = authentication.getName();
-
         // Check if the provided username matches the current session's username
         if (currentUsername.equalsIgnoreCase(username)) {
             return new RedirectView("/addUsers?messageType=disabledCurrentUser", true);
         }
         User user = userOpt.get();
-
         userService.changeUserEnabled(user, enabled);
-
         if (!enabled) {
             // Invalidate all sessions if the user is being disabled
             List<Object> principals = sessionRegistry.getAllPrincipals();
@@ -349,28 +309,24 @@ public class UserController {
                 }
             }
         }
-
         return new RedirectView(
-                "/addUsers", true); // Redirect to account page after adding the user
+                "/addUsers", // Redirect to account page after adding the user
+                true);
     }
 
     @PreAuthorize("hasRole('ROLE_ADMIN')")
     @PostMapping("/admin/deleteUser/{username}")
     public RedirectView deleteUser(
             @PathVariable("username") String username, Authentication authentication) {
-
         if (!userService.usernameExistsIgnoreCase(username)) {
             return new RedirectView("/addUsers?messageType=deleteUsernameExists", true);
         }
-
         // Get the currently authenticated username
         String currentUsername = authentication.getName();
-
         // Check if the provided username matches the current session's username
         if (currentUsername.equalsIgnoreCase(username)) {
             return new RedirectView("/addUsers?messageType=deleteCurrentUser", true);
         }
-
         // Invalidate all sessions before deleting the user
         List<SessionInformation> sessionsInformations =
                 sessionRegistry.getAllSessions(authentication.getPrincipal(), false);
@@ -410,6 +366,4 @@ public class UserController {
         }
         return ResponseEntity.ok(apiKey);
     }
-
-    private static final String LOGIN_MESSAGETYPE_CREDSUPDATED = "/login?messageType=credsUpdated";
 }

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java

@@ -14,8 +14,6 @@ import java.util.zip.ZipOutputStream;
 
 import org.apache.commons.io.FileUtils;
 import org.apache.pdfbox.rendering.ImageType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -29,6 +27,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.converters.ConvertToImageRequest;
 import stirling.software.SPDF.model.api.converters.ConvertToPdfRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
@@ -40,11 +39,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/convert")
+@Slf4j
 @Tag(name = "Convert", description = "Convert APIs")
 public class ConvertImgPDFController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ConvertImgPDFController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -95,7 +93,7 @@ public class ConvertImgPDFController {
                             Integer.valueOf(dpi),
                             filename);
             if (result == null || result.length == 0) {
-                logger.error("resultant bytes for {} is null, error converting ", filename);
+                log.error("resultant bytes for {} is null, error converting ", filename);
             }
             if ("webp".equalsIgnoreCase(imageFormat) && !CheckProgramInstall.isPythonAvailable()) {
                 throw new IOException("Python is not installed. Required for WebP conversion.");
@@ -142,7 +140,7 @@ public class ConvertImgPDFController {
                                 .collect(Collectors.toList());
 
                 if (webpFiles.isEmpty()) {
-                    logger.error("No WebP files were created in: {}", tempOutputDir.toString());
+                    log.error("No WebP files were created in: {}", tempOutputDir.toString());
                     throw new IOException(
                             "No WebP files were created. " + resultProcess.getMessages());
                 }
@@ -194,7 +192,7 @@ public class ConvertImgPDFController {
                     FileUtils.deleteDirectory(tempOutputDir.toFile());
                 }
             } catch (Exception e) {
-                logger.error("Error cleaning up temporary files", e);
+                log.error("Error cleaning up temporary files", e);
             }
         }
     }
@@ -210,7 +208,13 @@ public class ConvertImgPDFController {
         String fitOption = request.getFitOption();
         String colorType = request.getColorType();
         boolean autoRotate = request.isAutoRotate();
-
+        // Handle Null entries for formdata
+        if (colorType == null || colorType.isBlank()) {
+            colorType = "color";
+        }
+        if (fitOption == null || fitOption.isEmpty()) {
+            fitOption = "fillPage";
+        }
         // Convert the file to PDF and get the resulting bytes
         byte[] bytes =
                 PdfUtils.imageToPdf(file, fitOption, autoRotate, colorType, pdfDocumentFactory);

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java

@@ -33,6 +33,13 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @RequestMapping("/api/v1/convert")
 public class ConvertOfficeController {
 
+    private final CustomPDDocumentFactory pdfDocumentFactory;
+
+    @Autowired
+    public ConvertOfficeController(CustomPDDocumentFactory pdfDocumentFactory) {
+        this.pdfDocumentFactory = pdfDocumentFactory;
+    }
+
     public File convertToPdf(MultipartFile inputFile) throws IOException, InterruptedException {
         // Check for valid file extension
         String originalFilename = Filenames.toSimpleFileName(inputFile.getOriginalFilename());
@@ -78,13 +85,6 @@ public class ConvertOfficeController {
         return fileExtension.matches(extensionPattern);
     }
 
-    private final CustomPDDocumentFactory pdfDocumentFactory;
-
-    @Autowired
-    public ConvertOfficeController(CustomPDDocumentFactory pdfDocumentFactory) {
-        this.pdfDocumentFactory = pdfDocumentFactory;
-    }
-
     @PostMapping(consumes = "multipart/form-data", value = "/file/pdf")
     @Operation(
             summary = "Convert a file to a PDF using LibreOffice",

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToBookController.java

@@ -6,7 +6,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -26,9 +25,13 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 // @RequestMapping("/api/v1/convert")
 public class ConvertPDFToBookController {
 
-    @Autowired
     @Qualifier("bookAndHtmlFormatsInstalled")
-    private boolean bookAndHtmlFormatsInstalled;
+    private final boolean bookAndHtmlFormatsInstalled;
+
+    public ConvertPDFToBookController(
+            @Qualifier("bookAndHtmlFormatsInstalled") boolean bookAndHtmlFormatsInstalled) {
+        this.bookAndHtmlFormatsInstalled = bookAndHtmlFormatsInstalled;
+    }
 
     @PostMapping(consumes = "multipart/form-data", value = "/pdf/book")
     @Operation(
@@ -39,16 +42,13 @@ public class ConvertPDFToBookController {
     public ResponseEntity<byte[]> HtmlToPdf(@ModelAttribute PdfToBookRequest request)
             throws Exception {
         MultipartFile fileInput = request.getFileInput();
-
         if (!bookAndHtmlFormatsInstalled) {
             throw new IllegalArgumentException(
                     "bookAndHtmlFormatsInstalled flag is False, this functionality is not available");
         }
-
         if (fileInput == null) {
             throw new IllegalArgumentException("Please provide a file for conversion.");
         }
-
         // Validate the output format
         String outputFormat = request.getOutputFormat().toLowerCase();
         List<String> allowedFormats =
@@ -58,28 +58,24 @@ public class ConvertPDFToBookController {
         if (!allowedFormats.contains(outputFormat)) {
             throw new IllegalArgumentException("Invalid output format: " + outputFormat);
         }
-
         byte[] outputFileBytes;
         List<String> command = new ArrayList<>();
         Path tempOutputFile =
                 Files.createTempFile(
-                        "output_",
+                        "output_", // Use the output format for the file extension
-                        "." + outputFormat); // Use the output format for the file extension
+                        "." + outputFormat);
         Path tempInputFile = null;
-
         try {
             // Create temp input file from the provided PDF
-            tempInputFile = Files.createTempFile("input_", ".pdf"); // Assuming input is always PDF
+            // Assuming input is always PDF
+            tempInputFile = Files.createTempFile("input_", ".pdf");
             Files.write(tempInputFile, fileInput.getBytes());
-
             command.add("ebook-convert");
             command.add(tempInputFile.toString());
             command.add(tempOutputFile.toString());
-
             ProcessExecutorResult returnCode =
                     ProcessExecutor.getInstance(ProcessExecutor.Processes.CALIBRE)
                             .runCommandWithOutputHandling(command);
-
             outputFileBytes = Files.readAllBytes(tempOutputFile);
         } finally {
             // Clean up temporary files
@@ -88,13 +84,12 @@ public class ConvertPDFToBookController {
             }
             Files.deleteIfExists(tempOutputFile);
         }
-
         String outputFilename =
                 Filenames.toSimpleFileName(fileInput.getOriginalFilename())
                                 .replaceFirst("[.][^.]+$", "")
                         + "."
-                        + outputFormat; // Remove file extension and append .pdf
+                        + // Remove file extension and append .pdf
-
+                        outputFormat;
         return WebResponseUtils.bytesToWebResponse(outputFileBytes, outputFilename);
     }
 }

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToPDFA.java

@@ -8,8 +8,6 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.apache.commons.io.FileUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -22,6 +20,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.converters.PdfToPdfARequest;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
@@ -29,11 +28,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/convert")
+@Slf4j
 @Tag(name = "Convert", description = "Convert APIs")
 public class ConvertPDFToPDFA {
 
-    private static final Logger logger = LoggerFactory.getLogger(ConvertPDFToPDFA.class);
-
     @PostMapping(consumes = "multipart/form-data", value = "/pdf/pdfa")
     @Operation(
             summary = "Convert a PDF to a PDF/A",
@@ -46,7 +44,7 @@ public class ConvertPDFToPDFA {
 
         // Validate input file type
         if (!"application/pdf".equals(inputFile.getContentType())) {
-            logger.error("Invalid input file type: {}", inputFile.getContentType());
+            log.error("Invalid input file type: {}", inputFile.getContentType());
             throw new IllegalArgumentException("Input file must be a PDF");
         }
 
@@ -96,7 +94,7 @@ public class ConvertPDFToPDFA {
                             .runCommandWithOutputHandling(command);
 
             if (returnCode.getRc() != 0) {
-                logger.error("PDF/A conversion failed with return code: {}", returnCode.getRc());
+                log.error("PDF/A conversion failed with return code: {}", returnCode.getRc());
                 throw new RuntimeException("PDF/A conversion failed");
             }
 

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertWebsiteToPDF.java

@@ -7,8 +7,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.pdfbox.pdmodel.PDDocument;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -19,6 +17,7 @@ import org.springframework.web.bind.annotation.RestController;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.converters.UrlToPdfRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.GeneralUtils;
@@ -28,11 +27,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @Tag(name = "Convert", description = "Convert APIs")
+@Slf4j
 @RequestMapping("/api/v1/convert")
 public class ConvertWebsiteToPDF {
 
-    private static final Logger logger = LoggerFactory.getLogger(ConvertWebsiteToPDF.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -88,7 +86,7 @@ public class ConvertWebsiteToPDF {
                 try {
                     Files.deleteIfExists(tempOutputFile);
                 } catch (IOException e) {
-                    logger.error("Error deleting temporary output file", e);
+                    log.error("Error deleting temporary output file", e);
                 }
             }
         }

src/main/java/stirling/software/SPDF/controller/api/converters/ExtractCSVController.java

@@ -7,8 +7,6 @@ import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.QuoteMode;
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.ContentDisposition;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
@@ -34,8 +32,6 @@ import technology.tabula.writers.Writer;
 @Tag(name = "Convert", description = "Convert APIs")
 public class ExtractCSVController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ExtractCSVController.class);
-
     @PostMapping(value = "/pdf/csv", consumes = "multipart/form-data")
     @Operation(
             summary = "Extracts a CSV document from a PDF",

src/main/java/stirling/software/SPDF/controller/api/misc/AutoRenameController.java

@@ -9,8 +9,6 @@ import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.text.PDFTextStripper;
 import org.apache.pdfbox.text.TextPosition;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -22,16 +20,16 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.ExtractHeaderRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class AutoRenameController {
 
-    private static final Logger logger = LoggerFactory.getLogger(AutoRenameController.class);
-
     private static final float TITLE_FONT_SIZE_THRESHOLD = 20.0f;
     private static final int LINE_LIMIT = 200;
 
@@ -48,16 +46,6 @@ public class AutoRenameController {
         PDDocument document = Loader.loadPDF(file.getBytes());
         PDFTextStripper reader =
                 new PDFTextStripper() {
-                    class LineInfo {
-                        String text;
-                        float fontSize;
-
-                        LineInfo(String text, float fontSize) {
-                            this.text = text;
-                            this.fontSize = fontSize;
-                        }
-                    }
-
                     List<LineInfo> lineInfos = new ArrayList<>();
                     StringBuilder lineBuilder = new StringBuilder();
                     float lastY = -1;
@@ -124,6 +112,16 @@ public class AutoRenameController {
                                                         .text)
                                         : null);
                     }
+
+                    class LineInfo {
+                        String text;
+                        float fontSize;
+
+                        LineInfo(String text, float fontSize) {
+                            this.text = text;
+                            this.fontSize = fontSize;
+                        }
+                    }
                 };
 
         String header = reader.getText(document);
@@ -133,7 +131,7 @@ public class AutoRenameController {
             header = header.replaceAll("[/\\\\?%*:|\"<>]", "").trim();
             return WebResponseUtils.pdfDocToWebResponse(document, header + ".pdf");
         } else {
-            logger.info("File has no good title to be found");
+            log.info("File has no good title to be found");
             return WebResponseUtils.pdfDocToWebResponse(
                     document, Filenames.toSimpleFileName(file.getOriginalFilename()));
         }

src/main/java/stirling/software/SPDF/controller/api/misc/AutoSplitPdfController.java

@@ -14,8 +14,6 @@ import java.util.zip.ZipOutputStream;
 
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.rendering.PDFRenderer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -25,28 +23,24 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
-import com.google.zxing.BinaryBitmap;
+import com.google.zxing.*;
-import com.google.zxing.LuminanceSource;
-import com.google.zxing.MultiFormatReader;
-import com.google.zxing.NotFoundException;
-import com.google.zxing.PlanarYUVLuminanceSource;
-import com.google.zxing.Result;
 import com.google.zxing.common.HybridBinarizer;
 
 import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.AutoSplitPdfRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class AutoSplitPdfController {
 
-    private static final Logger logger = LoggerFactory.getLogger(AutoSplitPdfController.class);
     private static final String QR_CONTENT = "https://github.com/Stirling-Tools/Stirling-PDF";
     private static final String QR_CONTENT_OLD = "https://github.com/Frooodle/Stirling-PDF";
 
@@ -57,6 +51,52 @@ public class AutoSplitPdfController {
         this.pdfDocumentFactory = pdfDocumentFactory;
     }
 
+    private static String decodeQRCode(BufferedImage bufferedImage) {
+        LuminanceSource source;
+
+        if (bufferedImage.getRaster().getDataBuffer() instanceof DataBufferByte) {
+            byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
+            source =
+                    new PlanarYUVLuminanceSource(
+                            pixels,
+                            bufferedImage.getWidth(),
+                            bufferedImage.getHeight(),
+                            0,
+                            0,
+                            bufferedImage.getWidth(),
+                            bufferedImage.getHeight(),
+                            false);
+        } else if (bufferedImage.getRaster().getDataBuffer() instanceof DataBufferInt) {
+            int[] pixels = ((DataBufferInt) bufferedImage.getRaster().getDataBuffer()).getData();
+            byte[] newPixels = new byte[pixels.length];
+            for (int i = 0; i < pixels.length; i++) {
+                newPixels[i] = (byte) (pixels[i] & 0xff);
+            }
+            source =
+                    new PlanarYUVLuminanceSource(
+                            newPixels,
+                            bufferedImage.getWidth(),
+                            bufferedImage.getHeight(),
+                            0,
+                            0,
+                            bufferedImage.getWidth(),
+                            bufferedImage.getHeight(),
+                            false);
+        } else {
+            throw new IllegalArgumentException(
+                    "BufferedImage must have 8-bit gray scale, 24-bit RGB, 32-bit ARGB (packed int), byte gray, or 3-byte/4-byte RGB image data");
+        }
+
+        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
+
+        try {
+            Result result = new MultiFormatReader().decode(bitmap);
+            return result.getText();
+        } catch (NotFoundException e) {
+            return null; // there is no QR code in the image
+        }
+    }
+
     @PostMapping(value = "/auto-split-pdf", consumes = "multipart/form-data")
     @Operation(
             summary = "Auto split PDF pages into separate documents",
@@ -134,7 +174,7 @@ public class AutoSplitPdfController {
                 try {
                     document.close();
                 } catch (IOException e) {
-                    logger.error("Error closing main PDDocument", e);
+                    log.error("Error closing main PDDocument", e);
                 }
             }
 
