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Return an empty body for OPTIONS requests. (#7886)

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Patrick Cloke 2020-07-24 07:08:07 -04:00 committed by GitHub
parent 1ec688bf21
commit 6a080ea184
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3 changed files with 12 additions and 25 deletions
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1
changelog.d/7886.misc Normal file
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@ -0,0 +1 @@
Return an empty body for OPTIONS requests.

24
synapse/http/server.py
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@ -442,21 +442,6 @@ class StaticResource(File):
return super().render_GET(request)
def _options_handler(request):
"""Request handler for OPTIONS requests
This is a request handler suitable for return from
_get_handler_for_request. It returns a 200 and an empty body.
Args:
request (twisted.web.http.Request):
Returns:
Tuple[int, dict]: http code, response body.
"""
return 200, {}
def _unrecognised_request_handler(request):
"""Request handler for unrecognised requests
@ -490,11 +475,12 @@ class OptionsResource(resource.Resource):
"""Responds to OPTION requests for itself and all children."""
def render_OPTIONS(self, request):
code, response_json_object = _options_handler(request)
request.setResponseCode(204)
request.setHeader(b"Content-Length", b"0")
return respond_with_json(
request, code, response_json_object, send_cors=True, canonical_json=False,
)
set_cors_headers(request)
return b""
def getChildWithDefault(self, path, request):
if request.method == b"OPTIONS":

12
tests/test_server.py
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@ -193,10 +193,10 @@ class OptionsResourceTests(unittest.TestCase):
return channel
def test_unknown_options_request(self):
"""An OPTIONS requests to an unknown URL still returns 200 OK."""
"""An OPTIONS requests to an unknown URL still returns 204 No Content."""
channel = self._make_request(b"OPTIONS", b"/foo/")
self.assertEqual(channel.result["code"], b"200")
self.assertEqual(channel.result["body"], b"{}")
self.assertEqual(channel.result["code"], b"204")
self.assertNotIn("body", channel.result)
# Ensure the correct CORS headers have been added
self.assertTrue(
@ -213,10 +213,10 @@ class OptionsResourceTests(unittest.TestCase):
)
def test_known_options_request(self):
"""An OPTIONS requests to an known URL still returns 200 OK."""
"""An OPTIONS requests to an known URL still returns 204 No Content."""
channel = self._make_request(b"OPTIONS", b"/res/")
self.assertEqual(channel.result["code"], b"200")
self.assertEqual(channel.result["body"], b"{}")
self.assertEqual(channel.result["code"], b"204")
self.assertNotIn("body", channel.result)
# Ensure the correct CORS headers have been added
self.assertTrue(