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a7856f5c32
DeDRM_tools/Adobe_PDF_Tools/ineptpdf8.pyw
Apprentice Alf a7856f5c32 tools v3.0 
First combined mobi/topaz kindle tool
2015-03-04 18:41:37 +00:00

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#! /usr/bin/python
# ineptpdf8.4.48.pyw
# ineptpdf, version 8.4.48
# To run this program install Python 2.7 from http://www.python.org/download/
#
# PyCrypto from http://www.voidspace.org.uk/python/modules.shtml#pycrypto
#
# and PyWin Extension (Win32API module) from
# http://sourceforge.net/projects/pywin32/files/
#
# Make sure to install the dedicated versions for Python 2.7.
#
# It's recommended to use the 32-Bit Python Windows versions (even with a 64-bit
# Windows system).
#
# Save this script file as
# ineptpdf8.4.48.pyw and double-click on it to run it.
# Revision history:
# 1 - Initial release
# 2 - Improved determination of key-generation algorithm
# 3 - Correctly handle PDF >=1.5 cross-reference streams
# 4 - Removal of ciando's personal ID (anon)
# 5 - removing small bug with V3 ebooks (anon)
# 6 - changed to adeptkey4.der format for 1.7.2 support (anon)
# 6.1 - backward compatibility for 1.7.1 and old adeptkey.der (anon)
# 7 - Get cross reference streams and object streams working for input.
# Not yet supported on output but this only effects file size,
# not functionality. (anon2)
# 7.1 - Correct a problem when an old trailer is not followed by startxref (anon2)
# 7.2 - Correct malformed Mac OS resource forks for Stanza
# - Support for cross ref streams on output (decreases file size) (anon2)
# 7.3 - Correct bug in trailer with cross ref stream that caused the error (anon2)
# "The root object is missing or invalid" in Adobe Reader.
# 7.4 - Force all generation numbers in output file to be 0, like in v6.
# Fallback code for wrong xref improved (search till last trailer
# instead of first) (anon2)
# 8 - fileopen user machine identifier support (Tetrachroma)
# 8.1 - fileopen user cookies support (Tetrachroma)
# 8.2 - fileopen user name/password support (Tetrachroma)
# 8.3 - fileopen session cookie support (Tetrachroma)
# 8.3.1 - fix for the "specified key file does not exist" error (Tetrachroma)
# 8.3.2 - improved server result parsing (Tetrachroma)
# 8.4 - Ident4D and encrypted Uuid support (Tetrachroma)
# 8.4.1 - improved MAC address processing (Tetrachroma)
# 8.4.2 - FowP3Uuid fallback file processing (Tetrachroma)
# 8.4.3 - improved user/password pdf file detection (Tetrachroma)
# 8.4.4 - small bugfix (Tetrachroma)
# 8.4.5 - improved cookie host searching (Tetrachroma)
# 8.4.6 - STRICT parsing disabled (non-standard pdf processing) (Tetrachroma)
# 8.4.7 - UTF-8 input file conversion (Tetrachroma)
# 8.4.8 - fix for more rare utf8 problems (Tetrachroma)
# 8.4.9 - solution for utf8 in comination with
# ident4id method (Tetrachroma)
# 8.4.10 - line feed processing, non c system drive patch, nrbook support (Tetrachroma)
# 8.4.11 - alternative ident4id calculation (Tetrachroma)
# 8.4.12 - fix for capital username characters and
# other unusual user login names (Tetrachroma & ZeroPoint)
# 8.4.13 - small bug fixes (Tetrachroma)
# 8.4.14 - fix for non-standard-conform fileopen pdfs (Tetrachroma)
# 8.4.15 - 'bad file descriptor'-fix (Tetrachroma)
# 8.4.16 - improves user/pass detection (Tetrachroma)
# 