mirror of
https://github.com/Leseratte10/acsm-calibre-plugin.git
synced 2024-11-16 11:46:10 +06:00
521 lines
23 KiB
Python
521 lines
23 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Calibre plugin for ACSM files.
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# Revision history:
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# v0.0.1: First version.
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# v0.0.2: Allow key extraction without extra binary call (unreleased test version)
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# v0.0.3: Standalone Calibre plugin for Linux, Windows, MacOS without the need for libgourou.
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# v0.0.4: Manually execute DeDRM (if installed) after converting ACSM to EPUB.
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# v0.0.5: Bugfix: DeDRM plugin was also executed if it's installed but disabled.
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# v0.0.6: First PDF support, allow importing previously exported activation data.
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# v0.0.7: More PDF logging, PDF reading in latin-1, MacOS locale bugfix
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# v0.0.8: More PDF bugfixes, support unlimited PDF file sizes, tell Calibre ACSMs are books.
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# v0.0.9: Add FulfillmentNotification support, add LoanReturn support.
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# v0.0.10: Fix nonce calculation, merge PRs #3 and #4 (PyCryptodome stuff)
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# v0.0.11: Ignore SSL errors during ACS notify, improve element hashing code,
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# improve PassHash support, include UUID in key export filename,
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# fix bug that would block other FileTypePlugins
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# v0.0.12: Fix Calibre Plugin index / updater
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# v0.0.13: v0.0.13 was a development / beta version with lots of different published test
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# versions. To make support easier there's no "final" v0.0.13 version. Instead,
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# all the changes from the various v0.0.13 beta versions are released with v0.0.14.
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# v0.0.14: Add support for emulating multiple ADE versions (1.7.2, 2.0.1, 3.0.1, 4.0.3, 4.5.11),
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# add code to import existing activation from ADE (Windows, MacOS or Linux/Wine),
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# add code to remove an existing activation from the plugin (Ctrl+Shift+D),
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# fix race condition when importing multiple ACSMs simultaneously,
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# fix authorization failing with certain non-ASCII characters in username,
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# add detailed logging toggle setting, add auto-delete ACSM setting,
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# add useful error message for ACSMs with nonstandard download type.
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# v0.0.15: Add support for anonymous authorizations, add support for other ID providers,
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# fix ACSM files from Google Play books (no metadata node),
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# allow converting an anonymous auth to an AdobeID auth,
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# update python-cryptography from 3.4.8 to 36.0.1, update python-rsa from 4.7.2 to 4.8.
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# Currently in development:
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# Ignore fatal HTTP errors and/or a missing or broken server during optional
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# fulfillment notifications, allow authorizing an eReader through USB (experimental),
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# drop dependencies python-cryptography, python-rsa and python-pyasn1.
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# add a ton of testing code, try to prevent AV false-positives,
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# experimental support for Python2 / Calibre < 5,
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# fix broken URLs with missing protocol, fix loan data for loans without device ID.
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PLUGIN_NAME = "DeACSM"
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PLUGIN_VERSION_TUPLE = (0, 0, 15)
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from calibre.customize import FileTypePlugin # type: ignore
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__version__ = PLUGIN_VERSION = ".".join([str(x)for x in PLUGIN_VERSION_TUPLE])
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from calibre.utils.config import config_dir # type: ignore
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from calibre.constants import isosx, iswindows, islinux # type: ignore
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import os, shutil, traceback, sys, time, io, random
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import zipfile
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from lxml import etree
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#@@CALIBRE_COMPAT_CODE@@
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class DeACSM(FileTypePlugin):
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name = PLUGIN_NAME
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description = "ACSM Input Plugin - Takes an Adobe ACSM file and converts that into a useable EPUB or PDF file. Python reimplementation of libgourou by Grégory Soutadé"
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supported_platforms = ['linux', 'osx', 'windows']
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author = "Leseratte10"
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version = PLUGIN_VERSION_TUPLE
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minimum_calibre_version = (4, 0, 0)
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file_types = set(['acsm'])
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on_import = True
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on_preprocess = True
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priority = 2000
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def initialize(self):
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"""
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On initialization, make sure we have all the libraries (oscrypto and its dependency
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asn1crypto) that the plugin needs. Unfortunately the Adobe encryption is kinda weird
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and nonstandard and doesn't work with just the python modules included with Calibre.
