Merge branch 'main' into testCleanups

Missing multi-selection and Python validation

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/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/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/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/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

@@ -21,7 +21,7 @@
               <p th:if="${!isPython}" th:text="#{ScannerImageSplit.info}" class="alert alert-success text-center">Python is not installed. It is required to run.</p>
 
               <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', multiple=false, accept='image/*, application/pdf')}"></div>
+                <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">

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

@@ -40,7 +40,7 @@
                 <span class="tool-header-text" th:text="#{ocr.header}"></span>
               </div>
               <form th:if="${#lists.size(languages) > 0}" action="#" th:action="@{'/api/v1/misc/ocr-pdf'}" method="post" enctype="multipart/form-data" class="mb-3">
-                <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="languages" class="form-label" th:text="#{ocr.selectText.1}"></label>
                   <hr>

src/main/resources/templates/misc/print-file.html

@@ -15,7 +15,7 @@
             <div class="col-md-6">
               <h2 th:text="#{printFile.header}"></h2>
               <form action="#" th:action="@{'/api/v1/misc/print-file'}" method="post" enctype="multipart/form-data">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf,image/*')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf,image/*')}"></div>
                 <div class="card mb-3">
                   <div class="card-body">
                     <h4 th:text="#{printFile.selectText.1}">Select Printer</h4> <!-- Assuming the message code printFile.selectText.3 corresponds to "Select Printer" -->

src/main/resources/templates/misc/remove-annotations.html

@@ -18,7 +18,7 @@
               </div>
               <form id="pdfForm" class="mb-3">
                 <div class="custom-file">
-                  <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>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{removeAnnotations.submit}"></button>
               </form>

src/main/resources/templates/misc/remove-blanks.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{removeBlanks.header}"></span>
               </div>
               <form id="multiPdfForm" th:action="@{'/api/v1/misc/remove-blanks'}" 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 for="threshold" th:text="#{removeBlanks.threshold}"></label>
                   <input type="number" class="form-control" id="threshold" name="threshold" value="10">

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

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{repair.header}"></span>
               </div>
               <form id="multiPdfForm" th:action="@{'/api/v1/misc/repair'}" 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>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{repair.submit}"></button>
               </form>
             </div>

src/main/resources/templates/misc/show-javascript.html

@@ -26,7 +26,7 @@
                 <span class="tool-header-text" th:text="#{showJS.header}"></span>
               </div>
               <form id="pdfInfoForm" method="post" enctype="multipart/form-data" th:action="@{'/show-javascript'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, remoteCall='false', accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, remoteCall='false', accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{showJS.submit}"></button>
               </form>

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

@@ -28,7 +28,7 @@
                 <span class="tool-header-text" th:text="#{AddStampRequest.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/misc/add-stamp'}">
-                <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="pageOrder" th:text="#{pageSelectionPrompt}"></label>

src/main/resources/templates/multi-page-layout.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{pageLayout.header}"></span>
               </div>
               <form id="multiPdfForm" th:action="@{'/api/v1/general/multi-page-layout'}" 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 for="pagesPerSheet" th:text="#{pageLayout.pagesPerSheet}"></label>
                   <select class="form-control" id="pagesPerSheet" name="pagesPerSheet">

src/main/resources/templates/overlay-pdf.html

@@ -18,8 +18,8 @@
                 <span class="tool-header-text" th:text="#{overlay-pdfs.header}"></span>
               </div>
               <form id="overlayForm" method="post" enctype="multipart/form-data" th:action="@{'/api/v1/general/overlay-pdfs'}">
-                <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 th:replace="~{fragments/common :: fileSelector(name='overlayFiles', multiple=true, accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='overlayFiles', multipleInputsForSingleRequest=true, accept='application/pdf')}"></div>
 
