Merge branch 'main' into refactor-tests

.github/labeler-config-srvaroa.yml

@@ -78,6 +78,7 @@ labels:
       - 'app/core/src/main/resources/banner.txt'
       - 'app/core/src/main/resources/static/python/png_to_webp.py'
       - 'app/core/src/main/resources/static/python/split_photos.py'
+      - 'app/core/src/main/resources/static/pipeline/defaultWebUIConfigs/**'
       - 'application.properties'
 
   - label: 'Security'

.gitignore

@@ -124,10 +124,10 @@ SwaggerDoc.json
 *.tar.gz
 *.rar
 *.db
-/build
-/app/core/build
-/app/common/build
-/app/proprietary/build
+build
+app/core/build
+app/common/build
+app/proprietary/build
 common/build
 proprietary/build
 stirling-pdf/build

Dockerfile

@@ -3,7 +3,6 @@ FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8
 
 # Copy necessary files
 COPY scripts /scripts
-COPY pipeline /pipeline
 COPY app/core/src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto/
 COPY app/core/build/libs/*.jar app.jar
 

Dockerfile.fat

@@ -26,7 +26,6 @@ FROM alpine:3.22.1@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8
 
 # Copy necessary files
 COPY scripts /scripts
-COPY pipeline /pipeline
 COPY app/core/src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto/
 # first /app directory is for the build stage, second is for the final image
 COPY --from=build /app/app/core/build/libs/*.jar app.jar

Dockerfile.ultra-lite

@@ -21,7 +21,6 @@ ENV DISABLE_ADDITIONAL_FEATURES=true \
 COPY scripts/download-security-jar.sh /scripts/download-security-jar.sh
 COPY scripts/init-without-ocr.sh /scripts/init-without-ocr.sh
 COPY scripts/installFonts.sh /scripts/installFonts.sh
-COPY pipeline /pipeline
 COPY app/core/build/libs/*.jar app.jar
 
 # Set up necessary directories and permissions
@@ -39,10 +38,10 @@ RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /et
         su-exec \
         openjdk21-jre && \
     # User permissions
-    mkdir -p /configs /logs /customFiles /usr/share/fonts/opentype/noto /tmp/stirling-pdf && \
+    mkdir -p /configs /logs /customFiles /usr/share/fonts/opentype/noto /tmp/stirling-pdf /pipeline/watchedFolders /pipeline/finishedFolders && \
     chmod +x /scripts/*.sh && \
     addgroup -S stirlingpdfgroup && adduser -S stirlingpdfuser -G stirlingpdfgroup && \
-    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts  /configs /customFiles /pipeline /tmp/stirling-pdf && \
+    chown -R stirlingpdfuser:stirlingpdfgroup $HOME /scripts /pipeline /configs /customFiles /tmp/stirling-pdf && \
     chown stirlingpdfuser:stirlingpdfgroup /app.jar
 
 # Set environment variables

app/common/src/main/java/stirling/software/common/configuration/InstallationPathConfig.java

@@ -15,6 +15,7 @@ public class InstallationPathConfig {
     private static final String CUSTOM_FILES_PATH;
     private static final String CLIENT_WEBUI_PATH;
     private static final String SCRIPTS_PATH;
+    private static final String PIPELINE_PATH;
 
     // Config paths
     private static final String SETTINGS_PATH;
@@ -33,6 +34,7 @@ public class InstallationPathConfig {
         CONFIG_PATH = BASE_PATH + "configs" + File.separator;
         CUSTOM_FILES_PATH = BASE_PATH + "customFiles" + File.separator;
         CLIENT_WEBUI_PATH = BASE_PATH + "clientWebUI" + File.separator;
+        PIPELINE_PATH = BASE_PATH + "pipeline" + File.separator;
 
         // Initialize config paths
         SETTINGS_PATH = CONFIG_PATH + "settings.yml";
@@ -95,6 +97,10 @@ public class InstallationPathConfig {
         return SCRIPTS_PATH;
     }
 
+    public static String getPipelinePath() {
+        return PIPELINE_PATH;
+    }
+
     public static String getSettingsPath() {
         return SETTINGS_PATH;
     }

app/common/src/main/java/stirling/software/common/model/ApplicationProperties.java

@@ -25,6 +25,9 @@ import org.springframework.core.io.Resource;
 import org.springframework.core.io.support.EncodedResource;
 import org.springframework.stereotype.Component;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
@@ -58,7 +61,10 @@ public class ApplicationProperties {
     private Mail mail = new Mail();
 
     private Premium premium = new Premium();
+
+    @JsonIgnore // Deprecated - completely hidden from JSON serialization
     private EnterpriseEdition enterpriseEdition = new EnterpriseEdition();
+
     private AutoPipeline autoPipeline = new AutoPipeline();
     private ProcessExecutor processExecutor = new ProcessExecutor();
 
@@ -168,14 +174,27 @@ public class ApplicationProperties {
             private Boolean autoCreateUser = false;
             private Boolean blockRegistration = false;
             private String registrationId = "stirling";
-            @ToString.Exclude private String idpMetadataUri;
+
+            @ToString.Exclude
+            @JsonProperty("idpMetadataUri")
+            private String idpMetadataUri;
+
             private String idpSingleLogoutUrl;
             private String idpSingleLoginUrl;
             private String idpIssuer;
-            private String idpCert;
-            @ToString.Exclude private String privateKey;
-            @ToString.Exclude private String spCert;
 
