added attachments text to language files

common/src/main/java/stirling/software/common/util/EmlToPdf.java

@@ -27,6 +27,7 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary;
 import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
 import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PageMode;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile;
@@ -1133,7 +1134,7 @@ public class EmlToPdf {
                 efTree.setNames(efMap);
 
                 // Set catalog viewer preferences to automatically show attachments pane
-                setCatalogViewerPreferences(document);
+                setCatalogViewerPreferences(document, PageMode.USE_ATTACHMENTS);
             }
 
             // Add attachment annotations to the first page for each embedded file

common/src/main/java/stirling/software/common/util/PDFAttachmentUtils.java

@@ -10,7 +10,7 @@ import org.apache.pdfbox.pdmodel.PageMode;
 @Slf4j
 public class PDFAttachmentUtils {
 
-    public static void setCatalogViewerPreferences(PDDocument document) {
+    public static void setCatalogViewerPreferences(PDDocument document, PageMode pageMode) {
         try {
             PDDocumentCatalog catalog = document.getDocumentCatalog();
             if (catalog != null) {
@@ -19,7 +19,8 @@ public class PDFAttachmentUtils {
 
                 // Set PageMode to UseAttachments - this is the standard PDF specification approach
                 // PageMode values: UseNone, UseOutlines, UseThumbs, FullScreen, UseOC, UseAttachments
-                catalogDict.setName(COSName.PAGE_MODE, PageMode.USE_ATTACHMENTS.stringValue());
+                catalog.setPageMode(pageMode);
+                catalogDict.setName(COSName.PAGE_MODE, pageMode.stringValue());
 
                 // Also set viewer preferences for better attachment viewing experience
                 COSDictionary viewerPrefs = (COSDictionary) catalogDict.getDictionaryObject(COSName.VIEWER_PREFERENCES);
@@ -29,7 +30,7 @@ public class PDFAttachmentUtils {
                 }
 
                 // Set NonFullScreenPageMode to UseAttachments as fallback for viewers that support it
-                viewerPrefs.setName(COSName.getPDFName("NonFullScreenPageMode"), PageMode.USE_ATTACHMENTS.stringValue());
+                viewerPrefs.setName(COSName.getPDFName("NonFullScreenPageMode"), pageMode.stringValue());
 
                 // Additional viewer preferences that may help with attachment display
                 viewerPrefs.setBoolean(COSName.getPDFName("DisplayDocTitle"), true);

common/src/main/java/stirling/software/common/util/WebResponseUtils.java

@@ -61,7 +61,6 @@ public class WebResponseUtils {
         // Open Byte Array and save document to it
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         document.save(baos);
-        // Close the document
         document.close();
 
         return baosToWebResponse(baos, docName);

stirling-pdf/src/main/java/stirling/software/SPDF/controller/api/misc/AttachmentsController.java

@@ -62,9 +62,6 @@ public class AttachmentsController {
         catalog.setNames(documentNames);
         pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments);
 
-        // Set PageMode to UseAttachments to show the attachments panel
-        catalog.setPageMode(PageMode.USE_ATTACHMENTS);
-
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
                 Filenames.toSimpleFileName(pdfFile.getOriginalFilename())

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

@@ -195,7 +195,7 @@ public class OtherWebController {
     @GetMapping("/add-attachments")
     @Hidden
     public String attachmentsForm(Model model) {
-        model.addAttribute("currentPage", "attachments");
+        model.addAttribute("currentPage", "add-attachments");
         return "misc/add-attachments";
     }
 }

stirling-pdf/src/main/java/stirling/software/SPDF/service/PDFAttachmentService.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
+import org.apache.pdfbox.pdmodel.PageMode;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile;
 import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
@@ -91,9 +92,8 @@ public class PDFAttachmentService implements PDFAttachmentServiceInterface {
 
         embeddedFilesTree.setNames(existingNames);
 
-        // Ensure document has proper access permissions for embedded files
         grantAccessPermissions(document);
-        PDFAttachmentUtils.setCatalogViewerPreferences(document);
+        PDFAttachmentUtils.setCatalogViewerPreferences(document, PageMode.USE_ATTACHMENTS);
     }
 
     private void grantAccessPermissions(PDDocument document) {

stirling-pdf/src/main/resources/messages_ar_AR.properties

@@ -471,6 +471,10 @@ home.addImage.title=????? ???? ??? ??? PDF
 home.addImage.desc=????? ???? ??? ???? ???? ?? PDF (????? ??? ??????)
 addImage.tags=????,jpg,????,???? ??????????
 
