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https://issues.apache.org/jira/browse/PDFBOX-5096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr closed PDFBOX-5096.
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Resolution: Won't Do
> Is there a way for PDFBox to decrypt encrypted pdf files without providing
> the password?
> ----------------------------------------------------------------------------------------
>
> Key: PDFBOX-5096
> URL: https://issues.apache.org/jira/browse/PDFBOX-5096
> Project: PDFBox
> Issue Type: Wish
> Reporter: Ling Hock Hin, Daniel
> Priority: Major
> Attachments: function.txt, test_e_file.pdf
>
>
> My application needs to remove metadata of pdf files when uploaded. When
> attempting to load and remove metadata of encrypted pdf files, I get the
> logs below.
>
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275] at
> java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]Caused by:
> java.lang.IllegalStateException: PDF contains an encryption dictionary,
> please remove it with setAllSecurityToBeRemoved() or set a protection policy
> with protect() at
> org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1367)
> ~[pdfbox-2.0.22.jar:2.0.22] at
> org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1319)
> ~[pdfbox-2.0.22.jar:2.0.22] at
> org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1357)
> ~[pdfbox-2.0.22.jar:2.0.22]
>
> Tried to use the code below but it does not seem to work.
> PDDocument document = PDDocument.load(documentBytes);
> if (document.isEncrypted()) {
> document.setAllSecurityToBeRemoved(true);
> }
>
> Appreciate your advice.
>
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