+            @JsonProperty("idpCert")
+            private String idpCert;
+
+            @ToString.Exclude
+            @JsonProperty("privateKey")
+            private String privateKey;
+
+            @ToString.Exclude
+            @JsonProperty("spCert")
+            private String spCert;
+
+            @JsonIgnore
             public InputStream getIdpMetadataUri() throws IOException {
                 if (idpMetadataUri.startsWith("classpath:")) {
                     return new ClassPathResource(idpMetadataUri.substring("classpath".length()))
@@ -192,6 +211,7 @@ public class ApplicationProperties {
                 }
             }
 
+            @JsonIgnore
             public Resource getSpCert() {
                 if (spCert == null) return null;
                 if (spCert.startsWith("classpath:")) {
@@ -201,6 +221,7 @@ public class ApplicationProperties {
                 }
             }
 
+            @JsonIgnore
             public Resource getIdpCert() {
                 if (idpCert == null) return null;
                 if (idpCert.startsWith("classpath:")) {
@@ -210,6 +231,7 @@ public class ApplicationProperties {
                 }
             }
 
+            @JsonIgnore
             public Resource getPrivateKey() {
                 if (privateKey.startsWith("classpath:")) {
                     return new ClassPathResource(privateKey.substring("classpath:".length()));
@@ -321,8 +343,12 @@ public class ApplicationProperties {
 
     @Data
     public static class TempFileManagement {
+        @JsonProperty("baseTmpDir")
         private String baseTmpDir = "";
+
+        @JsonProperty("libreofficeDir")
         private String libreofficeDir = "";
+
         private String systemTempDir = "";
         private String prefix = "stirling-pdf-";
         private long maxAgeHours = 24;
@@ -330,12 +356,14 @@ public class ApplicationProperties {
         private boolean startupCleanup = true;
         private boolean cleanupSystemTemp = false;
 
+        @JsonIgnore
         public String getBaseTmpDir() {
             return baseTmpDir != null && !baseTmpDir.isEmpty()
                     ? baseTmpDir
                     : java.lang.System.getProperty("java.io.tmpdir") + "/stirling-pdf";
         }
 
+        @JsonIgnore
         public String getLibreofficeDir() {
             return libreofficeDir != null && !libreofficeDir.isEmpty()
                     ? libreofficeDir
@@ -611,12 +639,24 @@ public class ApplicationProperties {
 
         @Data
         public static class TimeoutMinutes {
+            @JsonProperty("libreOfficetimeoutMinutes")
             private long libreOfficeTimeoutMinutes;
+
+            @JsonProperty("pdfToHtmltimeoutMinutes")
             private long pdfToHtmlTimeoutMinutes;
+
+            @JsonProperty("pythonOpenCvtimeoutMinutes")
             private long pythonOpenCvTimeoutMinutes;
+
+            @JsonProperty("weasyPrinttimeoutMinutes")
             private long weasyPrintTimeoutMinutes;
+
+            @JsonProperty("installApptimeoutMinutes")
             private long installAppTimeoutMinutes;
+
+            @JsonProperty("calibretimeoutMinutes")
             private long calibreTimeoutMinutes;
+
             private long tesseractTimeoutMinutes;
             private long qpdfTimeoutMinutes;
             private long ghostscriptTimeoutMinutes;

app/common/src/main/java/stirling/software/common/util/GeneralUtils.java

@@ -14,6 +14,7 @@ import java.util.Arrays;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.Locale;
+import java.util.Set;
 import java.util.UUID;
 
 import org.springframework.core.io.ClassPathResource;
@@ -34,8 +35,16 @@ import stirling.software.common.configuration.InstallationPathConfig;
 @Slf4j
 public class GeneralUtils {
 
-    private static final List<String> DEFAULT_VALID_SCRIPTS =
-            List.of("png_to_webp.py", "split_photos.py");
+    private static final Set<String> DEFAULT_VALID_SCRIPTS =
+            Set.of("png_to_webp.py", "split_photos.py");
+    private static final Set<String> DEFAULT_VALID_PIPELINE =
+            Set.of(
+                    "OCR images.json",
+                    "Prepare-pdfs-for-email.json",
+                    "split-rotate-auto-rename.json");
+
+    private static final String DEFAULT_WEBUI_CONFIGS_DIR = "defaultWebUIConfigs";
+    private static final String PYTHON_SCRIPTS_DIR = "python";
 
     public static File convertMultipartFileToFile(MultipartFile multipartFile) throws IOException {
         String customTempDir = System.getenv("STIRLING_TEMPFILES_DIRECTORY");
@@ -447,7 +456,46 @@ public class GeneralUtils {
     }
 