@@ -142,7 +182,7 @@ public class AutoSplitPdfController {
                 try {
                     splitDoc.close();
                 } catch (IOException e) {
-                    logger.error("Error closing split PDDocument", e);
+                    log.error("Error closing split PDDocument", e);
                 }
             }
 
@@ -150,55 +190,9 @@ public class AutoSplitPdfController {
                 try {
                     Files.deleteIfExists(zipFile);
                 } catch (IOException e) {
-                    logger.error("Error deleting temporary zip file", e);
+                    log.error("Error deleting temporary zip file", e);
                 }
             }
         }
     }
-
-    private static String decodeQRCode(BufferedImage bufferedImage) {
-        LuminanceSource source;
-
-        if (bufferedImage.getRaster().getDataBuffer() instanceof DataBufferByte) {
-            byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
-            source =
-                    new PlanarYUVLuminanceSource(
-                            pixels,
-                            bufferedImage.getWidth(),
-                            bufferedImage.getHeight(),
-                            0,
-                            0,
-                            bufferedImage.getWidth(),
-                            bufferedImage.getHeight(),
-                            false);
-        } else if (bufferedImage.getRaster().getDataBuffer() instanceof DataBufferInt) {
-            int[] pixels = ((DataBufferInt) bufferedImage.getRaster().getDataBuffer()).getData();
-            byte[] newPixels = new byte[pixels.length];
-            for (int i = 0; i < pixels.length; i++) {
-                newPixels[i] = (byte) (pixels[i] & 0xff);
-            }
-            source =
-                    new PlanarYUVLuminanceSource(
-                            newPixels,
-                            bufferedImage.getWidth(),
-                            bufferedImage.getHeight(),
-                            0,
-                            0,
-                            bufferedImage.getWidth(),
-                            bufferedImage.getHeight(),
-                            false);
-        } else {
-            throw new IllegalArgumentException(
-                    "BufferedImage must have 8-bit gray scale, 24-bit RGB, 32-bit ARGB (packed int), byte gray, or 3-byte/4-byte RGB image data");
-        }
-
-        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
-
-        try {
-            Result result = new MultiFormatReader().decode(bitmap);
-            return result.getText();
-        } catch (NotFoundException e) {
-            return null; // there is no QR code in the image
-        }
-    }
 }

src/main/java/stirling/software/SPDF/controller/api/misc/BlankPageController.java

@@ -14,8 +14,6 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageTree;
 import org.apache.pdfbox.rendering.PDFRenderer;
 import org.apache.pdfbox.text.PDFTextStripper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
@@ -30,6 +28,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.RemoveBlankPagesRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.PdfUtils;
@@ -37,11 +36,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class BlankPageController {
 
-    private static final Logger logger = LoggerFactory.getLogger(BlankPageController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -49,6 +47,32 @@ public class BlankPageController {
         this.pdfDocumentFactory = pdfDocumentFactory;
     }
 
+    public static boolean isBlankImage(
+            BufferedImage image, int threshold, double whitePercent, int blurSize) {
+        if (image == null) {
+            log.info("Error: Image is null");
+            return false;
+        }
+
+        // Convert to binary image based on the threshold
+        int whitePixels = 0;
+        int totalPixels = image.getWidth() * image.getHeight();
+
+        for (int i = 0; i < image.getHeight(); i++) {
+            for (int j = 0; j < image.getWidth(); j++) {
+                int color = image.getRGB(j, i) & 0xFF;
+                if (color >= 255 - threshold) {
+                    whitePixels++;
+                }
+            }
+        }
+
+        double whitePixelPercentage = (whitePixels / (double) totalPixels) * 100;
+        log.info(String.format("Page has white pixel percent of %.2f%%", whitePixelPercentage));
+
+        return whitePixelPercentage >= whitePercent;
+    }
+
     @PostMapping(consumes = "multipart/form-data", value = "/remove-blanks")
     @Operation(
             summary = "Remove blank pages from a PDF file",
@@ -71,7 +95,7 @@ public class BlankPageController {
             PDFRenderer pdfRenderer = new PDFRenderer(document);
             pdfRenderer.setSubsamplingAllowed(true);
             for (PDPage page : pages) {
-                logger.info("checking page {}", pageIndex);
+                log.info("checking page {}", pageIndex);
                 textStripper.setStartPage(pageIndex + 1);
                 textStripper.setEndPage(pageIndex + 1);
                 String pageText = textStripper.getText(document);
@@ -79,12 +103,12 @@ public class BlankPageController {
 
                 boolean blank = true;
                 if (hasText) {
-                    logger.info("page {} has text, not blank", pageIndex);
+                    log.info("page {} has text, not blank", pageIndex);
                     blank = false;
                 } else {
                     boolean hasImages = PdfUtils.hasImagesOnPage(page);
                     if (hasImages) {
-                        logger.info("page {} has image, running blank detection", pageIndex);
+                        log.info("page {} has image, running blank detection", pageIndex);
                         // Render image and save as temp file
                         BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 30);
                         blank = isBlankImage(image, threshold, whitePercent, threshold);
@@ -92,10 +116,10 @@ public class BlankPageController {
                 }
 
                 if (blank) {
-                    logger.info("Skipping, Image was  blank for page #{}", pageIndex);
+                    log.info("Skipping, Image was  blank for page #{}", pageIndex);
                     blankPages.add(page);
                 } else {
-                    logger.info("page {} has image which is not blank", pageIndex);
+                    log.info("page {} has image which is not blank", pageIndex);
                     nonBlankPages.add(page);
                 }
 
@@ -121,12 +145,12 @@ public class BlankPageController {
 
             zos.close();
 
-            logger.info("Returning ZIP file: {}", filename + "_processed.zip");
+            log.info("Returning ZIP file: {}", filename + "_processed.zip");
             return WebResponseUtils.boasToWebResponse(
                     baos, filename + "_processed.zip", MediaType.APPLICATION_OCTET_STREAM);
 
         } catch (IOException e) {
-            logger.error("exception", e);
+            log.error("exception", e);
             return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
         }
     }
@@ -145,30 +169,4 @@ public class BlankPageController {
             zos.closeEntry();
         }
     }
-
-    public static boolean isBlankImage(
-            BufferedImage image, int threshold, double whitePercent, int blurSize) {
-        if (image == null) {
-            logger.info("Error: Image is null");
-            return false;
-        }
-
-        // Convert to binary image based on the threshold
-        int whitePixels = 0;
-        int totalPixels = image.getWidth() * image.getHeight();
-
-        for (int i = 0; i < image.getHeight(); i++) {
-            for (int j = 0; j < image.getWidth(); j++) {
-                int color = image.getRGB(j, i) & 0xFF;
-                if (color >= 255 - threshold) {
-                    whitePixels++;
-                }
-            }
-        }
-
-        double whitePixelPercentage = (whitePixels / (double) totalPixels) * 100;
-        logger.info(String.format("Page has white pixel percent of %.2f%%", whitePixelPercentage));
-
-        return whitePixelPercentage >= whitePercent;
-    }
 }

src/main/java/stirling/software/SPDF/controller/api/misc/CompressController.java

@@ -1,6 +1,6 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import java.awt.Image;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.ByteArrayOutputStream;
 import java.nio.file.Files;
@@ -17,8 +17,6 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDResources;
 import org.apache.pdfbox.pdmodel.graphics.PDXObject;
 import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -31,6 +29,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.OptimizePdfRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.GeneralUtils;
@@ -40,11 +39,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class CompressController {
 
-    private static final Logger logger = LoggerFactory.getLogger(CompressController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -191,7 +189,7 @@ public class CompressController {
                             incrementOptimizeLevel(
                                     optimizeLevel, outputFileSize, expectedOutputSize);
                     if (autoMode && optimizeLevel > 9) {
-                        logger.info("Maximum compression level reached in auto mode");
+                        log.info("Maximum compression level reached in auto mode");
                         sizeMet = true;
                     }
                 }
@@ -203,7 +201,7 @@ public class CompressController {
 
             // Check if optimized file is larger than the original
             if (pdfBytes.length > inputFileSize) {
-                logger.warn(
+                log.warn(
                         "Optimized file is larger than the original. Returning the original file instead.");
                 finalFile = tempInputFile;
             }
@@ -234,7 +232,7 @@ public class CompressController {
 
     private int incrementOptimizeLevel(int currentLevel, long currentSize, long targetSize) {
         double currentRatio = currentSize / (double) targetSize;
-        logger.info("Current compression ratio: {}", String.format("%.2f", currentRatio));
+        log.info("Current compression ratio: {}", String.format("%.2f", currentRatio));
 
         if (currentRatio > 2.0) {
             return Math.min(9, currentLevel + 3);

src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImageScansController.java

@@ -17,8 +17,6 @@ import org.apache.commons.io.FileUtils;
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.rendering.PDFRenderer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -31,6 +29,7 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.parameters.RequestBody;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.ExtractImageScansRequest;
 import stirling.software.SPDF.utils.CheckProgramInstall;
 import stirling.software.SPDF.utils.ProcessExecutor;
@@ -39,10 +38,11 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class ExtractImageScansController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ExtractImageScansController.class);
+    private static final String REPLACEFIRST = "[.][^.]+$";
 
     @PostMapping(consumes = "multipart/form-data", value = "/extract-image-scans")
     @Operation(
@@ -201,7 +201,7 @@ public class ExtractImageScansController {
                         try {
                             Files.deleteIfExists(path);
                         } catch (IOException e) {
-                            logger.error("Failed to delete temporary image file: " + path, e);
+                            log.error("Failed to delete temporary image file: " + path, e);
                         }
                     });
 
@@ -209,7 +209,7 @@ public class ExtractImageScansController {
                 try {
                     Files.deleteIfExists(tempZipFile);
                 } catch (IOException e) {
-                    logger.error("Failed to delete temporary zip file: " + tempZipFile, e);
+                    log.error("Failed to delete temporary zip file: " + tempZipFile, e);
                 }
             }
 
@@ -218,11 +218,9 @@ public class ExtractImageScansController {
                         try {
                             FileUtils.deleteDirectory(dir.toFile());
                         } catch (IOException e) {
-                            logger.error("Failed to delete temporary directory: " + dir, e);
+                            log.error("Failed to delete temporary directory: " + dir, e);
                         }
                     });
         }
     }
-
-    private static final String REPLACEFIRST = "[.][^.]+$";
 }

src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImagesController.java

@@ -25,8 +25,6 @@ import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -39,17 +37,17 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.PDFExtractImagesRequest;
 import stirling.software.SPDF.utils.ImageProcessingUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class ExtractImagesController {
 
-    private static final Logger logger = LoggerFactory.getLogger(ExtractImagesController.class);
-
     @PostMapping(consumes = "multipart/form-data", value = "/extract-images")
     @Operation(
             summary = "Extract images from a PDF file",
@@ -107,7 +105,7 @@ public class ExtractImagesController {
                                                 allowDuplicates);
                                     } catch (IOException e) {
                                         // Log the error and continue processing other pages
-                                        logger.error(
+                                        log.error(
                                                 "Error extracting images from page {}: {}",
                                                 pageNum,
                                                 e.getMessage());
@@ -167,7 +165,7 @@ public class ExtractImagesController {
         try {
             md = MessageDigest.getInstance("MD5");
         } catch (NoSuchAlgorithmException e) {
-            logger.error("MD5 algorithm not available for extractImages hash.", e);
+            log.error("MD5 algorithm not available for extractImages hash.", e);
             return;
         }
         if (page.getResources() == null || page.getResources().getXObjectNames() == null) {

src/main/java/stirling/software/SPDF/controller/api/misc/FakeScanControllerWIP.java

@@ -1,19 +1,10 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import java.awt.AlphaComposite;
+import java.awt.*;
-import java.awt.BasicStroke;
-import java.awt.Color;
-import java.awt.GradientPaint;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Ellipse2D;
 import java.awt.geom.Path2D;
-import java.awt.image.AffineTransformOp;
+import java.awt.image.*;
-import java.awt.image.BufferedImage;
-import java.awt.image.BufferedImageOp;
-import java.awt.image.ConvolveOp;
-import java.awt.image.Kernel;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.security.SecureRandom;
@@ -27,8 +18,6 @@ import org.apache.pdfbox.pdmodel.graphics.image.JPEGFactory;
 import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
 import org.apache.pdfbox.rendering.ImageType;
 import org.apache.pdfbox.rendering.PDFRenderer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -50,8 +39,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class FakeScanControllerWIP {
 
-    private static final Logger logger = LoggerFactory.getLogger(FakeScanControllerWIP.class);
-
     // TODO finish
     @PostMapping(consumes = "multipart/form-data", value = "/fake-scan")
     @Hidden

src/main/java/stirling/software/SPDF/controller/api/misc/FlattenController.java

@@ -12,8 +12,6 @@ import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
 import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
 import org.apache.pdfbox.rendering.ImageType;
 import org.apache.pdfbox.rendering.PDFRenderer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -26,17 +24,17 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.FlattenRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class FlattenController {
 
-    private static final Logger logger = LoggerFactory.getLogger(FlattenController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -84,7 +82,7 @@ public class FlattenController {
                         contentStream.drawImage(pdImage, 0, 0, pageWidth, pageHeight);
                     }
                 } catch (IOException e) {
-                    logger.error("exception", e);
+                    log.error("exception", e);
                 }
             }
             return WebResponseUtils.pdfDocToWebResponse(

src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java

@@ -11,32 +11,26 @@ import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDDocumentInformation;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.WebDataBinder;
-import org.springframework.web.bind.annotation.InitBinder;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.ModelAttribute;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
 import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.MetadataRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 import stirling.software.SPDF.utils.propertyeditor.StringToMapPropertyEditor;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class MetadataController {
 
-    private static final Logger logger = LoggerFactory.getLogger(MetadataController.class);
-
     private String checkUndefined(String entry) {
         // Check if the string is "undefined"
         if ("undefined".equals(entry)) {
@@ -148,7 +142,7 @@ public class MetadataController {
                 creationDateCal.setTime(
                         new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").parse(creationDate));
             } catch (ParseException e) {
-                logger.error("exception", e);
+                log.error("exception", e);
             }
             info.setCreationDate(creationDateCal);
         } else {
@@ -160,7 +154,7 @@ public class MetadataController {
                 modificationDateCal.setTime(
                         new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").parse(modificationDate));
             } catch (ParseException e) {
-                logger.error("exception", e);
+                log.error("exception", e);
             }
             info.setModificationDate(modificationDateCal);
         } else {

src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java

@@ -1,18 +1,10 @@
 package stirling.software.SPDF.controller.api.misc;
 
 import java.awt.image.BufferedImage;
-import java.io.BufferedReader;
+import java.io.*;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
@@ -24,7 +16,6 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.rendering.PDFRenderer;
 import org.apache.pdfbox.text.PDFTextStripper;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -48,12 +39,14 @@ import stirling.software.SPDF.service.CustomPDDocumentFactory;
 @Slf4j
 public class OCRController {
 
