Merge pull request #256 from Frooodle/pipeline

Pipeline changes, fonts, and watermark fixes

Dockerfile

@@ -5,6 +5,12 @@ FROM frooodle/stirling-pdf-base:latest
 RUN mkdir /scripts
 COPY ./scripts/* /scripts/
 
+#Install fonts
+RUN mkdir /usr/share/fonts/opentype/noto/
+COPY src/main/resources/static/fonts/*.ttf /usr/share/fonts/opentype/noto/
+COPY src/main/resources/static/fonts/*.otf /usr/share/fonts/opentype/noto/
+RUN fc-cache -f -v
+
 # Copy the application JAR file
 COPY build/libs/*.jar app.jar
 

README.md

@@ -119,7 +119,7 @@ services:
 Please view https://github.com/Frooodle/Stirling-PDF/blob/main/HowToUseOCR.md
 
 ## Want to add your own language?
-Stirling PDF currently supports
+Stirling PDF currently supports 16!
 - English (English) (en_GB)
 - Arabic (العربية) (ar_AR)
 - German (Deutsch) (de_DE)
@@ -132,6 +132,10 @@ Stirling PDF currently supports
 - Polish (Polski) (pl_PL)
 - Romanian (Română) (ro_RO)
 - Korean (한국어) (ko_KR)
+- Portuguese Brazilian (Português) (pt_BR)
+- Russian (Русский) (ru_RU)
+- Basque (Euskara) (eu_ES)
+- Japanese (日本語) (ja_JP)
 
 If you want to add your own language to Stirling-PDF please refer
 https://github.com/Frooodle/Stirling-PDF/blob/main/HowToAddNewLanguage.md

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

@@ -1,16 +1,15 @@
 package stirling.software.SPDF;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import java.awt.*;
+import org.springframework.core.env.Environment;
-import java.net.URI;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 import jakarta.annotation.PostConstruct;
 
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.core.env.Environment;
-
 @SpringBootApplication
+@EnableScheduling
 public class SPdfApplication {
 	
 	@Autowired

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

@@ -1,4 +1,6 @@
 package stirling.software.SPDF.config;
+
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -7,27 +9,57 @@ import org.springframework.web.servlet.ModelAndView;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.Arrays;
+import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
 
 public class CleanUrlInterceptor implements HandlerInterceptor {
 
-    private static final Pattern LANG_PATTERN = Pattern.compile("&?lang=([^&]+)");
+	private static final List<String> ALLOWED_PARAMS = Arrays.asList("lang", "endpoint", "endpoints");
 
 	@Override
-    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
+			throws Exception {
 		String queryString = request.getQueryString();
 		if (queryString != null && !queryString.isEmpty()) {
 			String requestURI = request.getRequestURI();
 
-            // Keep the lang parameter if it exists
+			Map<String, String> parameters = new HashMap<>();
-            Matcher langMatcher = LANG_PATTERN.matcher(queryString);
-            String langQueryString = langMatcher.find() ? "lang=" + langMatcher.group(1) : "";
 
-            // Check if there are any other query parameters besides the lang parameter
+			// Keep only the allowed parameters
-            String remainingQueryString = queryString.replaceAll(LANG_PATTERN.pattern(), "").replaceAll("&+", "&").replaceAll("^&|&$", "");
+			String[] queryParameters = queryString.split("&");
+			for (String param : queryParameters) {
+				String[] keyValue = param.split("=");
+				if (keyValue.length != 2) {
+					continue;
+				}
+				if (ALLOWED_PARAMS.contains(keyValue[0])) {
+					parameters.put(keyValue[0], keyValue[1]);
+				}
+			}
 
-            if (!remainingQueryString.isEmpty()) {
+			// If there are any parameters that are not allowed
-                // Redirect to the URL without other query parameters
+			if (parameters.size() != queryParameters.length) {
-                String redirectUrl = requestURI + (langQueryString.isEmpty() ? "" : "?" + langQueryString);
+				// Construct new query string
+				StringBuilder newQueryString = new StringBuilder();
+				for (Map.Entry<String, String> entry : parameters.entrySet()) {
+					if (newQueryString.length() > 0) {
+						newQueryString.append("&");
+					}
+					newQueryString.append(entry.getKey()).append("=").append(entry.getValue());
+				}
+
+				// Redirect to the URL with only allowed query parameters
+				String redirectUrl = requestURI + "?" + newQueryString;
 				response.sendRedirect(redirectUrl);
 				return false;
 			}
@@ -36,10 +68,12 @@ public class CleanUrlInterceptor implements HandlerInterceptor {
 	}
 
 	@Override
-    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {
+	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
+			ModelAndView modelAndView) {
 	}
 
 	@Override
-    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
+	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
+			Exception ex) {
 	}
 }

src/main/java/stirling/software/SPDF/config/MetricsFilter.java

@@ -28,6 +28,7 @@ public class MetricsFilter extends OncePerRequestFilter {
             throws ServletException, IOException {
         String uri = request.getRequestURI();
         
+        //System.out.println("uri="+uri + ", method=" + request.getMethod() );
         // Ignore static resources
         if (!(uri.startsWith("/js") || uri.startsWith("/images") || uri.endsWith(".ico") || uri.endsWith(".css") || uri.endsWith(".svg")|| uri.endsWith(".js") || uri.contains("swagger") || uri.startsWith("/api"))) {
             Counter counter = Counter.builder("http.requests")
@@ -36,6 +37,7 @@ public class MetricsFilter extends OncePerRequestFilter {
                     .register(meterRegistry);
 
             counter.increment();
+            //System.out.println("Counted");
         }
 
         filterChain.doFilter(request, response);

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

@@ -17,9 +17,11 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class MergeController {
 
     private static final Logger logger = LoggerFactory.getLogger(MergeController.class);
@@ -47,7 +49,7 @@ public class MergeController {
     @PostMapping(consumes = "multipart/form-data", value = "/merge-pdfs")
     @Operation(
         summary = "Merge multiple PDF files into one",
-        description = "This endpoint merges multiple PDF files into a single PDF file. The merged file will contain all pages from the input files in the order they were provided."
+        description = "This endpoint merges multiple PDF files into a single PDF file. The merged file will contain all pages from the input files in the order they were provided. Input:PDF Output:PDF Type:MISO"
     )
     public ResponseEntity<byte[]> mergePdfs(
         @RequestPart(required = true, value = "fileInput")

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

@@ -24,15 +24,17 @@ import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class MultiPageLayoutController {
 
 	private static final Logger logger = LoggerFactory.getLogger(MultiPageLayoutController.class);
 
 	@PostMapping(value = "/multi-page-layout", consumes = "multipart/form-data")
-	@Operation(summary = "Merge multiple pages of a PDF document into a single page", description = "This operation takes an input PDF file and the number of pages to merge into a single sheet in the output PDF file.")
+	@Operation(summary = "Merge multiple pages of a PDF document into a single page", description = "This operation takes an input PDF file and the number of pages to merge into a single sheet in the output PDF file. Input:PDF Output:PDF Type:SISO")
 	public ResponseEntity<byte[]> mergeMultiplePagesIntoOne(
 			@Parameter(description = "The input PDF file", required = true) @RequestParam("fileInput") MultipartFile file,
 			@Parameter(description = "The number of pages to fit onto a single sheet in the output PDF. Acceptable values are 2, 3, 4, 9, 16.", required = true, schema = @Schema(type = "integer", allowableValues = {

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

@@ -18,16 +18,18 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class RearrangePagesPDFController {
 
 	private static final Logger logger = LoggerFactory.getLogger(RearrangePagesPDFController.class);
 
 	@PostMapping(consumes = "multipart/form-data", value = "/remove-pages")
-	@Operation(summary = "Remove pages from a PDF file", description = "This endpoint removes specified pages from a given PDF file. Users can provide a comma-separated list of page numbers or ranges to delete.")
+	@Operation(summary = "Remove pages from a PDF file", description = "This endpoint removes specified pages from a given PDF file. Users can provide a comma-separated list of page numbers or ranges to delete. Input:PDF Output:PDF Type:SISO")
 	public ResponseEntity<byte[]> deletePages(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file from which pages will be removed") MultipartFile pdfFile,
 			@RequestParam("pagesToDelete") @Parameter(description = "Comma-separated list of pages or page ranges to delete, e.g., '1,3,5-8'") String pagesToDelete)
@@ -151,7 +153,7 @@ public class RearrangePagesPDFController {
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/rearrange-pages")
-	@Operation(summary = "Rearrange pages in a PDF file", description = "This endpoint rearranges pages in a given PDF file based on the specified page order or custom mode. Users can provide a page order as a comma-separated list of page numbers or page ranges, or a custom mode.")
+	@Operation(summary = "Rearrange pages in a PDF file", description = "This endpoint rearranges pages in a given PDF file based on the specified page order or custom mode. Users can provide a page order as a comma-separated list of page numbers or page ranges, or a custom mode. Input:PDF Output:PDF")
 	public ResponseEntity<byte[]> rearrangePages(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to rearrange pages") MultipartFile pdfFile,
 			@RequestParam(required = false, value = "pageOrder") @Parameter(description = "The new page order as a comma-separated list of page numbers, page ranges (e.g., '1,3,5-7'), or functions in the format 'an+b' where 'a' is the multiplier of the page number 'n', and 'b' is a constant (e.g., '2n+1', '3n', '6n-5')") String pageOrder,

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

@@ -16,9 +16,11 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class RotationController {
 
     private static final Logger logger = LoggerFactory.getLogger(RotationController.class);
@@ -26,7 +28,7 @@ public class RotationController {
     @PostMapping(consumes = "multipart/form-data", value = "/rotate-pdf")
     @Operation(
         summary = "Rotate a PDF file",
-        description = "This endpoint rotates a given PDF file by a specified angle. The angle must be a multiple of 90."
+        description = "This endpoint rotates a given PDF file by a specified angle. The angle must be a multiple of 90. Input:PDF Output:PDF Type:SISO"
     )
     public ResponseEntity<byte[]> rotatePDF(
         @RequestPart(required = true, value = "fileInput")

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

@@ -39,15 +39,17 @@ import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class ScalePagesController {
 
 	private static final Logger logger = LoggerFactory.getLogger(ScalePagesController.class);
 
 	@PostMapping(value = "/scale-pages", consumes = "multipart/form-data")
-	@Operation(summary = "Change the size of a PDF page/document", description = "This operation takes an input PDF file and the size to scale the pages to in the output PDF file.")
+	@Operation(summary = "Change the size of a PDF page/document", description = "This operation takes an input PDF file and the size to scale the pages to in the output PDF file. Input:PDF Output:PDF Type:SISO")
 	public ResponseEntity<byte[]> scalePages(
 			@Parameter(description = "The input PDF file", required = true) @RequestParam("fileInput") MultipartFile file,
 			@Parameter(description = "The scale of pages in the output PDF. Acceptable values are A0-A10, B0-B9, LETTER, TABLOID, LEDGER, LEGAL, EXECUTIVE.", required = true, schema = @Schema(type = "String", allowableValues = {

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

@@ -15,9 +15,6 @@ import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.core.io.ByteArrayResource;
-import org.springframework.core.io.Resource;
-import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -28,17 +25,19 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "General", description = "General APIs")
 public class SplitPDFController {
 
     private static final Logger logger = LoggerFactory.getLogger(SplitPDFController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/split-pages")
     @Operation(summary = "Split a PDF file into separate documents",
-            description = "This endpoint splits a given PDF file into separate documents based on the specified page numbers or ranges. Users can specify pages using individual numbers, ranges, or 'all' for every page.")
+            description = "This endpoint splits a given PDF file into separate documents based on the specified page numbers or ranges. Users can specify pages using individual numbers, ranges, or 'all' for every page. Input:PDF Output:PDF Type:SIMO")
     public ResponseEntity<byte[]> splitPdf(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file to be split")