     /**
-     * Extracts a file from classpath:/static/python to a temporary directory and returns the path.
+     * Extracts the default pipeline configurations from the classpath to the installation path.
+     * Creates directories if needed and copies default JSON files.
+     *
+     * <p>Existing files will be overwritten atomically (when supported). In case of unsupported
+     * atomic moves, falls back to non-atomic replace.
+     *
+     * @throws IOException if an I/O error occurs during file operations
+     */
+    public static void extractPipeline() throws IOException {
+        Path pipelineDir =
+                Paths.get(InstallationPathConfig.getPipelinePath(), DEFAULT_WEBUI_CONFIGS_DIR);
+        Files.createDirectories(pipelineDir);
+
+        for (String name : DEFAULT_VALID_PIPELINE) {
+            if (!Paths.get(name).getFileName().toString().equals(name)) {
+                log.error("Invalid pipeline file name: {}", name);
+                throw new IllegalArgumentException("Invalid pipeline file name: " + name);
+            }
+            Path target = pipelineDir.resolve(name);
+            ClassPathResource res =
+                    new ClassPathResource(
+                            "static/pipeline/" + DEFAULT_WEBUI_CONFIGS_DIR + "/" + name);
+            if (!res.exists()) {
+                log.error("Resource not found: {}", res.getPath());
+                throw new IOException("Resource not found: " + res.getPath());
+            }
+            copyResourceToFile(res, target);
+        }
+    }
+
+    /**
+     * Extracts the specified Python script from the classpath to the installation path. Validates
+     * name and copies file atomically when possible, overwriting existing.
+     *
+     * <p>Existing files will be overwritten atomically (when supported).
+     *
+     * @param scriptName the name of the script to extract
+     * @return the path to the extracted script
+     * @throws IllegalArgumentException if the script name is invalid or not allowed
+     * @throws IOException if an I/O error occurs
      */
     public static Path extractScript(String scriptName) throws IOException {
         // Validate input
@@ -458,26 +506,71 @@ public class GeneralUtils {
             throw new IllegalArgumentException(
                     "scriptName must not contain path traversal characters");
         }
+        if (!Paths.get(scriptName).getFileName().toString().equals(scriptName)) {
+            throw new IllegalArgumentException(
+                    "scriptName must not contain path traversal characters");
+        }
 
         if (!DEFAULT_VALID_SCRIPTS.contains(scriptName)) {
             throw new IllegalArgumentException(
                     "scriptName must be either 'png_to_webp.py' or 'split_photos.py'");
         }
 
-        Path scriptsDir = Paths.get(InstallationPathConfig.getScriptsPath(), "python");
+        Path scriptsDir = Paths.get(InstallationPathConfig.getScriptsPath(), PYTHON_SCRIPTS_DIR);
         Files.createDirectories(scriptsDir);
 
-        Path scriptFile = scriptsDir.resolve(scriptName);
-        if (!Files.exists(scriptFile)) {
-            ClassPathResource resource = new ClassPathResource("static/python/" + scriptName);
-            try (InputStream in = resource.getInputStream()) {
-                Files.copy(in, scriptFile, StandardCopyOption.REPLACE_EXISTING);
+        Path target = scriptsDir.resolve(scriptName);
+        ClassPathResource res =
+                new ClassPathResource("static/" + PYTHON_SCRIPTS_DIR + "/" + scriptName);
+        if (!res.exists()) {
+            log.error("Resource not found: {}", res.getPath());
+            throw new IOException("Resource not found: " + res.getPath());
+        }
+        copyResourceToFile(res, target);
+        return target;
+    }
+
+    /**
+     * Copies a resource from the classpath to a specified target file.
+     *
+     * @param resource the ClassPathResource to copy
+     * @param target the target Path where the resource will be copied
+     * @throws IOException if an I/O error occurs during the copy operation
+     */
+    private static void copyResourceToFile(ClassPathResource resource, Path target)
+            throws IOException {
+        Path dir = target.getParent();
+        Path tmp = Files.createTempFile(dir, target.getFileName().toString(), ".tmp");
+        try (InputStream in = resource.getInputStream()) {
+            Files.copy(in, tmp, StandardCopyOption.REPLACE_EXISTING);
+            try {
+                Files.move(tmp, target, StandardCopyOption.ATOMIC_MOVE);
+            } catch (AtomicMoveNotSupportedException e) {
+                log.warn(
+                        "Atomic move not supported, falling back to non-atomic move for {}",
+                        target,
+                        e);
+                Files.move(tmp, target, StandardCopyOption.REPLACE_EXISTING);
+            }
+        } catch (FileAlreadyExistsException e) {
+            log.debug("File already exists at {}, attempting to replace it.", target);
+            Files.move(tmp, target, StandardCopyOption.REPLACE_EXISTING);
+        } catch (AccessDeniedException e) {
+            log.error("Access denied while attempting to copy resource to {}", target, e);
+            throw e;
+        } catch (FileSystemException e) {
+            log.error("File system error occurred while copying resource to {}", target, e);
+            throw e;
+        } catch (IOException e) {
+            log.error("Failed to copy resource to {}", target, e);
+            throw e;
+        } finally {
+            try {
+                Files.deleteIfExists(tmp);
             } catch (IOException e) {
-                log.error("Failed to extract Python script", e);
-                throw e;
+                log.warn("Failed to delete temporary file {}", tmp, e);
             }
         }
-        return scriptFile;
     }
 
     public static boolean isVersionHigher(String currentVersion, String compareVersion) {

app/core/.gitignore

@@ -16,8 +16,7 @@ local.properties
 version.properties
 
 #### Stirling-PDF Files ###
-pipeline/watchedFolders/
-pipeline/finishedFolders/
+pipeline/*
 customFiles/
 configs/
 watchedFolders/

app/core/src/main/java/stirling/software/SPDF/config/CleanUrlInterceptor.java

@@ -36,9 +36,15 @@ public class CleanUrlInterceptor implements HandlerInterceptor {
     public boolean preHandle(
             HttpServletRequest request, HttpServletResponse response, Object handler)
             throws Exception {
+        String requestURI = request.getRequestURI();
+
+        // Skip URL cleaning for API endpoints - they need their own parameter handling
+        if (requestURI.contains("/api/")) {
+            return true;
+        }
+
         String queryString = request.getQueryString();
         if (queryString != null && !queryString.isEmpty()) {
-            String requestURI = request.getRequestURI();
             Map<String, String> allowedParameters = new HashMap<>();
 
