mirror of
https://mau.dev/maunium/synapse.git
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Implementation of HTTP 307 response for MSC3886 POST endpoint (#14018)
Co-authored-by: reivilibre <olivier@librepush.net> Co-authored-by: Andrew Morgan <andrewm@element.io>
This commit is contained in:
parent
844ce47b9b
commit
4eaf3eb840
16 changed files with 257 additions and 45 deletions
1
changelog.d/14018.feature
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1
changelog.d/14018.feature
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@ -0,0 +1 @@
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Support for redirecting to an implementation of a [MSC3886](https://github.com/matrix-org/matrix-spec-proposals/pull/3886) HTTP rendezvous service.
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@ -12,7 +12,7 @@
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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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from typing import Any
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from typing import Any, Optional
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import attr
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@ -120,3 +120,8 @@ class ExperimentalConfig(Config):
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# MSC3874: Filtering /messages with rel_types / not_rel_types.
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self.msc3874_enabled: bool = experimental.get("msc3874_enabled", False)
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# MSC3886: Simple client rendezvous capability
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self.msc3886_endpoint: Optional[str] = experimental.get(
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"msc3886_endpoint", None
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)
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@ -207,6 +207,9 @@ class HttpListenerConfig:
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additional_resources: Dict[str, dict] = attr.Factory(dict)
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tag: Optional[str] = None
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request_id_header: Optional[str] = None
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# If true, the listener will return CORS response headers compatible with MSC3886:
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# https://github.com/matrix-org/matrix-spec-proposals/pull/3886
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experimental_cors_msc3886: bool = False
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@attr.s(slots=True, frozen=True, auto_attribs=True)
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@ -935,6 +938,7 @@ def parse_listener_def(num: int, listener: Any) -> ListenerConfig:
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additional_resources=listener.get("additional_resources", {}),
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tag=listener.get("tag"),
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request_id_header=listener.get("request_id_header"),
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experimental_cors_msc3886=listener.get("experimental_cors_msc3886", False),
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)
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return ListenerConfig(port, bind_addresses, listener_type, tls, http_config)
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@ -874,7 +874,7 @@ class SsoHandler:
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)
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async def handle_terms_accepted(
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self, request: Request, session_id: str, terms_version: str
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self, request: SynapseRequest, session_id: str, terms_version: str
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) -> None:
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"""Handle a request to the new-user 'consent' endpoint
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@ -19,6 +19,7 @@ import logging
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import types
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import urllib
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from http import HTTPStatus
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from http.client import FOUND
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from inspect import isawaitable
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from typing import (
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TYPE_CHECKING,
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@ -339,7 +340,7 @@ class _AsyncResource(resource.Resource, metaclass=abc.ABCMeta):
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return callback_return
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_unrecognised_request_handler(request)
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return _unrecognised_request_handler(request)
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@abc.abstractmethod
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def _send_response(
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@ -598,7 +599,7 @@ class RootRedirect(resource.Resource):
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class OptionsResource(resource.Resource):
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"""Responds to OPTION requests for itself and all children."""
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def render_OPTIONS(self, request: Request) -> bytes:
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def render_OPTIONS(self, request: SynapseRequest) -> bytes:
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request.setResponseCode(204)
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request.setHeader(b"Content-Length", b"0")
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@ -763,7 +764,7 @@ def respond_with_json(
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def respond_with_json_bytes(
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request: Request,
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request: SynapseRequest,
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code: int,
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json_bytes: bytes,
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send_cors: bool = False,
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@ -859,7 +860,7 @@ def _write_bytes_to_request(request: Request, bytes_to_write: bytes) -> None:
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_ByteProducer(request, bytes_generator)
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def set_cors_headers(request: Request) -> None:
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def set_cors_headers(request: SynapseRequest) -> None:
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"""Set the CORS headers so that javascript running in a web browsers can
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use this API
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@ -870,10 +871,20 @@ def set_cors_headers(request: Request) -> None:
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request.setHeader(
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b"Access-Control-Allow-Methods", b"GET, HEAD, POST, PUT, DELETE, OPTIONS"
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)
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request.setHeader(
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b"Access-Control-Allow-Headers",
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b"X-Requested-With, Content-Type, Authorization, Date",
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)
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if request.experimental_cors_msc3886:
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request.setHeader(
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b"Access-Control-Allow-Headers",
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b"X-Requested-With, Content-Type, Authorization, Date, If-Match, If-None-Match",
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)
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request.setHeader(
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b"Access-Control-Expose-Headers",
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b"ETag, Location, X-Max-Bytes",
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)
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else:
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request.setHeader(
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b"Access-Control-Allow-Headers",
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b"X-Requested-With, Content-Type, Authorization, Date",
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)
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def set_corp_headers(request: Request) -> None:
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@ -942,10 +953,25 @@ def set_clickjacking_protection_headers(request: Request) -> None:
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request.setHeader(b"Content-Security-Policy", b"frame-ancestors 'none';")
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def respond_with_redirect(request: Request, url: bytes) -> None:
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"""Write a 302 response to the request, if it is still alive."""