8.4.17 - fix for several '=' chars in a DPRM entity (Tetrachroma)
# 8.4.18 - follow up bug fix for the DPRM problem,
# more readable error messages (Tetrachroma)
# 8.4.19 - 2nd fix for 'bad file descriptor' problem (Tetrachroma)
# 8.4.20 - follow up patch (Tetrachroma)
# 8.4.21 - 3rd patch for 'bad file descriptor' (Tetrachroma)
# 8.4.22 - disable prints for exception prevention (Tetrachroma)
# 8.4.23 - check for additional security attributes (Tetrachroma)
# 8.4.24 - improved cookie session support (Tetrachroma)
# 8.4.25 - more compatibility with unicode files (Tetrachroma)
# 8.4.26 - automated session/user cookie request function (works
# only with Firefox 3.x+) (Tetrachroma)
# 8.4.27 - user/password fallback
# 8.4.28 - AES decryption, improved misconfigured pdf handling,
# limited experimental APS support (Tetrachroma & Neisklar)
# 8.4.29 - backport for bad formatted rc4 encrypted pdfs (Tetrachroma)
# 8.4.30 - extended authorization attributes support (Tetrachroma)
# 8.4.31 - improved session cookie and better server response error
# handling (Tetrachroma)
# 8.4.33 - small cookie optimizations (Tetrachroma)
# 8.4.33 - debug output option (Tetrachroma)
# 8.4.34 - better user/password management
# handles the 'AskUnp' response) (Tetrachroma)
# 8.4.35 - special handling for non-standard systems (Tetrachroma)
# 8.4.36 - previous machine/disk handling [PrevMach/PrevDisk] (Tetrachroma)
# 8.4.36 - FOPN_flock support (Tetrachroma)
# 8.4.37 - patch for unicode paths/filenames (Tetrachroma)
# 8.4.38 - small fix for user/password dialog (Tetrachroma)
# 8.4.39 - sophisticated request mode differentiation, forced
# uuid calculation (Tetrachroma)
# 8.4.40 - fix for non standard server responses (Tetrachroma)
# 8.4.41 - improved user/password request windows,
# better server response tolerance (Tetrachroma)
# 8.4.42 - improved nl/cr server response parsing (Tetrachroma)
# 8.4.43 - fix for user names longer than 13 characters and special
# uuid encryption (Tetrachroma)
# 8.4.44 - another fix for ident4d problem (Tetrachroma)
# 8.4.45 - 2nd fix for ident4d problem (Tetrachroma)
# 8.4.46 - script cleanup and optimizations (Tetrachroma)
# 8.4.47 - script identification change to Adobe Reader (Tetrachroma)
# 8.4.48 - improved tolerance for false file/registry entries (Tetrachroma)
"""
Decrypts Adobe ADEPT-encrypted and Fileopen PDF files.
"""
from __future__ import with_statement
__license__ = 'GPL v3'
import sys
import os
import re
import zlib
import struct
import hashlib
from itertools import chain, islice
import xml.etree.ElementTree as etree
import Tkinter
import Tkconstants
import tkFileDialog
import tkMessageBox
# added for fileopen support
import urllib
import urlparse
import time
import socket
import string
import uuid
import subprocess
import time
import getpass
from ctypes import *
import traceback
import inspect
import tempfile
import sqlite3
try:
from Crypto.Cipher import ARC4
# needed for newer pdfs
from Crypto.Cipher import AES
from Crypto.Hash import SHA256
from Crypto.PublicKey import RSA
except ImportError:
ARC4 = None
RSA = None
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
class ADEPTError(Exception):
pass
# global variable (needed for fileopen and password decryption)
INPUTFILEPATH = ''
KEYFILEPATH = ''
PASSWORD = ''
DEBUG_MODE = False
IVERSION = '8.4.48'