             // Keep only the allowed parameters

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

@@ -421,7 +421,6 @@ public class EndpointConfiguration {
 
         // file-to-pdf has multiple implementations
         addEndpointAlternative("file-to-pdf", "LibreOffice");
-        addEndpointAlternative("file-to-pdf", "Python");
         addEndpointAlternative("file-to-pdf", "Unoconvert");
 
         // pdf-to-html and pdf-to-markdown can use either LibreOffice or Pdftohtml

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

@@ -35,6 +35,7 @@ public class InitialSetup {
         initEnableCSRFSecurity();
         initLegalUrls();
         initSetAppVersion();
+        GeneralUtils.extractPipeline();
     }
 
     public void initUUIDKey() throws IOException {

app/core/src/main/resources/static/js/search.js

@@ -82,55 +82,62 @@ document.querySelector("#navbarSearchInput").addEventListener("input", function
   resultsBox.style.width = window.navItemMaxWidth + "px";
 });
 
+document.addEventListener('DOMContentLoaded', function () {
+  const searchDropdown = document.getElementById('searchDropdown');
+  const searchInput = document.getElementById('navbarSearchInput');
 
-const searchDropdown = document.getElementById('searchDropdown');
-const searchInput = document.getElementById('navbarSearchInput');
+  // Check if elements are missing and skip initialization if necessary
+  if (!searchDropdown || !searchInput) {
+    console.warn('Search dropdown or input not found. Skipping initialization.');
+    return;
+  }
+  const dropdownMenu = searchDropdown.querySelector('.dropdown-menu');
+  if (!dropdownMenu) {
+    console.warn('Dropdown menu not found within the search dropdown. Skipping initialization.');
+    return;
+  }
 
-// Check if elements exist before proceeding
-if (searchDropdown && searchInput) {
-    const dropdownMenu = searchDropdown.querySelector('.dropdown-menu');
+  // Create a single dropdown instance
+  const dropdownInstance = new bootstrap.Dropdown(searchDropdown);
 
-        // Create a single dropdown instance
-    const dropdownInstance = new bootstrap.Dropdown(searchDropdown);
-
-// Handle click for mobile
-    searchDropdown.addEventListener('click', function (e) {
-        e.preventDefault();
-        const isOpen = dropdownMenu.classList.contains('show');
-        // Close all other open dropdowns
-        document.querySelectorAll('.navbar-nav .dropdown-menu.show').forEach((menu) => {
-            if (menu !== dropdownMenu) {
-                const parentDropdown = menu.closest('.dropdown');
-                if (parentDropdown) {
-                    const parentToggle = parentDropdown.querySelector('[data-bs-toggle="dropdown"]');
-                    if (parentToggle) {
-                        let instance = bootstrap.Dropdown.getInstance(parentToggle);
-                        if (!instance) {
-                            instance = new bootstrap.Dropdown(parentToggle);
-                        }
-                        instance.hide();
-                    }
-                }
+  // Handle click for mobile
+  searchDropdown.addEventListener('click', function (e) {
+    e.preventDefault();
+    const isOpen = dropdownMenu.classList.contains('show');
+    // Close all other open dropdowns
+    document.querySelectorAll('.navbar-nav .dropdown-menu.show').forEach((menu) => {
+      if (menu !== dropdownMenu) {
+        const parentDropdown = menu.closest('.dropdown');
+        if (parentDropdown) {
+          const parentToggle = parentDropdown.querySelector('[data-bs-toggle="dropdown"]');
+          if (parentToggle) {
+            let instance = bootstrap.Dropdown.getInstance(parentToggle);
+            if (!instance) {
+              instance = new bootstrap.Dropdown(parentToggle);
             }
-        });
-        if (!isOpen) {
-            dropdownInstance.show();
-            setTimeout(() => searchInput.focus(), 150);
-        } else {
-            dropdownInstance.hide();
+            instance.hide();
+          }
         }
+      }
     });
+    if (!isOpen) {
+      dropdownInstance.show();
+      setTimeout(() => searchInput.focus(), 150);
+    } else {
+      dropdownInstance.hide();
+    }
+  });
 
-    // Hide dropdown if it's open and user clicks outside
-    document.addEventListener('click', function(e) {
-        if (!searchDropdown.contains(e.target) && dropdownMenu.classList.contains('show')) {
-            dropdownInstance.hide();
-        }
-    });
+  // Hide dropdown if it's open and user clicks outside
+  document.addEventListener('click', function (e) {
+    if (!searchDropdown.contains(e.target) && dropdownMenu.classList.contains('show')) {
+      dropdownInstance.hide();
+    }
+  });
 
-    // Keep dropdown open if search input is clicked
-    searchInput.addEventListener('click', function (e) {
-        e.stopPropagation();
-    });
+  // Keep dropdown open if search input is clicked
+  searchInput.addEventListener('click', function (e) {
+    e.stopPropagation();
+  });
 
-}
+});

app/proprietary/src/main/java/stirling/software/proprietary/security/controller/api/AdminSettingsController.java

