Merge pull request #3969 from turt2live/travis/fix-federated-group-requests

Handle HttpResponseException more safely for federated groups
pull/4082/head
Travis Ralston 2018-10-23 10:41:04 -06:00 committed by GitHub
commit 43c3f0b02f
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3 changed files with 23 additions and 8 deletions

1
changelog.d/3969.bugfix Normal file
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@ -0,0 +1 @@
Fix HTTP error response codes for federated group requests.

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@ -20,7 +20,7 @@ from six import iteritems
from twisted.internet import defer
from synapse.api.errors import SynapseError
from synapse.api.errors import HttpResponseException, SynapseError
from synapse.types import get_domain_from_id
logger = logging.getLogger(__name__)
@ -37,9 +37,23 @@ def _create_rerouter(func_name):
)
else:
destination = get_domain_from_id(group_id)
return getattr(self.transport_client, func_name)(
d = getattr(self.transport_client, func_name)(
destination, group_id, *args, **kwargs
)
# Capture errors returned by the remote homeserver and
# re-throw specific errors as SynapseErrors. This is so
# when the remote end responds with things like 403 Not
# In Group, we can communicate that to the client instead
# of a 500.
def h(failure):
failure.trap(HttpResponseException)
e = failure.value
if e.code == 403:
raise e.to_synapse_error()
return failure
d.addErrback(h)
return d
return f

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@ -230,7 +230,7 @@ class MatrixFederationHttpClient(object):
Returns:
Deferred: resolves with the http response object on success.
Fails with ``HTTPRequestException``: if we get an HTTP response
Fails with ``HttpResponseException``: if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
@ -480,7 +480,7 @@ class MatrixFederationHttpClient(object):
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body.
Fails with ``HTTPRequestException`` if we get an HTTP response
Fails with ``HttpResponseException`` if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
@ -534,7 +534,7 @@ class MatrixFederationHttpClient(object):
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body.
Fails with ``HTTPRequestException`` if we get an HTTP response
Fails with ``HttpResponseException`` if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
@ -589,7 +589,7 @@ class MatrixFederationHttpClient(object):
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body.
Fails with ``HTTPRequestException`` if we get an HTTP response
Fails with ``HttpResponseException`` if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
@ -640,7 +640,7 @@ class MatrixFederationHttpClient(object):
Deferred: Succeeds when we get a 2xx HTTP response. The result
will be the decoded JSON body.
Fails with ``HTTPRequestException`` if we get an HTTP response
Fails with ``HttpResponseException`` if we get an HTTP response
code >= 300.
Fails with ``NotRetryingDestination`` if we are not yet ready
@ -684,7 +684,7 @@ class MatrixFederationHttpClient(object):
Deferred: resolves with an (int,dict) tuple of the file length and
a dict of the response headers.
Fails with ``HTTPRequestException`` if we get an HTTP response code
Fails with ``HttpResponseException`` if we get an HTTP response code
>= 300
Fails with ``NotRetryingDestination`` if we are not yet ready