PDF > décrypter un fichier PDF

QPDF

https://sourceforge.net/projects/qpdf/files/qpdf/

 

qpdf --decrypt in.pdf out.pdf

 

ou

 

qpdf --password='' --decrypt in.pdf out.pdf

 

ou

 

qpdf --password='monPassword' --decrypt in.pdf out.pdf

 

SCRIPT PYTHON

 

import os
import PyPDF2
from PyPDF2 import PdfFileWriter, PdfFileReader
filename=input('\nFilename:')

fp = open(filename)
pdfFile = PdfFileReader(fp)
if pdfFile.isEncrypted:
    try:
        pdfFile.decrypt('')
        print 'File Decrypted (PyPDF2)'
    except:
        command="cp "+filename+" temp.pdf; qpdf --password='' --decrypt temp.pdf "+filename
        os.system(command)
        print 'File Decrypted (qpdf)'
        #re-open the decrypted file
        fp = open(filename)
        pdfFile = PdfFileReader(fp)
else:
    print 'File Not Encrypted'

 

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