2013-01-19 15:50:57 +01:00
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#! /usr/bin/python
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# ineptpdf8.4.51.pyw
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# ineptpdf, version 8.4.51
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# To run this program install Python 2.7 from http://www.python.org/download/
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#
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# PyCrypto from http://www.voidspace.org.uk/python/modules.shtml#pycrypto
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#
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# and PyWin Extension (Win32API module) from
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# http://sourceforge.net/projects/pywin32/files/
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#
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# Make sure to install the dedicated versions for Python 2.7.
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#
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# It's recommended to use the 32-Bit Python Windows versions (even with a 64-bit
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# Windows system).
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#
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# Save this script file as
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# ineptpdf8.4.51.pyw and double-click on it to run it.
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# Revision history:
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# 1 - Initial release
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# 2 - Improved determination of key-generation algorithm
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# 3 - Correctly handle PDF >=1.5 cross-reference streams
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# 4 - Removal of ciando's personal ID (anon)
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# 5 - removing small bug with V3 ebooks (anon)
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# 6 - changed to adeptkey4.der format for 1.7.2 support (anon)
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# 6.1 - backward compatibility for 1.7.1 and old adeptkey.der (anon)
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# 7 - Get cross reference streams and object streams working for input.
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# Not yet supported on output but this only effects file size,
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# not functionality. (anon2)
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# 7.1 - Correct a problem when an old trailer is not followed by startxref (anon2)
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# 7.2 - Correct malformed Mac OS resource forks for Stanza
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# - Support for cross ref streams on output (decreases file size) (anon2)
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# 7.3 - Correct bug in trailer with cross ref stream that caused the error (anon2)
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# "The root object is missing or invalid" in Adobe Reader.
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# 7.4 - Force all generation numbers in output file to be 0, like in v6.
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# Fallback code for wrong xref improved (search till last trailer
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# instead of first) (anon2)
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# 8 - fileopen user machine identifier support (Tetrachroma)
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# 8.1 - fileopen user cookies support (Tetrachroma)
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# 8.2 - fileopen user name/password support (Tetrachroma)
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# 8.3 - fileopen session cookie support (Tetrachroma)
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# 8.3.1 - fix for the "specified key file does not exist" error (Tetrachroma)
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# 8.3.2 - improved server result parsing (Tetrachroma)
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# 8.4 - Ident4D and encrypted Uuid support (Tetrachroma)
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# 8.4.1 - improved MAC address processing (Tetrachroma)
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# 8.4.2 - FowP3Uuid fallback file processing (Tetrachroma)
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# 8.4.3 - improved user/password pdf file detection (Tetrachroma)
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# 8.4.4 - small bugfix (Tetrachroma)
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# 8.4.5 - improved cookie host searching (Tetrachroma)
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# 8.4.6 - STRICT parsing disabled (non-standard pdf processing) (Tetrachroma)
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# 8.4.7 - UTF-8 input file conversion (Tetrachroma)
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# 8.4.8 - fix for more rare utf8 problems (Tetrachroma)
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# 8.4.9 - solution for utf8 in comination with
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# ident4id method (Tetrachroma)
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# 8.4.10 - line feed processing, non c system drive patch, nrbook support (Tetrachroma)
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# 8.4.11 - alternative ident4id calculation (Tetrachroma)
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# 8.4.12 - fix for capital username characters and
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# other unusual user login names (Tetrachroma & ZeroPoint)
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# 8.4.13 - small bug fixes (Tetrachroma)
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# 8.4.14 - fix for non-standard-conform fileopen pdfs (Tetrachroma)
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# 8.4.15 - 'bad file descriptor'-fix (Tetrachroma)
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# 8.4.16 - improves user/pass detection (Tetrachroma)
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# 8.4.17 - fix for several '=' chars in a DPRM entity (Tetrachroma)
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# 8.4.18 - follow up bug fix for the DPRM problem,
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# more readable error messages (Tetrachroma)
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# 8.4.19 - 2nd fix for 'bad file descriptor' problem (Tetrachroma)
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# 8.4.20 - follow up patch (Tetrachroma)
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# 8.4.21 - 3rd patch for 'bad file descriptor' (Tetrachroma)
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# 8.4.22 - disable prints for exception prevention (Tetrachroma)
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# 8.4.23 - check for additional security attributes (Tetrachroma)
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# 8.4.24 - improved cookie session support (Tetrachroma)
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# 8.4.25 - more compatibility with unicode files (Tetrachroma)
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# 8.4.26 - automated session/user cookie request function (works
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# only with Firefox 3.x+) (Tetrachroma)
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# 8.4.27 - user/password fallback
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# 8.4.28 - AES decryption, improved misconfigured pdf handling,
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# limited experimental APS support (Tetrachroma & Neisklar)
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# 8.4.29 - backport for bad formatted rc4 encrypted pdfs (Tetrachroma)
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# 8.4.30 - extended authorization attributes support (Tetrachroma)
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# 8.4.31 - improved session cookie and better server response error
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# handling (Tetrachroma)
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# 8.4.33 - small cookie optimizations (Tetrachroma)
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# 8.4.33 - debug output option (Tetrachroma)
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# 8.4.34 - better user/password management
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# handles the 'AskUnp' response) (Tetrachroma)
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# 8.4.35 - special handling for non-standard systems (Tetrachroma)
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# 8.4.36 - previous machine/disk handling [PrevMach/PrevDisk] (Tetrachroma)
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# 8.4.36 - FOPN_flock support (Tetrachroma)
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# 8.4.37 - patch for unicode paths/filenames (Tetrachroma)
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# 8.4.38 - small fix for user/password dialog (Tetrachroma)
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# 8.4.39 - sophisticated request mode differentiation, forced
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# uuid calculation (Tetrachroma)
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# 8.4.40 - fix for non standard server responses (Tetrachroma)
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# 8.4.41 - improved user/password request windows,
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# better server response tolerance (Tetrachroma)
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# 8.4.42 - improved nl/cr server response parsing (Tetrachroma)
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# 8.4.43 - fix for user names longer than 13 characters and special
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# uuid encryption (Tetrachroma)
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# 8.4.44 - another fix for ident4d problem (Tetrachroma)
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# 8.4.45 - 2nd fix for ident4d problem (Tetrachroma)
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# 8.4.46 - script cleanup and optimizations (Tetrachroma)
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# 8.4.47 - script identification change to Adobe Reader (Tetrachroma)
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# 8.4.48 - improved tolerance for false file/registry entries (Tetrachroma)
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# 8.4.49 - improved username encryption (Tetrachroma)
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# 8.4.50 - improved (experimental) APS support (Tetrachroma & Neisklar)
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# 8.4.51 - automatic APS offline key retrieval (works only for
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# Onleihe right now) (80ka80 & Tetrachroma)
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"""
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Decrypts Adobe ADEPT-encrypted and Fileopen PDF files.
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"""
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from __future__ import with_statement
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__license__ = 'GPL v3'
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import sys
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import os
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import re
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import zlib
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import struct
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import hashlib
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from itertools import chain, islice
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import xml.etree.ElementTree as etree
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import Tkinter
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import Tkconstants
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import tkFileDialog
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import tkMessageBox
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# added for fileopen support
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import urllib
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import urlparse
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import time
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import socket
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import string
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import uuid
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import subprocess
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import time
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import getpass
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from ctypes import *
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import traceback
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import inspect
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import tempfile
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import sqlite3
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import httplib
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try:
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from Crypto.Cipher import ARC4
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# needed for newer pdfs
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from Crypto.Cipher import AES
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from Crypto.Hash import SHA256
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from Crypto.PublicKey import RSA
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except ImportError:
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ARC4 = None
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RSA = None
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try:
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from cStringIO import StringIO
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except ImportError:
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from StringIO import StringIO
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class ADEPTError(Exception):
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pass
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# global variable (needed for fileopen and password decryption)
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INPUTFILEPATH = ''
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KEYFILEPATH = ''
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PASSWORD = ''
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DEBUG_MODE = False
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IVERSION = '8.4.51'
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# Do we generate cross reference streams on output?
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# 0 = never
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# 1 = only if present in input
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# 2 = always
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GEN_XREF_STM = 1
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# This is the value for the current document
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gen_xref_stm = False # will be set in PDFSerializer
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###
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### ASN.1 parsing code from tlslite
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def bytesToNumber(bytes):
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total = 0L
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for byte in bytes:
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total = (total << 8) + byte
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return total
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class ASN1Error(Exception):
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pass
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class ASN1Parser(object):
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class Parser(object):
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def __init__(self, bytes):
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self.bytes = bytes
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self.index = 0
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def get(self, length):
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if self.index + length > len(self.bytes):
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raise ASN1Error("Error decoding ASN.1")
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x = 0
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for count in range(length):
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x <<= 8
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x |= self.bytes[self.index]
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self.index += 1
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return x
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def getFixBytes(self, lengthBytes):
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bytes = self.bytes[self.index : self.index+lengthBytes]
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self.index += lengthBytes
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return bytes
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def getVarBytes(self, lengthLength):
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lengthBytes = self.get(lengthLength)
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return self.getFixBytes(lengthBytes)
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def getFixList(self, length, lengthList):
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l = [0] * lengthList
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for x in range(lengthList):
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l[x] = self.get(length)
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return l
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def getVarList(self, length, lengthLength):
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lengthList = self.get(lengthLength)
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if lengthList % length != 0:
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raise ASN1Error("Error decoding ASN.1")
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lengthList = int(lengthList/length)
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l = [0] * lengthList
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for x in range(lengthList):
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l[x] = self.get(length)
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return l
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def startLengthCheck(self, lengthLength):
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self.lengthCheck = self.get(lengthLength)
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self.indexCheck = self.index
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def setLengthCheck(self, length):
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self.lengthCheck = length
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self.indexCheck = self.index
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def stopLengthCheck(self):
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if (self.index - self.indexCheck) != self.lengthCheck:
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raise ASN1Error("Error decoding ASN.1")
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def atLengthCheck(self):
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if (self.index - self.indexCheck) < self.lengthCheck:
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return False
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elif (self.index - self.indexCheck) == self.lengthCheck:
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return True
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else:
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raise ASN1Error("Error decoding ASN.1")
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def __init__(self, bytes):
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p = self.Parser(bytes)
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p.get(1)
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self.length = self._getASN1Length(p)
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self.value = p.getFixBytes(self.length)
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def getChild(self, which):
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p = self.Parser(self.value)
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for x in range(which+1):
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markIndex = p.index
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p.get(1)
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length = self._getASN1Length(p)
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p.getFixBytes(length)
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return ASN1Parser(p.bytes[markIndex:p.index])
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def _getASN1Length(self, p):
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firstLength = p.get(1)
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if firstLength<=127:
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return firstLength
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else:
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lengthLength = firstLength & 0x7F
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return p.get(lengthLength)
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###
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### PDF parsing routines from pdfminer, with changes for EBX_HANDLER
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## Utilities
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##
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def choplist(n, seq):
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'''Groups every n elements of the list.'''
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r = []
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for x in seq:
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r.append(x)
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if len(r) == n:
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yield tuple(r)
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r = []
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return
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def nunpack(s, default=0):
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'''Unpacks up to 4 bytes big endian.'''
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l = len(s)
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if not l:
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return default
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elif l == 1:
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return ord(s)
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elif l == 2:
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return struct.unpack('>H', s)[0]
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elif l == 3:
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return struct.unpack('>L', '\x00'+s)[0]
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elif l == 4:
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return struct.unpack('>L', s)[0]
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else:
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return TypeError('invalid length: %d' % l)
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STRICT = 0
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## PS Exceptions
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##
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class PSException(Exception): pass
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class PSEOF(PSException): pass
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class PSSyntaxError(PSException): pass
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class PSTypeError(PSException): pass
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class PSValueError(PSException): pass
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## Basic PostScript Types
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##
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# PSLiteral
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class PSObject(object): pass
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class PSLiteral(PSObject):
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'''
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PS literals (e.g. "/Name").
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Caution: Never create these objects directly.
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Use PSLiteralTable.intern() instead.
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'''
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def __init__(self, name):
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self.name = name
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return
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def __repr__(self):
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name = []
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for char in self.name:
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if not char.isalnum():
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char = '#%02x' % ord(char)
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name.append(char)
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return '/%s' % ''.join(name)
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# PSKeyword
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class PSKeyword(PSObject):
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'''
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PS keywords (e.g. "showpage").
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Caution: Never create these objects directly.
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Use PSKeywordTable.intern() instead.
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'''
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def __init__(self, name):
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self.name = name
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return
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def __repr__(self):
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return self.name
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# PSSymbolTable
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class PSSymbolTable(object):
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'''
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Symbol table that stores PSLiteral or PSKeyword.
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'''
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|
|
|
|
|
def __init__(self, classe):
|
|
|
|
self.dic = {}
|
|
|
|
self.classe = classe
|
|
|
|
return
|
|
|
|
|
|
|
|
def intern(self, name):
|
|
|
|
if name in self.dic:
|
|
|
|
lit = self.dic[name]
|
|
|
|
else:
|
|
|
|
lit = self.classe(name)
|
|
|
|
self.dic[name] = lit
|
|
|
|
return lit
|
|
|
|
|
|
|
|
PSLiteralTable = PSSymbolTable(PSLiteral)
|
|
|
|
PSKeywordTable = PSSymbolTable(PSKeyword)
|
|
|
|
LIT = PSLiteralTable.intern
|
|
|
|
KWD = PSKeywordTable.intern
|
|
|
|
KEYWORD_BRACE_BEGIN = KWD('{')
|
|
|
|
KEYWORD_BRACE_END = KWD('}')
|
|
|
|
KEYWORD_ARRAY_BEGIN = KWD('[')
|
|
|
|
KEYWORD_ARRAY_END = KWD(']')
|
|
|
|
KEYWORD_DICT_BEGIN = KWD('<<')
|
|
|
|
KEYWORD_DICT_END = KWD('>>')
|
|
|
|
|
|
|
|
|
|
|
|
def literal_name(x):
|
|
|
|
if not isinstance(x, PSLiteral):
|
|
|
|
if STRICT:
|
|
|
|
raise PSTypeError('Literal required: %r' % x)
|
|
|
|
else:
|
|
|
|
return str(x)
|
|
|
|
return x.name
|
|
|
|
|
|
|
|
def keyword_name(x):
|
|
|
|
if not isinstance(x, PSKeyword):
|
|
|
|
if STRICT:
|
|
|
|
raise PSTypeError('Keyword required: %r' % x)
|
|
|
|
else:
|
|
|
|
return str(x)
|
|
|
|
return x.name
|
|
|
|
|
|
|
|
|
|
|
|
## PSBaseParser
|
|
|
|
##
|
|
|
|
EOL = re.compile(r'[\r\n]')
|
|
|
|
SPC = re.compile(r'\s')
|
|
|
|
NONSPC = re.compile(r'\S')
|
|
|
|
HEX = re.compile(r'[0-9a-fA-F]')
|
|
|
|
END_LITERAL = re.compile(r'[#/%\[\]()<>{}\s]')
|
|
|
|
END_HEX_STRING = re.compile(r'[^\s0-9a-fA-F]')
|
|
|
|
HEX_PAIR = re.compile(r'[0-9a-fA-F]{2}|.')
|
|
|
|
END_NUMBER = re.compile(r'[^0-9]')
|
|
|
|
END_KEYWORD = re.compile(r'[#/%\[\]()<>{}\s]')
|
|
|
|
END_STRING = re.compile(r'[()\134]')
|
|
|
|
OCT_STRING = re.compile(r'[0-7]')
|
|
|
|
ESC_STRING = { 'b':8, 't':9, 'n':10, 'f':12, 'r':13, '(':40, ')':41, '\\':92 }
|
|
|
|
|
|
|
|
class PSBaseParser(object):
|
|
|
|
|
|
|
|
'''
|
|
|
|
Most basic PostScript parser that performs only basic tokenization.
|
|
|
|
'''
|
|
|
|
BUFSIZ = 4096
|
|
|
|
|
|
|
|
def __init__(self, fp):
|
|
|
|
self.fp = fp
|
|
|
|
self.seek(0)
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
return '<PSBaseParser: %r, bufpos=%d>' % (self.fp, self.bufpos)
|
|
|
|
|
|
|
|
def flush(self):
|
|
|
|
return
|
|
|
|
|
|
|
|
def close(self):
|
|
|
|
self.flush()
|
|
|
|
return
|
|
|
|
|
|
|
|
def tell(self):
|
|
|
|
return self.bufpos+self.charpos
|
|
|
|
|
|
|
|
def poll(self, pos=None, n=80):
|
|
|
|
pos0 = self.fp.tell()
|
|
|
|
if not pos:
|
|
|
|
pos = self.bufpos+self.charpos
|
|
|
|
self.fp.seek(pos)
|
|
|
|
##print >>sys.stderr, 'poll(%d): %r' % (pos, self.fp.read(n))
|
|
|
|
self.fp.seek(pos0)
|
|
|
|
return
|
|
|
|
|
|
|
|
def seek(self, pos):
|
|
|
|
'''
|
|
|
|
Seeks the parser to the given position.
