mirror of
https://github.com/janeczku/calibre-web
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ebe7cd7ba4
Cookies are saved in database for better Invalidation Cookies expiry date is saved in database for further deletion (missing) Database conversion is missing
159 lines
6.4 KiB
Python
159 lines
6.4 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, cervinko, jkrehm, bodybybuddha, ok11,
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# andy29485, idalin, Kyosfonica, wuqi, Kennyl, lemmsh,
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# falgh1, grunjol, csitko, ytils, xybydy, trasba, vrabe,
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# ruben-herold, marblepebble, JackED42, SiphonSquirrel,
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# apetresc, nanu-c, mutschler
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import hashlib
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import json
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from uuid import uuid4
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from time import time
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from shutil import move, copyfile
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from flask import Blueprint, flash, request, redirect, url_for, abort
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from flask_babel import gettext as _
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from . import logger, gdriveutils, config, ub, calibre_db, csrf
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from .admin import admin_required
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from .file_helper import get_temp_dir
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from .usermanagement import user_login_required
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gdrive = Blueprint('gdrive', __name__, url_prefix='/gdrive')
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log = logger.create()
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try:
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from googleapiclient.errors import HttpError
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except ImportError as err:
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log.debug("Cannot import googleapiclient, using GDrive will not work: %s", err)
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current_milli_time = lambda: int(round(time() * 1000))
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gdrive_watch_callback_token = 'target=calibreweb-watch_files' # nosec
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@gdrive.route("/authenticate")
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@user_login_required
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@admin_required
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def authenticate_google_drive():
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try:
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authUrl = gdriveutils.Gauth.Instance().auth.GetAuthUrl()
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except gdriveutils.InvalidConfigError:
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flash(_('Google Drive setup not completed, try to deactivate and activate Google Drive again'),
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category="error")
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return redirect(url_for('web.index'))
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return redirect(authUrl)
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@gdrive.route("/callback")
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def google_drive_callback():
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auth_code = request.args.get('code')
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if not auth_code:
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abort(403)
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try:
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credentials = gdriveutils.Gauth.Instance().auth.flow.step2_exchange(auth_code)
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with open(gdriveutils.CREDENTIALS, 'w') as f:
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f.write(credentials.to_json())
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except (ValueError, AttributeError) as error:
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log.error(error)
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return redirect(url_for('admin.db_configuration'))
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@gdrive.route("/watch/subscribe")
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@user_login_required
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@admin_required
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def watch_gdrive():
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if not config.config_google_drive_watch_changes_response:
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with open(gdriveutils.CLIENT_SECRETS, 'r') as settings:
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filedata = json.load(settings)
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address = filedata['web']['redirect_uris'][0].rstrip('/').replace('/gdrive/callback', '/gdrive/watch/callback')
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notification_id = str(uuid4())
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try:
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result = gdriveutils.watchChange(gdriveutils.Gdrive.Instance().drive, notification_id,
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'web_hook', address, gdrive_watch_callback_token, current_milli_time() + 604800*1000)
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config.config_google_drive_watch_changes_response = result
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config.save()
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except HttpError as e:
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reason = json.loads(e.content)['error']['errors'][0]
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if reason['reason'] == 'push.webhookUrlUnauthorized':
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flash(_('Callback domain is not verified, '
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'please follow steps to verify domain in google developer console'), category="error")
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else:
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flash(reason['message'], category="error")
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return redirect(url_for('admin.db_configuration'))
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@gdrive.route("/watch/revoke")
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@user_login_required
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@admin_required
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def revoke_watch_gdrive():
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last_watch_response = config.config_google_drive_watch_changes_response
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if last_watch_response:
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try:
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gdriveutils.stopChannel(gdriveutils.Gdrive.Instance().drive, last_watch_response['id'],
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last_watch_response['resourceId'])
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except (HttpError, AttributeError):
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pass
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config.config_google_drive_watch_changes_response = {}
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config.save()
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return redirect(url_for('admin.db_configuration'))
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try:
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@csrf.exempt
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@gdrive.route("/watch/callback", methods=['GET', 'POST'])
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def on_received_watch_confirmation():
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if not config.config_google_drive_watch_changes_response:
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return ''
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if request.headers.get('X-Goog-Channel-Token') != gdrive_watch_callback_token \
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or request.headers.get('X-Goog-Resource-State') != 'change' \
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or not request.data:
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return ''
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log.debug('%r', request.headers)
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log.debug('%r', request.data)
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log.info('Change received from gdrive')
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try:
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j = json.loads(request.data)
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log.info('Getting change details')
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response = gdriveutils.getChangeById(gdriveutils.Gdrive.Instance().drive, j['id'])
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log.debug('%r', response)
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if response:
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dbpath = os.path.join(config.config_calibre_dir, "metadata.db").encode()
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if not response['deleted'] and response['file']['title'] == 'metadata.db' \
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and response['file']['md5Checksum'] != hashlib.md5(dbpath): # nosec
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tmp_dir = get_temp_dir()
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log.info('Database file updated')
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copyfile(dbpath, os.path.join(tmp_dir, "metadata.db_" + str(current_milli_time())))
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log.info('Backing up existing and downloading updated metadata.db')
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gdriveutils.downloadFile(None, "metadata.db", os.path.join(tmp_dir, "tmp_metadata.db"))
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log.info('Setting up new DB')
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# prevent error on windows, as os.rename does on existing files, also allow cross hdd move
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move(os.path.join(tmp_dir, "tmp_metadata.db"), dbpath)
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calibre_db.reconnect_db(config, ub.app_DB_path)
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except Exception as ex:
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log.error_or_exception(ex)
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return ''
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except AttributeError:
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pass
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