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
 home.watermark.title=????? ????? ?????
 home.watermark.desc=??? ????? ????? ????? ??? ????? PDF ????? ??.
 watermark.tags=??,?????,?????,???,???? ?????,????? ??????,????,jpg,????,???? ??????????
@@ -1642,3 +1646,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_az_AZ.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_bg_BG.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_bo_CN.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ca_CA.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_cs_CZ.properties

@@ -1642,3 +1642,16 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_da_DK.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_de_DE.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Verwischen
 fakeScan.noise=Rauschen
 fakeScan.yellowish=Gelblich (simulieren Sie altes Papier)
 fakeScan.resolution=Auflösung (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_el_GR.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_en_GB.properties

@@ -513,7 +513,7 @@ home.addImage.title=Add image
 home.addImage.desc=Adds a image onto a set location on the PDF
 addImage.tags=img,jpg,picture,photo
 
-home.attachments.title=Attachments
+home.attachments.title=Add Attachments
 home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
 attachments.tags=embed,attach,file,attachment,attachments
 
@@ -1198,8 +1198,8 @@ addImage.upload=Add image
 addImage.submit=Add image
 
 #attachments
-attachments.title=Attachments
+attachments.title=Add Attachments
-attachments.header=Add attachments to PDF
+attachments.header=Add attachments
 attachments.removeHeader=Remove attachments from PDF
 attachments.selectFiles=Select files to attach
 attachments.description=Allows you to add attachments to the PDF

stirling-pdf/src/main/resources/messages_en_US.properties

@@ -472,7 +472,7 @@ home.addImage.title=Add image
 home.addImage.desc=Adds a image onto a set location on the PDF
 addImage.tags=img,jpg,picture,photo
 
-home.attachments.title=Attachments
+home.attachments.title=Add Attachments
 home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
 attachments.tags=embed,attach,file,attachment,attachments
 
@@ -1158,7 +1158,7 @@ addImage.submit=Add image
 
 #attachments
 attachments.title=Attachments
-attachments.header=Add attachments to PDF
+attachments.header=Add attachments
 attachments.removeHeader=Remove attachments from PDF
 attachments.selectFiles=Select files to attach
 attachments.description=Allows you to add attachments to the PDF

stirling-pdf/src/main/resources/messages_es_ES.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_eu_ES.properties

@@ -1642,3 +1642,16 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_fa_IR.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_fr_FR.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ga_IE.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_hi_IN.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_hr_HR.properties

@@ -1642,3 +1642,17 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_hu_HU.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Elmos
 fakeScan.noise=Zaj
 fakeScan.yellowish=Sárgás (régi papír szimulálása)
 fakeScan.resolution=Felbontás (DPI)
+
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_id_ID.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_it_IT.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Sfocatura
 fakeScan.noise=Rumore
 fakeScan.yellowish=Giallastro (simula carta vecchia)
 fakeScan.resolution=Risoluzione (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ja_JP.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ko_KR.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ml_IN.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ml_ML.properties

@@ -1475,3 +1475,17 @@ cookieBanner.preferencesModal.necessary.description=വെബ്സൈറ്റ
 cookieBanner.preferencesModal.analytics.title=അനലിറ്റിക്സ്
 cookieBanner.preferencesModal.analytics.description=ഞങ്ങളുടെ ടൂളുകൾ എങ്ങനെ ഉപയോഗിക്കുന്നുവെന്ന് മനസ്സിലാക്കാൻ ഈ കുക്കികൾ ഞങ്ങളെ സഹായിക്കുന്നു, അതിനാൽ ഞങ്ങളുടെ കമ്മ്യൂണിറ്റി ഏറ്റവും കൂടുതൽ വിലമതിക്കുന്ന ഫീച്ചറുകൾ നിർമ്മിക്കുന്നതിൽ ഞങ്ങൾക്ക് ശ്രദ്ധ കേന്ദ്രീകരിക്കാൻ കഴിയും. ഉറപ്പാക്കുക—സ്റ്റെർലിംഗ് PDF-ന് നിങ്ങൾ പ്രവർത്തിക്കുന്ന പ്രമാണങ്ങളുടെ ഉള്ളടക്കം ട്രാക്ക് ചെയ്യാൻ കഴിയില്ല, ഒരിക്കലും കഴിയില്ല.
 
