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synapse-old/synapse/rest/client/v1/admin.py

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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 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 hashlib
import hmac
import logging
from six import text_type
from six.moves import http_client
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
from synapse.http.servlet import (
assert_params_in_dict,
parse_integer,
parse_json_object_from_request,
parse_string,
)
from synapse.types import UserID, create_requester
from .base import ClientV1RestServlet, client_path_patterns
logger = logging.getLogger(__name__)
class UsersRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/admin/users/(?P<user_id>[^/]*)")
def __init__(self, hs):
super(UsersRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
def on_GET(self, request, user_id):
target_user = UserID.from_string(user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
# To allow all users to get the users list
# if not is_admin and target_user != auth_user:
# raise AuthError(403, "You are not a server admin")
if not self.hs.is_mine(target_user):
raise SynapseError(400, "Can only users a local user")
ret = yield self.handlers.admin_handler.get_users()
defer.returnValue((200, ret))
class UserRegisterServlet(ClientV1RestServlet):
"""
Attributes:
NONCE_TIMEOUT (int): Seconds until a generated nonce won't be accepted
nonces (dict[str, int]): The nonces that we will accept. A dict of
nonce to the time it was generated, in int seconds.
"""
PATTERNS = client_path_patterns("/admin/register")
NONCE_TIMEOUT = 60
def __init__(self, hs):
super(UserRegisterServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
self.reactor = hs.get_reactor()
self.nonces = {}
self.hs = hs
def _clear_old_nonces(self):
"""
Clear out old nonces that are older than NONCE_TIMEOUT.
"""
now = int(self.reactor.seconds())
for k, v in list(self.nonces.items()):
if now - v > self.NONCE_TIMEOUT:
del self.nonces[k]
def on_GET(self, request):
"""
Generate a new nonce.
"""
self._clear_old_nonces()
nonce = self.hs.get_secrets().token_hex(64)
self.nonces[nonce] = int(self.reactor.seconds())
return (200, {"nonce": nonce})
@defer.inlineCallbacks
def on_POST(self, request):
self._clear_old_nonces()
if not self.hs.config.registration_shared_secret:
raise SynapseError(400, "Shared secret registration is not enabled")
body = parse_json_object_from_request(request)
if "nonce" not in body:
raise SynapseError(
400, "nonce must be specified", errcode=Codes.BAD_JSON,
)
nonce = body["nonce"]
if nonce not in self.nonces:
raise SynapseError(
400, "unrecognised nonce",
)
# Delete the nonce, so it can't be reused, even if it's invalid
del self.nonces[nonce]
if "username" not in body:
raise SynapseError(
400, "username must be specified", errcode=Codes.BAD_JSON,
)
else:
if (
not isinstance(body['username'], text_type)
or len(body['username']) > 512
):
raise SynapseError(400, "Invalid username")
username = body["username"].encode("utf-8")
if b"\x00" in username:
raise SynapseError(400, "Invalid username")
if "password" not in body:
raise SynapseError(
400, "password must be specified", errcode=Codes.BAD_JSON,
)
else:
if (
not isinstance(body['password'], text_type)
or len(body['password']) > 512
):
raise SynapseError(400, "Invalid password")
password = body["password"].encode("utf-8")
if b"\x00" in password:
raise SynapseError(400, "Invalid password")
admin = body.get("admin", None)
got_mac = body["mac"]
want_mac = hmac.new(
key=self.hs.config.registration_shared_secret.encode(),
digestmod=hashlib.sha1,
)
want_mac.update(nonce.encode('utf8'))
want_mac.update(b"\x00")
want_mac.update(username)
want_mac.update(b"\x00")
want_mac.update(password)
want_mac.update(b"\x00")
want_mac.update(b"admin" if admin else b"notadmin")
want_mac = want_mac.hexdigest()
if not hmac.compare_digest(
want_mac.encode('ascii'),
got_mac.encode('ascii')
):
raise SynapseError(403, "HMAC incorrect")
# Reuse the parts of RegisterRestServlet to reduce code duplication
from synapse.rest.client.v2_alpha.register import RegisterRestServlet
register = RegisterRestServlet(self.hs)
(user_id, _) = yield register.registration_handler.register(
localpart=body['username'].lower(),
password=body["password"],
admin=bool(admin),
generate_token=False,
)
result = yield register._create_registration_details(user_id, body)
defer.returnValue((200, result))
class WhoisRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)")
def __init__(self, hs):
super(WhoisRestServlet, self).__init__(hs)
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
def on_GET(self, request, user_id):
target_user = UserID.from_string(user_id)
requester = yield self.auth.get_user_by_req(request)
auth_user = requester.user
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin and target_user != auth_user:
raise AuthError(403, "You are not a server admin")
if not self.hs.is_mine(target_user):
raise SynapseError(400, "Can only whois a local user")
ret = yield self.handlers.admin_handler.get_whois(target_user)
defer.returnValue((200, ret))
class PurgeMediaCacheRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/admin/purge_media_cache")
def __init__(self, hs):
self.media_repository = hs.get_media_repository()
super(PurgeMediaCacheRestServlet, self).__init__(hs)
@defer.inlineCallbacks
def on_POST(self, request):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
before_ts = parse_integer(request, "before_ts", required=True)
logger.info("before_ts: %r", before_ts)
ret = yield self.media_repository.delete_old_remote_media(before_ts)
defer.returnValue((200, ret))
class PurgeHistoryRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
"/admin/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]+))?"