-    @Autowired private ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
-    @Autowired
+    public OCRController(
-    public OCRController(CustomPDDocumentFactory pdfDocumentFactory) {
+            ApplicationProperties applicationProperties,
+            CustomPDDocumentFactory pdfDocumentFactory) {
+        this.applicationProperties = applicationProperties;
         this.pdfDocumentFactory = pdfDocumentFactory;
     }
 
@@ -78,13 +71,11 @@ public class OCRController {
         MultipartFile inputFile = request.getFileInput();
         List<String> languages = request.getLanguages();
         String ocrType = request.getOcrType();
-
         Path tempDir = Files.createTempDirectory("ocr_process");
         Path tempInputFile = tempDir.resolve("input.pdf");
         Path tempOutputDir = tempDir.resolve("output");
         Path tempImagesDir = tempDir.resolve("images");
         Path finalOutputFile = tempDir.resolve("final_output.pdf");
-
         Files.createDirectories(tempOutputDir);
         Files.createDirectories(tempImagesDir);
         Process process = null;
@@ -93,39 +84,32 @@ public class OCRController {
             inputFile.transferTo(tempInputFile.toFile());
             PDFMergerUtility merger = new PDFMergerUtility();
             merger.setDestinationFileName(finalOutputFile.toString());
-
             try (PDDocument document = pdfDocumentFactory.load(tempInputFile.toFile())) {
                 PDFRenderer pdfRenderer = new PDFRenderer(document);
                 int pageCount = document.getNumberOfPages();
-
                 for (int pageNum = 0; pageNum < pageCount; pageNum++) {
                     PDPage page = document.getPage(pageNum);
                     boolean hasText = false;
-
                     // Check for existing text
                     try (PDDocument tempDoc = new PDDocument()) {
                         tempDoc.addPage(page);
                         PDFTextStripper stripper = new PDFTextStripper();
                         hasText = !stripper.getText(tempDoc).trim().isEmpty();
                     }
-
                     boolean shouldOcr =
                             switch (ocrType) {
                                 case "skip-text" -> !hasText;
                                 case "force-ocr" -> true;
                                 default -> true;
                             };
-
                     Path pageOutputPath =
                             tempOutputDir.resolve(String.format("page_%d.pdf", pageNum));
-
                     if (shouldOcr) {
                         // Convert page to image
                         BufferedImage image = pdfRenderer.renderImageWithDPI(pageNum, 300);
                         Path imagePath =
                                 tempImagesDir.resolve(String.format("page_%d.png", pageNum));
                         ImageIO.write(image, "png", imagePath.toFile());
-
                         // Build OCR command
                         List<String> command = new ArrayList<>();
                         command.add("tesseract");
@@ -136,11 +120,10 @@ public class OCRController {
                                         .toString());
                         command.add("-l");
                         command.add(String.join("+", languages));
-                        command.add("pdf"); // Always output PDF
+                        // Always output PDF
-
+                        command.add("pdf");
                         ProcessBuilder pb = new ProcessBuilder(command);
                         process = pb.start();
-
                         // Capture any error output
                         try (BufferedReader reader =
                                 new BufferedReader(
@@ -150,13 +133,11 @@ public class OCRController {
                                 log.debug("Tesseract: {}", line);
                             }
                         }
-
                         int exitCode = process.waitFor();
                         if (exitCode != 0) {
                             throw new RuntimeException(
                                     "Tesseract failed with exit code: " + exitCode);
                         }
-
                         // Add OCR'd PDF to merger
                         merger.addSource(pageOutputPath.toFile());
                     } else {
@@ -169,29 +150,24 @@ public class OCRController {
                     }
                 }
             }
-
             // Merge all pages into final PDF
             merger.mergeDocuments(null);
-
             // Read the final PDF file
             byte[] pdfContent = Files.readAllBytes(finalOutputFile);
             String outputFilename =
                     Filenames.toSimpleFileName(inputFile.getOriginalFilename())
                                     .replaceFirst("[.][^.]+$", "")
                             + "_OCR.pdf";
-
             return ResponseEntity.ok()
                     .header(
                             "Content-Disposition",
                             "attachment; filename=\"" + outputFilename + "\"")
                     .contentType(MediaType.APPLICATION_PDF)
                     .body(pdfContent);
-
         } finally {
             if (process != null) {
                 process.destroy();
             }
-
             // Clean up temporary files
             deleteDirectory(tempDir);
         }
@@ -203,17 +179,14 @@ public class OCRController {
             log.warn("File {} does not exist, skipping", file);
             return;
         }
-
         try (FileInputStream fis = new FileInputStream(file)) {
             ZipEntry zipEntry = new ZipEntry(filename);
             zipOut.putNextEntry(zipEntry);
-
             byte[] buffer = new byte[1024];
             int length;
             while ((length = fis.read(buffer)) >= 0) {
                 zipOut.write(buffer, 0, length);
             }
-
             zipOut.closeEntry();
         }
     }

src/main/java/stirling/software/SPDF/controller/api/misc/OverlayImageController.java

@@ -2,8 +2,6 @@ package stirling.software.SPDF.controller.api.misc;
 
 import java.io.IOException;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -17,6 +15,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.misc.OverlayImageRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.PdfUtils;
@@ -24,11 +23,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/misc")
+@Slf4j
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class OverlayImageController {
 
-    private static final Logger logger = LoggerFactory.getLogger(OverlayImageController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -60,7 +58,7 @@ public class OverlayImageController {
                                     .replaceFirst("[.][^.]+$", "")
                             + "_overlayed.pdf");
         } catch (IOException e) {
-            logger.error("Failed to add image to PDF", e);
+            log.error("Failed to add image to PDF", e);
             return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
         }
     }

src/main/java/stirling/software/SPDF/controller/api/misc/PageNumbersController.java

@@ -10,8 +10,6 @@ import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.font.PDType1Font;
 import org.apache.pdfbox.pdmodel.font.Standard14Fonts;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -35,8 +33,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class PageNumbersController {
 
-    private static final Logger logger = LoggerFactory.getLogger(PageNumbersController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/misc/PrintFileController.java

@@ -1,7 +1,6 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import java.awt.Graphics;
+import java.awt.*;
-import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
 import java.awt.print.PageFormat;
 import java.awt.print.Printable;

src/main/java/stirling/software/SPDF/controller/api/misc/RepairController.java

@@ -6,8 +6,6 @@ import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -31,8 +29,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class RepairController {
 
-    private static final Logger logger = LoggerFactory.getLogger(RepairController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired

src/main/java/stirling/software/SPDF/controller/api/misc/ShowJavascript.java

@@ -7,8 +7,6 @@ import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.common.PDNameTreeNode;
 import org.apache.pdfbox.pdmodel.interactive.action.PDActionJavaScript;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -29,8 +27,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class ShowJavascript {
 
-    private static final Logger logger = LoggerFactory.getLogger(ShowJavascript.class);
-
     @PostMapping(consumes = "multipart/form-data", value = "/show-javascript")
     @Operation(
             summary = "Grabs all JS from a PDF and returns a single JS file with all code",

src/main/java/stirling/software/SPDF/controller/api/misc/StampController.java

@@ -1,6 +1,6 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import java.awt.Color;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.FileOutputStream;

src/main/java/stirling/software/SPDF/controller/api/pipeline/ApiDocService.java

@@ -7,8 +7,6 @@ import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
@@ -21,28 +19,35 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import jakarta.servlet.ServletContext;
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.SPdfApplication;
 import stirling.software.SPDF.model.ApiEndpoint;
 import stirling.software.SPDF.model.Role;
 
 @Service
+@Slf4j
 public class ApiDocService {
 
     private final Map<String, ApiEndpoint> apiDocumentation = new HashMap<>();
 
-    private static final Logger logger = LoggerFactory.getLogger(ApiDocService.class);
+    private final ServletContext servletContext;
+    private final UserServiceInterface userService;
+    Map<String, List<String>> outputToFileTypes = new HashMap<>();
+    JsonNode apiDocsJsonRootNode;
 
-    @Autowired private ServletContext servletContext;
+    public ApiDocService(
+            ServletContext servletContext,
+            @Autowired(required = false) UserServiceInterface userService) {
+        this.servletContext = servletContext;
+        this.userService = userService;
+    }
 
     private String getApiDocsUrl() {
         String contextPath = servletContext.getContextPath();
         String port = SPdfApplication.getStaticPort();
-
         return "http://localhost:" + port + contextPath + "/v1/api-docs";
     }
 
-    Map<String, List<String>> outputToFileTypes = new HashMap<>();
-
     public List<String> getExtensionTypes(boolean output, String operationName) {
         if (outputToFileTypes.size() == 0) {
             outputToFileTypes.put("PDF", Arrays.asList("pdf"));
@@ -66,14 +71,12 @@ public class ApiDocService {
                     "BOOK", Arrays.asList("epub", "mobi", "azw3", "fb2", "txt", "docx"));
             // type.
         }
-
         if (apiDocsJsonRootNode == null || apiDocumentation.size() == 0) {
             loadApiDocumentation();
         }
         if (!apiDocumentation.containsKey(operationName)) {
             return null;
         }
-
         ApiEndpoint endpoint = apiDocumentation.get(operationName);
         String description = endpoint.getDescription();
         Pattern pattern = null;
@@ -92,16 +95,11 @@ public class ApiDocService {
         return null;
     }
 
-    @Autowired(required = false)
-    private UserServiceInterface userService;
-
     private String getApiKeyForUser() {
         if (userService == null) return "";
         return userService.getApiKeyForUser(Role.INTERNAL_API_USER.getRoleId());
     }
 
-    JsonNode apiDocsJsonRootNode;
-
     // @EventListener(ApplicationReadyEvent.class)
     private synchronized void loadApiDocumentation() {
         String apiDocsJson = "";
@@ -112,15 +110,12 @@ public class ApiDocService {
                 headers.set("X-API-KEY", apiKey);
             }
             HttpEntity<String> entity = new HttpEntity<>(headers);
-
             RestTemplate restTemplate = new RestTemplate();
             ResponseEntity<String> response =
                     restTemplate.exchange(getApiDocsUrl(), HttpMethod.GET, entity, String.class);
             apiDocsJson = response.getBody();
-
             ObjectMapper mapper = new ObjectMapper();
             apiDocsJsonRootNode = mapper.readTree(apiDocsJson);
-
             JsonNode paths = apiDocsJsonRootNode.path("paths");
             paths.fields()
                     .forEachRemaining(
@@ -135,7 +130,7 @@ public class ApiDocService {
                             });
         } catch (Exception e) {
             // Handle exceptions
-            logger.error("Error grabbing swagger doc, body result {}", apiDocsJson);
+            log.error("Error grabbing swagger doc, body result {}", apiDocsJson);
         }
     }
 
@@ -157,19 +152,15 @@ public class ApiDocService {
         if (!apiDocumentation.containsKey(operationName)) {
             return false;
         }
-
         ApiEndpoint endpoint = apiDocumentation.get(operationName);
         String description = endpoint.getDescription();
-
         Pattern pattern = Pattern.compile("Type:(\\w+)");
         Matcher matcher = pattern.matcher(description);
         if (matcher.find()) {
             String type = matcher.group(1);
             return type.startsWith("MI");
         }
-
         return false;
     }
 }
-
 // Model class for API Endpoint

src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineController.java

@@ -8,9 +8,6 @@ import java.util.Map;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.Resource;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -26,6 +23,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.ApplicationProperties;
 import stirling.software.SPDF.model.PipelineConfig;
 import stirling.software.SPDF.model.api.HandleDataRequest;
@@ -33,30 +31,39 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/pipeline")
+@Slf4j
 @Tag(name = "Pipeline", description = "Pipeline APIs")
 public class PipelineController {
 
-    private static final Logger logger = LoggerFactory.getLogger(PipelineController.class);
-
     final String watchedFoldersDir = "./pipeline/watchedFolders/";
+
     final String finishedFoldersDir = "./pipeline/finishedFolders/";
-    @Autowired PipelineProcessor processor;
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final PipelineProcessor processor;
 
-    @Autowired private ObjectMapper objectMapper;
+    private final ApplicationProperties applicationProperties;
+
+    private final ObjectMapper objectMapper;
+
+    public PipelineController(
+            PipelineProcessor processor,
+            ApplicationProperties applicationProperties,
+            ObjectMapper objectMapper) {
+        this.processor = processor;
+        this.applicationProperties = applicationProperties;
+        this.objectMapper = objectMapper;
+    }
 
     @PostMapping("/handleData")
     public ResponseEntity<byte[]> handleData(@ModelAttribute HandleDataRequest request)
             throws JsonMappingException, JsonProcessingException {
-
         MultipartFile[] files = request.getFileInput();
         String jsonString = request.getJson();
         if (files == null) {
             return null;
         }
         PipelineConfig config = objectMapper.readValue(jsonString, PipelineConfig.class);
-        logger.info("Received POST request to /handleData with {} files", files.length);
+        log.info("Received POST request to /handleData with {} files", files.length);
         try {
             List<Resource> inputFiles = processor.generateInputFiles(files);
             if (inputFiles == null || inputFiles.size() == 0) {
@@ -70,26 +77,21 @@ public class PipelineController {
                 byte[] bytes = new byte[(int) singleFile.contentLength()];
                 is.read(bytes);
                 is.close();
-
+                log.info("Returning single file response...");
-                logger.info("Returning single file response...");
                 return WebResponseUtils.bytesToWebResponse(
                         bytes, singleFile.getFilename(), MediaType.APPLICATION_OCTET_STREAM);
             } else if (outputFiles == null) {
                 return null;
             }
-
             // Create a ByteArrayOutputStream to hold the zip
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
             ZipOutputStream zipOut = new ZipOutputStream(baos);
-
             // A map to keep track of filenames and their counts
             Map<String, Integer> filenameCount = new HashMap<>();
-
             // Loop through each file and add it to the zip
             for (Resource file : outputFiles) {
                 String originalFilename = file.getFilename();
                 String filename = originalFilename;
-
                 // Check if the filename already exists, and modify it if necessary
                 if (filenameCount.containsKey(originalFilename)) {
                     int count = filenameCount.get(originalFilename);
@@ -100,29 +102,23 @@ public class PipelineController {
                 } else {
                     filenameCount.put(originalFilename, 1);
                 }
-
                 ZipEntry zipEntry = new ZipEntry(filename);
                 zipOut.putNextEntry(zipEntry);
-
                 // Read the file into a byte array
                 InputStream is = file.getInputStream();
                 byte[] bytes = new byte[(int) file.contentLength()];
                 is.read(bytes);
-
                 // Write the bytes of the file to the zip
                 zipOut.write(bytes, 0, bytes.length);
                 zipOut.closeEntry();
-
                 is.close();
             }
-
             zipOut.close();
-
+            log.info("Returning zipped file response...");
-            logger.info("Returning zipped file response...");
             return WebResponseUtils.boasToWebResponse(
                     baos, "output.zip", MediaType.APPLICATION_OCTET_STREAM);
         } catch (Exception e) {
-            logger.error("Error handling data: ", e);
+            log.error("Error handling data: ", e);
             return null;
         }
     }

src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineDirectoryProcessor.java

@@ -16,9 +16,6 @@ import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.core.io.ByteArrayResource;
 import org.springframework.core.io.Resource;
@@ -27,27 +24,40 @@ import org.springframework.stereotype.Service;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.PipelineConfig;
 import stirling.software.SPDF.model.PipelineOperation;
 import stirling.software.SPDF.utils.FileMonitor;
 