@@ -0,0 +1,633 @@
+package stirling.software.proprietary.security.controller.api;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Pattern;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.util.HtmlUtils;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+
+import jakarta.validation.Valid;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import stirling.software.common.model.ApplicationProperties;
+import stirling.software.common.util.GeneralUtils;
+import stirling.software.proprietary.security.model.api.admin.SettingValueResponse;
+import stirling.software.proprietary.security.model.api.admin.UpdateSettingValueRequest;
+import stirling.software.proprietary.security.model.api.admin.UpdateSettingsRequest;
+
+@Controller
+@Tag(name = "Admin Settings", description = "Admin-only Settings Management APIs")
+@RequestMapping("/api/v1/admin/settings")
+@RequiredArgsConstructor
+@PreAuthorize("hasRole('ROLE_ADMIN')")
+@Slf4j
+public class AdminSettingsController {
+
+    private final ApplicationProperties applicationProperties;
+    private final ObjectMapper objectMapper;
+
+    // Track settings that have been modified but not yet applied (require restart)
+    private static final ConcurrentHashMap<String, Object> pendingChanges =
+            new ConcurrentHashMap<>();
+
+    // Define specific sensitive field names that contain secret values
+    private static final Set<String> SENSITIVE_FIELD_NAMES =
+            new HashSet<>(
+                    Arrays.asList(
+                            // Passwords
+                            "password",
+                            "dbpassword",
+                            "mailpassword",
+                            "smtppassword",
+                            // OAuth/API secrets
+                            "clientsecret",
+                            "apisecret",
+                            "secret",
+                            // API tokens
+                            "apikey",
+                            "accesstoken",
+                            "refreshtoken",
+                            "token",
+                            // Specific secret keys (not all keys, and excluding premium.key)
+                            "key", // automaticallyGenerated.key
+                            "enterprisekey",
+                            "licensekey"));
+
+    @GetMapping
+    @Operation(
+            summary = "Get all application settings",
+            description =
+                    "Retrieve all current application settings. Use includePending=true to include settings that will take effect after restart. Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(responseCode = "200", description = "Settings retrieved successfully"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required")
+            })
+    public ResponseEntity<?> getSettings(
+            @RequestParam(value = "includePending", defaultValue = "false")
+                    boolean includePending) {
+        log.debug("Admin requested all application settings (includePending={})", includePending);
+
+        // Convert ApplicationProperties to Map
+        Map<String, Object> settings = objectMapper.convertValue(applicationProperties, Map.class);
+
+        if (includePending && !pendingChanges.isEmpty()) {
+            // Merge pending changes into the settings map
+            settings = mergePendingChanges(settings, pendingChanges);
+        }
+
+        // Mask sensitive fields after merging
+        Map<String, Object> maskedSettings = maskSensitiveFields(settings);
+
+        return ResponseEntity.ok(maskedSettings);
+    }
+
+    @GetMapping("/delta")
+    @Operation(
+            summary = "Get pending settings changes",
+            description =
+                    "Retrieve settings that have been modified but not yet applied (require restart). Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(
+                        responseCode = "200",
+                        description = "Pending changes retrieved successfully"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required")
+            })
+    public ResponseEntity<?> getSettingsDelta() {
+        Map<String, Object> response = new HashMap<>();
+        // Mask sensitive fields in pending changes
+        response.put("pendingChanges", maskSensitiveFields(new HashMap<>(pendingChanges)));
+        response.put("hasPendingChanges", !pendingChanges.isEmpty());
+        response.put("count", pendingChanges.size());
+
+        log.debug("Admin requested pending changes - found {} settings", pendingChanges.size());
+        return ResponseEntity.ok(response);
+    }
+
+    @PutMapping
+    @Operation(
+            summary = "Update application settings (delta updates)",
+            description =
+                    "Update specific application settings using dot notation keys. Only sends changed values. Changes take effect on restart. Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(responseCode = "200", description = "Settings updated successfully"),
+                @ApiResponse(responseCode = "400", description = "Invalid setting key or value"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required"),
+                @ApiResponse(
+                        responseCode = "500",
+                        description = "Failed to save settings to configuration file")
+            })
+    public ResponseEntity<String> updateSettings(
+            @Valid @RequestBody UpdateSettingsRequest request) {
+        try {
+            Map<String, Object> settings = request.getSettings();
+            if (settings == null || settings.isEmpty()) {
+                return ResponseEntity.badRequest().body("No settings provided to update");
+            }
+
+            int updatedCount = 0;
+            for (Map.Entry<String, Object> entry : settings.entrySet()) {
+                String key = entry.getKey();
+                Object value = entry.getValue();
+
+                if (!isValidSettingKey(key)) {
+                    return ResponseEntity.badRequest()
+                            .body("Invalid setting key format: " + HtmlUtils.htmlEscape(key));
+                }
+
+                log.info("Admin updating setting: {} = {}", key, value);
+                GeneralUtils.saveKeyToSettings(key, value);
+
+                // Track this as a pending change
+                pendingChanges.put(key, value);
+
+                updatedCount++;
+            }
+
+            return ResponseEntity.ok(
+                    String.format(
+                            "Successfully updated %d setting(s). Changes will take effect on application restart.",
+                            updatedCount));
+
+        } catch (IOException e) {
+            log.error("Failed to save settings to file: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(GENERIC_FILE_ERROR);
+
+        } catch (IllegalArgumentException e) {
+            log.error("Invalid setting key or value: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(GENERIC_INVALID_SETTING);
+        } catch (Exception e) {
+            log.error("Unexpected error while updating settings: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body(GENERIC_SERVER_ERROR);
+        }
+    }
+
+    @GetMapping("/section/{sectionName}")
+    @Operation(
+            summary = "Get specific settings section",
+            description =
+                    "Retrieve settings for a specific section (e.g., security, system, ui). Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(
+                        responseCode = "200",
+                        description = "Section settings retrieved successfully"),
+                @ApiResponse(responseCode = "400", description = "Invalid section name"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required")
+            })
+    public ResponseEntity<?> getSettingsSection(@PathVariable String sectionName) {
+        try {
+            Object sectionData = getSectionData(sectionName);
+            if (sectionData == null) {
+                return ResponseEntity.badRequest()
+                        .body(
+                                "Invalid section name: "
+                                        + HtmlUtils.htmlEscape(sectionName)
+                                        + ". Valid sections: "
+                                        + String.join(", ", VALID_SECTION_NAMES));
+            }
+            log.debug("Admin requested settings section: {}", sectionName);
