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DeDRM_tools
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Change to unicode strings to fix stand-alone character encoding problems

This commit is contained in:
apprenticeharper 2015-09-30 07:39:29 +01:00
parent b1cccf4b25
commit 4ea0d81144
4 changed files with 112 additions and 66 deletions
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Obok_calibre_plugin/obok_plugin.zip
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Obok_calibre_plugin/obok_plugin/__init__.py
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@ -19,7 +19,7 @@ except NameError:
PLUGIN_NAME = 'Obok DeDRM'
PLUGIN_SAFE_NAME = PLUGIN_NAME.strip().lower().replace(' ', '_')
PLUGIN_DESCRIPTION = _('Removes DRM from Kobo kepubs and adds them to the library.')
PLUGIN_VERSION_TUPLE = (3, 1, 5)
PLUGIN_VERSION_TUPLE = (3, 1, 6)
PLUGIN_VERSION = '.'.join([str(x) for x in PLUGIN_VERSION_TUPLE])
HELPFILE_NAME = PLUGIN_SAFE_NAME + '_Help.htm'
PLUGIN_AUTHORS = 'Anon'

74
Obok_calibre_plugin/obok_plugin/obok/obok.py
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@ -1,6 +1,10 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Version 3.1.6 September 2015
# Enable support for Kobo devices
# More character encoding fixes (unicode strings)
#
# Version 3.1.5 September 2015
# Removed requirement that a purchase has been made.
# Also add in character encoding fixes
@ -119,7 +123,7 @@
#
"""Manage all Kobo books, either encrypted or DRM-free."""
__version__ = '3.1.5'
__version__ = '3.1.6'
import sys
import os
@ -246,36 +250,41 @@ class KoboLibrary(object):
def __init__ (self, serials = [], device_path = None):
print u"Obok v{0}\nCopyright © 2012-2015 Physisticated et al.".format(__version__)
self.kobodir = ''
kobodb = ''
self.kobodir = u""
kobodb = u""
# - first check whether serials have been found or are provided
# and a device is connected. In this case, use the device
# - otherwise fall back to Kobo Desktop Application for Windows and Mac
if (device_path and (len(serials) > 0)):
self.kobodir = os.path.join(device_path, '.kobo')
self.kobodir = os.path.join(device_path, u".kobo")
# devices use KoboReader.sqlite
kobodb = os.path.join(self.kobodir, 'KoboReader.sqlite')
kobodb = os.path.join(self.kobodir, u"KoboReader.sqlite")
if (not(os.path.exists(kobodb))):
# give up here, we haven't found anything useful
self.kobodir = ''
kobodb = ''
self.kobodir = u""
kobodb = u""
if (self.kobodir == ''):
if (self.kobodir == u""):
# we haven't found a device with serials, so try desktop apps
if sys.platform.startswith('win'):
import _winreg as winreg
if sys.getwindowsversion().major > 5:
self.kobodir = os.environ['LOCALAPPDATA']
else:
self.kobodir = os.path.join(os.environ['USERPROFILE'], 'Local Settings', 'Application Data')
self.kobodir = os.path.join(self.kobodir, 'Kobo', 'Kobo Desktop Edition')
if 'LOCALAPPDATA' in os.environ.keys():
# Python 2.x does not return unicode env. Use Python 3.x
self.kobodir = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
if (self.kobodir == u""):
if 'USERPROFILE' in os.environ.keys():
# Python 2.x does not return unicode env. Use Python 3.x
self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings(u"%USERPROFILE%"), u"Local Settings", u"Application Data")
self.kobodir = os.path.join(self.kobodir, u"Kobo", u"Kobo Desktop Edition")
elif sys.platform.startswith('darwin'):
self.kobodir = os.path.join(os.environ['HOME'], 'Library', 'Application Support', 'Kobo', 'Kobo Desktop Edition')
self.kobodir = os.path.join(os.environ['HOME'], u"Library", u"Application Support", u"Kobo", u"Kobo Desktop Edition")
# desktop versions use Kobo.sqlite
kobodb = os.path.join(self.kobodir, 'Kobo.sqlite')
kobodb = os.path.join(self.kobodir, u"Kobo.sqlite")
if (self.kobodir != ''):
self.bookdir = os.path.join(self.kobodir, 'kepub')
if (self.kobodir != u""):
self.bookdir = os.path.join(self.kobodir, u"kepub")
self.__sqlite = sqlite3.connect(kobodb)
self.__cursor = self.__sqlite.cursor()
self._userkeys = []
@ -322,7 +331,7 @@ class KoboLibrary(object):
def __bookfile (self, volumeid):
"""The filename needed to open a given book."""
return os.path.join(self.kobodir, 'kepub', volumeid)
return os.path.join(self.kobodir, u"kepub", volumeid)
def __getmacaddrs (self):
"""The list of all MAC addresses on this machine."""