 @Service
+@Slf4j
 public class PipelineDirectoryProcessor {
 
-    private static final Logger logger = LoggerFactory.getLogger(PipelineDirectoryProcessor.class);
+    private final ObjectMapper objectMapper;
-    @Autowired private ObjectMapper objectMapper;
-    @Autowired private ApiDocService apiDocService;
-    @Autowired PipelineProcessor processor;
-    @Autowired FileMonitor fileMonitor;
 
-    final String watchedFoldersDir;
+    private final ApiDocService apiDocService;
-    final String finishedFoldersDir;
+
+    private final PipelineProcessor processor;
+
+    private final FileMonitor fileMonitor;
+
+    private final String watchedFoldersDir;
+
+    private final String finishedFoldersDir;
 
     public PipelineDirectoryProcessor(
+            ObjectMapper objectMapper,
+            ApiDocService apiDocService,
             @Qualifier("watchedFoldersDir") String watchedFoldersDir,
-            @Qualifier("finishedFoldersDir") String finishedFoldersDir) {
+            @Qualifier("finishedFoldersDir") String finishedFoldersDir,
+            PipelineProcessor processor,
+            FileMonitor fileMonitor) {
+        this.objectMapper = objectMapper;
+        this.apiDocService = apiDocService;
         this.watchedFoldersDir = watchedFoldersDir;
         this.finishedFoldersDir = finishedFoldersDir;
+        this.processor = processor;
+        this.fileMonitor = fileMonitor;
     }
 
     @Scheduled(fixedRate = 60000)
@@ -56,9 +66,9 @@ public class PipelineDirectoryProcessor {
         if (!Files.exists(watchedFolderPath)) {
             try {
                 Files.createDirectories(watchedFolderPath);
-                logger.info("Created directory: {}", watchedFolderPath);
+                log.info("Created directory: {}", watchedFolderPath);
             } catch (IOException e) {
-                logger.error("Error creating directory: {}", watchedFolderPath, e);
+                log.error("Error creating directory: {}", watchedFolderPath, e);
                 return;
             }
         }
@@ -71,24 +81,22 @@ public class PipelineDirectoryProcessor {
                                         handleDirectory(t);
                                     }
                                 } catch (Exception e) {
-                                    logger.error("Error handling directory: {}", t, e);
+                                    log.error("Error handling directory: {}", t, e);
                                 }
                             });
         } catch (Exception e) {
-            logger.error("Error walking through directory: {}", watchedFolderPath, e);
+            log.error("Error walking through directory: {}", watchedFolderPath, e);
         }
     }
 
     public void handleDirectory(Path dir) throws IOException {
-        logger.info("Handling directory: {}", dir);
+        log.info("Handling directory: {}", dir);
         Path processingDir = createProcessingDirectory(dir);
-
         Optional<Path> jsonFileOptional = findJsonFile(dir);
         if (!jsonFileOptional.isPresent()) {
-            logger.warn("No .JSON settings file found. No processing will happen for dir {}.", dir);
+            log.warn("No .JSON settings file found. No processing will happen for dir {}.", dir);
             return;
         }
-
         Path jsonFile = jsonFileOptional.get();
         PipelineConfig config = readAndParseJson(jsonFile);
         processPipelineOperations(dir, processingDir, jsonFile, config);
@@ -98,7 +106,7 @@ public class PipelineDirectoryProcessor {
         Path processingDir = dir.resolve("processing");
         if (!Files.exists(processingDir)) {
             Files.createDirectory(processingDir);
-            logger.info("Created processing directory: {}", processingDir);
+            log.info("Created processing directory: {}", processingDir);
         }
         return processingDir;
     }
@@ -111,7 +119,7 @@ public class PipelineDirectoryProcessor {
 
     private PipelineConfig readAndParseJson(Path jsonFile) throws IOException {
         String jsonString = new String(Files.readAllBytes(jsonFile), StandardCharsets.UTF_8);
-        logger.debug("Reading JSON file: {}", jsonFile);
+        log.debug("Reading JSON file: {}", jsonFile);
         return objectMapper.readValue(jsonString, PipelineConfig.class);
     }
 
@@ -121,7 +129,7 @@ public class PipelineDirectoryProcessor {
             validateOperation(operation);
             File[] files = collectFilesForProcessing(dir, jsonFile, operation);
             if (files == null || files.length == 0) {
-                logger.debug("No files detected for {} ", dir);
+                log.debug("No files detected for {} ", dir);
                 return;
             }
             List<File> filesToProcess = prepareFilesForProcessing(files, processingDir);
@@ -167,13 +175,11 @@ public class PipelineDirectoryProcessor {
     private Path resolveUniqueFilePath(Path directory, String originalFileName) {
         Path filePath = directory.resolve(originalFileName);
         int counter = 1;
-
         while (Files.exists(filePath)) {
             String newName = appendSuffixToFileName(originalFileName, "(" + counter + ")");
             filePath = directory.resolve(newName);
             counter++;
         }
-
         return filePath;
     }
 
@@ -202,7 +208,7 @@ public class PipelineDirectoryProcessor {
             moveAndRenameFiles(outputFiles, config, dir);
             deleteOriginalFiles(filesToProcess, processingDir);
         } catch (Exception e) {
-            logger.error("error during processing", e);
+            log.error("error during processing", e);
             moveFilesBack(filesToProcess, processingDir);
         }
     }
@@ -212,18 +218,15 @@ public class PipelineDirectoryProcessor {
         for (Resource resource : resources) {
             String outputFileName = createOutputFileName(resource, config);
             Path outputPath = determineOutputPath(config, dir);
-
             if (!Files.exists(outputPath)) {
                 Files.createDirectories(outputPath);
-                logger.info("Created directory: {}", outputPath);
+                log.info("Created directory: {}", outputPath);
             }
-
             Path outputFile = outputPath.resolve(outputFileName);
             try (OutputStream os = new FileOutputStream(outputFile.toFile())) {
                 os.write(((ByteArrayResource) resource).getByteArray());
             }
-
+            log.info("File moved and renamed to {}", outputFile);
-            logger.info("File moved and renamed to {}", outputFile);
         }
     }
 
@@ -231,7 +234,6 @@ public class PipelineDirectoryProcessor {
         String resourceName = resource.getFilename();
         String baseName = resourceName.substring(0, resourceName.lastIndexOf('.'));
         String extension = resourceName.substring(resourceName.lastIndexOf('.') + 1);
-
         String outputFileName =
                 config.getOutputPattern()
                                 .replace("{filename}", baseName)
@@ -246,7 +248,6 @@ public class PipelineDirectoryProcessor {
                                                 .format(DateTimeFormatter.ofPattern("HHmmss")))
                         + "."
                         + extension;
-
         return outputFileName;
     }
 
@@ -256,7 +257,6 @@ public class PipelineDirectoryProcessor {
                         .replace("{outputFolder}", finishedFoldersDir)
                         .replace("{folderName}", dir.toString())
                         .replaceAll("\\\\?watchedFolders", "");
-
         return Paths.get(outputDir).isAbsolute() ? Paths.get(outputDir) : Paths.get(".", outputDir);
     }
 
@@ -264,7 +264,7 @@ public class PipelineDirectoryProcessor {
             throws IOException {
         for (File file : filesToProcess) {
             Files.deleteIfExists(processingDir.resolve(file.getName()));
-            logger.info("Deleted original file: {}", file.getName());
+            log.info("Deleted original file: {}", file.getName());
         }
     }
 
@@ -272,12 +272,12 @@ public class PipelineDirectoryProcessor {
         for (File file : filesToProcess) {
             try {
                 Files.move(processingDir.resolve(file.getName()), file.toPath());
-                logger.info(
+                log.info(
                         "Moved file back to original location: {} , {}",
                         file.toPath(),
                         file.getName());
             } catch (IOException e) {
-                logger.error("Error moving file back to original location: {}", file.getName(), e);
+                log.error("Error moving file back to original location: {}", file.getName(), e);
             }
         }
     }

src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java

@@ -1,10 +1,6 @@
 package stirling.software.SPDF.controller.api.pipeline;
 
-import java.io.ByteArrayInputStream;
+import java.io.*;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.PrintStream;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -19,17 +15,10 @@ import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ByteArrayResource;
 import org.springframework.core.io.Resource;
-import org.springframework.http.HttpEntity;
+import org.springframework.http.*;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.MediaType;
-import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
@@ -40,22 +29,49 @@ import io.github.pixee.security.Filenames;
 import io.github.pixee.security.ZipSecurity;
 
 import jakarta.servlet.ServletContext;
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.SPdfApplication;
 import stirling.software.SPDF.model.PipelineConfig;
 import stirling.software.SPDF.model.PipelineOperation;
 import stirling.software.SPDF.model.Role;
 
 @Service
+@Slf4j
 public class PipelineProcessor {
 
-    private static final Logger logger = LoggerFactory.getLogger(PipelineProcessor.class);
+    private final ApiDocService apiDocService;
 
-    @Autowired private ApiDocService apiDocService;
+    private final UserServiceInterface userService;
 
-    @Autowired(required = false)
+    private final ServletContext servletContext;
-    private UserServiceInterface userService;
 
-    @Autowired private ServletContext servletContext;
+    public PipelineProcessor(
+            ApiDocService apiDocService,
+            @Autowired(required = false) UserServiceInterface userService,
+            ServletContext servletContext) {
+        this.apiDocService = apiDocService;
+        this.userService = userService;
+        this.servletContext = servletContext;
+    }
+
+    public static String removeTrailingNaming(String filename) {
+        // Splitting filename into name and extension
+        int dotIndex = filename.lastIndexOf(".");
+        if (dotIndex == -1) {
+            // No extension found
+            return filename;
+        }
+        String name = filename.substring(0, dotIndex);
+        String extension = filename.substring(dotIndex);
+        // Finding the last underscore
+        int underscoreIndex = name.lastIndexOf("_");
+        if (underscoreIndex == -1) {
+            // No underscore found
+            return filename;
+        }
+        // Removing the last part and reattaching the extension
+        return name.substring(0, underscoreIndex) + extension;
+    }
 
     private String getApiKeyForUser() {
         if (userService == null) return "";
@@ -65,23 +81,18 @@ public class PipelineProcessor {
     private String getBaseUrl() {
         String contextPath = servletContext.getContextPath();
         String port = SPdfApplication.getStaticPort();
-
         return "http://localhost:" + port + contextPath + "/";
     }
 
     List<Resource> runPipelineAgainstFiles(List<Resource> outputFiles, PipelineConfig config)
             throws Exception {
-
         ByteArrayOutputStream logStream = new ByteArrayOutputStream();
         PrintStream logPrintStream = new PrintStream(logStream);
-
         boolean hasErrors = false;
-
         for (PipelineOperation pipelineOperation : config.getOperations()) {
             String operation = pipelineOperation.getOperation();
             boolean isMultiInputOperation = apiDocService.isMultiInput(operation);
-
+            log.info(
-            logger.info(
                     "Running operation: {} isMultiInputOperation {}",
                     operation,
                     isMultiInputOperation);
@@ -91,9 +102,7 @@ public class PipelineProcessor {
                 inputFileTypes = new ArrayList<String>(Arrays.asList("ALL"));
             }
             // List outputFileTypes = apiDocService.getExtensionTypes(true, operation);
-
             String url = getBaseUrl() + operation;
-
             List<Resource> newOutputFiles = new ArrayList<>();
             if (!isMultiInputOperation) {
                 for (Resource file : outputFiles) {
@@ -103,7 +112,6 @@ public class PipelineProcessor {
                             hasInputFileType = true;
                             MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
                             body.add("fileInput", file);
-
                             for (Entry<String, Object> entry : parameters.entrySet()) {
                                 if (entry.getValue() instanceof List) {
                                     List<?> list = (List<?>) entry.getValue();
@@ -114,9 +122,7 @@ public class PipelineProcessor {
                                     body.add(entry.getKey(), entry.getValue());
                                 }
                             }
-
                             ResponseEntity<byte[]> response = sendWebRequest(url, body);
-
                             // If the operation is filter and the response body is null or empty,
                             // skip
                             // this
@@ -124,10 +130,9 @@ public class PipelineProcessor {
                             if (operation.startsWith("filter-")
                                     && (response.getBody() == null
                                             || response.getBody().length == 0)) {
-                                logger.info("Skipping file due to failing {}", operation);
+                                log.info("Skipping file due to failing {}", operation);
                                 continue;
                             }
-
                             if (!response.getStatusCode().equals(HttpStatus.OK)) {
                                 logPrintStream.println("Error: " + response.getBody());
                                 hasErrors = true;
@@ -136,7 +141,6 @@ public class PipelineProcessor {
                             processOutputFiles(operation, response, newOutputFiles);
                         }
                     }
-
                     if (!hasInputFileType) {
                         logPrintStream.println(
                                 "No files with extension "
@@ -146,7 +150,6 @@ public class PipelineProcessor {
                         hasErrors = true;
                     }
                 }
-
             } else {
                 // Filter and collect all files that match the inputFileExtension
                 List<Resource> matchingFiles;
@@ -162,17 +165,14 @@ public class PipelineProcessor {
                                                             .anyMatch(file.getFilename()::endsWith))
                                     .collect(Collectors.toList());
                 }
-
                 // Check if there are matching files
                 if (!matchingFiles.isEmpty()) {
                     // Create a new MultiValueMap for the request body
                     MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
-
                     // Add all matching files to the body
                     for (Resource file : matchingFiles) {
                         body.add("fileInput", file);
                     }
-
                     for (Entry<String, Object> entry : parameters.entrySet()) {
                         if (entry.getValue() instanceof List) {
                             List<?> list = (List<?>) entry.getValue();
@@ -183,9 +183,7 @@ public class PipelineProcessor {
                             body.add(entry.getKey(), entry.getValue());
                         }
                     }
-
                     ResponseEntity<byte[]> response = sendWebRequest(url, body);
-
                     // Handle the response
                     if (response.getStatusCode().equals(HttpStatus.OK)) {
                         processOutputFiles(operation, response, newOutputFiles);
@@ -208,50 +206,24 @@ public class PipelineProcessor {
             outputFiles = newOutputFiles;
         }
         if (hasErrors) {
-            logger.error("Errors occurred during processing. Log: {}", logStream.toString());
+            log.error("Errors occurred during processing. Log: {}", logStream.toString());
         }
-
         return outputFiles;
     }
 
     private ResponseEntity<byte[]> sendWebRequest(String url, MultiValueMap<String, Object> body) {
         RestTemplate restTemplate = new RestTemplate();
-
         // Set up headers, including API key
-
         HttpHeaders headers = new HttpHeaders();
         String apiKey = getApiKeyForUser();
         headers.add("X-API-KEY", apiKey);
         headers.setContentType(MediaType.MULTIPART_FORM_DATA);
-
         // Create HttpEntity with the body and headers
         HttpEntity<MultiValueMap<String, Object>> entity = new HttpEntity<>(body, headers);
-
         // Make the request to the REST endpoint
         return restTemplate.exchange(url, HttpMethod.POST, entity, byte[].class);
     }
 
