summary refs log tree commit diff
path: root/synapse/rest/admin/__init__.py
blob: 42cc2b062a584c299432d0cd37de064bc6b8b3d1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018-2019 New Vector 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.

import logging
import platform
import re

import synapse
from synapse.api.errors import Codes, NotFoundError, SynapseError
from synapse.http.server import JsonResource
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.rest.admin._base import (
    assert_requester_is_admin,
    historical_admin_path_patterns,
)
from synapse.rest.admin.groups import DeleteGroupAdminRestServlet
from synapse.rest.admin.media import ListMediaInRoom, register_servlets_for_media_repo
from synapse.rest.admin.purge_room_servlet import PurgeRoomServlet
from synapse.rest.admin.rooms import ListRoomRestServlet, ShutdownRoomRestServlet
from synapse.rest.admin.server_notice_servlet import SendServerNoticeServlet
from synapse.rest.admin.users import (
    AccountValidityRenewServlet,
    DeactivateAccountRestServlet,
    ResetPasswordRestServlet,
    SearchUsersRestServlet,
    UserAdminServlet,
    UserRegisterServlet,
    UserRestServletV2,
    UsersRestServlet,
    UsersRestServletV2,
    WhoisRestServlet,
)
from synapse.util.versionstring import get_version_string

logger = logging.getLogger(__name__)


class VersionServlet(RestServlet):
    PATTERNS = (re.compile("^/_synapse/admin/v1/server_version$"),)

    def __init__(self, hs):
        self.res = {
            "server_version": get_version_string(synapse),
            "python_version": platform.python_version(),
        }

    def on_GET(self, request):
        return 200, self.res


class PurgeHistoryRestServlet(RestServlet):
    PATTERNS = historical_admin_path_patterns(
        "/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]+))?"
    )

    def __init__(self, hs):
        """

        Args:
            hs (synapse.server.HomeServer)
        """
        self.pagination_handler = hs.get_pagination_handler()
        self.store = hs.get_datastore()
        self.auth = hs.get_auth()

    async def on_POST(self, request, room_id, event_id):
        await assert_requester_is_admin(self.auth, request)

        body = parse_json_object_from_request(request, allow_empty_body=True)

        delete_local_events = bool(body.get("delete_local_events", False))

        # establish the topological ordering we should keep events from. The
        # user can provide an event_id in the URL or the request body, or can
        # provide a timestamp in the request body.
        if event_id is None:
            event_id = body.get("purge_up_to_event_id")

        if event_id is not None:
            event = await self.store.get_event(event_id)

            if event.room_id != room_id:
                raise SynapseError(400, "Event is for wrong room.")

            token = await self.store.get_topological_token_for_event(event_id)

            logger.info("[purge] purging up to token %s (event_id %s)", token, event_id)
        elif "purge_up_to_ts" in body:
            ts = body["purge_up_to_ts"]
            if not isinstance(ts, int):
                raise SynapseError(
                    400, "purge_up_to_ts must be an int", errcode=Codes.BAD_JSON
                )

            stream_ordering = await self.store.find_first_stream_ordering_after_ts(ts)

            r = await self.store.get_room_event_before_stream_ordering(
                room_id, stream_ordering
            )
            if not r:
                logger.warning(
                    "[purge] purging events not possible: No event found "
                    "(received_ts %i => stream_ordering %i)",
                    ts,
                    stream_ordering,
                )
                raise SynapseError(
                    404, "there is no event to be purged", errcode=Codes.NOT_FOUND
                )
            (stream, topo, _event_id) = r
            token = "t%d-%d" % (topo, stream)
            logger.info(
                "[purge] purging up to token %s (received_ts %i => "
                "stream_ordering %i)",
                token,
                ts,
                stream_ordering,
            )
        else:
            raise SynapseError(
                400,
                "must specify purge_up_to_event_id or purge_up_to_ts",
                errcode=Codes.BAD_JSON,
            )

        purge_id = self.pagination_handler.start_purge_history(
            room_id, token, delete_local_events=delete_local_events
        )

        return 200, {"purge_id": purge_id}


class PurgeHistoryStatusRestServlet(RestServlet):
    PATTERNS = historical_admin_path_patterns(
        "/purge_history_status/(?P<purge_id>[^/]+)"
    )

    def __init__(self, hs):
        """

        Args:
            hs (synapse.server.HomeServer)
        """
        self.pagination_handler = hs.get_pagination_handler()
        self.auth = hs.get_auth()

    async def on_GET(self, request, purge_id):
        await assert_requester_is_admin(self.auth, request)

        purge_status = self.pagination_handler.get_purge_status(purge_id)
        if purge_status is None:
            raise NotFoundError("purge id '%s' not found" % purge_id)

        return 200, purge_status.asdict()


########################################################################################
#
# please don't add more servlets here: this file is already long and unwieldy. Put
# them in separate files within the 'admin' package.
#
########################################################################################


class AdminRestResource(JsonResource):
    """The REST resource which gets mounted at /_synapse/admin"""

    def __init__(self, hs):
        JsonResource.__init__(self, hs, canonical_json=False)
        register_servlets(hs, self)


def register_servlets(hs, http_server):
    """
    Register all the admin servlets.
    """
    register_servlets_for_client_rest_resource(hs, http_server)
    ListRoomRestServlet(hs).register(http_server)
    PurgeRoomServlet(hs).register(http_server)
    SendServerNoticeServlet(hs).register(http_server)
    VersionServlet(hs).register(http_server)
    UserAdminServlet(hs).register(http_server)
    UserRestServletV2(hs).register(http_server)
    UsersRestServletV2(hs).register(http_server)


def register_servlets_for_client_rest_resource(hs, http_server):
    """Register only the servlets which need to be exposed on /_matrix/client/xxx"""
    WhoisRestServlet(hs).register(http_server)
    PurgeHistoryStatusRestServlet(hs).register(http_server)
    DeactivateAccountRestServlet(hs).register(http_server)
    PurgeHistoryRestServlet(hs).register(http_server)
    UsersRestServlet(hs).register(http_server)
    ResetPasswordRestServlet(hs).register(http_server)
    SearchUsersRestServlet(hs).register(http_server)
    ShutdownRoomRestServlet(hs).register(http_server)
    UserRegisterServlet(hs).register(http_server)
    DeleteGroupAdminRestServlet(hs).register(http_server)
    AccountValidityRenewServlet(hs).register(http_server)

    # Load the media repo ones if we're using them. Otherwise load the servlets which
    # don't need a media repo (typically readonly admin APIs).
    if hs.config.can_load_media_repo:
        register_servlets_for_media_repo(hs, http_server)
    else:
        ListMediaInRoom(hs).register(http_server)

    # don't add more things here: new servlets should only be exposed on
    # /_synapse/admin so should not go here. Instead register them in AdminRestResource.