                 <label for="overlayMode" th:text="#{overlay-pdfs.mode.label}">Overlay Mode</label>
                 <select id="overlayMode" name="overlayMode" class="form-control">

src/main/resources/templates/pdf-organizer.html

@@ -18,7 +18,7 @@
               </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>
                 <div class="mb-3">
                   <label for="customMode" th:text="#{pdfOrganiser.mode}">Mode</label>
                   <select class="form-control" id="customMode" name="customMode">

src/main/resources/templates/pdf-to-single-page.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{pdfToSinglePage.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/general/pdf-to-single-page'}">
-                <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" id="submitBtn" class="btn btn-primary" th:text="#{pdfToSinglePage.submit}"></button>
               </form>
             </div>

src/main/resources/templates/pipeline.html

@@ -64,7 +64,7 @@
                   </div>
                   <div class="element-margin">
                     <div
-                      th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=true)}"
+                      th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=true)}"
                     ></div>
                   </div>
                   <div class="element-margin">

src/main/resources/templates/remove-image-pdf.html

@@ -21,7 +21,7 @@
                         <span class="tool-header-text" th:text="#{removeImage.header}"></span>
                     </div>
                         <form action="api/v1/general/remove-image-pdf" 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>
 
                         <br>
                         <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{removeImage.submit}"></button>

src/main/resources/templates/remove-pages.html

@@ -18,7 +18,7 @@
               </div>
 
               <form th:action="@{'/api/v1/general/remove-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>
                 <div class="mb-3">
                   <label for="fileInput" th:text="#{pageRemover.pagesToDelete}"></label>
                   <input type="text" class="form-control" id="fileInput" name="pageNumbers" th:placeholder="#{pageRemover.placeholder}" required>

src/main/resources/templates/rotate-pdf.html

@@ -18,7 +18,7 @@
               </div>
 
               <form action="#" th:action="@{'/api/v1/general/rotate-pdf'}" th:object="${rotateForm}" 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="angleInput" name="angle" value="0">
 
                 <div id="editSection" style="display: none">

src/main/resources/templates/scale-pages.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{scalePages.header}"></span>
               </div>
               <form id="scalePagesFrom" th:action="@{'/api/v1/general/scale-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>
                 <div class="mb-3">
                   <label for="pageSize" th:text="#{scalePages.pageSize}"></label>
                   <select class="form-control" id="pageSize" name="pageSize">

src/main/resources/templates/security/add-password.html

@@ -19,7 +19,7 @@
               <form action="api/v1/security/add-password" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{addPassword.selectText.1}"></label>
-                  <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="mb-3">
                   <label th:text="#{addPassword.selectText.14}"></label> <input type="password" class="form-control" id="ownerPassword" name="ownerPassword">

src/main/resources/templates/security/add-watermark.html

@@ -20,7 +20,7 @@
               <form method="post" enctype="multipart/form-data" action="api/v1/security/add-watermark">
                 <div class="mb-3">
                   <label th:text="#{watermark.selectText.1}"></label>
-                  <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="mb-3">

src/main/resources/templates/security/cert-sign.html

@@ -19,7 +19,7 @@
               <form action="api/v1/security/cert-sign" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{certSign.selectPDF}"></label>
-                  <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>
                 <!-- Tell users to use keytool to generate JKS for other formats -->
                 <div class="mb-3">
@@ -37,20 +37,20 @@
                 <div id="pemGroup" style="display: none;">
                   <div class="mb-3">
                     <label th:text="#{certSign.selectKey}"></label>
-                    <div th:replace="~{fragments/common :: fileSelector(name='privateKeyFile', multiple=false, notRequired=true, accept='.pem,.der')}"></div>
+                    <div th:replace="~{fragments/common :: fileSelector(name='privateKeyFile', multipleInputsForSingleRequest=false, notRequired=true, accept='.pem,.der')}"></div>
                   </div>
                   <div class="mb-3">
                     <label th:text="#{certSign.selectCert}"></label>
-                    <div th:replace="~{fragments/common :: fileSelector(name='certFile', multiple=false, notRequired=true, accept='.pem,.der')}"></div>
+                    <div th:replace="~{fragments/common :: fileSelector(name='certFile', multipleInputsForSingleRequest=false, notRequired=true, accept='.pem,.der')}"></div>
                   </div>
                 </div>
                 <div class="mb-3" id="p12Group" style="display: none;">
                   <label th:text="#{certSign.selectP12}"></label>
-                  <div th:replace="~{fragments/common :: fileSelector(name='p12File', notRequired=true, multiple=false, accept='.p12,.pfx')}"></div>
+                  <div th:replace="~{fragments/common :: fileSelector(name='p12File', notRequired=true, multipleInputsForSingleRequest=false, accept='.p12,.pfx')}"></div>
                 </div>
                 <div class="mb-3" id="jksGroup" style="display: none;">
                   <label th:text="#{certSign.selectJKS}"></label>
-                  <div th:replace="~{fragments/common :: fileSelector(name='jksFile', notRequired=true, multiple=false, accept='.jks,.keystore')}"></div>
+                  <div th:replace="~{fragments/common :: fileSelector(name='jksFile', notRequired=true, multipleInputsForSingleRequest=false, accept='.jks,.keystore')}"></div>
                 </div>
                 <div class="mb-3">
                   <label th:text="#{certSign.password}" for="password"></label>