-    public static String removeTrailingNaming(String filename) {
-        // Splitting filename into name and extension
-        int dotIndex = filename.lastIndexOf(".");
-        if (dotIndex == -1) {
-            // No extension found
-            return filename;
-        }
-        String name = filename.substring(0, dotIndex);
-        String extension = filename.substring(dotIndex);
-
-        // Finding the last underscore
-        int underscoreIndex = name.lastIndexOf("_");
-        if (underscoreIndex == -1) {
-            // No underscore found
-            return filename;
-        }
-
-        // Removing the last part and reattaching the extension
-        return name.substring(0, underscoreIndex) + extension;
-    }
-
     private List<Resource> processOutputFiles(
             String operation, ResponseEntity<byte[]> response, List<Resource> newOutputFiles)
             throws IOException {
@@ -261,13 +233,11 @@ public class PipelineProcessor {
             // If the operation is "auto-rename", generate a new filename.
             // This is a simple example of generating a filename using current timestamp.
             // Modify as per your needs.
-
             newFilename = extractFilename(response);
         } else {
             // Otherwise, keep the original filename.
             newFilename = removeTrailingNaming(extractFilename(response));
         }
-
         // Check if the response body is a zip file
         if (isZip(response.getBody())) {
             // Unzip the file and add all the files to the new output files
@@ -275,6 +245,7 @@ public class PipelineProcessor {
         } else {
             Resource outputResource =
                     new ByteArrayResource(response.getBody()) {
+
                         @Override
                         public String getFilename() {
                             return newFilename;
@@ -282,16 +253,14 @@ public class PipelineProcessor {
                     };
             newOutputFiles.add(outputResource);
         }
-
         return newOutputFiles;
     }
 
     public String extractFilename(ResponseEntity<byte[]> response) {
-        String filename = "default-filename.ext"; // Default filename if not found
+        // Default filename if not found
-
+        String filename = "default-filename.ext";
         HttpHeaders headers = response.getHeaders();
         String contentDisposition = headers.getFirst(HttpHeaders.CONTENT_DISPOSITION);
-
         if (contentDisposition != null && !contentDisposition.isEmpty()) {
             String[] parts = contentDisposition.split(";");
             for (String part : parts) {
@@ -299,30 +268,27 @@ public class PipelineProcessor {
                     // Extracts filename and removes quotes if present
                     filename = part.split("=")[1].trim().replace("\"", "");
                     filename = URLDecoder.decode(filename, StandardCharsets.UTF_8);
-
                     break;
                 }
             }
         }
-
         return filename;
     }
 
     List<Resource> generateInputFiles(File[] files) throws Exception {
         if (files == null || files.length == 0) {
-            logger.info("No files");
+            log.info("No files");
             return null;
         }
-
         List<Resource> outputFiles = new ArrayList<>();
-
         for (File file : files) {
             Path path = Paths.get(file.getAbsolutePath());
-            logger.info("Reading file: " + path); // debug statement
+            // debug statement
-
+            log.info("Reading file: " + path);
             if (Files.exists(path)) {
                 Resource fileResource =
                         new ByteArrayResource(Files.readAllBytes(path)) {
+
                             @Override
                             public String getFilename() {
                                 return file.getName();
@@ -330,24 +296,23 @@ public class PipelineProcessor {
                         };
                 outputFiles.add(fileResource);
             } else {
-                logger.info("File not found: " + path);
+                log.info("File not found: " + path);
             }
         }
-        logger.info("Files successfully loaded. Starting processing...");
+        log.info("Files successfully loaded. Starting processing...");
         return outputFiles;
     }
 
     List<Resource> generateInputFiles(MultipartFile[] files) throws Exception {
         if (files == null || files.length == 0) {
-            logger.info("No files");
+            log.info("No files");
             return null;
         }
-
         List<Resource> outputFiles = new ArrayList<>();
-
         for (MultipartFile file : files) {
             Resource fileResource =
                     new ByteArrayResource(file.getBytes()) {
+
                         @Override
                         public String getFilename() {
                             return Filenames.toSimpleFileName(file.getOriginalFilename());
@@ -355,7 +320,7 @@ public class PipelineProcessor {
                     };
             outputFiles.add(fileResource);
         }
-        logger.info("Files successfully loaded. Starting processing...");
+        log.info("Files successfully loaded. Starting processing...");
         return outputFiles;
     }
 
@@ -363,48 +328,42 @@ public class PipelineProcessor {
         if (data == null || data.length < 4) {
             return false;
         }
-
         // Check the first four bytes of the data against the standard zip magic number
         return data[0] == 0x50 && data[1] == 0x4B && data[2] == 0x03 && data[3] == 0x04;
     }
 
     private List<Resource> unzip(byte[] data) throws IOException {
-        logger.info("Unzipping data of length: {}", data.length);
+        log.info("Unzipping data of length: {}", data.length);
         List<Resource> unzippedFiles = new ArrayList<>();
-
         try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
                 ZipInputStream zis = ZipSecurity.createHardenedInputStream(bais)) {
-
             ZipEntry entry;
             while ((entry = zis.getNextEntry()) != null) {
                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
                 byte[] buffer = new byte[1024];
                 int count;
-
                 while ((count = zis.read(buffer)) != -1) {
                     baos.write(buffer, 0, count);
                 }
-
                 final String filename = entry.getName();
                 Resource fileResource =
                         new ByteArrayResource(baos.toByteArray()) {
+
                             @Override
                             public String getFilename() {
                                 return filename;
                             }
                         };
-
                 // If the unzipped file is a zip file, unzip it
                 if (isZip(baos.toByteArray())) {
-                    logger.info("File {} is a zip file. Unzipping...", filename);
+                    log.info("File {} is a zip file. Unzipping...", filename);
                     unzippedFiles.addAll(unzip(baos.toByteArray()));
                 } else {
                     unzippedFiles.add(fileResource);
                 }
             }
         }
-
+        log.info("Unzipping completed. {} files were unzipped.", unzippedFiles.size());
-        logger.info("Unzipping completed. {} files were unzipped.", unzippedFiles.size());
         return unzippedFiles;
     }
 }

src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java

@@ -1,20 +1,9 @@
 package stirling.software.SPDF.controller.api.security;
 
-import java.awt.Color;
+import java.awt.*;
-import java.io.ByteArrayInputStream;
+import java.io.*;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
 import java.nio.file.Files;
-import java.security.KeyStore;
+import java.security.*;
-import java.security.KeyStoreException;
-import java.security.NoSuchAlgorithmException;
-import java.security.PrivateKey;
-import java.security.Security;
-import java.security.UnrecoverableKeyException;
 import java.security.cert.Certificate;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
@@ -63,8 +52,6 @@ import org.bouncycastle.operator.InputDecryptorProvider;
 import org.bouncycastle.operator.OperatorCreationException;
 import org.bouncycastle.pkcs.PKCS8EncryptedPrivateKeyInfo;
 import org.bouncycastle.pkcs.PKCSException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.http.ResponseEntity;
@@ -78,21 +65,166 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.security.SignPDFWithCertRequest;
 import stirling.software.SPDF.service.CustomPDDocumentFactory;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/security")
+@Slf4j
 @Tag(name = "Security", description = "Security APIs")
 public class CertSignController {
 
-    private static final Logger logger = LoggerFactory.getLogger(CertSignController.class);
-
     static {
         Security.addProvider(new BouncyCastleProvider());
     }
 
+    private final CustomPDDocumentFactory pdfDocumentFactory;
+
+    @Autowired
+    public CertSignController(CustomPDDocumentFactory pdfDocumentFactory) {
+        this.pdfDocumentFactory = pdfDocumentFactory;
+    }
+
+    private static void sign(
+            CustomPDDocumentFactory pdfDocumentFactory,
+            byte[] input,
+            OutputStream output,
+            CreateSignature instance,
+            Boolean showSignature,
+            Integer pageNumber,
+            String name,
+            String location,
+            String reason,
+            Boolean showLogo) {
+        try (PDDocument doc = pdfDocumentFactory.load(input)) {
+            PDSignature signature = new PDSignature();
+            signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
+            signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
+            signature.setName(name);
+            signature.setLocation(location);
+            signature.setReason(reason);
+            signature.setSignDate(Calendar.getInstance());
+
+            if (showSignature) {
+                SignatureOptions signatureOptions = new SignatureOptions();
+                signatureOptions.setVisualSignature(
+                        instance.createVisibleSignature(doc, signature, pageNumber, showLogo));
+                signatureOptions.setPage(pageNumber);
+
+                doc.addSignature(signature, instance, signatureOptions);
+
+            } else {
+                doc.addSignature(signature, instance);
+            }
+            doc.saveIncremental(output);
+        } catch (Exception e) {
+            log.error("exception", e);
+        }
+    }
+
+    @PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
+    @Operation(
+            summary = "Sign PDF with a Digital Certificate",
+            description =
+                    "This endpoint accepts a PDF file, a digital certificate and related information to sign"
+                            + " the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF"
+                            + " Type:SISO")
+    public ResponseEntity<byte[]> signPDFWithCert(@ModelAttribute SignPDFWithCertRequest request)
+            throws Exception {
+        MultipartFile pdf = request.getFileInput();
+        String certType = request.getCertType();
+        MultipartFile privateKeyFile = request.getPrivateKeyFile();
+        MultipartFile certFile = request.getCertFile();
+        MultipartFile p12File = request.getP12File();
+        MultipartFile jksfile = request.getJksFile();
+        String password = request.getPassword();
+        Boolean showSignature = request.isShowSignature();
+        String reason = request.getReason();
+        String location = request.getLocation();
+        String name = request.getName();
+        Integer pageNumber = request.getPageNumber() - 1;
+        Boolean showLogo = request.isShowLogo();
+
+        if (certType == null) {
+            throw new IllegalArgumentException("Cert type must be provided");
+        }
+
+        KeyStore ks = null;
+
+        switch (certType) {
+            case "PEM":
+                ks = KeyStore.getInstance("JKS");
+                ks.load(null);
+                PrivateKey privateKey = getPrivateKeyFromPEM(privateKeyFile.getBytes(), password);
+                Certificate cert = (Certificate) getCertificateFromPEM(certFile.getBytes());
+                ks.setKeyEntry(
+                        "alias", privateKey, password.toCharArray(), new Certificate[] {cert});
+                break;
+            case "PKCS12":
+                ks = KeyStore.getInstance("PKCS12");
+                ks.load(p12File.getInputStream(), password.toCharArray());
+                break;
+            case "JKS":
+                ks = KeyStore.getInstance("JKS");
+                ks.load(jksfile.getInputStream(), password.toCharArray());
+                break;
+            default:
+                throw new IllegalArgumentException("Invalid cert type: " + certType);
+        }
+
+        CreateSignature createSignature = new CreateSignature(ks, password.toCharArray());
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        sign(
+                pdfDocumentFactory,
+                pdf.getBytes(),
+                baos,
+                createSignature,
+                showSignature,
+                pageNumber,
+                name,
+                location,
+                reason,
+                showLogo);
+        return WebResponseUtils.boasToWebResponse(
+                baos,
+                Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_signed.pdf");
+    }
+
+    private PrivateKey getPrivateKeyFromPEM(byte[] pemBytes, String password)
+            throws IOException, OperatorCreationException, PKCSException {
+        try (PEMParser pemParser =
+                new PEMParser(new InputStreamReader(new ByteArrayInputStream(pemBytes)))) {
+            Object pemObject = pemParser.readObject();
+            JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
+            PrivateKeyInfo pkInfo;
+            if (pemObject instanceof PKCS8EncryptedPrivateKeyInfo) {
+                InputDecryptorProvider decProv =
+                        new JceOpenSSLPKCS8DecryptorProviderBuilder().build(password.toCharArray());
+                pkInfo = ((PKCS8EncryptedPrivateKeyInfo) pemObject).decryptPrivateKeyInfo(decProv);
+            } else if (pemObject instanceof PEMEncryptedKeyPair) {
+                PEMDecryptorProvider decProv =
+                        new JcePEMDecryptorProviderBuilder().build(password.toCharArray());
+                pkInfo =
+                        ((PEMEncryptedKeyPair) pemObject)
+                                .decryptKeyPair(decProv)
+                                .getPrivateKeyInfo();
+            } else {
+                pkInfo = ((PEMKeyPair) pemObject).getPrivateKeyInfo();
+            }
+            return converter.getPrivateKey(pkInfo);
+        }
+    }
+
+    private Certificate getCertificateFromPEM(byte[] pemBytes)
+            throws IOException, CertificateException {
+        try (ByteArrayInputStream bis = new ByteArrayInputStream(pemBytes)) {
+            return CertificateFactory.getInstance("X.509").generateCertificate(bis);
+        }
+    }
+
     class CreateSignature extends CreateSignatureBase {
         File logoFile;
 
@@ -108,7 +240,7 @@ public class CertSignController {
                 logoFile = Files.createTempFile("signature", ".png").toFile();
                 FileUtils.copyInputStreamToFile(is, logoFile);
             } catch (IOException e) {
-                logger.error("Failed to load image signature file");
+                log.error("Failed to load image signature file");
                 throw e;
             }
         }
@@ -200,147 +332,4 @@ public class CertSignController {
             }
         }
     }
-
-    private final CustomPDDocumentFactory pdfDocumentFactory;
-
-    @Autowired
-    public CertSignController(CustomPDDocumentFactory pdfDocumentFactory) {
-        this.pdfDocumentFactory = pdfDocumentFactory;
-    }
-
-    @PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
-    @Operation(
-            summary = "Sign PDF with a Digital Certificate",
-            description =
-                    "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF Type:SISO")
-    public ResponseEntity<byte[]> signPDFWithCert(@ModelAttribute SignPDFWithCertRequest request)
-            throws Exception {
-        MultipartFile pdf = request.getFileInput();
-        String certType = request.getCertType();
-        MultipartFile privateKeyFile = request.getPrivateKeyFile();
-        MultipartFile certFile = request.getCertFile();
-        MultipartFile p12File = request.getP12File();
-        MultipartFile jksfile = request.getJksFile();
-        String password = request.getPassword();
-        Boolean showSignature = request.isShowSignature();
-        String reason = request.getReason();
-        String location = request.getLocation();
-        String name = request.getName();
-        Integer pageNumber = request.getPageNumber() - 1;
-        Boolean showLogo = request.isShowLogo();
-
-        if (certType == null) {
-            throw new IllegalArgumentException("Cert type must be provided");
-        }
-
-        KeyStore ks = null;
-
-        switch (certType) {
-            case "PEM":
-                ks = KeyStore.getInstance("JKS");
-                ks.load(null);
-                PrivateKey privateKey = getPrivateKeyFromPEM(privateKeyFile.getBytes(), password);
-                Certificate cert = (Certificate) getCertificateFromPEM(certFile.getBytes());
-                ks.setKeyEntry(
-                        "alias", privateKey, password.toCharArray(), new Certificate[] {cert});
-                break;
-            case "PKCS12":
-                ks = KeyStore.getInstance("PKCS12");
-                ks.load(p12File.getInputStream(), password.toCharArray());
-                break;
-            case "JKS":
-                ks = KeyStore.getInstance("JKS");
-                ks.load(jksfile.getInputStream(), password.toCharArray());
-                break;
-            default:
-                throw new IllegalArgumentException("Invalid cert type: " + certType);
-        }
-
-        CreateSignature createSignature = new CreateSignature(ks, password.toCharArray());
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        sign(
-                pdfDocumentFactory,
-                pdf.getBytes(),
-                baos,
-                createSignature,
-                showSignature,
-                pageNumber,
-                name,
-                location,
-                reason,
-                showLogo);
-        return WebResponseUtils.boasToWebResponse(
-                baos,
-                Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
-                        + "_signed.pdf");
-    }
-
-    private static void sign(
-            CustomPDDocumentFactory pdfDocumentFactory,
-            byte[] input,
-            OutputStream output,
-            CreateSignature instance,
-            Boolean showSignature,
-            Integer pageNumber,
-            String name,
-            String location,
-            String reason,
-            Boolean showLogo) {
-        try (PDDocument doc = pdfDocumentFactory.load(input)) {
-            PDSignature signature = new PDSignature();
-            signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
-            signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
-            signature.setName(name);
-            signature.setLocation(location);
-            signature.setReason(reason);
-            signature.setSignDate(Calendar.getInstance());
-
-            if (showSignature) {
-                SignatureOptions signatureOptions = new SignatureOptions();
-                signatureOptions.setVisualSignature(
-                        instance.createVisibleSignature(doc, signature, pageNumber, showLogo));
-                signatureOptions.setPage(pageNumber);
-
-                doc.addSignature(signature, instance, signatureOptions);
-
-            } else {
-                doc.addSignature(signature, instance);
-            }
-            doc.saveIncremental(output);
-        } catch (Exception e) {
-            logger.error("exception", e);
-        }
-    }
-
-    private PrivateKey getPrivateKeyFromPEM(byte[] pemBytes, String password)
-            throws IOException, OperatorCreationException, PKCSException {
-        try (PEMParser pemParser =
-                new PEMParser(new InputStreamReader(new ByteArrayInputStream(pemBytes)))) {
-            Object pemObject = pemParser.readObject();
-            JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
-            PrivateKeyInfo pkInfo;
-            if (pemObject instanceof PKCS8EncryptedPrivateKeyInfo) {
-                InputDecryptorProvider decProv =
-                        new JceOpenSSLPKCS8DecryptorProviderBuilder().build(password.toCharArray());
-                pkInfo = ((PKCS8EncryptedPrivateKeyInfo) pemObject).decryptPrivateKeyInfo(decProv);
-            } else if (pemObject instanceof PEMEncryptedKeyPair) {
-                PEMDecryptorProvider decProv =
-                        new JcePEMDecryptorProviderBuilder().build(password.toCharArray());
-                pkInfo =
-                        ((PEMEncryptedKeyPair) pemObject)
-                                .decryptKeyPair(decProv)
-                                .getPrivateKeyInfo();
-            } else {
-                pkInfo = ((PEMKeyPair) pemObject).getPrivateKeyInfo();
-            }
-            return converter.getPrivateKey(pkInfo);
-        }
-    }
-
-    private Certificate getCertificateFromPEM(byte[] pemBytes)
-            throws IOException, CertificateException {
-        try (ByteArrayInputStream bis = new ByteArrayInputStream(pemBytes)) {
-            return CertificateFactory.getInstance("X.509").generateCertificate(bis);
-        }
-    }
 }

