Merge branch 'main' into testCleanups

Missing multi-selection and Python validation

.github/pull_request_template.md

@@ -10,9 +10,3 @@ Closes #(issue_number)
 - [ ] I have performed a self-review of my own code
 - [ ] I have commented my code, particularly in hard-to-understand areas
 - [ ] My changes generate no new warnings
-
-## Contributor License Agreement
-
-By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under the MPL 2.0 (Mozilla Public License Version 2.0) license.
-
-(This does not change the general open-source nature of Stirling-PDF, simply moving from one license to another license)

.github/release.yml

@@ -0,0 +1,32 @@
+changelog:
+  exclude:
+    labels:
+      - Documentation
+      - Test
+      - Github
+
+  categories:
+    - title: Bug Fixes
+      labels:
+        - Bug
+    
+    - title: Enhancements
+      labels:
+        - enhancement
+
+    - title: Minor Enhancements
+      labels:
+        - Java
+        - Front End
+
+    - title: Docker Updates
+      labels:
+        - Docker
+
+    - title: Translation Changes
+      labels:
+        - Translation
+    
+    - title: Other Changes
+      labels:
+        - "*"

README.md

@@ -173,7 +173,7 @@ Stirling PDF currently supports 38!
 | Basque (Euskara) (eu_ES)                    | ![60%](https://geps.dev/progress/60)   |
 | Bulgarian (Български) (bg_BG)               | ![92%](https://geps.dev/progress/92)   |
 | Catalan (Català) (ca_CA)                    | ![47%](https://geps.dev/progress/47)   |
-| Croatian (Hrvatski) (hr_HR)                 | ![93%](https://geps.dev/progress/93)   |
+| Croatian (Hrvatski) (hr_HR)                 | ![92%](https://geps.dev/progress/92)   |
 | Czech (Česky) (cs_CZ)                       | ![88%](https://geps.dev/progress/88)   |
 | Danish (Dansk) (da_DK)                      | ![9%](https://geps.dev/progress/9)   |
 | Dutch (Nederlands) (nl_NL)                  | ![94%](https://geps.dev/progress/94)   |
@@ -184,18 +184,18 @@ Stirling PDF currently supports 38!
 | Greek (Ελληνικά) (el_GR)                    | ![80%](https://geps.dev/progress/80)   |
 | Hindi (हिंदी) (hi_IN)                          | ![75%](https://geps.dev/progress/75)   |
 | Hungarian (Magyar) (hu_HU)                  | ![74%](https://geps.dev/progress/74)   |
-| Indonesia (Bahasa Indonesia) (id_ID)        | ![75%](https://geps.dev/progress/75)   |
+| Indonesia (Bahasa Indonesia) (id_ID)        | ![74%](https://geps.dev/progress/74)   |
 | Irish (Gaeilge) (ga_IE)                     | ![96%](https://geps.dev/progress/96)   |
-| Italian (Italiano) (it_IT)                  | ![98%](https://geps.dev/progress/98)   |
+| Italian (Italiano) (it_IT)                  | ![99%](https://geps.dev/progress/99)   |
-| Japanese (日本語) (ja_JP)                   | ![91%](https://geps.dev/progress/91)   |
+| Japanese (日本語) (ja_JP)                   | ![90%](https://geps.dev/progress/90)   |
 | Korean (한국어) (ko_KR)                     | ![82%](https://geps.dev/progress/82)   |
 | Norwegian (Norsk) (no_NB)                   | ![96%](https://geps.dev/progress/96)   |
 | Polish (Polski) (pl_PL)                     | ![90%](https://geps.dev/progress/90)   |
-| Portuguese (Português) (pt_PT)              | ![77%](https://geps.dev/progress/77)   |
+| Portuguese (Português) (pt_PT)              | ![76%](https://geps.dev/progress/76)   |
 | Portuguese Brazilian (Português) (pt_BR)    | ![99%](https://geps.dev/progress/99)   |
 | Romanian (Română) (ro_RO)                   | ![38%](https://geps.dev/progress/38)   |
 | Russian (Русский) (ru_RU)                   | ![82%](https://geps.dev/progress/82)   |
-| Serbian Latin alphabet (Srpski) (sr_LATN_RS) | ![77%](https://geps.dev/progress/77)   |
+| Serbian Latin alphabet (Srpski) (sr_LATN_RS) | ![76%](https://geps.dev/progress/76)   |
 | Simplified Chinese (简体中文) (zh_CN)       | ![97%](https://geps.dev/progress/97)   |
 | Slovakian (Slovensky) (sk_SK)               | ![90%](https://geps.dev/progress/90)   |
 | Spanish (Español) (es_ES)                   | ![96%](https://geps.dev/progress/96)   |

build.gradle

@@ -7,6 +7,7 @@ plugins {
     id "edu.sc.seis.launch4j" version "3.0.6"
     id "com.diffplug.spotless" version "6.25.0"
     id "com.github.jk1.dependency-license-report" version "2.9"
+	//id "nebula.lint" version "19.0.3"
 }
 
 import com.github.jk1.license.render.*
@@ -100,14 +101,20 @@ spotless {
     }
 }
 
+//gradleLint {
+//        rules=['unused-dependency']
+//    }
 tasks.wrapper {
     gradleVersion = "8.7"
 }
-
+//tasks.withType(JavaCompile) {
+//    options.compilerArgs << "-Xlint:deprecation"
+//}
+configurations.all {
+    exclude group: "org.springframework.boot", module: "spring-boot-starter-tomcat"
+}
 dependencies {
     //security updates
-    implementation "ch.qos.logback:logback-classic:$logbackVersion"
-    implementation "ch.qos.logback:logback-core:$logbackVersion"
     implementation "org.springframework:spring-webmvc:6.1.9"
 
     implementation("io.github.pixee:java-security-toolkit:1.2.0")
@@ -116,36 +123,33 @@ dependencies {
     implementation 'com.github.Carleslc.Simple-YAML:Simple-Yaml:1.8.4'
 
     // Exclude Tomcat and include Jetty
-    implementation("org.springframework.boot:spring-boot-starter-web:$springBootVersion") {
+    implementation("org.springframework.boot:spring-boot-starter-web:$springBootVersion")
-        exclude group: "org.springframework.boot", module: "spring-boot-starter-tomcat"
-    }
     implementation "org.springframework.boot:spring-boot-starter-jetty:$springBootVersion"
 
     implementation "org.springframework.boot:spring-boot-starter-thymeleaf:$springBootVersion"
 
     if (System.getenv("DOCKER_ENABLE_SECURITY") != "false") {
         implementation "org.springframework.boot:spring-boot-starter-security:$springBootVersion"
-        implementation "org.thymeleaf.extras:thymeleaf-extras-springsecurity5:3.1.2.RELEASE"
+        runtimeOnly "org.thymeleaf.extras:thymeleaf-extras-springsecurity5:3.1.2.RELEASE"
         implementation "org.springframework.boot:spring-boot-starter-data-jpa:$springBootVersion"
         implementation "org.springframework.boot:spring-boot-starter-oauth2-client:$springBootVersion"
 
         //2.2.x requires rebuild of DB file.. need migration path
-        implementation "com.h2database:h2:2.1.214"
+        runtimeOnly "com.h2database:h2:2.1.214"
         // implementation "com.h2database:h2:2.2.224"
     }
 
     testImplementation "org.springframework.boot:spring-boot-starter-test:$springBootVersion"
 
     // Batik
-    implementation "org.apache.xmlgraphics:batik-all:1.17"
 
     // TwelveMonkeys
-    implementation "com.twelvemonkeys.imageio:imageio-batik:$imageioVersion"
+    runtimeOnly "com.twelvemonkeys.imageio:imageio-batik:$imageioVersion"
-    implementation "com.twelvemonkeys.imageio:imageio-bmp:$imageioVersion"
+    runtimeOnly "com.twelvemonkeys.imageio:imageio-bmp:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-hdr:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-icns:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-iff:$imageioVersion"
-    implementation "com.twelvemonkeys.imageio:imageio-jpeg:$imageioVersion"
+    runtimeOnly "com.twelvemonkeys.imageio:imageio-jpeg:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-pcx:$imageioVersion@
     // implementation "com.twelvemonkeys.imageio:imageio-pict:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-pnm:$imageioVersion"
@@ -153,13 +157,12 @@ dependencies {
     // implementation "com.twelvemonkeys.imageio:imageio-sgi:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-tga:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-thumbsdb:$imageioVersion"
-    implementation "com.twelvemonkeys.imageio:imageio-tiff:$imageioVersion"
+    runtimeOnly "com.twelvemonkeys.imageio:imageio-tiff:$imageioVersion"
-    implementation "com.twelvemonkeys.imageio:imageio-webp:$imageioVersion"
+    runtimeOnly "com.twelvemonkeys.imageio:imageio-webp:$imageioVersion"
     // implementation "com.twelvemonkeys.imageio:imageio-xwd:$imageioVersion"
 
     implementation "commons-io:commons-io:2.16.1"
     implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0"
-
     //general PDF
 
