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https://issues.apache.org/jira/browse/PDFBOX-5012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17238296#comment-17238296
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Maruan Sahyoun commented on PDFBOX-5012:
----------------------------------------
[~marco.pancioni]
Quick hack for a sample code - untested if the resulting PDF can be processed.
As you can see from the asserts that's what you should get
{code}
try (PDDocument testPdf = Loader.loadPDF(new
URL("https://issues.apache.org/jira/secure/attachment/13014820/PDF_orig_anon.pdf";).openStream()))
{
PDDocumentCatalog documentCatalog = testPdf.getDocumentCatalog();
PDAcroForm acroForm = documentCatalog.getAcroForm();
assertTrue(acroForm.hasXFA());
assertFalse(acroForm.xfaIsDynamic());
acroForm.getCOSObject().removeItem(COSName.XFA);
assertFalse(acroForm.hasXFA());
// Remove U3 usage signature
COSDictionary permsDict =
documentCatalog.getCOSObject().getCOSDictionary(COSName.PERMS);
permsDict.removeItem(COSName.getPDFName("UR3"));
//
assertTrue(testPdf.getDocumentCatalog().getAcroForm().getFields().isEmpty());
testPdf.save(...);
}
{code}
> Signature Field Not Recognize
> -----------------------------
>
> Key: PDFBOX-5012
> URL: https://issues.apache.org/jira/browse/PDFBOX-5012
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.21
> Reporter: Marco Monacelli
> Priority: Major
> Labels: XFA
> Attachments: PDF_orig_anon.pdf, PDF_orig_anon_without_XFA.pdf
>
>
> We have a document with a signature field prepared.
> We can locate the signature field and add the signature to it, but the result
> is still an unsigned document.
> CosWriter not identifies the field as a signature field.
> The document has been made anonymous but the result is the same as the
> original.
>
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