@ -338,7 +347,7 @@ class KoboLibrary(object):
output = subprocess.check_output('/sbin/ifconfig -a', shell=True)
matches = c.findall(output)
for m in matches:
# print "m:",m[0]
# print u"m:{0}".format(m[0])
macaddrs.append(m[0].upper())
# extend the list of macaddrs in any case with the serials
@ -480,13 +489,13 @@ class KoboFile(object):
if contents[:5]=="<?xml":
return True
else:
print "Bad XML: ",contents[:5]
print u"Bad XML: {0}".format(contents[:5])
raise ValueError
if self.mimetype == 'image/jpeg':
if contents[:3] == '\xff\xd8\xff':
return True
else:
print "Bad JPEG: ", contents[:3].encode('hex')
print u"Bad JPEG: {0}".format(contents[:3].encode('hex'))
raise ValueError()
return False
@ -512,31 +521,30 @@ def cli_main():
lib = KoboLibrary()
for i, book in enumerate(lib.books):
print ('%d: %s' % (i + 1, book.title)).encode('ascii', 'ignore')
print u"{0}: {1}".format(i + 1, book.title)
num_string = raw_input("Convert book number... ")
num_string = raw_input(u"Convert book number... ")
try:
num = int(num_string)
book = lib.books[num - 1]
except (ValueError, IndexError):
exit()
print "Converting", book.title
print u"Converting {0}".format(book.title)
zin = zipfile.ZipFile(book.filename, "r")
# make filename out of Unicode alphanumeric and whitespace equivalents from title
outname = "%s.epub" % (re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
outname = u"{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
if (book.type == 'drm-free'):
print "DRM-free book, conversion is not needed"
print u"DRM-free book, conversion is not needed"
shutil.copyfile(book.filename, outname)
print "Book saved as", os.path.join(os.getcwd(), outname)
print u"Book saved as {0}".format(os.path.join(os.getcwd(), outname))
exit(0)
result = 1
for userkey in lib.userkeys:
# print "Trying key: ",userkey.encode('hex_codec')
confirmedGood = False
print u"Trying key: {0}".format(userkey.encode('hex_codec'))
try:
zout = zipfile.ZipFile(outname, "w", zipfile.ZIP_DEFLATED)
for filename in zin.namelist():
@ -545,20 +553,22 @@ def cli_main():
file = book.encryptedfiles[filename]
contents = file.decrypt(userkey, contents)
# Parse failures mean the key is probably wrong.
if not confirmedGood:
confirmedGood = file.check(contents)
file.check(contents)
zout.writestr(filename, contents)
zout.close()
print "Book saved as", os.path.join(os.getcwd(), outname)
print u"Decryption succeeded."
print u"Book saved as {0}".format(os.path.join(os.getcwd(), outname))
result = 0
break
except ValueError:
print "Decryption failed, trying next key"
print u"Decryption failed."
zout.close()
os.remove(outname)
zin.close()
lib.close()
if result != 0:
print u"Could not decrypt book with any of the keys found."
return result
if __name__ == '__main__':

102
Other_Tools/Kobo/obok.py
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@ -1,6 +1,10 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Version 3.1.6 September 2015
# Enable support for Kobo devices
# More character encoding fixes (unicode strings)
#
# Version 3.1.5 September 2015
# Removed requirement that a purchase has been made.
# Also add in character encoding fixes
@ -119,7 +123,7 @@
#
"""Manage all Kobo books, either encrypted or DRM-free."""
__version__ = '3.1.5'
__version__ = '3.1.6'
import sys
import os
@ -244,23 +248,49 @@ class KoboLibrary(object):
written by the Kobo Desktop Edition application, including the list
of books, their titles, and the user's encryption key(s)."""