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

@@ -20,16 +20,18 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
+@Tag(name = "Convert", description = "Convert APIs")
 public class ConvertImgPDFController {
 
     private static final Logger logger = LoggerFactory.getLogger(ConvertImgPDFController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/pdf-to-img")
     @Operation(summary = "Convert PDF to image(s)",
-            description = "This endpoint converts a PDF file to image(s) with the specified image format, color type, and DPI. Users can choose to get a single image or multiple images.")
+            description = "This endpoint converts a PDF file to image(s) with the specified image format, color type, and DPI. Users can choose to get a single image or multiple images.  Input:PDF Output:Image Type:SI-Conditional")
     public ResponseEntity<Resource> convertToImage(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file to be converted")
@@ -83,7 +85,7 @@ public class ConvertImgPDFController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/img-to-pdf")
     @Operation(summary = "Convert images to a PDF file",
-            description = "This endpoint converts one or more images to a PDF file. Users can specify whether to stretch the images to fit the PDF page, and whether to automatically rotate the images.")
+            description = "This endpoint converts one or more images to a PDF file. Users can specify whether to stretch the images to fit the PDF page, and whether to automatically rotate the images. Input:Image Output:PDF Type:SISO?")
     public ResponseEntity<byte[]> convertToPdf(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input images to be converted to a PDF file")

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

@@ -17,10 +17,12 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Convert", description = "Convert APIs")
 public class ConvertOfficeController {
 
     public byte[] convertToPdf(MultipartFile inputFile) throws IOException, InterruptedException {
@@ -57,8 +59,8 @@ public class ConvertOfficeController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/file-to-pdf")
     @Operation(
-        summary = "Convert a file to a PDF using OCR",
+        summary = "Convert a file to a PDF using LibreOffice",
-        description = "This endpoint converts a given file to a PDF using Optical Character Recognition (OCR). The filename of the resulting PDF will be the original filename with '_convertedToPDF.pdf' appended."
+        description = "This endpoint converts a given file to a PDF using LibreOffice API  Input:Any Output:PDF Type:SISO"
     )
     public ResponseEntity<byte[]> processPdfWithOCR(
         @RequestPart(required = true, value = "fileInput")

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

@@ -12,13 +12,15 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.PDFToFile;
 
 @RestController
+@Tag(name = "Convert", description = "Convert APIs")
 public class ConvertPDFToOffice {
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-html")
-	@Operation(summary = "Convert PDF to HTML", description = "This endpoint converts a PDF file to HTML format.")
+	@Operation(summary = "Convert PDF to HTML", description = "This endpoint converts a PDF file to HTML format. Input:PDF Output:HTML Type:SISO")
 	public ResponseEntity<byte[]> processPdfToHTML(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to HTML format", required = true) MultipartFile inputFile)
 			throws IOException, InterruptedException {
@@ -27,7 +29,7 @@ public class ConvertPDFToOffice {
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-presentation")
-	@Operation(summary = "Convert PDF to Presentation format", description = "This endpoint converts a given PDF file to a Presentation format.")
+	@Operation(summary = "Convert PDF to Presentation format", description = "This endpoint converts a given PDF file to a Presentation format. Input:PDF Output:PPT Type:SISO")
 	public ResponseEntity<byte[]> processPdfToPresentation(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
 			@RequestParam("outputFormat") @Parameter(description = "The output Presentation format", schema = @Schema(allowableValues = {
@@ -38,7 +40,7 @@ public class ConvertPDFToOffice {
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-text")
-	@Operation(summary = "Convert PDF to Text or RTF format", description = "This endpoint converts a given PDF file to Text or RTF format.")
+	@Operation(summary = "Convert PDF to Text or RTF format", description = "This endpoint converts a given PDF file to Text or RTF format. Input:PDF Output:TXT Type:SISO")
 	public ResponseEntity<byte[]> processPdfToRTForTXT(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
 			@RequestParam("outputFormat") @Parameter(description = "The output Text or RTF format", schema = @Schema(allowableValues = {
@@ -49,7 +51,7 @@ public class ConvertPDFToOffice {
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-word")
-	@Operation(summary = "Convert PDF to Word document", description = "This endpoint converts a given PDF file to a Word document format.")
+	@Operation(summary = "Convert PDF to Word document", description = "This endpoint converts a given PDF file to a Word document format. Input:PDF Output:WORD Type:SISO")
 	public ResponseEntity<byte[]> processPdfToWord(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
 			@RequestParam("outputFormat") @Parameter(description = "The output Word document format", schema = @Schema(allowableValues = {
@@ -60,7 +62,7 @@ public class ConvertPDFToOffice {
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-xml")
-	@Operation(summary = "Convert PDF to XML", description = "This endpoint converts a PDF file to an XML file.")
+	@Operation(summary = "Convert PDF to XML", description = "This endpoint converts a PDF file to an XML file. Input:PDF Output:XML Type:SISO")
 	public ResponseEntity<byte[]> processPdfToXML(
 			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to an XML file", required = true) MultipartFile inputFile)
 			throws IOException, InterruptedException {

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

@@ -14,16 +14,18 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Convert", description = "Convert APIs")
 public class ConvertPDFToPDFA {
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-pdfa")
 	@Operation(
 	    summary = "Convert a PDF to a PDF/A",
-	    description = "This endpoint converts a PDF file to a PDF/A file. PDF/A is a format designed for long-term archiving of digital documents."
+	    description = "This endpoint converts a PDF file to a PDF/A file. PDF/A is a format designed for long-term archiving of digital documents. Input:PDF Output:PDF Type:SISO"
 	)
 	public ResponseEntity<byte[]> pdfToPdfA(
 	    @RequestPart(required = true, value = "fileInput")

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

@@ -0,0 +1,162 @@
+package stirling.software.SPDF.controller.api.filters;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.utils.PdfUtils;
+import stirling.software.SPDF.utils.ProcessExecutor;
+import stirling.software.SPDF.utils.WebResponseUtils;
+
+@RestController
+@Tag(name = "Filter", description = "Filter APIs")
+public class FilterController {
+
+	@PostMapping(consumes = "multipart/form-data", value = "/contains-text")
+	@Operation(summary = "Checks if a PDF contains set text, returns true if does", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean containsText(
+			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile,
+			@Parameter(description = "The text to check for", required = true) String text,
+			@Parameter(description = "The page number to check for text on accepts 'All', ranges like '1-4'", required = false) String pageNumber)
+			throws IOException, InterruptedException {
+		PDDocument pdfDocument = PDDocument.load(inputFile.getInputStream());
+		return PdfUtils.hasText(pdfDocument, pageNumber);
+	}
+
+	@PostMapping(consumes = "multipart/form-data", value = "/contains-image")
+	@Operation(summary = "Checks if a PDF contains an image", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean containsImage(
+			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true) MultipartFile inputFile,
+			@Parameter(description = "The page number to check for image on accepts 'All', ranges like '1-4'", required = false) String pageNumber)
+			throws IOException, InterruptedException {
+		PDDocument pdfDocument = PDDocument.load(inputFile.getInputStream());
+		return PdfUtils.hasImagesOnPage(null);
+	}
+
+	@PostMapping(consumes = "multipart/form-data", value = "/page-count")
+	@Operation(summary = "Checks if a PDF is greater, less or equal to a setPageCount", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean pageCount(
+			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
+			@Parameter(description = "Page Count", required = true) String pageCount,
+			@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
+			throws IOException, InterruptedException {
+		// Load the PDF
+		PDDocument document = PDDocument.load(inputFile.getInputStream());
+		int actualPageCount = document.getNumberOfPages();
+
+		// Perform the comparison
+		switch (comparator) {
+		case "Greater":
+			return actualPageCount > Integer.parseInt(pageCount);
+		case "Equal":
+			return actualPageCount == Integer.parseInt(pageCount);
+		case "Less":
+			return actualPageCount < Integer.parseInt(pageCount);
+		default:
+			throw new IllegalArgumentException("Invalid comparator: " + comparator);
+		}
+	}
+
+	@PostMapping(consumes = "multipart/form-data", value = "/page-size")
+	@Operation(summary = "Checks if a PDF is of a certain size", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean pageSize(
+		@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
+		@Parameter(description = "Standard Page Size", required = true) String standardPageSize,
+		@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
+		throws IOException, InterruptedException {
+		
+		// Load the PDF
+		PDDocument document = PDDocument.load(inputFile.getInputStream());
+
+		PDPage firstPage = document.getPage(0);
+		PDRectangle actualPageSize = firstPage.getMediaBox();
+
+		// Calculate the area of the actual page size
+		float actualArea = actualPageSize.getWidth() * actualPageSize.getHeight();
+
+		// Get the standard size and calculate its area
+		PDRectangle standardSize = PdfUtils.textToPageSize(standardPageSize);
+		float standardArea = standardSize.getWidth() * standardSize.getHeight();
+
+		// Perform the comparison
+		switch (comparator) {
+		case "Greater":
+			return actualArea > standardArea;
+		case "Equal":
+			return actualArea == standardArea;
+		case "Less":
+			return actualArea < standardArea;
+		default:
+			throw new IllegalArgumentException("Invalid comparator: " + comparator);
+		}
+	}
+	
+
+	@PostMapping(consumes = "multipart/form-data", value = "/file-size")
+	@Operation(summary = "Checks if a PDF is a set file size", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean fileSize(
+		@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
+		@Parameter(description = "File Size", required = true) String fileSize,
+		@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
+		throws IOException, InterruptedException {
+		
+		// Get the file size
+		long actualFileSize = inputFile.getSize();
+
+		// Perform the comparison
+		switch (comparator) {
+		case "Greater":
+			return actualFileSize > Long.parseLong(fileSize);
+		case "Equal":
+			return actualFileSize == Long.parseLong(fileSize);
+		case "Less":
+			return actualFileSize < Long.parseLong(fileSize);
+		default:
+			throw new IllegalArgumentException("Invalid comparator: " + comparator);
+		}
+	}
+
+	
+	@PostMapping(consumes = "multipart/form-data", value = "/page-rotation")
+	@Operation(summary = "Checks if a PDF is of a certain rotation", description = "Input:PDF Output:Boolean Type:SISO")
+	public Boolean pageRotation(
+		@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file", required = true) MultipartFile inputFile,
+		@Parameter(description = "Rotation in degrees", required = true) int rotation,
+		@Parameter(description = "Comparison type, accepts Greater, Equal, Less than", required = false) String comparator)
+		throws IOException, InterruptedException {
+		
+		// Load the PDF
+		PDDocument document = PDDocument.load(inputFile.getInputStream());
+
+		// Get the rotation of the first page
+		PDPage firstPage = document.getPage(0);
+		int actualRotation = firstPage.getRotation();
+
+		// Perform the comparison
+		switch (comparator) {
+		case "Greater":
+			return actualRotation > rotation;
+		case "Equal":
+			return actualRotation == rotation;
+		case "Less":
+			return actualRotation < rotation;
+		default:
+			throw new IllegalArgumentException("Invalid comparator: " + comparator);
+		}
+	}
+
+}

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

@@ -28,17 +28,19 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
-import stirling.software.SPDF.pdf.ImageFinder;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class BlankPageController {
 
 	@PostMapping(consumes = "multipart/form-data", value = "/remove-blanks")
 	@Operation(
 	    summary = "Remove blank pages from a PDF file",
-	    description = "This endpoint removes blank pages from a given PDF file. Users can specify the threshold and white percentage to tune the detection of blank pages."
+	    description = "This endpoint removes blank pages from a given PDF file. Users can specify the threshold and white percentage to tune the detection of blank pages. Input:PDF Output:PDF Type:SISO"
 	)
 	public ResponseEntity<byte[]> removeBlankPages(
 	    @RequestPart(required = true, value = "fileInput")
@@ -71,7 +73,7 @@ public class BlankPageController {
                     pagesToKeepIndex.add(pageIndex);
                     System.out.println("page " + pageIndex + " has text");
                 } else {
-                    boolean hasImages = hasImagesOnPage(page);
+                    boolean hasImages = PdfUtils.hasImagesOnPage(page);
                     if (hasImages) {
                         System.out.println("page " + pageIndex + " has image");
     
@@ -120,9 +122,5 @@ public class BlankPageController {
     }
 
 
-    private static boolean hasImagesOnPage(PDPage page) throws IOException {
+    
-        ImageFinder imageFinder = new ImageFinder(page);
-        imageFinder.processPage(page);
-        return imageFinder.hasImages();
-    }
 }

