init metadata

src/main/java/stirling/software/SPDF/controller/security/MetadataController.java

@@ -0,0 +1,62 @@
+package stirling.software.SPDF.controller.security;
+
+import java.awt.Color;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDDocumentInformation;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDPageContentStream;
+import org.apache.pdfbox.pdmodel.common.PDMetadata;
+import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType1Font;
+import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
+import org.apache.pdfbox.util.Matrix;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.multipart.MultipartFile;
+
+import stirling.software.SPDF.utils.PdfUtils;
+
+@Controller
+public class MetadataController {
+
+	@GetMapping("/remove-metadata")
+	public String addWatermarkForm(Model model) {
+		model.addAttribute("currentPage", "remove-metadata");
+		return "security/remove-metadata";
+	}
+
+	@PostMapping("/update-metadata")
+	public ResponseEntity<byte[]> addWatermark(@RequestParam("pdfFile") MultipartFile pdfFile,
+			@RequestParam("author") String author) throws IOException {
+	  // Load the PDF file
+	  PDDocument document = PDDocument.load(pdfFile.getBytes());
+
+	  
+	  // Remove all metadata based on flag
+	  PDDocumentInformation info = document.getDocumentInformation();
+	  for (String key : info.getMetadataKeys()) {
+	    info.setCustomMetadataValue(key, null);
+	  }
+
+	  
+	
+
+	  return PdfUtils.pdfDocToWebResponse(document, pdfFile.getName() + "_metadata.pdf");
+	}
+
+	
+//	  // Loop over all pages and remove annotations
+//	  for (PDPage page : document.getPages()) {
+//	    page.getAnnotations().clear();
+//	  }
+}

src/main/resources/messages.properties

@@ -0,0 +1,209 @@
+###########
+# Generic #
+###########
+pdfPrompt=Choose PDF
+multiPdfPrompt=Choose PDFs (2+)
+multiPdfDropPrompt=Select (or drag & drop) all PDFs you require
+imgPrompt=Choose Image
+genericSubmit=Submit
+processTimeWarning=Warning: This process can take up to a minute depending on file-size
+pageOrderPrompt=Page Order (Enter a comma-separated list of page numbers) :
+goToPage=go
+#############
+# HOME-PAGE #
+#############
+home.desc=Your locally hosted one-stop-shop for all your PDF needs.
+
+navbar.convert=Convert
+navbar.security=Security
+navbar.other=Other
+navbar.darkmode=Dark Mode
+
+home.merge.title=Merge PDFs
+home.merge.desc=Easily merge multiple PDFs into one.
+
+home.split.title=Split PDFs
+home.split.desc=Split PDFs into multiple documents
+
+home.rotate.title=Rotate PDFs
+home.rotate.desc=Easily rotate your PDFs.
+
+home.imageToPdf.title=Image to PDF
+home.imageToPdf.desc=Convert a images (PNG, JPEG, GIF) to PDF.
+
+home.pdfToImage.title=PDF to Image
+home.pdfToImage.desc=Convert a PDF to a image. (PNG, JPEG, GIF)
+
+home.pdfOrganiser.title=PDF Organizer
+home.pdfOrganiser.desc=Remove/Rearrange pages in any order
+
+home.addImage.title=Add image onto PDF
+home.addImage.desc=Adds a image onto a set location on the PDF (Work in progress)
+
+home.watermark.title=Add Watermark
+home.watermark.desc=Add a custom watermark to your PDF document.
+
+home.permissions.title=Change Permissions
+home.permissions.desc=Change the permissions of your PDF document
+
+home.removePages.title=Remove Pages
+home.removePages.desc=Delete unwanted pages from your PDF document.
+
+home.addPassword.title=Add Password
+home.addPassword.desc=Encrypt your PDF document with a password.
+
+home.removePassword.title=Remove Password
+home.removePassword.desc=Remove password protection from your PDF document.
+
+home.compressPdfs.title=Compress PDFs
+home.compressPdfs.desc=Compress PDFs to reduce their file size.
+
+
+
+#Add image
+addImage.title=Add Image
+addImage.header=Add image to PDF (Work in progress)
+addImage.submit=Add image
+
+#compress
+compress.title=Compress
+compress.header=Compress PDF
+compress.compressLevel=Value between 1 and 100 (1 being most reduced)
+compress.submit=Compress
+
+
+#merge
+merge.title=Merge
+merge.header=Merge multiple PDFs (2+)
+merge.submit=Merge
+
+#pdfOrganiser
+pdfOrganiser.title=Page Organizer
+pdfOrganiser.header=PDF Page Organizer
+pdfOrganiser.submit=Rearrange Pages
+
+
+#pageRemover
+pageRemover.title=Page Remover
+pageRemover.header=PDF Page remover
+pageRemover.pagesToDelete=Pages to delete (Enter a comma-separated list of page numbers) :
+pageRemover.submit=Delete Pages
+
+#rotate
+rotate.title=Rotate PDF
+rotate.header=Rotate PDF
+rotate.selectAngle=Select rotation angle (in multiples of 90 degrees):
+rotate.submit=Rotate
+
+
+
+
+#merge
+split.title=Split PDF
+split.header=Split PDF
+split.desc.1=The numbers you select are the page number you wish to do a split on
+split.desc.2=As such selecting 1,3,7-8 would split a 10 page document into 6 separate PDFS with:
+split.desc.3=Document #1: Page 1
+split.desc.4=Document #2: Page 2 and 3
+split.desc.5=Document #3: Page 4, 5 and 6
+split.desc.6=Document #4: Page 7
+split.desc.7=Document #5: Page 8
+split.desc.8=Document #6: Page 9 and 10
+split.splitPages=Enter pages to split on:
+split.submit=Split
+
+
+#merge
+imageToPDF.title=Image to PDF
+imageToPDF.header=Image to PDF
+imageToPDF.submit=Convert
+
+#pdfToImage
+pdfToImage.title=PDF to Image
+pdfToImage.header=PDF to Image
+pdfToImage.selectText=Image Format
+pdfToImage.submit=Convert
+
+#addPassword
+addPassword.title=Add Password
+addPassword.header=Add password (Encrypt)
+addPassword.selectText.1=Select PDF to encrypt
+addPassword.selectText.2=Password
+addPassword.selectText.3=Encryption Key Length
+addPassword.selectText.4=Higher values are stronger, but lower values have better compatibility.
+addPassword.selectText.5=Permissions to set
+addPassword.selectText.6=Prevent assembly of document
+addPassword.selectText.7=Prevent content extraction
+addPassword.selectText.8=Prevent extraction for accessibility
+addPassword.selectText.9=Prevent filling in form
+addPassword.selectText.10=Prevent modification
+addPassword.selectText.11=Prevent annotation modification
+addPassword.selectText.12=Prevent printing
+addPassword.selectText.13=Prevent printing different formats
+addPassword.submit=Encrypt
+
+#watermark
+watermark.title=Add Watermark
+watermark.header=Add Watermark
+watermark.selectText.1=Select PDF to add watermark to:
+watermark.selectText.2=Watermark Text:
+watermark.selectText.3=Font Size:
+watermark.selectText.4=Rotation (0-360):
+watermark.selectText.5=widthSpacer (Space between each watermark horizontally):
+watermark.selectText.6=heightSpacer (Space between each watermark vertically):
+watermark.submit=Add Watermark
+
+
+#Change permissions
+permissions.title=Change Permissions
+permissions.header=Change Permissions
+permissions.warning=Warning to have these permissions be unchangeable it is recommended to set them with a password via the add-password page
+permissions.selectText.1=Select PDF to change permissions
+permissions.selectText.2=Permissions to set
+permissions.selectText.3=Prevent assembly of document
+permissions.selectText.4=Prevent content extraction
+permissions.selectText.5=Prevent extraction for accessibility
+permissions.selectText.6=Prevent filling in form
+permissions.selectText.7=Prevent modification
+permissions.selectText.8=Prevent annotation modification
+permissions.selectText.9=Prevent printing
+permissions.selectText.10=Prevent printing different formats
+permissions.submit=Change
+
+#remove password
+removePassword.title=Remove password
+removePassword.header=Remove password (Decrypt)
+removePassword.selectText.1=Select PDF to Decrypt
+removePassword.selectText.2=Password
+removePassword.submit=Remove
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