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_nl_NL.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_no_NB.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_pl_PL.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_pt_BR.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_pt_PT.properties

@@ -1642,3 +1642,19 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ro_RO.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_ru_RU.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_sk_SK.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_sl_SI.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_sr_LATN_RS.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_sv_SE.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_th_TH.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_tr_TR.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_uk_UA.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_vi_VN.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_zh_CN.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/main/resources/messages_zh_TW.properties

@@ -1642,3 +1642,18 @@ fakeScan.blur=Blur
 fakeScan.noise=Noise
 fakeScan.yellowish=Yellowish (simulate old paper)
 fakeScan.resolution=Resolution (DPI)
+
+#attachments
+home.attachments.title=Add Attachments
+home.attachments.desc=Add or remove embedded files (attachments) to/from a PDF
+attachments.tags=embed,attach,file,attachment,attachments
+
+attachments.title=Attachments
+attachments.header=Add attachments
+attachments.removeHeader=Remove attachments from PDF
+attachments.selectFiles=Select files to attach
+attachments.description=Allows you to add attachments to the PDF
+attachments.descriptionPlaceholder=Enter a description for the attachments...
+attachments.addButton=Add Attachments
+attachments.removeDescription=This will remove all embedded files from the PDF.
+attachments.removeButton=Remove All Attachments

stirling-pdf/src/test/java/stirling/software/SPDF/controller/api/misc/AttachmentsControllerTest.java