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

@@ -31,17 +31,19 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class CompressController {
 
     private static final Logger logger = LoggerFactory.getLogger(CompressController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/compress-pdf")
-    @Operation(summary = "Optimize PDF file", description = "This endpoint accepts a PDF file and optimizes it based on the provided parameters.")
+    @Operation(summary = "Optimize PDF file", description = "This endpoint accepts a PDF file and optimizes it based on the provided parameters. Input:PDF Output:PDF Type:SISO")
     public ResponseEntity<byte[]> optimizePdf(
             @RequestPart(value = "fileInput") @Parameter(description = "The input PDF file to be optimized.", required = true) MultipartFile inputFile,
             @RequestParam(required = false, value = "optimizeLevel") @Parameter(description = "The level of optimization to apply to the PDF file. Higher values indicate greater compression but may reduce quality.", schema = @Schema(allowableValues = {

src/main/java/stirling/software/SPDF/controller/api/other/ExtractImageScansController.java

@@ -31,17 +31,19 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class ExtractImageScansController {
 
     private static final Logger logger = LoggerFactory.getLogger(ExtractImageScansController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/extract-image-scans")
     @Operation(summary = "Extract image scans from an input file",
-            description = "This endpoint extracts image scans from a given file based on certain parameters. Users can specify angle threshold, tolerance, minimum area, minimum contour area, and border size.")
+            description = "This endpoint extracts image scans from a given file based on certain parameters. Users can specify angle threshold, tolerance, minimum area, minimum contour area, and border size. Input:PDF Output:IMAGE/ZIP Type:SIMO")
     public ResponseEntity<byte[]> extractImageScans(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input file containing image scans")

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

@@ -29,15 +29,17 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class ExtractImagesController {
 
     private static final Logger logger = LoggerFactory.getLogger(ExtractImagesController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/extract-images")
     @Operation(summary = "Extract images from a PDF file",
-            description = "This endpoint extracts images from a given PDF file and returns them in a zip file. Users can specify the output image format.")
+            description = "This endpoint extracts images from a given PDF file and returns them in a zip file. Users can specify the output image format. Input:PDF Output:IMAGE/ZIP Type:SIMO")
     public ResponseEntity<byte[]> extractImages(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file containing images")

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

@@ -1,12 +1,31 @@
 package stirling.software.SPDF.controller.api.other;
 
+import java.awt.Color;
+import java.awt.geom.AffineTransform;
+import java.awt.image.AffineTransformOp;
+//Required for image manipulation
+import java.awt.image.BufferedImage;
+import java.awt.image.BufferedImageOp;
+import java.awt.image.ConvolveOp;
+import java.awt.image.Kernel;
+import java.awt.image.RescaleOp;
+//Required for file input/output
+import java.io.File;
 import java.io.IOException;
-import java.nio.file.Files;
+//Other required classes
-import java.nio.file.Path;
+import java.util.Random;
-import java.util.ArrayList;
+
-import java.util.List;
+//Required for image input/output
+import javax.imageio.ImageIO;
 
 import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
+import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
+import org.apache.pdfbox.rendering.ImageType;
+import org.apache.pdfbox.rendering.PDFRenderer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
@@ -17,46 +36,17 @@ import org.springframework.web.multipart.MultipartFile;
 
 import com.itextpdf.io.source.ByteArrayOutputStream;
 
+import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
-import stirling.software.SPDF.utils.ProcessExecutor;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
-//Required for PDF manipulation
-import org.apache.pdfbox.pdmodel.PDDocument;
-import org.apache.pdfbox.pdmodel.PDPage;
-import org.apache.pdfbox.pdmodel.PDPageContentStream;
-import org.apache.pdfbox.pdmodel.common.PDRectangle;
-import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
-import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
-import org.apache.pdfbox.rendering.ImageType;
-import org.apache.pdfbox.rendering.PDFRenderer;
-
-
-//Required for image manipulation
-import java.awt.image.BufferedImage;
-import java.awt.image.BufferedImageOp;
-import java.awt.image.RescaleOp;
-import java.awt.image.AffineTransformOp;
-import java.awt.image.ConvolveOp;
-import java.awt.image.Kernel;
-import java.awt.Color;
-import java.awt.geom.AffineTransform;
-
-//Required for image input/output
-import javax.imageio.ImageIO;
-
-//Required for file input/output
-import java.io.File;
-
-//Other required classes
-import java.util.Random;
-
-import io.swagger.v3.oas.annotations.Hidden;
 
 @RestController
-public class FakeScanController {
+@Tag(name = "Other", description = "Other APIs")
+public class FakeScanControllerWIP {
 
-    private static final Logger logger = LoggerFactory.getLogger(FakeScanController.class);
+    private static final Logger logger = LoggerFactory.getLogger(FakeScanControllerWIP.class);
 
     //TODO
     @Hidden

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

@@ -19,9 +19,11 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class MetadataController {
 
 
@@ -38,7 +40,7 @@ public class MetadataController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/update-metadata")
     @Operation(summary = "Update metadata of a PDF file",
-            description = "This endpoint allows you to update the metadata of a given PDF file. You can add, modify, or delete standard and custom metadata fields.")
+            description = "This endpoint allows you to update the metadata of a given PDF file. You can add, modify, or delete standard and custom metadata fields. Input:PDF Output:PDF Type:SISO")
     public ResponseEntity<byte[]> metadata(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file to update metadata")
@@ -73,6 +75,7 @@ public class MetadataController {
             @RequestParam(value = "trapped", required = false)
             @Parameter(description = "The trapped status of the document")
                     String trapped,
+                    @Parameter(description = "Map list of key and value of custom parameters, note these must start with customKey and customValue if they are non standard")
             @RequestParam Map<String, String> allRequestParams)
             throws IOException {
 

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

@@ -27,10 +27,12 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class OCRController {
 
     private static final Logger logger = LoggerFactory.getLogger(OCRController.class);
@@ -47,7 +49,7 @@ public class OCRController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/ocr-pdf")
     @Operation(summary = "Process a PDF file with OCR",
-            description = "This endpoint processes a PDF file using OCR (Optical Character Recognition). Users can specify languages, sidecar, deskew, clean, cleanFinal, ocrType, ocrRenderType, and removeImagesAfter options.")
+            description = "This endpoint processes a PDF file using OCR (Optical Character Recognition). Users can specify languages, sidecar, deskew, clean, cleanFinal, ocrType, ocrRenderType, and removeImagesAfter options. Input:PDF Output:PDF Type:SI-Conditional")
     public ResponseEntity<byte[]> processPdfWithOCR(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file to be processed with OCR")

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

@@ -14,10 +14,12 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class OverlayImageController {
 
     private static final Logger logger = LoggerFactory.getLogger(OverlayImageController.class);
@@ -25,7 +27,7 @@ public class OverlayImageController {
     @PostMapping(consumes = "multipart/form-data", value = "/add-image")
     @Operation(
         summary = "Overlay image onto a PDF file",
-        description = "This endpoint overlays an image onto a PDF file at the specified coordinates. The image can be overlaid on every page of the PDF if specified."
+        description = "This endpoint overlays an image onto a PDF file at the specified coordinates. The image can be overlaid on every page of the PDF if specified.  Input:PDF/IMAGE Output:PDF Type:MF-SISO"
     )
     public ResponseEntity<byte[]> overlayImage(
         @RequestPart(required = true, value = "fileInput")

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

@@ -16,10 +16,12 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
+@Tag(name = "Other", description = "Other APIs")
 public class RepairController {
 
     private static final Logger logger = LoggerFactory.getLogger(RepairController.class);
@@ -27,7 +29,7 @@ public class RepairController {
     @PostMapping(consumes = "multipart/form-data", value = "/repair")
     @Operation(
         summary = "Repair a PDF file",
-        description = "This endpoint repairs a given PDF file by running Ghostscript command. The PDF is first saved to a temporary location, repaired, read back, and then returned as a response."
+        description = "This endpoint repairs a given PDF file by running Ghostscript command. The PDF is first saved to a temporary location, repaired, read back, and then returned as a response. Input:PDF Output:PDF Type:SISO"
     )
     public ResponseEntity<byte[]> repairPdf(
         @RequestPart(required = true, value = "fileInput")