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def respond_with_redirect(
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request: SynapseRequest, url: bytes, statusCode: int = FOUND, cors: bool = False
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) -> None:
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"""
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Write a 302 (or other specified status code) response to the request, if it is still alive.
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Args:
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request: The http request to respond to.
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url: The URL to redirect to.
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statusCode: The HTTP status code to use for the redirect (defaults to 302).
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cors: Whether to set CORS headers on the response.
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"""
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logger.debug("Redirect to %s", url.decode("utf-8"))
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request.redirect(url)
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if cors:
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set_cors_headers(request)
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request.setResponseCode(statusCode)
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request.setHeader(b"location", url)
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finish_request(request)
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@ -82,6 +82,7 @@ class SynapseRequest(Request):
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self.reactor = site.reactor
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self._channel = channel # this is used by the tests
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self.start_time = 0.0
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self.experimental_cors_msc3886 = site.experimental_cors_msc3886
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# The requester, if authenticated. For federation requests this is the
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# server name, for client requests this is the Requester object.
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@ -622,6 +623,8 @@ class SynapseSite(Site):
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request_id_header = config.http_options.request_id_header
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self.experimental_cors_msc3886 = config.http_options.experimental_cors_msc3886
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def request_factory(channel: HTTPChannel, queued: bool) -> Request:
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return request_class(
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channel,
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@ -44,6 +44,7 @@ from synapse.rest.client import (
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receipts,
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register,
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relations,
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rendezvous,
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report_event,
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room,
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room_batch,
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@ -132,3 +133,4 @@ class ClientRestResource(JsonResource):
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# unstable
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mutual_rooms.register_servlets(hs, client_resource)
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login_token_request.register_servlets(hs, client_resource)
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rendezvous.register_servlets(hs, client_resource)
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74
synapse/rest/client/rendezvous.py
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74
synapse/rest/client/rendezvous.py
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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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@ -116,6 +116,9 @@ class VersionsRestServlet(RestServlet):
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"org.matrix.msc3881": self.config.experimental.msc3881_enabled,
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# Adds support for filtering /messages by event relation.
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"org.matrix.msc3874": self.config.experimental.msc3874_enabled,
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# Adds support for simple HTTP rendezvous as per MSC3886
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"org.matrix.msc3886": self.config.experimental.msc3886_endpoint
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is not None,
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},
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},
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)
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@ -20,9 +20,9 @@ from signedjson.sign import sign_json
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from unpaddedbase64 import encode_base64
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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 respond_with_json_bytes
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from synapse.http.site import SynapseRequest
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from synapse.types import JsonDict
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if TYPE_CHECKING:
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@ -99,7 +99,7 @@ class LocalKey(Resource):
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json_object = sign_json(json_object, self.config.server.server_name, key)
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return json_object
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def render_GET(self, request: Request) -> Optional[int]:
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def render_GET(self, request: SynapseRequest) -> Optional[int]:
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time_now = self.clock.time_msec()
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# Update the expiry time if less than half the interval remains.
