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-rw-r--r--synapse/events/spamcheck.py81
1 files changed, 58 insertions, 23 deletions
diff --git a/synapse/events/spamcheck.py b/synapse/events/spamcheck.py
index 3b6795d40f..f30207376a 100644
--- a/synapse/events/spamcheck.py
+++ b/synapse/events/spamcheck.py
@@ -32,6 +32,7 @@ from synapse.rest.media.v1.media_storage import ReadableFileWrapper
 from synapse.spam_checker_api import RegistrationBehaviour
 from synapse.types import RoomAlias, UserProfile
 from synapse.util.async_helpers import delay_cancellation, maybe_awaitable
+from synapse.util.metrics import Measure
 
 if TYPE_CHECKING:
     import synapse.events
@@ -162,7 +163,10 @@ def load_legacy_spam_checkers(hs: "synapse.server.HomeServer") -> None:
 
 
 class SpamChecker:
-    def __init__(self) -> None:
+    def __init__(self, hs: "synapse.server.HomeServer") -> None:
+        self.hs = hs
+        self.clock = hs.get_clock()
+
         self._check_event_for_spam_callbacks: List[CHECK_EVENT_FOR_SPAM_CALLBACK] = []
         self._user_may_join_room_callbacks: List[USER_MAY_JOIN_ROOM_CALLBACK] = []
         self._user_may_invite_callbacks: List[USER_MAY_INVITE_CALLBACK] = []
@@ -255,7 +259,10 @@ class SpamChecker:
             will be used as the error message returned to the user.
         """
         for callback in self._check_event_for_spam_callbacks:
-            res: Union[bool, str] = await delay_cancellation(callback(event))
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                res: Union[bool, str] = await delay_cancellation(callback(event))
             if res:
                 return res
 
@@ -276,9 +283,12 @@ class SpamChecker:
             Whether the user may join the room
         """
         for callback in self._user_may_join_room_callbacks:
-            may_join_room = await delay_cancellation(
-                callback(user_id, room_id, is_invited)
-            )
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_join_room = await delay_cancellation(
+                    callback(user_id, room_id, is_invited)
+                )
             if may_join_room is False:
                 return False
 
@@ -300,9 +310,12 @@ class SpamChecker:
             True if the user may send an invite, otherwise False
         """
         for callback in self._user_may_invite_callbacks:
-            may_invite = await delay_cancellation(
-                callback(inviter_userid, invitee_userid, room_id)
-            )
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_invite = await delay_cancellation(
+                    callback(inviter_userid, invitee_userid, room_id)
+                )
             if may_invite is False:
                 return False
 
@@ -328,9 +341,12 @@ class SpamChecker:
             True if the user may send the invite, otherwise False
         """
         for callback in self._user_may_send_3pid_invite_callbacks:
-            may_send_3pid_invite = await delay_cancellation(
-                callback(inviter_userid, medium, address, room_id)
-            )
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_send_3pid_invite = await delay_cancellation(
+                    callback(inviter_userid, medium, address, room_id)
+                )
             if may_send_3pid_invite is False:
                 return False
 
@@ -348,7 +364,10 @@ class SpamChecker:
             True if the user may create a room, otherwise False
         """
         for callback in self._user_may_create_room_callbacks:
-            may_create_room = await delay_cancellation(callback(userid))
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_create_room = await delay_cancellation(callback(userid))
             if may_create_room is False:
                 return False
 
@@ -369,9 +388,12 @@ class SpamChecker:
             True if the user may create a room alias, otherwise False
         """
         for callback in self._user_may_create_room_alias_callbacks:
-            may_create_room_alias = await delay_cancellation(
-                callback(userid, room_alias)
-            )
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_create_room_alias = await delay_cancellation(
+                    callback(userid, room_alias)
+                )
             if may_create_room_alias is False:
                 return False
 
@@ -390,7 +412,10 @@ class SpamChecker:
             True if the user may publish the room, otherwise False
         """
         for callback in self._user_may_publish_room_callbacks:
-            may_publish_room = await delay_cancellation(callback(userid, room_id))
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                may_publish_room = await delay_cancellation(callback(userid, room_id))
             if may_publish_room is False:
                 return False
 
@@ -412,9 +437,13 @@ class SpamChecker:
             True if the user is spammy.
         """
         for callback in self._check_username_for_spam_callbacks:
-            # Make a copy of the user profile object to ensure the spam checker cannot
-            # modify it.
-            if await delay_cancellation(callback(user_profile.copy())):
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                # Make a copy of the user profile object to ensure the spam checker cannot
+                # modify it.
+                res = await delay_cancellation(callback(user_profile.copy()))
+            if res:
                 return True
 
         return False
@@ -442,9 +471,12 @@ class SpamChecker:
         """
 
         for callback in self._check_registration_for_spam_callbacks:
-            behaviour = await delay_cancellation(
-                callback(email_threepid, username, request_info, auth_provider_id)
-            )
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                behaviour = await delay_cancellation(
+                    callback(email_threepid, username, request_info, auth_provider_id)
+                )
             assert isinstance(behaviour, RegistrationBehaviour)
             if behaviour != RegistrationBehaviour.ALLOW:
                 return behaviour
@@ -486,7 +518,10 @@ class SpamChecker:
         """
 
         for callback in self._check_media_file_for_spam_callbacks:
-            spam = await delay_cancellation(callback(file_wrapper, file_info))
+            with Measure(
+                self.clock, "{}.{}".format(callback.__module__, callback.__qualname__)
+            ):
+                spam = await delay_cancellation(callback(file_wrapper, file_info))
             if spam:
                 return True