test

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

@@ -1,12 +1,13 @@
 package stirling.software.SPDF;
 
-import io.github.pixee.security.SystemCommand;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
+import io.github.pixee.security.SystemCommand;
+
 public class LibreOfficeListener {
 
     private static final long ACTIVITY_TIMEOUT = 20 * 60 * 1000; // 20 minutes

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF;
 
-import io.github.pixee.security.SystemCommand;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.Collections;
@@ -11,6 +10,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.core.env.Environment;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
+import io.github.pixee.security.SystemCommand;
+
 import jakarta.annotation.PostConstruct;
 import stirling.software.SPDF.config.ConfigInitializer;
 import stirling.software.SPDF.utils.GeneralUtils;

src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Color;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -22,6 +21,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -137,6 +137,7 @@ public class MultiPageLayoutController {
         byte[] result = baos.toByteArray();
         return WebResponseUtils.bytesToWebResponse(
                 result,
-                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_layoutChanged.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_layoutChanged.pdf");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/PdfOverlayController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
@@ -21,6 +20,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -77,7 +77,8 @@ public class PdfOverlayController {
                 overlay.overlay(overlayGuide).save(outputStream);
                 byte[] data = outputStream.toByteArray();
                 String outputFilename =
-                        Filenames.toSimpleFileName(baseFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        Filenames.toSimpleFileName(baseFile.getOriginalFilename())
+                                        .replaceFirst("[.][^.]+$", "")
                                 + "_overlayed.pdf"; // Remove file extension and append .pdf
 
                 return WebResponseUtils.bytesToWebResponse(

src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -17,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -58,7 +58,9 @@ public class RearrangePagesPDFController {
         }
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_removed_pages.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_removed_pages.pdf");
     }
 
     private List<Integer> removeFirst(int totalPages) {
@@ -212,7 +214,8 @@ public class RearrangePagesPDFController {
 
             return WebResponseUtils.pdfDocToWebResponse(
                     document,
-                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                             + "_rearranged.pdf");
         } catch (IOException e) {
             logger.error("Failed rearranging documents", e);

src/main/java/stirling/software/SPDF/controller/api/RotationController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 
 import org.apache.pdfbox.Loader;
@@ -16,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -50,6 +50,8 @@ public class RotationController {
 
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_rotated.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_rotated.pdf");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.HashMap;
@@ -23,6 +22,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -113,6 +113,7 @@ public class ScalePagesController {
 
         return WebResponseUtils.bytesToWebResponse(
                 baos.toByteArray(),
-                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_scaled.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_scaled.pdf");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -24,6 +23,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -84,7 +84,9 @@ public class SplitPDFController {
 
         Path zipFile = Files.createTempFile("split_documents", ".zip");
 
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
             // loop through the split documents and write them to the zip file
             for (int i = 0; i < splitDocumentsBoas.size(); i++) {

src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySectionsController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -27,6 +26,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -65,7 +65,9 @@ public class SplitPdfBySectionsController {
         sourceDocument.close();
 
         Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         byte[] data;
 
         try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {

src/main/java/stirling/software/SPDF/controller/api/SplitPdfBySizeController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -21,6 +20,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -121,7 +121,9 @@ public class SplitPdfBySizeController {
         sourceDocument.close();
 
         Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         byte[] data;
 
         try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.ResponseEntity;
@@ -10,6 +9,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.ResponseEntity;
@@ -10,6 +9,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.net.URLConnection;
 
@@ -19,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -57,7 +57,9 @@ public class ConvertImgPDFController {
         // returns bytes for image
         boolean singleImage = "single".equals(singleOrMultiple);
         byte[] result = null;
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         try {
             result =
                     PdfUtils.convertFromPdf(

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import java.util.List;
 import java.util.Map;
 
@@ -20,6 +19,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -17,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -90,7 +90,8 @@ public class ConvertOfficeController {
         byte[] pdfByteArray = convertToPdf(inputFile);
         return WebResponseUtils.bytesToWebResponse(
                 pdfByteArray,
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                         + "_convertedToPDF.pdf");
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
@@ -16,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -93,7 +93,8 @@ public class ConvertPDFToBookController {
         }
 