|
|
|
|
'''
|
|
|
|
self.fp.seek(pos)
|
|
|
|
# reset the status for nextline()
|
|
|
|
self.bufpos = pos
|
|
|
|
self.buf = ''
|
|
|
|
self.charpos = 0
|
|
|
|
# reset the status for nexttoken()
|
|
|
|
self.parse1 = self.parse_main
|
|
|
|
self.tokens = []
|
|
|
|
return
|
|
|
|
|
|
|
|
def fillbuf(self):
|
|
|
|
if self.charpos < len(self.buf): return
|
|
|
|
# fetch next chunk.
|
|
|
|
self.bufpos = self.fp.tell()
|
|
|
|
self.buf = self.fp.read(self.BUFSIZ)
|
|
|
|
if not self.buf:
|
|
|
|
raise PSEOF('Unexpected EOF')
|
|
|
|
self.charpos = 0
|
|
|
|
return
|
|
|
|
|
|
|
|
def parse_main(self, s, i):
|
|
|
|
m = NONSPC.search(s, i)
|
|
|
|
if not m:
|
|
|
|
return (self.parse_main, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
c = s[j]
|
|
|
|
self.tokenstart = self.bufpos+j
|
|
|
|
if c == '%':
|
|
|
|
self.token = '%'
|
|
|
|
return (self.parse_comment, j+1)
|
|
|
|
if c == '/':
|
|
|
|
self.token = ''
|
|
|
|
return (self.parse_literal, j+1)
|
|
|
|
if c in '-+' or c.isdigit():
|
|
|
|
self.token = c
|
|
|
|
return (self.parse_number, j+1)
|
|
|
|
if c == '.':
|
|
|
|
self.token = c
|
|
|
|
return (self.parse_float, j+1)
|
|
|
|
if c.isalpha():
|
|
|
|
self.token = c
|
|
|
|
return (self.parse_keyword, j+1)
|
|
|
|
if c == '(':
|
|
|
|
self.token = ''
|
|
|
|
self.paren = 1
|
|
|
|
return (self.parse_string, j+1)
|
|
|
|
if c == '<':
|
|
|
|
self.token = ''
|
|
|
|
return (self.parse_wopen, j+1)
|
|
|
|
if c == '>':
|
|
|
|
self.token = ''
|
|
|
|
return (self.parse_wclose, j+1)
|
|
|
|
self.add_token(KWD(c))
|
|
|
|
return (self.parse_main, j+1)
|
|
|
|
|
|
|
|
def add_token(self, obj):
|
|
|
|
self.tokens.append((self.tokenstart, obj))
|
|
|
|
return
|
|
|
|
|
|
|
|
def parse_comment(self, s, i):
|
|
|
|
m = EOL.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_comment, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
# We ignore comments.
|
|
|
|
#self.tokens.append(self.token)
|
|
|
|
return (self.parse_main, j)
|
|
|
|
|
|
|
|
def parse_literal(self, s, i):
|
|
|
|
m = END_LITERAL.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_literal, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
c = s[j]
|
|
|
|
if c == '#':
|
|
|
|
self.hex = ''
|
|
|
|
return (self.parse_literal_hex, j+1)
|
|
|
|
self.add_token(LIT(self.token))
|
|
|
|
return (self.parse_main, j)
|
|
|
|
|
|
|
|
def parse_literal_hex(self, s, i):
|
|
|
|
c = s[i]
|
|
|
|
if HEX.match(c) and len(self.hex) < 2:
|
|
|
|
self.hex += c
|
|
|
|
return (self.parse_literal_hex, i+1)
|
|
|
|
if self.hex:
|
|
|
|
self.token += chr(int(self.hex, 16))
|
|
|
|
return (self.parse_literal, i)
|
|
|
|
|
|
|
|
def parse_number(self, s, i):
|
|
|
|
m = END_NUMBER.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_number, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
c = s[j]
|
|
|
|
if c == '.':
|
|
|
|
self.token += c
|
|
|
|
return (self.parse_float, j+1)
|
|
|
|
try:
|
|
|
|
self.add_token(int(self.token))
|
|
|
|
except ValueError:
|
|
|
|
pass
|
|
|
|
return (self.parse_main, j)
|
|
|
|
def parse_float(self, s, i):
|
|
|
|
m = END_NUMBER.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_float, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
self.add_token(float(self.token))
|
|
|
|
return (self.parse_main, j)
|
|
|
|
|
|
|
|
def parse_keyword(self, s, i):
|
|
|
|
m = END_KEYWORD.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_keyword, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
if self.token == 'true':
|
|
|
|
token = True
|
|
|
|
elif self.token == 'false':
|
|
|
|
token = False
|
|
|
|
else:
|
|
|
|
token = KWD(self.token)
|
|
|
|
self.add_token(token)
|
|
|
|
return (self.parse_main, j)
|
|
|
|
|
|
|
|
def parse_string(self, s, i):
|
|
|
|
m = END_STRING.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_string, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
c = s[j]
|
|
|
|
if c == '\\':
|
|
|
|
self.oct = ''
|
|
|
|
return (self.parse_string_1, j+1)
|
|
|
|
if c == '(':
|
|
|
|
self.paren += 1
|
|
|
|
self.token += c
|
|
|
|
return (self.parse_string, j+1)
|
|
|
|
if c == ')':
|
|
|
|
self.paren -= 1
|
|
|
|
if self.paren:
|
|
|
|
self.token += c
|
|
|
|
return (self.parse_string, j+1)
|
|
|
|
self.add_token(self.token)
|
|
|
|
return (self.parse_main, j+1)
|
|
|
|
def parse_string_1(self, s, i):
|
|
|
|
c = s[i]
|
|
|
|
if OCT_STRING.match(c) and len(self.oct) < 3:
|
|
|
|
self.oct += c
|
|
|
|
return (self.parse_string_1, i+1)
|
|
|
|
if self.oct:
|
|
|
|
self.token += chr(int(self.oct, 8))
|
|
|
|
return (self.parse_string, i)
|
|
|
|
if c in ESC_STRING:
|
|
|
|
self.token += chr(ESC_STRING[c])
|
|
|
|
return (self.parse_string, i+1)
|
|
|
|
|
|
|
|
def parse_wopen(self, s, i):
|
|
|
|
c = s[i]
|
|
|
|
if c.isspace() or HEX.match(c):
|
|
|
|
return (self.parse_hexstring, i)
|
|
|
|
if c == '<':
|
|
|
|
self.add_token(KEYWORD_DICT_BEGIN)
|
|
|
|
i += 1
|
|
|
|
return (self.parse_main, i)
|
|
|
|
|
|
|
|
def parse_wclose(self, s, i):
|
|
|
|
c = s[i]
|
|
|
|
if c == '>':
|
|
|
|
self.add_token(KEYWORD_DICT_END)
|
|
|
|
i += 1
|
|
|
|
return (self.parse_main, i)
|
|
|
|
|
|
|
|
def parse_hexstring(self, s, i):
|
|
|
|
m = END_HEX_STRING.search(s, i)
|
|
|
|
if not m:
|
|
|
|
self.token += s[i:]
|
|
|
|
return (self.parse_hexstring, len(s))
|
|
|
|
j = m.start(0)
|
|
|
|
self.token += s[i:j]
|
|
|
|
token = HEX_PAIR.sub(lambda m: chr(int(m.group(0), 16)),
|
|
|
|
SPC.sub('', self.token))
|
|
|
|
self.add_token(token)
|
|
|
|
return (self.parse_main, j)
|
|
|
|
|
|
|
|
def nexttoken(self):
|
|
|
|
while not self.tokens:
|
|
|
|
self.fillbuf()
|
|
|
|
(self.parse1, self.charpos) = self.parse1(self.buf, self.charpos)
|
|
|
|
token = self.tokens.pop(0)
|
|
|
|
return token
|
|
|
|
|
|
|
|
def nextline(self):
|
|
|
|
'''
|
|
|
|
Fetches a next line that ends either with \\r or \\n.
|
|
|
|
'''
|
|
|
|
linebuf = ''
|
|
|
|
linepos = self.bufpos + self.charpos
|
|
|
|
eol = False
|
|
|
|
while 1:
|
|
|
|
self.fillbuf()
|
|
|
|
if eol:
|
|
|
|
c = self.buf[self.charpos]
|
|
|
|
# handle '\r\n'
|
|
|
|
if c == '\n':
|
|
|
|
linebuf += c
|
|
|
|
self.charpos += 1
|
|
|
|
break
|
|
|
|
m = EOL.search(self.buf, self.charpos)
|
|
|
|
if m:
|
|
|
|
linebuf += self.buf[self.charpos:m.end(0)]
|
|
|
|
self.charpos = m.end(0)
|
|
|
|
if linebuf[-1] == '\r':
|
|
|
|
eol = True
|
|
|
|
else:
|
|
|
|
break
|
|
|
|
else:
|
|
|
|
linebuf += self.buf[self.charpos:]
|
|
|
|
self.charpos = len(self.buf)
|
|
|
|
return (linepos, linebuf)
|
|
|
|
|
|
|
|
def revreadlines(self):
|
|
|
|
'''
|
|
|
|
Fetches a next line backword. This is used to locate
|
|
|
|
the trailers at the end of a file.
|
|
|
|
'''
|
|
|
|
self.fp.seek(0, 2)
|
|
|
|
pos = self.fp.tell()
|
|
|
|
buf = ''
|
|
|
|
while 0 < pos:
|
|
|
|
prevpos = pos
|
|
|
|
pos = max(0, pos-self.BUFSIZ)
|
|
|
|
self.fp.seek(pos)
|
|
|
|
s = self.fp.read(prevpos-pos)
|
|
|
|
if not s: break
|
|
|
|
while 1:
|
|
|
|
n = max(s.rfind('\r'), s.rfind('\n'))
|
|
|
|
if n == -1:
|
|
|
|
buf = s + buf
|
|
|
|
break
|
|
|
|
yield s[n:]+buf
|
|
|
|
s = s[:n]
|
|
|
|
buf = ''
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
|
|
## PSStackParser
|
|
|
|
##
|
|
|
|
class PSStackParser(PSBaseParser):
|
|
|
|
|
|
|
|
def __init__(self, fp):
|
|
|
|
PSBaseParser.__init__(self, fp)
|
|
|
|
self.reset()
|
|
|
|
return
|
|
|
|
|
|
|
|
def reset(self):
|
|
|
|
self.context = []
|
|
|
|
self.curtype = None
|
|
|
|
self.curstack = []
|
|
|
|
self.results = []
|
|
|
|
return
|
|
|
|
|
|
|
|
def seek(self, pos):
|
|
|
|
PSBaseParser.seek(self, pos)
|
|
|
|
self.reset()
|
|
|
|
return
|
|
|
|
|
|
|
|
def push(self, *objs):
|
|
|
|
self.curstack.extend(objs)
|
|
|
|
return
|
|
|
|
def pop(self, n):
|
|
|
|
objs = self.curstack[-n:]
|
|
|
|
self.curstack[-n:] = []
|
|
|
|
return objs
|
|
|
|
def popall(self):
|
|
|
|
objs = self.curstack
|
|
|
|
self.curstack = []
|
|
|
|
return objs
|
|
|
|
def add_results(self, *objs):
|
|
|
|
self.results.extend(objs)
|
|
|
|
return
|
|
|
|
|
|
|
|
def start_type(self, pos, type):
|
|
|
|
self.context.append((pos, self.curtype, self.curstack))
|
|
|
|
(self.curtype, self.curstack) = (type, [])
|
|
|
|
return
|
|
|
|
def end_type(self, type):
|
|
|
|
if self.curtype != type:
|
|
|
|
raise PSTypeError('Type mismatch: %r != %r' % (self.curtype, type))
|
|
|
|
objs = [ obj for (_,obj) in self.curstack ]
|
|
|
|
(pos, self.curtype, self.curstack) = self.context.pop()
|
|
|
|
return (pos, objs)
|
|
|
|
|
|
|
|
def do_keyword(self, pos, token):
|
|
|
|
return
|
|
|
|
|
|
|
|
def nextobject(self, direct=False):
|
|
|
|
'''
|
|
|
|
Yields a list of objects: keywords, literals, strings,
|
|
|
|
numbers, arrays and dictionaries. Arrays and dictionaries
|
|
|
|
are represented as Python sequence and dictionaries.
|
|
|
|
'''
|
|
|
|
while not self.results:
|
|
|
|
(pos, token) = self.nexttoken()
|
|
|
|
##print (pos,token), (self.curtype, self.curstack)
|
|
|
|
if (isinstance(token, int) or
|
|
|
|
isinstance(token, float) or
|
|
|
|
isinstance(token, bool) or
|
|
|
|
isinstance(token, str) or
|
|
|
|
isinstance(token, PSLiteral)):
|
|
|
|
# normal token
|
|
|
|
self.push((pos, token))
|
|
|
|
elif token == KEYWORD_ARRAY_BEGIN:
|
|
|
|
# begin array
|
|
|
|
self.start_type(pos, 'a')
|
|
|
|
elif token == KEYWORD_ARRAY_END:
|
|
|
|
# end array
|
|
|
|
try:
|
|
|
|
self.push(self.end_type('a'))
|
|
|
|
except PSTypeError:
|
|
|
|
if STRICT: raise
|
|
|
|
elif token == KEYWORD_DICT_BEGIN:
|
|
|
|
# begin dictionary
|
|
|
|
self.start_type(pos, 'd')
|
|
|
|
elif token == KEYWORD_DICT_END:
|
|
|
|
# end dictionary
|
|
|
|
try:
|
|
|
|
(pos, objs) = self.end_type('d')
|
|
|
|
if len(objs) % 2 != 0:
|
|
|
|
raise PSSyntaxError(
|
|
|
|
'Invalid dictionary construct: %r' % objs)
|
|
|
|
d = dict((literal_name(k), v) \
|
|
|
|
for (k,v) in choplist(2, objs))
|
|
|
|
self.push((pos, d))
|
|
|
|
except PSTypeError:
|
|
|
|
if STRICT: raise
|
|
|
|
else:
|
|
|
|
self.do_keyword(pos, token)
|
|
|
|
if self.context:
|
|
|
|
continue
|
|
|
|
else:
|
|
|
|
if direct:
|
|
|
|
return self.pop(1)[0]
|
|
|
|
self.flush()
|
|
|
|
obj = self.results.pop(0)
|
|
|
|
return obj
|
|
|
|
|
|
|
|
|
|
|
|
LITERAL_CRYPT = PSLiteralTable.intern('Crypt')
|
|
|
|
LITERALS_FLATE_DECODE = (PSLiteralTable.intern('FlateDecode'), PSLiteralTable.intern('Fl'))
|
|
|
|
LITERALS_LZW_DECODE = (PSLiteralTable.intern('LZWDecode'), PSLiteralTable.intern('LZW'))
|
|
|
|
LITERALS_ASCII85_DECODE = (PSLiteralTable.intern('ASCII85Decode'), PSLiteralTable.intern('A85'))
|
|
|
|
|
|
|
|
|
|
|
|
## PDF Objects
|
|
|
|
##
|
|
|
|
class PDFObject(PSObject): pass
|
|
|
|
|
|
|
|
class PDFException(PSException): pass
|
|
|
|
class PDFTypeError(PDFException): pass
|
|
|
|
class PDFValueError(PDFException): pass
|
|
|
|
class PDFNotImplementedError(PSException): pass
|
|
|
|
|
|
|
|
|
|
|
|
## PDFObjRef
|
|
|
|
##
|
|
|
|
class PDFObjRef(PDFObject):
|
|
|
|
|
|
|
|
def __init__(self, doc, objid, genno):
|
|
|
|
if objid == 0:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFValueError('PDF object id cannot be 0.')
|
|
|
|
self.doc = doc
|
|
|
|
self.objid = objid
|
|
|
|
self.genno = genno
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
return '<PDFObjRef:%d %d>' % (self.objid, self.genno)
|
|
|
|
|
|
|
|
def resolve(self):
|
|
|
|
return self.doc.getobj(self.objid)
|
|
|
|
|
|
|
|
|
|
|
|
# resolve
|
|
|
|
def resolve1(x):
|
|
|
|
'''
|
|
|
|
Resolve an object. If this is an array or dictionary,
|
|
|
|
it may still contains some indirect objects inside.
|
|
|
|
'''
|
|
|
|
while isinstance(x, PDFObjRef):
|
|
|
|
x = x.resolve()
|
|
|
|
return x
|
|
|
|
|
|
|
|
def resolve_all(x):
|
|
|
|
'''
|
|
|
|
Recursively resolve X and all the internals.
|
|
|
|
Make sure there is no indirect reference within the nested object.
|
|
|
|
This procedure might be slow.
|
|
|
|
'''
|
|
|
|
while isinstance(x, PDFObjRef):
|
|
|
|
x = x.resolve()
|
|
|
|
if isinstance(x, list):
|
|
|
|
x = [ resolve_all(v) for v in x ]
|
|
|
|
elif isinstance(x, dict):
|
|
|
|
for (k,v) in x.iteritems():
|
|
|
|
x[k] = resolve_all(v)
|
|
|
|
return x
|
|
|
|
|
|
|
|
def decipher_all(decipher, objid, genno, x):
|
|
|
|
'''
|
|
|
|
Recursively decipher X.
|
|
|
|
'''
|
|
|
|
if isinstance(x, str):
|
|
|
|
return decipher(objid, genno, x)
|
|
|
|
decf = lambda v: decipher_all(decipher, objid, genno, v)
|
|
|
|
if isinstance(x, list):
|
|
|
|
x = [decf(v) for v in x]
|
|
|
|
elif isinstance(x, dict):
|
|
|
|
x = dict((k, decf(v)) for (k, v) in x.iteritems())
|
|
|
|
return x
|
|
|
|
|
|
|
|
|
|
|
|
# Type cheking
|
|
|
|
def int_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not isinstance(x, int):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('Integer required: %r' % x)
|
|
|
|
return 0
|
|
|
|
return x
|
|
|
|
|
|
|
|
def float_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not isinstance(x, float):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('Float required: %r' % x)
|
|
|
|
return 0.0
|
|
|
|
return x
|
|
|
|
|
|
|
|
def num_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not (isinstance(x, int) or isinstance(x, float)):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('Int or Float required: %r' % x)
|
|
|
|
return 0
|
|
|
|
return x
|
|
|
|
|
|
|
|
def str_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not isinstance(x, str):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('String required: %r' % x)
|
|
|
|
return ''
|
|
|
|
return x
|
|
|
|
|
|
|
|
def list_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not (isinstance(x, list) or isinstance(x, tuple)):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('List required: %r' % x)
|
|
|
|
return []
|
|
|
|
return x
|
|
|
|
|
|
|
|
def dict_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not isinstance(x, dict):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('Dict required: %r' % x)
|
|
|
|
return {}
|
|
|
|
return x
|
|
|
|
|
|
|
|
def stream_value(x):
|
|
|
|
x = resolve1(x)
|
|
|
|
if not isinstance(x, PDFStream):
|
|
|
|
if STRICT:
|
|
|
|
raise PDFTypeError('PDFStream required: %r' % x)
|
|
|
|
return PDFStream({}, '')
|
|
|
|
return x
|
|
|
|
|
|
|
|
# ascii85decode(data)
|
|
|
|
def ascii85decode(data):
|
|
|
|
n = b = 0
|
|
|
|
out = ''
|
|
|
|
for c in data:
|
|
|
|
if '!' <= c and c <= 'u':
|
|
|
|
n += 1
|
|
|
|
b = b*85+(ord(c)-33)
|
|
|
|
if n == 5:
|
|
|
|
out += struct.pack('>L',b)
|
|
|
|
n = b = 0
|
|
|
|
elif c == 'z':
|
|
|
|
assert n == 0
|
|
|
|
out += '\0\0\0\0'
|
|
|
|
elif c == '~':
|
|
|
|
if n:
|
|
|
|
for _ in range(5-n):
|
|
|
|
b = b*85+84
|
|
|
|
out += struct.pack('>L',b)[:n-1]
|
|
|
|
break
|
|
|
|
return out
|
|
|
|
|
|
|
|
|
|
|
|
## PDFStream type
|
|
|
|
class PDFStream(PDFObject):
|
|
|
|
def __init__(self, dic, rawdata, decipher=None):
|
|
|
|
length = int_value(dic.get('Length', 0))
|
|
|
|
eol = rawdata[length:]
|
|
|
|
# quick and dirty fix for false length attribute,
|
|
|
|
# might not work if the pdf stream parser has a problem
|
|
|
|
if decipher != None and decipher.__name__ == 'decrypt_aes':
|
|
|
|
if (len(rawdata) % 16) != 0:
|
|
|
|
cutdiv = len(rawdata) // 16
|
|
|
|
rawdata = rawdata[:16*cutdiv]
|
|
|
|
else:
|
|
|
|
if eol in ('\r', '\n', '\r\n'):
|
|
|
|
rawdata = rawdata[:length]
|
|
|
|
|
|
|
|
self.dic = dic
|
|
|
|
self.rawdata = rawdata
|
|
|
|
self.decipher = decipher
|
|
|
|
self.data = None
|
|
|
|
self.decdata = None
|
|
|
|
self.objid = None
|
|
|
|
self.genno = None
|
|
|
|
return
|
|
|
|
|
|
|
|
def set_objid(self, objid, genno):
|
|
|
|
self.objid = objid
|
|
|
|
self.genno = genno
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
if self.rawdata:
|
|
|
|
return '<PDFStream(%r): raw=%d, %r>' % \
|
|
|
|
(self.objid, len(self.rawdata), self.dic)
|
|
|
|
else:
|
|
|
|
return '<PDFStream(%r): data=%d, %r>' % \
|
|
|
|
(self.objid, len(self.data), self.dic)
|
|
|
|
|
|
|
|
def decode(self):
|
|
|
|
assert self.data is None and self.rawdata is not None
|
|
|
|
data = self.rawdata
|
|
|
|
if self.decipher:
|
|
|
|
# Handle encryption
|
|
|
|
data = self.decipher(self.objid, self.genno, data)
|
|
|
|
if gen_xref_stm:
|
|
|
|
self.decdata = data # keep decrypted data
|
|
|
|
if 'Filter' not in self.dic:
|
|
|
|
self.data = data
|
|
|
|
self.rawdata = None
|
|
|
|
##print self.dict
|
|
|
|
return
|
|
|
|
filters = self.dic['Filter']
|
|
|
|
if not isinstance(filters, list):
|
|
|
|
filters = [ filters ]
|
|
|
|
for f in filters:
|
|
|
|
if f in LITERALS_FLATE_DECODE:
|
|
|
|
# will get errors if the document is encrypted.
|
|
|
|
data = zlib.decompress(data)
|
|
|
|
elif f in LITERALS_LZW_DECODE:
|
|
|
|
data = ''.join(LZWDecoder(StringIO(data)).run())
|
|
|
|
elif f in LITERALS_ASCII85_DECODE:
|
|
|
|
data = ascii85decode(data)
|
|
|
|
elif f == LITERAL_CRYPT:
|
|
|
|
raise PDFNotImplementedError('/Crypt filter is unsupported')
|
|
|
|
else:
|
|
|
|
raise PDFNotImplementedError('Unsupported filter: %r' % f)
|
|
|
|
# apply predictors
|
|
|
|
if 'DP' in self.dic:
|
|
|
|
params = self.dic['DP']
|
|
|
|
else:
|
|
|
|
params = self.dic.get('DecodeParms', {})
|
|
|
|
if 'Predictor' in params:
|
|
|
|
pred = int_value(params['Predictor'])
|
|
|
|
if pred:
|
|
|
|
if pred != 12:
|
|
|
|
raise PDFNotImplementedError(
|
|
|
|
'Unsupported predictor: %r' % pred)
|
|
|
|
if 'Columns' not in params:
|
|
|
|
raise PDFValueError(
|
|
|
|
'Columns undefined for predictor=12')
|
|
|
|
columns = int_value(params['Columns'])
|
|
|
|
buf = ''
|
|
|
|
ent0 = '\x00' * columns
|
|
|
|
for i in xrange(0, len(data), columns+1):
|
|
|
|
pred = data[i]
|
|
|
|
ent1 = data[i+1:i+1+columns]
|
|
|
|
if pred == '\x02':
|
|
|
|
ent1 = ''.join(chr((ord(a)+ord(b)) & 255) \
|
|
|
|
for (a,b) in zip(ent0,ent1))
|
|
|
|
buf += ent1
|
|
|
|
ent0 = ent1
|
|
|
|
data = buf
|
|
|
|
self.data = data
|
|
|
|
self.rawdata = None
|
|
|
|
return
|
|
|
|
|
|
|
|
def get_data(self):
|
|
|
|
if self.data is None:
|
|
|
|
self.decode()
|
|
|
|
return self.data
|
|
|
|
|
|
|
|
def get_rawdata(self):
|
|
|
|
return self.rawdata
|
|
|
|
|
|
|
|
def get_decdata(self):
|
|
|
|
if self.decdata is not None:
|
|
|
|
return self.decdata
|
|
|
|
data = self.rawdata
|
|
|
|
if self.decipher and data:
|
|
|
|
# Handle encryption
|
|
|
|
data = self.decipher(self.objid, self.genno, data)
|
|
|
|
return data
|
|
|
|
|
|
|
|
|
|
|
|
## PDF Exceptions
|
|
|
|
##
|
|
|
|
class PDFSyntaxError(PDFException): pass
|
|
|
|
class PDFNoValidXRef(PDFSyntaxError): pass
|
|
|
|
class PDFEncryptionError(PDFException): pass
|
|
|
|
class PDFPasswordIncorrect(PDFEncryptionError): pass
|
|
|
|
|
|
|
|
# some predefined literals and keywords.
|
|
|
|
LITERAL_OBJSTM = PSLiteralTable.intern('ObjStm')
|
|
|
|
LITERAL_XREF = PSLiteralTable.intern('XRef')
|
|
|
|
LITERAL_PAGE = PSLiteralTable.intern('Page')
|
|
|
|
LITERAL_PAGES = PSLiteralTable.intern('Pages')
|
|
|
|
LITERAL_CATALOG = PSLiteralTable.intern('Catalog')
|
|
|
|
|
|
|
|
|
|
|
|
## XRefs
|
|
|
|
##
|
|
|
|
|
|
|
|
## PDFXRef
|
|
|
|
##
|
|
|
|
class PDFXRef(object):
|
|
|
|
|
|
|
|
def __init__(self):
|
|
|
|
self.offsets = None
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
return '<PDFXRef: objs=%d>' % len(self.offsets)
|
|
|
|
|
|
|
|
def objids(self):
|
|
|
|
return self.offsets.iterkeys()
|
|
|
|
|
|
|
|
def load(self, parser):
|
|
|
|
self.offsets = {}
|
|
|
|
while 1:
|
|
|
|
try:
|
|
|
|
(pos, line) = parser.nextline()
|
|
|
|
except PSEOF:
|
|
|
|
raise PDFNoValidXRef('Unexpected EOF - file corrupted?')
|
|
|
|
if not line:
|
|
|
|
raise PDFNoValidXRef('Premature eof: %r' % parser)
|
|
|
|
if line.startswith('trailer'):
|
|
|
|
parser.seek(pos)
|
|
|
|
break
|
|
|
|
f = line.strip().split(' ')
|
|
|
|
if len(f) != 2:
|
|
|
|
raise PDFNoValidXRef('Trailer not found: %r: line=%r' % (parser, line))
|
|
|
|
try:
|
|
|
|
(start, nobjs) = map(int, f)
|
|
|
|
except ValueError:
|
|
|
|
raise PDFNoValidXRef('Invalid line: %r: line=%r' % (parser, line))
|
|
|
|
for objid in xrange(start, start+nobjs):
|
|
|
|
try:
|
|
|
|
(_, line) = parser.nextline()
|
|
|
|
except PSEOF:
|
|
|
|
raise PDFNoValidXRef('Unexpected EOF - file corrupted?')
|
|
|
|
f = line.strip().split(' ')
|
|
|
|
if len(f) != 3:
|
|
|
|
raise PDFNoValidXRef('Invalid XRef format: %r, line=%r' % (parser, line))
|
|
|
|
(pos, genno, use) = f
|
|
|
|
if use != 'n': continue
|
|
|
|
self.offsets[objid] = (int(genno), int(pos))
|
|
|
|
self.load_trailer(parser)
|
|
|
|
return
|
|
|
|
|
|
|
|
KEYWORD_TRAILER = PSKeywordTable.intern('trailer')
|
|
|
|
def load_trailer(self, parser):
|
|
|
|
try:
|
|
|
|
(_,kwd) = parser.nexttoken()
|
|
|
|
assert kwd is self.KEYWORD_TRAILER
|
|
|
|
(_,dic) = parser.nextobject(direct=True)
|
|
|
|
except PSEOF:
|
|
|
|
x = parser.pop(1)
|
|
|
|
if not x:
|
|
|
|
raise PDFNoValidXRef('Unexpected EOF - file corrupted')
|
|
|
|
(_,dic) = x[0]
|
|
|
|
self.trailer = dict_value(dic)
|
|
|
|
return
|
|
|
|
|
|
|
|
def getpos(self, objid):
|
|
|
|
try:
|
|
|
|
(genno, pos) = self.offsets[objid]
|
|
|
|
except KeyError:
|
|
|
|
raise
|
|
|
|
return (None, pos)
|
|
|
|
|
|
|
|
|
|
|
|
## PDFXRefStream
|
|
|
|
##
|
|
|
|
class PDFXRefStream(object):
|
|
|
|
|
|
|
|
def __init__(self):
|
|
|
|
self.index = None
|
|
|
|
self.data = None
|
|
|
|
self.entlen = None
|
|
|
|
self.fl1 = self.fl2 = self.fl3 = None
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
return '<PDFXRef: objids=%s>' % self.index
|
|
|
|
|
|
|
|
def objids(self):
|
|
|
|
for first, size in self.index:
|
|
|
|
for objid in xrange(first, first + size):
|
|
|
|
yield objid
|
|
|
|
|
|
|
|
def load(self, parser, debug=0):
|
|
|
|
(_,objid) = parser.nexttoken() # ignored
|
|
|
|
(_,genno) = parser.nexttoken() # ignored
|
|
|
|
(_,kwd) = parser.nexttoken()
|
|
|
|
(_,stream) = parser.nextobject()
|
|
|
|
if not isinstance(stream, PDFStream) or \
|
|
|
|
stream.dic['Type'] is not LITERAL_XREF:
|
|
|
|
raise PDFNoValidXRef('Invalid PDF stream spec.')
|
|
|
|
size = stream.dic['Size']
|
|
|
|
index = stream.dic.get('Index', (0,size))
|
|
|
|
self.index = zip(islice(index, 0, None, 2),
|
|
|
|
islice(index, 1, None, 2))
|
|
|
|
(self.fl1, self.fl2, self.fl3) = stream.dic['W']
|
|
|
|
self.data = stream.get_data()
|
|
|
|
self.entlen = self.fl1+self.fl2+self.fl3
|
|
|
|
self.trailer = stream.dic
|
|
|
|
return
|
|
|
|
|
|
|
|
def getpos(self, objid):
|
|
|
|
offset = 0
|
|
|
|
for first, size in self.index:
|
|
|
|
if first <= objid and objid < (first + size):
|
|
|
|
break
|
|
|
|
offset += size
|
|
|
|
else:
|
|
|
|
raise KeyError(objid)
|
|
|
|
i = self.entlen * ((objid - first) + offset)
|
|
|
|
ent = self.data[i:i+self.entlen]
|
|
|
|
f1 = nunpack(ent[:self.fl1], 1)
|
|
|
|
if f1 == 1:
|
|
|
|
pos = nunpack(ent[self.fl1:self.fl1+self.fl2])
|
|
|
|
genno = nunpack(ent[self.fl1+self.fl2:])
|
|
|
|
return (None, pos)
|
|
|
|
elif f1 == 2:
|
|
|
|
objid = nunpack(ent[self.fl1:self.fl1+self.fl2])
|
|
|
|
index = nunpack(ent[self.fl1+self.fl2:])
|
|
|
|
return (objid, index)
|
|
|
|
# this is a free object
|
|
|
|
raise KeyError(objid)
|
|
|
|
|
|
|
|
|
|
|
|
## PDFDocument
|
|
|
|
##
|
|
|
|
## A PDFDocument object represents a PDF document.
|
|
|
|
## Since a PDF file is usually pretty big, normally it is not loaded
|
|
|
|
## at once. Rather it is parsed dynamically as processing goes.
|
|
|
|
## A PDF parser is associated with the document.
|
|
|
|
##
|
|
|
|
class PDFDocument(object):
|
|
|
|
|
|
|
|
def __init__(self):
|
|
|
|
self.xrefs = []
|
|
|
|
self.objs = {}
|
|
|
|
self.parsed_objs = {}
|
|
|
|
self.root = None
|
|
|
|
self.catalog = None
|
|
|
|
self.parser = None
|
|
|
|
self.encryption = None
|
|
|
|
self.decipher = None
|
|
|
|
# dictionaries for fileopen
|
|
|
|
self.fileopen = {}
|
|
|
|
self.urlresult = {}
|
|
|
|
self.ready = False
|
|
|
|
return
|
|
|
|
|
|
|
|
# set_parser(parser)
|
|
|
|
# Associates the document with an (already initialized) parser object.
|
|
|
|
def set_parser(self, parser):
|
|
|
|
if self.parser: return
|
|
|
|
self.parser = parser
|
|
|
|
# The document is set to be temporarily ready during collecting
|
|
|
|
# all the basic information about the document, e.g.
|
|
|
|
# the header, the encryption information, and the access rights
|
|
|
|
# for the document.
|
|
|
|
self.ready = True
|
|
|
|
# Retrieve the information of each header that was appended
|
|
|
|
# (maybe multiple times) at the end of the document.
|
|
|
|
self.xrefs = parser.read_xref()
|
|
|
|
for xref in self.xrefs:
|
|
|
|
trailer = xref.trailer
|
|
|
|
if not trailer: continue
|
|
|
|
|
|
|
|
# If there's an encryption info, remember it.
|
|
|
|
if 'Encrypt' in trailer:
|
|
|
|
#assert not self.encryption
|
|
|
|
try:
|
|
|
|
self.encryption = (list_value(trailer['ID']),
|
|
|
|
dict_value(trailer['Encrypt']))
|
|
|
|
# fix for bad files
|
|
|
|
except:
|
|
|
|
self.encryption = ('ffffffffffffffffffffffffffffffffffff',
|
|
|
|
dict_value(trailer['Encrypt']))
|
|
|
|
if 'Root' in trailer:
|
|
|
|
self.set_root(dict_value(trailer['Root']))
|
|
|
|
break
|
|
|
|
else:
|
|
|
|
raise PDFSyntaxError('No /Root object! - Is this really a PDF?')
|
|
|
|
# The document is set to be non-ready again, until all the
|
|
|
|
# proper initialization (asking the password key and
|
|
|
|
# verifying the access permission, so on) is finished.
|
|
|
|
self.ready = False
|
|
|
|
return
|
|
|
|
|
|
|
|
# set_root(root)
|
|
|
|
# Set the Root dictionary of the document.
|
|
|
|
# Each PDF file must have exactly one /Root dictionary.
|
|
|
|
def set_root(self, root):
|
|
|
|
self.root = root
|
|
|
|
self.catalog = dict_value(self.root)
|
|
|
|
if self.catalog.get('Type') is not LITERAL_CATALOG:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('Catalog not found!')
|
|
|
|
return
|
|
|
|
# initialize(password='')
|
|
|
|
# Perform the initialization with a given password.
|
|
|
|
# This step is mandatory even if there's no password associated
|
|
|
|
# with the document.
|
|
|
|
def initialize(self, password=''):
|
|
|
|
if not self.encryption:
|
|
|
|
self.is_printable = self.is_modifiable = self.is_extractable = True
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
(docid, param) = self.encryption
|
|
|
|
type = literal_name(param['Filter'])
|
|
|
|
if type == 'Adobe.APS':
|
|
|
|
return self.initialize_adobe_ps(password, docid, param)
|
|
|
|
if type == 'Standard':
|
|
|
|
return self.initialize_standard(password, docid, param)
|
|
|
|
if type == 'EBX_HANDLER':
|
|
|
|
return self.initialize_ebx(password, docid, param)
|
|
|
|
if type == 'FOPN_fLock':
|
|
|
|
# remove of unnecessairy password attribute
|
|
|
|
return self.initialize_fopn_flock(docid, param)
|
|
|
|
if type == 'FOPN_foweb':
|
|
|
|
# remove of unnecessairy password attribute
|
|
|
|
return self.initialize_fopn(docid, param)
|
|
|
|
raise PDFEncryptionError('Unknown filter: param=%r' % param)
|
|
|
|
|
|
|
|
def initialize_adobe_ps(self, password, docid, param):
|
|
|
|
global KEYFILEPATH
|
|
|
|
self.decrypt_key = self.genkey_adobe_ps(param)
|
|
|
|
self.genkey = self.genkey_v4
|
|
|
|
self.decipher = self.decrypt_aes
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
|
|
|
|
def getPrincipalKey(self, k=None, url=None, referer=None):
|
|
|
|
if url == None:
|
|
|
|
url="ssl://edc.bibliothek-digital.de/edcws/services/urn:EDCLicenseService"
|
|
|
|
data1='<?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SO'+\
|
|
|
|
'AP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http'+\
|
|
|
|
'://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/'+\
|
|
|
|
'XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns1="'+\
|
|
|
|
'http://edc.adobe.com/edcwebservice" xmlns:impl="http://localhost:8080/axis/s'+\
|
|
|
|
'ervices/urn:EDCLicenseService" xmlns:ns2="http://common.edc.adobe.com" xmlns:ns1="'+\
|
|
|
|
'http://ns.adobe.com/PolicyServer/ws"><SOAP-ENV:Header><EDCSecurity><wsse:Security '+\
|
|
|
|
'xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-'+\
|
|
|
|
'1.0.xsd"><wsse:UsernameToken><wsse:Username>edc_anonymous</wsse:Username&'+\
|
|
|
|
'gt;<wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-'+\
|
|
|
|
'token-profile-1.0#PasswordText">edc_anonymous</wsse:Password></wsse:UsernameToken&'+\
|
|
|
|
'gt;</wsse:Security></EDCSecurity><Version>7</Version><Locale>de-de</Locale></SOAP-ENV:Header>'+\
|
|
|
|
'<SOAP-ENV:Body><impl:synchronize><SynchronizationRequest><firstTime>1</firstTime><licenseSeqNum>0</'+\
|
|
|
|
'licenseSeqNum><policySeqNum>1</policySeqNum><revocationSeqNum>0</revocationSeqNum><'+\
|
|
|
|
'watermarkTemplateSeqNum>0</watermarkTemplateSeqNum></SynchronizationRequest></'+\
|
|
|
|
'impl:synchronize></SOAP-ENV:Body></SOAP-ENV:Envelope>'
|
|
|
|
if k not in url[:40]:
|
|
|
|
return None
|
|
|
|
#~ extract host and path:
|
|
|
|
host=re.compile(r'[a-zA-Z]://([^/]+)/.+', re.I).search(url).group(1)
|
|
|
|
urlpath=re.compile(r'[a-zA-Z]://[^/]+(/.+)', re.I).search(url).group(1)
|
|
|
|
|
|
|
|
# open a socket connection on port 80
|
|
|
|
|
|
|
|
conn = httplib.HTTPSConnection(host, 443)
|
|
|
|
|
|
|
|
#~ Headers for request
|
|
|
|
headers={"Accept": "*/*", "Host": host, "User-Agent": "Mozilla/3.0 (compatible; Acrobat EDC SOAP 1.0)",
|
|
|
|
"Content-Type": "text/xml; charset=utf-8", "Cache-Control": "no-cache", "SOAPAction": ""}
|
|
|
|
|
|
|
|
# send data1 and headers
|
|
|
|
try:
|
|
|
|
conn.request("POST", urlpath, data1, headers)
|
|
|
|
except:
|
|
|
|
raise ADEPTError("Could not post request to '"+host+"'.")
|
|
|
|
|
|
|
|
# read respose
|
|
|
|
try:
|
|
|
|
response = conn.getresponse()
|
|
|
|
responsedata=response.read()
|
|
|
|
except:
|
|
|
|
raise ADEPTError("Could not read response from '"+host+"'.")