+            return ResponseEntity.ok(sectionData);
+        } catch (IllegalArgumentException e) {
+            log.error("Invalid section name {}: {}", sectionName, e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                    .body("Invalid section name: " + HtmlUtils.htmlEscape(sectionName));
+        } catch (Exception e) {
+            log.error("Error retrieving section {}: {}", sectionName, e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("Failed to retrieve section.");
+        }
+    }
+
+    @PutMapping("/section/{sectionName}")
+    @Operation(
+            summary = "Update specific settings section",
+            description = "Update all settings within a specific section. Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(
+                        responseCode = "200",
+                        description = "Section settings updated successfully"),
+                @ApiResponse(responseCode = "400", description = "Invalid section name or data"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required"),
+                @ApiResponse(responseCode = "500", description = "Failed to save settings")
+            })
+    public ResponseEntity<String> updateSettingsSection(
+            @PathVariable String sectionName, @Valid @RequestBody Map<String, Object> sectionData) {
+        try {
+            if (sectionData == null || sectionData.isEmpty()) {
+                return ResponseEntity.badRequest().body("No section data provided to update");
+            }
+
+            if (!isValidSectionName(sectionName)) {
+                return ResponseEntity.badRequest()
+                        .body(
+                                "Invalid section name: "
+                                        + HtmlUtils.htmlEscape(sectionName)
+                                        + ". Valid sections: "
+                                        + String.join(", ", VALID_SECTION_NAMES));
+            }
+
+            int updatedCount = 0;
+            for (Map.Entry<String, Object> entry : sectionData.entrySet()) {
+                String propertyKey = entry.getKey();
+                String fullKey = sectionName + "." + propertyKey;
+                Object value = entry.getValue();
+
+                if (!isValidSettingKey(fullKey)) {
+                    return ResponseEntity.badRequest()
+                            .body("Invalid setting key format: " + HtmlUtils.htmlEscape(fullKey));
+                }
+
+                log.info("Admin updating section setting: {} = {}", fullKey, value);
+                GeneralUtils.saveKeyToSettings(fullKey, value);
+
+                // Track this as a pending change
+                pendingChanges.put(fullKey, value);
+
+                updatedCount++;
+            }
+
+            String escapedSectionName = HtmlUtils.htmlEscape(sectionName);
+            return ResponseEntity.ok(
+                    String.format(
+                            "Successfully updated %d setting(s) in section '%s'. Changes will take effect on application restart.",
+                            updatedCount, escapedSectionName));
+
+        } catch (IOException e) {
+            log.error("Failed to save section settings to file: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(GENERIC_FILE_ERROR);
+        } catch (IllegalArgumentException e) {
+            log.error("Invalid section data: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(GENERIC_INVALID_SECTION);
+        } catch (Exception e) {
+            log.error("Unexpected error while updating section settings: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body(GENERIC_SERVER_ERROR);
+        }
+    }
+
+    @GetMapping("/key/{key}")
+    @Operation(
+            summary = "Get specific setting value",
+            description =
+                    "Retrieve value for a specific setting key using dot notation. Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(
+                        responseCode = "200",
+                        description = "Setting value retrieved successfully"),
+                @ApiResponse(responseCode = "400", description = "Invalid setting key"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required")
+            })
+    public ResponseEntity<?> getSettingValue(@PathVariable String key) {
+        try {
+            if (!isValidSettingKey(key)) {
+                return ResponseEntity.badRequest()
+                        .body("Invalid setting key format: " + HtmlUtils.htmlEscape(key));
+            }
+
+            Object value = getSettingByKey(key);
+            if (value == null) {
+                return ResponseEntity.badRequest()
+                        .body("Setting key not found: " + HtmlUtils.htmlEscape(key));
+            }
+            log.debug("Admin requested setting: {}", key);
+            return ResponseEntity.ok(new SettingValueResponse(key, value));
+        } catch (IllegalArgumentException e) {
+            log.error("Invalid setting key {}: {}", key, e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                    .body("Invalid setting key: " + HtmlUtils.htmlEscape(key));
+        } catch (Exception e) {
+            log.error("Error retrieving setting {}: {}", key, e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body("Failed to retrieve setting.");
+        }
+    }
+
+    @PutMapping("/key/{key}")
+    @Operation(
+            summary = "Update specific setting value",
+            description =
+                    "Update value for a specific setting key using dot notation. Admin access required.")
+    @ApiResponses(
+            value = {
+                @ApiResponse(responseCode = "200", description = "Setting updated successfully"),
+                @ApiResponse(responseCode = "400", description = "Invalid setting key or value"),
+                @ApiResponse(
+                        responseCode = "403",
+                        description = "Access denied - Admin role required"),
+                @ApiResponse(responseCode = "500", description = "Failed to save setting")
+            })
+    public ResponseEntity<String> updateSettingValue(
+            @PathVariable String key, @Valid @RequestBody UpdateSettingValueRequest request) {
+        try {
+            if (!isValidSettingKey(key)) {
+                return ResponseEntity.badRequest()
+                        .body("Invalid setting key format: " + HtmlUtils.htmlEscape(key));
+            }
+
+            Object value = request.getValue();
+            log.info("Admin updating single setting: {} = {}", key, value);
+            GeneralUtils.saveKeyToSettings(key, value);
+
+            // Track this as a pending change
+            pendingChanges.put(key, value);
+
+            String escapedKey = HtmlUtils.htmlEscape(key);
+            return ResponseEntity.ok(
+                    String.format(
+                            "Successfully updated setting '%s'. Changes will take effect on application restart.",
+                            escapedKey));
+
+        } catch (IOException e) {
+            log.error("Failed to save setting to file: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(GENERIC_FILE_ERROR);
+        } catch (IllegalArgumentException e) {
+            log.error("Invalid setting key or value: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(GENERIC_INVALID_SETTING);
+        } catch (Exception e) {
+            log.error("Unexpected error while updating setting: {}", e.getMessage(), e);
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
+                    .body(GENERIC_SERVER_ERROR);
+        }
+    }
+
+    private Object getSectionData(String sectionName) {
+        if (sectionName == null || sectionName.trim().isEmpty()) {
+            return null;
+        }
+
+        return switch (sectionName.toLowerCase()) {
+            case "security" -> applicationProperties.getSecurity();
+            case "system" -> applicationProperties.getSystem();
+            case "ui" -> applicationProperties.getUi();
+            case "endpoints" -> applicationProperties.getEndpoints();
+            case "metrics" -> applicationProperties.getMetrics();
+            case "mail" -> applicationProperties.getMail();
+            case "premium" -> applicationProperties.getPremium();
+            case "processexecutor", "processExecutor" -> applicationProperties.getProcessExecutor();
+            case "autopipeline", "autoPipeline" -> applicationProperties.getAutoPipeline();