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

@@ -0,0 +1,399 @@
+package stirling.software.SPDF.controller.api.pipeline;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Stream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+import java.util.zip.ZipOutputStream;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.core.io.Resource;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.model.PipelineConfig;
+import stirling.software.SPDF.model.PipelineOperation;
+import stirling.software.SPDF.utils.WebResponseUtils;
+
+
+@RestController
+@Tag(name = "Pipeline", description = "Pipeline APIs")
+public class Controller {
+
+	@Autowired
+	private ObjectMapper objectMapper;
+	
+	
+	final String jsonFileName = "pipelineCofig.json";
+	final String watchedFoldersDir = "watchedFolders/";
+	@Scheduled(fixedRate = 5000)
+	public void scanFolders() {
+		Path watchedFolderPath = Paths.get(watchedFoldersDir);
+	    if (!Files.exists(watchedFolderPath)) {
+	        try {
+	            Files.createDirectories(watchedFolderPath);
+	        } catch (IOException e) {
+	            e.printStackTrace();
+	            return;
+	        }
+	    }
+	    
+		try (Stream<Path> paths = Files.walk(watchedFolderPath)) {
+	        paths.filter(Files::isDirectory).forEach(t -> {
+				try {
+					if (!t.equals(watchedFolderPath) && !t.endsWith("processing")) {
+						handleDirectory(t);
+					}
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			});
+	    } catch (Exception e) {
+	        e.printStackTrace();
+	    }
+	}
+	
+	private void handleDirectory(Path dir) throws Exception {
+	    Path jsonFile = dir.resolve(jsonFileName);
+	    Path processingDir = dir.resolve("processing"); // Directory to move files during processing
+	    if (!Files.exists(processingDir)) {
+	        Files.createDirectory(processingDir);
+	    }
+
+	    if (Files.exists(jsonFile)) {
+	        // Read JSON file
+	        String jsonString;
+	        try {
+	            jsonString = new String(Files.readAllBytes(jsonFile));
+	        } catch (IOException e) {
+	            e.printStackTrace();
+	            return;
+	        }
+
+	        // Decode JSON to PipelineConfig
+	        PipelineConfig config;
+	        try {
+	            config = objectMapper.readValue(jsonString, PipelineConfig.class);
+	            // Assuming your PipelineConfig class has getters for all necessary fields, you can perform checks here
+	            if (config.getOperations() == null || config.getOutputDir() == null || config.getName() == null) {
+	                throw new IOException("Invalid JSON format");
+	            }
+	        } catch (IOException e) {
+	            e.printStackTrace();
+	            return;
+	        }
+
+	        // For each operation in the pipeline
+	        for (PipelineOperation operation : config.getOperations()) {
+	            // Collect all files based on fileInput
+	            File[] files;
+	            String fileInput = (String) operation.getParameters().get("fileInput");
+	            if ("automated".equals(fileInput)) {
+	                // If fileInput is "automated", process all files in the directory
+	                try (Stream<Path> paths = Files.list(dir)) {
+	                    files = paths.filter(path -> !path.equals(jsonFile))
+	                            .map(Path::toFile)
+	                            .toArray(File[]::new);
+	                } catch (IOException e) {
+	                    e.printStackTrace();
+	                    return;
+	                }
+	            } else {
+	                // If fileInput contains a path, process only this file
+	                files = new File[]{new File(fileInput)};
+	            }
+	            
+	            // Prepare the files for processing
+	            File[] filesToProcess = files.clone();
+	            for (File file : filesToProcess) {
+	                Files.move(file.toPath(), processingDir.resolve(file.getName()));
+	            }
+	            
+	            // Process the files
+	            try {
+	                List<Resource> resources = handleFiles(filesToProcess, jsonString);
+
+	                // Move resultant files and rename them as per config in JSON file
+	                for (Resource resource : resources) {
+	                    String outputFileName = config.getOutputPattern().replace("{filename}", resource.getFile().getName());
+	                    outputFileName = outputFileName.replace("{pipelineName}", config.getName());
+	                    DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyyMMdd");
+	                    outputFileName = outputFileName.replace("{date}", LocalDate.now().format(dateFormatter));
+	                    DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern("HHmmss");
+	                    outputFileName = outputFileName.replace("{time}", LocalTime.now().format(timeFormatter));
+	                    // {filename} {folder} {date} {tmime} {pipeline}
+
+	                    Files.move(resource.getFile().toPath(), Paths.get(config.getOutputDir(), outputFileName));
+	                }
+	                
+	                // If successful, delete the original files
+	                for (File file : filesToProcess) {
+	                    Files.deleteIfExists(processingDir.resolve(file.getName()));
+	                }
+	            } catch (Exception e) {
+	                // If an error occurs, move the original files back
+	                for (File file : filesToProcess) {
+	                    Files.move(processingDir.resolve(file.getName()), file.toPath());
+	                }
+	                throw e;
+	            }
+	        }
+	    }
+	}
+
+
+
+
+List<Resource> processFiles(List<Resource> outputFiles, String jsonString) throws Exception{
+	ObjectMapper mapper = new ObjectMapper();
+	JsonNode jsonNode = mapper.readTree(jsonString);
+
+	JsonNode pipelineNode = jsonNode.get("pipeline");
+	ByteArrayOutputStream logStream = new ByteArrayOutputStream();
+	PrintStream logPrintStream = new PrintStream(logStream);
+	
+	boolean hasErrors = false;
+
+	for (JsonNode operationNode : pipelineNode) {
+		String operation = operationNode.get("operation").asText();
+		JsonNode parametersNode = operationNode.get("parameters");
+		String inputFileExtension = "";
+		if(operationNode.has("inputFileType")) {
+		 inputFileExtension = operationNode.get("inputFileType").asText();
+		} else {
+			inputFileExtension=".pdf";
+		}
+
+		List<Resource> newOutputFiles = new ArrayList<>();
+		boolean hasInputFileType = false;
+
+		for (Resource file : outputFiles) {
+			if (file.getFilename().endsWith(inputFileExtension)) {
+				hasInputFileType = true;
+				MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+				body.add("fileInput", file);
+
+				Iterator<Map.Entry<String, JsonNode>> parameters = parametersNode.fields();
+				while (parameters.hasNext()) {
+					Map.Entry<String, JsonNode> parameter = parameters.next();
+					body.add(parameter.getKey(), parameter.getValue().asText());
+				}
+
+				HttpHeaders headers = new HttpHeaders();
+				headers.setContentType(MediaType.MULTIPART_FORM_DATA);
+
+				HttpEntity<MultiValueMap<String, Object>> entity = new HttpEntity<>(body, headers);
+
+				RestTemplate restTemplate = new RestTemplate();
+				String url = "http://localhost:8080/" + operation;
+
+				ResponseEntity<byte[]> response = restTemplate.exchange(url, HttpMethod.POST, entity, byte[].class);
+
+				if (!response.getStatusCode().equals(HttpStatus.OK)) {
+					logPrintStream.println("Error: " + response.getBody());
+					hasErrors = true;
+                    continue;
+				}
+
+				// Check if the response body is a zip file
+				if (isZip(response.getBody())) {
+					// Unzip the file and add all the files to the new output files
+					newOutputFiles.addAll(unzip(response.getBody()));
+				} else {
+					Resource outputResource = new ByteArrayResource(response.getBody()) {
+						@Override
+						public String getFilename() {
+							return file.getFilename(); // Preserving original filename
+						}
+					};
+					newOutputFiles.add(outputResource);
+				}
+			}
+
+			 if (!hasInputFileType) {
+                logPrintStream.println("No files with extension " + inputFileExtension + " found for operation " + operation);
+                hasErrors = true;
+            }
+			 
+			outputFiles = newOutputFiles;
+		}
+		logPrintStream.close();
+		
+	}
+	return outputFiles;
+}
+	
+
+List<Resource> handleFiles(File[] files, String jsonString) throws Exception{
+	ObjectMapper mapper = new ObjectMapper();
+	JsonNode jsonNode = mapper.readTree(jsonString);
+
+	JsonNode pipelineNode = jsonNode.get("pipeline");
+	ByteArrayOutputStream logStream = new ByteArrayOutputStream();
+	PrintStream logPrintStream = new PrintStream(logStream);
+	
+	boolean hasErrors = false;
+	List<Resource> outputFiles = new ArrayList<>();
+
+	for (File file : files) {
+		Path path = Paths.get(file.getAbsolutePath());
+        Resource fileResource = new ByteArrayResource(Files.readAllBytes(path)) {
+            @Override
+            public String getFilename() {
+                return file.getName();
+            }
+        };
+		outputFiles.add(fileResource);
+	}
+	return processFiles(outputFiles, jsonString);
+}
+
+	List<Resource> handleFiles(MultipartFile[] files, String jsonString) throws Exception{
+		ObjectMapper mapper = new ObjectMapper();
+		JsonNode jsonNode = mapper.readTree(jsonString);
+
+		JsonNode pipelineNode = jsonNode.get("pipeline");
+		ByteArrayOutputStream logStream = new ByteArrayOutputStream();
+		PrintStream logPrintStream = new PrintStream(logStream);
+		
+		boolean hasErrors = false;
+		List<Resource> outputFiles = new ArrayList<>();
+
+		for (MultipartFile file : files) {
+			Resource fileResource = new ByteArrayResource(file.getBytes()) {
+				@Override
+				public String getFilename() {
+					return file.getOriginalFilename();
+				}
+			};
+			outputFiles.add(fileResource);
+		}
+		return processFiles(outputFiles, jsonString);
+	}
+	
+	@PostMapping("/handleData")
+	public ResponseEntity<byte[]> handleData(@RequestPart("fileInput") MultipartFile[] files,
+			@RequestParam("json") String jsonString) {
+		try {
+			
+		List<Resource> outputFiles = handleFiles(files, jsonString);
+
+		if (outputFiles.size() == 1) {
+		    // If there is only one file, return it directly
+		    Resource singleFile = outputFiles.get(0);
+		    InputStream is = singleFile.getInputStream();
+		    byte[] bytes = new byte[(int)singleFile.contentLength()];
+		    is.read(bytes);
+		    is.close();
+		
+		    return WebResponseUtils.bytesToWebResponse(bytes, singleFile.getFilename(), MediaType.APPLICATION_OCTET_STREAM);
+		} 
+
+			// Create a ByteArrayOutputStream to hold the zip
+		    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		    ZipOutputStream zipOut = new ZipOutputStream(baos);
+
+		    // Loop through each file and add it to the zip
+		    for (Resource file : outputFiles) {
+		        ZipEntry zipEntry = new ZipEntry(file.getFilename());
+		        zipOut.putNextEntry(zipEntry);
+
+		        // Read the file into a byte array
+		        InputStream is = file.getInputStream();
+		        byte[] bytes = new byte[(int)file.contentLength()];
+		        is.read(bytes);
+
+		        // Write the bytes of the file to the zip
+		        zipOut.write(bytes, 0, bytes.length);
+		        zipOut.closeEntry();
+
+		        is.close();
+		    }
+
+		    zipOut.close();
+		    
+			return WebResponseUtils.boasToWebResponse(baos, "output.zip", MediaType.APPLICATION_OCTET_STREAM);
+		} catch (Exception e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	private boolean isZip(byte[] data) {
+		if (data == null || data.length < 4) {
+			return false;
+		}
+
+		// Check the first four bytes of the data against the standard zip magic number
+		return data[0] == 0x50 && data[1] == 0x4B && data[2] == 0x03 && data[3] == 0x04;
+	}
+
+	private List<Resource> unzip(byte[] data) throws IOException {
+		List<Resource> unzippedFiles = new ArrayList<>();
+
+		try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
+				ZipInputStream zis = new ZipInputStream(bais)) {
+
+			ZipEntry entry;
+			while ((entry = zis.getNextEntry()) != null) {
+				ByteArrayOutputStream baos = new ByteArrayOutputStream();
+				byte[] buffer = new byte[1024];
+				int count;
+
+				while ((count = zis.read(buffer)) != -1) {
+					baos.write(buffer, 0, count);
+				}
+
+				final String filename = entry.getName();
+				Resource fileResource = new ByteArrayResource(baos.toByteArray()) {
+					@Override
+					public String getFilename() {
+						return filename;
+					}
+				};
+
+				// If the unzipped file is a zip file, unzip it
+				if (isZip(baos.toByteArray())) {
+					unzippedFiles.addAll(unzip(baos.toByteArray()));
+				} else {
+					unzippedFiles.add(fileResource);
+				}
+			}
+		}
+
+		return unzippedFiles;
+	}
+}

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

@@ -51,8 +51,10 @@ import com.itextpdf.signatures.SignatureUtil;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
+@Tag(name = "Security", description = "Security APIs")
 public class CertSignController {
 
     private static final Logger logger = LoggerFactory.getLogger(CertSignController.class);
@@ -63,7 +65,7 @@ public class CertSignController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
     @Operation(summary = "Sign PDF with a Digital Certificate",
-        description = "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file.")
+        description = "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file. Input:PDF Output:PDF Type:MF-SISO")
     public ResponseEntity<byte[]> signPDF(
         @RequestPart(required = true, value = "fileInput")
         @Parameter(description = "The input PDF file to be signed")

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

@@ -17,8 +17,10 @@ import org.springframework.web.multipart.MultipartFile;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
+@Tag(name = "Security", description = "Security APIs")
 public class PasswordController {
 
     private static final Logger logger = LoggerFactory.getLogger(PasswordController.class);
@@ -27,7 +29,7 @@ public class PasswordController {
     @PostMapping(consumes = "multipart/form-data", value = "/remove-password")
     @Operation(
         summary = "Remove password from a PDF file",
-        description = "This endpoint removes the password from a protected PDF file. Users need to provide the existing password."
+        description = "This endpoint removes the password from a protected PDF file. Users need to provide the existing password. Input:PDF Output:PDF Type:SISO"
     )
     public ResponseEntity<byte[]> removePassword(
         @RequestPart(required = true, value = "fileInput")
@@ -44,7 +46,7 @@ public class PasswordController {
     @PostMapping(consumes = "multipart/form-data", value = "/add-password")
     @Operation(
         summary = "Add password to a PDF file",
-        description = "This endpoint adds password protection to a PDF file. Users can specify a set of permissions that should be applied to the file."
+        description = "This endpoint adds password protection to a PDF file. Users can specify a set of permissions that should be applied to the file. Input:PDF Output:PDF"
     )
     public ResponseEntity<byte[]> addPassword(
         @RequestPart(required = true, value = "fileInput")

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

@@ -1,15 +1,23 @@
 package stirling.software.SPDF.controller.api.security;
 
 import java.awt.Color;
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.List;
 
+import org.apache.commons.io.IOUtils;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType0Font;
 import org.apache.pdfbox.pdmodel.font.PDType1Font;
 import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
 import org.apache.pdfbox.util.Matrix;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -19,18 +27,26 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.WebResponseUtils;
-
+import io.swagger.v3.oas.annotations.media.Schema;
 @RestController
+@Tag(name = "Security", description = "Security APIs")
 public class WatermarkController {
 
     @PostMapping(consumes = "multipart/form-data", value = "/add-watermark")
     @Operation(summary = "Add watermark to a PDF file",
-            description = "This endpoint adds a watermark to a given PDF file. Users can specify the watermark text, font size, rotation, opacity, width spacer, and height spacer.")
+            description = "This endpoint adds a watermark to a given PDF file. Users can specify the watermark text, font size, rotation, opacity, width spacer, and height spacer. Input:PDF Output:PDF Type:SISO")
     public ResponseEntity<byte[]> addWatermark(
             @RequestPart(required = true, value = "fileInput")
             @Parameter(description = "The input PDF file to add a watermark")
                     MultipartFile pdfFile,
+            @RequestParam(defaultValue = "roman", name = "alphabet")
+            @Parameter(description = "The selected alphabet", 
+                       schema = @Schema(type = "string", 
+                                        allowableValues = {"roman","arabic","japanese","korean","chinese"}, 
+                                        defaultValue = "roman"))
+                    String alphabet,
             @RequestParam("watermarkText")
             @Parameter(description = "The watermark text to add to the PDF file")
                     String watermarkText,
@@ -48,11 +64,11 @@ public class WatermarkController {
                     int widthSpacer,
             @RequestParam(defaultValue = "50", name = "heightSpacer")
             @Parameter(description = "The height spacer between watermark texts", example = "50")
-                    int heightSpacer) throws IOException {
+                    int heightSpacer) throws IOException, Exception {
 
         // Load the input PDF
         PDDocument document = PDDocument.load(pdfFile.getInputStream());
-
+        String producer = document.getDocumentInformation().getProducer();
         // Create a page in the document
         for (PDPage page : document.getPages()) {
 