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"""
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try:
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# Patch Calibre to consider "ACSM" a book. This makes ACSM files show up
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# in the "Add Book" file selection, and it also makes the auto-add feature useable.
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try:
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from calibre.ebooks import BOOK_EXTENSIONS
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if ("acsm" not in BOOK_EXTENSIONS):
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BOOK_EXTENSIONS.append("acsm")
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except:
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print("{0} v{1}: Couldn't add ACSM to book extension list:".format(PLUGIN_NAME, PLUGIN_VERSION))
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traceback.print_exc()
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self.pluginsdir = os.path.join(config_dir,"plugins")
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if not os.path.exists(self.pluginsdir):
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os.mkdir(self.pluginsdir)
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self.maindir = os.path.join(self.pluginsdir,"DeACSM")
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if not os.path.exists(self.maindir):
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os.mkdir(self.maindir)
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# Extract new modules
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self.moddir = os.path.join(self.maindir,"modules")
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if not os.path.exists(self.moddir):
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os.mkdir(self.moddir)
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# Check if we have a module id:
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# Modules will only be extracted if this has changed.
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# This A) saves time because we don't extract every time,
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# and B) prevents a race condition.
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# The compiling scripts need to be adapted to modify
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# the module_id.txt in the plugin ZIP every time the
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# modules change
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try:
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ts_file = os.path.join(self.moddir, "module_id.txt")
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f = open(ts_file, "r")
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id = f.readline().strip()
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f.close()
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except:
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# No timestamp found, probably upgrading from an older version.
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id = None
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# Check ID file in the plugin ZIP
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try:
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ts_dict = self.load_resources( ["module_id.txt"] )
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id_plugin = ts_dict["module_id.txt"].decode("latin-1").split('\n')[0].strip()
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except:
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# No timestamp found in the plugin ZIP?
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# Assume that I made a mistake bundling the plugin, extract anyways.
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id_plugin = None
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if id is None or id_plugin is None or id != id_plugin:
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print("Module update from \"{0}\" to \"{1}\", extracting ...".format(id, id_plugin))
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# Something changed, extract modules.
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if os.path.exists(self.moddir):
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shutil.rmtree(self.moddir, ignore_errors=True)
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rand_path = self.moddir + str(random.randint(0, 1000000000))
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# Generate random name so we don't get conflicts with multiple instances of the plugin running at once.
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# Hack-y solution, but it should work.
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os.mkdir(rand_path)
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names = ["oscrypto.zip", "asn1crypto.zip"]
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# oscrypto is needed to parse the pkcs12 data from Adobe.
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# asn1crypto is a dependency of oscrypto.
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lib_dict = self.load_resources(names)
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for entry, data in lib_dict.items():
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try:
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with zipfile.ZipFile(io.BytesIO(data), 'r') as ref:
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ref.extractall(rand_path)
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except:
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print("{0} v{1}: Exception when copying needed library files".format(PLUGIN_NAME, PLUGIN_VERSION))
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traceback.print_exc()
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pass
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# TEMPORARY
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# oscrypto still doesn't support Ubuntu 22.04
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# add a hacky bugfix
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# once oscrypto supports 22.04, this can be removed.
