diff --git a/changelog.d/3969.bugfix b/changelog.d/3969.bugfix
new file mode 100644
index 0000000000..ca2759e91e
--- /dev/null
+++ b/changelog.d/3969.bugfix
@@ -0,0 +1 @@
+Fix HTTP error response codes for federated group requests.
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index 53e5e2648b..173315af6c 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -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
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index fcc02fc77d..24b6110c20 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -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
|