@@ -64,8 +80,40 @@ public class WatermarkController {
             graphicsState.setNonStrokingAlphaConstant(opacity);
             contentStream.setGraphicsStateParameters(graphicsState);
 
-            // Set font of watermark
+
+			String resourceDir = "";
 		    PDFont font = PDType1Font.HELVETICA_BOLD;
+		    switch (alphabet) {
+		        case "arabic":
+		            resourceDir = "static/fonts/NotoSansArabic-Regular.ttf";
+		            break;
+		        case "japanese":
+		            resourceDir = "static/fonts/Meiryo.ttf";
+		            break;
+		        case "korean":
+		            resourceDir = "static/fonts/malgun.ttf";
+		            break;
+		        case "chinese":
+		            resourceDir = "static/fonts/SimSun.ttf";
+		            break;
+		        case "roman":
+		        default:
+		            resourceDir = "static/fonts/NotoSans-Regular.ttf";
+		            break;
+		    }
+
+            
+            if(!resourceDir.equals("")) {
+	            ClassPathResource classPathResource = new ClassPathResource(resourceDir);
+	            String fileExtension = resourceDir.substring(resourceDir.lastIndexOf("."));
+	            File tempFile = File.createTempFile("NotoSansFont", fileExtension);
+	            try (InputStream is = classPathResource.getInputStream(); FileOutputStream os = new FileOutputStream(tempFile)) {
+	                IOUtils.copy(is, os);
+	            }
+	            
+	            font = PDType0Font.load(document, tempFile);
+	            tempFile.deleteOnExit();
+            }
             contentStream.beginText();
             contentStream.setFont(font, fontSize);
             contentStream.setNonStrokingColor(Color.LIGHT_GRAY);
@@ -81,11 +129,19 @@ public class WatermarkController {
             // Add the watermark text
             for (int i = 0; i < watermarkRows; i++) {
                 for (int j = 0; j < watermarkCols; j++) {
+                	
+                	if(producer.contains("Google Docs")) {
+                		//This fixes weird unknown google docs y axis rotation/flip issue 
+                		//TODO: Long term fix one day
+                        //contentStream.setTextMatrix(1, 0, 0, -1, j * watermarkWidth, pageHeight - i * watermarkHeight);
+                		Matrix matrix = new Matrix(1, 0, 0, -1, j * watermarkWidth, pageHeight - i * watermarkHeight);
+                		contentStream.setTextMatrix(matrix);
+                	} else {
                 		contentStream.setTextMatrix(Matrix.getRotateInstance((float) Math.toRadians(rotation), j * watermarkWidth, i * watermarkHeight));
+                	}
                     contentStream.showTextWithPositioning(new Object[] { watermarkText });
                 }
             }
-
             contentStream.endText();
 
             // Close the content stream

src/main/java/stirling/software/SPDF/controller/web/ConverterWebController.java

@@ -6,8 +6,10 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.servlet.ModelAndView;
 
 import io.swagger.v3.oas.annotations.Hidden;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 @Controller
+@Tag(name = "Convert", description = "Convert APIs")
 public class ConverterWebController {
 
     @GetMapping("/img-to-pdf")

src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java

@@ -1,27 +1,29 @@
 package stirling.software.SPDF.controller.web;
 
-import org.springframework.http.MediaType;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.ResponseBody;
 
 import io.swagger.v3.oas.annotations.Hidden;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 @Controller
+@Tag(name = "General", description = "General APIs")
 public class GeneralWebController {
+	 @GetMapping("/pipeline")
+	    @Hidden
+	    public String pipelineForm(Model model) {
+	        model.addAttribute("currentPage", "pipeline");
+	        return "pipeline";
+	    }
+	 
     @GetMapping("/merge-pdfs")
     @Hidden
     public String mergePdfForm(Model model) {
         model.addAttribute("currentPage", "merge-pdfs");
         return "merge-pdfs";
     }
-    @GetMapping("/about")
+    
-    @Hidden
-    public String gameForm(Model model) {
-        model.addAttribute("currentPage", "about");
-        return "about";
-    }
     
     @GetMapping("/multi-tool")
     @Hidden
@@ -30,16 +32,6 @@ public class GeneralWebController {
         return "multi-tool";
     }
    
-    @GetMapping("/")
-    public String home(Model model) {
-        model.addAttribute("currentPage", "home");
-        return "home";
-    }
-
-    @GetMapping("/home")
-    public String root(Model model) {
-        return "redirect:/";
-    }
     
     @GetMapping("/remove-pages")
     @Hidden
@@ -76,20 +68,4 @@ public class GeneralWebController {
         return "sign";
     }
 
-    @GetMapping(value = "/robots.txt", produces = MediaType.TEXT_PLAIN_VALUE)
-    @ResponseBody
-    @Hidden
-    public String getRobotsTxt() {
-        String allowGoogleVisibility = System.getProperty("ALLOW_GOOGLE_VISIBILITY");
-        if (allowGoogleVisibility == null)
-            allowGoogleVisibility = System.getenv("ALLOW_GOOGLE_VISIBILITY");
-        if (allowGoogleVisibility == null)
-            allowGoogleVisibility = "false";
-        if (Boolean.parseBoolean(allowGoogleVisibility)) {
-            return "User-agent: Googlebot\nAllow: /\n\nUser-agent: *\nAllow: /";
-        } else {
-            return "User-agent: Googlebot\nDisallow: /\n\nUser-agent: *\nDisallow: /";
-        }
-    }
-    
 }

src/main/java/stirling/software/SPDF/controller/web/HomeWebController.java

@@ -0,0 +1,52 @@
+package stirling.software.SPDF.controller.web;
+
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import io.swagger.v3.oas.annotations.Hidden;
+
+@Controller
+public class HomeWebController {
+	 
+    @GetMapping("/about")
+    @Hidden
+    public String gameForm(Model model) {
+        model.addAttribute("currentPage", "about");
+        return "about";
+    }
+    
+   
+    
+    @GetMapping("/")
+    public String home(Model model) {
+        model.addAttribute("currentPage", "home");
+        return "home";
+    }
+
+    @GetMapping("/home")
+    public String root(Model model) {
+        return "redirect:/";
+    }
+    
+   
+
+    @GetMapping(value = "/robots.txt", produces = MediaType.TEXT_PLAIN_VALUE)
+    @ResponseBody
+    @Hidden
+    public String getRobotsTxt() {
+        String allowGoogleVisibility = System.getProperty("ALLOW_GOOGLE_VISIBILITY");
+        if (allowGoogleVisibility == null)
+            allowGoogleVisibility = System.getenv("ALLOW_GOOGLE_VISIBILITY");
+        if (allowGoogleVisibility == null)
+            allowGoogleVisibility = "false";
+        if (Boolean.parseBoolean(allowGoogleVisibility)) {
+            return "User-agent: Googlebot\nAllow: /\n\nUser-agent: *\nAllow: /";
+        } else {
+            return "User-agent: Googlebot\nDisallow: /\n\nUser-agent: *\nDisallow: /";
+        }
+    }
+    
+}

src/main/java/stirling/software/SPDF/controller/web/MetricsController.java

@@ -12,9 +12,12 @@ import io.micrometer.core.instrument.Counter;
 import io.micrometer.core.instrument.Meter;
 import io.micrometer.core.instrument.MeterRegistry;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 @RestController
 @RequestMapping("/api/v1")
+@Tag(name = "API", description = "Info APIs")
 public class MetricsController {
 
     private final MeterRegistry meterRegistry;
@@ -36,18 +39,32 @@ public class MetricsController {
     @GetMapping("/loads")
     @Operation(summary = "GET request count",
             description = "This endpoint returns the total count of GET requests or the count of GET requests for a specific endpoint.")
-    public Double getPageLoads(@RequestParam Optional<String> endpoint) {
+    public Double getPageLoads(@RequestParam(required = false,  name = "endpoint") @Parameter(description = "endpoint") Optional<String> endpoint) {
         try {
+
             double count = 0.0;
             
             for (Meter meter : meterRegistry.getMeters()) {
                 if (meter.getId().getName().equals("http.requests")) {
                     String method = meter.getId().getTag("method");
                     if (method != null && method.equals("GET")) {
+                    	
+                    	if (endpoint.isPresent() && !endpoint.get().isBlank()) {
+                    		if(!endpoint.get().startsWith("/")) {
+                    			endpoint =  Optional.of("/" + endpoint.get());
+                    		}
+                    		System.out.println("loads " + endpoint.get() +  " vs " + meter.getId().getTag("uri"));
+                    		if(endpoint.get().equals(meter.getId().getTag("uri"))){
                     			if (meter instanceof Counter) {
     	                            count += ((Counter) meter).count();
     	                        }
                     		}
+                    	} else {
+	                        if (meter instanceof Counter) {
+	                            count += ((Counter) meter).count();
+	                        }
+                    	}
+                    }
                 }
             }
 
@@ -60,10 +77,15 @@ public class MetricsController {
     @GetMapping("/requests")
     @Operation(summary = "POST request count",
             description = "This endpoint returns the total count of POST requests or the count of POST requests for a specific endpoint.")
-    public Double getTotalRequests(@RequestParam Optional<String> endpoint) {
+    public Double getTotalRequests(@RequestParam(required = false,  name = "endpoint") @Parameter(description = "endpoint") Optional<String> endpoint) {
         try {
             Counter counter;
-            if (endpoint.isPresent()) {
+            if (endpoint.isPresent() && !endpoint.get().isBlank()) {
+            	if(!endpoint.get().startsWith("/")) {
+        			endpoint =  Optional.of("/" + endpoint.get());
+        		}
+            	
+            	System.out.println("loads " + endpoint.get() +  " vs " + meterRegistry.get("http.requests").tags("uri", endpoint.get()).toString());
                 counter = meterRegistry.get("http.requests")
                     .tags("method", "POST", "uri", endpoint.get()).counter();
             } else {
@@ -72,7 +94,8 @@ public class MetricsController {
             }
             return counter.count();
         } catch (Exception e) {
-            return -1.0;
+        	e.printStackTrace();
+            return 0.0;
         }
         
     }

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

@@ -12,8 +12,10 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.servlet.ModelAndView;
 
 import io.swagger.v3.oas.annotations.Hidden;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 @Controller
+@Tag(name = "Other", description = "Other APIs")
 public class OtherWebController {
     @GetMapping("/compress-pdf")
     @Hidden

src/main/java/stirling/software/SPDF/controller/web/SecurityWebController.java

@@ -5,8 +5,10 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 
 import io.swagger.v3.oas.annotations.Hidden;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 @Controller
+@Tag(name = "Security", description = "Security APIs")
 public class SecurityWebController {
     @GetMapping("/add-password")
     @Hidden

src/main/java/stirling/software/SPDF/model/PipelineConfig.java

@@ -0,0 +1,51 @@
+package stirling.software.SPDF.model;
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class PipelineConfig {
+    private String name;
+
+    @JsonProperty("pipeline")
+    private List<PipelineOperation> operations;
+
+    private String outputDir;
+
+    @JsonProperty("outputFileName")
+    private String outputPattern;
+
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<PipelineOperation> getOperations() {
+        return operations;
+    }
+
+    public void setOperations(List<PipelineOperation> operations) {
+        this.operations = operations;
+    }
+
+    public String getOutputDir() {
+        return outputDir;
+    }
+
+    public void setOutputDir(String outputDir) {
+        this.outputDir = outputDir;
+    }
+
+    public String getOutputPattern() {
+        return outputPattern;
+    }
+
+    public void setOutputPattern(String outputPattern) {
+        this.outputPattern = outputPattern;
+    }
+
+   
+}

src/main/java/stirling/software/SPDF/model/PipelineOperation.java

@@ -0,0 +1,25 @@
+package stirling.software.SPDF.model;
+
+import java.util.Map;
+
+public class PipelineOperation {
+        private String operation;
+        private Map<String, Object> parameters;
+
+
+        public String getOperation() {
+            return operation;
+        }
+
+        public void setOperation(String operation) {
+            this.operation = operation;
+        }
+
+        public Map<String, Object> getParameters() {
+            return parameters;
+        }
+
+        public void setParameters(Map<String, Object> parameters) {
+            this.parameters = parameters;
+        }
+    }

