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-rw-r--r--changelog.d/6301.feature2
-rw-r--r--synapse/api/constants.py5
-rw-r--r--synapse/api/filtering.py6
-rw-r--r--synapse/storage/data_stores/main/events.py12
-rw-r--r--tests/api/test_filtering.py10
-rw-r--r--tests/rest/client/v1/test_rooms.py10
-rw-r--r--tests/rest/client/v2_alpha/test_sync.py10
7 files changed, 34 insertions, 21 deletions
diff --git a/changelog.d/6301.feature b/changelog.d/6301.feature
index b7ff3fad3b..78a187a1dc 100644
--- a/changelog.d/6301.feature
+++ b/changelog.d/6301.feature
@@ -1 +1 @@
-Implement label-based filtering.
+Implement label-based filtering on `/sync` and `/messages` ([MSC2326](https://github.com/matrix-org/matrix-doc/pull/2326)).
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index 999ec02fd9..cf4ce5f5a2 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -140,4 +140,7 @@ class LimitBlockingTypes(object):
     HS_DISABLED = "hs_disabled"
 
 
-LabelsField = "org.matrix.labels"
+class EventContentFields(object):
+    """Fields found in events' content, regardless of type."""
+    # Labels for the event, cf https://github.com/matrix-org/matrix-doc/pull/2326
+    Labels = "org.matrix.labels"
diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py
index bd91b9f018..30a7ee0a7a 100644
--- a/synapse/api/filtering.py
+++ b/synapse/api/filtering.py
@@ -20,7 +20,7 @@ from jsonschema import FormatChecker
 
 from twisted.internet import defer
 
-from synapse.api.constants import LabelsField
+from synapse.api.constants import EventContentFields
 from synapse.api.errors import SynapseError
 from synapse.storage.presence import UserPresenceState
 from synapse.types import RoomID, UserID
@@ -67,6 +67,8 @@ ROOM_EVENT_FILTER_SCHEMA = {
         "contains_url": {"type": "boolean"},
         "lazy_load_members": {"type": "boolean"},
         "include_redundant_members": {"type": "boolean"},
+        # Include or exclude events with the provided labels.
+        # cf https://github.com/matrix-org/matrix-doc/pull/2326
         "org.matrix.labels": {"type": "array", "items": {"type": "string"}},
         "org.matrix.not_labels": {"type": "array", "items": {"type": "string"}},
     },
@@ -307,7 +309,7 @@ class Filter(object):
             content = event.get("content", {})
             # check if there is a string url field in the content for filtering purposes
             contains_url = isinstance(content.get("url"), text_type)
-            labels = content.get(LabelsField, [])
+            labels = content.get(EventContentFields.Labels, [])
 
         return self.check_fields(room_id, sender, ev_type, labels, contains_url)
 
diff --git a/synapse/storage/data_stores/main/events.py b/synapse/storage/data_stores/main/events.py
index 2b900f1ce1..42ffa9066a 100644
--- a/synapse/storage/data_stores/main/events.py
+++ b/synapse/storage/data_stores/main/events.py
@@ -29,7 +29,7 @@ from prometheus_client import Counter, Histogram
 from twisted.internet import defer
 
 import synapse.metrics
-from synapse.api.constants import EventTypes, LabelsField
+from synapse.api.constants import EventTypes, EventContentFields
 from synapse.api.errors import SynapseError
 from synapse.events import EventBase  # noqa: F401
 from synapse.events.snapshot import EventContext  # noqa: F401
@@ -1491,7 +1491,7 @@ class EventsStore(
             self._handle_event_relations(txn, event)
 
             # Store the labels for this event.
-            labels = event.content.get(LabelsField)
+            labels = event.content.get(EventContentFields.Labels)
             if labels:
                 self.insert_labels_for_event_txn(txn, event.event_id, labels)
 
@@ -2483,6 +2483,14 @@ class EventsStore(
         )
 
     def insert_labels_for_event_txn(self, txn, event_id, labels):
+        """Store the mapping between an event's ID and its labels, with one row per
+        (event_id, label) tuple.
+
+        Args:
+            txn (LoggingTransaction): The transaction to execute.
+            event_id (str): The event's ID.
+            labels (list[str]): A list of text labels.
+        """
         return self._simple_insert_many_txn(
             txn=txn,
             table="event_labels",
diff --git a/tests/api/test_filtering.py b/tests/api/test_filtering.py
index e004ab1ee5..8ec48c4154 100644
--- a/tests/api/test_filtering.py
+++ b/tests/api/test_filtering.py
@@ -19,7 +19,7 @@ import jsonschema
 
 from twisted.internet import defer
 
-from synapse.api.constants import LabelsField
+from synapse.api.constants import EventContentFields
 from synapse.api.errors import SynapseError
 from synapse.api.filtering import Filter
 from synapse.events import FrozenEvent
@@ -329,7 +329,7 @@ class FilteringTestCase(unittest.TestCase):
             sender="@foo:bar",
             type="m.room.message",
             room_id="!secretbase:unknown",
-            content={LabelsField: ["#fun"]},
+            content={EventContentFields.Labels: ["#fun"]},
         )
 