@@ -0,0 +1,209 @@
+package stirling.software.SPDF.controller.api.misc;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.*;
+import static org.mockito.Mockito.*;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
+import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary;
+import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
+import org.apache.pdfbox.pdmodel.PageMode;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.web.multipart.MultipartFile;
+
+import stirling.software.SPDF.service.PDFAttachmentServiceInterface;
+import stirling.software.common.service.CustomPDFDocumentFactory;
+
+@ExtendWith(MockitoExtension.class)
+class AttachmentsControllerTest {
+
+    @Mock
+    private CustomPDFDocumentFactory pdfDocumentFactory;
+
+    @Mock
+    private PDFAttachmentServiceInterface pdfAttachmentService;
+
+    @InjectMocks
+    private AttachmentsController attachmentsController;
+
+    private MockMultipartFile pdfFile;
+    private MockMultipartFile attachment1;
+    private MockMultipartFile attachment2;
+    private PDDocument mockDocument;
+    private PDDocumentCatalog mockCatalog;
+    private PDDocumentNameDictionary mockNameDict;
+    private PDEmbeddedFilesNameTreeNode mockEmbeddedFilesTree;
+
+    @BeforeEach
+    void setUp() {
+        pdfFile = new MockMultipartFile("fileInput", "test.pdf", "application/pdf", "PDF content".getBytes());
+        attachment1 = new MockMultipartFile("attachment1", "file1.txt", "text/plain", "File 1 content".getBytes());
+        attachment2 = new MockMultipartFile("attachment2", "file2.jpg", "image/jpeg", "Image content".getBytes());
+        
+        mockDocument = mock(PDDocument.class);
+        mockCatalog = mock(PDDocumentCatalog.class);
+        mockNameDict = mock(PDDocumentNameDictionary.class);
+        mockEmbeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+    }
+
+    @Test
+    void addAttachments_WithExistingNames() throws IOException {
+        List<MultipartFile> attachments = List.of(attachment1, attachment2);
+
+        when(pdfDocumentFactory.load(pdfFile, false)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(mockNameDict);
+        when(mockNameDict.getEmbeddedFiles()).thenReturn(mockEmbeddedFilesTree);
+
+        ResponseEntity<byte[]> response = attachmentsController.addAttachments(pdfFile, attachments);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(pdfDocumentFactory).load(pdfFile, false);
+        verify(mockCatalog).setNames(mockNameDict);
+        verify(pdfAttachmentService).addAttachment(mockDocument, mockEmbeddedFilesTree, attachments);
+    }
+
+    @Test
+    void addAttachments_WithoutExistingNames() throws IOException {
+        List<MultipartFile> attachments = List.of(attachment1);
+
+        try (PDDocument realDocument = new PDDocument()) {
+            when(pdfDocumentFactory.load(pdfFile, false)).thenReturn(realDocument);
+
+            ResponseEntity<byte[]> response = attachmentsController.addAttachments(pdfFile, attachments);
+
+            assertNotNull(response);
+            assertEquals(HttpStatus.OK, response.getStatusCode());
+            verify(pdfDocumentFactory).load(pdfFile, false);
+            verify(pdfAttachmentService).addAttachment(eq(realDocument), any(PDEmbeddedFilesNameTreeNode.class), eq(attachments));
+        }
+    }
+
+    @Test
+    void addAttachments_IOExceptionFromPDFLoad() throws IOException {
+        List<MultipartFile> attachments = List.of(attachment1);
+        IOException ioException = new IOException("Failed to load PDF");
+
+        when(pdfDocumentFactory.load(pdfFile, false)).thenThrow(ioException);
+
+        assertThrows(IOException.class, () -> attachmentsController.addAttachments(pdfFile, attachments));
+        verify(pdfDocumentFactory).load(pdfFile, false);
+        verifyNoInteractions(pdfAttachmentService);
+    }
+
+    @Test
+    void addAttachments_IOExceptionFromAttachmentService() throws IOException {
+        List<MultipartFile> attachments = List.of(attachment1);
+        IOException ioException = new IOException("Failed to add attachment");
+
+        when(pdfDocumentFactory.load(pdfFile, false)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(mockNameDict);
+        when(mockNameDict.getEmbeddedFiles()).thenReturn(mockEmbeddedFilesTree);
+        doThrow(ioException).when(pdfAttachmentService).addAttachment(mockDocument, mockEmbeddedFilesTree, attachments);
+
+        assertThrows(IOException.class, () -> attachmentsController.addAttachments(pdfFile, attachments));
+        verify(pdfAttachmentService).addAttachment(mockDocument, mockEmbeddedFilesTree, attachments);
+    }
+
+    @Test
+    void removeAttachments_WithExistingNames() throws IOException {
+        when(pdfDocumentFactory.load(pdfFile)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(mockNameDict);
+
+        ResponseEntity<byte[]> response = attachmentsController.removeAttachments(pdfFile);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(pdfDocumentFactory).load(pdfFile);
+        verify(mockNameDict).setEmbeddedFiles(null);
+        verify(mockCatalog).setPageMode(PageMode.USE_NONE);
+    }
+
+    @Test
+    void removeAttachments_WithoutExistingNames() throws IOException {
+        when(pdfDocumentFactory.load(pdfFile)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(null);
+
+        ResponseEntity<byte[]> response = attachmentsController.removeAttachments(pdfFile);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(pdfDocumentFactory).load(pdfFile);
+        verify(mockCatalog).setPageMode(PageMode.USE_NONE);
+        verifyNoInteractions(mockNameDict);
+    }
+
+    @Test
+    void removeAttachments_IOExceptionFromPDFLoad() throws IOException {
+        IOException ioException = new IOException("Failed to load PDF");
+
+        when(pdfDocumentFactory.load(pdfFile)).thenThrow(ioException);
+
+        assertThrows(IOException.class, () -> attachmentsController.removeAttachments(pdfFile));
+        verify(pdfDocumentFactory).load(pdfFile);
+    }
+
+    @Test
+    void addAttachments_EmptyAttachmentsList() throws IOException {
+        List<MultipartFile> emptyAttachments = List.of();
+
+        when(pdfDocumentFactory.load(pdfFile, false)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(mockNameDict);
+        when(mockNameDict.getEmbeddedFiles()).thenReturn(mockEmbeddedFilesTree);
+
+        ResponseEntity<byte[]> response = attachmentsController.addAttachments(pdfFile, emptyAttachments);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(pdfAttachmentService).addAttachment(mockDocument, mockEmbeddedFilesTree, emptyAttachments);
+    }
+
+    @Test
+    void addAttachments_NullFilename() throws IOException {
+        MockMultipartFile attachmentWithNullName = new MockMultipartFile("attachment", null, "text/plain", "content".getBytes());
+        List<MultipartFile> attachments = List.of(attachmentWithNullName);
+
+        when(pdfDocumentFactory.load(pdfFile, false)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(mockNameDict);
+        when(mockNameDict.getEmbeddedFiles()).thenReturn(mockEmbeddedFilesTree);
+
+        ResponseEntity<byte[]> response = attachmentsController.addAttachments(pdfFile, attachments);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(pdfAttachmentService).addAttachment(mockDocument, mockEmbeddedFilesTree, attachments);
+    }
+
+    @Test
+    void removeAttachments_NullPDFFilename() throws IOException {
+        MockMultipartFile pdfWithNullName = new MockMultipartFile("fileInput", null, "application/pdf", "PDF content".getBytes());
+
+        when(pdfDocumentFactory.load(pdfWithNullName)).thenReturn(mockDocument);
+        when(mockDocument.getDocumentCatalog()).thenReturn(mockCatalog);
+        when(mockCatalog.getNames()).thenReturn(null);
+
+        ResponseEntity<byte[]> response = attachmentsController.removeAttachments(pdfWithNullName);
+
+        assertNotNull(response);
+        assertEquals(HttpStatus.OK, response.getStatusCode());
+        verify(mockCatalog).setPageMode(PageMode.USE_NONE);
+    }
+}

stirling-pdf/src/test/java/stirling/software/SPDF/service/PDFAttachmentServiceTest.java