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if time_now + self.config.key.key_refresh_interval / 2 > self.valid_until_ts:
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@ -20,6 +20,7 @@ from synapse.api.errors import SynapseError
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from synapse.handlers.sso import get_username_mapping_session_cookie_from_request
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from synapse.http.server import DirectServeHtmlResource, respond_with_html
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from synapse.http.servlet import parse_string
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from synapse.http.site import SynapseRequest
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from synapse.types import UserID
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from synapse.util.templates import build_jinja_env
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@ -88,7 +89,7 @@ class NewUserConsentResource(DirectServeHtmlResource):
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html = template.render(template_params)
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respond_with_html(request, 200, html)
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async def _async_render_POST(self, request: Request) -> None:
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async def _async_render_POST(self, request: SynapseRequest) -> None:
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try:
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session_id = get_username_mapping_session_cookie_from_request(request)
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except SynapseError as e:
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@ -18,6 +18,7 @@ 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.http.site import SynapseRequest
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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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@ -63,7 +64,7 @@ class ClientWellKnownResource(Resource):
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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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def render_GET(self, request: SynapseRequest) -> 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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@ -153,6 +153,7 @@ class TerseJsonTestCase(LoggerCleanupMixin, TestCase):
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site.site_tag = "test-site"
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site.server_version_string = "Server v1"
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site.reactor = Mock()
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site.experimental_cors_msc3886 = False
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request = SynapseRequest(FakeChannel(site, None), site)
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# Call requestReceived to finish instantiating the object.
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request.content = BytesIO()
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45
tests/rest/client/test_rendezvous.py
Normal file
45
tests/rest/client/test_rendezvous.py
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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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from twisted.test.proto_helpers import MemoryReactor
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from synapse.rest.client import rendezvous
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from synapse.server import HomeServer
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from synapse.util import Clock
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from tests import unittest
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from tests.unittest import override_config
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endpoint = "/_matrix/client/unstable/org.matrix.msc3886/rendezvous"
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class RendezvousServletTestCase(unittest.HomeserverTestCase):
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servlets = [
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rendezvous.register_servlets,
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]
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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self.hs = self.setup_test_homeserver()
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return self.hs
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def test_disabled(self) -> None:
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channel = self.make_request("POST", endpoint, {}, access_token=None)
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self.assertEqual(channel.code, 400)
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@override_config({"experimental_features": {"msc3886_endpoint": "/asd"}})
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def test_redirect(self) -> None:
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channel = self.make_request("POST", endpoint, {}, access_token=None)
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self.assertEqual(channel.code, 307)
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self.assertEqual(channel.headers.getRawHeaders("Location"), ["/asd"])
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@ -266,7 +266,12 @@ class FakeSite:
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site_tag = "test"
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access_logger = logging.getLogger("synapse.access.http.fake")
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def __init__(self, resource: IResource, reactor: IReactorTime):
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def __init__(
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self,
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resource: IResource,
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reactor: IReactorTime,
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experimental_cors_msc3886: bool = False,
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):
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"""
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Args:
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|
@ -274,6 +279,7 @@ class FakeSite:
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"""
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self._resource = resource
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self.reactor = reactor
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self.experimental_cors_msc3886 = experimental_cors_msc3886
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def getResourceFor(self, request):
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return self._resource
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|
|
|
@ -222,13 +222,22 @@ class OptionsResourceTests(unittest.TestCase):
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self.resource = OptionsResource()
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self.resource.putChild(b"res", DummyResource())
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def _make_request(self, method: bytes, path: bytes) -> FakeChannel:
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def _make_request(
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self, method: bytes, path: bytes, experimental_cors_msc3886: bool = False
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) -> FakeChannel:
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"""Create a request from the method/path and return a channel with the response."""
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# Create a site and query for the resource.
