DeDRM_tools/DeDRM_plugin/__init__.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# __init__.py for DeDRM_plugin
# Copyright © 2008-2020 Apprentice Harper et al.
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# Copyright © 2021 NoDRM
__license__ = 'GPL v3'
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__version__ = '10.0.2'
__docformat__ = 'restructuredtext en'
# Released under the terms of the GNU General Public Licence, version 3
# <http://www.gnu.org/licenses/>
#
# All credit given to i♥cabbages and The Dark Reverser for the original standalone scripts.
# We had the much easier job of converting them to a calibre plugin.
#
# This plugin is meant to decrypt eReader PDBs, Adobe Adept ePubs, Barnes & Noble ePubs,
# Adobe Adept PDFs, Amazon Kindle and Mobipocket files without having
# to install any dependencies... other than having calibre installed, of course.
#
# Configuration:
# Check out the plugin's configuration settings by clicking the "Customize plugin"
# button when you have the "DeDRM" plugin highlighted (under Preferences->
# Plugins->File type plugins). Once you have the configuration dialog open, you'll
# see a Help link on the top right-hand side.
#
# Revision history:
# 6.0.0 - Initial release
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# 6.0.1 - Bug Fixes for Windows App, Kindle for Mac and Windows Adobe Digital Editions
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# 6.0.2 - Restored call to Wine to get Kindle for PC keys, added for ADE
# 6.0.3 - Fixes for Kindle for Mac and Windows non-ascii user names
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# 6.0.4 - Fixes for stand-alone scripts and applications
# and pdb files in plugin and initial conversion of prefs.
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# 6.0.5 - Fix a key issue
# 6.0.6 - Fix up an incorrect function call
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# 6.0.7 - Error handling for incomplete PDF metadata
# 6.0.8 - Fixes a Wine key issue and topaz support
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# 6.0.9 - Ported to work with newer versions of Calibre (moved to Qt5). Still supports older Qt4 versions.
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# 6.1.0 - Fixed multiple books import problem and PDF import with no key problem
# 6.2.0 - Support for getting B&N key from nook Study log. Fix for UTF-8 filenames in Adobe ePubs.
# Fix for not copying needed files. Fix for getting default Adobe key for PDFs
# 6.2.1 - Fix for non-ascii Windows user names
# 6.2.2 - Added URL method for B&N/nook books
# 6.3.0 - Added in Kindle for Android serial number solution
# 6.3.1 - Version number bump for clarity
# 6.3.2 - Fixed Kindle for Android help file
# 6.3.3 - Bug fix for Kindle for PC support
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# 6.3.4 - Fixes for Kindle for Android, Linux, and Kobo 3.17
# 6.3.5 - Fixes for Linux, and Kobo 3.19 and more logging
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# 6.3.6 - Fixes for ADE ePub and PDF introduced in 6.3.5
# 6.4.0 - Updated for new Kindle for PC encryption
# 6.4.1 - Fix for some new tags in Topaz ebooks.
# 6.4.2 - Fix for more new tags in Topaz ebooks and very small Topaz ebooks
# 6.4.3 - Fix for error that only appears when not in debug mode
# Also includes fix for Macs with bonded ethernet ports
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# 6.5.0 - Big update to Macintosh app
# Fix for some more 'new' tags in Topaz ebooks.
# Fix an error in wineutils.py
# 6.5.1 - Updated version number, added PDF check for DRM-free documents
# 6.5.2 - Another Topaz fix
# 6.5.3 - Warn about KFX files explicitly
# 6.5.4 - Mac App Fix, improve PDF decryption, handle latest tcl changes in ActivePython
# 6.5.5 - Finally a fix for the Windows non-ASCII user names.
# 6.6.0 - Add kfx and kfx-zip as supported file types (also invoke this plugin if the original
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# imported format was azw8 since that may be converted to kfx)