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

@@ -27,14 +27,179 @@ import org.apache.pdfbox.pdmodel.graphics.image.LosslessFactory;
 import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
 import org.apache.pdfbox.rendering.ImageType;
 import org.apache.pdfbox.rendering.PDFRenderer;
+import org.apache.pdfbox.text.PDFTextStripper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.multipart.MultipartFile;
 
+import com.itextpdf.kernel.pdf.PdfPage;
+import com.itextpdf.kernel.pdf.canvas.parser.PdfTextExtractor;
+import com.itextpdf.kernel.pdf.canvas.parser.listener.SimpleTextExtractionStrategy;
+
+import stirling.software.SPDF.pdf.ImageFinder;
+
 public class PdfUtils {
 
     private static final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
 
+
+	public static PDRectangle textToPageSize(String size) {
+		switch (size) {
+		case "A0":
+			return PDRectangle.A0;
+		case "A1":
+			return PDRectangle.A1;
+		case "A2":
+			return PDRectangle.A2;
+		case "A3":
+			return PDRectangle.A3;
+		case "A4":
+			return PDRectangle.A4;
+		case "A5":
+			return PDRectangle.A5;
+		case "A6":
+			return PDRectangle.A6;
+		case "LETTER":
+			return PDRectangle.LETTER;
+		case "LEGAL":
+			return PDRectangle.LEGAL;
+		default:
+			throw new IllegalArgumentException("Invalid standard page size: " + size);
+		}
+	}
+
+    public boolean hasImageInFile(PDDocument pdfDocument, String text, String pagesToCheck) throws IOException {
+        PDFTextStripper textStripper = new PDFTextStripper();
+        String pdfText = "";
+
+        if(pagesToCheck == null || pagesToCheck.equals("all")) {
+            pdfText = textStripper.getText(pdfDocument);
+        } else {
+            // remove whitespaces
+            pagesToCheck = pagesToCheck.replaceAll("\\s+", "");
+
+            String[] splitPoints = pagesToCheck.split(",");
+            for (String splitPoint : splitPoints) {
+                if (splitPoint.contains("-")) {
+                    // Handle page ranges
+                    String[] range = splitPoint.split("-");
+                    int startPage = Integer.parseInt(range[0]);
+                    int endPage = Integer.parseInt(range[1]);
+
+                    for (int i = startPage; i <= endPage; i++) {
+                        textStripper.setStartPage(i);
+                        textStripper.setEndPage(i);
+                        pdfText += textStripper.getText(pdfDocument);
+                    }
+                } else {
+                    // Handle individual page
+                    int page = Integer.parseInt(splitPoint);
+                    textStripper.setStartPage(page);
+                    textStripper.setEndPage(page);
+                    pdfText += textStripper.getText(pdfDocument);
+                }
+            }
+        }
+
+        pdfDocument.close();
+
+        return pdfText.contains(text);
+    }
+    
+    public static boolean hasImagesOnPage(PDPage page) throws IOException {
+        ImageFinder imageFinder = new ImageFinder(page);
+        imageFinder.processPage(page);
+        return imageFinder.hasImages();
+    }
+    
+    
+    public static boolean hasText(PDDocument  document, String phrase) throws IOException {
+    	PDFTextStripper pdfStripper = new PDFTextStripper();
+        String text = pdfStripper.getText(document);
+        return text.contains(phrase);
+   }
+    
+    
+    public boolean containsTextInFile(PDDocument pdfDocument, String text, String pagesToCheck) throws IOException {
+        PDFTextStripper textStripper = new PDFTextStripper();
+        String pdfText = "";
+
+        if(pagesToCheck == null || pagesToCheck.equals("all")) {
+            pdfText = textStripper.getText(pdfDocument);
+        } else {
+            // remove whitespaces
+            pagesToCheck = pagesToCheck.replaceAll("\\s+", "");
+
+            String[] splitPoints = pagesToCheck.split(",");
+            for (String splitPoint : splitPoints) {
+                if (splitPoint.contains("-")) {
+                    // Handle page ranges
+                    String[] range = splitPoint.split("-");
+                    int startPage = Integer.parseInt(range[0]);
+                    int endPage = Integer.parseInt(range[1]);
+
+                    for (int i = startPage; i <= endPage; i++) {
+                        textStripper.setStartPage(i);
+                        textStripper.setEndPage(i);
+                        pdfText += textStripper.getText(pdfDocument);
+                    }
+                } else {
+                    // Handle individual page
+                    int page = Integer.parseInt(splitPoint);
+                    textStripper.setStartPage(page);
+                    textStripper.setEndPage(page);
+                    pdfText += textStripper.getText(pdfDocument);
+                }
+            }
+        }
+
+        pdfDocument.close();
+
+        return pdfText.contains(text);
+    }
+
+    
+    
+    
+    
+    public boolean pageCount(PDDocument pdfDocument, int pageCount, String comparator) throws IOException {
+        int actualPageCount = pdfDocument.getNumberOfPages();
+        pdfDocument.close();
+
+        switch(comparator.toLowerCase()) {
+            case "greater":
+                return actualPageCount > pageCount;
+            case "equal":
+                return actualPageCount == pageCount;
+            case "less":
+                return actualPageCount < pageCount;
+            default:
+                throw new IllegalArgumentException("Invalid comparator. Only 'greater', 'equal', and 'less' are supported.");
+        }
+    }
+
+    public boolean pageSize(PDDocument pdfDocument, String expectedPageSize) throws IOException {
+        PDPage firstPage = pdfDocument.getPage(0);
+        PDRectangle mediaBox = firstPage.getMediaBox();
+
+        float actualPageWidth = mediaBox.getWidth();
+        float actualPageHeight = mediaBox.getHeight();
+
+        pdfDocument.close();
+
+        // Assumes the expectedPageSize is in the format "widthxheight", e.g. "595x842" for A4
+        String[] dimensions = expectedPageSize.split("x");
+        float expectedPageWidth = Float.parseFloat(dimensions[0]);
+        float expectedPageHeight = Float.parseFloat(dimensions[1]);
+
+        // Checks if the actual page size matches the expected page size
+        return actualPageWidth == expectedPageWidth && actualPageHeight == expectedPageHeight;
+    }
+    
+    
+    
+    
+    
     public static byte[] convertFromPdf(byte[] inputStream, String imageType, ImageType colorType, boolean singleImage, int DPI, String filename) throws IOException, Exception {
         try (PDDocument document = PDDocument.load(new ByteArrayInputStream(inputStream))) {
             PDFRenderer pdfRenderer = new PDFRenderer(document);
@@ -43,7 +208,7 @@ public class PdfUtils {
 
             // Create images of all pages
             for (int i = 0; i < pageCount; i++) {
-                images.add(pdfRenderer.renderImageWithDPI(i, 300, colorType));
+                images.add(pdfRenderer.renderImageWithDPI(i, DPI, colorType));
             }
 
             if (singleImage) {

src/main/resources/application.properties

@@ -1,12 +1,12 @@
-spring.http.multipart.max-file-size=2GB
+spring.http.multipart.max-file-size=${MAX_FILE_SIZE:2000MB}
-spring.http.multipart.max-request-size=2GB
+spring.http.multipart.max-request-size=${MAX_FILE_SIZE:2000MB}
 
 multipart.enabled=true
-multipart.max-file-size=2000MB
+multipart.max-file-size=${MAX_FILE_SIZE:2000MB}
-multipart.max-request-size=2000MB
+multipart.max-request-size=${MAX_FILE_SIZE:2000MB}
 
-spring.servlet.multipart.max-file-size=2000MB
+spring.servlet.multipart.max-file-size=${MAX_FILE_SIZE:2000MB}
-spring.servlet.multipart.max-request-size=2000MB
+spring.servlet.multipart.max-request-size=${MAX_FILE_SIZE:2000MB}
 
 server.forward-headers-strategy=NATIVE
 

src/main/resources/messages_ar_AR.properties

@@ -24,7 +24,7 @@ close=\u0625\u063A\u0644\u0627\u0642
 filesSelected = الملفات المحددة
 noFavourites = لم تتم إضافة أي مفضلات
 bored = الانتظار بالملل؟
-
+alphabet=\u0627\u0644\u0623\u0628\u062C\u062F\u064A\u0629
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_ca_CA.properties

@@ -20,6 +20,7 @@ close=Tanca
 filesSelected=fitxers seleccionats
 noFavourites=No s'ha afegit cap favorit
 bored=Avorrit esperant?
+alphabet=Alfabet
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_de_DE.properties

@@ -20,6 +20,7 @@ close=Schließen
 filesSelected=Dateien ausgewählt
 noFavourites=Keine Favoriten hinzugefügt
 bored=Gelangweiltes Warten?
+alphabet=Alphabet
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_en_GB.properties

@@ -20,6 +20,7 @@ close=Close
 filesSelected=files selected
 noFavourites=No favourites added
 bored=Bored Waiting?
+alphabet=Alphabet
 #############
 # HOME-PAGE #
 #############
@@ -131,6 +132,9 @@ home.pageLayout.desc=Merge multiple pages of a PDF document into a single page
 home.scalePages.title=Adjust page size/scale
 home.scalePages.desc=Change the size/scale of a page and/or its contents.
 
+home.pipeline.title=Pipeline
+home.pipeline.desc=Pipeline desc.
+
 error.pdfPassword=The PDF Document is passworded and either the password was not provided or was incorrect
 
 downloadPdf=Download PDF
@@ -139,6 +143,8 @@ font=Font
 selectFillter=-- Select --
 pageNum=Page Number 
 
+pipeline.title=Pipeline
+
 pageLayout.title=Multi Page Layout
 pageLayout.header=Multi Page Layout
 pageLayout.pagesPerSheet=Pages per sheet:

src/main/resources/messages_es_ES.properties

@@ -20,6 +20,7 @@ close=Cerrar
 filesSelected=archivos seleccionados
 noFavourites=No se agregaron favoritos
 bored=¿Aburrido de esperar?
+alphabet=Alfabeto
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_eu_ES.properties

@@ -20,6 +20,7 @@ close=Itxi
 filesSelected=Hautatutako fitxategiak
 noFavourites=Ez dira gogokoak gehitu
 bored=Itxaroten aspertuta?
+alphabet=Alfabetoa
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_fr_FR.properties

@@ -24,6 +24,7 @@ close=Fermer
 filesSelected=fichiers sélectionnés
 noFavourites=Aucun favori ajouté
 bored=Ennuyé d'attendre ?
+alphabet=Alphabet
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_it_IT.properties

@@ -20,6 +20,7 @@ close=Chiudi
 filesSelected=file selezionati
 noFavourites=Nessun preferito
 bored=Stanco di aspettare?
+alphabet=Alfabeto
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_ja_JP.properties

@@ -19,7 +19,8 @@ save=保存
 close=閉じる
 filesSelected=選択されたファイル
 noFavourites=お気に入りはありません
-bored=待ち時間が退屈？
+bored=å¾…ã<EFBFBD>¡æ™‚é–“ã<EFBFBD>Œé€€å±ˆï¼
+alphabet=\u30A2\u30EB\u30D5\u30A1\u30D9\u30C3\u30C8Ÿ
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_ko_KR.properties

@@ -20,6 +20,7 @@ close=닫기
 filesSelected=개 파일 선택됨
 noFavourites=즐겨찾기 없음
 bored=기다리는 게 지루하신가요?
+alphabet=\uC54C\uD30C\uBCB3
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_pl_PL.properties

@@ -20,6 +20,7 @@ close=Zamknij
 filesSelected=wybrane pliki
 noFavourites=Nie dodano ulubionych
 bored=Znudzony czekaniem?
+alphabet=Alfabet
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_pt_BR.properties

@@ -20,6 +20,7 @@ close=Fechar
 filesSelected=arquivos selecionados
 noFavourites=Nenhum favorito adicionado
 bored=Entediado esperando?
+alphabet=Alfabeto
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_ro_RO.properties

@@ -20,6 +20,7 @@ close=Închide
 filesSelected=fișiere selectate
 noFavourites=Niciun favorit adăugat
 bored=Plictisit așteptând?
+alphabet=Alfabet
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_ru_RU.properties