     // https://mvnrepository.com/artifact/com.opencsv/opencsv
@@ -196,7 +199,7 @@ dependencies {
     compileOnly "org.projectlombok:lombok:$lombokVersion"
     annotationProcessor "org.projectlombok:lombok:$lombokVersion"
 
-    testImplementation 'org.mockito:mockito-inline:5.2.0'
+    testRuntimeOnly 'org.mockito:mockito-inline:5.2.0'
 }
 
 tasks.withType(JavaCompile).configureEach {

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

@@ -65,6 +65,7 @@ public class SPdfApplication {
     public static void main(String[] args) throws IOException, InterruptedException {
 
         SpringApplication app = new SpringApplication(SPdfApplication.class);
+        app.setAdditionalProfiles("default");
         app.addInitializers(new ConfigInitializer());
         Map<String, String> propertyFiles = new HashMap<>();
 

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

@@ -10,7 +10,6 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Lazy;
-import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -150,8 +149,7 @@ public class SecurityConfiguration {
                                                     })
                                             .permitAll()
                                             .anyRequest()
-                                            .authenticated())
+                                            .authenticated());
-                    .authenticationProvider(authenticationProvider());
 
             // Handle OAUTH2 Logins
             if (applicationProperties.getSecurity().getOAUTH2() != null
@@ -379,14 +377,6 @@ public class SecurityConfiguration {
         return new IPRateLimitingFilter(maxRequestsPerIp, maxRequestsPerIp);
     }
 
-    @Bean
-    public DaoAuthenticationProvider authenticationProvider() {
-        DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
-        authProvider.setUserDetailsService(userDetailsService);
-        authProvider.setPasswordEncoder(passwordEncoder());
-        return authProvider;
-    }
-
     @Bean
     public PersistentTokenRepository persistentTokenRepository() {
         return new JPATokenRepositoryImpl();

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

@@ -58,7 +58,7 @@ public class UserAuthenticationFilter extends OncePerRequestFilter {
                 try {
                     // Use API key to authenticate. This requires you to have an authentication
                     // provider for API keys.
-                    Optional<User> user = userService.loadUserByApiKey(apiKey);
+                    Optional<User> user = userService.getUserByApiKey(apiKey);
                     if (!user.isPresent()) {
                         response.setStatus(HttpStatus.UNAUTHORIZED.value());
                         response.getWriter().write("Invalid API Key.");

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

@@ -22,7 +22,6 @@ import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.stereotype.Service;
 
-import lombok.extern.slf4j.Slf4j;
 import stirling.software.SPDF.config.DatabaseBackupInterface;
 import stirling.software.SPDF.config.security.session.SessionPersistentRegistry;
 import stirling.software.SPDF.controller.api.pipeline.UserServiceInterface;

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

@@ -7,7 +7,6 @@ import java.net.URLConnection;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
@@ -17,7 +16,6 @@ import org.apache.commons.io.FileUtils;
 import org.apache.pdfbox.rendering.ImageType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -32,6 +30,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 
 import stirling.software.SPDF.model.api.converters.ConvertToImageRequest;
 import stirling.software.SPDF.model.api.converters.ConvertToPdfRequest;
+import stirling.software.SPDF.utils.CheckProgramInstall;
 import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
@@ -82,7 +81,10 @@ public class ConvertImgPDFController {
         if (result == null || result.length == 0) {
             logger.error("resultant bytes for {} is null, error converting ", filename);
         }
-        if (imageFormat.equalsIgnoreCase("webp")) {
+        if (imageFormat.equalsIgnoreCase("webp") && !CheckProgramInstall.isPythonAvailable()) {
+            throw new IOException("Python is not installed. Required for WebP conversion.");
+        } else if (imageFormat.equalsIgnoreCase("webp")
+                && CheckProgramInstall.isPythonAvailable()) {
             // Write the output stream to a temp file
             Path tempFile = Files.createTempFile("temp_png", ".png");
             try (FileOutputStream fos = new FileOutputStream(tempFile.toFile())) {
@@ -90,21 +92,13 @@ public class ConvertImgPDFController {
                 fos.flush();
             }
 
-            String pythonVersion = "python3";
+            String pythonVersion = CheckProgramInstall.getAvailablePythonCommand();
-            try {
-                ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
-                        .runCommandWithOutputHandling(Arrays.asList("python3", "--version"));
-            } catch (IOException e) {
-                ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
-                        .runCommandWithOutputHandling(Arrays.asList("python", "--version"));
-                pythonVersion = "python";
-            }
 
             List<String> command = new ArrayList<>();
             command.add(pythonVersion);
             command.add("./scripts/png_to_webp.py"); // Python script to handle the conversion
 
-                // Create a temporary directory for the output WebP files
+            // Create a temporary directory for the output WebP files
             Path tempOutputDir = Files.createTempDirectory("webp_output");
             if (singleImage) {
                 // Run the Python script to convert PNG to WebP

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

@@ -32,6 +32,7 @@ import io.swagger.v3.oas.annotations.parameters.RequestBody;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import stirling.software.SPDF.model.api.misc.ExtractImageScansRequest;
+import stirling.software.SPDF.utils.CheckProgramInstall;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.SPDF.utils.WebResponseUtils;
@@ -76,6 +77,11 @@ public class ExtractImageScansController {
         Path tempZipFile = null;
         List<Path> tempDirs = new ArrayList<>();
 
+        if (!CheckProgramInstall.isPythonAvailable()) {
+            throw new IOException("Python is not installed.");
+        }
+
+        String pythonVersion = CheckProgramInstall.getAvailablePythonCommand();
         try {
             // Check if input file is a PDF
             if ("pdf".equalsIgnoreCase(extension)) {
@@ -117,7 +123,7 @@ public class ExtractImageScansController {
                 List<String> command =
                         new ArrayList<>(
                                 Arrays.asList(
-                                        "python3",
+                                        pythonVersion,
                                         "./scripts/split_photos.py",
                                         images.get(i),
                                         tempDir.toString(),

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

@@ -140,9 +140,9 @@ public class ExtractImagesController {
             Set<Integer> processedImages,
             ZipOutputStream zos)
             throws IOException {
-        if(page.getResources() == null || page.getResources().getXObjectNames() == null) {
+        if (page.getResources() == null || page.getResources().getXObjectNames() == null) {
-    		return;
+            return;
-    	}
+        }
         for (COSName name : page.getResources().getXObjectNames()) {
             if (page.getResources().isImageXObject(name)) {
                 PDImageXObject image = (PDImageXObject) page.getResources().getXObject(name);

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

@@ -43,7 +43,7 @@ public class ApiDocService {
 
     Map<String, List<String>> outputToFileTypes = new HashMap<>();
 
-    public List getExtensionTypes(boolean output, String operationName) {
+    public List<String> getExtensionTypes(boolean output, String operationName) {
         if (outputToFileTypes.size() == 0) {
             outputToFileTypes.put("PDF", Arrays.asList("pdf"));
             outputToFileTypes.put(

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

@@ -9,6 +9,8 @@ import org.springframework.web.servlet.ModelAndView;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
+import stirling.software.SPDF.utils.CheckProgramInstall;
+
 @Controller
 @Tag(name = "Convert", description = "Convert APIs")
 public class ConverterWebController {
@@ -69,6 +71,8 @@ public class ConverterWebController {
     @GetMapping("/pdf-to-img")
     @Hidden
     public String pdfToimgForm(Model model) {
+        boolean isPython = CheckProgramInstall.isPythonAvailable();
+        model.addAttribute("isPython", isPython);
         model.addAttribute("currentPage", "pdf-to-img");
         return "convert/pdf-to-img";
     }

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

@@ -16,6 +16,7 @@ import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import stirling.software.SPDF.model.ApplicationProperties;
+import stirling.software.SPDF.utils.CheckProgramInstall;
 
