mirror of
https://github.com/Frooodle/Stirling-PDF.git
synced 2025-11-01 01:21:18 +01:00
new workaround for remove digital signature
This commit is contained in:
Ludy87
parent
01a3fa8cfe
commit
5799e61385
@ -1,10 +1,22 @@
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package stirling.software.SPDF.controller.api.converters;
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import java.io.ByteArrayOutputStream;
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import java.io.FileOutputStream;
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import java.io.OutputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.apache.pdfbox.Loader;
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import org.apache.pdfbox.pdmodel.PDDocument;
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import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
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import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
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import org.apache.pdfbox.pdmodel.interactive.form.PDField;
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import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.ModelAttribute;
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import org.springframework.web.bind.annotation.PostMapping;
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@ -26,6 +38,8 @@ import stirling.software.SPDF.utils.WebResponseUtils;
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@Tag(name = "Convert", description = "Convert APIs")
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public class ConvertPDFToPDFA {
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private static final Logger logger = LoggerFactory.getLogger(ConvertPDFToPDFA.class);
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@PostMapping(consumes = "multipart/form-data", value = "/pdf/pdfa")
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@Operation(
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summary = "Convert a PDF to a PDF/A",
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@ -36,9 +50,39 @@ public class ConvertPDFToPDFA {
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MultipartFile inputFile = request.getFileInput();
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String outputFormat = request.getOutputFormat();
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// Save the uploaded file to a temporary location
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// Convert MultipartFile to byte[]
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byte[] pdfBytes = inputFile.getBytes();
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// Load the PDF document
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PDDocument document = Loader.loadPDF(pdfBytes);
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// Get the document catalog
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PDDocumentCatalog catalog = document.getDocumentCatalog();
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// Get the AcroForm
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PDAcroForm acroForm = catalog.getAcroForm();
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if (acroForm != null) {
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// Remove signature fields safely
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List<PDField> fieldsToRemove =
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acroForm.getFields().stream()
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.filter(field -> field instanceof PDSignatureField)
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.collect(Collectors.toList());
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if (!fieldsToRemove.isEmpty()) {
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acroForm.flatten(fieldsToRemove, false);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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document.save(baos);
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pdfBytes = baos.toByteArray();
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}
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}
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document.close();
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// Save the uploaded (and possibly modified) file to a temporary location
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Path tempInputFile = Files.createTempFile("input_", ".pdf");
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inputFile.transferTo(tempInputFile.toFile());
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try (OutputStream outputStream = new FileOutputStream(tempInputFile.toFile())) {
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outputStream.write(pdfBytes);
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}
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// Prepare the output file path
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Path tempOutputFile = Files.createTempFile("output_", ".pdf");
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@ -58,7 +102,7 @@ public class ConvertPDFToPDFA {
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.runCommandWithOutputHandling(command);
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// Read the optimized PDF file
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byte[] pdfBytes = Files.readAllBytes(tempOutputFile);
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byte[] optimizedPdfBytes = Files.readAllBytes(tempOutputFile);
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// Clean up the temporary files
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Files.deleteIfExists(tempInputFile);
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@ -69,6 +113,6 @@ public class ConvertPDFToPDFA {
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Filenames.toSimpleFileName(inputFile.getOriginalFilename())
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.replaceFirst("[.][^.]+$", "")
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+ "_PDFA.pdf";
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return WebResponseUtils.bytesToWebResponse(pdfBytes, outputFilename);
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return WebResponseUtils.bytesToWebResponse(optimizedPdfBytes, outputFilename);
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}
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}
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@ -1,11 +1,14 @@
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package stirling.software.SPDF.controller.api.security;
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import java.io.ByteArrayOutputStream;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.apache.pdfbox.Loader;
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import org.apache.pdfbox.pdmodel.PDDocument;
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import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
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import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
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import org.apache.pdfbox.pdmodel.interactive.form.PDField;
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import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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@ -54,8 +57,15 @@ public class RemoveCertSignController {
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// Get the AcroForm
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PDAcroForm acroForm = catalog.getAcroForm();
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if (acroForm != null) {
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// Remove signature fields
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acroForm.getFields().removeIf(field -> field instanceof PDSignatureField);
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// Remove signature fields safely
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List<PDField> fieldsToRemove =
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acroForm.getFields().stream()
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.filter(field -> field instanceof PDSignatureField)
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.collect(Collectors.toList());
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if (!fieldsToRemove.isEmpty()) {
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acroForm.flatten(fieldsToRemove, false);
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}
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}
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// Save the modified document to the ByteArrayOutputStream
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@ -976,6 +976,7 @@ pdfToPDFA.credit=تستخدم هذه الخدمة OCRmyPDF لتحويل PDF / A.