@@ -20,6 +20,7 @@ close=Закрыть
 filesSelected=файлов выбрано
 noFavourites=Нет избранного
 bored=Скучно ждать?
+alphabet=\u0430\u043B\u0444\u0430\u0432\u0438\u0442
 #############
 # HOME-PAGE #
 #############

src/main/resources/messages_sv_SE.properties

@@ -20,6 +20,7 @@ close=Stäng
 filesSelected=filer valda
 noFavourites=Inga favoriter har lagts till
 bored=Utråkad att vänta?
+alphabet=Alfabet
 #############
 # HEMSIDA #
 #############

src/main/resources/messages_zh_CN.properties

@@ -20,6 +20,7 @@ close=关闭
 filesSelected=\u9009\u62E9\u7684\u6587\u4EF6
 noFavourites=\u6CA1\u6709\u6DFB\u52A0\u6536\u85CF\u5939
 bored=\u65E0\u804A\u7B49\u5F85\uFF1F
+alphabet=\u5B57\u6BCD\u8868
 #############
 # HOME-PAGE #
 #############

src/main/resources/static/images/pipeline.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-bezier2" viewBox="0 0 16 16">
+  <path fill-rule="evenodd" d="M1 2.5A1.5 1.5 0 0 1 2.5 1h1A1.5 1.5 0 0 1 5 2.5h4.134a1 1 0 1 1 0 1h-2.01c.18.18.34.381.484.605.638.992.892 2.354.892 3.895 0 1.993.257 3.092.713 3.7.356.476.895.721 1.787.784A1.5 1.5 0 0 1 12.5 11h1a1.5 1.5 0 0 1 1.5 1.5v1a1.5 1.5 0 0 1-1.5 1.5h-1a1.5 1.5 0 0 1-1.5-1.5H6.866a1 1 0 1 1 0-1h1.711a2.839 2.839 0 0 1-.165-.2C7.743 11.407 7.5 10.007 7.5 8c0-1.46-.246-2.597-.733-3.355-.39-.605-.952-1-1.767-1.112A1.5 1.5 0 0 1 3.5 5h-1A1.5 1.5 0 0 1 1 3.5v-1zM2.5 2a.5.5 0 0 0-.5.5v1a.5.5 0 0 0 .5.5h1a.5.5 0 0 0 .5-.5v-1a.5.5 0 0 0-.5-.5h-1zm10 10a.5.5 0 0 0-.5.5v1a.5.5 0 0 0 .5.5h1a.5.5 0 0 0 .5-.5v-1a.5.5 0 0 0-.5-.5h-1z"/>
+</svg>

src/main/resources/static/js/draggable-utils.js

@@ -218,7 +218,7 @@ const DraggableUtils = {
     },
     async getOverlayedPdfDocument() {
         const pdfBytes = await this.pdfDoc.getData();
-        const pdfDocModified = await PDFLib.PDFDocument.load(pdfBytes);
+        const pdfDocModified = await PDFLib.PDFDocument.load(pdfBytes, { ignoreEncryption: true });
         this.storePageContents();
 
         const pagesMap = this.documentsMap.get(this.pdfDoc);

src/main/resources/static/js/multitool/PdfContainer.js

@@ -152,7 +152,7 @@ class PdfContainer {
 
     async toPdfLib(objectUrl) {
         const existingPdfBytes = await fetch(objectUrl).then(res => res.arrayBuffer());
-        const pdfDoc = await PDFLib.PDFDocument.load(existingPdfBytes);
+        const pdfDoc = await PDFLib.PDFDocument.load(existingPdfBytes, { ignoreEncryption: true });
         return pdfDoc;
     }
 

src/main/resources/static/js/pipeline.js

@@ -0,0 +1,419 @@
+document.getElementById('validateButton').addEventListener('click', function(event) {
+	event.preventDefault();
+	validatePipeline();
+});
+function validatePipeline() {
+	let pipelineListItems = document.getElementById('pipelineList').children;
+	let isValid = true;
+	let containsAddPassword = false;
+	for (let i = 0; i < pipelineListItems.length - 1; i++) {
+		let currentOperation = pipelineListItems[i].querySelector('.operationName').textContent;
+		let nextOperation = pipelineListItems[i + 1].querySelector('.operationName').textContent;
+		if (currentOperation === '/add-password') {
+			containsAddPassword = true;
+		}
+		console.log(currentOperation);
+		console.log(apiDocs[currentOperation]);
+		let currentOperationDescription = apiDocs[currentOperation]?.post?.description || "";
+		let nextOperationDescription = apiDocs[nextOperation]?.post?.description || "";
+
+		console.log("currentOperationDescription", currentOperationDescription);
+		console.log("nextOperationDescription", nextOperationDescription);
+
+		let currentOperationOutput = currentOperationDescription.match(/Output:([A-Z\/]*)/)?.[1] || "";
+		let nextOperationInput = nextOperationDescription.match(/Input:([A-Z\/]*)/)?.[1] || "";
+
+		console.log("Operation " + currentOperation + " Output: " + currentOperationOutput);
+		console.log("Operation " + nextOperation + " Input: " + nextOperationInput);
+
+		// Splitting in case of multiple possible output/input
+		let currentOperationOutputArr = currentOperationOutput.split('/');
+		let nextOperationInputArr = nextOperationInput.split('/');
+
+		if (currentOperationOutput !== 'ANY' && nextOperationInput !== 'ANY') {
+			let intersection = currentOperationOutputArr.filter(value => nextOperationInputArr.includes(value));
+			console.log(`Intersection: ${intersection}`);
+
+			if (intersection.length === 0) {
+				isValid = false;
+				console.log(`Incompatible operations: The output of operation '${currentOperation}' (${currentOperationOutput}) is not compatible with the input of the following operation '${nextOperation}' (${nextOperationInput}).`);
+				alert(`Incompatible operations: The output of operation '${currentOperation}' (${currentOperationOutput}) is not compatible with the input of the following operation '${nextOperation}' (${nextOperationInput}).`);
+				break;
+			}
+		}
+	}
+	if (containsAddPassword && pipelineListItems[pipelineListItems.length - 1].querySelector('.operationName').textContent !== '/add-password') {
+		alert('The "add-password" operation should be at the end of the operations sequence. Please adjust the operations order.');
+		return false;
+	}
+	if (isValid) {
+		console.log('Pipeline is valid');
+		// Continue with the pipeline operation
+	} else {
+		console.error('Pipeline is not valid');
+		// Stop operation, maybe display an error to the user
+	}
+
+	return isValid;
+}
+
+
+
+
+
+document.getElementById('submitConfigBtn').addEventListener('click', function() {
+
+	if (validatePipeline() === false) {
+		return;
+	}
+	let selectedOperation = document.getElementById('operationsDropdown').value;
+	let parameters = operationSettings[selectedOperation] || {};
+
+	let pipelineConfig = {
+		"name": "uniquePipelineName",
+		"pipeline": [{
+			"operation": selectedOperation,
+			"parameters": parameters
+		}]
+	};
+
+	let pipelineConfigJson = JSON.stringify(pipelineConfig, null, 2);
+
+	let formData = new FormData();
+
+	let fileInput = document.getElementById('fileInput');
+	let files = fileInput.files;
+
+	for (let i = 0; i < files.length; i++) {
+		console.log("files[i]", files[i].name);
+		formData.append('fileInput', files[i], files[i].name);
+	}
+
+	console.log("pipelineConfigJson", pipelineConfigJson);
+	formData.append('json', pipelineConfigJson);
+	console.log("formData", formData);
+
+	fetch('/handleData', {
+		method: 'POST',
+		body: formData
+	})
+		.then(response => response.blob())
+		.then(blob => {
+
+			let url = window.URL.createObjectURL(blob);
+			let a = document.createElement('a');
+			a.href = url;
+			a.download = 'outputfile';
+			document.body.appendChild(a);
+			a.click();
+			a.remove();
+		})
+		.catch((error) => {
+			console.error('Error:', error);
+		});
+});
+
+let apiDocs = {};
+
+let operationSettings = {};
+
+fetch('v3/api-docs')
+	.then(response => response.json())
+	.then(data => {
+		
+		apiDocs = data.paths;
+		let operationsDropdown = document.getElementById('operationsDropdown');
+		const ignoreOperations = ["/handleData", "operationToIgnore"]; // Add the operations you want to ignore here
+				
+		operationsDropdown.innerHTML = '';
+
+		let operationsByTag = {};
+
+		// Group operations by tags
+		Object.keys(data.paths).forEach(operationPath => {
+			let operation = data.paths[operationPath].post;
+			if (operation && !ignoreOperations.includes(operationPath) && !operation.description.includes("Type:MISO")) {
+				let operationTag = operation.tags[0]; // This assumes each operation has exactly one tag
+				if (!operationsByTag[operationTag]) {
+					operationsByTag[operationTag] = [];
+				}
+				operationsByTag[operationTag].push(operationPath);
+			}
+		});
+
+		// Specify the order of tags
+        let tagOrder = ["General", "Security", "Convert", "Other", "Filter"];
+
+        // Create dropdown options
+        tagOrder.forEach(tag => {
+            if (operationsByTag[tag]) {
+                let group = document.createElement('optgroup');
+                group.label = tag;
+
+                operationsByTag[tag].forEach(operationPath => {
+                    let option = document.createElement('option');
+                    let operationWithoutSlash = operationPath.replace(/\//g, ''); // Remove slashes
+                    option.textContent = operationWithoutSlash;
+                    option.value = operationPath; // Keep the value with slashes for querying
+                    group.appendChild(option);
+                });
+
+                operationsDropdown.appendChild(group);
+            }
+        });
+	});
+
+
+document.getElementById('addOperationBtn').addEventListener('click', function() {
+	let selectedOperation = document.getElementById('operationsDropdown').value;
+	let pipelineList = document.getElementById('pipelineList');
+
+	let listItem = document.createElement('li');
+	listItem.className = "list-group-item";
+	let hasSettings = (apiDocs[selectedOperation] && apiDocs[selectedOperation].post &&
+	apiDocs[selectedOperation].post.parameters && apiDocs[selectedOperation].post.parameters.length > 0);
+
+
+	listItem.innerHTML = `
+		<div class="d-flex justify-content-between align-items-center w-100">
+			<div class="operationName">${selectedOperation}</div>
+			<div class="arrows d-flex">
+				<button class="btn btn-secondary move-up btn-margin"><span>&uarr;</span></button>
+				<button class="btn btn-secondary move-down btn-margin"><span>&darr;</span></button>
+				<button class="btn btn-warning pipelineSettings btn-margin" ${hasSettings ? "" : "disabled"}><span style="color: ${hasSettings ? "black" : "grey"};">⚙️</span></button>
+				<button class="btn btn-danger remove"><span>X</span></button>
+			</div>
+		</div>
+	`;
+
+	pipelineList.appendChild(listItem);
+
+	listItem.querySelector('.move-up').addEventListener('click', function(event) {
+		event.preventDefault();
+		if (listItem.previousElementSibling) {
+			pipelineList.insertBefore(listItem, listItem.previousElementSibling);
+		}
+	});
+
+	listItem.querySelector('.move-down').addEventListener('click', function(event) {
+		event.preventDefault();
+		if (listItem.nextElementSibling) {
+			pipelineList.insertBefore(listItem.nextElementSibling, listItem);
+		}
+	});
+
+	listItem.querySelector('.remove').addEventListener('click', function(event) {
+		event.preventDefault();
+		pipelineList.removeChild(listItem);
+	});
+
+	listItem.querySelector('.pipelineSettings').addEventListener('click', function(event) {
+		event.preventDefault();
+		showpipelineSettingsModal(selectedOperation);
+	});
+
+	function showpipelineSettingsModal(operation) {
+		let pipelineSettingsModal = document.getElementById('pipelineSettingsModal');
+		let pipelineSettingsContent = document.getElementById('pipelineSettingsContent');
+		let operationData = apiDocs[operation].post.parameters || [];
+
+		pipelineSettingsContent.innerHTML = '';
+
+		operationData.forEach(parameter => {
+			let parameterDiv = document.createElement('div');
+			parameterDiv.className = "form-group";
+
+			let parameterLabel = document.createElement('label');
+			parameterLabel.textContent = `${parameter.name} (${parameter.schema.type}): `;
+			parameterLabel.title = parameter.description;
+			parameterDiv.appendChild(parameterLabel);
+
+			let parameterInput;
+			switch (parameter.schema.type) {
+				case 'string':
+				case 'number':
+				case 'integer':
+					parameterInput = document.createElement('input');
+					parameterInput.type = parameter.schema.type === 'string' ? 'text' : 'number';
+					parameterInput.className = "form-control";
+					break;
+				case 'boolean':
+					parameterInput = document.createElement('input');
+					parameterInput.type = 'checkbox';
+					break;
+				case 'array':
+				case 'object':
+					parameterInput = document.createElement('textarea');
+					parameterInput.placeholder = `Enter a JSON formatted ${parameter.schema.type}`;
+					parameterInput.className = "form-control";
+					break;
+				case 'enum':
+					parameterInput = document.createElement('select');
+					parameterInput.className = "form-control";
+					parameter.schema.enum.forEach(option => {
+						let optionElement = document.createElement('option');
+						optionElement.value = option;
+						optionElement.text = option;
+						parameterInput.appendChild(optionElement);
+					});
+					break;
+				default:
+					parameterInput = document.createElement('input');
+					parameterInput.type = 'text';
+					parameterInput.className = "form-control";
+			}
+			parameterInput.id = parameter.name;
+
+			if (operationSettings[operation] && operationSettings[operation][parameter.name] !== undefined) {
+				let savedValue = operationSettings[operation][parameter.name];
+
+				switch (parameter.schema.type) {
+					case 'number':
+					case 'integer':
+						parameterInput.value = savedValue.toString();
+						break;
+					case 'boolean':
+						parameterInput.checked = savedValue;
+						break;
+					case 'array':
+					case 'object':
+						parameterInput.value = JSON.stringify(savedValue);
+						break;
+					default:
+						parameterInput.value = savedValue;
+				}
+			}
+
+			parameterDiv.appendChild(parameterInput);
+
+			pipelineSettingsContent.appendChild(parameterDiv);
+		});
+
+		let saveButton = document.createElement('button');
+		saveButton.textContent = "Save Settings";
+		saveButton.className = "btn btn-primary";
+		saveButton.addEventListener('click', function(event) {
+			event.preventDefault();
+			let settings = {};
+			operationData.forEach(parameter => {
+				let value = document.getElementById(parameter.name).value;
+				switch (parameter.schema.type) {
+					case 'number':
+					case 'integer':
+						settings[parameter.name] = Number(value);
+						break;
+					case 'boolean':
+						settings[parameter.name] = document.getElementById(parameter.name).checked;
+						break;
+					case 'array':
+					case 'object':
+						try {
+							settings[parameter.name] = JSON.parse(value);
+						} catch (err) {
+							console.error(`Invalid JSON format for ${parameter.name}`);
+						}
+						break;
+					default:
+						settings[parameter.name] = value;
+				}
+			});
+			operationSettings[operation] = settings;
+			console.log(settings);
+			pipelineSettingsModal.style.display = "none";
+		});
+		pipelineSettingsContent.appendChild(saveButton);
+
+		pipelineSettingsModal.style.display = "block";
+
+		pipelineSettingsModal.getElementsByClassName("close")[0].onclick = function() {
+			pipelineSettingsModal.style.display = "none";
+		}
+
+		window.onclick = function(event) {
+			if (event.target == pipelineSettingsModal) {
+				pipelineSettingsModal.style.display = "none";
+			}
+		}
+	}
+
+	document.getElementById('savePipelineBtn').addEventListener('click', function() {
+		if (validatePipeline() === false) {
+			return;
+		}
+		let pipelineList = document.getElementById('pipelineList').children;
+		let pipelineConfig = {
+			"name": "uniquePipelineName",
+			"pipeline": []
+		};
+
+		for (let i = 0; i < pipelineList.length; i++) {
+			let operationName = pipelineList[i].querySelector('.operationName').textContent;
+			let parameters = operationSettings[operationName] || {};
+
+			pipelineConfig.pipeline.push({
+				"operation": operationName,
+				"parameters": parameters
+			});
+		}
+
+		let a = document.createElement('a');
+		a.href = URL.createObjectURL(new Blob([JSON.stringify(pipelineConfig, null, 2)], {
+			type: 'application/json'
+		}));
+		a.download = 'pipelineConfig.json';
+		a.style.display = 'none';
+
+		document.body.appendChild(a);
+		a.click();
+		document.body.removeChild(a);
+	});
+
+	document.getElementById('uploadPipelineBtn').addEventListener('click', function() {
+		document.getElementById('uploadPipelineInput').click();
+	});
+
+	document.getElementById('uploadPipelineInput').addEventListener('change', function(e) {
+		let reader = new FileReader();
+		reader.onload = function(event) {
+			let pipelineConfig = JSON.parse(event.target.result);
+			let pipelineList = document.getElementById('pipelineList');
+
+			while (pipelineList.firstChild) {
+				pipelineList.removeChild(pipelineList.firstChild);
+			}
+
+			pipelineConfig.pipeline.forEach(operationConfig => {
+				let operationsDropdown = document.getElementById('operationsDropdown');
+				operationsDropdown.value = operationConfig.operation;
+				operationSettings[operationConfig.operation] = operationConfig.parameters;
+				document.getElementById('addOperationBtn').click();
+
+				let lastOperation = pipelineList.lastChild;
+
+				lastOperation.querySelector('.pipelineSettings').click();
+
+				Object.keys(operationConfig.parameters).forEach(parameterName => {
+					let input = document.getElementById(parameterName);
+					if (input) {
+						switch (input.type) {
+							case 'checkbox':
+								input.checked = operationConfig.parameters[parameterName];
+								break;
+							case 'number':
+								input.value = operationConfig.parameters[parameterName].toString();
+								break;
+							case 'text':
+							case 'textarea':
+							default:
+								input.value = JSON.stringify(operationConfig.parameters[parameterName]);
+						}
+					}
+				});
+
+				document.querySelector('#pipelineSettingsModal .btn-primary').click();
+			});
+		};
+		reader.readAsText(e.target.files[0]);
+	});
+
+});