         String outputFilename =
-                Filenames.toSimpleFileName(fileInput.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                         + "."
                         + outputFormat; // Remove file extension and append .pdf
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.converters;
 
-import io.github.pixee.security.Filenames;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
@@ -13,6 +12,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -64,7 +64,9 @@ public class ConvertPDFToPDFA {
 
         // Return the optimized PDF as a response
         String outputFilename =
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_PDFA.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_PDFA.pdf";
         return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
     }
 }

src/main/java/stirling/software/SPDF/controller/api/filters/FilterController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.filters;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 
 import org.apache.pdfbox.Loader;
@@ -14,6 +13,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -19,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -134,7 +134,8 @@ public class AutoRenameController {
             return WebResponseUtils.pdfDocToWebResponse(document, header + ".pdf");
         } else {
             logger.info("File has no good title to be found");
-            return WebResponseUtils.pdfDocToWebResponse(document, Filenames.toSimpleFileName(file.getOriginalFilename()));
+            return WebResponseUtils.pdfDocToWebResponse(
+                    document, Filenames.toSimpleFileName(file.getOriginalFilename()));
         }
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.image.BufferedImage;
 import java.awt.image.DataBufferByte;
 import java.awt.image.DataBufferInt;
@@ -32,6 +31,7 @@ import com.google.zxing.PlanarYUVLuminanceSource;
 import com.google.zxing.Result;
 import com.google.zxing.common.HybridBinarizer;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -98,7 +98,9 @@ public class AutoSplitPdfController {
         document.close();
 
         Path zipFile = Files.createTempFile("split_documents", ".zip");
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         byte[] data;
 
         try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {

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

@@ -1,25 +1,21 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
-import javax.imageio.ImageIO;
-
 import org.apache.pdfbox.Loader;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageTree;
 import org.apache.pdfbox.rendering.PDFRenderer;
 import org.apache.pdfbox.text.PDFTextStripper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ModelAttribute;
@@ -28,12 +24,12 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
 import stirling.software.SPDF.model.api.misc.RemoveBlankPagesRequest;
 import stirling.software.SPDF.utils.PdfUtils;
-import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
@@ -41,6 +37,8 @@ import stirling.software.SPDF.utils.WebResponseUtils;
 @Tag(name = "Misc", description = "Miscellaneous APIs")
 public class BlankPageController {
 
+    private static final Logger logger = LoggerFactory.getLogger(BlankPageController.class);
+
     @PostMapping(consumes = "multipart/form-data", value = "/remove-blanks")
     @Operation(
             summary = "Remove blank pages from a PDF file",
@@ -63,63 +61,35 @@ public class BlankPageController {
             PDFRenderer pdfRenderer = new PDFRenderer(document);
 