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pdfToPDFA.submit=تحويل
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Тази услуга използва OCRmyPDF за PDF/A пр
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pdfToPDFA.submit=Преобразуване
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pdfToPDFA.tip=В момента не работи за няколко входа наведнъж
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pdfToPDFA.outputFormat=Изходен формат
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Utilitza OCRmyPDF per la conversió a PDF/A
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pdfToPDFA.submit=Converteix
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Tato služba používá OCRmyPDF pro konverzi do formátu PDF/A
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pdfToPDFA.submit=Převést
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pdfToPDFA.tip=V současné době nepracuje pro více vstupů najednou
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pdfToPDFA.outputFormat=Výstupní formát
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Dieser Dienst verwendet OCRmyPDF für die PDF/A-Konvertierung
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pdfToPDFA.submit=Konvertieren
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pdfToPDFA.tip=Dieser Dienst kann nur einzelne Eingangsdateien verarbeiten.
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pdfToPDFA.outputFormat=Ausgabeformat
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pdfToPDFA.pdfWithDigitalSignature=Das PDF enthält eine digitale Signatur.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Αυτή η υπηρεσία χρησιμοποιεί OCRmyPDF
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pdfToPDFA.submit=Μετατροπή
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pdfToPDFA.tip=Προς το παρόν δεν λειτουργεί για πολλαπλές εισόδους ταυτόχρονα
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=This service uses OCRmyPDF for PDF/A conversion
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pdfToPDFA.submit=Convert
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=This service uses OCRmyPDF for PDF/A conversion
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pdfToPDFA.submit=Convert
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Este servicio usa OCRmyPDF para la conversión a PDF/A
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pdfToPDFA.submit=Convertir
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pdfToPDFA.tip=Actualmente no funciona para múltiples entrada a la vez
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Zerbitzu honek OCRmyPDF erabiltzen du PDFak PDF/A bihurtzeko
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pdfToPDFA.submit=Bihurtu
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Ce service utilise OCRmyPDF pour la conversion en PDF/A.
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pdfToPDFA.submit=Convertir
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pdfToPDFA.tip=Ne fonctionne actuellement pas pour plusieurs entrées à la fois
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pdfToPDFA.outputFormat=Format de sortie
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=इस सेवा में PDF/A परिवर्तन
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pdfToPDFA.submit=परिवर्तित करें
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -331,6 +331,9 @@ compare.tags=razlikovati,kontrast,izmjene,analiza
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home.certSign.title=Potpišite s certifikatom
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home.certSign.desc=Potpisuje PDF s certifikatom/ključem (PEM/P12)
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certSign.tags=autentifikacija,PEM,P12,zvanično,šifriranje
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# home.removeCertSign.title=Remove Certificate Sign
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# home.removeCertSign.desc=Remove certificate signature from PDF
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# removeCertSign.tags=authenticate,PEM,P12,official,decrypt
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home.pageLayout.title=Izgled s više stranica
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home.pageLayout.desc=Spojite više stranica PDF dokumenta u jednu stranicu
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@ -653,6 +656,10 @@ certSign.reason=Razlog
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certSign.location=Mjesto
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certSign.name=Ime
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certSign.submit=Potpiši PDF
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# removeCertSign.title=Remove Certificate Signature
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# removeCertSign.header=Remove the digital certificate from the PDF
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# removeCertSign.selectPDF=Select a PDF file:
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# removeCertSign.submit=Remove Signature
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#removeBlanks
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@ -965,6 +972,7 @@ pdfToPDFA.credit=Ova usluga koristi OCRmyPDF za PDF/A pretvorbu
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pdfToPDFA.submit=Pretvoriti
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pdfToPDFA.tip=Trenutno ne radi za više unosa odjednom
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pdfToPDFA.outputFormat=Izlazni format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Ez a szolgáltatás az OCRmyPDF-t használja a PDF/A konverzió
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pdfToPDFA.submit=Konvertálás
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Layanan ini menggunakan OCRmyPDF untuk konversi PDF/A.
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pdfToPDFA.submit=Konversi
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Questo servizio utilizza OCRmyPDF per la conversione in PDF/A.
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pdfToPDFA.submit=Converti
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pdfToPDFA.tip=Attualmente non funziona per più input contemporaneamente
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pdfToPDFA.outputFormat=Formato di output
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=本サービスはPDF/Aの変換にOCRmyPDFを使用してい
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pdfToPDFA.submit=変換
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pdfToPDFA.tip=現在、一度に複数の入力に対して機能しません
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=이 서비스는 PDF/A 변환을 위해 OCRmyPDF 문서를 사
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pdfToPDFA.submit=변환
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pdfToPDFA.tip=현재 한 번에 여러 입력에 대해 작동하지 않습니다.