@@ -0,0 +1,119 @@
+package stirling.software.SPDF.service;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.List;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
+import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.web.multipart.MultipartFile;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.anyMap;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+class PDFAttachmentServiceTest {
+
+    private PDFAttachmentService pdfAttachmentService;
+
+    @BeforeEach
+    void setUp() {
+        pdfAttachmentService = new PDFAttachmentService();
+    }
+
+    @Test
+    void addAttachmentToPDF() throws IOException {
+        try (var document = new PDDocument()) {
+            var embeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+            var attachments = List.of(mock(MultipartFile.class));
+            var existingNames = new HashMap<String, PDComplexFileSpecification>();
+
+            when(embeddedFilesTree.getNames()).thenReturn(existingNames);
+            when(attachments.get(0).getOriginalFilename()).thenReturn("test.txt");
+            when(attachments.get(0).getInputStream()).thenReturn(
+                    new ByteArrayInputStream("Test content".getBytes()));
+            when(attachments.get(0).getSize()).thenReturn(12L);
+            when(attachments.get(0).getContentType()).thenReturn("text/plain");
+
+            pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments);
+
+            verify(embeddedFilesTree).setNames(anyMap());
+        }
+    }
+
+    @Test
+    void addAttachmentToPDF_WithNullExistingNames() throws IOException {
+        try (var document = new PDDocument()) {
+            var embeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+            var attachments = List.of(mock(MultipartFile.class));
+
+            when(embeddedFilesTree.getNames()).thenReturn(null);
+            when(attachments.get(0).getOriginalFilename()).thenReturn("document.pdf");
+            when(attachments.get(0).getInputStream()).thenReturn(
+                    new ByteArrayInputStream("PDF content".getBytes()));
+            when(attachments.get(0).getSize()).thenReturn(15L);
+            when(attachments.get(0).getContentType()).thenReturn("application/pdf");
+
+            pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments);
+
+            verify(embeddedFilesTree).setNames(anyMap());
+        }
+    }
+
+    @Test
+    void addAttachmentToPDF_WithBlankContentType() throws IOException {
+        try (var document = new PDDocument()) {
+            var embeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+            var attachments = List.of(mock(MultipartFile.class));
+            var existingNames = new HashMap<String, PDComplexFileSpecification>();
+
+            when(embeddedFilesTree.getNames()).thenReturn(existingNames);
+            when(attachments.get(0).getOriginalFilename()).thenReturn("image.jpg");
+            when(attachments.get(0).getInputStream()).thenReturn(
+                    new ByteArrayInputStream("Image content".getBytes()));
+            when(attachments.get(0).getSize()).thenReturn(25L);
+            when(attachments.get(0).getContentType()).thenReturn("");
+
+            pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments);
+
+            verify(embeddedFilesTree).setNames(anyMap());
+        }
+    }
+
+    @Test
+    void addAttachmentToPDF_GetNamesThrowsIOException() throws IOException {
+        var document = mock(PDDocument.class);
+        var embeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+        var attachments = List.of(mock(MultipartFile.class));
+        var ioException = new IOException("Failed to retrieve embedded files");
+
+        when(embeddedFilesTree.getNames()).thenThrow(ioException);
+
+        assertThrows(IOException.class, () -> pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments));
+
+        verify(embeddedFilesTree).getNames();
+    }
+
+    @Test
+    void addAttachmentToPDF_AttachmentInputStreamThrowsIOException() throws IOException {
+        try (var document = new PDDocument()) {
+            var embeddedFilesTree = mock(PDEmbeddedFilesNameTreeNode.class);
+            var attachments = List.of(mock(MultipartFile.class));
+            var existingNames = new HashMap<String, PDComplexFileSpecification>();
+            var ioException = new IOException("Failed to read attachment stream");
+
+            when(embeddedFilesTree.getNames()).thenReturn(existingNames);
+            when(attachments.get(0).getOriginalFilename()).thenReturn("corrupted.file");
+            when(attachments.get(0).getInputStream()).thenThrow(ioException);
+            when(attachments.get(0).getSize()).thenReturn(10L);
+
+            pdfAttachmentService.addAttachment(document, embeddedFilesTree, attachments);
+
+            verify(embeddedFilesTree).setNames(anyMap());
+        }
+    }
+}