# 6.6.1 - Thanks to wzyboy for a fix for stand-alone tools, and the new folder structure.
# 6.6.2 - revamp of folders to get Mac OS X app working. Updated to 64-bit app. Various fixes.
# 6.6.3 - More cleanup of kindle book names and start of support for .kinf2018
# 6.7.0 - Handle new library in calibre.
# 6.8.0 - Full support for .kinf2018 and new KFX encryption (Kindle for PC/Mac 2.5+)
# 6.8.1 - Kindle key fix for Mac OS X Big Sur
# 7.0.0 - Switched to Python 3 for calibre 5.0. Thanks to all who contributed
# 7.0.1 - More Python 3 changes. Adobe PDF decryption should now work in some cases
# 7.0.2 - More Python 3 changes. Adobe PDF decryption should now work on PC too.
# 7.0.3 - More Python 3 changes. Integer division in ineptpdf.py
# 7.1.0 - Full release for calibre 5.x
# 7.2.0 - Update for latest KFX changes, and Python 3 Obok fixes.
# 7.2.1 - Whitespace!
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# 10.0.0 - First forked version by NoDRM. See CHANGELOG.md for details.
# 10.0.1 - Fixes a bug in the watermark code.
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# 10.0.2 - Fix Kindle for Mac & update Adobe key retrieval
"""
Decrypt DRMed ebooks.
"""
PLUGIN_NAME = "DeDRM"
PLUGIN_VERSION_TUPLE = tuple([int(x) for x in __version__.split(".")])
PLUGIN_VERSION = ".".join([str(x)for x in PLUGIN_VERSION_TUPLE])
# Include an html helpfile in the plugin's zipfile with the following name.
RESOURCE_NAME = PLUGIN_NAME + '_Help.htm'
import codecs
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import sys, os
import time
import traceback
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class DeDRMError(Exception):
pass
from calibre.customize import FileTypePlugin
try:
from calibre.constants import iswindows, isosx
except:
iswindows = sys.platform.startswith('win')
isosx = sys.platform.startswith('darwin')
from calibre.utils.config import config_dir
# Wrap a stream so that output gets flushed immediately
# and also make sure that any unicode strings get safely
# encoded using "replace" before writing them.
class SafeUnbuffered:
def __init__(self, stream):
self.stream = stream
self.encoding = stream.encoding
if self.encoding == None:
self.encoding = "utf-8"
def write(self, data):
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if isinstance(data,str) or isinstance(data,unicode):
# str for Python3, unicode for Python2
data = data.encode(self.encoding,"replace")
try:
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buffer = getattr(self.stream, 'buffer', self.stream)
# self.stream.buffer for Python3, self.stream for Python2
buffer.write(data)
buffer.flush()
except:
# We can do nothing if a write fails
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raise
def __getattr__(self, attr):
return getattr(self.stream, attr)
class DeDRM(FileTypePlugin):
name = PLUGIN_NAME
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description = "Removes DRM from Amazon Kindle, Adobe Adept (including Kobo), Readium LCP, Barnes & Noble, Mobipocket and eReader ebooks. Credit given to i♥cabbages and The Dark Reverser for the original stand-alone scripts."
supported_platforms = ['linux', 'osx', 'windows']
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author = "Apprentice Alf, Apprentice Harper, NoDRM, The Dark Reverser and i♥cabbages"
version = PLUGIN_VERSION_TUPLE
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#minimum_calibre_version = (5, 0, 0) # Python 3.
minimum_calibre_version = (2, 0, 0) # Needs Calibre 1.0 minimum. 1.X untested.
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file_types = set(['epub','pdf','pdb','prc','mobi','pobi','azw','azw1','azw3','azw4','azw8','tpz','kfx','kfx-zip'])
on_import = True
on_preprocess = True
priority = 600
def initialize(self):
"""
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Dynamic modules can't be imported/loaded from a zipfile.
So this routine will extract the appropriate
library for the target OS and copy it to the 'alfcrypto' subdirectory of
calibre's configuration directory. That 'alfcrypto' directory is then
inserted into the syspath (as the very first entry) in the run function
so the CDLL stuff will work in the alfcrypto.py script.