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site = SynapseSite(
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"test",
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"site_tag",
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parse_listener_def(0, {"type": "http", "port": 0}),
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parse_listener_def(
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0,
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{
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"type": "http",
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"port": 0,
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||||
"experimental_cors_msc3886": experimental_cors_msc3886,
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},
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),
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self.resource,
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"1.0",
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max_request_body_size=4096,
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|
@ -239,25 +248,58 @@ class OptionsResourceTests(unittest.TestCase):
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channel = make_request(self.reactor, site, method, path, shorthand=False)
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return channel
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def _check_cors_standard_headers(self, channel: FakeChannel) -> None:
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# Ensure the correct CORS headers have been added
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# as per https://spec.matrix.org/v1.4/client-server-api/#web-browser-clients
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self.assertEqual(
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||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Origin"),
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||||
[b"*"],
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"has correct CORS Origin header",
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||||
)
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self.assertEqual(
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||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Methods"),
|
||||
[b"GET, HEAD, POST, PUT, DELETE, OPTIONS"], # HEAD isn't in the spec
|
||||
"has correct CORS Methods header",
|
||||
)
|
||||
self.assertEqual(
|
||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Headers"),
|
||||
[b"X-Requested-With, Content-Type, Authorization, Date"],
|
||||
"has correct CORS Headers header",
|
||||
)
|
||||
|
||||
def _check_cors_msc3886_headers(self, channel: FakeChannel) -> None:
|
||||
# Ensure the correct CORS headers have been added
|
||||
# as per https://github.com/matrix-org/matrix-spec-proposals/blob/hughns/simple-rendezvous-capability/proposals/3886-simple-rendezvous-capability.md#cors
|
||||
self.assertEqual(
|
||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Origin"),
|
||||
[b"*"],
|
||||
"has correct CORS Origin header",
|
||||
)
|
||||
self.assertEqual(
|
||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Methods"),
|
||||
[b"GET, HEAD, POST, PUT, DELETE, OPTIONS"], # HEAD isn't in the spec
|
||||
"has correct CORS Methods header",
|
||||
)
|
||||
self.assertEqual(
|
||||
channel.headers.getRawHeaders(b"Access-Control-Allow-Headers"),
|
||||
[
|
||||
b"X-Requested-With, Content-Type, Authorization, Date, If-Match, If-None-Match"
|
||||
],
|
||||
"has correct CORS Headers header",
|
||||
)
|
||||
self.assertEqual(
|
||||
channel.headers.getRawHeaders(b"Access-Control-Expose-Headers"),
|
||||
[b"ETag, Location, X-Max-Bytes"],
|
||||
"has correct CORS Expose Headers header",
|
||||
)
|
||||
|
||||
def test_unknown_options_request(self) -> None:
|
||||
"""An OPTIONS requests to an unknown URL still returns 204 No Content."""
|
||||
channel = self._make_request(b"OPTIONS", b"/foo/")
|
||||
self.assertEqual(channel.code, 204)
|
||||
self.assertNotIn("body", channel.result)
|
||||
|
||||
# Ensure the correct CORS headers have been added
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
|
||||
"has CORS Origin header",
|
||||
)
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
|
||||
"has CORS Methods header",
|
||||
)
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
|
||||
"has CORS Headers header",
|
||||
)
|
||||
self._check_cors_standard_headers(channel)
|
||||
|
||||
def test_known_options_request(self) -> None:
|
||||
"""An OPTIONS requests to an known URL still returns 204 No Content."""
|
||||
|
@ -265,19 +307,17 @@ class OptionsResourceTests(unittest.TestCase):
|
|||
self.assertEqual(channel.code, 204)
|
||||
self.assertNotIn("body", channel.result)
|
||||
|
||||
# Ensure the correct CORS headers have been added
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
|
||||
"has CORS Origin header",
|
||||
)
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
|
||||
"has CORS Methods header",
|
||||
)
|
||||
self.assertTrue(
|
||||
channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
|
||||
"has CORS Headers header",
|
||||
self._check_cors_standard_headers(channel)
|
||||
|
||||
def test_known_options_request_msc3886(self) -> None:
|
||||
"""An OPTIONS requests to an known URL still returns 204 No Content."""
|
||||
channel = self._make_request(
|
||||
b"OPTIONS", b"/res/", experimental_cors_msc3886=True
|
||||
)
|
||||
self.assertEqual(channel.code, 204)
|
||||
self.assertNotIn("body", channel.result)
|
||||
|
||||
self._check_cors_msc3886_headers(channel)
|
||||
|
||||
def test_unknown_request(self) -> None:
|
||||
"""A non-OPTIONS request to an unknown URL should 404."""
|
||||
|
|
Loading…
Reference in a new issue