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ineptpdf 5 by anon

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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
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19
ineptpdf.pyw
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@ -1,6 +1,6 @@
#! /usr/bin/python #! /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/ # 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 # and PyCrypto from http://www.voidspace.org.uk/python/modules.shtml#pycrypto
@ -11,6 +11,8 @@
# 1 - Initial release # 1 - Initial release
# 2 - Improved determination of key-generation algorithm # 2 - Improved determination of key-generation algorithm
# 3 - Correctly handle PDF >=1.5 cross-reference streams # 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. Decrypt Adobe ADEPT-encrypted PDF files.
@ -173,7 +175,7 @@ def nunpack(s, default=0):
return TypeError('invalid length: %d' % l) return TypeError('invalid length: %d' % l)
STRICT = 0 STRICT = 1
## PS Exceptions ## PS Exceptions
@ -1186,7 +1188,10 @@ class PDFDocument(object):
bookkey = bookkey[index:] bookkey = bookkey[index:]
ebx_V = int_value(param.get('V', 4)) ebx_V = int_value(param.get('V', 4))
ebx_type = int_value(param.get('EBX_ENCRYPTIONTYPE', 6)) 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]) V = ord(bookkey[0])
bookkey = bookkey[1:] bookkey = bookkey[1:]
else: else:
@ -1291,8 +1296,9 @@ class PDFDocument(object):
except KeyError: except KeyError:
pass pass
else: else:
if STRICT: return
raise PDFSyntaxError('Cannot locate objid=%r' % objid) #if STRICT:
# raise PDFSyntaxError('Cannot locate objid=%r' % objid)
return None return None
if stmid: if stmid:
return PDFObjStmRef(objid, stmid, index) return PDFObjStmRef(objid, stmid, index)
@ -1571,6 +1577,9 @@ class PDFSerializer(object):
string = string.replace('\n', r'\n') string = string.replace('\n', r'\n')
string = string.replace('(', r'\(') string = string.replace('(', r'\(')
string = string.replace(')', r'\)') 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 return string
def serialize_object(self, obj): def serialize_object(self, obj):