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