)
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer)
"""
super(PurgeHistoryRestServlet, self).__init__(hs)
self.pagination_handler = hs.get_pagination_handler()
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_POST(self, request, room_id, event_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
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 = yield self.store.get_event(event_id)
if event.room_id != room_id:
raise SynapseError(400, "Event is for wrong room.")
token = yield 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 = (
yield self.store.find_first_stream_ordering_after_ts(ts)
)
r = (
yield self.store.get_room_event_after_stream_ordering(
room_id, stream_ordering,
)
)
if not r:
logger.warn(
"[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 = yield self.pagination_handler.start_purge_history(
room_id, token,
delete_local_events=delete_local_events,
)
defer.returnValue((200, {
"purge_id": purge_id,
}))
class PurgeHistoryStatusRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns(
"/admin/purge_history_status/(?P<purge_id>[^/]+)"
)
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer)
"""
super(PurgeHistoryStatusRestServlet, self).__init__(hs)
self.pagination_handler = hs.get_pagination_handler()
@defer.inlineCallbacks
def on_GET(self, request, purge_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
purge_status = self.pagination_handler.get_purge_status(purge_id)
if purge_status is None:
raise NotFoundError("purge id '%s' not found" % purge_id)
defer.returnValue((200, purge_status.asdict()))
class DeactivateAccountRestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/admin/deactivate/(?P<target_user_id>[^/]*)")
def __init__(self, hs):
super(DeactivateAccountRestServlet, self).__init__(hs)
self._deactivate_account_handler = hs.get_deactivate_account_handler()
@defer.inlineCallbacks
def on_POST(self, request, target_user_id):
body = parse_json_object_from_request(request, allow_empty_body=True)
erase = body.get("erase", False)
if not isinstance(erase, bool):
raise SynapseError(
http_client.BAD_REQUEST,
"Param 'erase' must be a boolean, if given",
Codes.BAD_JSON,
)
UserID.from_string(target_user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
result = yield self._deactivate_account_handler.deactivate_account(
target_user_id, erase,
)
if result:
id_server_unbind_result = "success"
else:
id_server_unbind_result = "no-support"
defer.returnValue((200, {
"id_server_unbind_result": id_server_unbind_result,
}))
class ShutdownRoomRestServlet(ClientV1RestServlet):
"""Shuts down a room by removing all local users from the room and blocking
all future invites and joins to the room. Any local aliases will be repointed
to a new room created by `new_room_user_id` and kicked users will be auto
joined to the new room.
"""
PATTERNS = client_path_patterns("/admin/shutdown_room/(?P<room_id>[^/]+)")
DEFAULT_MESSAGE = (
"Sharing illegal content on this server is not permitted and rooms in"
" violation will be blocked."