|
|
|
|
|
|
|
|
# close connection
|
|
|
|
conn.close()
|
|
|
|
|
|
|
|
try:
|
|
|
|
key=re.compile(r'PricipalKey"((?!<key>).)*<key[^>]*>(((?!</key>).)*)</key>', re.I).search(responsedata).group(2)
|
|
|
|
|
|
|
|
except :
|
|
|
|
key=None
|
|
|
|
return key
|
|
|
|
|
|
|
|
def genkey_adobe_ps(self, param):
|
|
|
|
# nice little offline principal keys dictionary
|
|
|
|
principalkeys = { 'bibliothek-digital.de': 'Dzqx8McQUNd2CDzBVmtnweUxVWlqJTMqyYtiDIc4dZI='.decode('base64')}
|
|
|
|
for k, v in principalkeys.iteritems():
|
|
|
|
result = self.getPrincipalKey(k)
|
|
|
|
#print result
|
|
|
|
if result != None:
|
|
|
|
principalkeys[k] = result.decode('base64')
|
|
|
|
else:
|
|
|
|
raise ADEPTError("No (Online) PrincipalKey found.")
|
|
|
|
|
|
|
|
self.is_printable = self.is_modifiable = self.is_extractable = True
|
|
|
|
## print 'keyvalue'
|
|
|
|
## print len(keyvalue)
|
|
|
|
## print keyvalue.encode('hex')
|
|
|
|
length = int_value(param.get('Length', 0)) / 8
|
|
|
|
edcdata = str_value(param.get('EDCData')).decode('base64')
|
|
|
|
pdrllic = str_value(param.get('PDRLLic')).decode('base64')
|
|
|
|
pdrlpol = str_value(param.get('PDRLPol')).decode('base64')
|
|
|
|
#print 'ecd rights'
|
|
|
|
edclist = []
|
|
|
|
for pair in edcdata.split('\n'):
|
|
|
|
edclist.append(pair)
|
|
|
|
## print edclist
|
|
|
|
## print 'edcdata decrypted'
|
|
|
|
## print edclist[0].decode('base64').encode('hex')
|
|
|
|
## print edclist[1].decode('base64').encode('hex')
|
|
|
|
## print edclist[2].decode('base64').encode('hex')
|
|
|
|
## print edclist[3].decode('base64').encode('hex')
|
|
|
|
## print 'offlinekey'
|
|
|
|
## print len(edclist[9].decode('base64'))
|
|
|
|
## print pdrllic
|
|
|
|
# principal key request
|
|
|
|
for key in principalkeys:
|
|
|
|
if key in pdrllic:
|
|
|
|
principalkey = principalkeys[key]
|
|
|
|
else:
|
|
|
|
raise ADEPTError('Cannot find principal key for this pdf')
|
|
|
|
## print 'minorversion'
|
|
|
|
## print int(edclist[8])
|
|
|
|
# fix for minor version
|
|
|
|
## minorversion = int(edclist[8]) - 100
|
|
|
|
## if minorversion < 1:
|
|
|
|
## minorversion = 1
|
|
|
|
## print int(minorversion)
|
|
|
|
shakey = SHA256.new()
|
|
|
|
shakey.update(principalkey)
|
|
|
|
## for i in range(0,minorversion):
|
|
|
|
## shakey.update(principalkey)
|
|
|
|
shakey = shakey.digest()
|
|
|
|
## shakey = SHA256.new(principalkey).digest()
|
|
|
|
ivector = 16 * chr(0)
|
|
|
|
#print shakey
|
|
|
|
plaintext = AES.new(shakey,AES.MODE_CBC,ivector).decrypt(edclist[9].decode('base64'))
|
|
|
|
if plaintext[-16:] != 16 * chr(16):
|
|
|
|
raise ADEPTError('Offlinekey cannot be decrypted, aborting (hint: redownload pdf) ...')
|
|
|
|
pdrlpol = AES.new(plaintext[16:32],AES.MODE_CBC,edclist[2].decode('base64')).decrypt(pdrlpol)
|
|
|
|
if ord(pdrlpol[-1]) < 1 or ord(pdrlpol[-1]) > 16:
|
|
|
|
raise ADEPTError('Could not decrypt PDRLPol, aborting ...')
|
|
|
|
else:
|
|
|
|
cutter = -1 * ord(pdrlpol[-1])
|
|
|
|
#print cutter
|
|
|
|
pdrlpol = pdrlpol[:cutter]
|
|
|
|
#print plaintext.encode('hex')
|
|
|
|
#print 'pdrlpol'
|
|
|
|
#print pdrlpol
|
|
|
|
return plaintext[:16]
|
|
|
|
|
|
|
|
PASSWORD_PADDING = '(\xbfN^Nu\x8aAd\x00NV\xff\xfa\x01\x08..' \
|
|
|
|
'\x00\xb6\xd0h>\x80/\x0c\xa9\xfedSiz'
|
|
|
|
# experimental aes pw support
|
|
|
|
def initialize_standard(self, password, docid, param):
|
|
|
|
# copy from a global variable
|
|
|
|
V = int_value(param.get('V', 0))
|
|
|
|
if (V <=0 or V > 4):
|
|
|
|
raise PDFEncryptionError('Unknown algorithm: param=%r' % param)
|
|
|
|
length = int_value(param.get('Length', 40)) # Key length (bits)
|
|
|
|
O = str_value(param['O'])
|
|
|
|
R = int_value(param['R']) # Revision
|
|
|
|
if 5 <= R:
|
|
|
|
raise PDFEncryptionError('Unknown revision: %r' % R)
|
|
|
|
U = str_value(param['U'])
|
|
|
|
P = int_value(param['P'])
|
|
|
|
try:
|
|
|
|
EncMetadata = str_value(param['EncryptMetadata'])
|
|
|
|
except:
|
|
|
|
EncMetadata = 'True'
|
|
|
|
self.is_printable = bool(P & 4)
|
|
|
|
self.is_modifiable = bool(P & 8)
|
|
|
|
self.is_extractable = bool(P & 16)
|
|
|
|
self.is_annotationable = bool(P & 32)
|
|
|
|
self.is_formsenabled = bool(P & 256)
|
|
|
|
self.is_textextractable = bool(P & 512)
|
|
|
|
self.is_assemblable = bool(P & 1024)
|
|
|
|
self.is_formprintable = bool(P & 2048)
|
|
|
|
# Algorithm 3.2
|
|
|
|
password = (password+self.PASSWORD_PADDING)[:32] # 1
|
|
|
|
hash = hashlib.md5(password) # 2
|
|
|
|
hash.update(O) # 3
|
|
|
|
hash.update(struct.pack('<l', P)) # 4
|
|
|
|
hash.update(docid[0]) # 5
|
|
|
|
# aes special handling if metadata isn't encrypted
|
|
|
|
if EncMetadata == ('False' or 'false'):
|
|
|
|
hash.update('ffffffff'.decode('hex'))
|
|
|
|
# 6
|
|
|
|
## raise PDFNotImplementedError(
|
|
|
|
## 'Revision 4 encryption is currently unsupported')
|
|
|
|
if 5 <= R:
|
|
|
|
# 8
|
|
|
|
for _ in xrange(50):
|
|
|
|
hash = hashlib.md5(hash.digest()[:length/8])
|
|
|
|
key = hash.digest()[:length/8]
|
|
|
|
if R == 2:
|
|
|
|
# Algorithm 3.4
|
|
|
|
u1 = ARC4.new(key).decrypt(password)
|
|
|
|
elif R >= 3:
|
|
|
|
# Algorithm 3.5
|
|
|
|
hash = hashlib.md5(self.PASSWORD_PADDING) # 2
|
|
|
|
hash.update(docid[0]) # 3
|
|
|
|
x = ARC4.new(key).decrypt(hash.digest()[:16]) # 4
|
|
|
|
for i in xrange(1,19+1):
|
|
|
|
k = ''.join( chr(ord(c) ^ i) for c in key )
|
|
|
|
x = ARC4.new(k).decrypt(x)
|
|
|
|
u1 = x+x # 32bytes total
|
|
|
|
if R == 2:
|
|
|
|
is_authenticated = (u1 == U)
|
|
|
|
else:
|
|
|
|
is_authenticated = (u1[:16] == U[:16])
|
|
|
|
if not is_authenticated:
|
|
|
|
raise ADEPTError('Password is not correct.')
|
|
|
|
## raise PDFPasswordIncorrect
|
|
|
|
self.decrypt_key = key
|
|
|
|
# genkey method
|
|
|
|
if V == 1 or V == 2:
|
|
|
|
self.genkey = self.genkey_v2
|
|
|
|
elif V == 3:
|
|
|
|
self.genkey = self.genkey_v3
|
|
|
|
elif V == 4:
|
|
|
|
self.genkey = self.genkey_v2
|
|
|
|
#self.genkey = self.genkey_v3 if V == 3 else self.genkey_v2
|
|
|
|
# rc4
|
|
|
|
if V != 4:
|
|
|
|
self.decipher = self.decipher_rc4 # XXX may be AES
|
|
|
|
# aes
|
|
|
|
elif V == 4 and Length == 128:
|
|
|
|
elf.decipher = self.decipher_aes
|
|
|
|
elif V == 4 and Length == 256:
|
|
|
|
raise PDFNotImplementedError('AES256 encryption is currently unsupported')
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
|
|
|
|
def initialize_ebx(self, password, docid, param):
|
|
|
|
global KEYFILEPATH
|
|
|
|
self.is_printable = self.is_modifiable = self.is_extractable = True
|
|
|
|
# keyfile path is wrong
|
|
|
|
if KEYFILEPATH == False:
|
|
|
|
errortext = 'Cannot find adeptkey.der keyfile. Use ineptkey to generate it.'
|
|
|
|
raise ADEPTError(errortext)
|
|
|
|
with open(password, 'rb') as f:
|
|
|
|
keyder = f.read()
|
|
|
|
# KEYFILEPATH = ''
|
|
|
|
key = ASN1Parser([ord(x) for x in keyder])
|
|
|
|
key = [bytesToNumber(key.getChild(x).value) for x in xrange(1, 4)]
|
|
|
|
rsa = RSA.construct(key)
|
|
|
|
length = int_value(param.get('Length', 0)) / 8
|
|
|
|
rights = str_value(param.get('ADEPT_LICENSE')).decode('base64')
|
|
|
|
rights = zlib.decompress(rights, -15)
|
|
|
|
rights = etree.fromstring(rights)
|
|
|
|
expr = './/{http://ns.adobe.com/adept}encryptedKey'
|
|
|
|
bookkey = ''.join(rights.findtext(expr)).decode('base64')
|
|
|
|
bookkey = rsa.decrypt(bookkey)
|
|
|
|
if bookkey[0] != '\x02':
|
|
|
|
raise ADEPTError('error decrypting book session key')
|
|
|
|
index = bookkey.index('\0') + 1
|
|
|
|
bookkey = bookkey[index:]
|
|
|
|
ebx_V = int_value(param.get('V', 4))
|
|
|
|
ebx_type = int_value(param.get('EBX_ENCRYPTIONTYPE', 6))
|
|
|
|
# added because of the booktype / decryption book session key error
|
|
|
|
if ebx_V == 3:
|
|
|
|
V = 3
|
|
|
|
elif ebx_V < 4 or ebx_type < 6:
|
|
|
|
V = ord(bookkey[0])
|
|
|
|
bookkey = bookkey[1:]
|
|
|
|
else:
|
|
|
|
V = 2
|
|
|
|
if length and len(bookkey) != length:
|
|
|
|
raise ADEPTError('error decrypting book session key')
|
|
|
|
self.decrypt_key = bookkey
|
|
|
|
self.genkey = self.genkey_v3 if V == 3 else self.genkey_v2
|
|
|
|
self.decipher = self.decrypt_rc4
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
|
|
|
|
# fileopen support
|
|
|
|
def initialize_fopn_flock(self, docid, param):
|
|
|
|
raise ADEPTError('FOPN_fLock not supported, yet ...')
|
|
|
|
# debug mode processing
|
|
|
|
global DEBUG_MODE
|
|
|
|
global IVERSION
|
|
|
|
if DEBUG_MODE == True:
|
|
|
|
if os.access('.',os.W_OK) == True:
|
|
|
|
debugfile = open('ineptpdf-'+IVERSION+'-debug.txt','w')
|
|
|
|
else:
|
|
|
|
raise ADEPTError('Cannot write debug file, current directory is not writable')
|
|
|
|
self.is_printable = self.is_modifiable = self.is_extractable = True
|
|
|
|
# get parameters and add it to the fo dictionary
|
|
|
|
self.fileopen['V'] = int_value(param.get('V',2))
|
|
|
|
# crypt base
|
|
|
|
(docid, param) = self.encryption
|
|
|
|
#rights = dict_value(param['Info'])
|
|
|
|
rights = param['Info']
|
|
|
|
#print rights
|
|
|
|
if DEBUG_MODE == True: debugfile.write(rights + '\n\n')
|
|
|
|
## for pair in rights.split(';'):
|
|
|
|
## try:
|
|
|
|
## key, value = pair.split('=',1)
|
|
|
|
## self.fileopen[key] = value
|
|
|
|
## # fix for some misconfigured INFO variables
|
|
|
|
## except:
|
|
|
|
## pass
|
|
|
|
## kattr = { 'SVID': 'ServiceID', 'DUID': 'DocumentID', 'I3ID': 'Ident3ID', \
|
|
|
|
## 'I4ID': 'Ident4ID', 'VERS': 'EncrVer', 'PRID': 'USR'}
|
|
|
|
## for keys in kattr:
|
|
|
|
## try:
|
|
|
|
## self.fileopen[kattr[keys]] = self.fileopen[keys]
|
|
|
|
## del self.fileopen[keys]
|
|
|
|
## except:
|
|
|
|
## continue
|
|
|
|
# differentiate OS types
|
|
|
|
## sysplatform = sys.platform
|
|
|
|
## # if ostype is Windows
|
|
|
|
## if sysplatform=='win32':
|
|
|
|
## self.osuseragent = 'Windows NT 6.0'
|
|
|
|
## self.get_macaddress = self.get_win_macaddress
|
|
|
|
## self.fo_sethwids = self.fo_win_sethwids
|
|
|
|
## self.BrowserCookie = WinBrowserCookie
|
|
|
|
## elif sysplatform=='linux2':
|
|
|
|
## adeptout = 'Linux is not supported, yet.\n'
|
|
|
|
## raise ADEPTError(adeptout)
|
|
|
|
## self.osuseragent = 'Linux i686'
|
|
|
|
## self.get_macaddress = self.get_linux_macaddress
|
|
|
|
## self.fo_sethwids = self.fo_linux_sethwids
|
|
|
|
## else:
|
|
|
|
## adeptout = ''
|
|
|
|
## adeptout = adeptout + 'Due to various privacy violations from Apple\n'
|
|
|
|
## adeptout = adeptout + 'Mac OS X support is disabled by default.'
|
|
|
|
## raise ADEPTError(adeptout)
|
|
|
|
## # add static arguments for http/https request
|
|
|
|
## self.fo_setattributes()
|
|
|
|
## # add hardware specific arguments for http/https request
|
|
|
|
## self.fo_sethwids()
|
|
|
|
##
|
|
|
|
## if 'Code' in self.urlresult:
|
|
|
|
## if self.fileopen['Length'] == len(self.urlresult['Code']):
|
|
|
|
## self.decrypt_key = self.urlresult['Code']
|
|
|
|
## else:
|
|
|
|
## self.decrypt_key = self.urlresult['Code'].decode('hex')
|
|
|
|
## else:
|
|
|
|
## raise ADEPTError('Cannot find decryption key.')
|
|
|
|
self.decrypt_key = 'stuff'
|
|
|
|
self.genkey = self.genkey_v2
|
|
|
|
self.decipher = self.decrypt_rc4
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
|
|
|
|
def initialize_fopn(self, docid, param):
|
|
|
|
# debug mode processing
|
|
|
|
global DEBUG_MODE
|
|
|
|
global IVERSION
|
|
|
|
if DEBUG_MODE == True:
|
|
|
|
if os.access('.',os.W_OK) == True:
|
|
|
|
debugfile = open('ineptpdf-'+IVERSION+'-debug.txt','w')
|
|
|
|
else:
|
|
|
|
raise ADEPTError('Cannot write debug file, current directory is not writable')
|
|
|
|
self.is_printable = self.is_modifiable = self.is_extractable = True
|
|
|
|
# get parameters and add it to the fo dictionary
|
|
|
|
self.fileopen['Length'] = int_value(param.get('Length', 0)) / 8
|
|
|
|
self.fileopen['VEID'] = str_value(param.get('VEID'))
|
|
|
|
self.fileopen['BUILD'] = str_value(param.get('BUILD'))
|
|
|
|
self.fileopen['SVID'] = str_value(param.get('SVID'))
|
|
|
|
self.fileopen['DUID'] = str_value(param.get('DUID'))
|
|
|
|
self.fileopen['V'] = int_value(param.get('V',2))
|
|
|
|
# crypt base
|
|
|
|
rights = str_value(param.get('INFO')).decode('base64')
|
|
|
|
rights = self.genkey_fileopeninfo(rights)
|
|
|
|
if DEBUG_MODE == True: debugfile.write(rights + '\n\n')
|
|
|
|
for pair in rights.split(';'):
|
|
|
|
try:
|
|
|
|
key, value = pair.split('=',1)
|
|
|
|
self.fileopen[key] = value
|
|
|
|
# fix for some misconfigured INFO variables
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
kattr = { 'SVID': 'ServiceID', 'DUID': 'DocumentID', 'I3ID': 'Ident3ID', \
|
|
|
|
'I4ID': 'Ident4ID', 'VERS': 'EncrVer', 'PRID': 'USR'}
|
|
|
|
for keys in kattr:
|
|
|
|
# fishing some misconfigured slashs out of it
|
|
|
|
try:
|
|
|
|
self.fileopen[kattr[keys]] = urllib.quote(self.fileopen[keys],safe='')
|
|
|
|
del self.fileopen[keys]
|
|
|
|
except:
|
|
|
|
continue
|
|
|
|
# differentiate OS types
|
|
|
|
sysplatform = sys.platform
|
|
|
|
# if ostype is Windows
|
|
|
|
if sysplatform=='win32':
|
|
|
|
self.osuseragent = 'Windows NT 6.0'
|
|
|
|
self.get_macaddress = self.get_win_macaddress
|
|
|
|
self.fo_sethwids = self.fo_win_sethwids
|
|
|
|
self.BrowserCookie = WinBrowserCookie
|
|
|
|
elif sysplatform=='linux2':
|
|
|
|
adeptout = 'Linux is not supported, yet.\n'
|
|
|
|
raise ADEPTError(adeptout)
|
|
|
|
self.osuseragent = 'Linux i686'
|
|
|
|
self.get_macaddress = self.get_linux_macaddress
|
|
|
|
self.fo_sethwids = self.fo_linux_sethwids
|
|
|
|
else:
|
|
|
|
adeptout = ''
|
|
|
|
adeptout = adeptout + 'Mac OS X is not supported, yet.'