# Do we generate cross reference streams on output?
# 0 = never
# 1 = only if present in input
# 2 = always
GEN_XREF_STM = 1
# This is the value for the current document
gen_xref_stm = False # will be set in PDFSerializer
###
### ASN.1 parsing code from tlslite
def bytesToNumber(bytes):
total = 0L
for byte in bytes:
total = (total << 8) + byte
return total
class ASN1Error(Exception):
pass
class ASN1Parser(object):
class Parser(object):
def __init__(self, bytes):
self.bytes = bytes
self.index = 0
def get(self, length):
if self.index + length > len(self.bytes):
raise ASN1Error("Error decoding ASN.1")
x = 0
for count in range(length):
x <<= 8
x |= self.bytes[self.index]
self.index += 1
return x
def getFixBytes(self, lengthBytes):
bytes = self.bytes[self.index : self.index+lengthBytes]
self.index += lengthBytes
return bytes
def getVarBytes(self, lengthLength):
lengthBytes = self.get(lengthLength)
return self.getFixBytes(lengthBytes)
def getFixList(self, length, lengthList):
l = [0] * lengthList
for x in range(lengthList):
l[x] = self.get(length)
return l
def getVarList(self, length, lengthLength):
lengthList = self.get(lengthLength)
if lengthList % length != 0:
raise ASN1Error("Error decoding ASN.1")
lengthList = int(lengthList/length)
l = [0] * lengthList
for x in range(lengthList):
l[x] = self.get(length)
return l
def startLengthCheck(self, lengthLength):
self.lengthCheck = self.get(lengthLength)
self.indexCheck = self.index
def setLengthCheck(self, length):
self.lengthCheck = length
self.indexCheck = self.index
def stopLengthCheck(self):
if (self.index - self.indexCheck) != self.lengthCheck:
raise ASN1Error("Error decoding ASN.1")
def atLengthCheck(self):
if (self.index - self.indexCheck) < self.lengthCheck:
return False
elif (self.index - self.indexCheck) == self.lengthCheck:
return True
else:
raise ASN1Error("Error decoding ASN.1")
def __init__(self, bytes):
p = self.Parser(bytes)
p.get(1)
self.length = self._getASN1Length(p)
self.value = p.getFixBytes(self.length)
def getChild(self, which):
p = self.Parser(self.value)
for x in range(which+1):
markIndex = p.index
p.get(1)
length = self._getASN1Length(p)
p.getFixBytes(length)
return ASN1Parser(p.bytes[markIndex:p.index])
def _getASN1Length(self, p):
firstLength = p.get(1)
if firstLength<=127:
return firstLength
else:
lengthLength = firstLength & 0x7F
return p.get(lengthLength)
###
### PDF parsing routines from pdfminer, with changes for EBX_HANDLER
## Utilities
##
def choplist(n, seq):
'''Groups every n elements of the list.'''
r = []
for x in seq:
r.append(x)
if len(r) == n:
yield tuple(r)
r = []
return
def nunpack(s, default=0):
'''Unpacks up to 4 bytes big endian.'''
l = len(s)
if not l:
return default
elif l == 1:
return ord(s)
elif l == 2:
return struct.unpack('>H', s)[0]
elif l == 3:
return struct.unpack('>L', '\x00'+s)[0]
elif l == 4:
return struct.unpack('>L', s)[0]
else:
return TypeError('invalid length: %d' % l)
STRICT = 0
## PS Exceptions
##
class PSException(Exception): pass
class PSEOF(PSException): pass
class PSSyntaxError(PSException): pass
class PSTypeError(PSException): pass
class PSValueError(PSException): pass
## Basic PostScript Types
##
# PSLiteral
class PSObject(object): pass
class PSLiteral(PSObject):
'''
PS literals (e.g. "/Name").
Caution: Never create these objects directly.
Use PSLiteralTable.intern() instead.
'''
def __init__(self, name):
self.name = name
return
def __repr__(self):
name = []
for char in self.name:
if not char.isalnum():
char = '#%02x' % ord(char)
name.append(char)
return '/%s' % ''.join(name)
# PSKeyword
class PSKeyword(PSObject):
'''
PS keywords (e.g. "showpage").
Caution: Never create these objects directly.
Use PSKeywordTable.intern() instead.
'''
def __init__(self, name):
self.name = name
return
def __repr__(self):
return self.name
# PSSymbolTable
class PSSymbolTable(object):
'''
Symbol table that stores PSLiteral or PSKeyword.
'''
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 genkey_adobe_ps(self, param):
# nice little offline principal keys dictionary
# global static principal key for German Onleihe / Bibliothek Digital
principalkeys = { 'bibliothek-digital.de': 'rRwGv2tbpKov1krvv7PO0ws9S436/lArPlfipz5Pqhw='.decode('base64')}
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')
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 ...')
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 + '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 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']
#print self.surlresult
if 'RetVal' in self.surlresult 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')
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
import _winreg as winreg
except:
raise ADEPTError('PyWin Extension (Win32API module) needed.\n'+\
'Download from http://sourceforge.net/projects/pywin32/files/ ')
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 8.4.48 (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())
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