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75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
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# Copyright 2022 The Matrix.org Foundation C.I.C.
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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 http.client import TEMPORARY_REDIRECT
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from typing import TYPE_CHECKING, Optional
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from synapse.http.server import HttpServer, respond_with_redirect
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from synapse.http.servlet import RestServlet
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from synapse.http.site import SynapseRequest
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from synapse.rest.client._base import client_patterns
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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 RendezvousServlet(RestServlet):
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"""
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This is a placeholder implementation of [MSC3886](https://github.com/matrix-org/matrix-spec-proposals/pull/3886)
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simple client rendezvous capability that is used by the "Sign in with QR" functionality.
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This implementation only serves as a 307 redirect to a configured server rather than being a full implementation.
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A module that implements the full functionality is available at: https://pypi.org/project/matrix-http-rendezvous-synapse/.
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Request:
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POST /rendezvous HTTP/1.1
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Content-Type: ...
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...
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Response:
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HTTP/1.1 307
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Location: <configured endpoint>
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"""
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PATTERNS = client_patterns(
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"/org.matrix.msc3886/rendezvous$", releases=[], v1=False, unstable=True
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)
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def __init__(self, hs: "HomeServer"):
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super().__init__()
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redirection_target: Optional[str] = hs.config.experimental.msc3886_endpoint
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assert (
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redirection_target is not None
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), "Servlet is only registered if there is a redirection target"
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self.endpoint = redirection_target.encode("utf-8")
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async def on_POST(self, request: SynapseRequest) -> None:
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respond_with_redirect(
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request, self.endpoint, statusCode=TEMPORARY_REDIRECT, cors=True
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)
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# PUT, GET and DELETE are not implemented as they should be fulfilled by the redirect target.
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def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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if hs.config.experimental.msc3886_endpoint is not None:
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RendezvousServlet(hs).register(http_server)
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