112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from typing import TYPE_CHECKING, Optional
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from twisted.web.resource import Resource
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from twisted.web.server import Request
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from synapse.http.server import set_cors_headers
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from synapse.types import JsonDict
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from synapse.util import json_encoder
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from synapse.util.stringutils import parse_server_name
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class WellKnownBuilder:
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def __init__(self, hs: "HomeServer"):
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self._config = hs.config
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def get_well_known(self) -> Optional[JsonDict]:
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if not self._config.server.serve_client_wellknown:
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return None
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result = {"m.homeserver": {"base_url": self._config.server.public_baseurl}}
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if self._config.registration.default_identity_server:
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result["m.identity_server"] = {
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"base_url": self._config.registration.default_identity_server
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}
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return result
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class ClientWellKnownResource(Resource):
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"""A Twisted web resource which renders the .well-known/matrix/client file"""
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isLeaf = 1
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def __init__(self, hs: "HomeServer"):
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Resource.__init__(self)
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self._well_known_builder = WellKnownBuilder(hs)
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def render_GET(self, request: Request) -> bytes:
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set_cors_headers(request)
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r = self._well_known_builder.get_well_known()
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if not r:
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request.setResponseCode(404)
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request.setHeader(b"Content-Type", b"text/plain")
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return b".well-known not available"
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logger.debug("returning: %s", r)
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request.setHeader(b"Content-Type", b"application/json")
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return json_encoder.encode(r).encode("utf-8")
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class ServerWellKnownResource(Resource):
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"""Resource for .well-known/matrix/server, redirecting to port 443"""
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isLeaf = 1
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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self._serve_server_wellknown = hs.config.server.serve_server_wellknown
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host, port = parse_server_name(hs.config.server.server_name)
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# If we've got this far, then https://<server_name>/ must route to us, so
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# we just redirect the traffic to port 443 instead of 8448.
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if port is None:
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port = 443
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self._response = json_encoder.encode({"m.server": f"{host}:{port}"}).encode(
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"utf-8"
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)
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def render_GET(self, request: Request) -> bytes:
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if not self._serve_server_wellknown:
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request.setResponseCode(404)
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request.setHeader(b"Content-Type", b"text/plain")
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return b"404. Is anything ever truly *well* known?\n"
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request.setHeader(b"Content-Type", b"application/json")
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return self._response
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def well_known_resource(hs: "HomeServer") -> Resource:
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"""Returns a Twisted web resource which handles '.well-known' requests"""
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res = Resource()
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matrix_resource = Resource()
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res.putChild(b"matrix", matrix_resource)
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matrix_resource.putChild(b"server", ServerWellKnownResource(hs))
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matrix_resource.putChild(b"client", ClientWellKnownResource(hs))
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return res
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