 @Controller
 @Tag(name = "Misc", description = "Miscellaneous APIs")
@@ -34,6 +35,8 @@ public class OtherWebController {
     @Hidden
     public ModelAndView extractImageScansForm() {
         ModelAndView modelAndView = new ModelAndView("misc/extract-image-scans");
+        boolean isPython = CheckProgramInstall.isPythonAvailable();
+        modelAndView.addObject("isPython", isPython);
         modelAndView.addObject("currentPage", "extract-image-scans");
         return modelAndView;
     }

src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java

@@ -9,6 +9,8 @@ import lombok.EqualsAndHashCode;
 @EqualsAndHashCode
 public class UrlToPdfRequest {
 
-    @Schema(description = "The input URL to be converted to a PDF file", required = true)
+    @Schema(
+            description = "The input URL to be converted to a PDF file",
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String urlInput;
 }

src/main/java/stirling/software/SPDF/model/api/filter/ContainsTextRequest.java

@@ -10,6 +10,6 @@ import stirling.software.SPDF.model.api.PDFWithPageNums;
 @EqualsAndHashCode(callSuper = true)
 public class ContainsTextRequest extends PDFWithPageNums {
 
-    @Schema(description = "The text to check for", required = true)
+    @Schema(description = "The text to check for", requiredMode = Schema.RequiredMode.REQUIRED)
     private String text;
 }

src/main/java/stirling/software/SPDF/model/api/filter/FileSizeRequest.java

@@ -10,6 +10,6 @@ import stirling.software.SPDF.model.api.PDFComparison;
 @EqualsAndHashCode(callSuper = true)
 public class FileSizeRequest extends PDFComparison {
 
-    @Schema(description = "File Size", required = true)
+    @Schema(description = "File Size", requiredMode = Schema.RequiredMode.REQUIRED)
     private String fileSize;
 }

src/main/java/stirling/software/SPDF/model/api/filter/PageRotationRequest.java

@@ -10,6 +10,6 @@ import stirling.software.SPDF.model.api.PDFComparison;
 @EqualsAndHashCode(callSuper = true)
 public class PageRotationRequest extends PDFComparison {
 
-    @Schema(description = "Rotation in degrees", required = true)
+    @Schema(description = "Rotation in degrees", requiredMode = Schema.RequiredMode.REQUIRED)
     private int rotation;
 }

src/main/java/stirling/software/SPDF/model/api/filter/PageSizeRequest.java

@@ -10,6 +10,6 @@ import stirling.software.SPDF.model.api.PDFComparison;
 @EqualsAndHashCode(callSuper = true)
 public class PageSizeRequest extends PDFComparison {
 
-    @Schema(description = "Standard Page Size", required = true)
+    @Schema(description = "Standard Page Size", requiredMode = Schema.RequiredMode.REQUIRED)
     private String standardPageSize;
 }

src/main/java/stirling/software/SPDF/model/api/general/OverlayPdfsRequest.java

@@ -20,13 +20,13 @@ public class OverlayPdfsRequest extends PDFFile {
     @Schema(
             description =
                     "The mode of overlaying: 'SequentialOverlay' for sequential application, 'InterleavedOverlay' for round-robin application, 'FixedRepeatOverlay' for fixed repetition based on provided counts",
-            required = true)
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String overlayMode;
 
     @Schema(
             description =
                     "An array of integers specifying the number of times each corresponding overlay file should be applied in the 'FixedRepeatOverlay' mode. This should match the length of the overlayFiles array.",
-            required = false)
+            requiredMode = Schema.RequiredMode.NOT_REQUIRED)
     private int[] counts;
 
     @Schema(description = "Overlay position 0 is Foregound, 1 is Background")

src/main/java/stirling/software/SPDF/model/api/general/SplitPdfBySizeOrCountRequest.java

@@ -13,14 +13,14 @@ public class SplitPdfBySizeOrCountRequest extends PDFFile {
     @Schema(
             description =
                     "Determines the type of split: 0 for size, 1 for page count, 2 for document count",
-            required = false,
+            requiredMode = Schema.RequiredMode.NOT_REQUIRED,
             defaultValue = "0")
     private int splitType;
 
     @Schema(
             description =
                     "Value for split: size in MB (e.g., '10MB') or number of pages (e.g., '5')",
-            required = false,
+            requiredMode = Schema.RequiredMode.NOT_REQUIRED,
             defaultValue = "10MB")
     private String splitValue;
 }

src/main/java/stirling/software/SPDF/model/api/misc/AddStampRequest.java

@@ -15,7 +15,7 @@ public class AddStampRequest extends PDFWithPageNums {
     @Schema(
             description = "The stamp type (text or image)",
             allowableValues = {"text", "image"},
-            required = true)
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String stampType;
 
     @Schema(description = "The stamp text")

src/main/java/stirling/software/SPDF/model/api/misc/AutoSplitPdfRequest.java

@@ -13,7 +13,7 @@ public class AutoSplitPdfRequest extends PDFFile {
     @Schema(
             description =
                     "Flag indicating if the duplex mode is active, where the page after the divider also gets removed.",
-            required = false,
+            requiredMode = Schema.RequiredMode.NOT_REQUIRED,
             defaultValue = "false")
     private boolean duplexMode;
 }

src/main/java/stirling/software/SPDF/model/api/misc/ExtractHeaderRequest.java

@@ -13,7 +13,7 @@ public class ExtractHeaderRequest extends PDFFile {
     @Schema(
             description =
                     "Flag indicating whether to use the first text as a fallback if no suitable title is found. Defaults to false.",
-            required = false,
+            requiredMode = Schema.RequiredMode.NOT_REQUIRED,
             defaultValue = "false")
     private boolean useFirstTextAsFallback;
 }

src/main/java/stirling/software/SPDF/model/api/misc/ExtractImageScansRequest.java

@@ -10,7 +10,9 @@ import lombok.EqualsAndHashCode;
 @Data
 @EqualsAndHashCode
 public class ExtractImageScansRequest {
-    @Schema(description = "The input file containing image scans", required = true)
+    @Schema(
+            description = "The input file containing image scans",
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private MultipartFile fileInput;
 
     @Schema(

src/main/java/stirling/software/SPDF/model/api/misc/PrintFileRequest.java

@@ -10,6 +10,8 @@ import stirling.software.SPDF.model.api.PDFFile;
 @EqualsAndHashCode(callSuper = true)
 public class PrintFileRequest extends PDFFile {
 
-    @Schema(description = "Name of printer to match against", required = true)
+    @Schema(
+            description = "Name of printer to match against",
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String printerName;
 }

src/main/java/stirling/software/SPDF/model/api/security/AddWatermarkRequest.java

@@ -15,7 +15,7 @@ public class AddWatermarkRequest extends PDFFile {
     @Schema(
             description = "The watermark type (text or image)",
             allowableValues = {"text", "image"},
-            required = true)
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String watermarkType;
 
     @Schema(description = "The watermark text")

src/main/java/stirling/software/SPDF/model/api/security/PDFPasswordRequest.java

@@ -10,6 +10,8 @@ import stirling.software.SPDF.model.api.PDFFile;
 @EqualsAndHashCode(callSuper = true)
 public class PDFPasswordRequest extends PDFFile {
 
-    @Schema(description = "The password of the PDF file", required = true)
+    @Schema(
+            description = "The password of the PDF file",
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String password;
 }

src/main/java/stirling/software/SPDF/model/api/security/RedactPdfRequest.java

@@ -10,7 +10,10 @@ import stirling.software.SPDF.model.api.PDFFile;
 @EqualsAndHashCode(callSuper = true)
 public class RedactPdfRequest extends PDFFile {
 
-    @Schema(description = "List of text to redact from the PDF", type = "string", required = true)
+    @Schema(
+            description = "List of text to redact from the PDF",
+            type = "string",
+            requiredMode = Schema.RequiredMode.REQUIRED)
     private String listOfText;
 