             for (PDPage page : pages) {
-                System.out.println("checking page " + pageIndex);
+                logger.info("checking page " + pageIndex);
                 textStripper.setStartPage(pageIndex + 1);
                 textStripper.setEndPage(pageIndex + 1);
                 String pageText = textStripper.getText(document);
                 boolean hasText = !pageText.trim().isEmpty();
+
+                Boolean blank = false;
                 if (hasText) {
-                    pagesToKeepIndex.add(pageIndex);
+                    logger.info("page " + pageIndex + " has text, not blank");
-                    System.out.println("page " + pageIndex + " has text");
+                    blank = false;
                 } else {
                     boolean hasImages = PdfUtils.hasImagesOnPage(page);
                     if (hasImages) {
-                        System.out.println("page " + pageIndex + " has image");
+                        logger.info("page " + pageIndex + " has image, running blank detection");
-
-                        Path tempFile = Files.createTempFile("image_", ".png");
-
                         // Render image and save as temp file
-                        BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 300);
+                        BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 30);
-                        ImageIO.write(image, "png", tempFile.toFile());
+                        blank = isBlankImage(image, threshold, whitePercent, threshold);
-
-                        List<String> command =
-                                new ArrayList<>(
-                                        Arrays.asList(
-                                                "python",
-                                                System.getProperty("user.dir")
-                                                        + "/scripts/detect-blank-pages.py",
-                                                tempFile.toString(),
-                                                "--threshold",
-                                                String.valueOf(threshold),
-                                                "--white_percent",
-                                                String.valueOf(whitePercent)));
-
-                        Boolean blank = false;
-                        // Run CLI command
-                        try {
-                            ProcessExecutor.getInstance(ProcessExecutor.Processes.PYTHON_OPENCV)
-                                    .runCommandWithOutputHandling(command);
-                        } catch (IOException e) {
-                            // From detect-blank-pages.py
-                            // Return code 1: The image is considered blank.
-                            // Return code 0: The image is not considered blank.
-                            // Since the process returned with a failure code, it should be blank.
-                            blank = true;
-                        }
-
-                        if (blank) {
-                            System.out.println("Skipping, Image was blank for page #" + pageIndex);
-                        } else {
-                            System.out.println(
-                                    "page " + pageIndex + " has image which is not blank");
-                            pagesToKeepIndex.add(pageIndex);
-                        }
                     }
                 }
+
+                if (blank) {
+                    logger.info("Skipping, Image was  blank for page #" + pageIndex);
+                } else {
+                    logger.info("page " + pageIndex + " has image which is not blank");
+                    pagesToKeepIndex.add(pageIndex);
+                }
+
                 pageIndex++;
             }
-            System.out.print("pagesToKeep=" + pagesToKeepIndex.size());
-
             // Remove pages not present in pagesToKeepIndex
             List<Integer> pageIndices =
                     IntStream.range(0, pages.getCount()).boxed().collect(Collectors.toList());
@@ -132,7 +102,8 @@ public class BlankPageController {
 
             return WebResponseUtils.pdfDocToWebResponse(
                     document,
-                    Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                             + "_blanksRemoved.pdf");
         } catch (IOException e) {
             e.printStackTrace();
@@ -141,4 +112,30 @@ public class BlankPageController {
             if (document != null) document.close();
         }
     }
+
+    public static boolean isBlankImage(
+            BufferedImage image, int threshold, double whitePercent, int blurSize) {
+        if (image == null) {
+            logger.info("Error: Image is null");
+            return false;
+        }
+
+        // Convert to binary image based on the threshold
+        int whitePixels = 0;
+        int totalPixels = image.getWidth() * image.getHeight();
+
+        for (int i = 0; i < image.getHeight(); i++) {
+            for (int j = 0; j < image.getWidth(); j++) {
+                int color = image.getRGB(j, i) & 0xFF;
+                if (color >= 255 - threshold) {
+                    whitePixels++;
+                }
+            }
+        }
+
+        double whitePixelPercentage = (whitePixels / (double) totalPixels) * 100;
+        logger.info(String.format("Page has white pixel percent of %.2f%%", whitePixelPercentage));
+
+        return whitePixelPercentage >= whitePercent;
+    }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Image;
 import java.awt.image.BufferedImage;
 import java.io.ByteArrayInputStream;
@@ -30,6 +29,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -265,7 +265,9 @@ public class CompressController {
 
         // Return the optimized PDF as a response
         String outputFilename =
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_Optimized.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_Optimized.pdf";
         return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Graphics2D;
 import java.awt.Image;
 import java.awt.image.BufferedImage;
@@ -30,6 +29,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -67,7 +67,9 @@ public class ExtractImagesController {
         zos.setLevel(Deflater.BEST_COMPRESSION);
 
         int imageIndex = 1;
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         int pageNum = 0;
         Set<Integer> processedImages = new HashSet<>();
         // Iterate over each page

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Color;
 import java.awt.geom.AffineTransform;
 import java.awt.image.AffineTransformOp;
@@ -34,6 +33,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -142,7 +142,9 @@ public class FakeScanControllerWIP {
 
         // Return the optimized PDF as a response
         String outputFilename =
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_scanned.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_scanned.pdf";
         return WebResponseUtils.boasToWebResponse(baos, outputFilename);
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -19,6 +18,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -165,6 +165,8 @@ public class MetadataController {
         document.setDocumentInformation(info);
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_metadata.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_metadata.pdf");
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -25,6 +24,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -183,12 +183,16 @@ public class OCRController {
 
