mirrors/DeDRM_tools
mirrors/DeDRM_tools
1
0
Fork 0
mirror of https://github.com/noDRM/DeDRM_tools.git synced 2024-12-25 10:44:35 +06:00
Code Issues Projects Releases Wiki Activity

ineptpdf 5 by anon

Browse Source
This commit is contained in:
Anonymous 2009-02-13 14:38:08 +00:00 committed by Apprentice Alf
parent 58833e7dc5
commit f8154c4615
1 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
ineptpdf.pyw
View File

@ -1,6 +1,6 @@
#! /usr/bin/python
# ineptpdf.pyw, version 3
# ineptpdf5.pyw, version 5
# To run this program install Python 2.6 from http://www.python.org/download/
# and PyCrypto from http://www.voidspace.org.uk/python/modules.shtml#pycrypto
@ -11,6 +11,8 @@
# 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)
"""
Decrypt Adobe ADEPT-encrypted PDF files.
@ -173,7 +175,7 @@ def nunpack(s, default=0):
return TypeError('invalid length: %d' % l)
STRICT = 0
STRICT = 1
## PS Exceptions
@ -1186,7 +1188,10 @@ class PDFDocument(object):
bookkey = bookkey[index:]
ebx_V = int_value(param.get('V', 4))
ebx_type = int_value(param.get('EBX_ENCRYPTIONTYPE', 6))
if ebx_V < 4 or ebx_type < 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:
@ -1291,8 +1296,9 @@ class PDFDocument(object):
except KeyError:
pass
else:
if STRICT:
raise PDFSyntaxError('Cannot locate objid=%r' % objid)
return
#if STRICT:
# raise PDFSyntaxError('Cannot locate objid=%r' % objid)
return None
if stmid:
return PDFObjStmRef(objid, stmid, index)
@ -1571,6 +1577,9 @@ class PDFSerializer(object):
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):