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ts_dict = self.load_resources( ["module_id.txt"] )
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id_plugin = ts_dict["module_id.txt"].decode("latin-1").split('\n')[0].strip()
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if islinux:
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try:
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print("{0} v{1}: Patching oscrypto for OpenSSL3 support".format(PLUGIN_NAME, PLUGIN_VERSION))
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res_dict = self.load_resources( ["_libcrypto_replacement_file_bugfix.py"] )
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bugfix_file = res_dict["_libcrypto_replacement_file_bugfix.py"]
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dest_path = os.path.join(rand_path, "oscrypto", "oscrypto", "_openssl", "_libcrypto.py")
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backup_path = os.path.join(rand_path, "oscrypto", "oscrypto", "_openssl", "_libcrypto.py.bak")
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shutil.copyfile(dest_path, backup_path)
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f = open(dest_path, "wb")
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f.write(bugfix_file)
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f.close()
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print("{0} v{1}: Patch done".format(PLUGIN_NAME, PLUGIN_VERSION))
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except:
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print("{0} v{1}: Error while patching oscrypto".format(PLUGIN_NAME, PLUGIN_VERSION))
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traceback.print_exc()
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# TEMPORARY END
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if islinux:
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# Also extract EXE files needed for WINE ADE key extraction
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names = [ "keyextract/decrypt_win32.exe", "keyextract/decrypt_win64.exe" ]
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lib_dict = self.load_resources(names)
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for entry, data in lib_dict.items():
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file_path = os.path.join(rand_path, entry.split('/')[1])
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f = open(file_path, "wb")
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f.write(data)
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f.close()
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# Write module ID
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if id_plugin is not None:
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mod_file = os.path.join(rand_path, "module_id.txt")
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f = open(mod_file, "w")
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f.write(id_plugin)
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f.close()
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# Rename temporary path to actual module path so this will be used next time.
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os.rename(rand_path, self.moddir)
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sys.path.insert(0, os.path.join(self.moddir, "oscrypto"))
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sys.path.insert(0, os.path.join(self.moddir, "asn1crypto"))
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# Okay, now all the modules are available, import the Adobe modules.
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from libadobe import createDeviceKeyFile, update_account_path, sendHTTPRequest
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from libadobeAccount import createDeviceFile, createUser, signIn, activateDevice
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from libadobeFulfill import buildRights, fulfill
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import calibre_plugins.deacsm.prefs as prefs # type: ignore
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deacsmprefs = prefs.DeACSM_Prefs()
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update_account_path(deacsmprefs["path_to_account_data"])
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except Exception as e:
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traceback.print_exc()
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raise
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def is_customizable(self):
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return True
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def config_widget(self):
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import calibre_plugins.deacsm.config as config # type: ignore
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return config.ConfigWidget(self.plugin_path)
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def save_settings(self, config_widget):
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config_widget.save_settings()
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def ADE_sanity_check(self):
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import calibre_plugins.deacsm.prefs as prefs # type: ignore
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deacsmprefs = prefs.DeACSM_Prefs()
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from libadobe import get_activation_xml_path
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container = None
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try:
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container = etree.parse(get_activation_xml_path())
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except:
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print("ADE sanity check: Can't parse activation container")
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return False
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try:
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adeptNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
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if container.find(adeptNS("activationToken")) == None:
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print("ADE sanity check: activationToken missing")
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return False
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if container.find(adeptNS("credentials")).find(adeptNS("pkcs12")) == None:
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print("ADE sanity check: pkcs12 missing")
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return False
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try:
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from libadobeFulfill import getDecryptedCert
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if getDecryptedCert() is None:
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print("ADE sanity check: Can't decrypt pkcs12")
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return False
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except:
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print("Skipping decryption check")
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return True
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except:
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print("ADE sanity check: Exception")
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traceback.print_exc()
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return False
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def download(self, replyData):
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# type: (str) -> str
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from libadobe import sendHTTPRequest_DL2FILE
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from libadobeFulfill import buildRights, fulfill
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from libpdf import patch_drm_into_pdf
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adobe_fulfill_response = etree.fromstring(replyData)
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NSMAP = { "adept" : "http://ns.adobe.com/adept" }
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adNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
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try:
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download_url = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("src"))).text
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except:
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print("{0} v{1}: FulfillmentResult does not contain the <src> tag. This may be an ACSM with download type 'auth'?".format(PLUGIN_NAME, PLUGIN_VERSION))