     @Schema(description = "Whether to use regex for the listOfText", defaultValue = "false")

src/main/java/stirling/software/SPDF/utils/CheckProgramInstall.java

@@ -0,0 +1,59 @@
+package stirling.software.SPDF.utils;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
+
+public class CheckProgramInstall {
+
+    private static final List<String> PYTHON_COMMANDS = Arrays.asList("python3", "python");
+    private static boolean pythonAvailableChecked = false;
+    private static String availablePythonCommand = null;
+
+    /**
+     * Checks which Python command is available and returns it.
+     *
+     * @return The available Python command ("python3" or "python"), or null if neither is
+     *     available.
+     */
+    public static String getAvailablePythonCommand() {
+        if (!pythonAvailableChecked) {
+            availablePythonCommand =
+                    PYTHON_COMMANDS.stream()
+                            .filter(CheckProgramInstall::checkPythonVersion)
+                            .findFirst()
+                            .orElse(null);
+            pythonAvailableChecked = true;
+        }
+        return availablePythonCommand;
+    }
+
+    /**
+     * Checks if the specified command is available by running the command with --version.
+     *
+     * @param pythonCommand The Python command to check.
+     * @return true if the command is available, false otherwise.
+     */
+    private static boolean checkPythonVersion(String pythonCommand) {
+        try {
+            ProcessExecutorResult result =
+                    ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
+                            .runCommandWithOutputHandling(
+                                    Arrays.asList(pythonCommand, "--version"));
+            return true; // Command succeeded, Python is available
+        } catch (IOException | InterruptedException e) {
+            return false; // Command failed, Python is not available
+        }
+    }
+
+    /**
+     * Checks if any Python command is available.
+     *
+     * @return true if any Python command is available, false otherwise.
+     */
+    public static boolean isPythonAvailable() {
+        return getAvailablePythonCommand() != null;
+    }
+}

src/main/java/stirling/software/SPDF/utils/GeneralUtils.java

@@ -4,7 +4,10 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -13,8 +16,6 @@ import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.List;
-import java.net.URL;
-import java.net.HttpURLConnection;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -73,12 +74,11 @@ public class GeneralUtils {
         } catch (MalformedURLException e) {
             return false;
         }
-       
+    }
-    }   
 
     public static boolean isURLReachable(String urlStr) {
         try {
-            URL url = new URL(urlStr);
+            URL url = URI.create(urlStr).toURL();
             HttpURLConnection connection = (HttpURLConnection) url.openConnection();
             connection.setRequestMethod("HEAD");
             int responseCode = connection.getResponseCode();
@@ -112,16 +112,19 @@ public class GeneralUtils {
         sizeStr = sizeStr.replace(",", ".").replace(" ", "");
         try {
             if (sizeStr.endsWith("KB")) {
-                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
+                return (long)
+                        (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
             } else if (sizeStr.endsWith("MB")) {
-                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
+                return (long)
-                        * 1024
+                        (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
-                        * 1024);
+                                * 1024
+                                * 1024);
             } else if (sizeStr.endsWith("GB")) {
-                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
+                return (long)
-                        * 1024
+                        (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2))
-                        * 1024
+                                * 1024
-                        * 1024);
+                                * 1024
+                                * 1024);
             } else if (sizeStr.endsWith("B")) {
                 return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
             } else {
@@ -191,8 +194,7 @@ public class GeneralUtils {
 
             // Check if the result is null or not within bounds
             if (result == null || result <= 0 || result.intValue() > maxValue) {
-                if (n != 0)
+                if (n != 0) break;
-                    break;
             } else {
                 results.add(result.intValue());
             }

src/main/resources/application.properties

@@ -1,5 +1,11 @@
 multipart.enabled=true
 
+logging.level.org.springframework=WARN
+logging.level.org.hibernate=WARN
+logging.level.org.eclipse.jetty=WARN
+logging.level.com.zaxxer.hikari=WARN
+
+spring.jpa.open-in-view=false
 
 server.forward-headers-strategy=NATIVE
 
@@ -24,10 +30,8 @@ spring.devtools.livereload.enabled=true
 
 spring.thymeleaf.encoding=UTF-8
 
-server.connection-timeout=${SYSTEM_CONNECTIONTIMEOUTMINUTES:20m}
-spring.mvc.async.request-timeout=${SYSTEM_CONNECTIONTIMEOUTMILLISECONDS:1200000}
 
-spring.resources.static-locations=file:customFiles/static/
+spring.mvc.async.request-timeout=${SYSTEM_CONNECTIONTIMEOUTMILLISECONDS:1200000}
 #spring.thymeleaf.prefix=file:/customFiles/templates/,classpath:/templates/
 #spring.thymeleaf.cache=false
 