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Deze service gebruikt OCRmyPDF voor PDF/A-conversie
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pdfToPDFA.submit=Converteren
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Ta usługa używa OCRmyPDF do konwersji PDF/A
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pdfToPDFA.submit=Konwertuj
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Este serviço usa OCRmyPDF para Conversão de PDF/A
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pdfToPDFA.submit=Converter
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Este serviço usa OCRmyPDF para Conversão de PDF/A
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pdfToPDFA.submit=Converter
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Acest serviciu utilizează OCRmyPDF pentru conversia în PDF/A
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pdfToPDFA.submit=Convert
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Этот сервис использует OCRmyPDF для пр
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pdfToPDFA.submit=Конвертировать
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Táto služba používa OCRmyPDF na konverziu PDF/A
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pdfToPDFA.submit=Konvertovať
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pdfToPDFA.tip=Momentálne nefunguje pre viacero vstupov naraz
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pdfToPDFA.outputFormat=Výstupný formát
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Ova usluga koristi OCRmyPDF za konverziju u PDF/A format
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pdfToPDFA.submit=Konvertuj
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Denna tjänst använder OCRmyPDF för PDF/A-konvertering
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pdfToPDFA.submit=Konvertera
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Bu hizmet PDF/A dönüşümü için OCRmyPDF kullanır
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pdfToPDFA.submit=Dönüştür
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pdfToPDFA.tip=Şu anda aynı anda birden fazla giriş için çalışmıyor
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pdfToPDFA.outputFormat=Çıkış formatı
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=Цей сервіс використовує OCRmyPDF для п
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pdfToPDFA.submit=Конвертувати
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pdfToPDFA.tip=Наразі не працює для кількох вхідних файлів одночасно
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pdfToPDFA.outputFormat=Output format
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pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
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#PDFToWord
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@ -976,6 +976,7 @@ pdfToPDFA.credit=此服务使用OCRmyPDF进行PDF/A转换
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pdfToPDFA.submit=转换
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pdfToPDFA.tip=目前不支持上传多个
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pdfToPDFA.outputFormat=Output format
|
||||
pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
|
||||
|
||||
|
||||
#PDFToWord
|
||||
|
||||
@ -976,6 +976,7 @@ pdfToPDFA.credit=此服務使用 OCRmyPDF 進行 PDF/A 轉換
|
||||
pdfToPDFA.submit=轉換
|
||||
pdfToPDFA.tip=目前不支援上傳多個
|
||||
pdfToPDFA.outputFormat=Output format
|
||||
pdfToPDFA.pdfWithDigitalSignature=The PDF contains a digital signature.
|
||||
|
||||
|
||||
#PDFToWord
|
||||
|
||||
@ -21,15 +21,51 @@
|
||||
<form method="post" enctype="multipart/form-data" th:action="@{api/v1/convert/pdf/pdfa}">
|
||||
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
|
||||
<div class="mb-3">
|
||||
<label th:text="#{pdfToPDFA.outputFormat}"></label>
|
||||
<select class="form-control" name="outputFormat">
|
||||
<label for="outputFormat" th:text="#{pdfToPDFA.outputFormat}"></label>
|
||||
<select class="form-control" name="outputFormat" id="outputFormat">
|
||||
<option value="pdfa-1">PDF/A-1b</option>
|
||||
<option value="pdfa">PDF/A-2b</option>
|
||||
</select>
|
||||
</div>
|
||||
<br>
|
||||
<div id="result" class="alert-warning"></div>
|
||||
<button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{pdfToPDFA.submit}"></button>
|
||||
</form>
|
||||
<script th:inline="javascript">
|
||||
document.getElementById('fileInput-input').addEventListener('change', async () => {
|
||||
pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs/pdf.worker.mjs';
|
||||
const fileInput = document.getElementById('fileInput-input');
|
||||
const resultDiv = document.getElementById('result');
|
||||
|
||||
const file = fileInput.files[0];
|
||||
const arrayBuffer = await file.arrayBuffer();
|
||||
|
||||
try {
|
||||
const pdf = await pdfjsLib.getDocument({ data: arrayBuffer }).promise;
|
||||
|
||||
let hasSignature = false;
|
||||
|
||||
for (let i = 1; i <= pdf.numPages; i++) {
|
||||
const page = await pdf.getPage(i);
|
||||
const annotations = await page.getAnnotations({ intent: 'display' });
|
||||
|
||||
annotations.forEach(annotation => {
|
||||
console.log(annotation)
|
||||
if (annotation.subtype === 'Widget' && annotation.fieldType === 'Sig') {
|
||||
hasSignature = true;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
if (hasSignature) {
|
||||
/*<![CDATA[*/
|
||||
resultDiv.textContent = /*[[#{pdfToPDFA.pdfWithDigitalSignature}]]*/ "The PDF contains a digital signature.";
|
||||
/*]]>*/
|
||||
}
|
||||
} catch (error) {
|
||||
resultDiv.textContent = 'Error reading the PDF: ' + error.message;
|
||||
}
|
||||
});
|
||||
</script>
|
||||
<p class="mt-3" th:text="#{pdfToPDFA.credit}"></p>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user