[V2] feat(redaction): implement PDFium-based redaction service and CLI tool

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

@@ -410,6 +410,7 @@ public static class Pipeline {
         public static class Operations {
             private String weasyprint;
             private String unoconvert;
+            private String embedpdfFrontend;
         }
     }
 
@@ -646,6 +647,7 @@ public static class SessionLimit {
             private int tesseractSessionLimit;
             private int ghostscriptSessionLimit;
             private int ocrMyPdfSessionLimit;
+            private int pdfiumRedactorSessionLimit;
 
             public int getQpdfSessionLimit() {
                 return qpdfSessionLimit > 0 ? qpdfSessionLimit : 2;
@@ -686,6 +688,10 @@ public int getGhostscriptSessionLimit() {
             public int getOcrMyPdfSessionLimit() {
                 return ocrMyPdfSessionLimit > 0 ? ocrMyPdfSessionLimit : 2;
             }
+
+            public int getPdfiumRedactorSessionLimit() {
+                return pdfiumRedactorSessionLimit > 0 ? pdfiumRedactorSessionLimit : 1;
+            }
         }
 
         @Data
@@ -712,6 +718,7 @@ public static class TimeoutMinutes {
             private long qpdfTimeoutMinutes;
             private long ghostscriptTimeoutMinutes;
             private long ocrMyPdfTimeoutMinutes;
+            private long pdfiumRedactorTimeoutMinutes;
 
             public long getTesseractTimeoutMinutes() {
                 return tesseractTimeoutMinutes > 0 ? tesseractTimeoutMinutes : 30;
@@ -752,6 +759,10 @@ public long getGhostscriptTimeoutMinutes() {
             public long getOcrMyPdfTimeoutMinutes() {
                 return ocrMyPdfTimeoutMinutes > 0 ? ocrMyPdfTimeoutMinutes : 30;
             }
+
+            public long getPdfiumRedactorTimeoutMinutes() {
+                return pdfiumRedactorTimeoutMinutes > 0 ? pdfiumRedactorTimeoutMinutes : 30;
+            }
         }
     }
 }

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

@@ -97,6 +97,11 @@ public static ProcessExecutor getInstance(Processes processType, boolean liveUpd
                                                 .getSessionLimit()
                                                 .getOcrMyPdfSessionLimit();
                                 case CFF_CONVERTER -> 1;
+                                case PDFIUM_REDACTOR ->
+                                        applicationProperties
+                                                .getProcessExecutor()
+                                                .getSessionLimit()
+                                                .getPdfiumRedactorSessionLimit();
                             };
 
                     long timeoutMinutes =
@@ -151,6 +156,11 @@ public static ProcessExecutor getInstance(Processes processType, boolean liveUpd
                                                 .getProcessExecutor()
                                                 .getTimeoutMinutes()
                                                 .getOcrMyPdfTimeoutMinutes();
+                                case PDFIUM_REDACTOR ->
+                                        applicationProperties
+                                                .getProcessExecutor()
+                                                .getTimeoutMinutes()
+                                                .getPdfiumRedactorTimeoutMinutes();
                                 case CFF_CONVERTER -> 5L;
                             };
                     return new ProcessExecutor(semaphoreLimit, liveUpdates, timeoutMinutes);
@@ -305,6 +315,7 @@ public enum Processes {
         QPDF,
         GHOSTSCRIPT,
         OCR_MY_PDF,
+        PDFIUM_REDACTOR,
         CFF_CONVERTER
     }
 

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

@@ -58,6 +58,7 @@ public void initSecretKey() throws IOException {
             applicationProperties.getAutomaticallyGenerated().setKey(secretKey);
         }
     }
+
     public void initLegalUrls() throws IOException {
         // Initialize Terms and Conditions
         String termsUrl = applicationProperties.getLegal().getTermsAndConditions();