src/main/resources/messages_ar_AR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=الحد الأدنى لمنطقة المحيط:
 ScannerImageSplit.selectText.8=تعيين الحد الأدنى لمنطقة المحيط للصورة
 ScannerImageSplit.selectText.9=حجم الحدود:
 ScannerImageSplit.selectText.10=يضبط حجم الحدود المضافة والمزالة لمنع الحدود البيضاء في الإخراج (الافتراضي: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=اللون
 pdfToImage.grey=تدرج الرمادي
 pdfToImage.blackwhite=أبيض وأسود (قد يفقد البيانات!)
 pdfToImage.submit=تحول
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_bg_BG.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Минимална контурна площ:
 ScannerImageSplit.selectText.8=Задава минималния праг на контурната площ за изображение
 ScannerImageSplit.selectText.9=Размер на рамката:
 ScannerImageSplit.selectText.10=Задава размера на добавената и премахната граница, за да предотврати бели граници към изхода (по подразбиране: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Цвят
 pdfToImage.grey=Скала на сивото
 pdfToImage.blackwhite=Черно и бяло (може да загубите данни!)
 pdfToImage.submit=Преобразуване
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_ca_CA.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Àrea de contorn mínima:
 ScannerImageSplit.selectText.8=Estableix el llindar mínim de l'àrea de contorn per a una foto
 ScannerImageSplit.selectText.9=Mida Vora:
 ScannerImageSplit.selectText.10=Estableix la mida de la vora afegida i eliminada per evitar vores blanques a la sortida (per defecte: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Color
 pdfToImage.grey=Escala de Grisos
 pdfToImage.blackwhite=Blanc i Negre (Pot perdre dades!)
 pdfToImage.submit=Converteix
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_cs_CZ.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimální plocha kontury:
 ScannerImageSplit.selectText.8=Nastaví minimální plošný práh kontury pro fotografii
 ScannerImageSplit.selectText.9=Velikost okraje:
 ScannerImageSplit.selectText.10=Nastaví velikost okraje přidaného a odebraného k zabránění bílých ohraničení ve výstupu (výchozí: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Barevný
 pdfToImage.grey=Stupně šedi
 pdfToImage.blackwhite=Černobílý (Může dojít k ztrátě dat!)
 pdfToImage.submit=Převést
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_da_DK.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimum Contour Area:
 ScannerImageSplit.selectText.8=Sets the minimum contour area threshold for a photo
 ScannerImageSplit.selectText.9=Border Size:
 ScannerImageSplit.selectText.10=Sets the size of the border added and removed to prevent white borders in the output (default: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Colour
 pdfToImage.grey=Greyscale
 pdfToImage.blackwhite=Black and White (May lose data!)
 pdfToImage.submit=Convert
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_de_DE.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimaler Konturbereich:
 ScannerImageSplit.selectText.8=Legt den minimalen Konturbereichsschwellenwert für ein Foto fest
 ScannerImageSplit.selectText.9=Randgröße:
 ScannerImageSplit.selectText.10=Legt die Größe des hinzugefügten und entfernten Randes fest, um weiße Ränder in der Ausgabe zu verhindern (Standard: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Farbe
 pdfToImage.grey=Graustufen
 pdfToImage.blackwhite=Schwarzweiß (Datenverlust möglich!)
 pdfToImage.submit=Umwandeln
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_el_GR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Ελάχιστη επιφάνεια περιγρ
 ScannerImageSplit.selectText.8=Ρυθμίζει το ελάχιστο όριο περιγράμματος για μια φωτογραφία
 ScannerImageSplit.selectText.9=Μέγεθος περιγράμματος:
 ScannerImageSplit.selectText.10=Ορίζει το μέγεθος του περιγράμματος που προστίθεται και αφαιρείται για να αποτρέπονται λευκά περιγράμματα στην έξοδο (προεπιλογή: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Χρώμα
 pdfToImage.grey=Κλίμακα του γκρι
 pdfToImage.blackwhite=Ασπρόμαυρο (Μπορεί να χαθούν δεδομένα!)
 pdfToImage.submit=Μετατροπή
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_en_GB.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimum Contour Area:
 ScannerImageSplit.selectText.8=Sets the minimum contour area threshold for a photo
 ScannerImageSplit.selectText.9=Border Size:
 ScannerImageSplit.selectText.10=Sets the size of the border added and removed to prevent white borders in the output (default: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Colour
 pdfToImage.grey=Greyscale
 pdfToImage.blackwhite=Black and White (May lose data!)
 pdfToImage.submit=Convert
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_en_US.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimum Contour Area:
 ScannerImageSplit.selectText.8=Sets the minimum contour area threshold for a photo
 ScannerImageSplit.selectText.9=Border Size:
 ScannerImageSplit.selectText.10=Sets the size of the border added and removed to prevent white borders in the output (default: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Color
 pdfToImage.grey=Grayscale
 pdfToImage.blackwhite=Black and White (May lose data!)
 pdfToImage.submit=Convert
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_es_ES.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Área mínima de contorno:
 ScannerImageSplit.selectText.8=Establecer el umbral mínimo del área de contorno para una foto
 ScannerImageSplit.selectText.9=Tamaño del borde:
 ScannerImageSplit.selectText.10=Establece el tamaño del borde agregado y eliminado para evitar bordes blancos en la salida (predeterminado: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Color
 pdfToImage.grey=Escala de grises
 pdfToImage.blackwhite=Blanco y Negro (¡Puede perder datos!)
 pdfToImage.submit=Convertir
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_eu_ES.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Inguruko area gutxienekoa:
 ScannerImageSplit.selectText.8=Ezarri inguruko arearen gutxieneko balioa argazki batentzat
 ScannerImageSplit.selectText.9=Ertzaren tamaina:
 ScannerImageSplit.selectText.10=Ezarri gehitutako eta ezabatutako ertzaren tamaina irteeran ertz zuriak saihesteko (lehenetsia: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Kolorea
 pdfToImage.grey=Gris-eskala
 pdfToImage.blackwhite=Zuria eta Beltza (Datuak galdu ditzake!)
 pdfToImage.submit=Bihurtu
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_fr_FR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Surface de contour minimale
 ScannerImageSplit.selectText.8=Définit la surface de contour minimale pour une photo (par défaut : 500).
 ScannerImageSplit.selectText.9=Taille de la bordure
 ScannerImageSplit.selectText.10=Définit la taille de la bordure ajoutée et supprimée pour éviter les bordures blanches dans la sortie (par défaut : 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Couleur
 pdfToImage.grey=Niveaux de gris
 pdfToImage.blackwhite=Noir et blanc (peut engendrer une perte de données !)
 pdfToImage.submit=Convertir
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_ga_IE.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Íos-Limistéar Comhrianta:
 ScannerImageSplit.selectText.8=Socraíonn sé an tairseach íosta achar comhrianta le haghaidh grianghraf
 ScannerImageSplit.selectText.9=Méid na Teorann:
 ScannerImageSplit.selectText.10=Socraíonn sé méid na teorann a chuirtear leis agus a bhaintear chun teorainneacha bán a chosc san aschur (réamhshocraithe: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Dath
 pdfToImage.grey=Scála Liath
 pdfToImage.blackwhite=Dubh agus Bán (D’fhéadfadh sonraí a chailleadh!)
 pdfToImage.submit=Tiontaigh
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_hi_IN.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=न्यूनतम कंटोर क्ष
 ScannerImageSplit.selectText.8=फोटो के लिए न्यूनतम कंटोर क्षेत्र थ्रेशोल्ड को सेट करता है।
 ScannerImageSplit.selectText.9=बॉर्डर का आकार:
 ScannerImageSplit.selectText.10=निकालने और जोड़ने के लिए जोड़ा जाने वाला बॉर्डर का आकार सेट करता है ताकि आउटपुट में सफेद बॉर्डर न आए (डिफ़ॉल्ट: 1)।
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=रंगीन
 pdfToImage.grey=ग्रे स्केल
 pdfToImage.blackwhite=काला और सफेद (डेटा खो सकता है!)
 pdfToImage.submit=परिवर्तित करें
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_hr_HR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimalna konturna površina:
 ScannerImageSplit.selectText.8=Postavlja minimalni prag površine konture za fotografiju
 ScannerImageSplit.selectText.9=Veličina obruba:
 ScannerImageSplit.selectText.10=Postavlja veličinu obruba koji se dodaje i uklanja kako bi se spriječili bijeli obrubi u ispisu (zadano: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Boja
 pdfToImage.grey=Sivi tonovi
 pdfToImage.blackwhite=Crno-bijelo (mogu se izgubiti podaci!)
 pdfToImage.submit=Pretvori
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_hu_HU.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimális kontúr terület:
 ScannerImageSplit.selectText.8=A fotók minimális kontúrterületének beállítása
 ScannerImageSplit.selectText.9=Keret mérete:
 ScannerImageSplit.selectText.10=A hozzáadott és eltávolított keret méretének beállítása a fehér keretek elkerülése érdekében a kimeneten (alapértelmezett: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=színes
 pdfToImage.grey=szürkeárnyalatos
 pdfToImage.blackwhite=fekete-fehér (adatvesztéssel járhat!)
 pdfToImage.submit=Átalakítás
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_id_ID.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Area Kontur Minimum:
 ScannerImageSplit.selectText.8=Menetapkan ambang batas area kontur minimum untuk foto
 ScannerImageSplit.selectText.9=Ukuran Batas:
 ScannerImageSplit.selectText.10=Menetapkan ukuran batas yang ditambahkan dan dihapus untuk mencegah batas putih pada output (default: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Warna
 pdfToImage.grey=Skala abu-abu
 pdfToImage.blackwhite=Black and White (Bisa kehilangan data!)
 pdfToImage.submit=Konversi
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_it_IT.properties

@@ -55,7 +55,7 @@ userNotFoundMessage=Utente non trovato.
 incorrectPasswordMessage=La password attuale non è corretta.
 usernameExistsMessage=Il nuovo nome utente esiste già.
 invalidUsernameMessage=Nome utente non valido, il nome utente può contenere solo lettere, numeri e i seguenti caratteri speciali @._+- o deve essere un indirizzo email valido.
-invalidPasswordMessage=The password must not be empty and must not have spaces at the beginning or end.
+invalidPasswordMessage=La password non deve essere vuota e non deve contenere spazi all'inizio o alla fine.
 confirmPasswordErrorMessage=La nuova password e la conferma della nuova password devono corrispondere.
 deleteCurrentUserMessage=Impossibile eliminare l'utente attualmente connesso.
 deleteUsernameExistsMessage=Il nome utente non esiste e non può essere eliminato.
@@ -179,7 +179,7 @@ adminUserSettings.user=Utente
 adminUserSettings.addUser=Aggiungi un nuovo Utente
 adminUserSettings.deleteUser=Elimina utente
 adminUserSettings.confirmDeleteUser=L'utente deve essere eliminato?
-adminUserSettings.confirmChangeUserStatus=Should the user be disabled/enabled?
+adminUserSettings.confirmChangeUserStatus=L'utente dovrebbe essere disabilitato/abilitato?
 adminUserSettings.usernameInfo=Il nome utente può contenere solo lettere, numeri e i seguenti caratteri speciali @._+- oppure deve essere un indirizzo email valido.
 adminUserSettings.roles=Ruoli
 adminUserSettings.role=Ruolo
@@ -193,13 +193,13 @@ adminUserSettings.forceChange=Forza l'utente a cambiare nome username/password a
 adminUserSettings.submit=Salva utente
 adminUserSettings.changeUserRole=Cambia il ruolo dell'utente
 adminUserSettings.authenticated=Autenticato
-adminUserSettings.editOwnProfil=Edit own profile
+adminUserSettings.editOwnProfil=Modifica il tuo profilo
-adminUserSettings.enabledUser=enabled user
+adminUserSettings.enabledUser=utente abilitato
-adminUserSettings.disabledUser=disabled user
+adminUserSettings.disabledUser=utente disabilitato
-adminUserSettings.activeUsers=Active Users:
+adminUserSettings.activeUsers=Utenti attivi:
-adminUserSettings.disabledUsers=Disabled Users:
+adminUserSettings.disabledUsers=Utenti disabili:
-adminUserSettings.totalUsers=Total Users:
+adminUserSettings.totalUsers=Utenti totali:
-adminUserSettings.lastRequest=Last Request
+adminUserSettings.lastRequest=Ultima richiesta
 
 
 database.title=Importazione/Esportazione database
@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Area di contorno minima:
 ScannerImageSplit.selectText.8=Imposta l'area minima del contorno di una foto
 ScannerImageSplit.selectText.9=Spessore bordo:
 ScannerImageSplit.selectText.10=Imposta lo spessore del bordo aggiunto o rimosso per prevenire bordi bianchi nel risultato (predefinito: 1).
+ScannerImageSplit.info=Python non è installato. È necessario per l'esecuzione.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=A colori
 pdfToImage.grey=Scala di grigi
 pdfToImage.blackwhite=Bianco e Nero (potresti perdere dettagli!)
 pdfToImage.submit=Converti
+pdfToImage.info=Python non è installato.È richiesto per la conversione WebP.
 
