Try something like this:
PDDocument doc = null;
try {
doc = PDDocument.load(yourFile);
if(doc.isEncrypted()) {
StandardDecryptionMaterial sdm = new
StandardDecryptionMaterial("");
doc.openProtection(sdm);
}
} finally {
try { if(doc != null) doc.close(); } catch(Exception ex) { } }
}
Also, if you want to remove the security when you save, just call
doc.setAllSecurityToBeRemoved(true);
doc.save(fos); // fos being your FileOutputStream
fos.close();
----
Thanks,
Adam
From:
Gary LosHuertos <[email protected]>
To:
[email protected]
Date:
08/27/2010 10:58
Subject:
Can't decrypt with default password, but can open without password
Hello all,
I have a collection of PDFs I'm extracting text from programmatically, and
some of them are encrypted. All of them can be opened in OS X's Preview
without supplying a password, but when decrypting with PDFBox, a small
portion of result in an exception on decryption:
Exception in thread "main"
org.apache.pdfbox.exceptions.CryptographyException: Error: The supplied
password does not match either the owner or user password in the document.
at
org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.decryptDocument(StandardSecurityHandler.java:231)
at
org.apache.pdfbox.pdmodel.PDDocument.openProtection(PDDocument.java:1111)
...
This happens both with
doc.openProtection(new StandardDecryptionMaterial(""));
and
doc.decrypt("");
(not that I'm sure there's a difference). Is there some magic that
Preview
is doing to decrypt the document, or am I just hosed? Any help would be
greatly appreciated. Thanks!
Gary LosHuertos
Arc90
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