# -*- coding: utf-8 -*-
# Generated by generate_test_eventauth.py

# Copyright 2015 - 2016 OpenMarket Ltd
#
# 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 synapse.api.auth import Auth
from synapse.api.errors import SynapseError
from tests import unittest
from tests.utils import setup_test_homeserver
from twisted.internet import defer
from synapse.events import FrozenEvent


class EventAuthTestCase(unittest.TestCase):

    @defer.inlineCallbacks
    def setUp(self):
        self.hs = yield setup_test_homeserver(handlers=None)
        self.auth = Auth(self.hs)

    def test_EmptyRoom(self):
        auth_events = (
            {}
        )
        auth_events = {k: FrozenEvent(v) for k, v in auth_events.items()}

        # Allowed events
        self.auth.check(FrozenEvent(
            {u'content': {u'creator': u'@u1:a'},
             u'event_id': u'$e1:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'type': u'm.room.create'}
        ), auth_events=auth_events, do_sig_check=False)

        # Disallowed events
        # Sent by a different server than the one which made the room_id
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'creator': u'@u1:b'},
             u'event_id': u'$e2:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:b',
             u'type': u'm.room.create'}
        ), auth_events=auth_events, do_sig_check=False)
        # All non-create events must reference a create event.
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e3:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)

    def test_FirstJoin(self):
        auth_events = (
            {('m.room.create', ''): {u'content': {u'creator': u'@u1:a'},
                                     u'event_id': u'$e1:a',
                                     u'room_id': u'!r1:a',
                                     u'sender': u'@u1:a',
                                     u'type': u'm.room.create'}}
        )
        auth_events = {k: FrozenEvent(v) for k, v in auth_events.items()}

        # Allowed events
        self.auth.check(FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e2:a',
             u'prev_events': [[u'$e1:a', {}]],
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)

        # Disallowed events
        # The prev_event is not the create event.
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e3:a',
             u'prev_events': [[u'$e2:a', {}]],
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)
        # The membership key is not join
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'invite'},
             u'event_id': u'$e4:a',
             u'prev_events': [[u'$e1:a', {}]],
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)
        # The room_id doesn't match the create event
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e5:a',
             u'prev_events': [[u'$e1:a', {}]],
             u'room_id': u'!r2:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)
        # The sender doesn't match the room creator
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e6:a',
             u'prev_events': [[u'$e1:a', {}]],
             u'room_id': u'!r1:a',
             u'sender': u'@u2:a',
             u'state_key': u'@u1:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)
        # The sender doesn't match the state_key
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'membership': u'join'},
             u'event_id': u'$e7:a',
             u'prev_events': [[u'$e1:a', {}]],
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'@u2:a',
             u'type': u'm.room.member'}
        ), auth_events=auth_events, do_sig_check=False)

    def test_FirstPowerLevels(self):
        auth_events = (
            {('m.room.create', ''): {u'content': {u'creator': u'@u1:a'},
                                     u'event_id': u'$e1:a',
                                     u'room_id': u'!r1:a',
                                     u'sender': u'@u1:a',
                                     u'type': u'm.room.create'},
             ('m.room.member', u'@u1:a'): {u'content': {u'membership': u'join'},
                                           u'event_id': u'$e2:a',
                                           u'room_id': u'!r1:a',
                                           u'sender': u'@u1:a',
                                           u'state_key': u'@u1:a',
                                           u'type': u'm.room.member'},
             ('m.room.member', u'@u2:a'): {u'content': {u'membership': u'join'},
                                           u'event_id': u'$e3:a',
                                           u'room_id': u'!r1:a',
                                           u'sender': u'@u2:a',
                                           u'state_key': u'@u2:a',
                                           u'type': u'm.room.member'}}
        )
        auth_events = {k: FrozenEvent(v) for k, v in auth_events.items()}

        # Allowed events
        self.auth.check(FrozenEvent(
            {u'content': {u'ban': 50,
                          u'events': {u'm.room.avatar': 50,
                                      u'm.room.canonical_alias': 50,
                                      u'm.room.history_visibility': 100,
                                      u'm.room.name': 50,
                                      u'm.room.power_levels': 100},
                          u'events_default': 0,
                          u'invite': 0,
                          u'kick': 50,
                          u'redact': 50,
                          u'state_default': 50,
                          u'users': {u'@u1:a': 100,
                                     u'@u2:a': 100,
                                     u'@u3:a': 50},
                          u'users_default': 0},
             u'event_id': u'$e3:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'',
             u'type': u'm.room.power_levels'}
        ), auth_events=auth_events, do_sig_check=False)
        self.auth.check(FrozenEvent(
            {u'content': {u'users': {u'@u1:a': 1000}},
             u'event_id': u'$e4:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'',
             u'type': u'm.room.power_levels'}
        ), auth_events=auth_events, do_sig_check=False)

        # Disallowed events
        # Only the creator can send the first power level event
        self.assertRaises(SynapseError, self.auth.check, FrozenEvent(
            {u'content': {u'users': {u'@u1:a': 1000}},
             u'event_id': u'$e4:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u2:a',
             u'state_key': u'',
             u'type': u'm.room.power_levels'}
        ), auth_events=auth_events, do_sig_check=False)

    def test_PowerLevels(self):
        auth_events = (
            {('m.room.create', ''): {u'content': {u'creator': u'@u1:a'},
                                     u'event_id': u'$e1:a',
                                     u'room_id': u'!r1:a',
                                     u'sender': u'@u1:a',
                                     u'type': u'm.room.create'},
             ('m.room.member', u'@u1:a'): {u'content': {u'membership': u'join'},
                                           u'event_id': u'$e2:a',
                                           u'room_id': u'!r1:a',
                                           u'sender': u'@u1:a',
                                           u'state_key': u'@u1:a',
                                           u'type': u'm.room.member'},
             ('m.room.member', u'@u3:a'): {u'content': {u'membership': u'join'},
                                           u'event_id': u'$e2:a',
                                           u'room_id': u'!r1:a',
                                           u'sender': u'@u1:a',
                                           u'state_key': u'@u1:a',
                                           u'type': u'm.room.member'}}
        )
        auth_events = {k: FrozenEvent(v) for k, v in auth_events.items()}

        # Allowed events
        self.auth.check(FrozenEvent(
            {u'content': {u'ban': 50,
                          u'events': {u'm.room.avatar': 50,
                                      u'm.room.canonical_alias': 50,
                                      u'm.room.history_visibility': 100,
                                      u'm.room.name': 50,
                                      u'm.room.power_levels': 100},
                          u'events_default': 0,
                          u'invite': 0,
                          u'kick': 50,
                          u'redact': 50,
                          u'state_default': 50,
                          u'users': {u'@u1:a': 100,
                                     u'@u2:a': 100,
                                     u'@u3:a': 50},
                          u'users_default': 0},
             u'event_id': u'$e4:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'',
             u'type': u'm.room.power_levels'}
        ), auth_events=auth_events, do_sig_check=False)
        self.auth.check(FrozenEvent(
            {u'content': {u'ban': 50,
                          u'events': {u'm.room.power_levels': 100},
                          u'events_default': 0,
                          u'invite': 0,
                          u'kick': 50,
                          u'redact': 50,
                          u'state_default': 50,
                          u'users': {u'@u1:a': 100, u'@u2:a': 100},
                          u'users_default': 0},
             u'event_id': u'$e5:a',
             u'room_id': u'!r1:a',
             u'sender': u'@u1:a',
             u'state_key': u'',
             u'type': u'm.room.power_levels'}
        ), auth_events=auth_events, do_sig_check=False)

        # Disallowed events