|
|
|
|
adeptout = adeptout + 'Read the blogs FAQs for more information'
|
|
|
|
raise ADEPTError(adeptout)
|
|
|
|
# add static arguments for http/https request
|
|
|
|
self.fo_setattributes()
|
|
|
|
# add hardware specific arguments for http/https request
|
|
|
|
self.fo_sethwids()
|
|
|
|
#if DEBUG_MODE == True: debugfile.write(self.fileopen)
|
|
|
|
if 'UURL' in self.fileopen:
|
|
|
|
buildurl = self.fileopen['UURL']
|
|
|
|
else:
|
|
|
|
buildurl = self.fileopen['PURL']
|
|
|
|
# fix for bad DPRM structure
|
|
|
|
if self.fileopen['DPRM'][0] != r'/':
|
|
|
|
self.fileopen['DPRM'] = r'/' + self.fileopen['DPRM']
|
|
|
|
# genius fix for bad server urls (IMHO)
|
|
|
|
if '?' in self.fileopen['DPRM']:
|
|
|
|
buildurl = buildurl + self.fileopen['DPRM'] + '&'
|
|
|
|
else:
|
|
|
|
buildurl = buildurl + self.fileopen['DPRM'] + '?'
|
|
|
|
|
|
|
|
# debug customization
|
|
|
|
#self.fileopen['Machine'] = ''
|
|
|
|
#self.fileopen['Disk'] = ''
|
|
|
|
|
|
|
|
|
|
|
|
surl = ( 'Stamp', 'Mode', 'USR', 'ServiceID', 'DocumentID',\
|
|
|
|
'Ident3ID', 'Ident4ID','DocStrFmt', 'OSType', 'OSName', 'OSData', 'Language',\
|
|
|
|
'LngLCID', 'LngRFC1766', 'LngISO4Char', 'Build', 'ProdVer', 'EncrVer',\
|
|
|
|
'Machine', 'Disk', 'Uuid', 'PrevMach', 'PrevDisk',\
|
|
|
|
'FormHFT',\
|
|
|
|
'SelServer', 'AcroVersion', 'AcroProduct', 'AcroReader',\
|
|
|
|
'AcroCanEdit', 'AcroPrefIDib', 'InBrowser', 'CliAppName',\
|
|
|
|
'DocIsLocal', 'DocPathUrl', 'VolName', 'VolType', 'VolSN',\
|
|
|
|
'FSName', 'FowpKbd', 'OSBuild',\
|
|
|
|
'RequestSchema')
|
|
|
|
|
|
|
|
#settings request and special modes
|
|
|
|
if 'EVER' in self.fileopen and float(self.fileopen['EVER']) < 3.8:
|
|
|
|
self.fileopen['Mode'] = 'ICx'
|
|
|
|
|
|
|
|
origurl = buildurl
|
|
|
|
buildurl = buildurl + 'Request=Setting'
|
|
|
|
for keys in surl:
|
|
|
|
try:
|
|
|
|
buildurl = buildurl + '&' + keys + '=' + self.fileopen[keys]
|
|
|
|
except:
|
|
|
|
continue
|
|
|
|
if DEBUG_MODE == True: debugfile.write( 'settings url:\n')
|
|
|
|
if DEBUG_MODE == True: debugfile.write( buildurl+'\n\n')
|
|
|
|
# custom user agent identification?
|
|
|
|
if 'AGEN' in self.fileopen:
|
|
|
|
useragent = self.fileopen['AGEN']
|
|
|
|
urllib.URLopener.version = useragent
|
|
|
|
# attribute doesn't exist - take the default user agent
|
|
|
|
else:
|
|
|
|
urllib.URLopener.version = self.osuseragent
|
|
|
|
# try to open the url
|
|
|
|
try:
|
|
|
|
u = urllib.urlopen(buildurl)
|
|
|
|
u.geturl()
|
|
|
|
result = u.read()
|
|
|
|
except:
|
|
|
|
raise ADEPTError('No internet connection or a blocking firewall!')
|
|
|
|
## finally:
|
|
|
|
## u.close()
|
|
|
|
# getting rid of the line feed
|
|
|
|
if DEBUG_MODE == True: debugfile.write('Settings'+'\n')
|
|
|
|
if DEBUG_MODE == True: debugfile.write(result+'\n\n')
|
|
|
|
#get rid of unnecessary characters
|
|
|
|
result = result.rstrip('\n')
|
|
|
|
result = result.rstrip(chr(13))
|
|
|
|
result = result.lstrip('\n')
|
|
|
|
result = result.lstrip(chr(13))
|
|
|
|
self.surlresult = {}
|
|
|
|
for pair in result.split('&'):
|
|
|
|
try:
|
|
|
|
key, value = pair.split('=',1)
|
|
|
|
# fix for bad server response
|
|
|
|
if key not in self.surlresult:
|
|
|
|
self.surlresult[key] = value
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
if 'RequestSchema' in self.surlresult:
|
|
|
|
self.fileopen['RequestSchema'] = self.surlresult['RequestSchema']
|
|
|
|
if 'ServerSessionData' in self.surlresult:
|
|
|
|
self.fileopen['ServerSessionData'] = self.surlresult['ServerSessionData']
|
|
|
|
if 'SetScope' in self.surlresult:
|
|
|
|
self.fileopen['RequestSchema'] = self.surlresult['SetScope']
|
|
|
|
#print self.surlresult
|
|
|
|
if 'RetVal' in self.surlresult and 'SEMO' not in self.fileopen and(('Reason' in self.surlresult and \
|
|
|
|
self.surlresult['Reason'] == 'AskUnp') or ('SetTarget' in self.surlresult and\
|
|
|
|
self.surlresult['SetTarget'] == 'UnpDlg')):
|
|
|
|
# get user and password dialog
|
|
|
|
try:
|
|
|
|
self.gen_pw_dialog(self.surlresult['UnpUiName'], self.surlresult['UnpUiPass'],\
|
|
|
|
self.surlresult['UnpUiTitle'], self.surlresult['UnpUiOk'],\
|
|
|
|
self.surlresult['UnpUiSunk'], self.surlresult['UnpUiComm'])
|
|
|
|
except:
|
|
|
|
self.gen_pw_dialog()
|
|
|
|
|
|
|
|
# the fileopen check might not be always right because of strange server responses
|
|
|
|
if 'SEMO' in self.fileopen and (self.fileopen['SEMO'] == '1'\
|
|
|
|
or self.fileopen['SEMO'] == '2') and ('CSES' in self.fileopen and\
|
|
|
|
self.fileopen['CSES'] != 'fileopen'):
|
|
|
|
# get the url name for the cookie(s)
|
|
|
|
if 'CURL' in self.fileopen:
|
|
|
|
self.surl = self.fileopen['CURL']
|
|
|
|
if 'CSES' in self.fileopen:
|
|
|
|
self.cses = self.fileopen['CSES']
|
|
|
|
elif 'PHOS' in self.fileopen:
|
|
|
|
self.surl = self.fileopen['PHOS']
|
|
|
|
elif 'LHOS' in self.fileopen:
|
|
|
|
self.surl = self.fileopen['LHOS']
|
|
|
|
else:
|
|
|
|
raise ADEPTError('unknown Cookie name.\n Check ineptpdf forum for further assistance')
|
|
|
|
self.pwfieldreq = 1
|
|
|
|
# session cookie processing
|
|
|
|
if self.fileopen['SEMO'] == '1':
|
|
|
|
cookies = self.BrowserCookie()
|
|
|
|
#print self.cses
|
|
|
|
#print self.surl
|
|
|
|
csession = cookies.getcookie(self.cses,self.surl)
|
|
|
|
if csession != None:
|
|
|
|
self.fileopen['Session'] = csession
|
|
|
|
self.gui = False
|
|
|
|
# fallback
|
|
|
|
else:
|
|
|
|
self.pwtk = Tkinter.Tk()
|
|
|
|
self.pwtk.title('Ineptpdf8')
|
|
|
|
self.pwtk.minsize(150, 0)
|
|
|
|
infotxt1 = 'Get the session cookie key manually (Firefox step-by-step:\n'+\
|
|
|
|
'Start Firefox -> Tools -> Options -> Privacy -> Show Cookies\n'+\
|
|
|
|
'-> Search for a cookie from ' + self.surl +' with the\n'+\
|
|
|
|
'name ' + self.cses +' and copy paste the content field in the\n'+\
|
|
|
|
'Session Content field. Remove possible spaces or new lines at the '+\
|
|
|
|
'end\n (cursor must be blinking right behind the last character)'
|
|
|
|
self.label0 = Tkinter.Label(self.pwtk, text=infotxt1)
|
|
|
|
self.label0.pack()
|
|
|
|
self.label1 = Tkinter.Label(self.pwtk, text="Session Content")
|
|
|
|
self.pwfieldreq = 0
|
|
|
|
self.gui = True
|
|
|
|
# user cookie processing
|
|
|
|
elif self.fileopen['SEMO'] == '2':
|
|
|
|
cookies = self.BrowserCookie()
|
|
|
|
#print self.cses
|
|
|
|
#print self.surl
|
|
|
|
name = cookies.getcookie('name',self.surl)
|
|
|
|
passw = cookies.getcookie('pass',self.surl)
|
|
|
|
if name != None or passw != None:
|
|
|
|
self.fileopen['UserName'] = urllib.quote(name)
|
|
|
|
self.fileopen['UserPass'] = urllib.quote(passw)
|
|
|
|
self.gui = False
|
|
|
|
# fallback
|
|
|
|
else:
|
|
|
|
self.pwtk = Tkinter.Tk()
|
|
|
|
self.pwtk.title('Ineptpdf8')
|
|
|
|
self.pwtk.minsize(150, 0)
|
|
|
|
self.label1 = Tkinter.Label(self.pwtk, text="Username")
|
|
|
|
infotxt1 = 'Get the user cookie keys manually (Firefox step-by-step:\n'+\
|
|
|
|
'Start Firefox -> Tools -> Options -> Privacy -> Show Cookies\n'+\
|
|
|
|
'-> Search for cookies from ' + self.surl +' with the\n'+\
|
|
|
|
'name name in the user field and copy paste the content field in the\n'+\
|
|
|
|
'username field. Do the same with the name pass in the password field).'
|
|
|
|
self.label0 = Tkinter.Label(self.pwtk, text=infotxt1)
|
|
|
|
self.label0.pack()
|
|
|
|
self.pwfieldreq = 1
|
|
|
|
self.gui = True
|
|
|
|
## else:
|
|
|
|
## self.pwtk = Tkinter.Tk()
|
|
|
|
## self.pwtk.title('Ineptpdf8')
|
|
|
|
## self.pwtk.minsize(150, 0)
|
|
|
|
## self.pwfieldreq = 0
|
|
|
|
## self.label1 = Tkinter.Label(self.pwtk, text="Username")
|
|
|
|
## self.pwfieldreq = 1
|
|
|
|
## self.gui = True
|
|
|
|
if self.gui == True:
|
|
|
|
self.un_entry = Tkinter.Entry(self.pwtk)
|
|
|
|
# cursor here
|
|
|
|
self.un_entry.focus()
|
|
|
|
self.label2 = Tkinter.Label(self.pwtk, text="Password")
|
|
|
|
self.pw_entry = Tkinter.Entry(self.pwtk, show="*")
|
|
|
|
self.button = Tkinter.Button(self.pwtk, text='Go for it!', command=self.fo_save_values)
|
|
|
|
# widget layout, stack vertical
|
|
|
|
self.label1.pack()
|
|
|
|
self.un_entry.pack()
|
|
|
|
# create a password label and field
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
self.label2.pack()
|
|
|
|
self.pw_entry.pack()
|
|
|
|
self.button.pack()
|
|
|
|
self.pwtk.update()
|
|
|
|
# start the event loop
|
|
|
|
self.pwtk.mainloop()
|
|
|
|
|
|
|
|
# original request
|
|
|
|
# drive through tupple for building the permission url
|
|
|
|
burl = ( 'Stamp', 'Mode', 'USR', 'ServiceID', 'DocumentID',\
|
|
|
|
'Ident3ID', 'Ident4ID','DocStrFmt', 'OSType', 'Language',\
|
|
|
|
'LngLCID', 'LngRFC1766', 'LngISO4Char', 'Build', 'ProdVer', 'EncrVer',\
|
|
|
|
'Machine', 'Disk', 'Uuid', 'PrevMach', 'PrevDisk', 'User', 'SaUser', 'SaSID',\
|
|
|
|
# special security measures
|
|
|
|
'HostIsDomain', 'PhysHostname', 'LogiHostname', 'SaRefDomain',\
|
|
|
|
'FormHFT', 'UserName', 'UserPass', 'Session', \
|
|
|
|
'SelServer', 'AcroVersion', 'AcroProduct', 'AcroReader',\
|
|
|
|
'AcroCanEdit', 'AcroPrefIDib', 'InBrowser', 'CliAppName',\
|
|
|
|
'DocIsLocal', 'DocPathUrl', 'VolName', 'VolType', 'VolSN',\
|
|
|
|
'FSName', 'ServerSessionData', 'FowpKbd', 'OSBuild', \
|
|
|
|
'DocumentSessionData', 'RequestSchema')
|
|
|
|
|
|
|
|
buildurl = origurl
|
|
|
|
buildurl = buildurl + 'Request=DocPerm'
|
|
|
|
for keys in burl:
|
|
|
|
try:
|
|
|
|
buildurl = buildurl + '&' + keys + '=' + self.fileopen[keys]
|
|
|
|
except:
|
|
|
|
continue
|
|
|
|
if DEBUG_MODE == True: debugfile.write('1st url:'+'\n')
|
|
|
|
if DEBUG_MODE == True: debugfile.write(buildurl+'\n\n')
|
|
|
|
# custom user agent identification?
|
|
|
|
if 'AGEN' in self.fileopen:
|
|
|
|
useragent = self.fileopen['AGEN']
|
|
|
|
urllib.URLopener.version = useragent
|
|
|
|
# attribute doesn't exist - take the default user agent
|
|
|
|
else:
|
|
|
|
urllib.URLopener.version = self.osuseragent
|
|
|
|
# try to open the url
|
|
|
|
try:
|
|
|
|
u = urllib.urlopen(buildurl)
|
|
|
|
u.geturl()
|
|
|
|
result = u.read()
|
|
|
|
except:
|
|
|
|
raise ADEPTError('No internet connection or a blocking firewall!')
|
|
|
|
## finally:
|
|
|
|
## u.close()
|
|
|
|
# getting rid of the line feed
|
|
|
|
if DEBUG_MODE == True: debugfile.write('1st preresult'+'\n')
|
|
|
|
if DEBUG_MODE == True: debugfile.write(result+'\n\n')
|
|
|
|
#get rid of unnecessary characters
|
|
|
|
result = result.rstrip('\n')
|
|
|
|
result = result.rstrip(chr(13))
|
|
|
|
result = result.lstrip('\n')
|
|
|
|
result = result.lstrip(chr(13))
|
|
|
|
self.urlresult = {}
|
|
|
|
for pair in result.split('&'):
|
|
|
|
try:
|
|
|
|
key, value = pair.split('=',1)
|
|
|
|
self.urlresult[key] = value
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
## if 'RequestSchema' in self.surlresult:
|
|
|
|
## self.fileopen['RequestSchema'] = self.urlresult['RequestSchema']
|
|
|
|
#self.urlresult
|
|
|
|
#result[0:8] == 'RetVal=1') or (result[0:8] == 'RetVal=2'):
|
|
|
|
if ('RetVal' in self.urlresult and (self.urlresult['RetVal'] != '1' and \
|
|
|
|
self.urlresult['RetVal'] != '2' and \
|
|
|
|
self.urlresult['RetVal'] != 'Update' and \
|
|
|
|
self.urlresult['RetVal'] != 'Answer')):
|
|
|
|
|
|
|
|
if ('Reason' in self.urlresult and (self.urlresult['Reason'] == 'BadUserPwd'\
|
|
|
|
or self.urlresult['Reason'] == 'AskUnp')) or ('SwitchTo' in self.urlresult\
|
|
|
|
and (self.urlresult['SwitchTo'] == 'Dialog')):
|
|
|
|
if 'ServerSessionData' in self.urlresult:
|
|
|
|
self.fileopen['ServerSessionData'] = self.urlresult['ServerSessionData']
|
|
|
|
if 'DocumentSessionData' in self.urlresult:
|
|
|
|
self.fileopen['DocumentSessionData'] = self.urlresult['DocumentSessionData']
|
|
|
|
buildurl = origurl
|
|
|
|
buildurl = buildurl + 'Request=DocPerm'
|
|
|
|
self.gen_pw_dialog()
|
|
|
|
# password not found - fallback
|
|
|
|
for keys in burl:
|
|
|
|
try:
|
|
|
|
buildurl = buildurl + '&' + keys + '=' + self.fileopen[keys]
|
|
|
|
except:
|
|
|
|
continue
|
|
|
|
if DEBUG_MODE == True: debugfile.write( '2ndurl:')
|
|
|
|
if DEBUG_MODE == True: debugfile.write( buildurl+'\n\n')
|
|
|
|
# try to open the url
|
|
|
|
try:
|
|
|
|
u = urllib.urlopen(buildurl)
|
|
|
|
u.geturl()
|
|
|
|
result = u.read()
|
|
|
|
except:
|
|
|
|
raise ADEPTError('No internet connection or a blocking firewall!')
|
|
|
|
# getting rid of the line feed
|
|
|
|
if DEBUG_MODE == True: debugfile.write( '2nd preresult')
|
|
|
|
if DEBUG_MODE == True: debugfile.write( result+'\n\n')
|
|
|
|
#get rid of unnecessary characters
|
|
|
|
result = result.rstrip('\n')
|
|
|
|
result = result.rstrip(chr(13))
|
|
|
|
result = result.lstrip('\n')
|
|
|
|
result = result.lstrip(chr(13))
|
|
|
|
self.urlresult = {}
|
|
|
|
for pair in result.split('&'):
|
|
|
|
try:
|
|
|
|
key, value = pair.split('=',1)
|
|
|
|
self.urlresult[key] = value
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
# did it work?
|
|
|
|
if ('RetVal' in self.urlresult and (self.urlresult['RetVal'] != '1' and \
|
|
|
|
self.urlresult['RetVal'] != '2' and
|
|
|
|
self.urlresult['RetVal'] != 'Update' and \
|
|
|
|
self.urlresult['RetVal'] != 'Answer')):
|
|
|
|
raise ADEPTError('Decryption was not successfull.\nReason: ' + self.urlresult['Error'])
|
|
|
|
# fix for non-standard-conform fileopen pdfs
|
|
|
|
## if self.fileopen['Length'] != 5 and self.fileopen['Length'] != 16:
|
|
|
|
## if self.fileopen['V'] == 1:
|
|
|
|
## self.fileopen['Length'] = 5
|
|
|
|
## else:
|
|
|
|
## self.fileopen['Length'] = 16
|
|
|
|
# patch for malformed pdfs
|
|
|
|
#print len(self.urlresult['Code'])
|
|
|
|
#print self.urlresult['Code'].encode('hex')
|
|
|
|
if 'code' in self.urlresult:
|
|
|
|
self.urlresult['Code'] = self.urlresult['code']
|
|
|
|
if 'Code' in self.urlresult:
|
|
|
|
if len(self.urlresult['Code']) == 5 or len(self.urlresult['Code']) == 16:
|
|
|
|
self.decrypt_key = self.urlresult['Code']
|
|
|
|
else:
|
|
|
|
self.decrypt_key = self.urlresult['Code'].decode('hex')
|
|
|
|
else:
|
|
|
|
raise ADEPTError('Cannot find decryption key.')
