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112 lines
4.0 KiB
Python
112 lines
4.0 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) 2018-2020 OzzieIsaacs
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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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from functools import wraps
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from sqlalchemy.sql.expression import func
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from werkzeug.security import check_password_hash
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from flask_login import login_required, login_user
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from flask import request, Response
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from . import lm, ub, config, constants, services, logger, limiter
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log = logger.create()
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def login_required_if_no_ano(func):
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@wraps(func)
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def decorated_view(*args, **kwargs):
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if config.config_anonbrowse == 1:
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return func(*args, **kwargs)
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return login_required(func)(*args, **kwargs)
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return decorated_view
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def requires_basic_auth_if_no_ano(f):
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@wraps(f)
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def decorated(*args, **kwargs):
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auth = request.authorization
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if not auth or auth.type != 'basic':
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if config.config_anonbrowse != 1:
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user = load_user_from_reverse_proxy_header(request)
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if user:
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return f(*args, **kwargs)
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return _authenticate()
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else:
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return f(*args, **kwargs)
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if config.config_login_type == constants.LOGIN_LDAP and services.ldap:
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login_result, error = services.ldap.bind_user(auth.username, auth.password)
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if login_result:
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user = _fetch_user_by_name(auth.username)
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[limiter.limiter.storage.clear(k.key) for k in limiter.current_limits]
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login_user(user)
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return f(*args, **kwargs)
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elif login_result is not None:
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log.error(error)
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return _authenticate()
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user = _load_user_from_auth_header(auth.username, auth.password)
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if not user:
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return _authenticate()
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return f(*args, **kwargs)
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return decorated
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def _load_user_from_auth_header(username, password):
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limiter.check()
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user = _fetch_user_by_name(username)
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if bool(user and check_password_hash(str(user.password), password)) and user.name != "Guest":
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[limiter.limiter.storage.clear(k.key) for k in limiter.current_limits]
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login_user(user)
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return user
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else:
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ip_address = request.headers.get('X-Forwarded-For', request.remote_addr)
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log.warning('OPDS Login failed for user "%s" IP-address: %s', username, ip_address)
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return None
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def _authenticate():
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return Response(
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'Could not verify your access level for that URL.\n'
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'You have to login with proper credentials', 401,
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{'WWW-Authenticate': 'Basic realm="Login Required"'})
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def _fetch_user_by_name(username):
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return ub.session.query(ub.User).filter(func.lower(ub.User.name) == username.lower()).first()
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@lm.user_loader
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def load_user(user_id):
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user = ub.session.query(ub.User).filter(ub.User.id == int(user_id)).first()
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return user
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@lm.request_loader
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def load_user_from_reverse_proxy_header(req):
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if config.config_allow_reverse_proxy_header_login:
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rp_header_name = config.config_reverse_proxy_login_header_name
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if rp_header_name:
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rp_header_username = req.headers.get(rp_header_name)
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if rp_header_username:
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user = _fetch_user_by_name(rp_header_username)
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if user:
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[limiter.limiter.storage.clear(k.key) for k in limiter.current_limits]
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login_user(user)
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return user
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return None
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