src/main/resources/messages_en_GB.properties

@@ -58,6 +58,8 @@ home.removePassword.desc=Remove password protection from your PDF document.
 home.compressPdfs.title=Compress PDFs
 home.compressPdfs.desc=Compress PDFs to reduce their file size.
 
+home.removeMetadata.title=Remove Metadata
+home.removeMetadata.desc=Remove unwanted metadata from a PDF document
 
 
 #Add image
@@ -177,9 +179,14 @@ removePassword.selectText.1=Select PDF to Decrypt
 removePassword.selectText.2=Password
 removePassword.submit=Remove
 
-
+removeMetadata.title=Remove Metadata
-
+removeMetadata.header=Remove Metadata
-
+removeMetadata.selectText.1=Select PDF to remove metadata from
+removeMetadata.selectText.2=Remove document information
+removeMetadata.selectText.3=Remove page labels
+removeMetadata.selectText.4=Remove XMP Metadata
+removeMetadata.selectText.5=Remove annotations
+removeMetadata.submit=remove data
 
 
 

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

@@ -43,6 +43,7 @@
 						<a class="dropdown-item" href="#" th:href="@{remove-password}" th:classappend="${currentPage}=='remove-password' ? 'active' : ''" th:text="#{home.removePassword.title}"></a>
 						<a class="dropdown-item" href="#" th:href="@{change-permissions}" th:classappend="${currentPage}=='change-permissions' ? 'active' : ''" th:text="#{home.permissions.title}"></a>
 						<a class="dropdown-item" href="#" th:href="@{add-watermark}" th:classappend="${currentPage}=='add-watermark' ? 'active' : ''"  th:text="#{home.watermark.title}"></a>
+						<a class="dropdown-item" href="#" th:href="@{remove-metadata}" th:classappend="${currentPage}=='remove-metadata' ? 'active' : ''"  th:text="#{home.removeMetadata.title}"></a>
 					</div>
 				</li>	
 				

src/main/resources/templates/home.html

@@ -56,7 +56,7 @@
 				<div th:replace="~{fragments/card :: card(cardTitle=#{home.removePassword.title}, cardText=#{home.removePassword.desc}, cardLink='remove-password')}"></div>
 