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print("{0} v{1}: Please open a bug report and attach the ACSM file if you see this message.".format(PLUGIN_NAME, PLUGIN_VERSION))
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return None
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license_token_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("licenseToken")))
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rights_xml_str = buildRights(license_token_node)
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if (rights_xml_str is None):
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print("{0} v{1}: Building rights.xml failed!".format(PLUGIN_NAME, PLUGIN_VERSION))
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return None
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# Download eBook:
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print("{0} v{1}: Loading book from {2}".format(PLUGIN_NAME, PLUGIN_VERSION, download_url))
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filename_tmp = self.temporary_file(".blob").name
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dl_start_time = int(time.time() * 1000)
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ret = sendHTTPRequest_DL2FILE(download_url, filename_tmp)
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dl_end_time = int(time.time() * 1000)
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print("Download took %d ms (HTTP %d)" % (dl_end_time - dl_start_time, ret))
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if (ret != 200):
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print("{0} v{1}: Download failed with error {2}".format(PLUGIN_NAME, PLUGIN_VERSION, ret))
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return None
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filetype = ".bin"
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book_content = None
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with open(filename_tmp, "rb") as f:
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book_content = f.read(10)
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if (book_content.startswith(b"PK")):
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print("That's a ZIP file -> EPUB")
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filetype = ".epub"
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elif (book_content.startswith(b"%PDF")):
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print("That's a PDF file")
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filetype = ".pdf"
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filename = self.temporary_file(filetype).name
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# Move to file name with matching extension
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shutil.move(filename_tmp, filename)
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if filetype == ".epub":
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# Store EPUB rights / encryption stuff
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zf = zipfile.ZipFile(filename, "a")
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zf.writestr("META-INF/rights.xml", rights_xml_str)
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zf.close()
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print("{0} v{1}: File successfully fulfilled ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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return filename
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elif filetype == ".pdf":
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adobe_fulfill_response = etree.fromstring(rights_xml_str)
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NSMAP = { "adept" : "http://ns.adobe.com/adept" }
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adNS = lambda tag: '{%s}%s' % ('http://ns.adobe.com/adept', tag)
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resource = adobe_fulfill_response.find("./%s/%s" % (adNS("licenseToken"), adNS("resource"))).text
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print("{0} v{1}: Downloaded PDF, adding encryption config ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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pdf_tmp_file = self.temporary_file(filetype).name
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ret = patch_drm_into_pdf(filename, rights_xml_str, pdf_tmp_file, resource)
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if (ret):
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print("{0} v{1}: File successfully fulfilled ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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else:
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print("{0} v{1}: There was an error patching the PDF file.".format(PLUGIN_NAME, PLUGIN_VERSION))
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return pdf_tmp_file
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else:
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print("{0} v{1}: Error: Unsupported file type ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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return None
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def run(self, path_to_ebook):
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# type: (str) -> str
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# This code gets called by Calibre with a path to the new book file.
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# We need to check if it's an ACSM file
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print("{0} v{1}: Trying to parse file {2}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
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ext = os.path.splitext(path_to_ebook)[1].lower()
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if (ext != ".acsm"):
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print("{0} v{1}: That's not an ACSM, returning (is {2} instead)... ".format(PLUGIN_NAME, PLUGIN_VERSION, ext))
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return path_to_ebook
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# That's an ACSM.
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# We would fulfill this now, but first perform some sanity checks ...
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if not self.ADE_sanity_check():
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print("{0} v{1}: ADE auth is missing or broken ".format(PLUGIN_NAME, PLUGIN_VERSION))
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return path_to_ebook
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from libadobe import are_ade_version_lists_valid
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from libadobeFulfill import fulfill
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if not are_ade_version_lists_valid():
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print("{0} v{1}: ADE version list mismatch, please open a bug report.".format(PLUGIN_NAME, PLUGIN_VERSION))
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return path_to_ebook
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print("{0} v{1}: Try to fulfill ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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import calibre_plugins.deacsm.prefs as prefs # type: ignore
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deacsmprefs = prefs.DeACSM_Prefs()
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success, replyData = fulfill(path_to_ebook, deacsmprefs["notify_fulfillment"])
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if (success is False):
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print("{0} v{1}: Hey, that didn't work: \n".format(PLUGIN_NAME, PLUGIN_VERSION) + replyData)
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else:
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print("{0} v{1}: Downloading book ...".format(PLUGIN_NAME, PLUGIN_VERSION))
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rpl = self.download(replyData)
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if (rpl is not None):
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# Got a file
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# Because Calibre still thinks this is an ACSM file (not an EPUB)
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# it will not run other FileTypePlugins that handle EPUB (or PDF) files.
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# Loop through all plugins (the list is already sorted by priority),
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# then execute all of them that can handle EPUB / PDF.
