diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/http/server.py | 26 | ||||
| -rw-r--r-- | synapse/rest/media/v1/preview_url_resource.py | 1 | ||||
| -rw-r--r-- | synapse/util/logcontext.py | 9 |
3 files changed, 24 insertions, 12 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py index f067c163c1..d993161a3e 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -65,8 +65,8 @@ def wrap_json_request_handler(h): The handler method must have a signature of "handle_foo(self, request)", where "request" must be a SynapseRequest. - The handler must return a deferred. If the deferred succeeds we assume that - a response has been sent. If the deferred fails with a SynapseError we use + The handler must return a deferred or a coroutine. If the deferred succeeds + we assume that a response has been sent. If the deferred fails with a SynapseError we use it to send a JSON response with the appropriate HTTP reponse code. If the deferred fails with any other type of error we send a 500 reponse. """ @@ -353,16 +353,22 @@ class DirectServeResource(resource.Resource): """ Render the request, using an asynchronous render handler if it exists. """ - render_callback_name = "_async_render_" + request.method.decode("ascii") + async_render_callback_name = "_async_render_" + request.method.decode("ascii") - if hasattr(self, render_callback_name): - # Call the handler - callback = getattr(self, render_callback_name) - defer.ensureDeferred(callback(request)) + # Try and get the async renderer + callback = getattr(self, async_render_callback_name, None) - return NOT_DONE_YET - else: - super().render(request) + # No async renderer for this request method. + if not callback: + return super().render(request) + + resp = callback(request) + + # If it's a coroutine, turn it into a Deferred + if isinstance(resp, types.CoroutineType): + defer.ensureDeferred(resp) + + return NOT_DONE_YET def _options_handler(request): diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 0337b64dc2..053346fb86 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -95,6 +95,7 @@ class PreviewUrlResource(DirectServeResource): ) def render_OPTIONS(self, request): + request.setHeader(b"Allow", b"OPTIONS, GET") return respond_with_json(request, 200, {}, send_cors=True) @wrap_json_request_handler diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index 6b0d2deea0..9e1b537804 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -24,6 +24,7 @@ See doc/log_contexts.rst for details on how this works. import logging import threading +import types from twisted.internet import defer, threads @@ -528,8 +529,9 @@ def run_in_background(f, *args, **kwargs): return from the function, and that the sentinel context is set once the deferred returned by the function completes. - Useful for wrapping functions that return a deferred which you don't yield - on (for instance because you want to pass it to deferred.gatherResults()). + Useful for wrapping functions that return a deferred or coroutine, which you don't + yield or await on (for instance because you want to pass it to + deferred.gatherResults()). Note that if you completely discard the result, you should make sure that `f` doesn't raise any deferred exceptions, otherwise a scary-looking @@ -544,6 +546,9 @@ def run_in_background(f, *args, **kwargs): # by synchronous exceptions, so let's turn them into Failures. return defer.fail() + if isinstance(res, types.CoroutineType): + res = defer.ensureDeferred(res) + if not isinstance(res, defer.Deferred): return res |