 				<div th:replace="~{fragments/card :: card(cardTitle=#{home.compressPdfs.title}, cardText=#{home.compressPdfs.desc}, cardLink='compress-pdf')}"></div>
-
+				<div th:replace="~{fragments/card :: card(cardTitle=#{home.removeMetadata.title}, cardText=#{home.removeMetadata.desc}, cardLink='remove-metadata')}"></div>
 			</div>
 		</div>
 		<div th:insert="~{fragments/footer.html :: footer}"></div>

src/main/resources/templates/security/remove-metadata.html

@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+
+<th:block th:insert="~{fragments/common :: head(title=#{removeMetadata.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">
+		<div class="row justify-content-center">
+			<div class="col-md-6">
+				<h2 th:text="#{removeMetadata.header}"></h2>
+
+				<form method="post" enctype="multipart/form-data" th:action="@{/update-metadata}">
+  <div class="form-group">
+    <label for="pdfFile">PDF File:</label>
+    <input type="file" id="pdfFile" name="pdfFile"/>
+  </div>
+  <p>Please select the variables you wish to change</p>
+  <div class="form-group">
+    <label for="author">Author:</label>
+    <input type="checkbox" id="changeAuthor">
+    <input type="text" id="author" disabled>
+</div>
+
+<div class="form-group">
+    <label for="creationDate">Creation Date:</label>
+    <input type="checkbox" id="changeCreationDate">
+    <input type="text" id="creationDate" disabled>
+</div>
+
+<div class="form-group">
+    <label for="creator">Creator:</label>
+    <input type="checkbox" id="changeCreator">
+    <input type="text" id="creator" disabled>
+</div>
+
+<div class="form-group">
+    <label for="keywords">Keywords:</label>
+    <input type="checkbox" id="changeKeywords">
+    <input type="text" id="keywords" disabled>
+</div>
+
+<div class="form-group">
+    <label for="modificationDate">Modification Date:</label>
+    <input type="checkbox" id="changeModificationDate">
+    <input type="text" id="modificationDate" disabled>
+</div>
+
+<div class="form-group">
+    <label for="producer">Producer:</label>
+    <input type="checkbox" id="changeProducer">
+    <input type="text" id="producer" disabled>
+</div>
+
+<div class="form-group">
+    <label for="subject">Subject:</label>
+    <input type="checkbox" id="changeSubject">
+    <input type="text" id="subject" disabled>
+</div>
+
+<div class="form-group">
+    <label for="title">Title:</label>
+    <input type="checkbox" id="changeTitle">
+    <input type="text" id="title" disabled>
+</div>
+
+<div class="form-group">
+    <label for="trapped">Trapped:</label>
+    <input type="checkbox" id="changeTrapped">
+    <input type="text" id="trapped" disabled>
+</div>
+  <script>
+  const formGroups = document.querySelectorAll(".form-group");
+
+  formGroups.forEach(formGroup => {
+    const checkbox = formGroup.querySelector("input[type='checkbox']");
+    const textbox = formGroup.querySelector("input[type='text']");
+	if(checkbox)
+	    checkbox.addEventListener("change", function() {
+	      textbox.disabled = !checkbox.checked;
+	    });
+  });
+  const pdfFileInput = document.querySelector("#pdfFile");
+  const authorInput = document.querySelector("#author");
+  const creationDateInput = document.querySelector("#creationDate");
+  const creatorInput = document.querySelector("#creator");
+  const keywordsInput = document.querySelector("#keywords");
+  const modificationDateInput = document.querySelector("#modificationDate");
+  const producerInput = document.querySelector("#producer");
+  const subjectInput = document.querySelector("#subject");
+  const titleInput = document.querySelector("#title");
+  const trappedInput = document.querySelector("#trapped");
+
+  pdfFileInput.addEventListener("change", async function() {
+    const file = this.files[0];
+    const pdf = await pdfjsLib.getDocument(file).promise;
+    const pdfMetadata = pdf.pdfInfo.metadata;
+    authorInput.value = pdfMetadata.Author;
+    creationDateInput.value = pdfMetadata.CreationDate;
+    creatorInput.value = pdfMetadata.Creator;
+    keywordsInput.value = pdfMetadata.Keywords;
+    modificationDateInput.value = pdfMetadata.ModDate;
+    producerInput.value = pdfMetadata.Producer;
+    subjectInput.value = pdfMetadata.Subject;
+    titleInput.value = pdfMetadata.Title;
+    trappedInput.value = pdfMetadata.Trapped;
+  });
+</script>
+  </form>
+  
+			</div>
+		</div>
+	</div>
+	</div>
+		<div th:insert="~{fragments/footer.html :: footer}"></div>
+	</div>
+</body>
+</html>