Mirrors/Stirling-PDF
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itext removal fixes

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This commit is contained in:
Anthony Stirling 2023-09-02 19:12:08 +01:00
parent a7cd6bfd2e
commit 862086eae5
4 changed files with 91 additions and 61 deletions
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66
src/main/java/stirling/software/SPDF/controller/api/ToSinglePageController.java
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@ -1,12 +1,15 @@
package stirling.software.SPDF.controller.api; package stirling.software.SPDF.controller.api;
import java.awt.geom.AffineTransform; import java.awt.geom.AffineTransform;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream; import java.io.ByteArrayOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream;
import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDRectangle; import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.common.PDStream;
import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject; import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject; import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
import org.slf4j.Logger; import org.slf4j.Logger;
@ -49,37 +52,50 @@ public class ToSinglePageController {
@Parameter(description = "The input multi-page PDF file to be converted into a single page", required = true) @Parameter(description = "The input multi-page PDF file to be converted into a single page", required = true)
MultipartFile file) throws IOException { MultipartFile file) throws IOException {
// Load the source document
PDDocument sourceDocument = PDDocument.load(file.getInputStream()); PDDocument sourceDocument = PDDocument.load(file.getInputStream());
float totalHeight = 0;
float width = 0;
for (PDPage page : sourceDocument.getPages()) { // Calculate total height and max width
PDRectangle pageSize = page.getMediaBox(); float totalHeight = 0;
totalHeight += pageSize.getHeight(); float maxWidth = 0;
if(width < pageSize.getWidth()) for (PDPage page : sourceDocument.getPages()) {
width = pageSize.getWidth(); PDRectangle pageSize = page.getMediaBox();
} totalHeight += pageSize.getHeight();
maxWidth = Math.max(maxWidth, pageSize.getWidth());
}
PDDocument newDocument = new PDDocument(); // Create new document and page with calculated dimensions
PDPage newPage = new PDPage(new PDRectangle(width, totalHeight)); PDDocument newDocument = new PDDocument();
newDocument.addPage(newPage); PDPage newPage = new PDPage(new PDRectangle(maxWidth, totalHeight));
newDocument.addPage(newPage);
LayerUtility layerUtility = new LayerUtility(newDocument); // Initialize the content stream of the new page
float yOffset = totalHeight; PDPageContentStream contentStream = new PDPageContentStream(newDocument, newPage);
contentStream.close();
LayerUtility layerUtility = new LayerUtility(newDocument);
float yOffset = totalHeight;
for (PDPage page : sourceDocument.getPages()) { // For each page, copy its content to the new page at the correct offset
PDFormXObject form = layerUtility.importPageAsForm(sourceDocument, sourceDocument.getPages().indexOf(page)); for (PDPage page : sourceDocument.getPages()) {
AffineTransform af = AffineTransform.getTranslateInstance(0, yOffset - page.getMediaBox().getHeight()); PDFormXObject form = layerUtility.importPageAsForm(sourceDocument, sourceDocument.getPages().indexOf(page));
layerUtility.appendFormAsLayer(newDocument.getPage(0), form, af, page.getResources().getCOSObject().toString()); AffineTransform af = AffineTransform.getTranslateInstance(0, yOffset - page.getMediaBox().getHeight());
yOffset -= page.getMediaBox().getHeight(); layerUtility.wrapInSaveRestore(newPage);
} String defaultLayerName = "Layer" + sourceDocument.getPages().indexOf(page);
layerUtility.appendFormAsLayer(newPage, form, af, defaultLayerName);
yOffset -= page.getMediaBox().getHeight();
}
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();
newDocument.save(baos); newDocument.save(baos);
newDocument.close(); newDocument.close();
sourceDocument.close(); sourceDocument.close();
byte[] result = baos.toByteArray(); byte[] result = baos.toByteArray();
return WebResponseUtils.bytesToWebResponse(result, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_singlePage.pdf"); return WebResponseUtils.bytesToWebResponse(result, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_singlePage.pdf");
} }
} }

14
src/main/java/stirling/software/SPDF/controller/api/other/PageNumbersController.java
View File

@ -60,6 +60,11 @@ public class PageNumbersController {
case "large": case "large":
marginFactor = 0.05f; marginFactor = 0.05f;
break; break;
case "x-large":
marginFactor = 0.075f;
break;
default: default:
marginFactor = 0.035f; marginFactor = 0.035f;
break; break;
@ -67,7 +72,12 @@ public class PageNumbersController {
float fontSize = 12.0f; float fontSize = 12.0f;
PDType1Font font = PDType1Font.HELVETICA; PDType1Font font = PDType1Font.HELVETICA;
if(pagesToNumber == null || pagesToNumber.length() == 0) {
pagesToNumber = "all";
}
if(customText == null || customText.length() == 0) {
customText = "{n}";
}
List<Integer> pagesToNumberList = GeneralUtils.parsePageList(pagesToNumber.split(","), document.getNumberOfPages()); List<Integer> pagesToNumberList = GeneralUtils.parsePageList(pagesToNumber.split(","), document.getNumberOfPages());
for (int i : pagesToNumberList) { for (int i : pagesToNumberList) {
@ -120,7 +130,7 @@ public class PageNumbersController {
document.save(baos); document.save(baos);
document.close(); document.close();
return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), URLEncoder.encode(file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf", "UTF-8"), MediaType.APPLICATION_PDF); return WebResponseUtils.bytesToWebResponse(baos.toByteArray(), file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_numbersAdded.pdf", MediaType.APPLICATION_PDF);
} }