         // Return the OCR processed PDF as a response
         String outputFilename =
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_OCR.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_OCR.pdf";
 
         if (sidecar != null && sidecar) {
             // Create a zip file containing both the PDF and the text file
             String outputZipFilename =
-                    Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_OCR.zip";
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
+                            + "_OCR.zip";
             Path tempZipFile = Files.createTempFile("output_", ".zip");
 
             try (ZipOutputStream zipOut =

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 
 import org.slf4j.Logger;
@@ -13,6 +12,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -45,7 +45,9 @@ public class OverlayImageController {
 
             return WebResponseUtils.bytesToWebResponse(
                     result,
-                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_overlayed.pdf");
+                    Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
+                            + "_overlayed.pdf");
         } catch (IOException e) {
             logger.error("Failed to add image to PDF", e);
             return new ResponseEntity<>(HttpStatus.BAD_REQUEST);

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.List;
@@ -22,6 +21,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -146,7 +146,8 @@ public class PageNumbersController {
 
         return WebResponseUtils.bytesToWebResponse(
                 baos.toByteArray(),
-                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf",
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_numbersAdded.pdf",
                 MediaType.APPLICATION_PDF);
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -16,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -66,7 +66,9 @@ public class RepairController {
 
         // Return the optimized PDF as a response
         String outputFilename =
-                Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_repaired.pdf";
+                Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_repaired.pdf";
         return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
     }
 }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
@@ -17,6 +16,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -55,7 +55,8 @@ public class ShowJavascript {
 
                         script +=
                                 "// File: "
-                                        + Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                        + Filenames.toSimpleFileName(
+                                                inputFile.getOriginalFilename())
                                         + ", Script: "
                                         + name
                                         + "\n"

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.misc;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.io.File;
@@ -8,6 +7,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
+import java.util.List;
 
 import javax.imageio.ImageIO;
 
@@ -33,6 +33,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -52,6 +53,7 @@ public class StampController {
     public ResponseEntity<byte[]> addStamp(@ModelAttribute AddStampRequest request)
             throws IOException, Exception {
         MultipartFile pdfFile = request.getFileInput();
+        List<Integer> pageNumbers = request.getPageNumbersList();
         String watermarkType = request.getStampType();
         String watermarkText = request.getStampText();
         MultipartFile watermarkImage = request.getStampImage();
@@ -87,49 +89,58 @@ public class StampController {
         // Load the input PDF
         PDDocument document = Loader.loadPDF(pdfFile.getBytes());
 
-        for (PDPage page : document.getPages()) {
+        for (int pageIndex : pageNumbers) {
-            PDPageContentStream contentStream =
+            // Convert 1-based index to 0-based index required by
-                    new PDPageContentStream(
+            // document.getPages().get(index)
-                            document, page, PDPageContentStream.AppendMode.APPEND, true, true);
+            int zeroBasedIndex = pageIndex - 1;
+            // Check if the zeroBasedIndex is within the range of the document's pages
+            if (zeroBasedIndex >= 0 && zeroBasedIndex < document.getNumberOfPages()) {
+                PDPage page = document.getPage(zeroBasedIndex);
+                PDPageContentStream contentStream =
+                        new PDPageContentStream(
+                                document, page, PDPageContentStream.AppendMode.APPEND, true, true);
 
-            PDExtendedGraphicsState graphicsState = new PDExtendedGraphicsState();
+                PDExtendedGraphicsState graphicsState = new PDExtendedGraphicsState();
-            graphicsState.setNonStrokingAlphaConstant(opacity);
+                graphicsState.setNonStrokingAlphaConstant(opacity);
-            contentStream.setGraphicsStateParameters(graphicsState);
+                contentStream.setGraphicsStateParameters(graphicsState);
 
