# -*- coding: utf-8 -*-

# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import

from twisted.web.resource import Resource

import logging

from sydent.http.servlets import jsonwrap, send_cors
from sydent.db.accounts import AccountStore
from sydent.http.auth import authIfV2, tokenFromRequest


logger = logging.getLogger(__name__)


class LogoutServlet(Resource):
    isLeaf = True

    def __init__(self, syd):
        self.sydent = syd

    @jsonwrap
    def render_POST(self, request):
        """
        Invalidate the given access token
        """
        send_cors(request)

        authIfV2(self.sydent, request, False)

        token = tokenFromRequest(request)

        accountStore = AccountStore(self.sydent)
        accountStore.delToken(token)
        return {}

    def render_OPTIONS(self, request):
        send_cors(request)
        return b''