30
src/main/java/stirling/software/SPDF/controller/api/other/ShowJavascript.java
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@ -28,20 +28,22 @@ public class ShowJavascript {
String script = ""; String script = "";
try (PDDocument document = PDDocument.load(inputFile.getInputStream())) { try (PDDocument document = PDDocument.load(inputFile.getInputStream())) {
PDNameTreeNode<PDActionJavaScript> jsTree = document.getDocumentCatalog().getNames().getJavaScript(); if(document.getDocumentCatalog() != null && document.getDocumentCatalog().getNames() != null) {
PDNameTreeNode<PDActionJavaScript> jsTree = document.getDocumentCatalog().getNames().getJavaScript();
if (jsTree != null) {
Map<String, PDActionJavaScript> jsEntries = jsTree.getNames(); if (jsTree != null) {
Map<String, PDActionJavaScript> jsEntries = jsTree.getNames();
for (Map.Entry<String, PDActionJavaScript> entry : jsEntries.entrySet()) {
String name = entry.getKey(); for (Map.Entry<String, PDActionJavaScript> entry : jsEntries.entrySet()) {
PDActionJavaScript jsAction = entry.getValue(); String name = entry.getKey();
String jsCodeStr = jsAction.getAction(); PDActionJavaScript jsAction = entry.getValue();
String jsCodeStr = jsAction.getAction();
script += "// File: " + inputFile.getOriginalFilename() + ", Script: " + name + "\n" + jsCodeStr + "\n";
} script += "// File: " + inputFile.getOriginalFilename() + ", Script: " + name + "\n" + jsCodeStr + "\n";
} }
}
}
if (script.isEmpty()) { if (script.isEmpty()) {
script = "PDF '" + inputFile.getOriginalFilename() + "' does not contain Javascript"; script = "PDF '" + inputFile.getOriginalFilename() + "' does not contain Javascript";

42
src/main/java/stirling/software/SPDF/controller/api/security/GetInfoOnPDF.java
View File

@ -185,24 +185,26 @@ public class GetInfoOnPDF {
//embeed files TODO size //embeed files TODO size
PDEmbeddedFilesNameTreeNode efTree = catalog.getNames().getEmbeddedFiles(); if(catalog.getNames() != null) {
PDEmbeddedFilesNameTreeNode efTree = catalog.getNames().getEmbeddedFiles();
ArrayNode embeddedFilesArray = objectMapper.createArrayNode();
if (efTree != null) { ArrayNode embeddedFilesArray = objectMapper.createArrayNode();
Map<String, PDComplexFileSpecification> efMap = efTree.getNames(); if (efTree != null) {
if (efMap != null) { Map<String, PDComplexFileSpecification> efMap = efTree.getNames();
for (Map.Entry<String, PDComplexFileSpecification> entry : efMap.entrySet()) { if (efMap != null) {
ObjectNode embeddedFileNode = objectMapper.createObjectNode(); for (Map.Entry<String, PDComplexFileSpecification> entry : efMap.entrySet()) {
embeddedFileNode.put("Name", entry.getKey()); ObjectNode embeddedFileNode = objectMapper.createObjectNode();
PDEmbeddedFile embeddedFile = entry.getValue().getEmbeddedFile(); embeddedFileNode.put("Name", entry.getKey());
if (embeddedFile != null) { PDEmbeddedFile embeddedFile = entry.getValue().getEmbeddedFile();
embeddedFileNode.put("FileSize", embeddedFile.getLength()); // size in bytes if (embeddedFile != null) {
} embeddedFileNode.put("FileSize", embeddedFile.getLength()); // size in bytes
embeddedFilesArray.add(embeddedFileNode); }
} embeddedFilesArray.add(embeddedFileNode);
} }
}
}
other.set("EmbeddedFiles", embeddedFilesArray);
} }
other.set("EmbeddedFiles", embeddedFilesArray);
@ -374,7 +376,7 @@ public class GetInfoOnPDF {
ObjectNode pageInfoParent = objectMapper.createObjectNode(); ObjectNode pageInfoParent = objectMapper.createObjectNode();
for (int pageNum = 1; pageNum <= pdfBoxDoc.getNumberOfPages(); pageNum++) { for (int pageNum = 0; pageNum < pdfBoxDoc.getNumberOfPages(); pageNum++) {
ObjectNode pageInfo = objectMapper.createObjectNode(); ObjectNode pageInfo = objectMapper.createObjectNode();
// Retrieve the page // Retrieve the page
@ -411,8 +413,8 @@ public class GetInfoOnPDF {
// Content Extraction // Content Extraction
PDFTextStripper textStripper = new PDFTextStripper(); PDFTextStripper textStripper = new PDFTextStripper();
textStripper.setStartPage(pageNum -1); textStripper.setStartPage(pageNum + 1);
textStripper.setEndPage(pageNum - 1); textStripper.setEndPage(pageNum +1);
String pageText = textStripper.getText(pdfBoxDoc); String pageText = textStripper.getText(pdfBoxDoc);
pageInfo.put("Text Characters Count", pageText.length()); // pageInfo.put("Text Characters Count", pageText.length()); //