         self.assertTrue(Filter(definition).check(event))
@@ -338,7 +338,7 @@ class FilteringTestCase(unittest.TestCase):
             sender="@foo:bar",
             type="m.room.message",
             room_id="!secretbase:unknown",
-            content={LabelsField: ["#notfun"]},
+            content={EventContentFields.Labels: ["#notfun"]},
         )
 
         self.assertFalse(Filter(definition).check(event))
@@ -349,7 +349,7 @@ class FilteringTestCase(unittest.TestCase):
             sender="@foo:bar",
             type="m.room.message",
             room_id="!secretbase:unknown",
-            content={LabelsField: ["#fun"]},
+            content={EventContentFields.Labels: ["#fun"]},
         )
 
         self.assertFalse(Filter(definition).check(event))
@@ -358,7 +358,7 @@ class FilteringTestCase(unittest.TestCase):
             sender="@foo:bar",
             type="m.room.message",
             room_id="!secretbase:unknown",
-            content={LabelsField: ["#notfun"]},
+            content={EventContentFields.Labels: ["#notfun"]},
         )
 
         self.assertTrue(Filter(definition).check(event))
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index 188f47bd7d..0dc0faa0e5 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -24,7 +24,7 @@ from six.moves.urllib import parse as urlparse
 from twisted.internet import defer
 
 import synapse.rest.admin
-from synapse.api.constants import EventTypes, LabelsField, Membership
+from synapse.api.constants import EventContentFields, EventTypes, Membership
 from synapse.rest.client.v1 import login, profile, room
 
 from tests import unittest
@@ -860,7 +860,7 @@ class RoomMessageListTestCase(RoomBase):
             content={
                 "msgtype": "m.text",
                 "body": "with right label",
-                LabelsField: ["#fun"],
+                EventContentFields.Labels: ["#fun"],
             },
         )
 
@@ -876,7 +876,7 @@ class RoomMessageListTestCase(RoomBase):
             content={
                 "msgtype": "m.text",
                 "body": "with wrong label",
-                LabelsField: ["#work"],
+                EventContentFields.Labels: ["#work"],
             },
         )
 
@@ -886,7 +886,7 @@ class RoomMessageListTestCase(RoomBase):
             content={
                 "msgtype": "m.text",
                 "body": "with two wrong labels",
-                LabelsField: ["#work", "#notfun"],
+                EventContentFields.Labels: ["#work", "#notfun"],
             },
         )
 
@@ -896,7 +896,7 @@ class RoomMessageListTestCase(RoomBase):
             content={
                 "msgtype": "m.text",
                 "body": "with right label",
-                LabelsField: ["#fun"],
+                EventContentFields.Labels: ["#fun"],
             },
         )
 
diff --git a/tests/rest/client/v2_alpha/test_sync.py b/tests/rest/client/v2_alpha/test_sync.py
index c5c199d412..c3c6f75ced 100644
--- a/tests/rest/client/v2_alpha/test_sync.py
+++ b/tests/rest/client/v2_alpha/test_sync.py
@@ -17,7 +17,7 @@ import json
 from mock import Mock
 
 import synapse.rest.admin
-from synapse.api.constants import EventTypes, LabelsField
+from synapse.api.constants import EventContentFields, EventTypes
 from synapse.rest.client.v1 import login, room
 from synapse.rest.client.v2_alpha import sync
 
@@ -157,7 +157,7 @@ class SyncFilterTestCase(unittest.HomeserverTestCase):
             content={
                 "msgtype": "m.text",
                 "body": "with right label",
-                LabelsField: ["#fun"],
+                EventContentFields.Labels: ["#fun"],
             },
             tok=tok,
         )
@@ -175,7 +175,7 @@ class SyncFilterTestCase(unittest.HomeserverTestCase):
             content={
                 "msgtype": "m.text",
                 "body": "with wrong label",
-                LabelsField: ["#work"],
+                EventContentFields.Labels: ["#work"],
             },
             tok=tok,
         )
@@ -186,7 +186,7 @@ class SyncFilterTestCase(unittest.HomeserverTestCase):
             content={
                 "msgtype": "m.text",
                 "body": "with two wrong labels",
-                LabelsField: ["#work", "#notfun"],
+                EventContentFields.Labels: ["#work", "#notfun"],
             },
             tok=tok,
         )
@@ -197,7 +197,7 @@ class SyncFilterTestCase(unittest.HomeserverTestCase):
             content={
                 "msgtype": "m.text",
                 "body": "with right label",
-                LabelsField: ["#fun"],
+                EventContentFields.Labels: ["#fun"],
             },
             tok=tok,
         )
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-20 12:46:58 +0000