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Further improvements to requesting the public rooms list on a homeserver which has it set to private (#7368)

This commit is contained in:
Andrew Morgan 2020-05-01 15:15:08 +01:00 committed by GitHub
parent b2dba06079
commit 2e8955f4a6
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 71 additions and 23 deletions

1
changelog.d/7368.bugfix Normal file
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@ -0,0 +1 @@
Improve error responses when accessing remote public room lists.

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@ -883,18 +883,37 @@ class FederationClient(FederationBase):
def get_public_rooms(
self,
destination,
limit=None,
since_token=None,
search_filter=None,
include_all_networks=False,
third_party_instance_id=None,
remote_server: str,
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[Dict] = None,
include_all_networks: bool = False,
third_party_instance_id: Optional[str] = None,
):
if destination == self.server_name:
return
"""Get the list of public rooms from a remote homeserver
Args:
remote_server: The name of the remote server
limit: Maximum amount of rooms to return
since_token: Used for result pagination
search_filter: A filter dictionary to send the remote homeserver
and filter the result set
include_all_networks: Whether to include results from all third party instances
third_party_instance_id: Whether to only include results from a specific third
party instance
Returns:
Deferred[Dict[str, Any]]: The response from the remote server, or None if
`remote_server` is the same as the local server_name
Raises:
HttpResponseException: There was an exception returned from the remote server
SynapseException: M_FORBIDDEN when the remote server has disallowed publicRoom
requests over federation
"""
return self.transport_layer.get_public_rooms(
destination,
remote_server,
limit,
since_token,
search_filter,

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@ -15,13 +15,14 @@
# limitations under the License.
import logging
from typing import Any, Dict
from typing import Any, Dict, Optional
from six.moves import urllib
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.errors import Codes, HttpResponseException, SynapseError
from synapse.api.urls import (
FEDERATION_UNSTABLE_PREFIX,
FEDERATION_V1_PREFIX,
@ -326,18 +327,25 @@ class TransportLayerClient(object):
@log_function
def get_public_rooms(
self,
remote_server,
limit,
since_token,
search_filter=None,
include_all_networks=False,
third_party_instance_id=None,
remote_server: str,
limit: Optional[int] = None,
since_token: Optional[str] = None,
search_filter: Optional[Dict] = None,
include_all_networks: bool = False,
third_party_instance_id: Optional[str] = None,
):
"""Get the list of public rooms from a remote homeserver
See synapse.federation.federation_client.FederationClient.get_public_rooms for
more information.
"""
if search_filter:
# this uses MSC2197 (Search Filtering over Federation)
path = _create_v1_path("/publicRooms")
data = {"include_all_networks": "true" if include_all_networks else "false"}
data = {
"include_all_networks": "true" if include_all_networks else "false"
} # type: Dict[str, Any]
if third_party_instance_id:
data["third_party_instance_id"] = third_party_instance_id
if limit:
@ -347,9 +355,19 @@ class TransportLayerClient(object):
data["filter"] = search_filter
response = yield self.client.post_json(
destination=remote_server, path=path, data=data, ignore_backoff=True
)
try:
response = yield self.client.post_json(
destination=remote_server, path=path, data=data, ignore_backoff=True
)
except HttpResponseException as e:
if e.code == 403:
raise SynapseError(
403,
"You are not allowed to view the public rooms list of %s"
% (remote_server,),
errcode=Codes.FORBIDDEN,
)
raise
else:
path = _create_v1_path("/publicRooms")
@ -363,9 +381,19 @@ class TransportLayerClient(object):
if since_token:
args["since"] = [since_token]
response = yield self.client.get_json(
destination=remote_server, path=path, args=args, ignore_backoff=True
)
try:
response = yield self.client.get_json(
destination=remote_server, path=path, args=args, ignore_backoff=True
)
except HttpResponseException as e:
if e.code == 403:
raise SynapseError(
403,
"You are not allowed to view the public rooms list of %s"
% (remote_server,),
errcode=Codes.FORBIDDEN,
)
raise
return response