)
def __init__(self, hs):
super(ShutdownRoomRestServlet, self).__init__(hs)
self.store = hs.get_datastore()
self.state = hs.get_state_handler()
self._room_creation_handler = hs.get_room_creation_handler()
self.event_creation_handler = hs.get_event_creation_handler()
self.room_member_handler = hs.get_room_member_handler()
@defer.inlineCallbacks
def on_POST(self, request, room_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
content = parse_json_object_from_request(request)
assert_params_in_dict(content, ["new_room_user_id"])
new_room_user_id = content["new_room_user_id"]
room_creator_requester = create_requester(new_room_user_id)
message = content.get("message", self.DEFAULT_MESSAGE)
room_name = content.get("room_name", "Content Violation Notification")
info = yield self._room_creation_handler.create_room(
room_creator_requester,
config={
"preset": "public_chat",
"name": room_name,
"power_level_content_override": {
"users_default": -10,
},
},
ratelimit=False,
)
new_room_id = info["room_id"]
yield self.event_creation_handler.create_and_send_nonmember_event(
room_creator_requester,
{
"type": "m.room.message",
"content": {"body": message, "msgtype": "m.text"},
"room_id": new_room_id,
"sender": new_room_user_id,
},
ratelimit=False,
)
requester_user_id = requester.user.to_string()
logger.info("Shutting down room %r", room_id)
yield self.store.block_room(room_id, requester_user_id)
users = yield self.state.get_current_user_in_room(room_id)
kicked_users = []
for user_id in users:
if not self.hs.is_mine_id(user_id):
continue
logger.info("Kicking %r from %r...", user_id, room_id)
target_requester = create_requester(user_id)
yield self.room_member_handler.update_membership(
requester=target_requester,
target=target_requester.user,
room_id=room_id,
action=Membership.LEAVE,
content={},
ratelimit=False
)
yield self.room_member_handler.forget(target_requester.user, room_id)
yield self.room_member_handler.update_membership(
requester=target_requester,
target=target_requester.user,
room_id=new_room_id,
action=Membership.JOIN,
content={},
ratelimit=False
)
kicked_users.append(user_id)
aliases_for_room = yield self.store.get_aliases_for_room(room_id)
yield self.store.update_aliases_for_room(
room_id, new_room_id, requester_user_id
)
defer.returnValue((200, {
"kicked_users": kicked_users,
"local_aliases": aliases_for_room,
"new_room_id": new_room_id,
}))
class QuarantineMediaInRoom(ClientV1RestServlet):
"""Quarantines all media in a room so that no one can download it via
this server.
"""
PATTERNS = client_path_patterns("/admin/quarantine_media/(?P<room_id>[^/]+)")
def __init__(self, hs):
super(QuarantineMediaInRoom, self).__init__(hs)
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_POST(self, request, room_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
num_quarantined = yield self.store.quarantine_media_ids_in_room(
room_id, requester.user.to_string(),
)
defer.returnValue((200, {"num_quarantined": num_quarantined}))
class ListMediaInRoom(ClientV1RestServlet):
"""Lists all of the media in a given room.
"""
PATTERNS = client_path_patterns("/admin/room/(?P<room_id>[^/]+)/media")
def __init__(self, hs):
super(ListMediaInRoom, self).__init__(hs)
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_GET(self, request, room_id):
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
local_mxcs, remote_mxcs = yield self.store.get_media_mxcs_in_room(room_id)
defer.returnValue((200, {"local": local_mxcs, "remote": remote_mxcs}))
class ResetPasswordRestServlet(ClientV1RestServlet):
"""Post request to allow an administrator reset password for a user.
This needs user to have administrator access in Synapse.
Example:
http://localhost:8008/_matrix/client/api/v1/admin/reset_password/
@user:to_reset_password?access_token=admin_access_token
JsonBodyToSend:
{
"new_password": "secret"
}
Returns:
200 OK with empty object if success otherwise an error.
"""
PATTERNS = client_path_patterns("/admin/reset_password/(?P<target_user_id>[^/]*)")
def __init__(self, hs):
self.store = hs.get_datastore()
super(ResetPasswordRestServlet, self).__init__(hs)
self.hs = hs
self.auth = hs.get_auth()
self._set_password_handler = hs.get_set_password_handler()
@defer.inlineCallbacks
def on_POST(self, request, target_user_id):
"""Post request to allow an administrator reset password for a user.
This needs user to have administrator access in Synapse.