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The extraction only happens once per version of the plugin
Also perform upgrade of preferences once per version
"""
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try:
self.pluginsdir = os.path.join(config_dir,"plugins")
if not os.path.exists(self.pluginsdir):
os.mkdir(self.pluginsdir)
self.maindir = os.path.join(self.pluginsdir,"DeDRM")
if not os.path.exists(self.maindir):
os.mkdir(self.maindir)
self.helpdir = os.path.join(self.maindir,"help")
if not os.path.exists(self.helpdir):
os.mkdir(self.helpdir)
self.alfdir = os.path.join(self.maindir,"libraryfiles")
if not os.path.exists(self.alfdir):
os.mkdir(self.alfdir)
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# only continue if we've never run this version of the plugin before
self.verdir = os.path.join(self.maindir,PLUGIN_VERSION)
if not os.path.exists(self.verdir):
if iswindows:
names = ["alfcrypto.dll","alfcrypto64.dll"]
elif isosx:
names = ["libalfcrypto.dylib"]
else:
names = ["libalfcrypto32.so","libalfcrypto64.so","kindlekey.py","adobekey.py","subasyncio.py"]
lib_dict = self.load_resources(names)
print("{0} v{1}: Copying needed library files from plugin's zip".format(PLUGIN_NAME, PLUGIN_VERSION))
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for entry, data in lib_dict.items():
file_path = os.path.join(self.alfdir, entry)
try:
os.remove(file_path)
except:
pass
try:
open(file_path,'wb').write(data)
except:
print("{0} v{1}: Exception when copying needed library files".format(PLUGIN_NAME, PLUGIN_VERSION))
traceback.print_exc()
pass
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# mark that this version has been initialized
os.mkdir(self.verdir)
except Exception as e:
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traceback.print_exc()
raise
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def postProcessEPUB(self, path_to_ebook):
# This is called after the DRM is removed (or if no DRM was present)
# It does stuff like de-obfuscating fonts (by calling checkFonts)
# or removing watermarks.
postProcessStart = time.time()
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try:
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import calibre_plugins.dedrm.prefs as prefs
dedrmprefs = prefs.DeDRM_Prefs()
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if dedrmprefs["deobfuscate_fonts"] is True:
# Deobfuscate fonts
path_to_ebook = self.checkFonts(path_to_ebook) or path_to_ebook
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if dedrmprefs["remove_watermarks"] is True:
import calibre_plugins.dedrm.epubwatermark as watermark
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# Remove Tolino's CDP watermark file
path_to_ebook = watermark.removeCDPwatermark(self, path_to_ebook) or path_to_ebook
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# Remove watermarks (Amazon or LemonInk) from the OPF file
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path_to_ebook = watermark.removeOPFwatermarks(self, path_to_ebook) or path_to_ebook
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# Remove watermarks (Adobe, Pocketbook or LemonInk) from all HTML and XHTML files
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path_to_ebook = watermark.removeHTMLwatermarks(self, path_to_ebook) or path_to_ebook
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postProcessEnd = time.time()
print("{0} v{1}: Post-processing took {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, postProcessEnd-postProcessStart))
return path_to_ebook
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except:
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print("Error while checking settings")
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return path_to_ebook
def checkFonts(self, path_to_ebook):
# This is called after the normal DRM removal is done.
# It checks if there's fonts that need to be deobfuscated
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try:
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import calibre_plugins.dedrm.epubfontdecrypt as epubfontdecrypt
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output = self.temporary_file(".epub").name
ret = epubfontdecrypt.decryptFontsBook(path_to_ebook, output)
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if (ret == 0):
return output
elif (ret == 1):
return path_to_ebook
else:
print("{0} v{1}: Error during font deobfuscation".format(PLUGIN_NAME, PLUGIN_VERSION))
raise DeDRMError("Font deobfuscation failed")
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except:
print("{0} v{1}: Error during font deobfuscation".format(PLUGIN_NAME, PLUGIN_VERSION))
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traceback.print_exc()
return path_to_ebook
def ePubDecrypt(self,path_to_ebook):