 
 #addPassword

src/main/resources/messages_ja_JP.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=最小輪郭面積:
 ScannerImageSplit.selectText.8=画像の最小の輪郭面積のしきい値を設定。
 ScannerImageSplit.selectText.9=境界線サイズ:
 ScannerImageSplit.selectText.10=出力に白い縁取りが出ないように追加・削除される境界線の大きさを設定 (初期値:1)。
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=カラー
 pdfToImage.grey=グレースケール
 pdfToImage.blackwhite=白黒 (データが失われる可能性があります！)
 pdfToImage.submit=変換
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_ko_KR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=최소 윤곽 영역:
 ScannerImageSplit.selectText.8=사진의 최소 윤곽선 영역 임계값을 설정합니다.
 ScannerImageSplit.selectText.9=테두리 크기:
 ScannerImageSplit.selectText.10=출력에서 흰색 테두리를 방지하기 위해 추가 및 제거되는 테두리의 크기를 설정합니다(기본값: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=컬러
 pdfToImage.grey=그레이스케일
 pdfToImage.blackwhite=흑백 (데이터 손실 가능성 있음!)
 pdfToImage.submit=변환
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_nl_NL.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimum contour oppervlakte:
 ScannerImageSplit.selectText.8=Stelt de minimale contour oppervlakte drempel in voor een foto
 ScannerImageSplit.selectText.9=Randgrootte:
 ScannerImageSplit.selectText.10=Stelt de grootte van de toegevoegde en verwijderde rand in om witte randen in de uitvoer te voorkomen (standaard: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Kleur
 pdfToImage.grey=Grijstinten
 pdfToImage.blackwhite=Zwart en wit (kan data verliezen!)
 pdfToImage.submit=Omzetten
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_no_NB.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimumskonturområde:
 ScannerImageSplit.selectText.8=Angir minimumskonturområde terskel for et bilde
 ScannerImageSplit.selectText.9=Kantstørrelse:
 ScannerImageSplit.selectText.10=Angir størrelsen på kanten som legges til og fjernes for å forhindre hvite kanter i utdataen (standard: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Farge
 pdfToImage.grey=Gråtone
 pdfToImage.blackwhite=Svart-hvitt (kan miste data!)
 pdfToImage.submit=Konverter
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_pl_PL.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimalny obszar konturu:
 ScannerImageSplit.selectText.8=Ustawia próg minimalnego obszaru konturu dla zdjęcia
 ScannerImageSplit.selectText.9=Rozmiar obramowania:
 ScannerImageSplit.selectText.10=Ustawia rozmiar dodawanego i usuwanego obramowania, aby uniknąć białych obramowań na wyjściu (domyślnie: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Kolor
 pdfToImage.grey=Odcień szarości
 pdfToImage.blackwhite=Czarno-biały (może spowodować utratę danych!)
 pdfToImage.submit=Konwertuj
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_pt_BR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Área mínima de contorno:
 ScannerImageSplit.selectText.8=Define o limite mínimo da área de contorno para uma foto
 ScannerImageSplit.selectText.9=Tamanho da borda:
 ScannerImageSplit.selectText.10=Define o tamanho da borda adicionada e removida para evitar bordas brancas na saída (padrão: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Colorida
 pdfToImage.grey=Escala de Cinza
 pdfToImage.blackwhite=Preto e Branco (pode perder de dados!)
 pdfToImage.submit=Converter
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_pt_PT.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Área mínima de contorno:
 ScannerImageSplit.selectText.8=Define o limite mínimo da área de contorno para uma foto
 ScannerImageSplit.selectText.9=Tamanho do contorno:
 ScannerImageSplit.selectText.10=Define o tamanho do contorno adicionado e removido para evitar contornos brancos na saída (padrão: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Colorida
 pdfToImage.grey=Escala de Cinza
 pdfToImage.blackwhite=Preto e Branco (pode resultar em perda de dados!)
 pdfToImage.submit=Converter
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_ro_RO.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Arie minimă a conturului:
 ScannerImageSplit.selectText.8=Stabilește pragul minim de arie a conturului pentru o fotografie.
 ScannerImageSplit.selectText.9=Mărimea marginii:
 ScannerImageSplit.selectText.10=Stabilește mărimea marginii adăugate și eliminate pentru a evita marginile albe în rezultat (implicit: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Culoare
 pdfToImage.grey=Scală de gri
 pdfToImage.blackwhite=Alb și negru (Poate pierde date!)
 pdfToImage.submit=Convertă
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_ru_RU.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Минимальная площадь конту
 ScannerImageSplit.selectText.8=Устанавливает минимальный порог области контура для фотографии
 ScannerImageSplit.selectText.9=Размер границы:
 ScannerImageSplit.selectText.10=Устанавливает размер добавляемой и удаляемой границы, чтобы предотвратить появление белых границ на выходе (по умолчанию: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Цвет
 pdfToImage.grey=Оттенки серого
 pdfToImage.blackwhite=Черно-белый (может потерять данные!)
 pdfToImage.submit=Конвертировать
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_sk_SK.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimálna plocha obrysu:
 ScannerImageSplit.selectText.8=Nastaví minimálnu prahovú hodnotu plochy obrysu pre fotografiu
 ScannerImageSplit.selectText.9=Veľkosť okraja:
 ScannerImageSplit.selectText.10=Nastaví veľkosť okraja pridaného a odstráneného, aby sa zabránilo bielym okrajom vo výstupe (predvolené: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Farba
 pdfToImage.grey=Odtiene šedej
 pdfToImage.blackwhite=Čierno-biele (Môže stratiť údaje!)
 pdfToImage.submit=Konvertovať
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_sr_LATN_RS.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimalna površina konture:
 ScannerImageSplit.selectText.8=Postavlja minimalni prag površine konture za fotografiju
 ScannerImageSplit.selectText.9=Veličina ivice:
 ScannerImageSplit.selectText.10=Postavlja veličinu ivice dodate i uklonjene kako bi se sprečile bele ivice u izlazu (podrazumevano: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Boja
 pdfToImage.grey=Nijanse sive
 pdfToImage.blackwhite=Crno-belo (Može izgubiti podatke!)
 pdfToImage.submit=Konvertuj
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_sv_SE.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minsta konturarea:
 ScannerImageSplit.selectText.8=Ställer in minsta tröskelvärde för konturarea för ett foto
 ScannerImageSplit.selectText.9=Kantstorlek:
 ScannerImageSplit.selectText.10=Ställer in storleken på kanten som läggs till och tas bort för att förhindra vita kanter i utdata (standard: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Färg
 pdfToImage.grey=Gråskala
 pdfToImage.blackwhite=Svartvitt (kan förlora data!)
 pdfToImage.submit=Konvertera
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_th_TH.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=พื้นที่เค้าโครงข
 ScannerImageSplit.selectText.8=ตั้งค่าเกณฑ์พื้นที่เค้าโครงขั้นต่ำสำหรับรูปภาพ
 ScannerImageSplit.selectText.9=ขนาดขอบ:
 ScannerImageSplit.selectText.10=ตั้งค่าขนาดขอบที่เพิ่มและลบเพื่อป้องกันขอบขาวในผลลัพธ์ (ค่าเริ่มต้น: 1)
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=สี
 pdfToImage.grey=ระดับสีเทา
 pdfToImage.blackwhite=ขาวดำ (อาจสูญเสียข้อมูล!)
 pdfToImage.submit=แปลง
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_tr_TR.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Minimum Kontur Alanı:
 ScannerImageSplit.selectText.8=Bir fotoğraf için minimum kontur alanı eşiğini ayarlar
 ScannerImageSplit.selectText.9=Kenar Boyutu:
 ScannerImageSplit.selectText.10=Çıktıda beyaz kenarların önlenmesi için eklenen ve kaldırılan kenarın boyutunu ayarlar (varsayılan: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Renk
 pdfToImage.grey=Gri tonlama
 pdfToImage.blackwhite=Siyah ve Beyaz (Veri kaybolabilir!)
 pdfToImage.submit=Dönüştür
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_uk_UA.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Мінімальна площа контуру:
 ScannerImageSplit.selectText.8=Встановлює мінімальний поріг площі контуру для фотографії
 ScannerImageSplit.selectText.9=Розмір рамки:
 ScannerImageSplit.selectText.10=Встановлює розмір додаваної та видаляної рамки, щоб запобігти появі білих рамок на виході (за замовчуванням: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Колір
 pdfToImage.grey=Відтінки сірого
 pdfToImage.blackwhite=Чорно-білий (може втратити дані!)
 pdfToImage.submit=Конвертувати
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_vi_VN.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=Diện tích đường viền tối thiểu:
 ScannerImageSplit.selectText.8=Đặt ngưỡng diện tích đường viền tối thiểu cho một ảnh
 ScannerImageSplit.selectText.9=Kích thước viền:
 ScannerImageSplit.selectText.10=Đặt kích thước của viền được thêm vào và loại bỏ để ngăn chặn viền trắng trong đầu ra (mặc định: 1).
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=Màu
 pdfToImage.grey=Thang độ xám
 pdfToImage.blackwhite=Đen trắng (Có thể mất dữ liệu!)
 pdfToImage.submit=Chuyển đổi
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_zh_CN.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=最小轮廓面积：
 ScannerImageSplit.selectText.8=设置照片的最小轮廓面积阈值。
 ScannerImageSplit.selectText.9=边框尺寸：
 ScannerImageSplit.selectText.10=设置添加和删除的边框大小，以防止输出中出现白边（默认值：1）。
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=颜色
 pdfToImage.grey=灰度
 pdfToImage.blackwhite=黑白（可能会丢失数据！）。
 pdfToImage.submit=转换
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/messages_zh_TW.properties

