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mirror of https://github.com/janeczku/calibre-web synced 2024-11-09 11:30:00 +00:00
calibre-web/cps/gdrive.py
Ozzie Isaacs ebe7cd7ba4 proxy login is now no longer saving cookies,
Cookies are saved in database for better Invalidation
Cookies expiry date is saved in database for further deletion (missing)
Database conversion is missing
2024-07-14 16:24:07 +02:00

159 lines
6.4 KiB
Python

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