"""
UserID.from_string(target_user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
params = parse_json_object_from_request(request)
assert_params_in_dict(params, ["new_password"])
new_password = params['new_password']
logger.info("new_password: %r", new_password)
yield self._set_password_handler.set_password(
target_user_id, new_password, requester
)
defer.returnValue((200, {}))
class GetUsersPaginatedRestServlet(ClientV1RestServlet):
"""Get request to get specific number of users from Synapse.
This needs user to have administrator access in Synapse.
Example:
http://localhost:8008/_matrix/client/api/v1/admin/users_paginate/
@admin:user?access_token=admin_access_token&start=0&limit=10
Returns:
200 OK with json object {list[dict[str, Any]], count} or empty object.
"""
PATTERNS = client_path_patterns("/admin/users_paginate/(?P<target_user_id>[^/]*)")
def __init__(self, hs):
self.store = hs.get_datastore()
super(GetUsersPaginatedRestServlet, self).__init__(hs)
self.hs = hs
self.auth = hs.get_auth()
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
def on_GET(self, request, target_user_id):
"""Get request to get specific number of users from Synapse.
This needs user to have administrator access in Synapse.
"""
target_user = UserID.from_string(target_user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
# To allow all users to get the users list
# if not is_admin and target_user != auth_user:
# raise AuthError(403, "You are not a server admin")
if not self.hs.is_mine(target_user):
raise SynapseError(400, "Can only users a local user")
order = "name" # order by name in user table
start = parse_integer(request, "start", required=True)
limit = parse_integer(request, "limit", required=True)
logger.info("limit: %s, start: %s", limit, start)
ret = yield self.handlers.admin_handler.get_users_paginate(
order, start, limit
)
defer.returnValue((200, ret))
@defer.inlineCallbacks
def on_POST(self, request, target_user_id):
"""Post request to get specific number of users from Synapse..
This needs user to have administrator access in Synapse.
Example:
http://localhost:8008/_matrix/client/api/v1/admin/users_paginate/
@admin:user?access_token=admin_access_token
JsonBodyToSend:
{
"start": "0",
"limit": "10
}
Returns:
200 OK with json object {list[dict[str, Any]], count} or empty object.
"""
UserID.from_string(target_user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
order = "name" # order by name in user table
params = parse_json_object_from_request(request)
assert_params_in_dict(params, ["limit", "start"])
limit = params['limit']
start = params['start']
logger.info("limit: %s, start: %s", limit, start)
ret = yield self.handlers.admin_handler.get_users_paginate(
order, start, limit
)
defer.returnValue((200, ret))
class SearchUsersRestServlet(ClientV1RestServlet):
"""Get request to search user table for specific users according to
search term.
This needs user to have administrator access in Synapse.
Example:
http://localhost:8008/_matrix/client/api/v1/admin/search_users/
@admin:user?access_token=admin_access_token&term=alice
Returns:
200 OK with json object {list[dict[str, Any]], count} or empty object.
"""
PATTERNS = client_path_patterns("/admin/search_users/(?P<target_user_id>[^/]*)")
def __init__(self, hs):
self.store = hs.get_datastore()
super(SearchUsersRestServlet, self).__init__(hs)
self.hs = hs
self.auth = hs.get_auth()
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
def on_GET(self, request, target_user_id):
"""Get request to search user table for specific users according to
search term.
This needs user to have a administrator access in Synapse.
"""
target_user = UserID.from_string(target_user_id)
requester = yield self.auth.get_user_by_req(request)
is_admin = yield self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
# To allow all users to get the users list
# if not is_admin and target_user != auth_user:
# raise AuthError(403, "You are not a server admin")
if not self.hs.is_mine(target_user):
raise SynapseError(400, "Can only users a local user")
term = parse_string(request, "term", required=True)
logger.info("term: %s ", term)
ret = yield self.handlers.admin_handler.search_users(
term
)
defer.returnValue((200, ret))
def register_servlets(hs, http_server):
WhoisRestServlet(hs).register(http_server)
PurgeMediaCacheRestServlet(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)
GetUsersPaginatedRestServlet(hs).register(http_server)
SearchUsersRestServlet(hs).register(http_server)
ShutdownRoomRestServlet(hs).register(http_server)
QuarantineMediaInRoom(hs).register(http_server)
ListMediaInRoom(hs).register(http_server)
UserRegisterServlet(hs).register(http_server)
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