|
|
|
|
self.genkey = self.genkey_v2
|
|
|
|
self.decipher = self.decrypt_rc4
|
|
|
|
self.ready = True
|
|
|
|
return
|
|
|
|
|
|
|
|
def gen_pw_dialog(self, Username='Username', Password='Password', Title='User/Password Authentication',\
|
|
|
|
OK='Proceed', Text1='Authorization', Text2='Enter Required Data'):
|
|
|
|
self.pwtk = Tkinter.Tk()
|
|
|
|
self.pwtk.title(Title)
|
|
|
|
self.pwtk.minsize(150, 0)
|
|
|
|
self.label1 = Tkinter.Label(self.pwtk, text=Text1)
|
|
|
|
self.label2 = Tkinter.Label(self.pwtk, text=Text2)
|
|
|
|
self.label3 = Tkinter.Label(self.pwtk, text=Username)
|
|
|
|
self.pwfieldreq = 1
|
|
|
|
self.gui = True
|
|
|
|
self.un_entry = Tkinter.Entry(self.pwtk)
|
|
|
|
# cursor here
|
|
|
|
self.un_entry.focus()
|
|
|
|
self.label4 = Tkinter.Label(self.pwtk, text=Password)
|
|
|
|
self.pw_entry = Tkinter.Entry(self.pwtk, show="*")
|
|
|
|
self.button = Tkinter.Button(self.pwtk, text=OK, command=self.fo_save_values)
|
|
|
|
# widget layout, stack vertical
|
|
|
|
self.label1.pack()
|
|
|
|
self.label2.pack()
|
|
|
|
self.label3.pack()
|
|
|
|
self.un_entry.pack()
|
|
|
|
# create a password label and field
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
self.label4.pack()
|
|
|
|
self.pw_entry.pack()
|
|
|
|
self.button.pack()
|
|
|
|
self.pwtk.update()
|
|
|
|
# start the event loop
|
|
|
|
self.pwtk.mainloop()
|
|
|
|
|
|
|
|
# genkey functions
|
|
|
|
def genkey_v2(self, objid, genno):
|
|
|
|
objid = struct.pack('<L', objid)[:3]
|
|
|
|
genno = struct.pack('<L', genno)[:2]
|
|
|
|
key = self.decrypt_key + objid + genno
|
|
|
|
hash = hashlib.md5(key)
|
|
|
|
key = hash.digest()[:min(len(self.decrypt_key) + 5, 16)]
|
|
|
|
return key
|
|
|
|
|
|
|
|
def genkey_v3(self, objid, genno):
|
|
|
|
objid = struct.pack('<L', objid ^ 0x3569ac)
|
|
|
|
genno = struct.pack('<L', genno ^ 0xca96)
|
|
|
|
key = self.decrypt_key
|
|
|
|
key += objid[0] + genno[0] + objid[1] + genno[1] + objid[2] + 'sAlT'
|
|
|
|
hash = hashlib.md5(key)
|
|
|
|
key = hash.digest()[:min(len(self.decrypt_key) + 5, 16)]
|
|
|
|
return key
|
|
|
|
|
|
|
|
# aes v2 and v4 algorithm
|
|
|
|
def genkey_v4(self, objid, genno):
|
|
|
|
objid = struct.pack('<L', objid)[:3]
|
|
|
|
genno = struct.pack('<L', genno)[:2]
|
|
|
|
key = self.decrypt_key + objid + genno + 'sAlT'
|
|
|
|
hash = hashlib.md5(key)
|
|
|
|
key = hash.digest()[:min(len(self.decrypt_key) + 5, 16)]
|
|
|
|
return key
|
|
|
|
|
|
|
|
def decrypt_aes(self, objid, genno, data):
|
|
|
|
key = self.genkey(objid, genno)
|
|
|
|
ivector = data[:16]
|
|
|
|
data = data[16:]
|
|
|
|
plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
|
|
|
|
# remove pkcs#5 aes padding
|
|
|
|
cutter = -1 * ord(plaintext[-1])
|
|
|
|
#print cutter
|
|
|
|
plaintext = plaintext[:cutter]
|
|
|
|
return plaintext
|
|
|
|
|
|
|
|
def decrypt_aes256(self, objid, genno, data):
|
|
|
|
key = self.genkey(objid, genno)
|
|
|
|
ivector = data[:16]
|
|
|
|
data = data[16:]
|
|
|
|
plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
|
|
|
|
# remove pkcs#5 aes padding
|
|
|
|
cutter = -1 * ord(plaintext[-1])
|
|
|
|
#print cutter
|
|
|
|
plaintext = plaintext[:cutter]
|
|
|
|
return plaintext
|
|
|
|
|
|
|
|
def decrypt_rc4(self, objid, genno, data):
|
|
|
|
key = self.genkey(objid, genno)
|
|
|
|
return ARC4.new(key).decrypt(data)
|
|
|
|
|
|
|
|
# fileopen user/password dialog
|
|
|
|
def fo_save_values(self):
|
|
|
|
getout = 0
|
|
|
|
username = 0
|
|
|
|
password = 0
|
|
|
|
username = self.un_entry.get()
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
password = self.pw_entry.get()
|
|
|
|
un_length = len(username)
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
pw_length = len(password)
|
|
|
|
if (un_length != 0):
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
if (pw_length != 0):
|
|
|
|
getout = 1
|
|
|
|
else:
|
|
|
|
getout = 1
|
|
|
|
if getout == 1:
|
|
|
|
if 'SEMO' in self.fileopen and self.fileopen['SEMO'] == '1':
|
|
|
|
self.fileopen['Session'] = urllib.quote(username)
|
|
|
|
else:
|
|
|
|
self.fileopen['UserName'] = urllib.quote(username)
|
|
|
|
if self.pwfieldreq == 1:
|
|
|
|
self.fileopen['UserPass'] = urllib.quote(password)
|
|
|
|
else:
|
|
|
|
pass
|
|
|
|
#self.fileopen['UserPass'] = self.fileopen['UserName']
|
|
|
|
# doesn't always close the password window, who
|
|
|
|
# knows why (Tkinter secrets ;=))
|
|
|
|
self.pwtk.quit()
|
|
|
|
|
|
|
|
|
|
|
|
def fo_setattributes(self):
|
|
|
|
self.fileopen['Request']='DocPerm'
|
|
|
|
self.fileopen['Mode']='CNR'
|
|
|
|
self.fileopen['DocStrFmt']='ASCII'
|
|
|
|
self.fileopen['Language']='ENU'
|
|
|
|
self.fileopen['LngLCID']='ENU'
|
|
|
|
self.fileopen['LngRFC1766']='en'
|
|
|
|
self.fileopen['LngISO4Char']='en-us'
|
|
|
|
self.fileopen['ProdVer']='1.8.7.9'
|
|
|
|
self.fileopen['FormHFT']='Yes'
|
|
|
|
self.fileopen['SelServer']='Yes'
|
|
|
|
self.fileopen['AcroCanEdit']='Yes'
|
|
|
|
self.fileopen['AcroPrefIDib']='Yes'
|
|
|
|
self.fileopen['InBrowser']='Unk'
|
|
|
|
self.fileopen['CliAppName']=''
|
|
|
|
self.fileopen['DocIsLocal']='Yes'
|
|
|
|
self.fileopen['FowpKbd']='Yes'
|
|
|
|
self.fileopen['RequestSchema']='Default'
|
|
|
|
|
|
|
|
# get nic mac address
|
|
|
|
def get_linux_macaddress(self):
|
|
|
|
try:
|
|
|
|
for line in os.popen("/sbin/ifconfig"):
|
|
|
|
if line.find('Ether') > -1:
|
|
|
|
mac = line.split()[4]
|
|
|
|
break
|
|
|
|
return mac.replace(':','')
|
|
|
|
except:
|
|
|
|
raise ADEPTError('Cannot find MAC address. Get forum help.')
|
|
|
|
|
|
|
|
def get_win_macaddress(self):
|
|
|
|
try:
|
|
|
|
gasize = c_ulong(5000)
|
|
|
|
p = create_string_buffer(5000)
|
|
|
|
GetAdaptersInfo = windll.iphlpapi.GetAdaptersInfo
|
|
|
|
GetAdaptersInfo(byref(p),byref(gasize))
|
|
|
|
return p[0x194:0x19a].encode('hex')
|
|
|
|
except:
|
|
|
|
raise ADEPTError('Cannot find MAC address. Get forum help.')
|
|
|
|
|
|
|
|
# custom conversion 5 bytes to 8 chars method
|
|
|
|
def fo_convert5to8(self, edisk):
|
|
|
|
# byte to number/char mapping table
|
|
|
|
darray=[0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,0x45,\
|
|
|
|
0x46,0x47,0x48,0x4A,0x4B,0x4C,0x4D,0x4E,0x50,0x51,0x52,0x53,0x54,\
|
|
|
|
0x55,0x56,0x57,0x58,0x59,0x5A]
|
|
|
|
pdid = struct.pack('<I', int(edisk[0:4].encode("hex"),16))
|
|
|
|
pdid = int(pdid.encode("hex"),16)
|
|
|
|
outputhw = ''
|
|
|
|
# disk id processing
|
|
|
|
for i in range(0,6):
|
|
|
|
index = pdid & 0x1f
|
|
|
|
# shift the disk id 5 bits to the right
|
|
|
|
pdid = pdid >> 5
|
|
|
|
outputhw = outputhw + chr(darray[index])
|
|
|
|
pdid = (ord(edisk[4]) << 2)|pdid
|
|
|
|
# get the last 2 bits from the hwid + low part of the cpuid
|
|
|
|
for i in range(0,2):
|
|
|
|
index = pdid & 0x1f
|
|
|
|
# shift the disk id 5 bits to the right
|
|
|
|
pdid = pdid >> 5
|
|
|
|
outputhw = outputhw + chr(darray[index])
|
|
|
|
return outputhw
|
|
|
|
|
|
|
|
# Linux processing
|
|
|
|
def fo_linux_sethwids(self):
|
|
|
|
# linux specific attributes
|
|
|
|
self.fileopen['OSType']='Linux'
|
|
|
|
self.fileopen['AcroProduct']='AcroReader'
|
|
|
|
self.fileopen['AcroReader']='Yes'
|
|
|
|
self.fileopen['AcroVersion']='9.101'
|
|
|
|
self.fileopen['FSName']='ext3'
|
|
|
|
self.fileopen['Build']='878'
|
|
|
|
self.fileopen['ProdVer']='1.8.5.1'
|
|
|
|
self.fileopen['OSBuild']='2.6.33'
|
|
|
|
# write hardware keys
|
|
|
|
hwkey = 0
|
|
|
|
pmac = self.get_macaddress().decode("hex");
|
|
|
|
self.fileopen['Disk'] = self.fo_convert5to8(pmac[1:])
|
|
|
|
# get primary used default mac address
|
|
|
|
self.fileopen['Machine'] = self.fo_convert5to8(pmac[1:])
|
|
|
|
# get uuid
|
|
|
|
# check for reversed offline handler 6AB83F4Ah + AFh 6AB83F4Ah
|
|
|
|
if 'LILA' in self.fileopen:
|
|
|
|
pass
|
|
|
|
if 'Ident4ID' in self.fileopen:
|
|
|
|
self.fileopen['User'] = getpass.getuser()
|
|
|
|
self.fileopen['SaUser'] = getpass.getuser()
|
|
|
|
try:
|
|
|
|
cuser = winreg.HKEY_CURRENT_USER
|
|
|
|
FOW3_UUID = 'Software\\Fileopen'
|
|
|
|
regkey = winreg.OpenKey(cuser, FOW3_UUID)
|
|
|
|
userkey = winreg.QueryValueEx(regkey, 'Fowp3Uuid')[0]
|
|
|
|
# if self.genkey_cryptmach(userkey)[0:4] != 'ec20':
|
|
|
|
self.fileopen['Uuid'] = self.genkey_cryptmach(userkey)[4:]
|
|
|
|
## elif self.genkey_cryptmach(userkey)[0:4] != 'ec20':
|
|
|
|
## self.fileopen['Uuid'] = self.genkey_cryptmach(userkey,1)[4:]
|
|
|
|
## else:
|
|
|
|
except:
|
|
|
|
raise ADEPTError('Cannot find FowP3Uuid file - reason might be Adobe (Reader) X.'\
|
|
|
|
'Read the FAQs for more information how to solve the problem.')
|
|
|
|
else:
|
|
|
|
self.fileopen['Uuid'] = str(uuid.uuid1())
|
|
|
|
# get time stamp
|
|
|
|
self.fileopen['Stamp'] = str(time.time())[:-3]
|
|
|
|
# get fileopen input pdf name + path
|
|
|
|
self.fileopen['DocPathUrl'] = 'file%3a%2f%2f%2f'\
|
|
|
|
+ urllib.quote(os.path.normpath(INPUTFILEPATH))
|
|
|
|
# clear the link
|
|
|
|
#INPUTFILEPATH = ''
|
|
|
|
## # get volume name (urllib quote necessairy?) urllib.quote(
|
|
|
|
## self.fileopen['VolName'] = win32api.GetVolumeInformation("C:\\")[0]
|
|
|
|
## # get volume serial number
|
|
|
|
## self.fileopen['VolSN'] = str(win32api.GetVolumeInformation("C:\\")[1])
|
|
|
|
return
|
|
|
|
|
|
|
|
# Windows processing
|
|
|
|
def fo_win_sethwids(self):
|
|
|
|
# Windows specific attributes
|
|
|
|
self.fileopen['OSType']='Windows'
|
|
|
|
self.fileopen['OSName']='Vista'
|
|
|
|
self.fileopen['OSData']='Service%20Pack%204'
|
|
|
|
self.fileopen['AcroProduct']='Reader'
|
|
|
|
self.fileopen['AcroReader']='Yes'
|
|
|
|
self.fileopen['OSBuild']='7600'
|
|
|
|
self.fileopen['AcroVersion']='9.1024'
|
|
|
|
self.fileopen['Build']='879'
|
|
|
|
# write hardware keys
|
|
|
|
hwkey = 0
|
|
|
|
# get the os type and save it in ostype
|
|
|
|
try:
|
|
|
|
import win32api
|
|
|
|
import win32security
|
|
|
|
import win32file
|
|
|
|
except:
|
|
|
|
raise ADEPTError('PyWin Extension (Win32API module) needed.\n'+\
|
|
|
|
'Download from http://sourceforge.net/projects/pywin32/files/ ')
|
2021-01-14 01:44:16 +01:00
|
|
|
try:
|
|
|
|
import winreg
|
|
|
|
except ImportError:
|
|
|
|
import _winreg as winreg
|
2013-01-19 15:50:57 +01:00
|
|
|
try:
|
|
|
|
v0 = win32api.GetVolumeInformation('C:\\')
|
|
|
|
v1 = win32api.GetSystemInfo()[6]
|
|
|
|
# fix for possible negative integer (Python problem)
|
|
|
|
volserial = v0[1] & 0xffffffff
|
|
|
|
lowcpu = v1 & 255
|
|
|
|
highcpu = (v1 >> 8) & 255
|
|
|
|
# changed to int
|
|
|
|
volserial = struct.pack('<I', int(volserial))
|
|
|
|
lowcpu = struct.pack('B', lowcpu)
|
|
|
|
highcpu = struct.pack('B', highcpu)
|
|
|
|
encrypteddisk = volserial + lowcpu + highcpu
|
|
|
|
self.fileopen['Disk'] = self.fo_convert5to8(encrypteddisk)
|
|
|
|
except:
|
|
|
|
# no c system drive available empty disk attribute
|
|
|
|
self.fileopen['Disk'] = ''
|
|
|
|
# get primary used default mac address
|
|
|
|
pmac = self.get_macaddress().decode("hex");
|
|
|
|
self.fileopen['Machine'] = self.fo_convert5to8(pmac[1:])
|
|
|
|
if 'LIFF' in self.fileopen:
|
|
|
|
if 'Yes' in self.fileopen['LIFF']:
|
|
|
|
hostname = socket.gethostname()
|
|
|
|
self.fileopen['HostIsDomain']='Yes'
|
|
|
|
if '1' in self.fileopen['LIFF']:
|
|
|
|
self.fileopen['PhysHostname']= hostname
|
|
|
|
self.fileopen['LogiHostname']= hostname
|
|
|
|
self.fileopen['SaRefDomain']= hostname
|
|
|
|
# default users
|
|
|
|
self.user = win32api.GetUserName().lower()
|
|
|
|
self.sauser = win32api.GetUserName()
|
|
|
|
# get uuid
|
|
|
|
# check for reversed offline handler
|
|
|
|
if 'LILA' in self.fileopen and self.fileopen['LILA'] == 'Yes':
|
|
|
|
## self.fileopen['User'] = win32api.GetUserName().lower()
|
|
|
|
## self.fileopen['SaUser'] = win32api.GetUserName()
|
|
|
|
|
|
|
|
# get sid / sasid
|
|
|
|
try:
|
|
|
|
psid = win32security.LookupAccountName("",self.sauser)[0]
|
|
|
|
psid = win32security.ConvertSidToStringSid(psid)
|
|
|
|
self.fileopen['SaSID'] = psid
|
|
|
|
self.fileopen['User'] = urllib.quote(self.user)
|
|
|
|
self.fileopen['SaUser'] = urllib.quote(self.sauser)
|
|
|
|
# didn't work use a generic one
|
|
|
|
except:
|
|
|
|
self.fileopen['SaSID'] = 'S-1-5-21-1380067357-584463869-1343024091-1000'
|
|
|
|
#if 'Ident4d' in self.fileopen or 'LILA' in self.fileopen:
|
|
|
|
# always calculate the right uuid
|
|
|
|
userkey = []
|
|
|
|
try:
|
|
|
|
cuser = winreg.HKEY_CURRENT_USER
|
|
|
|
FOW3_UUID = 'Software\\Fileopen'
|
|
|
|
regkey = winreg.OpenKey(cuser, FOW3_UUID)
|
|
|
|
userkey.append(winreg.QueryValueEx(regkey, 'Fowp3Uuid')[0])
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
try:
|
|
|
|
fopath = os.environ['AppData']+'\\FileOpen\\'
|
|
|
|
fofilename = 'Fowpmadi.txt'
|
|
|
|
f = open(fopath+fofilename, 'rb')
|
|
|
|
userkey.append(f.read()[0:40])
|
|
|
|
f.close()
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
if not userkey:
|
|
|
|
raise ADEPTError('Cannot find FowP3Uuid in registry or file.\n'\
|
|
|
|
+'Did Adobe (Reader) open the pdf file?')