def __init__ (self):
def __init__ (self, serials = [], device_path = None):
print u"Obok v{0}\nCopyright © 2012-2015 Physisticated et al.".format(__version__)
if sys.platform.startswith('win'):
if sys.getwindowsversion().major > 5:
self.kobodir = os.environ['LOCALAPPDATA']
else:
self.kobodir = os.path.join(os.environ['USERPROFILE'], 'Local Settings', 'Application Data')
self.kobodir = os.path.join(self.kobodir, 'Kobo', 'Kobo Desktop Edition')
elif sys.platform.startswith('darwin'):
self.kobodir = os.path.join(os.environ['HOME'], 'Library', 'Application Support', 'Kobo', 'Kobo Desktop Edition')
self.bookdir = os.path.join(self.kobodir, 'kepub')
kobodb = os.path.join(self.kobodir, 'Kobo.sqlite')
self.__sqlite = sqlite3.connect(kobodb)
self.__cursor = self.__sqlite.cursor()
self._userkeys = []
self._books = []
self._volumeID = []
self.kobodir = u""
kobodb = u""
# - first check whether serials have been found or are provided
# and a device is connected. In this case, use the device
# - otherwise fall back to Kobo Desktop Application for Windows and Mac
if (device_path and (len(serials) > 0)):
self.kobodir = os.path.join(device_path, u".kobo")
# devices use KoboReader.sqlite
kobodb = os.path.join(self.kobodir, u"KoboReader.sqlite")
if (not(os.path.exists(kobodb))):
# give up here, we haven't found anything useful
self.kobodir = u""
kobodb = u""
if (self.kobodir == u""):
# we haven't found a device with serials, so try desktop apps
if sys.platform.startswith('win'):
import _winreg as winreg
if sys.getwindowsversion().major > 5:
if 'LOCALAPPDATA' in os.environ.keys():
# Python 2.x does not return unicode env. Use Python 3.x
self.kobodir = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
if (self.kobodir == u""):
if 'USERPROFILE' in os.environ.keys():
# Python 2.x does not return unicode env. Use Python 3.x
self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings(u"%USERPROFILE%"), u"Local Settings", u"Application Data")
self.kobodir = os.path.join(self.kobodir, u"Kobo", u"Kobo Desktop Edition")
elif sys.platform.startswith('darwin'):
self.kobodir = os.path.join(os.environ['HOME'], u"Library", u"Application Support", u"Kobo", u"Kobo Desktop Edition")
# desktop versions use Kobo.sqlite
kobodb = os.path.join(self.kobodir, u"Kobo.sqlite")
if (self.kobodir != u""):
self.bookdir = os.path.join(self.kobodir, u"kepub")
self.__sqlite = sqlite3.connect(kobodb)
self.__cursor = self.__sqlite.cursor()
self._userkeys = []
self._books = []
self._volumeID = []
self._serials = serials
def close (self):
"""Closes the database used by the library."""
@ -301,7 +331,7 @@ class KoboLibrary(object):
def __bookfile (self, volumeid):
"""The filename needed to open a given book."""
return os.path.join(self.kobodir, 'kepub', volumeid)
return os.path.join(self.kobodir, u"kepub", volumeid)
def __getmacaddrs (self):
"""The list of all MAC addresses on this machine."""
@ -317,8 +347,13 @@ class KoboLibrary(object):
output = subprocess.check_output('/sbin/ifconfig -a', shell=True)
matches = c.findall(output)
for m in matches:
# print "m:",m[0]
# print u"m:{0}".format(m[0])
macaddrs.append(m[0].upper())
# extend the list of macaddrs in any case with the serials
# cannot hurt ;-)
macaddrs.extend(self._serials)
return macaddrs
def __getuserids (self):
@ -454,13 +489,13 @@ class KoboFile(object):
if contents[:5]=="<?xml":
return True
else:
print "Bad XML: ",contents[:5]
print u"Bad XML: {0}".format(contents[:5])
raise ValueError
if self.mimetype == 'image/jpeg':
if contents[:3] == '\xff\xd8\xff':
return True
else:
print "Bad JPEG: ", contents[:3].encode('hex')
print u"Bad JPEG: {0}".format(contents[:3].encode('hex'))
raise ValueError()
return False
@ -486,31 +521,30 @@ def cli_main():
lib = KoboLibrary()
for i, book in enumerate(lib.books):
print ('%d: %s' % (i + 1, book.title))
print u"{0}: {1}".format(i + 1, book.title)
num_string = raw_input("Convert book number... ")
num_string = raw_input(u"Convert book number... ")
try:
num = int(num_string)
book = lib.books[num - 1]
except (ValueError, IndexError):
exit()
print "Converting", book.title
print u"Converting {0}".format(book.title)
zin = zipfile.ZipFile(book.filename, "r")
# make filename out of Unicode alphanumeric and whitespace equivalents from title
outname = "%s.epub" % (re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
outname = u"{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
if (book.type == 'drm-free'):
print "DRM-free book, conversion is not needed"
print u"DRM-free book, conversion is not needed"
shutil.copyfile(book.filename, outname)
print "Book saved as", os.path.join(os.getcwd(), outname)
print u"Book saved as {0}".format(os.path.join(os.getcwd(), outname))
exit(0)
result = 1
for userkey in lib.userkeys:
# print "Trying key: ",userkey.encode('hex_codec')
confirmedGood = False
print u"Trying key: {0}".format(userkey.encode('hex_codec'))
try:
zout = zipfile.ZipFile(outname, "w", zipfile.ZIP_DEFLATED)
for filename in zin.namelist():
@ -519,20 +553,22 @@ def cli_main():
file = book.encryptedfiles[filename]
contents = file.decrypt(userkey, contents)
# Parse failures mean the key is probably wrong.
if not confirmedGood:
confirmedGood = file.check(contents)
file.check(contents)
zout.writestr(filename, contents)
zout.close()
print "Book saved as", os.path.join(os.getcwd(), outname)
print u"Decryption succeeded."
print u"Book saved as {0}".format(os.path.join(os.getcwd(), outname))
result = 0
break
except ValueError:
print "Decryption failed, trying next key"
print u"Decryption failed."
zout.close()
os.remove(outname)
zin.close()
lib.close()
if result != 0:
print u"Could not decrypt book with any of the keys found."
return result
if __name__ == '__main__':