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Add a default limit (of 100) to get/sync operations. (#7858)

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Patrick Cloke 2020-07-17 07:59:23 -04:00 committed by GitHub
parent 4642fd66df
commit 852930add7
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4 changed files with 18 additions and 4 deletions
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1
changelog.d/7858.misc Normal file
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@ -0,0 +1 @@
The default value of `filter_timeline_limit` was changed from -1 (no limit) to 100.

4
docs/sample_config.yaml
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@ -102,7 +102,9 @@ pid_file: DATADIR/homeserver.pid
#gc_thresholds: [700, 10, 10]
# Set the limit on the returned events in the timeline in the get
# and sync operations. The default value is -1, means no upper limit.
# and sync operations. The default value is 100. -1 means no upper limit.
#
# Uncomment the following to increase the limit to 5000.
#
#filter_timeline_limit: 5000

6
synapse/config/server.py
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@ -207,7 +207,7 @@ class ServerConfig(Config):
# errors when attempting to search for messages.
self.enable_search = config.get("enable_search", True)
self.filter_timeline_limit = config.get("filter_timeline_limit", -1)
self.filter_timeline_limit = config.get("filter_timeline_limit", 100)
# Whether we should block invites sent to users on this server
# (other than those sent by local server admins)
@ -693,7 +693,9 @@ class ServerConfig(Config):
#gc_thresholds: [700, 10, 10]
# Set the limit on the returned events in the timeline in the get
# and sync operations. The default value is -1, means no upper limit.
# and sync operations. The default value is 100. -1 means no upper limit.
#
# Uncomment the following to increase the limit to 5000.
#
#filter_timeline_limit: 5000

11
synapse/rest/client/v2_alpha/_base.py
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@ -22,6 +22,7 @@ from twisted.internet import defer
from synapse.api.errors import InteractiveAuthIncompleteError
from synapse.api.urls import CLIENT_API_PREFIX
from synapse.types import JsonDict
logger = logging.getLogger(__name__)
@ -51,7 +52,15 @@ def client_patterns(path_regex, releases=(0,), unstable=True, v1=False):
return patterns
def set_timeline_upper_limit(filter_json, filter_timeline_limit):
def set_timeline_upper_limit(filter_json: JsonDict, filter_timeline_limit: int) -> None:
"""
Enforces a maximum limit of a timeline query.
Params:
filter_json: The timeline query to modify.
filter_timeline_limit: The maximum limit to allow, passing -1 will
disable enforcing a maximum limit.
"""
if filter_timeline_limit < 0:
return # no upper limits
timeline = filter_json.get("room", {}).get("timeline", {})