@@ -775,6 +775,7 @@ ScannerImageSplit.selectText.7=最小輪廓區域：
 ScannerImageSplit.selectText.8=設定照片的最小輪廓區域閾值
 ScannerImageSplit.selectText.9=邊框大小：
 ScannerImageSplit.selectText.10=設定新增和移除的邊框大小，以防止輸出中的白色邊框（預設：1）。
+ScannerImageSplit.info=Python is not installed. It is required to run.
 
 
 #OCR
@@ -925,6 +926,7 @@ pdfToImage.color=顏色
 pdfToImage.grey=灰度
 pdfToImage.blackwhite=黑白（可能會遺失資料！）
 pdfToImage.submit=轉換
+pdfToImage.info=Python is not installed. Required for WebP conversion.
 
 
 #addPassword

src/main/resources/static/js/downloader.js

@@ -37,7 +37,7 @@ $(document).ready(function () {
 
     try {
       if (remoteCall === true) {
-        if (override === "multi" || (!multiple && files.length > 1 && override !== "single")) {
+        if (override === "multi" || (!multipleInputsForSingleRequest && files.length > 1 && override !== "single")) {
           await submitMultiPdfForm(url, files);
         } else {
           await handleSingleDownload(url, formData);

src/main/resources/templates/auto-split-pdf.html

@@ -24,7 +24,7 @@
             <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/auto-split-pdf'}">
               <p th:text="#{autoSplitPDF.formPrompt}"></p>
               <div
-                th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}">
+                th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}">
               </div>
               <div class="form-check ms-3">
                 <input type="checkbox" name="duplexMode" id="duplexMode">

src/main/resources/templates/convert/book-to-pdf.html

@@ -15,7 +15,7 @@
             <div class="col-md-6">
               <h2 th:text="#{BookToPDF.header}"></h2>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/book/pdf'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false)}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false)}"></div>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{BookToPDF.submit}"></button>
               </form>
               <p class="mt-3" th:text="#{BookToPDF.credit}"></p>

src/main/resources/templates/convert/file-to-pdf.html

@@ -21,7 +21,7 @@
             </div>
             <p th:text="#{processTimeWarning}"></p>
             <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/file/pdf'}">
-              <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false)}"></div>
+              <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false)}"></div>
               <a class="btn btn-outline-primary" data-bs-toggle="collapse" href="#info" role="button"
                 aria-expanded="false" aria-controls="info" th:text="#{fileToPDF.supportedFileTypesInfo}"></a>
               <div class="collapse" id="info">

src/main/resources/templates/convert/html-to-pdf.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{HTMLToPDF.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/html/pdf'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='text/html,application/zip' )}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='text/html,application/zip' )}"></div>
                 <div class="mb-3">
                   <label for="zoom" th:text="#{HTMLToPDF.zoom}" class="form-label"></label>
                   <input type="number" step="0.1" class="form-control" id="zoom" name="zoom" value="1">

src/main/resources/templates/convert/img-to-pdf.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{imageToPDF.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/img/pdf'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='image/*', inputText=#{imgPrompt})}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='image/*', inputText=#{imgPrompt})}"></div>
                 <div class="mb-3">
                   <label for="fitOption" th:text="#{imageToPDF.selectLabel}">Fit Options</label>
                   <select class="form-control" id="fitOption" name="fitOption">

src/main/resources/templates/convert/markdown-to-pdf.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{MarkdownToPDF.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/markdown/pdf'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='text/markdown')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='text/markdown')}"></div>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{MarkdownToPDF.submit}"></button>
               </form>
               <p class="mt-3" th:text="#{MarkdownToPDF.help}"></p>

src/main/resources/templates/convert/pdf-to-book.html

@@ -15,7 +15,7 @@
             <div class="col-md-6">
               <h2 th:text="#{PDFToBook.header}"></h2>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/book'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{PDFToBook.selectText.1}"></label>
                   <select class="form-control" name="outputFormat">

src/main/resources/templates/convert/pdf-to-csv.html

@@ -18,7 +18,7 @@
               </div>
               <form id="PDFToCSVForm" th:action="@{'/api/v1/convert/pdf/csv'}" method="post" enctype="multipart/form-data">
                 <input  id="pageId" type="hidden" name="pageId">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <button type="submit" class="btn btn-primary" th:text="#{PDFToCSV.submit}"></button>
               </form>
               <p id="instruction-text" style="margin: 0; display: none" th:text="#{PDFToCSV.prompt}"></p>

src/main/resources/templates/convert/pdf-to-html.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{PDFToHTML.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/html'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{PDFToHTML.submit}"></button>
               </form>

src/main/resources/templates/convert/pdf-to-img.html

@@ -18,8 +18,9 @@
                 <span class="tool-header-text" th:text="#{pdfToImage.header}"></span>
               </div>
               <p th:text="#{processTimeWarning}"></p>
+              <p th:if="${!isPython}" th:text="#{pdfToImage.info}">Python is not installed. Required for WebP conversion.</p>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/img'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{pdfToImage.selectText}"></label>
                   <select class="form-control" name="imageFormat">
@@ -28,7 +29,7 @@
                     <option value="gif">GIF</option>
                     <option value="tiff">TIFF</option>
                     <option value="bmp">BMP</option>
-                    <option value="webp">WEPB</option>
+                    <option th:if="${isPython}" value="webp">WEPB</option>
                   </select>
                 </div>
                 <div class="mb-3">

src/main/resources/templates/convert/pdf-to-pdfa.html

@@ -19,7 +19,7 @@
               </div>
               <p th:text="#{pdfToPDFA.tip}"></p>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/pdfa'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label for="outputFormat" th:text="#{pdfToPDFA.outputFormat}"></label>
                   <select class="form-control" name="outputFormat" id="outputFormat">

src/main/resources/templates/convert/pdf-to-presentation.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{PDFToPresentation.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/presentation'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{PDFToPresentation.selectText.1}"></label>
                   <select class="form-control" name="outputFormat">

src/main/resources/templates/convert/pdf-to-text.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{PDFToText.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/text'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{PDFToText.selectText.1}"></label>
                   <select class="form-control" name="outputFormat">

src/main/resources/templates/convert/pdf-to-word.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{PDFToWord.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/word'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{PDFToWord.selectText.1}"></label>
                   <select class="form-control" name="outputFormat">

src/main/resources/templates/convert/pdf-to-xml.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{PDFToXML.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/convert/pdf/xml'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{PDFToXML.submit}"></button>
               </form>

