# -*- coding: utf-8 -*-
# Copyright 2021 Google Inc.
#
# 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.


"""API handlers for user logout and session termination."""

from flask import session

from framework import basehandlers


class LogoutAPI(basehandlers.APIHandler):
    """Clear the session when the user signs out."""

    def do_get(self, **kwargs):
        """Reject unneeded GET requests without triggering Error Reporting."""
        self.abort(405, valid_methods=['POST'])

    def do_post(self, **kwargs):
        """Handle POST requests."""
        session.clear()
        return {'message': 'Done'}