|
|
|
|
cresult = self.genkey_cryptmach(userkey)
|
|
|
|
if cresult != False:
|
|
|
|
self.fileopen['Uuid'] = cresult
|
|
|
|
# kind of a long shot we'll see about it
|
|
|
|
else:
|
|
|
|
self.fileopen['Uuid'] = str(uuid.uuid1())
|
|
|
|
## else:
|
|
|
|
## self.fileopen['Uuid'] = str(uuid.uuid1())
|
|
|
|
# get time stamp
|
|
|
|
self.fileopen['Stamp'] = str(time.time())[:-3]
|
|
|
|
# get fileopen input pdf name + path
|
|
|
|
# print INPUTFILEPATH
|
|
|
|
self.fileopen['DocPathUrl'] = 'file%3a%2f%2f%2f'\
|
|
|
|
+ urllib.quote(INPUTFILEPATH)
|
|
|
|
# determine voltype
|
|
|
|
voltype = ('Unknown', 'Invalid', 'Removable', 'Fixed', 'Remote', 'CDRom', 'RamDisk')
|
|
|
|
dletter = os.path.splitdrive(INPUTFILEPATH)[0] + '\\'
|
|
|
|
self.fileopen['VolType'] = voltype[win32file.GetDriveType(dletter)]
|
|
|
|
# get volume name (urllib quote necessairy?) urllib.quote(
|
|
|
|
self.fileopen['VolName'] = urllib.quote(win32api.GetVolumeInformation(dletter)[0])
|
|
|
|
# get volume serial number (fix for possible negative numbers)
|
|
|
|
self.fileopen['VolSN'] = str(win32api.GetVolumeInformation(dletter)[1])
|
|
|
|
# no c volume so skip it
|
|
|
|
self.fileopen['FSName'] = win32api.GetVolumeInformation(dletter)[4]
|
|
|
|
# get previous mac address or disk handling
|
|
|
|
userkey = []
|
|
|
|
try:
|
|
|
|
cuser = winreg.HKEY_CURRENT_USER
|
|
|
|
FOW3_UUID = 'Software\\Fileopen'
|
|
|
|
regkey = winreg.OpenKey(cuser, FOW3_UUID)
|
|
|
|
userkey.append(winreg.QueryValueEx(regkey, 'Fowp3Madi')[0])
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
try:
|
|
|
|
fopath = os.environ['AppData']+'\\FileOpen\\'
|
|
|
|
fofilename = 'Fowpmadi.txt'
|
|
|
|
f = open(fopath+fofilename, 'rb')
|
|
|
|
userkey.append(f.read()[40:])
|
|
|
|
f.close()
|
|
|
|
except:
|
|
|
|
pass
|
|
|
|
if not userkey:
|
|
|
|
raise ADEPTError('Cannot find FowP3Madi in registry or file.\n'\
|
|
|
|
+'Did Adobe Reader open the pdf file?')
|
|
|
|
cresult = self.genkey_cryptmach(userkey)
|
|
|
|
if cresult != False:
|
|
|
|
machdisk = self.genkey_cryptmach(userkey)
|
|
|
|
machine = machdisk[:8]
|
|
|
|
disk = machdisk[8:]
|
|
|
|
# did not find the required information, false it
|
|
|
|
else:
|
|
|
|
machdisk = False
|
|
|
|
machine = False
|
|
|
|
disk = False
|
|
|
|
if machine != self.fileopen['Machine'] and machdisk != False:
|
|
|
|
self.fileopen['PrevMach'] = machine
|
|
|
|
if disk != self.fileopen['Disk'] and machdisk != False:
|
|
|
|
self.fileopen['PrevDisk'] = disk
|
|
|
|
return
|
|
|
|
|
|
|
|
# decryption routine for the INFO area
|
|
|
|
def genkey_fileopeninfo(self, data):
|
|
|
|
input1 = struct.pack('L', 0xa4da49de)
|
|
|
|
seed = struct.pack('B', 0x82)
|
|
|
|
key = input1[3] + input1[2] +input1[1] +input1[0] + seed
|
|
|
|
hash = hashlib.md5()
|
|
|
|
key = hash.update(key)
|
|
|
|
spointer4 = struct.pack('<L', 0xec8d6c58)
|
|
|
|
seed = struct.pack('B', 0x07)
|
|
|
|
key = spointer4[3] + spointer4[2] + spointer4[1] + spointer4[0] + seed
|
|
|
|
key = hash.update(key)
|
|
|
|
md5 = hash.digest()
|
|
|
|
key = md5[0:10]
|
|
|
|
return ARC4.new(key).decrypt(data)
|
|
|
|
|
|
|
|
def genkey_cryptmach(self, data):
|
|
|
|
# nested subfunction
|
|
|
|
def genkeysub(uname, mode=False):
|
|
|
|
key_string = '37A4DA49DE82064939A60B1D8D7B5F0F8873B6D93E'.decode('hex')
|
|
|
|
m = hashlib.md5()
|
|
|
|
m.update(key_string[:3])
|
|
|
|
m.update(uname[:13]) # max 13 characters 13 - sizeof(username)
|
|
|
|
if (13 - len(uname)) > 0 and mode == True:
|
|
|
|
m.update(key_string[:(13-len(uname))])
|
|
|
|
md5sum = m.digest()[0:16]
|
|
|
|
# print md5sum.encode('hex')
|
|
|
|
# normal ident4id calculation
|
|
|
|
retval = []
|
|
|
|
for sdata in data:
|
|
|
|
retval.append(ARC4.new(md5sum).decrypt(sdata))
|
|
|
|
for rval in retval:
|
|
|
|
if rval[:4] == 'ec20':
|
|
|
|
return rval[4:]
|
|
|
|
return False
|
|
|
|
# start normal execution
|
|
|
|
# list for username variants
|
|
|
|
unamevars = []
|
|
|
|
# fill username variants list
|
|
|
|
unamevars.append(self.user)
|
|
|
|
unamevars.append(self.user + chr(0))
|
|
|
|
unamevars.append(self.user.lower())
|
|
|
|
unamevars.append(self.user.lower() + chr(0))
|
|
|
|
unamevars.append(self.user.upper())
|
|
|
|
unamevars.append(self.user.upper() + chr(0))
|
|
|
|
# go through it
|
|
|
|
for uname in unamevars:
|
|
|
|
result = genkeysub(uname, True)
|
|
|
|
if result != False:
|
|
|
|
return result
|
|
|
|
result = genkeysub(uname)
|
|
|
|
if result != False:
|
|
|
|
return result
|
|
|
|
# didn't find it, return false
|
|
|
|
return False
|
|
|
|
## raise ADEPTError('Unsupported Ident4D Decryption,\n'+\
|
|
|
|
## 'report the bug to the ineptpdf script forum')
|
|
|
|
|
|
|
|
KEYWORD_OBJ = PSKeywordTable.intern('obj')
|
|
|
|
|
|
|
|
def getobj(self, objid):
|
|
|
|
if not self.ready:
|
|
|
|
raise PDFException('PDFDocument not initialized')
|
|
|
|
#assert self.xrefs
|
|
|
|
if objid in self.objs:
|
|
|
|
genno = 0
|
|
|
|
obj = self.objs[objid]
|
|
|
|
else:
|
|
|
|
for xref in self.xrefs:
|
|
|
|
try:
|
|
|
|
(stmid, index) = xref.getpos(objid)
|
|
|
|
break
|
|
|
|
except KeyError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
#if STRICT:
|
|
|
|
# raise PDFSyntaxError('Cannot locate objid=%r' % objid)
|
|
|
|
return None
|
|
|
|
if stmid:
|
|
|
|
if gen_xref_stm:
|
|
|
|
return PDFObjStmRef(objid, stmid, index)
|
|
|
|
# Stuff from pdfminer: extract objects from object stream
|
|
|
|
stream = stream_value(self.getobj(stmid))
|
|
|
|
if stream.dic.get('Type') is not LITERAL_OBJSTM:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('Not a stream object: %r' % stream)
|
|
|
|
try:
|
|
|
|
n = stream.dic['N']
|
|
|
|
except KeyError:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('N is not defined: %r' % stream)
|
|
|
|
n = 0
|
|
|
|
|
|
|
|
if stmid in self.parsed_objs:
|
|
|
|
objs = self.parsed_objs[stmid]
|
|
|
|
else:
|
|
|
|
parser = PDFObjStrmParser(stream.get_data(), self)
|
|
|
|
objs = []
|
|
|
|
try:
|
|
|
|
while 1:
|
|
|
|
(_,obj) = parser.nextobject()
|
|
|
|
objs.append(obj)
|
|
|
|
except PSEOF:
|
|
|
|
pass
|
|
|
|
self.parsed_objs[stmid] = objs
|
|
|
|
genno = 0
|
|
|
|
i = n*2+index
|
|
|
|
try:
|
|
|
|
obj = objs[i]
|
|
|
|
except IndexError:
|
|
|
|
raise PDFSyntaxError('Invalid object number: objid=%r' % (objid))
|
|
|
|
if isinstance(obj, PDFStream):
|
|
|
|
obj.set_objid(objid, 0)
|
|
|
|
###
|
|
|
|
else:
|
|
|
|
self.parser.seek(index)
|
|
|
|
(_,objid1) = self.parser.nexttoken() # objid
|
|
|
|
(_,genno) = self.parser.nexttoken() # genno
|
|
|
|
#assert objid1 == objid, (objid, objid1)
|
|
|
|
(_,kwd) = self.parser.nexttoken()
|
|
|
|
# #### hack around malformed pdf files
|
|
|
|
# assert objid1 == objid, (objid, objid1)
|
|
|
|
## if objid1 != objid:
|
|
|
|
## x = []
|
|
|
|
## while kwd is not self.KEYWORD_OBJ:
|
|
|
|
## (_,kwd) = self.parser.nexttoken()
|
|
|
|
## x.append(kwd)
|
|
|
|
## if x:
|
|
|
|
## objid1 = x[-2]
|
|
|
|
## genno = x[-1]
|
|
|
|
##
|
|
|
|
if kwd is not self.KEYWORD_OBJ:
|
|
|
|
raise PDFSyntaxError(
|
|
|
|
'Invalid object spec: offset=%r' % index)
|
|
|
|
(_,obj) = self.parser.nextobject()
|
|
|
|
if isinstance(obj, PDFStream):
|
|
|
|
obj.set_objid(objid, genno)
|
|
|
|
if self.decipher:
|
|
|
|
obj = decipher_all(self.decipher, objid, genno, obj)
|
|
|
|
self.objs[objid] = obj
|
|
|
|
return obj
|
|
|
|
|
|
|
|
# helper class for cookie retrival
|
|
|
|
class WinBrowserCookie():
|
|
|
|
def __init__(self):
|
|
|
|
pass
|
|
|
|
def getcookie(self, cname, chost):
|
|
|
|
# check firefox db
|
|
|
|
fprofile = os.environ['AppData']+r'\Mozilla\Firefox'
|
|
|
|
pinifile = 'profiles.ini'
|
|
|
|
fini = os.path.normpath(fprofile + '\\' + pinifile)
|
|
|
|
try:
|
|
|
|
with open(fini,'r') as ffini:
|
|
|
|
firefoxini = ffini.read()
|
|
|
|
# Firefox not installed or on an USB stick
|
|
|
|
except:
|
|
|
|
return None
|
|
|
|
for pair in firefoxini.split('\n'):
|
|
|
|
try:
|
|
|
|
key, value = pair.split('=',1)
|
|
|
|
if key == 'Path':
|
|
|
|
fprofile = os.path.normpath(fprofile+'//'+value+'//'+'cookies.sqlite')
|
|
|
|
break
|
|
|
|
# asdf
|
|
|
|
except:
|
|
|
|
continue
|
|
|
|
if os.path.isfile(fprofile):
|
|
|
|
try:
|
|
|
|
con = sqlite3.connect(fprofile,1)
|
|
|
|
except:
|
|
|
|
raise ADEPTError('Firefox Cookie data base locked. Close Firefox and try again')
|
|
|
|
cur = con.cursor()
|
|
|
|
try:
|
|
|
|
cur.execute("select value from moz_cookies where name=? and host=?", (cname, chost))
|
|
|
|
except Exception:
|
|
|
|
raise ADEPTError('Firefox Cookie database is locked. Close Firefox and try again')
|
|
|
|
try:
|
|
|
|
return cur.fetchone()[0]
|
|
|
|
except Exception:
|
|
|
|
# sometimes is a dot in front of the host
|
|
|
|
chost = '.'+chost
|
|
|
|
cur.execute("select value from moz_cookies where name=? and host=?", (cname, chost))
|
|
|
|
try:
|
|
|
|
return cur.fetchone()[0]
|
|
|
|
except:
|
|
|
|
return None
|
|
|
|
|
|
|
|
class PDFObjStmRef(object):
|
|
|
|
maxindex = 0
|
|
|
|
def __init__(self, objid, stmid, index):
|
|
|
|
self.objid = objid
|
|
|
|
self.stmid = stmid
|
|
|
|
self.index = index
|
|
|
|
if index > PDFObjStmRef.maxindex:
|
|
|
|
PDFObjStmRef.maxindex = index
|
|
|
|
|
|
|
|
|
|
|
|
## PDFParser
|
|
|
|
##
|
|
|
|
class PDFParser(PSStackParser):
|
|
|
|
|
|
|
|
def __init__(self, doc, fp):
|
|
|
|
PSStackParser.__init__(self, fp)
|
|
|
|
self.doc = doc
|
|
|
|
self.doc.set_parser(self)
|
|
|
|
return
|
|
|
|
|
|
|
|
def __repr__(self):
|
|
|
|
return '<PDFParser>'
|
|
|
|
|
|
|
|
KEYWORD_R = PSKeywordTable.intern('R')
|
|
|
|
KEYWORD_ENDOBJ = PSKeywordTable.intern('endobj')
|
|
|
|
KEYWORD_STREAM = PSKeywordTable.intern('stream')
|
|
|
|
KEYWORD_XREF = PSKeywordTable.intern('xref')
|
|
|
|
KEYWORD_STARTXREF = PSKeywordTable.intern('startxref')
|
|
|
|
def do_keyword(self, pos, token):
|
|
|
|
if token in (self.KEYWORD_XREF, self.KEYWORD_STARTXREF):
|
|
|
|
self.add_results(*self.pop(1))
|
|
|
|
return
|
|
|
|
if token is self.KEYWORD_ENDOBJ:
|
|
|
|
self.add_results(*self.pop(4))
|
|
|
|
return
|
|
|
|
|
|
|
|
if token is self.KEYWORD_R:
|
|
|
|
# reference to indirect object
|
|
|
|
try:
|
|
|
|
((_,objid), (_,genno)) = self.pop(2)
|
|
|
|
(objid, genno) = (int(objid), int(genno))
|
|
|
|
obj = PDFObjRef(self.doc, objid, genno)
|
|
|
|
self.push((pos, obj))
|
|
|
|
except PSSyntaxError:
|
|
|
|
pass
|
|
|
|
return
|
|
|
|
|
|
|
|
if token is self.KEYWORD_STREAM:
|
|
|
|
# stream object
|
|
|
|
((_,dic),) = self.pop(1)
|
|
|
|
dic = dict_value(dic)
|
|
|
|
try:
|
|
|
|
objlen = int_value(dic['Length'])
|
|
|
|
except KeyError:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('/Length is undefined: %r' % dic)
|
|
|
|
objlen = 0
|
|
|
|
self.seek(pos)
|
|
|
|
try:
|
|
|
|
(_, line) = self.nextline() # 'stream'
|
|
|
|
except PSEOF:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('Unexpected EOF')
|
|
|
|
return
|
|
|
|
pos += len(line)
|
|
|
|
self.fp.seek(pos)
|
|
|
|
data = self.fp.read(objlen)
|
|
|
|
self.seek(pos+objlen)
|
|
|
|
while 1:
|
|
|
|
try:
|
|
|
|
(linepos, line) = self.nextline()
|
|
|
|
except PSEOF:
|
|
|
|
if STRICT:
|
|
|
|
raise PDFSyntaxError('Unexpected EOF')
|
|
|
|
break
|
|
|
|
if 'endstream' in line:
|
|
|
|
i = line.index('endstream')
|
|
|
|
objlen += i
|
|
|
|
data += line[:i]
|
|
|
|
break
|
|
|
|
objlen += len(line)
|
|
|
|
data += line
|
|
|
|
self.seek(pos+objlen)
|
|
|
|
obj = PDFStream(dic, data, self.doc.decipher)
|
|
|
|
self.push((pos, obj))
|
|
|
|
return
|
|
|
|
|
|
|
|
# others
|
|
|
|
self.push((pos, token))
|
|
|
|
return
|
|
|
|
|
|
|
|
def find_xref(self):