-            if ("text".equalsIgnoreCase(watermarkType)) {
+                if ("text".equalsIgnoreCase(watermarkType)) {
-                addTextStamp(
+                    addTextStamp(
-                        contentStream,
+                            contentStream,
-                        watermarkText,
+                            watermarkText,
-                        document,
+                            document,
-                        page,
+                            page,
-                        rotation,
+                            rotation,
-                        position,
+                            position,
-                        fontSize,
+                            fontSize,
-                        alphabet,
+                            alphabet,
-                        overrideX,
+                            overrideX,
-                        overrideY,
+                            overrideY,
-                        marginFactor,
+                            marginFactor,
-                        customColor);
+                            customColor);
-            } else if ("image".equalsIgnoreCase(watermarkType)) {
+                } else if ("image".equalsIgnoreCase(watermarkType)) {
-                addImageStamp(
+                    addImageStamp(
-                        contentStream,
+                            contentStream,
-                        watermarkImage,
+                            watermarkImage,
-                        document,
+                            document,
-                        page,
+                            page,
-                        rotation,
+                            rotation,
-                        position,
+                            position,
-                        fontSize,
+                            fontSize,
-                        overrideX,
+                            overrideX,
-                        overrideY,
+                            overrideY,
-                        marginFactor);
+                            marginFactor);
+                }
+
+                contentStream.close();
             }
-
-            contentStream.close();
         }
 
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_watermarked.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_stamped.pdf");
     }
 
     private void addTextStamp(

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

@@ -1,7 +1,5 @@
 package stirling.software.SPDF.controller.api.pipeline;
 
-import io.github.pixee.security.Filenames;
-import io.github.pixee.security.ZipSecurity;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -38,6 +36,9 @@ import org.springframework.util.MultiValueMap;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
+import io.github.pixee.security.ZipSecurity;
+
 import jakarta.servlet.ServletContext;
 import stirling.software.SPDF.SPdfApplication;
 import stirling.software.SPDF.model.PipelineConfig;

src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.security;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -43,6 +42,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -124,7 +124,9 @@ public class CertSignController {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         sign(pdf.getBytes(), baos, createSignature, name, location, reason);
         return WebResponseUtils.boasToWebResponse(
-                baos, Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_signed.pdf");
+                baos,
+                Filenames.toSimpleFileName(pdf.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_signed.pdf");
     }
 
     private static void sign(

src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.security;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 
 import org.apache.pdfbox.Loader;
@@ -16,6 +15,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -44,7 +44,8 @@ public class PasswordController {
         document.setAllSecurityToBeRemoved(true);
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(fileInput.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
                         + "_password_removed.pdf");
     }
 
@@ -89,10 +90,13 @@ public class PasswordController {
         if ("".equals(ownerPassword) && "".equals(password))
             return WebResponseUtils.pdfDocToWebResponse(
                     document,
-                    Filenames.toSimpleFileName(fileInput.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                             + "_permissions.pdf");
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(fileInput.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_passworded.pdf");
+                Filenames.toSimpleFileName(fileInput.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_passworded.pdf");
     }
 }

src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.security;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.io.ByteArrayOutputStream;
@@ -26,6 +25,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -105,7 +105,8 @@ public class RedactController {
         byte[] pdfContent = baos.toByteArray();
         return WebResponseUtils.bytesToWebResponse(
                 pdfContent,
-                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_redacted.pdf");
+                Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                        + "_redacted.pdf");
     }
 
     private void redactFoundText(

src/main/java/stirling/software/SPDF/controller/api/security/SanitizeController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.security;
 
-import io.github.pixee.security.Filenames;
 import java.io.IOException;
 
 import org.apache.pdfbox.Loader;
@@ -29,6 +28,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -77,7 +77,8 @@ public class SanitizeController {
 
             return WebResponseUtils.pdfDocToWebResponse(
                     document,
-                    Filenames.toSimpleFileName(inputFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "")
+                    Filenames.toSimpleFileName(inputFile.getOriginalFilename())
+                                    .replaceFirst("[.][^.]+$", "")
                             + "_sanitized.pdf");
         }
     }

src/main/java/stirling/software/SPDF/controller/api/security/WatermarkController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api.security;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.io.File;
@@ -32,6 +31,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -106,7 +106,9 @@ public class WatermarkController {
 