src/main/resources/templates/security/change-permissions.html

@@ -20,7 +20,7 @@
               <form action="api/v1/security/add-password" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{permissions.selectText.1}"></label>
-                  <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="mb-3">
                   <label class="mb-2" th:text="#{permissions.selectText.2}"></label>

src/main/resources/templates/security/get-info-on-pdf.html

@@ -17,7 +17,7 @@
                 <span class="tool-header-text" th:text="#{getPdfInfo.header}"></span>
               </div>
               <form id="pdfInfoForm" method="post" enctype="multipart/form-data" th:action="@{'/api/v1/security/get-info-on-pdf'}">
-                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, remoteCall='false', accept='application/pdf')}"></div>
+                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, remoteCall='false', accept='application/pdf')}"></div>
                 <br>
                 <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{getPdfInfo.submit}"></button>
               </form>

src/main/resources/templates/security/remove-cert-sign.html

@@ -19,7 +19,7 @@
               <form action="api/v1/security/remove-cert-sign" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{removeCertSign.selectPDF}"></label>
-                  <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="mb-3 text-center">
                   <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{removeCertSign.submit}"></button>

src/main/resources/templates/security/remove-password.html

@@ -19,7 +19,7 @@
               <form action="api/v1/security/remove-password" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
                   <label th:text="#{removePassword.selectText.1}"></label>
-                  <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="mb-3">
                   <label th:text="#{removePassword.selectText.2}"></label>

src/main/resources/templates/security/remove-watermark.html

@@ -19,7 +19,7 @@
               <form method="post" enctype="multipart/form-data" action="api/v1/security/remove-watermark">
                 <div class="mb-3">
                   <label th:text="#{remove-watermark.selectText.1}"></label>
-                  <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="mb-3">
                   <label for="watermarkText" th:text="#{remove-watermark.selectText.2}"></label>

src/main/resources/templates/security/sanitize-pdf.html

@@ -18,7 +18,7 @@
               </div>
               <form action="api/v1/security/sanitize-pdf" method="post" enctype="multipart/form-data">
                 <div class="mb-3">
-                  <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="removeJavaScript" name="removeJavaScript" checked>

src/main/resources/templates/sign.html

@@ -36,7 +36,7 @@
               </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, disableMultipleFiles=true,  accept='application/pdf')}"></div>
               <script>
                 let originalFileName = '';
                 document.querySelector('input[name=pdf-upload]').addEventListener('change', async (event) => {
@@ -61,7 +61,7 @@
               </script>
               <div class="tab-group show-on-file-selected">
                 <div class="tab-container" th:title="#{sign.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/split-by-size-or-count.html

@@ -18,7 +18,7 @@
                 <span class="tool-header-text" th:text="#{split-by-size-or-count.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/general/split-by-size-or-count'}">
-                <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>
                 <label for="splitType" th:text="#{split-by-size-or-count.type.label}">Split Type</label>
                 <select id="splitType" name="splitType" class="form-control">
                   <option value="0" th:text="#{split-by-size-or-count.type.size}">Size</option>

src/main/resources/templates/split-pdf-by-sections.html

@@ -19,7 +19,7 @@
                 <span class="tool-header-text" th:text="#{split-by-sections.header}"></span>
               </div>
               <form method="post" enctype="multipart/form-data" th:action="@{'/api/v1/general/split-pdf-by-sections'}">
-                <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>
                 <label for="horizontalDivisions" th:text="#{split-by-sections.horizontal.label}">Horizontal Divisions</label>
                 <input type="number" id="horizontalDivisions" name="horizontalDivisions" class="form-control" min="0" max="300" value="0" required th:placeholder="#{split-by-sections.horizontal.placeholder}">
                 <br>

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

@@ -20,7 +20,7 @@
             </div>
             <form th:action="@{'/api/v1/general/split-pages'}" 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="mb-3">