|
|
|
|
# search the last xref table by scanning the file backwards.
|
|
|
|
prev = None
|
|
|
|
for line in self.revreadlines():
|
|
|
|
line = line.strip()
|
|
|
|
if line == 'startxref': break
|
|
|
|
if line:
|
|
|
|
prev = line
|
|
|
|
else:
|
|
|
|
raise PDFNoValidXRef('Unexpected EOF')
|
|
|
|
return int(prev)
|
|
|
|
|
|
|
|
# read xref table
|
|
|
|
def read_xref_from(self, start, xrefs):
|
|
|
|
self.seek(start)
|
|
|
|
self.reset()
|
|
|
|
try:
|
|
|
|
(pos, token) = self.nexttoken()
|
|
|
|
except PSEOF:
|
|
|
|
raise PDFNoValidXRef('Unexpected EOF')
|
|
|
|
if isinstance(token, int):
|
|
|
|
# XRefStream: PDF-1.5
|
|
|
|
if GEN_XREF_STM == 1:
|
|
|
|
global gen_xref_stm
|
|
|
|
gen_xref_stm = True
|
|
|
|
self.seek(pos)
|
|
|
|
self.reset()
|
|
|
|
xref = PDFXRefStream()
|
|
|
|
xref.load(self)
|
|
|
|
else:
|
|
|
|
if token is not self.KEYWORD_XREF:
|
|
|
|
raise PDFNoValidXRef('xref not found: pos=%d, token=%r' %
|
|
|
|
(pos, token))
|
|
|
|
self.nextline()
|
|
|
|
xref = PDFXRef()
|
|
|
|
xref.load(self)
|
|
|
|
xrefs.append(xref)
|
|
|
|
trailer = xref.trailer
|
|
|
|
if 'XRefStm' in trailer:
|
|
|
|
pos = int_value(trailer['XRefStm'])
|
|
|
|
self.read_xref_from(pos, xrefs)
|
|
|
|
if 'Prev' in trailer:
|
|
|
|
# find previous xref
|
|
|
|
pos = int_value(trailer['Prev'])
|
|
|
|
self.read_xref_from(pos, xrefs)
|
|
|
|
return
|
|
|
|
|
|
|
|
# read xref tables and trailers
|
|
|
|
def read_xref(self):
|
|
|
|
xrefs = []
|
|
|
|
trailerpos = None
|
|
|
|
try:
|
|
|
|
pos = self.find_xref()
|
|
|
|
self.read_xref_from(pos, xrefs)
|
|
|
|
except PDFNoValidXRef:
|
|
|
|
# fallback
|
|
|
|
self.seek(0)
|
|
|
|
pat = re.compile(r'^(\d+)\s+(\d+)\s+obj\b')
|
|
|
|
offsets = {}
|
|
|
|
xref = PDFXRef()
|
|
|
|
while 1:
|
|
|
|
try:
|
|
|
|
(pos, line) = self.nextline()
|
|
|
|
except PSEOF:
|
|
|
|
break
|
|
|
|
if line.startswith('trailer'):
|
|
|
|
trailerpos = pos # remember last trailer
|
|
|
|
m = pat.match(line)
|
|
|
|
if not m: continue
|
|
|
|
(objid, genno) = m.groups()
|
|
|
|
offsets[int(objid)] = (0, pos)
|
|
|
|
if not offsets: raise
|
|
|
|
xref.offsets = offsets
|
|
|
|
if trailerpos:
|
|
|
|
self.seek(trailerpos)
|
|
|
|
xref.load_trailer(self)
|
|
|
|
xrefs.append(xref)
|
|
|
|
return xrefs
|
|
|
|
|
|
|
|
## PDFObjStrmParser
|
|
|
|
##
|
|
|
|
class PDFObjStrmParser(PDFParser):
|
|
|
|
|
|
|
|
def __init__(self, data, doc):
|
|
|
|
PSStackParser.__init__(self, StringIO(data))
|
|
|
|
self.doc = doc
|
|
|
|
return
|
|
|
|
|
|
|
|
def flush(self):
|
|
|
|
self.add_results(*self.popall())
|
|
|
|
return
|
|
|
|
|
|
|
|
KEYWORD_R = KWD('R')
|
|
|
|
def do_keyword(self, pos, token):
|
|
|
|
if token is self.KEYWORD_R:
|
|
|
|
# reference to indirect object
|
|
|
|
try:
|
|
|
|
((_,objid), (_,genno)) = self.pop(2)
|
|
|
|
(objid, genno) = (int(objid), int(genno))
|
|
|
|
obj = PDFObjRef(self.doc, objid, genno)
|
|
|
|
self.push((pos, obj))
|
|
|
|
except PSSyntaxError:
|
|
|
|
pass
|
|
|
|
return
|
|
|
|
# others
|
|
|
|
self.push((pos, token))
|
|
|
|
return
|
|
|
|
|
|
|
|
###
|
|
|
|
### My own code, for which there is none else to blame
|
|
|
|
|
|
|
|
class PDFSerializer(object):
|
|
|
|
def __init__(self, inf, keypath):
|
|
|
|
global GEN_XREF_STM, gen_xref_stm
|
|
|
|
gen_xref_stm = GEN_XREF_STM > 1
|
|
|
|
self.version = inf.read(8)
|
|
|
|
inf.seek(0)
|
|
|
|
self.doc = doc = PDFDocument()
|
|
|
|
parser = PDFParser(doc, inf)
|
|
|
|
doc.initialize(keypath)
|
|
|
|
self.objids = objids = set()
|
|
|
|
for xref in reversed(doc.xrefs):
|
|
|
|
trailer = xref.trailer
|
|
|
|
for objid in xref.objids():
|
|
|
|
objids.add(objid)
|
|
|
|
trailer = dict(trailer)
|
|
|
|
trailer.pop('Prev', None)
|
|
|
|
trailer.pop('XRefStm', None)
|
|
|
|
if 'Encrypt' in trailer:
|
|
|
|
objids.remove(trailer.pop('Encrypt').objid)
|
|
|
|
self.trailer = trailer
|
|
|
|
|
|
|
|
def dump(self, outf):
|
|
|
|
self.outf = outf
|
|
|
|
self.write(self.version)
|
|
|
|
self.write('\n%\xe2\xe3\xcf\xd3\n')
|
|
|
|
doc = self.doc
|
|
|
|
objids = self.objids
|
|
|
|
xrefs = {}
|
|
|
|
maxobj = max(objids)
|
|
|
|
trailer = dict(self.trailer)
|
|
|
|
trailer['Size'] = maxobj + 1
|
|
|
|
for objid in objids:
|
|
|
|
obj = doc.getobj(objid)
|
|
|
|
if isinstance(obj, PDFObjStmRef):
|
|
|
|
xrefs[objid] = obj
|
|
|
|
continue
|
|
|
|
if obj is not None:
|
|
|
|
try:
|
|
|
|
genno = obj.genno
|
|
|
|
except AttributeError:
|
|
|
|
genno = 0
|
|
|
|
xrefs[objid] = (self.tell(), genno)
|
|
|
|
self.serialize_indirect(objid, obj)
|
|
|
|
startxref = self.tell()
|
|
|
|
|
|
|
|
if not gen_xref_stm:
|
|
|
|
self.write('xref\n')
|
|
|
|
self.write('0 %d\n' % (maxobj + 1,))
|
|
|
|
for objid in xrange(0, maxobj + 1):
|
|
|
|
if objid in xrefs:
|
|
|
|
# force the genno to be 0
|
|
|
|
self.write("%010d 00000 n \n" % xrefs[objid][0])
|
|
|
|
else:
|
|
|
|
self.write("%010d %05d f \n" % (0, 65535))
|
|
|
|
|
|
|
|
self.write('trailer\n')
|
|
|
|
self.serialize_object(trailer)
|
|
|
|
self.write('\nstartxref\n%d\n%%%%EOF' % startxref)
|
|
|
|
|
|
|
|
else: # Generate crossref stream.
|
|
|
|
|
|
|
|
# Calculate size of entries
|
|
|
|
maxoffset = max(startxref, maxobj)
|
|
|
|
maxindex = PDFObjStmRef.maxindex
|
|
|
|
fl2 = 2
|
|
|
|
power = 65536
|
|
|
|
while maxoffset >= power:
|
|
|
|
fl2 += 1
|
|
|
|
power *= 256
|
|
|
|
fl3 = 1
|
|
|
|
power = 256
|
|
|
|
while maxindex >= power:
|
|
|
|
fl3 += 1
|
|
|
|
power *= 256
|
|
|
|
|
|
|
|
index = []
|
|
|
|
first = None
|
|
|
|
prev = None
|
|
|
|
data = []
|
|
|
|
# Put the xrefstream's reference in itself
|
|
|
|
startxref = self.tell()
|
|
|
|
maxobj += 1
|
|
|
|
xrefs[maxobj] = (startxref, 0)
|
|
|
|
for objid in sorted(xrefs):
|
|
|
|
if first is None:
|
|
|
|
first = objid
|
|
|
|
elif objid != prev + 1:
|
|
|
|
index.extend((first, prev - first + 1))
|
|
|
|
first = objid
|
|
|
|
prev = objid
|
|
|
|
objref = xrefs[objid]
|
|
|
|
if isinstance(objref, PDFObjStmRef):
|
|
|
|
f1 = 2
|
|
|
|
f2 = objref.stmid
|
|
|
|
f3 = objref.index
|
|
|
|
else:
|
|
|
|
f1 = 1
|
|
|
|
f2 = objref[0]
|
|
|
|
# we force all generation numbers to be 0
|
|
|
|
# f3 = objref[1]
|
|
|
|
f3 = 0
|
|
|
|
|
|
|
|
data.append(struct.pack('>B', f1))
|
|
|
|
data.append(struct.pack('>L', f2)[-fl2:])
|
|
|
|
data.append(struct.pack('>L', f3)[-fl3:])
|
|
|
|
index.extend((first, prev - first + 1))
|
|
|
|
data = zlib.compress(''.join(data))
|
|
|
|
dic = {'Type': LITERAL_XREF, 'Size': prev + 1, 'Index': index,
|
|
|
|
'W': [1, fl2, fl3], 'Length': len(data),
|
|
|
|
'Filter': LITERALS_FLATE_DECODE[0],
|
|
|
|
'Root': trailer['Root'],}
|
|
|
|
if 'Info' in trailer:
|
|
|
|
dic['Info'] = trailer['Info']
|
|
|
|
xrefstm = PDFStream(dic, data)
|
|
|
|
self.serialize_indirect(maxobj, xrefstm)
|
|
|
|
self.write('startxref\n%d\n%%%%EOF' % startxref)
|
|
|
|
def write(self, data):
|
|
|
|
self.outf.write(data)
|
|
|
|
self.last = data[-1:]
|
|
|
|
|
|
|
|
def tell(self):
|
|
|
|
return self.outf.tell()
|
|
|
|
|
|
|
|
def escape_string(self, string):
|
|
|
|
string = string.replace('\\', '\\\\')
|
|
|
|
string = string.replace('\n', r'\n')
|
|
|
|
string = string.replace('(', r'\(')
|
|
|
|
string = string.replace(')', r'\)')
|
|
|
|
# get rid of ciando id
|
|
|
|
regularexp = re.compile(r'http://www.ciando.com/index.cfm/intRefererID/\d{5}')
|
|
|
|
if regularexp.match(string): return ('http://www.ciando.com')
|
|
|
|
return string
|
|
|
|
|
|
|
|
def serialize_object(self, obj):
|
|
|
|
if isinstance(obj, dict):
|
|
|
|
# Correct malformed Mac OS resource forks for Stanza
|
|
|
|
if 'ResFork' in obj and 'Type' in obj and 'Subtype' not in obj \
|
|
|
|
and isinstance(obj['Type'], int):
|
|
|
|
obj['Subtype'] = obj['Type']
|
|
|
|
del obj['Type']
|
|
|
|
# end - hope this doesn't have bad effects
|
|
|
|
self.write('<<')
|
|
|
|
for key, val in obj.items():
|
|
|
|
self.write('/%s' % key)
|
|
|
|
self.serialize_object(val)
|
|
|
|
self.write('>>')
|
|
|
|
elif isinstance(obj, list):
|
|
|
|
self.write('[')
|
|
|
|
for val in obj:
|
|
|
|
self.serialize_object(val)
|
|
|
|
self.write(']')
|
|
|
|
elif isinstance(obj, str):
|
|
|
|
self.write('(%s)' % self.escape_string(obj))
|
|
|
|
elif isinstance(obj, bool):
|
|
|
|
if self.last.isalnum():
|
|
|
|
self.write(' ')
|
|
|
|
self.write(str(obj).lower())
|
|
|
|
elif isinstance(obj, (int, long, float)):
|
|
|
|
if self.last.isalnum():
|
|
|
|
self.write(' ')
|
|
|
|
self.write(str(obj))
|
|
|
|
elif isinstance(obj, PDFObjRef):
|
|
|
|
if self.last.isalnum():
|
|
|
|
self.write(' ')
|
|
|
|
self.write('%d %d R' % (obj.objid, 0))
|
|
|
|
elif isinstance(obj, PDFStream):
|
|
|
|
### If we don't generate cross ref streams the object streams
|
|
|
|
### are no longer useful, as we have extracted all objects from
|
|
|
|
### them. Therefore leave them out from the output.
|
|
|
|
if obj.dic.get('Type') == LITERAL_OBJSTM and not gen_xref_stm:
|
|
|
|
self.write('(deleted)')
|
|
|
|
else:
|
|
|
|
data = obj.get_decdata()
|
|
|
|
self.serialize_object(obj.dic)
|
|
|
|
self.write('stream\n')
|
|
|
|
self.write(data)
|
|
|
|
self.write('\nendstream')
|
|
|
|
else:
|
|
|
|
data = str(obj)
|
|
|
|
if data[0].isalnum() and self.last.isalnum():
|
|
|
|
self.write(' ')
|
|
|
|
self.write(data)
|
|
|
|
|
|
|
|
def serialize_indirect(self, objid, obj):
|
|
|
|
self.write('%d 0 obj' % (objid,))
|
|
|
|
self.serialize_object(obj)
|
|
|
|
if self.last.isalnum():
|
|
|
|
self.write('\n')
|
|
|
|
self.write('endobj\n')
|
|
|
|
|
|
|
|
def cli_main(argv=sys.argv):
|
|
|
|
progname = os.path.basename(argv[0])
|
|
|
|
if RSA is None:
|
|
|
|
print "%s: This script requires PyCrypto, which must be installed " \
|
|
|
|
"separately. Read the top-of-script comment for details." % \
|
|
|
|
(progname,)
|
|
|
|
return 1
|
|
|
|
if len(argv) != 4:
|
|
|
|
print "usage: %s KEYFILE INBOOK OUTBOOK" % (progname,)
|
|
|
|
return 1
|
|
|
|
keypath, inpath, outpath = argv[1:]
|
|
|
|
with open(inpath, 'rb') as inf:
|
|
|
|
serializer = PDFSerializer(inf, keypath)
|
|
|
|
# hope this will fix the 'bad file descriptor' problem
|
|
|
|
with open(outpath, 'wb') as outf:
|
|
|
|
# help construct to make sure the method runs to the end
|
|
|
|
serializer.dump(outf)
|
|
|
|
return 0
|
|
|
|
|
|
|
|
|
|
|
|
class DecryptionDialog(Tkinter.Frame):
|
|
|
|
def __init__(self, root):
|
|
|
|
# debug mode debugging
|
|
|
|
global DEBUG_MODE
|
|
|
|
Tkinter.Frame.__init__(self, root, border=5)
|
|
|
|
ltext='Select file for decryption\n(Ignore Password / Key file option for Fileopen/APS PDFs)'
|
|
|
|
self.status = Tkinter.Label(self, text=ltext)
|
|
|
|
self.status.pack(fill=Tkconstants.X, expand=1)
|
|
|
|
body = Tkinter.Frame(self)
|
|
|
|
body.pack(fill=Tkconstants.X, expand=1)
|
|
|
|
sticky = Tkconstants.E + Tkconstants.W
|
|
|
|
body.grid_columnconfigure(1, weight=2)
|
|
|
|
Tkinter.Label(body, text='Password\nor Key file').grid(row=0)
|
|
|
|
self.keypath = Tkinter.Entry(body, width=30)
|
|
|
|
self.keypath.grid(row=0, column=1, sticky=sticky)
|
|
|
|
if os.path.exists('adeptkey.der'):
|
|
|
|
self.keypath.insert(0, 'adeptkey.der')
|
|
|
|
button = Tkinter.Button(body, text="...", command=self.get_keypath)
|
|
|
|
button.grid(row=0, column=2)
|
|
|
|
Tkinter.Label(body, text='Input file').grid(row=1)
|
|
|
|
self.inpath = Tkinter.Entry(body, width=30)
|
|
|
|
self.inpath.grid(row=1, column=1, sticky=sticky)
|
|
|
|
button = Tkinter.Button(body, text="...", command=self.get_inpath)
|
|
|
|
button.grid(row=1, column=2)
|
|
|
|
Tkinter.Label(body, text='Output file').grid(row=2)
|
|
|
|
self.outpath = Tkinter.Entry(body, width=30)
|
|
|
|
self.outpath.grid(row=2, column=1, sticky=sticky)
|
|
|
|
debugmode = Tkinter.Checkbutton(self, text = "Debug Mode (writable directory required)", command=self.debug_toggle, height=2, \
|
|
|
|
width = 40)
|
|
|
|
debugmode.pack()
|
|
|
|
button = Tkinter.Button(body, text="...", command=self.get_outpath)
|
|
|
|
button.grid(row=2, column=2)
|
|
|
|
buttons = Tkinter.Frame(self)
|
|
|
|
buttons.pack()
|
|
|
|
|
|
|
|
|
|
|
|
botton = Tkinter.Button(
|
|
|
|
buttons, text="Decrypt", width=10, command=self.decrypt)
|
|
|
|
botton.pack(side=Tkconstants.LEFT)
|
|
|
|
Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
|
|
|
|
button = Tkinter.Button(
|
|
|
|
buttons, text="Quit", width=10, command=self.quit)
|
|
|
|
button.pack(side=Tkconstants.RIGHT)
|
|
|
|
|
|
|
|
|
|
|
|
def get_keypath(self):
|
|
|
|
keypath = tkFileDialog.askopenfilename(
|
|
|
|
parent=None, title='Select ADEPT key file',
|
|
|
|
defaultextension='.der', filetypes=[('DER-encoded files', '.der'),
|
|
|
|
('All Files', '.*')])
|
|
|
|
if keypath:
|
|
|
|
keypath = os.path.normpath(os.path.realpath(keypath))
|
|
|
|
self.keypath.delete(0, Tkconstants.END)
|
|
|
|
self.keypath.insert(0, keypath)
|
|
|
|
return
|
|
|
|
|
|
|
|
def get_inpath(self):
|
|
|
|
inpath = tkFileDialog.askopenfilename(
|
|
|
|
parent=None, title='Select ADEPT or FileOpen-encrypted PDF file to decrypt',
|
|
|
|
defaultextension='.pdf', filetypes=[('PDF files', '.pdf'),
|
|
|
|
('All files', '.*')])
|
|
|
|
if inpath:
|
|
|
|
inpath = os.path.normpath(os.path.realpath(inpath))
|
|
|
|
self.inpath.delete(0, Tkconstants.END)
|
|
|
|
self.inpath.insert(0, inpath)
|
|
|
|
return
|
|
|
|
|
|
|
|
def debug_toggle(self):
|
|
|
|
global DEBUG_MODE
|
|
|
|
if DEBUG_MODE == False:
|
|
|
|
DEBUG_MODE = True
|
|
|
|
else:
|
|
|
|
DEBUG_MODE = False
|
|
|
|
|
|
|
|
def get_outpath(self):
|
|
|
|
outpath = tkFileDialog.asksaveasfilename(
|
|
|
|
parent=None, title='Select unencrypted PDF file to produce',
|
|
|
|
defaultextension='.pdf', filetypes=[('PDF files', '.pdf'),
|
|
|
|
('All files', '.*')])
|
|
|
|
if outpath:
|
|
|
|
outpath = os.path.normpath(os.path.realpath(outpath))
|
|
|
|
self.outpath.delete(0, Tkconstants.END)
|
|
|
|
self.outpath.insert(0, outpath)
|
|
|
|
return
|
|
|
|
|
|
|
|
def decrypt(self):
|
|
|
|
global INPUTFILEPATH
|
|
|
|
global KEYFILEPATH
|
|
|
|
global PASSWORD
|
|
|
|
keypath = self.keypath.get()
|
|
|
|
inpath = self.inpath.get()
|
|
|
|
outpath = self.outpath.get()
|
|
|
|
if not keypath or not os.path.exists(keypath):
|
|
|
|
# keyfile doesn't exist
|
|
|
|
KEYFILEPATH = False
|
|
|
|
PASSWORD = keypath
|
|
|
|
if not inpath or not os.path.exists(inpath):
|
|
|
|
self.status['text'] = 'Specified input file does not exist'
|
|
|
|
return
|
|
|
|
if not outpath:
|
|
|
|
self.status['text'] = 'Output file not specified'
|
|
|
|
return
|
|
|
|
if inpath == outpath:
|
|
|
|
self.status['text'] = 'Must have different input and output files'
|
|
|
|
return
|
|
|
|
# patch for non-ascii characters
|
|
|
|
INPUTFILEPATH = inpath.encode('utf-8')
|
|
|
|
argv = [sys.argv[0], keypath, inpath, outpath]
|
|
|
|
self.status['text'] = 'Processing ...'
|
|
|
|
try:
|
|
|
|
cli_main(argv)
|
|
|
|
except Exception, a:
|
|
|
|
self.status['text'] = 'Error: ' + str(a)
|
|
|
|
return
|
|
|
|
self.status['text'] = 'File successfully decrypted.\n'+\
|
|
|
|
'Close this window or decrypt another pdf file.'
|
|
|
|
return
|
|
|
|
|
|
|
|
def gui_main():
|
|
|
|
root = Tkinter.Tk()
|
|
|
|
if RSA is None:
|
|
|
|
root.withdraw()
|
|
|
|
tkMessageBox.showerror(
|
|
|
|
"INEPT PDF and FileOpen Decrypter",
|
|
|
|
"This script requires PyCrypto, which must be installed "
|
|
|
|
"separately. Read the top-of-script comment for details.")
|
|
|
|
return 1
|
|
|
|
root.title('INEPT PDF Decrypter 8.4.51 (FileOpen/APS-Support)')
|
|
|
|
root.resizable(True, False)
|
|
|
|
root.minsize(370, 0)
|
|
|
|
DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
|
|
|
|
root.mainloop()
|
|
|
|
return 0
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
if len(sys.argv) > 1:
|
|
|
|
sys.exit(cli_main())
|
|
|
|
sys.exit(gui_main())
|