+            case "legal" -> applicationProperties.getLegal();
+            default -> null;
+        };
+    }
+
+    private boolean isValidSectionName(String sectionName) {
+        return getSectionData(sectionName) != null;
+    }
+
+    private static final java.util.Set<String> VALID_SECTION_NAMES =
+            java.util.Set.of(
+                    "security",
+                    "system",
+                    "ui",
+                    "endpoints",
+                    "metrics",
+                    "mail",
+                    "premium",
+                    "processExecutor",
+                    "processexecutor",
+                    "autoPipeline",
+                    "autopipeline",
+                    "legal");
+
+    // Pattern to validate safe property paths - only alphanumeric, dots, and underscores
+    private static final Pattern SAFE_KEY_PATTERN = Pattern.compile("^[a-zA-Z0-9._]+$");
+    private static final int MAX_NESTING_DEPTH = 10;
+
+    // Security: Generic error messages to prevent information disclosure
+    private static final String GENERIC_INVALID_SETTING = "Invalid setting key or value.";
+    private static final String GENERIC_INVALID_SECTION = "Invalid section data provided.";
+    private static final String GENERIC_SERVER_ERROR = "Internal server error occurred.";
+    private static final String GENERIC_FILE_ERROR =
+            "Failed to save settings to configuration file.";
+
+    private boolean isValidSettingKey(String key) {
+        if (key == null || key.trim().isEmpty()) {
+            return false;
+        }
+
+        // Check against pattern to prevent injection attacks
+        if (!SAFE_KEY_PATTERN.matcher(key).matches()) {
+            return false;
+        }
+
+        // Prevent excessive nesting depth
+        String[] parts = key.split("\\.");
+        if (parts.length > MAX_NESTING_DEPTH) {
+            return false;
+        }
+
+        // Ensure first part is a valid section name
+        if (parts.length > 0 && !VALID_SECTION_NAMES.contains(parts[0].toLowerCase())) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private Object getSettingByKey(String key) {
+        if (key == null || key.trim().isEmpty()) {
+            return null;
+        }
+
+        String[] parts = key.split("\\.", 2);
+        if (parts.length < 2) {
+            return null;
+        }
+
+        String sectionName = parts[0];
+        String propertyPath = parts[1];
+        Object section = getSectionData(sectionName);
+
+        if (section == null) {
+            return null;
+        }
+
+        try {
+            return getNestedProperty(section, propertyPath, 0);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            log.warn("Failed to get nested property {}: {}", key, e.getMessage());
+            return null;
+        }
+    }
+
+    private Object getNestedProperty(Object obj, String propertyPath, int depth)
+            throws NoSuchFieldException, IllegalAccessException {
+        if (obj == null) {
+            return null;
+        }
+
+        // Prevent excessive recursion depth
+        if (depth > MAX_NESTING_DEPTH) {
+            throw new IllegalAccessException("Maximum nesting depth exceeded");
+        }
+
+        try {
+            // Use Jackson ObjectMapper for safer property access
+            @SuppressWarnings("unchecked")
+            Map<String, Object> objectMap = objectMapper.convertValue(obj, Map.class);
+
+            String[] parts = propertyPath.split("\\.", 2);
+            String currentProperty = parts[0];
+
+            if (!objectMap.containsKey(currentProperty)) {
+                throw new NoSuchFieldException("Property not found: " + currentProperty);
+            }
+
+            Object value = objectMap.get(currentProperty);
+
+            if (parts.length == 1) {
+                return value;
+            } else {
+                return getNestedProperty(value, parts[1], depth + 1);
+            }
+        } catch (IllegalArgumentException e) {
+            // If Jackson fails, the property doesn't exist or isn't accessible
+            throw new NoSuchFieldException("Property not accessible: " + propertyPath);
+        }
+    }
+
+    /**
+     * Recursively mask sensitive fields in settings map. Sensitive fields are replaced with a
+     * status indicator showing if they're configured.
+     */
+    @SuppressWarnings("unchecked")
+    private Map<String, Object> maskSensitiveFields(Map<String, Object> settings) {
+        return maskSensitiveFieldsWithPath(settings, "");
+    }
+
+    @SuppressWarnings("unchecked")
+    private Map<String, Object> maskSensitiveFieldsWithPath(
+            Map<String, Object> settings, String path) {
+        Map<String, Object> masked = new HashMap<>();
+
+        for (Map.Entry<String, Object> entry : settings.entrySet()) {
+            String key = entry.getKey();
+            Object value = entry.getValue();
+            String currentPath = path.isEmpty() ? key : path + "." + key;
+
+            if (value instanceof Map) {
+                // Recursively mask nested objects
+                masked.put(
+                        key, maskSensitiveFieldsWithPath((Map<String, Object>) value, currentPath));
+            } else if (isSensitiveFieldWithPath(key, currentPath)) {
+                // Mask sensitive fields with status indicator
+                masked.put(key, createMaskedValue(value));
+            } else {
+                // Keep non-sensitive fields as-is
+                masked.put(key, value);
+            }
+        }
+
+        return masked;
+    }
+
+    /** Check if a field name indicates sensitive data with full path context */
+    private boolean isSensitiveFieldWithPath(String fieldName, String fullPath) {
+        String lowerField = fieldName.toLowerCase();
+        String lowerPath = fullPath.toLowerCase();
+
+        // Don't mask premium.key specifically
+        if ("key".equals(lowerField) && "premium.key".equals(lowerPath)) {
+            return false;
+        }
+
+        // Direct match with sensitive field names
+        if (SENSITIVE_FIELD_NAMES.contains(lowerField)) {
+            return true;
+        }
+
+        // Check for fields containing 'password' or 'secret'
+        return lowerField.contains("password") || lowerField.contains("secret");
+    }
+
+    /** Create a masked representation for sensitive fields */
+    private Object createMaskedValue(Object originalValue) {
+        if (originalValue == null
+                || (originalValue instanceof String && ((String) originalValue).trim().isEmpty())) {
+            return originalValue; // Keep empty/null values as-is
+        } else {
+            return "********";
+        }
+    }
+
+    /** Merge pending changes into the settings map using dot notation keys */
+    @SuppressWarnings("unchecked")
+    private Map<String, Object> mergePendingChanges(
+            Map<String, Object> settings, Map<String, Object> pendingChanges) {
+        // Create a deep copy of the settings to avoid modifying the original
+        Map<String, Object> mergedSettings = new HashMap<>(settings);
+
+        for (Map.Entry<String, Object> pendingEntry : pendingChanges.entrySet()) {
+            String dotNotationKey = pendingEntry.getKey();
+            Object pendingValue = pendingEntry.getValue();
+
+            // Split the dot notation key into parts
+            String[] keyParts = dotNotationKey.split("\\.");
+
+            // Navigate to the parent object and set the value
+            Map<String, Object> currentMap = mergedSettings;
+
+            // Navigate through all parts except the last one
+            for (int i = 0; i < keyParts.length - 1; i++) {
+                String keyPart = keyParts[i];
+
+                // Get or create the nested map
+                Object nested = currentMap.get(keyPart);
+                if (!(nested instanceof Map)) {
+                    // Create a new nested map if it doesn't exist or isn't a map
+                    nested = new HashMap<String, Object>();
+                    currentMap.put(keyPart, nested);
+                }
+                currentMap = (Map<String, Object>) nested;
+            }
+
+            // Set the final value
+            String finalKey = keyParts[keyParts.length - 1];
+            currentMap.put(finalKey, pendingValue);
+        }
+
+        return mergedSettings;
+    }
+}