         return WebResponseUtils.pdfDocToWebResponse(
                 document,
-                Filenames.toSimpleFileName(pdfFile.getOriginalFilename()).replaceFirst("[.][^.]+$", "") + "_watermarked.pdf");
+                Filenames.toSimpleFileName(pdfFile.getOriginalFilename())
+                                .replaceFirst("[.][^.]+$", "")
+                        + "_watermarked.pdf");
     }
 
     private void addTextWatermark(

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

@@ -6,11 +6,11 @@ import io.swagger.v3.oas.annotations.media.Schema;
 
 import lombok.Data;
 import lombok.EqualsAndHashCode;
-import stirling.software.SPDF.model.api.PDFFile;
+import stirling.software.SPDF.model.api.PDFWithPageNums;
 
 @Data
 @EqualsAndHashCode(callSuper = true)
-public class AddStampRequest extends PDFFile {
+public class AddStampRequest extends PDFWithPageNums {
 
     @Schema(
             description = "The stamp type (text or image)",

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.ZipSecurity;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -13,6 +12,8 @@ import java.util.stream.Stream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
+import io.github.pixee.security.ZipSecurity;
+
 import stirling.software.SPDF.model.api.converters.HTMLToPdfRequest;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 
@@ -145,7 +146,8 @@ public class FileToPdf {
 
     private static Path unzipAndGetMainHtml(byte[] fileBytes) throws IOException {
         Path tempDirectory = Files.createTempDirectory("unzipped_");
-        try (ZipInputStream zipIn = ZipSecurity.createHardenedInputStream(new ByteArrayInputStream(fileBytes))) {
+        try (ZipInputStream zipIn =
+                ZipSecurity.createHardenedInputStream(new ByteArrayInputStream(fileBytes))) {
             ZipEntry entry = zipIn.getNextEntry();
             while (entry != null) {
                 Path filePath = tempDirectory.resolve(entry.getName());

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

@@ -1,13 +1,10 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.HostValidator;
-import io.github.pixee.security.Urls;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
-import java.net.URL;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -15,10 +12,14 @@ import java.nio.file.Paths;
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.HostValidator;
+import io.github.pixee.security.Urls;
+
 public class GeneralUtils {
 
     public static File convertMultipartFileToFile(MultipartFile multipartFile) throws IOException {
@@ -59,7 +60,8 @@ public class GeneralUtils {
 
     public static boolean isValidURL(String urlStr) {
         try {
-            Urls.create(urlStr, Urls.HTTP_PROTOCOLS, HostValidator.DENY_COMMON_INFRASTRUCTURE_TARGETS);
+            Urls.create(
+                    urlStr, Urls.HTTP_PROTOCOLS, HostValidator.DENY_COMMON_INFRASTRUCTURE_TARGETS);
             return true;
         } catch (MalformedURLException e) {
             return false;
@@ -114,6 +116,13 @@ public class GeneralUtils {
     }
 
     public static List<Integer> parsePageString(String pageOrder, int totalPages) {
+        if (pageOrder == null || pageOrder.isEmpty()) {
+            return Collections.singletonList(1);
+        }
+        if (pageOrder.matches("\\d+")) {
+            // Convert the single number string to an integer and return it in a list
+            return Collections.singletonList(Integer.parseInt(pageOrder));
+        }
         return parsePageList(pageOrder.split(","), totalPages);
     }
 

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -21,6 +20,8 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
+
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 
 public class PDFToFile {

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.Filenames;
 import java.awt.Graphics;
 import java.awt.image.BufferedImage;
 import java.awt.image.RenderedImage;
@@ -38,6 +37,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
+
 public class PdfUtils {
 
     private static final Logger logger = LoggerFactory.getLogger(PdfUtils.class);

