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# Copyright 2019 New Vector
#
# 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
from http import HTTPStatus
from typing import TYPE_CHECKING, Tuple
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, MSC3244_CAPABILITIES
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet
from synapse.http.site import SynapseRequest
from synapse.types import JsonDict
from ._base import client_patterns
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class CapabilitiesRestServlet(RestServlet):
"""End point to expose the capabilities of the server."""
PATTERNS = client_patterns("/capabilities$")
CATEGORY = "Client API requests"
def __init__(self, hs: "HomeServer"):
super().__init__()
self.hs = hs
self.config = hs.config
self.auth = hs.get_auth()
self.auth_handler = hs.get_auth_handler()
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await self.auth.get_user_by_req(request, allow_guest=True)
change_password = self.auth_handler.can_change_password()
response: JsonDict = {
"capabilities": {
"m.room_versions": {
"default": self.config.server.default_room_version.identifier,
"available": {
v.identifier: v.disposition
for v in KNOWN_ROOM_VERSIONS.values()
},
},
"m.change_password": {"enabled": change_password},
"m.set_displayname": {
"enabled": self.config.registration.enable_set_displayname
},
"m.set_avatar_url": {
"enabled": self.config.registration.enable_set_avatar_url
},
"m.3pid_changes": {
"enabled": self.config.registration.enable_3pid_changes
},
"m.get_login_token": {
"enabled": self.config.auth.login_via_existing_enabled,
},
}
}
if self.config.experimental.msc3244_enabled:
response["capabilities"]["m.room_versions"][
"org.matrix.msc3244.room_capabilities"
] = MSC3244_CAPABILITIES
if self.config.experimental.msc3720_enabled:
response["capabilities"]["org.matrix.msc3720.account_status"] = {
"enabled": True,
}
if self.config.experimental.msc3664_enabled:
response["capabilities"]["im.nheko.msc3664.related_event_match"] = {
"enabled": self.config.experimental.msc3664_enabled,
}
return HTTPStatus.OK, response
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
CapabilitiesRestServlet(hs).register(http_server)
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