src/main/java/stirling/software/SPDF/controller/api/security/GetInfoOnPDF.java

@@ -4,25 +4,13 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
-import java.util.Calendar;
+import java.util.*;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.cos.COSInputStream;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.cos.COSString;
-import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.*;
-import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
-import org.apache.pdfbox.pdmodel.PDDocumentInformation;
-import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary;
-import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
-import org.apache.pdfbox.pdmodel.PDJavascriptNameTreeNode;
-import org.apache.pdfbox.pdmodel.PDPage;
-import org.apache.pdfbox.pdmodel.PDResources;
 import org.apache.pdfbox.pdmodel.common.PDMetadata;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.common.PDStream;
@@ -56,8 +44,6 @@ import org.apache.xmpbox.XMPMetadata;
 import org.apache.xmpbox.xml.DomXmpParser;
 import org.apache.xmpbox.xml.XmpParsingException;
 import org.apache.xmpbox.xml.XmpSerializer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -73,18 +59,60 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.api.PDFFile;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/security")
+@Slf4j
 @Tag(name = "Security", description = "Security APIs")
 public class GetInfoOnPDF {
 
-    private static final Logger logger = LoggerFactory.getLogger(GetInfoOnPDF.class);
-
     static ObjectMapper objectMapper = new ObjectMapper();
 
+    private static void addOutlinesToArray(PDOutlineItem outline, ArrayNode arrayNode) {
+        if (outline == null) return;
+
+        ObjectNode outlineNode = objectMapper.createObjectNode();
+        outlineNode.put("Title", outline.getTitle());
+        // You can add other properties if needed
+        arrayNode.add(outlineNode);
+
+        PDOutlineItem child = outline.getFirstChild();
+        while (child != null) {
+            addOutlinesToArray(child, arrayNode);
+            child = child.getNextSibling();
+        }
+    }
+
+    public static boolean checkForStandard(PDDocument document, String standardKeyword) {
+        // Check XMP Metadata
+        try {
+            PDMetadata pdMetadata = document.getDocumentCatalog().getMetadata();
+            if (pdMetadata != null) {
+                COSInputStream metaStream = pdMetadata.createInputStream();
+                DomXmpParser domXmpParser = new DomXmpParser();
+                XMPMetadata xmpMeta = domXmpParser.parse(metaStream);
+
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                new XmpSerializer().serialize(xmpMeta, baos, true);
+                String xmpString = new String(baos.toByteArray(), StandardCharsets.UTF_8);
+
+                if (xmpString.contains(standardKeyword)) {
+                    return true;
+                }
+            }
+        } catch (
+                Exception
+                        e) { // Catching general exception for brevity, ideally you'd catch specific
+            // exceptions.
+            log.error("exception", e);
+        }
+
+        return false;
+    }
+
     @PostMapping(consumes = "multipart/form-data", value = "/get-info-on-pdf")
     @Operation(summary = "Summary here", description = "desc. Input:PDF Output:JSON Type:SISO")
     public ResponseEntity<byte[]> getPdfInfo(@ModelAttribute PDFFile request) throws IOException {
@@ -224,7 +252,7 @@ public class GetInfoOnPDF {
                             javascriptArray.add(jsNode);
                         }
                     } catch (IOException e) {
-                        logger.error("exception", e);
+                        log.error("exception", e);
                     }
                 }
             }
@@ -257,7 +285,7 @@ public class GetInfoOnPDF {
                 }
             } catch (Exception e) {
                 // TODO Auto-generated catch block
-                logger.error("exception", e);
+                log.error("exception", e);
             }
 
             boolean isPdfACompliant = checkForStandard(pdfBoxDoc, "PDF/A");
@@ -309,7 +337,7 @@ public class GetInfoOnPDF {
                     new XmpSerializer().serialize(xmpMeta, os, true);
                     xmpString = new String(os.toByteArray(), StandardCharsets.UTF_8);
                 } catch (XmpParsingException | IOException e) {
-                    logger.error("exception", e);
+                    log.error("exception", e);
                 }
             }
 
@@ -585,7 +613,7 @@ public class GetInfoOnPDF {
                     MediaType.APPLICATION_JSON);
 
         } catch (Exception e) {
-            logger.error("exception", e);
+            log.error("exception", e);
         }
         return null;
     }
@@ -608,21 +636,6 @@ public class GetInfoOnPDF {
         return state ? "Allowed" : "Not Allowed";
     }
 
-    private static void addOutlinesToArray(PDOutlineItem outline, ArrayNode arrayNode) {
-        if (outline == null) return;
-
-        ObjectNode outlineNode = objectMapper.createObjectNode();
-        outlineNode.put("Title", outline.getTitle());
-        // You can add other properties if needed
-        arrayNode.add(outlineNode);
-
-        PDOutlineItem child = outline.getFirstChild();
-        while (child != null) {
-            addOutlinesToArray(child, arrayNode);
-            child = child.getNextSibling();
-        }
-    }
-
     public String getPageOrientation(double width, double height) {
         if (width > height) {
             return "Landscape";
@@ -680,33 +693,6 @@ public class GetInfoOnPDF {
         return dimensionInfo;
     }
 
-    public static boolean checkForStandard(PDDocument document, String standardKeyword) {
-        // Check XMP Metadata
-        try {
-            PDMetadata pdMetadata = document.getDocumentCatalog().getMetadata();
-            if (pdMetadata != null) {
-                COSInputStream metaStream = pdMetadata.createInputStream();
-                DomXmpParser domXmpParser = new DomXmpParser();
-                XMPMetadata xmpMeta = domXmpParser.parse(metaStream);
-
-                ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                new XmpSerializer().serialize(xmpMeta, baos, true);
-                String xmpString = new String(baos.toByteArray(), StandardCharsets.UTF_8);
-
-                if (xmpString.contains(standardKeyword)) {
-                    return true;
-                }
-            }
-        } catch (
-                Exception
-                        e) { // Catching general exception for brevity, ideally you'd catch specific
-            // exceptions.
-            logger.error("exception", e);
-        }
-
-        return false;
-    }
-
     public ArrayNode exploreStructureTree(List<Object> nodes) {
         ArrayNode elementsArray = objectMapper.createArrayNode();
         if (nodes != null) {

src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java

@@ -5,8 +5,6 @@ import java.io.IOException;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
 import org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -29,8 +27,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Security", description = "Security APIs")
 public class PasswordController {
 
-    private static final Logger logger = LoggerFactory.getLogger(PasswordController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -39,7 +35,11 @@ public class PasswordController {
     }
 
     @PostMapping(consumes = "multipart/form-data", value = "/remove-password")
-    @Operation(summary = "Remove password from a PDF file", description = "This endpoint removes the password from a protected PDF file. Users need to provide the existing password. Input:PDF Output:PDF Type:SISO")
+    @Operation(
+            summary = "Remove password from a PDF file",
+            description =
+                    "This endpoint removes the password from a protected PDF file. Users need to provide the"
+                            + " existing password. Input:PDF Output:PDF Type:SISO")
     public ResponseEntity<byte[]> removePassword(@ModelAttribute PDFPasswordRequest request)
             throws IOException {
         MultipartFile fileInput = request.getFileInput();
@@ -49,12 +49,16 @@ public class PasswordController {
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
                 Filenames.toSimpleFileName(fileInput.getOriginalFilename())
-                        .replaceFirst("[.][^.]+$", "")
+                                .replaceFirst("[.][^.]+$", "")
                         + "_password_removed.pdf");
     }
 
     @PostMapping(consumes = "multipart/form-data", value = "/add-password")
-    @Operation(summary = "Add password to a PDF file", description = "This endpoint adds password protection to a PDF file. Users can specify a set of permissions that should be applied to the file. Input:PDF Output:PDF")
+    @Operation(
+            summary = "Add password to a PDF file",
+            description =
+                    "This endpoint adds password protection to a PDF file. Users can specify a set of"
+                            + " permissions that should be applied to the file. Input:PDF Output:PDF")
     public ResponseEntity<byte[]> addPassword(@ModelAttribute AddPasswordRequest request)
             throws IOException {
         MultipartFile fileInput = request.getFileInput();
@@ -92,12 +96,12 @@ public class PasswordController {
             return WebResponseUtils.pdfDocToWebResponse(
                     document,
                     Filenames.toSimpleFileName(fileInput.getOriginalFilename())
-                            .replaceFirst("[.][^.]+$", "")
+                                    .replaceFirst("[.][^.]+$", "")
                             + "_permissions.pdf");
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
                 Filenames.toSimpleFileName(fileInput.getOriginalFilename())
-                        .replaceFirst("[.][^.]+$", "")
+                                .replaceFirst("[.][^.]+$", "")
                         + "_passworded.pdf");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java

@@ -1,6 +1,6 @@
 package stirling.software.SPDF.controller.api.security;
 
-import java.awt.Color;
+import java.awt.*;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.List;
@@ -8,8 +8,6 @@ import java.util.List;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -22,6 +20,7 @@ import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.PDFText;
 import stirling.software.SPDF.model.api.security.RedactPdfRequest;
 import stirling.software.SPDF.pdf.TextFinder;
@@ -31,11 +30,10 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
 @RequestMapping("/api/v1/security")
+@Slf4j
 @Tag(name = "Security", description = "Security APIs")
 public class RedactController {
 
-    private static final Logger logger = LoggerFactory.getLogger(RedactController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -47,7 +45,8 @@ public class RedactController {
     @Operation(
             summary = "Redacts listOfText in a PDF document",
             description =
-                    "This operation takes an input PDF file and redacts the provided listOfText. Input:PDF, Output:PDF, Type:SISO")
+                    "This operation takes an input PDF file and redacts the provided listOfText. Input:PDF,"
+                            + " Output:PDF, Type:SISO")
     public ResponseEntity<byte[]> redactPdf(@ModelAttribute RedactPdfRequest request)
             throws Exception {
         MultipartFile file = request.getFileInput();
@@ -68,7 +67,7 @@ public class RedactController {
             }
             redactColor = Color.decode(colorString);
         } catch (NumberFormatException e) {
-            logger.warn("Invalid color string provided. Using default color BLACK for redaction.");
+            log.warn("Invalid color string provided. Using default color BLACK for redaction.");
             redactColor = Color.BLACK;
         }
 

src/main/java/stirling/software/SPDF/controller/api/security/RemoveCertSignController.java

@@ -8,8 +8,6 @@ import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
 import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
 import org.apache.pdfbox.pdmodel.interactive.form.PDField;
 import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -31,8 +29,6 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Security", description = "Security APIs")
 public class RemoveCertSignController {
 
-    private static final Logger logger = LoggerFactory.getLogger(RemoveCertSignController.class);
-
     private final CustomPDDocumentFactory pdfDocumentFactory;
 
     @Autowired
@@ -44,7 +40,8 @@ public class RemoveCertSignController {
     @Operation(
             summary = "Remove digital signature from PDF",
             description =
-                    "This endpoint accepts a PDF file and returns the PDF file without the digital signature. Input: PDF, Output: PDF")
+                    "This endpoint accepts a PDF file and returns the PDF file without the digital signature."
+                            + " Input: PDF, Output: PDF")
     public ResponseEntity<byte[]> removeCertSignPDF(@ModelAttribute PDFFile request)
             throws Exception {
         MultipartFile pdf = request.getFileInput();

src/main/java/stirling/software/SPDF/controller/api/security/SanitizeController.java

@@ -4,17 +4,9 @@ import java.io.IOException;
 
 import org.apache.pdfbox.cos.COSDictionary;
 import org.apache.pdfbox.cos.COSName;
-import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.*;
-import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
-import org.apache.pdfbox.pdmodel.PDPage;
-import org.apache.pdfbox.pdmodel.PDPageTree;
-import org.apache.pdfbox.pdmodel.PDResources;
 import org.apache.pdfbox.pdmodel.common.PDMetadata;
-import org.apache.pdfbox.pdmodel.interactive.action.PDAction;
+import org.apache.pdfbox.pdmodel.interactive.action.*;
-import org.apache.pdfbox.pdmodel.interactive.action.PDActionJavaScript;
-import org.apache.pdfbox.pdmodel.interactive.action.PDActionLaunch;
-import org.apache.pdfbox.pdmodel.interactive.action.PDActionURI;
-import org.apache.pdfbox.pdmodel.interactive.action.PDFormFieldAdditionalActions;
 import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
 import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink;
 import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;

src/main/java/stirling/software/SPDF/controller/api/security/ValidateSignatureController.java

@@ -14,11 +14,7 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
 import org.bouncycastle.cert.X509CertificateHolder;
 import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
-import org.bouncycastle.cms.CMSProcessable;
+import org.bouncycastle.cms.*;
-import org.bouncycastle.cms.CMSProcessableByteArray;
-import org.bouncycastle.cms.CMSSignedData;
-import org.bouncycastle.cms.SignerInformation;
-import org.bouncycastle.cms.SignerInformationStore;
 import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
 import org.bouncycastle.util.Store;
 import org.springframework.beans.factory.annotation.Autowired;

src/main/java/stirling/software/SPDF/controller/api/security/WatermarkController.java

@@ -1,6 +1,6 @@
 package stirling.software.SPDF.controller.api.security;
 