# Create a TemporaryPersistent file to work with.
# Check original epub archive for zip errors.
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import calibre_plugins.dedrm.zipfix as zipfix
inf = self.temporary_file(".epub")
try:
print("{0} v{1}: Verifying zip archive integrity".format(PLUGIN_NAME, PLUGIN_VERSION))
fr = zipfix.fixZip(path_to_ebook, inf.name)
fr.fix()
except Exception as e:
print("{0} v{1}: Error \'{2}\' when checking zip archive".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
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raise
# import the decryption keys
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import calibre_plugins.dedrm.prefs as prefs
dedrmprefs = prefs.DeDRM_Prefs()
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# import the LCP handler
import calibre_plugins.dedrm.lcpdedrm as lcpdedrm
if (lcpdedrm.isLCPbook(path_to_ebook)):
try:
retval = lcpdedrm.decryptLCPbook(path_to_ebook, dedrmprefs['lcp_passphrases'], self)
except:
print("Looks like that didn't work:")
raise
return self.postProcessEPUB(retval)
# Not an LCP book, do the normal EPUB (Adobe) handling.
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# import the Adobe ePub handler
import calibre_plugins.dedrm.ineptepub as ineptepub
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if ineptepub.adeptBook(inf.name):
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if ineptepub.isPassHashBook(inf.name):
# This is an Adobe PassHash / B&N encrypted eBook
print("{0} v{1}: “{2}” is a secure PassHash-protected (B&N) ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
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# Attempt to decrypt epub with each encryption key (generated or provided).
for keyname, userkey in dedrmprefs['bandnkeys'].items():
keyname_masked = "".join(("X" if (x.isdigit()) else x) for x in keyname)
print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked))
of = self.temporary_file(".epub")
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# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
result = ineptepub.decryptBook(userkey, inf.name, of.name)
except:
print("{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
result = 1
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of.close()
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if result == 0:
# Decryption was successful.
# Return the modified PersistentTemporary file to calibre.
return self.postProcessEPUB(of.name)
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print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
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# perhaps we should see if we can get a key from a log file
print("{0} v{1}: Looking for new NOOK Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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# get the default NOOK keys
defaultkeys = []
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###### Add keys from the NOOK Study application (ignoblekeyNookStudy.py)
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try:
if iswindows or isosx:
from calibre_plugins.dedrm.ignoblekeyNookStudy import nookkeys
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defaultkeys_study = nookkeys()
else: # linux
from .wineutils import WineGetKeys
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scriptpath = os.path.join(self.alfdir,"ignoblekeyNookStudy.py")
defaultkeys_study = WineGetKeys(scriptpath, ".b64",dedrmprefs['adobewineprefix'])
except:
print("{0} v{1}: Exception when getting default NOOK Study Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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###### Add keys from the NOOK Microsoft Store application (ignoblekeyNookStudy.py)
try:
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if iswindows:
# That's a Windows store app, it won't run on Linux or MacOS anyways.
# No need to waste time running Wine.
from calibre_plugins.dedrm.ignoblekeyWindowsStore import dump_keys as dump_nook_keys
defaultkeys_store = dump_nook_keys(False)
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except:
print("{0} v{1}: Exception when getting default NOOK Microsoft App keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
###### Add keys from Adobe PassHash ADE activation data (adobekey_get_passhash.py)
try:
if iswindows:
# Right now this is only implemented for Windows. MacOS support still needs to be added.
from calibre_plugins.dedrm.adobekey_get_passhash import passhash_keys
defaultkeys_ade, names = passhash_keys()
if isosx:
print("{0} v{1}: Dumping ADE PassHash data is not yet supported on MacOS.".format(PLUGIN_NAME, PLUGIN_VERSION))
except:
print("{0} v{1}: Exception when getting PassHashes from ADE after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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###### Check if one of the new keys decrypts the book:
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newkeys = []
for keyvalue in defaultkeys_study:
if keyvalue not in dedrmprefs['bandnkeys'].values() and keyvalue not in newkeys:
newkeys.append(keyvalue)
if iswindows:
for keyvalue in defaultkeys_store:
if keyvalue not in dedrmprefs['bandnkeys'].values() and keyvalue not in newkeys:
newkeys.append(keyvalue)
for keyvalue in defaultkeys_ade:
if keyvalue not in dedrmprefs['bandnkeys'].values() and keyvalue not in newkeys:
newkeys.append(keyvalue)
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if len(newkeys) > 0:
try:
for i,userkey in enumerate(newkeys):
print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
of = self.temporary_file(".epub")
# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
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result = ineptepub.decryptBook(userkey, inf.name, of.name)
except:
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print("{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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result = 1
of.close()
if result == 0:
# Decryption was a success
# Store the new successful key in the defaults
print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
try:
if userkey in defaultkeys_ade:
dedrmprefs.addnamedvaluetoprefs('bandnkeys','ade_passhash_'+str(int(time.time())),keyvalue)
else:
dedrmprefs.addnamedvaluetoprefs('bandnkeys','nook_key_'+str(int(time.time())),keyvalue)
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dedrmprefs.writeprefs()
print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
except:
print("{0} v{1}: Exception saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
# Return the modified PersistentTemporary file to calibre.
return self.postProcessEPUB(of.name)
print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
except:
pass
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else:
# This is a "normal" Adobe eBook.
book_uuid = None
try:
# This tries to figure out which Adobe account UUID the book is licensed for.
# If we know that we can directly use the correct key instead of having to
# try them all.
book_uuid = ineptepub.adeptGetUserUUID(inf.name)
except:
pass
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if book_uuid is None:
print("{0} v{1}: {2} is a secure Adobe Adept ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
else:
print("{0} v{1}: {2} is a secure Adobe Adept ePub for UUID {3}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook), book_uuid))
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if book_uuid is not None:
# Check if we have a key with that UUID in its name:
for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
if not book_uuid.lower() in keyname.lower():
continue
# Found matching key
userkey = codecs.decode(userkeyhex, 'hex')
print("{0} v{1}: Trying UUID-matched encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".epub")
try:
result = ineptepub.decryptBook(userkey, inf.name, of.name)
of.close()
if result == 0:
print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
return self.postProcessEPUB(of.name)
except ineptepub.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
return self.postProcessEPUB(path_to_ebook)
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except:
print("{0} v{1}: Exception when decrypting after {2:.1f} seconds - trying other keys".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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# Attempt to decrypt epub with each encryption key (generated or provided).
for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
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userkey = codecs.decode(userkeyhex, 'hex')
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print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
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of = self.temporary_file(".epub")
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# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
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result = ineptepub.decryptBook(userkey, inf.name, of.name)
except ineptepub.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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return self.postProcessEPUB(path_to_ebook)
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except:
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print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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traceback.print_exc()
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result = 1
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try:
of.close()
except:
print("{0} v{1}: Exception closing temporary file after {2:.1f} seconds. Ignored.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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if result == 0:
# Decryption was successful.
# Return the modified PersistentTemporary file to calibre.
print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
return self.postProcessEPUB(of.name)
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print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
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# perhaps we need to get a new default ADE key
print("{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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# get the default Adobe keys
defaultkeys = []
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try:
if iswindows or isosx:
from calibre_plugins.dedrm.adobekey import adeptkeys
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defaultkeys, defaultnames = adeptkeys()
else: # linux
from .wineutils import WineGetKeys
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scriptpath = os.path.join(self.alfdir,"adobekey.py")
defaultkeys, defaultnames = WineGetKeys(scriptpath, ".der",dedrmprefs['adobewineprefix'])
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except:
print("{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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newkeys = []
newnames = []
idx = 0
for keyvalue in defaultkeys:
if codecs.encode(keyvalue, 'hex').decode('ascii') not in dedrmprefs['adeptkeys'].values():
newkeys.append(keyvalue)
newnames.append("default_ade_key_uuid_" + defaultnames[idx])
idx += 1
# Check for DeACSM keys:
try:
from calibre_plugins.dedrm.config import checkForDeACSMkeys
newkey, newname = checkForDeACSMkeys()
if newkey is not None:
if codecs.encode(newkey, 'hex').decode('ascii') not in dedrmprefs['adeptkeys'].values():
print("{0} v{1}: Found new key '{2}' in DeACSM plugin".format(PLUGIN_NAME, PLUGIN_VERSION, newname))
newkeys.append(newkey)
newnames.append(newname)
except:
traceback.print_exc()
pass
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if len(newkeys) > 0:
try:
for i,userkey in enumerate(newkeys):
print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
of = self.temporary_file(".epub")
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# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
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result = ineptepub.decryptBook(userkey, inf.name, of.name)
except:
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print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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traceback.print_exc()
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result = 1
of.close()
if result == 0:
# Decryption was a success
# Store the new successful key in the defaults
print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
try:
dedrmprefs.addnamedvaluetoprefs('adeptkeys', newnames[i], codecs.encode(userkey, 'hex').decode('ascii'))
dedrmprefs.writeprefs()
print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
except:
print("{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
print("{0} v{1}: Decrypted with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
# Return the modified PersistentTemporary file to calibre.
return self.postProcessEPUB(of.name)
print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
except Exception as e:
print("{0} v{1}: Unexpected Exception trying a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
pass
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# Something went wrong with decryption.
print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
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# Not a Barnes & Noble nor an Adobe Adept
# Probably a DRM-free EPUB, but we should still check for fonts.
print("{0} v{1}: “{2}” is neither an Adobe Adept nor a Barnes & Noble encrypted ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
return self.postProcessEPUB(inf.name)
#raise DeDRMError("{0} v{1}: Couldn't decrypt after {2:.1f} seconds. DRM free perhaps?".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
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# No DRM?
return self.postProcessEPUB(inf.name)
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import calibre_plugins.dedrm.prefs as prefs
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import calibre_plugins.dedrm.ineptpdf as ineptpdf
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import calibre_plugins.dedrm.lcpdedrm as lcpdedrm
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dedrmprefs = prefs.DeDRM_Prefs()
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if (lcpdedrm.isLCPbook(path_to_ebook)):
try:
retval = lcpdedrm.decryptLCPbook(path_to_ebook, dedrmprefs['lcp_passphrases'], self)
except:
print("Looks like that didn't work:")
raise
return retval
# Not an LCP book, do the normal Adobe handling.
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book_uuid = None
try:
# Try to figure out which Adobe account this book is licensed for.
book_uuid = ineptpdf.adeptGetUserUUID(path_to_ebook)
except:
pass
if book_uuid is None:
print("{0} v{1}: {2} is a PDF ebook".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
else:
print("{0} v{1}: {2} is a PDF ebook for UUID {3}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook), book_uuid))
if book_uuid is not None:
# Check if we have a key for that UUID
for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
if not book_uuid.lower() in keyname.lower():
continue
# Found matching key
userkey = codecs.decode(userkeyhex, 'hex')
print("{0} v{1}: Trying UUID-matched encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".pdf")
try:
result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
of.close()
if result == 0:
print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
return of.name
except ineptpdf.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
return path_to_ebook
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except:
print("{0} v{1}: Exception when decrypting after {2:.1f} seconds - trying other keys".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
# If we end up here, we didn't find a key with a matching UUID, so lets just try all of them.
# Attempt to decrypt PDF with each encryption key (generated or provided).
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for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
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userkey = codecs.decode(userkeyhex,'hex')
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print("{0} v{1}: Trying encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
of = self.temporary_file(".pdf")
# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
except ineptpdf.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
return path_to_ebook
except:
print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
result = 1
of.close()
if result == 0:
# Decryption was successful.
# Return the modified PersistentTemporary file to calibre.
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print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
return of.name
print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
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# perhaps we need to get a new default ADE key
print("{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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# get the default Adobe keys
defaultkeys = []
try:
if iswindows or isosx:
from calibre_plugins.dedrm.adobekey import adeptkeys
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defaultkeys, defaultnames = adeptkeys()
else: # linux
from .wineutils import WineGetKeys
scriptpath = os.path.join(self.alfdir,"adobekey.py")
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defaultkeys, defaultnames = WineGetKeys(scriptpath, ".der",dedrmprefs['adobewineprefix'])
except:
print("{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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newkeys = []
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newnames = []
idx = 0
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for keyvalue in defaultkeys:
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if codecs.encode(keyvalue,'hex') not in dedrmprefs['adeptkeys'].values():
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newkeys.append(keyvalue)
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newnames.append("default_ade_key_uuid_" + defaultnames[idx])
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idx += 1
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# Check for DeACSM keys:
try:
from calibre_plugins.dedrm.config import checkForDeACSMkeys
newkey, newname = checkForDeACSMkeys()
if newkey is not None:
if codecs.encode(newkey, 'hex').decode('ascii') not in dedrmprefs['adeptkeys'].values():
print("{0} v{1}: Found new key '{2}' in DeACSM plugin".format(PLUGIN_NAME, PLUGIN_VERSION, newname))
newkeys.append(keyvalue)
newnames.append(newname)
except:
pass
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if len(newkeys) > 0:
try:
for i,userkey in enumerate(newkeys):
print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
of = self.temporary_file(".pdf")
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# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
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except:
print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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result = 1
of.close()
if result == 0:
# Decryption was a success
# Store the new successful key in the defaults
print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
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try:
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dedrmprefs.addnamedvaluetoprefs('adeptkeys', newnames[i], codecs.encode(userkey,'hex').decode('ascii'))
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dedrmprefs.writeprefs()
print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
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except:
print("{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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traceback.print_exc()
# Return the modified PersistentTemporary file to calibre.
return of.name
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print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
except Exception as e:
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pass
# Unable to decrypt the PDF with any of the existing keys. Is it a B&N PDF?
# Attempt to decrypt PDF with each encryption key (generated or provided).
for keyname, userkey in dedrmprefs['bandnkeys'].items():
keyname_masked = "".join(("X" if (x.isdigit()) else x) for x in keyname)
print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked))
of = self.temporary_file(".pdf")
# Give the user key, ebook and TemporaryPersistent file to the decryption function.
try:
result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name, False)
except ineptpdf.ADEPTNewVersionError:
print("{0} v{1}: Book uses unsupported (too new) Adobe DRM.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
return path_to_ebook
except:
print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
result = 1
of.close()
if result == 0:
# Decryption was successful.
# Return the modified PersistentTemporary file to calibre.
print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
return of.name
print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
# Something went wrong with decryption.
print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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def KindleMobiDecrypt(self,path_to_ebook):
# add the alfcrypto directory to sys.path so alfcrypto.py
# will be able to locate the custom lib(s) for CDLL import.
sys.path.insert(0, self.alfdir)