app/proprietary/src/main/java/stirling/software/proprietary/security/model/api/admin/SettingValueResponse.java

@@ -0,0 +1,22 @@
+package stirling.software.proprietary.security.model.api.admin;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Schema(description = "Response containing a setting key and its current value")
+public class SettingValueResponse {
+
+    @Schema(
+            description = "The setting key in dot notation (e.g., 'system.enableAnalytics')",
+            example = "system.enableAnalytics")
+    private String key;
+
+    @Schema(description = "The current value of the setting", example = "true")
+    private Object value;
+}

app/proprietary/src/main/java/stirling/software/proprietary/security/model/api/admin/UpdateSettingValueRequest.java

@@ -0,0 +1,16 @@
+package stirling.software.proprietary.security.model.api.admin;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import jakarta.validation.constraints.NotNull;
+
+import lombok.Data;
+
+@Data
+@Schema(description = "Request to update a single setting value")
+public class UpdateSettingValueRequest {
+
+    @NotNull
+    @Schema(description = "The new value for the setting", example = "false")
+    private Object value;
+}

app/proprietary/src/main/java/stirling/software/proprietary/security/model/api/admin/UpdateSettingsRequest.java

@@ -0,0 +1,23 @@
+package stirling.software.proprietary.security.model.api.admin;
+
+import java.util.Map;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+
+import lombok.Data;
+
+@Data
+@Schema(description = "Request to update multiple application settings using delta updates")
+public class UpdateSettingsRequest {
+
+    @NotNull
+    @NotEmpty
+    @Schema(
+            description =
+                    "Map of setting keys to their new values using dot notation. Only changed values need to be included for delta updates.",
+            example = "{\"system.enableAnalytics\": false, \"ui.appName\": \"My PDF Tool\"}")
+    private Map<String, Object> settings;
+}

build.gradle

@@ -57,7 +57,7 @@ repositories {
 
 allprojects {
     group = 'stirling.software'
-    version = '1.1.0'
+    version = '1.1.1'
 
     configurations.configureEach {
         exclude group: 'commons-logging', module: 'commons-logging'