-import java.awt.Color;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.FileOutputStream;

src/main/java/stirling/software/SPDF/controller/web/AccountWebController.java

@@ -5,7 +5,6 @@ import java.time.temporal.ChronoUnit;
 import java.util.*;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.userdetails.UserDetails;
@@ -38,24 +37,30 @@ import stirling.software.SPDF.repository.UserRepository;
 @Tag(name = "Account Security", description = "Account Security APIs")
 public class AccountWebController {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
-    @Autowired SessionPersistentRegistry sessionPersistentRegistry;
 
-    @Autowired
+    private final SessionPersistentRegistry sessionPersistentRegistry;
-    private UserRepository userRepository; // Assuming you have a repository for user operations
+
+    private final UserRepository // Assuming you have a repository for user operations
+            userRepository;
+
+    public AccountWebController(
+            ApplicationProperties applicationProperties,
+            SessionPersistentRegistry sessionPersistentRegistry,
+            UserRepository userRepository) {
+        this.applicationProperties = applicationProperties;
+        this.sessionPersistentRegistry = sessionPersistentRegistry;
+        this.userRepository = userRepository;
+    }
 
     @GetMapping("/login")
     public String login(HttpServletRequest request, Model model, Authentication authentication) {
-
         // If the user is already authenticated, redirect them to the home page.
         if (authentication != null && authentication.isAuthenticated()) {
             return "redirect:/";
         }
-
         Map<String, String> providerList = new HashMap<>();
-
         Security securityProps = applicationProperties.getSecurity();
-
         OAUTH2 oauth = securityProps.getOauth2();
         if (oauth != null) {
             if (oauth.getEnabled()) {
@@ -70,14 +75,12 @@ public class AccountWebController {
                                 "/oauth2/authorization/" + google.getName(),
                                 google.getClientName());
                     }
-
                     GithubProvider github = client.getGithub();
                     if (github.isSettingsValid()) {
                         providerList.put(
                                 "/oauth2/authorization/" + github.getName(),
                                 github.getClientName());
                     }
-
                     KeycloakProvider keycloak = client.getKeycloak();
                     if (keycloak.isSettingsValid()) {
                         providerList.put(
@@ -87,7 +90,6 @@ public class AccountWebController {
                 }
             }
         }
-
         SAML2 saml2 = securityProps.getSaml2();
         if (securityProps.isSaml2Activ()
                 && applicationProperties.getSystem().getEnableAlphaFunctionality()) {
@@ -98,16 +100,12 @@ public class AccountWebController {
                 .entrySet()
                 .removeIf(entry -> entry.getKey() == null || entry.getValue() == null);
         model.addAttribute("providerlist", providerList);
-
         model.addAttribute("loginMethod", securityProps.getLoginMethod());
         boolean altLogin = providerList.size() > 0 ? securityProps.isAltLogin() : false;
         model.addAttribute("altLogin", altLogin);
-
         model.addAttribute("currentPage", "login");
-
         String error = request.getParameter("error");
         if (error != null) {
-
             switch (error) {
                 case "badcredentials":
                     error = "login.invalid";
@@ -121,12 +119,10 @@ public class AccountWebController {
                 default:
                     break;
             }
-
             model.addAttribute("error", error);
         }
         String erroroauth = request.getParameter("erroroauth");
         if (erroroauth != null) {
-
             switch (erroroauth) {
                 case "oauth2AutoCreateDisabled":
                     erroroauth = "login.oauth2AutoCreateDisabled";
@@ -167,8 +163,8 @@ public class AccountWebController {
                 case "invalid_destination":
                     erroroauth = "login.invalid_destination";
                     break;
-                    // Valid InResponseTo was not available from the validation context, unable to
+                // Valid InResponseTo was not available from the validation context, unable to
-                    // evaluate
+                // evaluate
                 case "invalid_in_response_to":
                     erroroauth = "login.invalid_in_response_to";
                     break;
@@ -178,18 +174,14 @@ public class AccountWebController {
                 default:
                     break;
             }
-
             model.addAttribute("erroroauth", erroroauth);
         }
         if (request.getParameter("messageType") != null) {
-
             model.addAttribute("messageType", "changedCredsMessage");
         }
         if (request.getParameter("logout") != null) {
-
             model.addAttribute("logoutMessage", "You have been logged out.");
         }
-
         return "login";
     }
 
@@ -200,14 +192,11 @@ public class AccountWebController {
         List<User> allUsers = userRepository.findAll();
         Iterator<User> iterator = allUsers.iterator();
         Map<String, String> roleDetails = Role.getAllRoleDetails();
-
         // Map to store session information and user activity status
         Map<String, Boolean> userSessions = new HashMap<>();
         Map<String, Date> userLastRequest = new HashMap<>();
-
         int activeUsers = 0;
         int disabledUsers = 0;
-
         while (iterator.hasNext()) {
             User user = iterator.next();
             if (user != null) {
@@ -215,22 +204,20 @@ public class AccountWebController {
                     if (authority.getAuthority().equals(Role.INTERNAL_API_USER.getRoleId())) {
                         iterator.remove();
                         roleDetails.remove(Role.INTERNAL_API_USER.getRoleId());
-                        break; // Break out of the inner loop once the user is removed
+                        // Break out of the inner loop once the user is removed
+                        break;
                     }
                 }
-
                 // Determine the user's session status and last request time
                 int maxInactiveInterval = sessionPersistentRegistry.getMaxInactiveInterval();
                 boolean hasActiveSession = false;
                 Date lastRequest = null;
-
                 Optional<SessionEntity> latestSession =
                         sessionPersistentRegistry.findLatestSession(user.getUsername());
                 if (latestSession.isPresent()) {
                     SessionEntity sessionEntity = latestSession.get();
                     Date lastAccessedTime = sessionEntity.getLastRequest();
                     Instant now = Instant.now();
-
                     // Calculate session expiration and update session status accordingly
                     Instant expirationTime =
                             lastAccessedTime
@@ -242,16 +229,14 @@ public class AccountWebController {
                     } else {
                         hasActiveSession = !sessionEntity.isExpired();
                     }
-
                     lastRequest = sessionEntity.getLastRequest();
                 } else {
                     hasActiveSession = false;
-                    lastRequest = new Date(0); // No session, set default last request time
+                    // No session, set default last request time
+                    lastRequest = new Date(0);
                 }
-
                 userSessions.put(user.getUsername(), hasActiveSession);
                 userLastRequest.put(user.getUsername(), lastRequest);
-
                 if (hasActiveSession) {
                     activeUsers++;
                 }
@@ -260,7 +245,6 @@ public class AccountWebController {
                 }
             }
         }
-
         // Sort users by active status and last request date
         List<User> sortedUsers =
                 allUsers.stream()
@@ -268,7 +252,6 @@ public class AccountWebController {
                                 (u1, u2) -> {
                                     boolean u1Active = userSessions.get(u1.getUsername());
                                     boolean u2Active = userSessions.get(u2.getUsername());
-
                                     if (u1Active && !u2Active) {
                                         return -1;
                                     } else if (!u1Active && u2Active) {
@@ -284,9 +267,7 @@ public class AccountWebController {
                                     }
                                 })
                         .collect(Collectors.toList());
-
         String messageType = request.getParameter("messageType");
-
         String deleteMessage = null;
         if (messageType != null) {
             switch (messageType) {
@@ -300,7 +281,6 @@ public class AccountWebController {
                     break;
             }
             model.addAttribute("deleteMessage", deleteMessage);
-
             String addMessage = null;
             switch (messageType) {
                 case "usernameExists":
@@ -317,7 +297,6 @@ public class AccountWebController {
             }
             model.addAttribute("addMessage", addMessage);
         }
-
         String changeMessage = null;
         if (messageType != null) {
             switch (messageType) {
@@ -336,7 +315,6 @@ public class AccountWebController {
             }
             model.addAttribute("changeMessage", changeMessage);
         }
-
         model.addAttribute("users", sortedUsers);
         model.addAttribute("currentUsername", authentication.getName());
         model.addAttribute("roleDetails", roleDetails);
@@ -357,21 +335,17 @@ public class AccountWebController {
         if (authentication != null && authentication.isAuthenticated()) {
             Object principal = authentication.getPrincipal();
             String username = null;
-
             if (principal instanceof UserDetails) {
                 // Cast the principal object to UserDetails
                 UserDetails userDetails = (UserDetails) principal;
-
                 // Retrieve username and other attributes
                 username = userDetails.getUsername();
-
                 // Add oAuth2 Login attributes to the model
                 model.addAttribute("oAuth2Login", false);
             }
             if (principal instanceof OAuth2User) {
                 // Cast the principal object to OAuth2User
                 OAuth2User userDetails = (OAuth2User) principal;
-
                 // Retrieve username and other attributes
                 username =
                         userDetails.getAttribute(
@@ -383,22 +357,21 @@ public class AccountWebController {
                 // Cast the principal object to OAuth2User
                 CustomSaml2AuthenticatedPrincipal userDetails =
                         (CustomSaml2AuthenticatedPrincipal) principal;
-
                 // Retrieve username and other attributes
                 username = userDetails.getName();
                 // Add oAuth2 Login attributes to the model
                 model.addAttribute("oAuth2Login", true);
             }
-
             if (username != null) {
                 // Fetch user details from the database
                 Optional<User> user =
-                        userRepository.findByUsernameIgnoreCaseWithSettings(
+                        userRepository
-                                username); // Assuming findByUsername method exists
+                                .findByUsernameIgnoreCaseWithSettings( // Assuming findByUsername
+                                        // method exists
+                                        username);
                 if (!user.isPresent()) {
                     return "redirect:/error";
                 }
-
                 // Convert settings map to JSON string
                 ObjectMapper objectMapper = new ObjectMapper();
                 String settingsJson;
@@ -409,7 +382,6 @@ public class AccountWebController {
                     log.error("exception", e);
                     return "redirect:/error";
                 }
-
                 String messageType = request.getParameter("messageType");
                 if (messageType != null) {
                     switch (messageType) {
@@ -433,7 +405,6 @@ public class AccountWebController {
                     }
                     model.addAttribute("messageType", messageType);
                 }
-
                 // Add attributes to the model
                 model.addAttribute("username", username);
                 model.addAttribute("role", user.get().getRolesAsString());
@@ -456,23 +427,21 @@ public class AccountWebController {
         }
         if (authentication != null && authentication.isAuthenticated()) {
             Object principal = authentication.getPrincipal();
-
             if (principal instanceof UserDetails) {
                 // Cast the principal object to UserDetails
                 UserDetails userDetails = (UserDetails) principal;
-
                 // Retrieve username and other attributes
                 String username = userDetails.getUsername();
-
                 // Fetch user details from the database
                 Optional<User> user =
-                        userRepository.findByUsernameIgnoreCase(
+                        userRepository
-                                username); // Assuming findByUsername method exists
+                                .findByUsernameIgnoreCase( // Assuming findByUsername method exists
+                                        username);
                 if (!user.isPresent()) {
                     // Handle error appropriately
-                    return "redirect:/error"; // Example redirection in case of error
+                    // Example redirection in case of error
+                    return "redirect:/error";
                 }
-
                 String messageType = request.getParameter("messageType");
                 if (messageType != null) {
                     switch (messageType) {
@@ -493,7 +462,6 @@ public class AccountWebController {
                     }
                     model.addAttribute("messageType", messageType);
                 }
-
                 // Add attributes to the model
                 model.addAttribute("username", username);
             }

src/main/java/stirling/software/SPDF/controller/web/DatabaseWebController.java

@@ -2,7 +2,6 @@ package stirling.software.SPDF.controller.web;
 
 import java.util.List;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Controller;
@@ -19,25 +18,25 @@ import stirling.software.SPDF.utils.FileInfo;
 @Tag(name = "Database Management", description = "Database management and security APIs")
 public class DatabaseWebController {
 
-    @Autowired private DatabaseBackupHelper databaseBackupHelper;
+    private final DatabaseBackupHelper databaseBackupHelper;
+
+    public DatabaseWebController(DatabaseBackupHelper databaseBackupHelper) {
+        this.databaseBackupHelper = databaseBackupHelper;
+    }
 
     @PreAuthorize("hasRole('ROLE_ADMIN')")
     @GetMapping("/database")
     public String database(HttpServletRequest request, Model model, Authentication authentication) {
         String error = request.getParameter("error");
         String confirmed = request.getParameter("infoMessage");
-
         if (error != null) {
             model.addAttribute("error", error);
         } else if (confirmed != null) {
             model.addAttribute("infoMessage", confirmed);
         }
-
         List<FileInfo> backupList = databaseBackupHelper.getBackupList();
         model.addAttribute("backupFiles", backupList);
-
         model.addAttribute("databaseVersion", databaseBackupHelper.getH2Version());
-
         return "database";
     }
 }

src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java

@@ -6,17 +6,10 @@ import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
@@ -31,41 +24,51 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.controller.api.pipeline.UserServiceInterface;
 import stirling.software.SPDF.model.SignatureFile;
 import stirling.software.SPDF.service.SignatureService;
 
 @Controller
 @Tag(name = "General", description = "General APIs")
+@Slf4j
 public class GeneralWebController {
 
-    private static final Logger logger = LoggerFactory.getLogger(GeneralWebController.class);
+    private static final String SIGNATURE_BASE_PATH = "customFiles/static/signatures/";
+    private static final String ALL_USERS_FOLDER = "ALL_USERS";
+    private final SignatureService signatureService;
+    private final UserServiceInterface userService;
+    private final ResourceLoader resourceLoader;
+
+    public GeneralWebController(
+            SignatureService signatureService,
+            @Autowired(required = false) UserServiceInterface userService,
+            ResourceLoader resourceLoader) {
+        this.signatureService = signatureService;
+        this.userService = userService;
+        this.resourceLoader = resourceLoader;
+    }
 
     @GetMapping("/pipeline")
     @Hidden
     public String pipelineForm(Model model) {
         model.addAttribute("currentPage", "pipeline");
-
         List<String> pipelineConfigs = new ArrayList<>();
         List<Map<String, String>> pipelineConfigsWithNames = new ArrayList<>();
-
         if (new File("./pipeline/defaultWebUIConfigs/").exists()) {
             try (Stream<Path> paths = Files.walk(Paths.get("./pipeline/defaultWebUIConfigs/"))) {
                 List<Path> jsonFiles =
                         paths.filter(Files::isRegularFile)
                                 .filter(p -> p.toString().endsWith(".json"))
                                 .collect(Collectors.toList());
-
                 for (Path jsonFile : jsonFiles) {
                     String content = Files.readString(jsonFile, StandardCharsets.UTF_8);
                     pipelineConfigs.add(content);
                 }
-
                 for (String config : pipelineConfigs) {
                     Map<String, Object> jsonContent =
                             new ObjectMapper()
                                     .readValue(config, new TypeReference<Map<String, Object>>() {});
-
                     String name = (String) jsonContent.get("name");
                     if (name == null || name.length() < 1) {
                         String filename =
@@ -80,9 +83,8 @@ public class GeneralWebController {
                     configWithName.put("name", name);
                     pipelineConfigsWithNames.add(configWithName);
                 }
-
             } catch (IOException e) {
-                logger.error("exception", e);
+                log.error("exception", e);
             }
         }
         if (pipelineConfigsWithNames.size() == 0) {
@@ -92,9 +94,7 @@ public class GeneralWebController {
             pipelineConfigsWithNames.add(configWithName);
         }
         model.addAttribute("pipelineConfigsWithNames", pipelineConfigsWithNames);
-
         model.addAttribute("pipelineConfigs", pipelineConfigs);
-
         return "pipeline";
     }
 