# Had to move this import here so the custom libs can be
# extracted to the appropriate places beforehand these routines
# look for them.
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import calibre_plugins.dedrm.prefs as prefs
import calibre_plugins.dedrm.k4mobidedrm
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dedrmprefs = prefs.DeDRM_Prefs()
pids = dedrmprefs['pids']
serials = dedrmprefs['serials']
for android_serials_list in dedrmprefs['androidkeys'].values():
#print android_serials_list
serials.extend(android_serials_list)
#print serials
androidFiles = []
kindleDatabases = list(dedrmprefs['kindlekeys'].items())
try:
book = k4mobidedrm.GetDecryptedBook(path_to_ebook,kindleDatabases,androidFiles,serials,pids,self.starttime)
except Exception as e:
decoded = False
# perhaps we need to get a new default Kindle for Mac/PC key
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defaultkeys = []
print("{0} v{1}: Failed to decrypt with error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION,e.args[0]))
print("{0} v{1}: Looking for new default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
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try:
if iswindows or isosx:
from calibre_plugins.dedrm.kindlekey import kindlekeys
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defaultkeys = kindlekeys()
else: # linux
from .wineutils import WineGetKeys
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scriptpath = os.path.join(self.alfdir,"kindlekey.py")
defaultkeys = WineGetKeys(scriptpath, ".k4i",dedrmprefs['kindlewineprefix'])
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except:
print("{0} v{1}: Exception when getting default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
traceback.print_exc()
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pass
newkeys = {}
for i,keyvalue in enumerate(defaultkeys):
keyname = "default_key_{0:d}".format(i+1)
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if keyvalue not in dedrmprefs['kindlekeys'].values():
newkeys[keyname] = keyvalue
if len(newkeys) > 0:
print("{0} v{1}: Found {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), "key" if len(newkeys)==1 else "keys"))
try:
book = k4mobidedrm.GetDecryptedBook(path_to_ebook,list(newkeys.items()),[],[],[],self.starttime)
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decoded = True
# store the new successful keys in the defaults
print("{0} v{1}: Saving {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), "key" if len(newkeys)==1 else "keys"))
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for keyvalue in newkeys.values():
dedrmprefs.addnamedvaluetoprefs('kindlekeys','default_key',keyvalue)
dedrmprefs.writeprefs()
except Exception as e:
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pass
if not decoded:
#if you reached here then no luck raise and exception
print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
of = self.temporary_file(book.getBookExtension())
book.getFile(of.name)
of.close()
book.cleanup()
return of.name
def eReaderDecrypt(self,path_to_ebook):
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import calibre_plugins.dedrm.prefs as prefs
import calibre_plugins.dedrm.erdr2pml
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dedrmprefs = prefs.DeDRM_Prefs()
# Attempt to decrypt epub with each encryption key (generated or provided).
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for keyname, userkey in dedrmprefs['ereaderkeys'].items():
keyname_masked = "".join(("X" if (x.isdigit()) else x) for x in keyname)
print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked))
of = self.temporary_file(".pmlz")
# Give the userkey, ebook and TemporaryPersistent file to the decryption function.
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result = erdr2pml.decryptBook(path_to_ebook, of.name, True, codecs.decode(userkey,'hex'))
of.close()
# Decryption was successful return the modified PersistentTemporary
# file to Calibre's import process.
if result == 0:
print("{0} v{1}: Successfully decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
return of.name
print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
def run(self, path_to_ebook):
# make sure any unicode output gets converted safely with 'replace'
sys.stdout=SafeUnbuffered(sys.stdout)
sys.stderr=SafeUnbuffered(sys.stderr)
print("{0} v{1}: Trying to decrypt {2}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
self.starttime = time.time()
booktype = os.path.splitext(path_to_ebook)[1].lower()[1:]
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if booktype in ['prc','mobi','pobi','azw','azw1','azw3','azw4','tpz','kfx-zip']:
# Kindle/Mobipocket
decrypted_ebook = self.KindleMobiDecrypt(path_to_ebook)
elif booktype == 'pdb':
# eReader
decrypted_ebook = self.eReaderDecrypt(path_to_ebook)
pass
elif booktype == 'pdf':
# Adobe Adept PDF (hopefully)
decrypted_ebook = self.PDFDecrypt(path_to_ebook)
pass
elif booktype == 'epub':
# Adobe Adept or B&N ePub
decrypted_ebook = self.ePubDecrypt(path_to_ebook)
else:
print("Unknown booktype {0}. Passing back to calibre unchanged".format(booktype))
return path_to_ebook
print("{0} v{1}: Finished after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
return decrypted_ebook
def is_customizable(self):
# return true to allow customization via the Plugin->Preferences.
return True
def config_widget(self):
import calibre_plugins.dedrm.config as config
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return config.ConfigWidget(self.plugin_path, self.alfdir)
def save_settings(self, config_widget):
config_widget.save_settings()