Relax requirement for a content-type on .well-known (#4511)

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Richard van der Hoff 2019-01-29 16:49:17 +00:00 committed by GitHub
parent d02c5ccb11
commit cc2d650ef7
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3 changed files with 14 additions and 21 deletions

1
changelog.d/4511.feature Normal file
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@ -0,0 +1 @@
Implement MSC1708 (.well-known routing for server-server federation)

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@ -12,7 +12,6 @@
# 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 cgi
import json
import logging
@ -263,37 +262,31 @@ class MatrixFederationAgent(object):
# FIXME: add a cache
uri = b"https://%s/.well-known/matrix/server" % (server_name, )
logger.info("Fetching %s", uri.decode("ascii"))
uri_str = uri.decode("ascii")
logger.info("Fetching %s", uri_str)
try:
response = yield make_deferred_yieldable(
self._well_known_agent.request(b"GET", uri),
)
except Exception as e:
logger.info(
"Connection error fetching %s: %s",
uri.decode("ascii"), e,
)
logger.info("Connection error fetching %s: %s", uri_str, e)
defer.returnValue(None)
body = yield make_deferred_yieldable(readBody(response))
if response.code != 200:
logger.info(
"Error response %i from %s: %s",
response.code, uri.decode("ascii"), body,
)
logger.info("Error response %i from %s", response.code, uri_str)
defer.returnValue(None)
content_types = response.headers.getRawHeaders(u'content-type')
if content_types is None:
raise Exception("no content-type header on .well-known response")
content_type, _opts = cgi.parse_header(content_types[-1])
if content_type != 'application/json':
raise Exception("content-type not application/json on .well-known response")
try:
parsed_body = json.loads(body.decode('utf-8'))
logger.info("Response from .well-known: %s", parsed_body)
if not isinstance(parsed_body, dict) or "m.server" not in parsed_body:
raise Exception("invalid .well-known response")
if not isinstance(parsed_body, dict):
raise Exception("not a dict")
if "m.server" not in parsed_body:
raise Exception("Missing key 'm.server'")
except Exception as e:
raise Exception("invalid .well-known response from %s: %s" % (uri_str, e,))
defer.returnValue(parsed_body["m.server"].encode("ascii"))

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@ -146,7 +146,6 @@ class MatrixFederationAgentTests(TestCase):
[b'testserv'],
)
# send back a response
request.responseHeaders.setRawHeaders(b'Content-Type', [b'application/json'])
request.write(b'{ "m.server": "%s" }' % (target_server,))
request.finish()