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.BoundedLineReader;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
@@ -17,6 +16,8 @@ import java.util.concurrent.TimeUnit;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import io.github.pixee.security.BoundedLineReader;
+
 public class ProcessExecutor {
 
     private static final Logger logger = LoggerFactory.getLogger(ProcessExecutor.class);
@@ -110,7 +111,10 @@ public class ProcessExecutor {
                                                         process.getErrorStream(),
                                                         StandardCharsets.UTF_8))) {
                                     String line;
-                                    while ((line = BoundedLineReader.readLine(errorReader, 5_000_000)) != null) {
+                                    while ((line =
+                                                    BoundedLineReader.readLine(
+                                                            errorReader, 5_000_000))
+                                            != null) {
                                         errorLines.add(line);
                                         if (liveUpdates) logger.info(line);
                                     }
@@ -131,7 +135,10 @@ public class ProcessExecutor {
                                                         process.getInputStream(),
                                                         StandardCharsets.UTF_8))) {
                                     String line;
-                                    while ((line = BoundedLineReader.readLine(outputReader, 5_000_000)) != null) {
+                                    while ((line =
+                                                    BoundedLineReader.readLine(
+                                                            outputReader, 5_000_000))
+                                            != null) {
                                         outputLines.add(line);
                                         if (liveUpdates) logger.info(line);
                                     }

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

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.utils;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.net.URLEncoder;
@@ -13,6 +12,8 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
+
 public class WebResponseUtils {
 
     public static ResponseEntity<byte[]> boasToWebResponse(

src/main/resources/static/js/game.js

@@ -14,13 +14,16 @@ function initializeGame() {
     const highScoreElement = document.getElementById('high-score');
 
     let pdfSize = gameContainer.clientWidth * 0.0625; // 5% of container width
-    let projectileWidth = gameContainer.clientWidth * 0.00625; // 0.5% of container width
+    let projectileWidth = gameContainer.clientWidth *  0.00625;// 0.00625; // 0.5% of container width
     let projectileHeight = gameContainer.clientHeight * 0.01667; // 1% of container height
 
     let paused = false;
+    
     const fireRate = 200; // Time between shots in milliseconds
     let lastProjectileTime = 0;
     let lives = 3;
+    
+    
     let highScore = localStorage.getItem('highScore') ? parseInt(localStorage.getItem('highScore')) : 0;
     updateHighScore();
 
@@ -31,7 +34,7 @@ function initializeGame() {
     const projectiles = [];
     let score = 0;
     let level = 1;
-    let pdfSpeed = 1;
+    let pdfSpeed = 0.5;
     let gameOver = false;
 
     function handleKeys() {
@@ -119,7 +122,7 @@ function initializeGame() {
 
         for (let pdfIndex = 0; pdfIndex < pdfs.length; pdfIndex++) {
             const pdf = pdfs[pdfIndex];
-            const pdfY = parseInt(pdf.style.top) + pdfSpeed;
+            const pdfY = parseFloat(pdf.style.top) + pdfSpeed;
             if (pdfY + 50 > gameContainer.clientHeight) {
                 gameContainer.removeChild(pdf);
                 pdfs.splice(pdfIndex, 1);
@@ -218,7 +221,7 @@ function initializeGame() {
         if (newLevel > level) {
             level = newLevel;
             levelElement.textContent = 'Level: ' + level;
-            pdfSpeed += 1;
+            pdfSpeed += 0.2;
         }
     }
 
@@ -249,6 +252,10 @@ function initializeGame() {
 
     let spawnPdfTimeout;
 
+	const BASE_SPAWN_INTERVAL_MS = 1250; // milliseconds before a new enemy spawns
+	const LEVEL_INCREASE_FACTOR_MS = 0; // milliseconds to decrease the spawn interval per level
+	const MAX_SPAWN_RATE_REDUCTION_MS = 800; // Max milliseconds from the base spawn interval
+
     function spawnPdfInterval() {
          console.log("spawnPdfInterval");
         if (gameOver || paused) {
@@ -258,7 +265,9 @@ function initializeGame() {
         }
         console.log("spawnPdfInterval 3");
         spawnPdf();
-        spawnPdfTimeout = setTimeout(spawnPdfInterval, 1000 - level * 50);
+        let spawnRateReduction = Math.min(level * LEVEL_INCREASE_FACTOR_MS, MAX_SPAWN_RATE_REDUCTION_MS);
+	    let spawnRate = BASE_SPAWN_INTERVAL_MS - spawnRateReduction;
+	    spawnPdfTimeout = setTimeout(spawnPdfInterval, spawnRate);
     }
 
     updatePlayerPosition();