diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/rest/client/receipts.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/synapse/rest/client/receipts.py b/synapse/rest/client/receipts.py index 9770413c61..2b25b9aad6 100644 --- a/synapse/rest/client/receipts.py +++ b/synapse/rest/client/receipts.py @@ -13,10 +13,12 @@ # limitations under the License. import logging +import re from typing import TYPE_CHECKING, Tuple from synapse.api.constants import ReadReceiptEventFields from synapse.api.errors import Codes, SynapseError +from synapse.http import get_request_user_agent from synapse.http.server import HttpServer from synapse.http.servlet import RestServlet, parse_json_object_from_request from synapse.http.site import SynapseRequest @@ -24,6 +26,8 @@ from synapse.types import JsonDict from ._base import client_patterns +pattern = re.compile(r"(?:Element|SchildiChat)/1\.[012]\.") + if TYPE_CHECKING: from synapse.server import HomeServer @@ -52,7 +56,13 @@ class ReceiptRestServlet(RestServlet): if receipt_type != "m.read": raise SynapseError(400, "Receipt type must be 'm.read'") - body = parse_json_object_from_request(request, allow_empty_body=True) + # Do not allow older SchildiChat and Element Android clients (prior to Element/1.[012].x) to send an empty body. + user_agent = get_request_user_agent(request) + allow_empty_body = False + if "Android" in user_agent: + if pattern.match(user_agent) or "Riot" in user_agent: + allow_empty_body = True + body = parse_json_object_from_request(request, allow_empty_body) hidden = body.get(ReadReceiptEventFields.MSC2285_HIDDEN, False) if not isinstance(hidden, bool): |