@@ -175,14 +175,6 @@ public class GeneralWebController {
         return "split-pdfs";
     }
 
-    private static final String SIGNATURE_BASE_PATH = "customFiles/static/signatures/";
-    private static final String ALL_USERS_FOLDER = "ALL_USERS";
-
-    @Autowired private SignatureService signatureService;
-
-    @Autowired(required = false)
-    private UserServiceInterface userService;
-
     @GetMapping("/sign")
     @Hidden
     public String signForm(Model model) {
@@ -190,10 +182,8 @@ public class GeneralWebController {
         if (userService != null) {
             username = userService.getCurrentUsername();
         }
-
         // Get signatures from both personal and ALL_USERS folders
         List<SignatureFile> signatures = signatureService.getAvailableSignatures(username);
-
         model.addAttribute("currentPage", "sign");
         model.addAttribute("fonts", getFontNames());
         model.addAttribute("signatures", signatures);
@@ -228,17 +218,12 @@ public class GeneralWebController {
         return "overlay-pdf";
     }
 
-    @Autowired private ResourceLoader resourceLoader;
-
     private List<FontResource> getFontNames() {
         List<FontResource> fontNames = new ArrayList<>();
-
         // Extract font names from classpath
         fontNames.addAll(getFontNamesFromLocation("classpath:static/fonts/*.woff2"));
-
         // Extract font names from external directory
         fontNames.addAll(getFontNamesFromLocation("file:customFiles/static/fonts/*"));
-
         return fontNames;
     }
 
@@ -285,13 +270,38 @@ public class GeneralWebController {
             case "svg":
                 return "svg";
             default:
-                return ""; // or throw an exception if an unexpected extension is encountered
+                // or throw an exception if an unexpected extension is encountered
+                return "";
         }
     }
 
+    @GetMapping("/crop")
+    @Hidden
+    public String cropForm(Model model) {
+        model.addAttribute("currentPage", "crop");
+        return "crop";
+    }
+
+    @GetMapping("/auto-split-pdf")
+    @Hidden
+    public String autoSPlitPDFForm(Model model) {
+        model.addAttribute("currentPage", "auto-split-pdf");
+        return "auto-split-pdf";
+    }
+
+    @GetMapping("/remove-image-pdf")
+    @Hidden
+    public String removeImagePdfForm(Model model) {
+        model.addAttribute("currentPage", "remove-image-pdf");
+        return "remove-image-pdf";
+    }
+
     public class FontResource {
+
         private String name;
+
         private String extension;
+
         private String type;
 
         public FontResource(String name, String extension) {
@@ -324,25 +334,4 @@ public class GeneralWebController {
             this.type = type;
         }
     }
-
-    @GetMapping("/crop")
-    @Hidden
-    public String cropForm(Model model) {
-        model.addAttribute("currentPage", "crop");
-        return "crop";
-    }
-
-    @GetMapping("/auto-split-pdf")
-    @Hidden
-    public String autoSPlitPDFForm(Model model) {
-        model.addAttribute("currentPage", "auto-split-pdf");
-        return "auto-split-pdf";
-    }
-
-    @GetMapping("/remove-image-pdf")
-    @Hidden
-    public String removeImagePdfForm(Model model) {
-        model.addAttribute("currentPage", "remove-image-pdf");
-        return "remove-image-pdf";
-    }
 }

src/main/java/stirling/software/SPDF/controller/web/HomeWebController.java

@@ -6,9 +6,6 @@ import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Map;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.http.MediaType;
@@ -22,13 +19,19 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 import io.swagger.v3.oas.annotations.Hidden;
 
+import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.model.ApplicationProperties;
 import stirling.software.SPDF.model.Dependency;
 
 @Controller
+@Slf4j
 public class HomeWebController {
 
-    private static final Logger logger = LoggerFactory.getLogger(HomeWebController.class);
+    private final ApplicationProperties applicationProperties;
+
+    public HomeWebController(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @GetMapping("/about")
     @Hidden
@@ -50,7 +53,7 @@ public class HomeWebController {
                     mapper.readValue(json, new TypeReference<Map<String, List<Dependency>>>() {});
             model.addAttribute("dependencies", data.get("dependencies"));
         } catch (IOException e) {
-            logger.error("exception", e);
+            log.error("exception", e);
         }
         return "licenses";
     }
@@ -71,8 +74,6 @@ public class HomeWebController {
         return "redirect:/";
     }
 
-    @Autowired ApplicationProperties applicationProperties;
-
     @GetMapping(value = "/robots.txt", produces = MediaType.TEXT_PLAIN_VALUE)
     @ResponseBody
     @Hidden

src/main/java/stirling/software/SPDF/controller/web/MetricsController.java

@@ -5,7 +5,6 @@ import java.time.LocalDateTime;
 import java.util.*;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -30,12 +29,18 @@ import stirling.software.SPDF.model.ApplicationProperties;
 @Slf4j
 public class MetricsController {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
 
     private final MeterRegistry meterRegistry;
 
     private boolean metricsEnabled;
 
+    public MetricsController(
+            ApplicationProperties applicationProperties, MeterRegistry meterRegistry) {
+        this.applicationProperties = applicationProperties;
+        this.meterRegistry = meterRegistry;
+    }
+
     @PostConstruct
     public void init() {
         Boolean metricsEnabled = applicationProperties.getMetrics().getEnabled();
@@ -43,11 +48,6 @@ public class MetricsController {
         this.metricsEnabled = metricsEnabled;
     }
 
-    @Autowired
-    public MetricsController(MeterRegistry meterRegistry) {
-        this.meterRegistry = meterRegistry;
-    }
-
     @GetMapping("/status")
     @Operation(
             summary = "Application status and version",
@@ -57,7 +57,6 @@ public class MetricsController {
         if (!metricsEnabled) {
             return ResponseEntity.status(HttpStatus.FORBIDDEN).body("This endpoint is disabled.");
         }
-
         Map<String, String> status = new HashMap<>();
         status.put("status", "UP");
         status.put("version", getClass().getPackage().getImplementationVersion());
@@ -236,7 +235,6 @@ public class MetricsController {
                             String uri = counter.getId().getTag("uri");
                             counts.merge(uri, counter.count(), Double::sum);
                         });
-
         List<EndpointCount> result =
                 counts.entrySet().stream()
                         .map(entry -> new EndpointCount(entry.getKey(), entry.getValue()))
@@ -271,7 +269,6 @@ public class MetricsController {
     private List<EndpointCount> getUniqueUserCounts(String method) {
         log.info("Getting unique user counts for method: {}", method);
         Map<String, Set<String>> uniqueUsers = new HashMap<>();
-
         meterRegistry
                 .find("http.requests")
                 .tag("method", method)
@@ -284,19 +281,37 @@ public class MetricsController {
                                 uniqueUsers.computeIfAbsent(uri, k -> new HashSet<>()).add(session);
                             }
                         });
-
         List<EndpointCount> result =
                 uniqueUsers.entrySet().stream()
                         .map(entry -> new EndpointCount(entry.getKey(), entry.getValue().size()))
                         .sorted(Comparator.comparing(EndpointCount::getCount).reversed())
                         .collect(Collectors.toList());
-
         log.info("Found {} endpoints with unique user counts", result.size());
         return result;
     }
 
+    @GetMapping("/uptime")
+    public ResponseEntity<?> getUptime() {
+        if (!metricsEnabled) {
+            return ResponseEntity.status(HttpStatus.FORBIDDEN).body("This endpoint is disabled.");
+        }
+        LocalDateTime now = LocalDateTime.now();
+        Duration uptime = Duration.between(StartupApplicationListener.startTime, now);
+        return ResponseEntity.ok(formatDuration(uptime));
+    }
+
+    private String formatDuration(Duration duration) {
+        long days = duration.toDays();
+        long hours = duration.toHoursPart();
+        long minutes = duration.toMinutesPart();
+        long seconds = duration.toSecondsPart();
+        return String.format("%dd %dh %dm %ds", days, hours, minutes, seconds);
+    }
+
     public static class EndpointCount {
+
         private String endpoint;
+
         private double count;
 
         public EndpointCount(String endpoint, double count) {
@@ -320,23 +335,4 @@ public class MetricsController {
             this.count = count;
         }
     }
-
-    @GetMapping("/uptime")
-    public ResponseEntity<?> getUptime() {
-        if (!metricsEnabled) {
-            return ResponseEntity.status(HttpStatus.FORBIDDEN).body("This endpoint is disabled.");
-        }
-
-        LocalDateTime now = LocalDateTime.now();
-        Duration uptime = Duration.between(StartupApplicationListener.startTime, now);
-        return ResponseEntity.ok(formatDuration(uptime));
-    }
-
-    private String formatDuration(Duration duration) {
-        long days = duration.toDays();
-        long hours = duration.toHoursPart();
-        long minutes = duration.toMinutesPart();
-        long seconds = duration.toSecondsPart();
-        return String.format("%dd %dh %dm %ds", days, hours, minutes, seconds);
-    }
 }

src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java

@@ -6,7 +6,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -22,7 +21,11 @@ import stirling.software.SPDF.utils.CheckProgramInstall;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class OtherWebController {
 
-    @Autowired ApplicationProperties applicationProperties;
+    private final ApplicationProperties applicationProperties;
+
+    public OtherWebController(ApplicationProperties applicationProperties) {
+        this.applicationProperties = applicationProperties;
+    }
 
     @GetMapping("/compress-pdf")
     @Hidden

src/main/java/stirling/software/SPDF/controller/web/SignatureController.java

@@ -18,10 +18,16 @@ import stirling.software.SPDF.service.SignatureService;
 @RequestMapping("/api/v1/general")
 public class SignatureController {
 
-    @Autowired private SignatureService signatureService;
+    private final SignatureService signatureService;
 
-    @Autowired(required = false)
+    private final UserServiceInterface userService;
-    private UserServiceInterface userService;
+
+    public SignatureController(
+            SignatureService signatureService,
+            @Autowired(required = false) UserServiceInterface userService) {
+        this.signatureService = signatureService;
+        this.userService = userService;
+    }
 
     @GetMapping("/sign/{fileName}")
     public ResponseEntity<byte[]> getSignature(@PathVariable(name = "fileName") String fileName)
@@ -30,15 +36,14 @@ public class SignatureController {
         if (userService != null) {
             username = userService.getCurrentUsername();
         }
-
         // Verify access permission
         if (!signatureService.hasAccessToFile(username, fileName)) {
             return ResponseEntity.status(HttpStatus.FORBIDDEN).build();
         }
-
         byte[] imageBytes = signatureService.getSignatureBytes(username, fileName);
         return ResponseEntity.ok()
-                .contentType(MediaType.IMAGE_JPEG) // Adjust based on file type
+                .contentType( // Adjust based on file type
+                        MediaType.IMAGE_JPEG)
                 .body(imageBytes);
     }
 }

src/main/java/stirling/software/SPDF/model/ApplicationProperties.java

@@ -79,6 +79,23 @@ public class ApplicationProperties {
             return saml2.getEnabled() || oauth2.getEnabled();
         }
 
+        public boolean isUserPass() {
+            return (loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString())
+                    || loginMethod.equalsIgnoreCase(LoginMethods.ALL.toString()));
+        }
+
+        public boolean isOauth2Activ() {
+            return (oauth2 != null
+                    && oauth2.getEnabled()
+                    && !loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString()));
+        }
+
+        public boolean isSaml2Activ() {
+            return (saml2 != null
+                    && saml2.getEnabled()
+                    && !loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString()));
+        }
+
         public enum LoginMethods {
             ALL("all"),
             NORMAL("normal"),
@@ -97,23 +114,6 @@ public class ApplicationProperties {
             }
         }
 
-        public boolean isUserPass() {
-            return (loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString())
-                    || loginMethod.equalsIgnoreCase(LoginMethods.ALL.toString()));
-        }
-
-        public boolean isOauth2Activ() {
-            return (oauth2 != null
-                    && oauth2.getEnabled()
-                    && !loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString()));
-        }
-
-        public boolean isSaml2Activ() {
-            return (saml2 != null
-                    && saml2.getEnabled()
-                    && !loginMethod.equalsIgnoreCase(LoginMethods.NORMAL.toString()));
-        }
-
         @Data
         public static class InitialLogin {
             private String username;
@@ -122,18 +122,19 @@ public class ApplicationProperties {
 
         @Getter
         @Setter
+        @ToString
         public static class SAML2 {
             private Boolean enabled = false;
             private Boolean autoCreateUser = false;
             private Boolean blockRegistration = false;
             private String registrationId = "stirling";
-            private String idpMetadataUri;
+            @ToString.Exclude private String idpMetadataUri;
             private String idpSingleLogoutUrl;
             private String idpSingleLoginUrl;
             private String idpIssuer;
             private String idpCert;
-            private String privateKey;
+            @ToString.Exclude private String privateKey;
-            private String spCert;
+            @ToString.Exclude private String spCert;
 
             public InputStream getIdpMetadataUri() throws IOException {
                 if (idpMetadataUri.startsWith("classpath:")) {

src/main/java/stirling/software/SPDF/model/Authority.java

@@ -2,14 +2,7 @@ package stirling.software.SPDF.model;
 
 import java.io.Serializable;
 
-import jakarta.persistence.Column;
+import jakarta.persistence.*;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
-import jakarta.persistence.Table;
 
 @Entity
 @Table(name = "authorities")
@@ -17,14 +10,6 @@ public class Authority implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    public Authority() {}
-
-    public Authority(String authority, User user) {
-        this.authority = authority;
-        this.user = user;
-        user.getAuthorities().add(this);
-    }
-
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
@@ -36,6 +21,14 @@ public class Authority implements Serializable {
     @JoinColumn(name = "user_id")
     private User user;
 
+    public Authority() {}
+
+    public Authority(String authority, User user) {
+        this.authority = authority;
+        this.user = user;
+        user.getAuthorities().add(this);
+    }
+
     public Long getId() {
         return id;
     }

src/main/java/stirling/software/SPDF/model/Role.java

@@ -40,22 +40,6 @@ public enum Role {
         this.roleName = roleName;
     }
 
-    public String getRoleId() {
-        return roleId;
-    }
-
-    public int getApiCallsPerDay() {
-        return apiCallsPerDay;
-    }
-
-    public int getWebCallsPerDay() {
-        return webCallsPerDay;
-    }
-
-    public String getRoleName() {
-        return roleName;
-    }
-
     public static String getRoleNameByRoleId(String roleId) {
         // Using the fromString method to get the Role enum based on the roleId
         Role role = fromString(roleId);
@@ -81,4 +65,20 @@ public enum Role {
         }
         throw new IllegalArgumentException("No Role defined for id: " + roleId);
     }
+
+    public String getRoleId() {
+        return roleId;
+    }
+
+    public int getApiCallsPerDay() {
+        return apiCallsPerDay;
+    }
+
+    public int getWebCallsPerDay() {
+        return webCallsPerDay;
+    }
+
+    public String getRoleName() {
+        return roleName;
+    }
 }

src/main/java/stirling/software/SPDF/model/User.java

@@ -111,14 +111,14 @@ public class User implements Serializable {
         this.enabled = enabled;
     }
 
-    public void setAuthenticationType(AuthenticationType authenticationType) {
-        this.authenticationType = authenticationType.toString().toLowerCase();
-    }
-
     public String getAuthenticationType() {
         return authenticationType;
     }
 
+    public void setAuthenticationType(AuthenticationType authenticationType) {
+        this.authenticationType = authenticationType.toString().toLowerCase();
+    }
+
     public Set<Authority> getAuthorities() {
         return authorities;
     }