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# if the source file is supposed to be deleted after successful fulfillment,
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# this is set to True
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# If there's any errors whatsoever during export / plugin execution,
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# this will be set back to False to prevent deletion.
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delete_src_file = deacsmprefs["delete_acsm_after_fulfill"]
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try:
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from calibre.customize.ui import _initialized_plugins, is_disabled
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from calibre.customize import FileTypePlugin
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original_file_for_plugins = rpl
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oo, oe = sys.stdout, sys.stderr
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for plugin in _initialized_plugins:
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#print("{0} v{1}: Plugin '{2}' has prio {3}".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name, plugin.priority))
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# Check if this is a FileTypePlugin
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if not isinstance(plugin, FileTypePlugin):
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#print("{0} v{1}: Plugin '{2}' is no FileTypePlugin, skipping ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name))
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continue
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# Check if it's disabled
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if is_disabled(plugin):
|
|
#print("{0} v{1}: Plugin '{2}' is disabled, skipping ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name))
|
|
continue
|
|
|
|
if plugin.name == self.name:
|
|
#print("{0} v{1}: Plugin '{2}' is me - skipping".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name))
|
|
continue
|
|
|
|
# Check if it's supposed to run on import:
|
|
if not plugin.on_import:
|
|
#print("{0} v{1}: Plugin '{2}' isn't supposed to run during import, skipping ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name))
|
|
continue
|
|
|
|
# Check filetype
|
|
# If neither the book file extension nor "*" is in the plugin,
|
|
# don't execute it.
|
|
my_file_type = os.path.splitext(rpl)[-1].lower().replace('.', '')
|
|
if (not my_file_type in plugin.file_types):
|
|
#print("{0} v{1}: Plugin '{2}' doesn't support {3} files, skipping ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name, my_file_type))
|
|
continue
|
|
|
|
if ("acsm" in plugin.file_types or "*" in plugin.file_types):
|
|
#print("{0} v{1}: Plugin '{2}' would run anyways, skipping ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name, my_file_type))
|
|
continue
|
|
|
|
print("{0} v{1}: Executing plugin {2} ...".format(PLUGIN_NAME, PLUGIN_VERSION, plugin.name))
|
|
|
|
plugin.original_path_to_file = original_file_for_plugins
|
|
|
|
try:
|
|
plugin_ret = None
|
|
plugin_ret = plugin.run(rpl)
|
|
except:
|
|
delete_src_file = False
|
|
print("{0} v{1}: Running file type plugin failed with traceback:".format(PLUGIN_NAME, PLUGIN_VERSION))
|
|
traceback.print_exc(file=oe)
|
|
|
|
# Restore stdout and stderr, in case a plugin broke them.
|
|
sys.stdout, sys.stderr = oo, oe
|
|
|
|
|
|
if plugin_ret is not None:
|
|
# If the plugin returned a new path, update that.
|
|
print("{0} v{1}: Plugin returned path '{2}', updating.".format(PLUGIN_NAME, PLUGIN_VERSION, plugin_ret))
|
|
rpl = plugin_ret
|
|
else:
|
|
print("{0} v{1}: Plugin returned nothing - skipping".format(PLUGIN_NAME, PLUGIN_VERSION))
|
|
|
|
|
|
|
|
except:
|
|
delete_src_file = False
|
|
print("{0} v{1}: Error while executing other plugins".format(PLUGIN_NAME, PLUGIN_VERSION))
|
|
traceback.print_exc()
|
|
pass
|
|
|
|
# If enabled, and if we didn't encounter any errors, delete the source ACSM file.
|
|
if delete_src_file:
|
|
try:
|
|
if os.path.exists(path_to_ebook):
|
|
print("{0} v{1}: Deleting existing ACSM file {2} ...".format(PLUGIN_NAME, PLUGIN_VERSION, path_to_ebook))
|
|
os.remove(path_to_ebook)
|
|
except:
|
|
print("{0} v{1}: Failed to delete source ACSM after fulfillment.".format(PLUGIN_NAME, PLUGIN_VERSION))
|
|
|
|
|
|
# Return path - either the original one or the one modified by the other plugins.
|
|
return rpl
|
|
|
|
|
|
return path_to_ebook
|
|
|
|
|