src/main/resources/templates/fragments/navbar.html

@@ -32,6 +32,13 @@
                             <span class="icon-text"  th:text="#{home.multiTool.title}"></span>
                         </a>
                     </li>
+                    <!--<li class="nav-item">
+                        <a class="nav-link" href="#" th:href="@{pipeline}" th:classappend="${currentPage}=='pipeline' ? 'active' : ''" th:title="#{home.pipeline.desc}">
+                            <img class="icon" src="images/pipeline.svg" alt="icon">
+                            <span class="icon-text"  th:text="#{home.pipeline.title}"></span>
+                        </a>
+                    </li>-->
+                    
 <li class="nav-item nav-item-separator"></li>
                     <li class="nav-item dropdown" th:classappend="${currentPage}=='remove-pages' OR ${currentPage}=='merge-pdfs' OR ${currentPage}=='split-pdfs' OR ${currentPage}=='pdf-organizer' OR ${currentPage}=='rotate-pdf' ? 'active' : ''">
     <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">

src/main/resources/templates/home.html

@@ -22,6 +22,7 @@
             <!-- Features -->
             <div class="features-container container">
             
+                <!--  <div th:replace="~{fragments/card :: card(id='pipeline', cardTitle=#{home.pipeline.title}, cardText=#{home.pipeline.desc}, cardLink='pipeline', svgPath='images/pipeline.svg')}"></div>-->
                 
                 <div th:replace="~{fragments/card :: card(id='multi-tool', cardTitle=#{home.multiTool.title}, cardText=#{home.multiTool.desc}, cardLink='multi-tool', svgPath='images/tools.svg')}"></div>
                 <div th:replace="~{fragments/card :: card(id='merge-pdfs', cardTitle=#{home.merge.title}, cardText=#{home.merge.desc}, cardLink='merge-pdfs', svgPath='images/union.svg')}"></div>

src/main/resources/templates/other/flatten.html

@@ -29,7 +29,7 @@
             const processFile = async (file) => {
                 const origFileUrl = URL.createObjectURL(file);
                 const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer());
-                const pdfDoc = await PDFDocument.load(formPdfBytes);
+                const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true });
 
                 const form = pdfDoc.getForm();
                 form.flatten();

src/main/resources/templates/pipeline.html

@@ -0,0 +1,111 @@
+<!DOCTYPE html>
+<html th:lang="${#locale.toString()}"
+	th:lang-direction="#{language.direction}"
+	xmlns:th="http://www.thymeleaf.org">
+
+<th:block th:insert="~{fragments/common :: head(title=#{pipeline.title})}"></th:block>
+<body>
+	<div id="page-container">
+		<div id="content-wrap">
+			<div th:insert="~{fragments/navbar.html :: navbar}"></div>
+			<br> <br>
+			<div class="container" id="dropContainer">
+				<div class="row justify-content-center">
+					<div class="col-md-6">
+
+						<div class="mb-3">
+							<button id="savePipelineBtn" class="btn btn-success">Download</button>
+
+							<button id="validateButton" class="btn btn-success">Validate</button>
+							<div class="btn-group">
+								<button id="uploadPipelineBtn" class="btn btn-primary">Upload</button>
+								<input type="file" id="uploadPipelineInput" accept=".json"
+									style="display: none;">
+							</div>
+						</div>
+
+						<div id="pipelineContainer" class="card">
+
+							<!-- Pipeline Configuration Card Header -->
+							<div class="card-header">
+								<h2 class="card-title">Pipeline Configuration</h2>
+							</div>
+
+							<!-- Pipeline Configuration Body -->
+							<div class="card-body">
+								<div class="mb-3">
+									<select id="operationsDropdown" class="form-select">
+										<!-- Options will be dynamically populated here -->
+									</select>
+								</div>
+								<div class="mb-3">
+									<button id="addOperationBtn" class="btn btn-primary">Add operation</button>
+								</div>
+								<h3>Pipeline:</h3>
+								<ol id="pipelineList" class="list-group">
+									<!-- Pipeline operations will be dynamically populated here -->
+								</ol>
+							</div>
+
+							<input type="file" id="fileInput" multiple>
+
+							<button class="btn btn-primary" id="submitConfigBtn">Submit</button>
+
+
+						</div>
+
+						<!-- pipelineSettings modal -->
+						<div id="pipelineSettingsModal" class="modal">
+							<div class="modal-content">
+								<div class="modal-body">
+									<span class="close">&times;</span>
+									<h2>Operation Settings</h2>
+									<div id="pipelineSettingsContent">
+										<!-- pipelineSettings will be dynamically populated here -->
+									</div>
+								</div>
+							</div>
+							<script src="js/pipeline.js"></script>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+		<style>
+.modal {
+	display: none; /* Hidden by default */
+	position: fixed; /* Stay in place */
+	z-index: 1; /* Sit on top */
+	padding-top: 100px; /* Location of the box */
+	left: 0;
+	top: 0;
+	width: 100%; /* Full width */
+	height: 100%; /* Full height */
+	overflow: auto; /* Enable scroll if needed */
+	background-color: rgb(0, 0, 0); /* Fallback color */
+	background-color: rgba(0, 0, 0, 0.4); /* Black w/ opacity */
+}
+
+/* Modal Content */
+.modal-content {
+	background-color: #fefefe;
+	margin: auto;
+	padding: 20px;
+	border: 1px solid #888;
+	width: 50%;
+}
+
+.btn-margin {
+	margin-right: 2px;
+}
+
+.modal-body {
+	display: flex;
+	flex-direction: column;
+}
+</style>
+		<div th:insert="~{fragments/footer.html :: footer}"></div>
+	</div>
+
+</body>
+</html>

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

@@ -18,6 +18,17 @@
                                 <label th:text="#{watermark.selectText.1}"></label>
                                 <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
                             </div>
+
+                            <div class="form-group">
+	                            <label for="fontSize" th:text="#{alphabet} + ':'"></label> 
+	                            <select class="form-control" name="alphabet" id="alphabet-select">
+	                                <option value="romain">Roman</option>
+	                                <option value="arabic">العربية</option>
+	                                <option value="japanese">日本語</option>
+	                                <option value="korean">한국어</option>
+	                                <option value="chinese">简体中文</option>
+	                            </select>
+                            </div>
                             <div class="form-group">
                                 <label for="watermarkText" th:text="#{watermark.selectText.2}"></label> 
                                 <input type="text" id="watermarkText" name="watermarkText" class="form-control" placeholder="Stirling-PDF" required />