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Stop shadow-banned users from sending non-member events. (#8142)

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Patrick Cloke 2020-08-24 13:58:56 -04:00 • committed by GitHub
parent 420484a334
commit cbd8d83da7
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8 changed files with 155 additions and 42 deletions
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18
synapse/rest/client/v2_alpha/relations.py
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@ -22,7 +22,7 @@ any time to reflect changes in the MSC.
import logging
from synapse.api.constants import EventTypes, RelationTypes
from synapse.api.errors import SynapseError
from synapse.api.errors import ShadowBanError, SynapseError
from synapse.http.servlet import (
RestServlet,
parse_integer,
@ -35,6 +35,7 @@ from synapse.storage.relations import (
PaginationChunk,
RelationPaginationToken,
)
from synapse.util.stringutils import random_string
from ._base import client_patterns
@ -111,11 +112,18 @@ class RelationSendServlet(RestServlet):
"sender": requester.user.to_string(),
}
event, _ = await self.event_creation_handler.create_and_send_nonmember_event(
requester, event_dict=event_dict, txn_id=txn_id
)
try:
(
event,
_,
) = await self.event_creation_handler.create_and_send_nonmember_event(
requester, event_dict=event_dict, txn_id=txn_id
)
event_id = event.event_id
except ShadowBanError:
event_id = "$" + random_string(43)
return 200, {"event_id": event.event_id}
return 200, {"event_id": event_id}
class RelationPaginationServlet(RestServlet):

14
synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
View file

@ -15,13 +15,14 @@
import logging
from synapse.api.errors import Codes, SynapseError
from synapse.api.errors import Codes, ShadowBanError, SynapseError
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
from synapse.http.servlet import (
RestServlet,
assert_params_in_dict,
parse_json_object_from_request,
)
from synapse.util import stringutils
from ._base import client_patterns
@ -62,7 +63,6 @@ class RoomUpgradeRestServlet(RestServlet):
content = parse_json_object_from_request(request)
assert_params_in_dict(content, ("new_version",))
new_version = content["new_version"]
new_version = KNOWN_ROOM_VERSIONS.get(content["new_version"])
if new_version is None:
@ -72,9 +72,13 @@ class RoomUpgradeRestServlet(RestServlet):
Codes.UNSUPPORTED_ROOM_VERSION,
)
new_room_id = await self._room_creation_handler.upgrade_room(
requester, room_id, new_version
)
try:
new_room_id = await self._room_creation_handler.upgrade_room(
requester, room_id, new_version
)
except ShadowBanError:
# Generate a random room ID.
new_room_id = stringutils.random_string(18)
ret = {"replacement_room": new_room_id}