src/main/resources/templates/crop.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{crop.header}"></span>
               </div>
               <form id="cropForm" th:action="@{'/api/v1/general/crop'}" method="post" enctype="multipart/form-data">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <input id="x" type="hidden" name="x">
                 <input id="y" type="hidden" name="y">
                 <input id="width" type="hidden" name="width">

src/main/resources/templates/extract-page.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{pageExtracter.header}"></span>
               </div>
               <form th:action="@{'/api/v1/general/rearrange-pages'}" method="post" enctype="multipart/form-data">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <input type="hidden" id="customMode" name="customMode" value="">
                 <div class="mb-3">
                   <label for="pageOrder" th:text="#{pageOrderPrompt}"></label>

src/main/resources/templates/fragments/common.html

@@ -144,17 +144,18 @@
     </dialog>
 </th:block>
 
-<th:block th:fragment="fileSelector(name, multiple)" th:with="accept=${accept} ?: '*/*', inputText=${inputText} ?: #{pdfPrompt}, remoteCall=${remoteCall} ?: true, notRequired=${notRequired} ?: false">
+<th:block th:fragment="fileSelector(name, multipleInputsForSingleRequest)" th:with="accept=${accept} ?: '*/*', inputText=${inputText} ?: #{pdfPrompt}, remoteCall=${remoteCall} ?: true, disableMultipleFiles=${disableMultipleFiles} ?: false, notRequired=${notRequired} ?: false">
                 <script th:inline="javascript">
                   const pdfPasswordPrompt = /*[[#{error.pdfPassword}]]*/ '';
-                  const multiple = /*[[${multiple}]]*/ false;
+                  const multipleInputsForSingleRequest = /*[[${multipleInputsForSingleRequest}]]*/ false;
+                  const disableMultipleFiles = /*[[${disableMultipleFiles}]]*/ false;
                   const remoteCall = /*[[${remoteCall}]]*/ true;
                 </script>
                 <script th:src="@{'/js/downloader.js'}"></script>
 
                 <div class="custom-file-chooser" th:attr="data-bs-unique-id=${name}, data-bs-element-id=${name+'-input'}, data-bs-files-selected=#{filesSelected}, data-bs-pdf-prompt=#{pdfPrompt}">
                   <div class="mb-3">
-                    <input type="file" class="form-control" th:name="${name}" th:id="${name}+'-input'" th:accept="${accept}" th:attr="multiple=${multiple}" th:required="${notRequired} ? null : 'required'">
+                    <input type="file" class="form-control" th:name="${name}" th:id="${name}+'-input'" th:accept="${accept}" th:attr="multiple=${!disableMultipleFiles}" th:required="${notRequired} ? null : 'required'">
                   </div>
                   <div class="selected-files"></div>
                 </div>

src/main/resources/templates/merge-pdfs.html

@@ -20,7 +20,7 @@
               <form action="api/v1/general/merge-pdfs" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{multiPdfDropPrompt}" for="fileInput-input"></label>
-                  <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=true, accept='application/pdf')}"></div>
+                  <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=true, accept='application/pdf')}"></div>
                 </div>
                 <div class="mb-3">
                   <input type="checkbox" name="removeCertSign" id="removeCertSign">

src/main/resources/templates/misc/add-image.html

@@ -20,7 +20,7 @@
               </div>
 
               <!-- pdf selector -->
-              <div th:replace="~{fragments/common :: fileSelector(name='pdf-upload', multiple=false, accept='application/pdf')}"></div>
+              <div th:replace="~{fragments/common :: fileSelector(name='pdf-upload', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
               <script>
                 let originalFileName = '';
                 document.querySelector('input[name=pdf-upload]').addEventListener('change', async (event) => {
@@ -46,7 +46,7 @@
 
               <div class="tab-group show-on-file-selected">
                 <div class="tab-container" th:title="#{addImage.upload}">
-                  <div th:replace="~{fragments/common :: fileSelector(name='image-upload', multiple=true, accept='image/*', inputText=#{imgPrompt})}"></div>
+                  <div th:replace="~{fragments/common :: fileSelector(name='image-upload', multipleInputsForSingleRequest=true, accept='image/*', inputText=#{imgPrompt})}"></div>
                   <script>
                     const imageUpload = document.querySelector('input[name=image-upload]');
                     imageUpload.addEventListener('change', e => {

src/main/resources/templates/misc/add-page-numbers.html

@@ -61,7 +61,7 @@
                 <span class="tool-header-text" th:text="#{addPageNumbers.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/add-page-numbers'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <div class="mb-3">
                   <label for="customMargin" th:text="#{addPageNumbers.selectText.2}"></label>

src/main/resources/templates/misc/adjust-contrast.html

@@ -40,7 +40,7 @@
                     <span class="tool-header-text" th:text="#{adjustContrast.header}"></span>
                   </div>
                   <div class="col-md-8">
-                    <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
+                    <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf', remoteCall='false')}"></div>
                   </div>
                   <br>
                   <canvas id="contrast-pdf-canvas"></canvas>

src/main/resources/templates/misc/auto-crop.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{autoCrop.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/auto-crop'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{autoCrop.submit}"></button>
               </form>

src/main/resources/templates/misc/auto-rename.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{auto-rename.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/auto-rename'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{auto-rename.submit}"></button>
               </form>

src/main/resources/templates/misc/change-metadata.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{changeMetadata.header}"></span>
               </div>
               <form method="post" id="form1" enctype="multipart/form-data" th:action="@{'/api/v1/misc/update-metadata'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <p class="text-muted" th:text="#{changeMetadata.selectText.1}"></p>
                 <div class="form-check mb-3-inline ms-3">
                   <input type="checkbox" id="deleteAll" name="deleteAll">

src/main/resources/templates/misc/compare.html

@@ -51,8 +51,8 @@
                 <span class="material-symbols-rounded tool-header-icon other">compare</span>
                 <span class="tool-header-text" th:text="#{compare.header}"></span>
               </div>
-              <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
+              <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf', remoteCall='false')}"></div>
-              <div th:replace="~{fragments/common :: fileSelector(name='fileInput2', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
+              <div th:replace="~{fragments/common :: fileSelector(name='fileInput2', multipleInputsForSingleRequest=false, accept='application/pdf', remoteCall='false')}"></div>
 
               <div class="row">
                 <div class="flex-container">

src/main/resources/templates/misc/compress-pdf.html

@@ -21,7 +21,7 @@
             </div>
             <form action="#" th:action="@{'/api/v1/misc/compress-pdf'}" method="post" enctype="multipart/form-data">
               <div
-                th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}">
+                th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}">
               </div>
               <div class="card mb-3">
                 <div class="card-body">

src/main/resources/templates/misc/extract-image-scans.html

@@ -18,8 +18,10 @@
                 <span class="tool-header-text" th:text="#{home.ScannerImageSplit.title}"></span>
               </div>
 
-              <form id="multiPdfForm" th:action="@{'/api/v1/misc/extract-image-scans'}" method="post" enctype="multipart/form-data">
+              <p th:if="${!isPython}" th:text="#{ScannerImageSplit.info}" class="alert alert-success text-center">Python is not installed. It is required to run.</p>
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='image/*, application/pdf')}"></div>
+
+              <form th:if="${isPython}" id="multiPdfForm" th:action="@{'/api/v1/misc/extract-image-scans'}" method="post" enctype="multipart/form-data">
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='image/*, application/pdf')}"></div>
                 <div class="mb-3">
                   <label for="angleThreshold" th:text="#{ScannerImageSplit.selectText.1}"></label>
                   <input type="number" class="form-control" id="angleThreshold" name="angle_threshold" value="10">

src/main/resources/templates/misc/extract-images.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{extractImages.header}"></span>
               </div>
               <form id="multiPdfForm" th:action="@{'/api/v1/misc/extract-images'}" method="post" enctype="multipart/form-data">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <div class="mb-3">
                   <label th:text="#{extractImages.selectText}"></label>
                   <select class="form-control" name="format">

src/main/resources/templates/misc/fake-scan.html

@@ -15,7 +15,7 @@
             <div class="col-md-6">
               <h2 th:text="#{fakeScan.header}"></h2>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/fake-scan'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{fakeScan.submit}"></button>
               </form>

src/main/resources/templates/misc/flatten.html

@@ -19,7 +19,7 @@
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/flatten'}" id="pdfForm" class="mb-3">
                 <div class="custom-file">
-                  <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                  <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
                 </div>
                 <div class="form-check ms-3">
                   <input type="checkbox" id="flattenOnlyForms" name="flattenOnlyForms">