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calibre-web/cps/__init__.py

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# -*- 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 sys
import os
import mimetypes
from babel import Locale as LC
from babel import negotiate_locale
from babel.core import UnknownLocaleError
from flask import Flask, request, g
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from .MyLoginManager import MyLoginManager
from flask_babel import Babel
from flask_principal import Principal
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from . import config_sql, logger, cache_buster, cli, ub, db
from .reverseproxy import ReverseProxied
from .server import WebServer
try:
import lxml
lxml_present = True
except ImportError:
lxml_present = False
try:
from flask_wtf.csrf import CSRFProtect
wtf_present = True
except ImportError:
wtf_present = False
mimetypes.init()
mimetypes.add_type('application/xhtml+xml', '.xhtml')
mimetypes.add_type('application/epub+zip', '.epub')
mimetypes.add_type('application/fb2+zip', '.fb2')
mimetypes.add_type('application/x-mobipocket-ebook', '.mobi')
mimetypes.add_type('application/x-mobipocket-ebook', '.prc')
mimetypes.add_type('application/vnd.amazon.ebook', '.azw')
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mimetypes.add_type('application/x-mobi8-ebook', '.azw3')
mimetypes.add_type('application/x-cbr', '.cbr')
mimetypes.add_type('application/x-cbz', '.cbz')
mimetypes.add_type('application/x-cbt', '.cbt')
mimetypes.add_type('image/vnd.djvu', '.djvu')
mimetypes.add_type('application/mpeg', '.mpeg')
mimetypes.add_type('application/mpeg', '.mp3')
mimetypes.add_type('application/mp4', '.m4a')
mimetypes.add_type('application/mp4', '.m4b')
mimetypes.add_type('application/ogg', '.ogg')
mimetypes.add_type('application/ogg', '.oga')
app = Flask(__name__)
app.config.update(
SESSION_COOKIE_HTTPONLY=True,
SESSION_COOKIE_SAMESITE='Lax',
REMEMBER_COOKIE_SAMESITE='Lax', # will be available in flask-login 0.5.1 earliest
WTF_CSRF_SSL_STRICT=False
)
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lm = MyLoginManager()
lm.login_view = 'web.login'
lm.anonymous_user = ub.Anonymous
lm.session_protection = 'strong'
if wtf_present:
csrf = CSRFProtect()
csrf.init_app(app)
else:
csrf = None
ub.init_db(cli.settingspath)
# pylint: disable=no-member
config = config_sql.load_configuration(ub.session)
web_server = WebServer()
babel = Babel()
_BABEL_TRANSLATIONS = set()
log = logger.create()
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from . import services
db.CalibreDB.update_config(config)
db.CalibreDB.setup_db(config.config_calibre_dir, cli.settingspath)
calibre_db = db.CalibreDB()
def create_app():
if sys.version_info < (3, 0):
log.info(
'*** Python2 is EOL since end of 2019, this version of Calibre-Web is no longer supporting Python2, please update your installation to Python3 ***')
print(
'*** Python2 is EOL since end of 2019, this version of Calibre-Web is no longer supporting Python2, please update your installation to Python3 ***')
web_server.stop(True)
sys.exit(5)
if not lxml_present:
log.info('*** "lxml" is needed for calibre-web to run. Please install it using pip: "pip install lxml" ***')
print('*** "lxml" is needed for calibre-web to run. Please install it using pip: "pip install lxml" ***')
web_server.stop(True)
sys.exit(6)
if not wtf_present:
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log.info('*** "flask-WTF" is needed for calibre-web to run. Please install it using pip: "pip install flask-WTF" ***')
print('*** "flask-WTF" is needed for calibre-web to run. Please install it using pip: "pip install flask-WTF" ***')
web_server.stop(True)
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sys.exit(7)
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app.wsgi_app = ReverseProxied(app.wsgi_app)
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if os.environ.get('FLASK_DEBUG'):
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cache_buster.init_cache_busting(app)
log.info('Starting Calibre Web...')
Principal(app)
lm.init_app(app)
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app.secret_key = os.getenv('SECRET_KEY', config_sql.get_flask_session_key(ub.session))
web_server.init_app(app, config)
babel.init_app(app)
_BABEL_TRANSLATIONS.update(str(item) for item in babel.list_translations())
_BABEL_TRANSLATIONS.add('en')
if services.ldap:
services.ldap.init_app(app, config)
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if services.goodreads_support:
services.goodreads_support.connect(config.config_goodreads_api_key,
config.config_goodreads_api_secret,
config.config_use_goodreads)
return app
@babel.localeselector
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def get_locale():
# if a user is logged in, use the locale from the user settings
user = getattr(g, 'user', None)
if user is not None and hasattr(user, "locale"):
if user.name != 'Guest': # if the account is the guest account bypass the config lang settings
return user.locale
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preferred = list()
if request.accept_languages:
for x in request.accept_languages.values():
try:
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preferred.append(str(LC.parse(x.replace('-', '_'))))
except (UnknownLocaleError, ValueError) as e:
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log.debug('Could not parse locale "%s": %s', x, e)
return negotiate_locale(preferred or ['en'], _BABEL_TRANSLATIONS)
@babel.timezoneselector
def get_timezone():
user = getattr(g, 'user', None)
return user.timezone if user else None
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from .updater import Updater
updater_thread = Updater()
updater_thread.start()