diff --git a/synapse/handlers/deactivate_account.py b/synapse/handlers/deactivate_account.py
index bee62cf360..7a13d76a68 100644
--- a/synapse/handlers/deactivate_account.py
+++ b/synapse/handlers/deactivate_account.py
@@ -157,6 +157,9 @@ class DeactivateAccountHandler:
# Mark the user as deactivated.
await self.store.set_user_deactivated_status(user_id, True)
+ # Remove account data (including ignored users and push rules).
+ await self.store.purge_account_data_for_user(user_id)
+
return identity_server_supports_unbinding
async def _reject_pending_invites_for_user(self, user_id: str) -> None:
diff --git a/synapse/storage/databases/main/account_data.py b/synapse/storage/databases/main/account_data.py
index 9c19f0965f..5bfa408f74 100644
--- a/synapse/storage/databases/main/account_data.py
+++ b/synapse/storage/databases/main/account_data.py
@@ -26,6 +26,7 @@ from synapse.storage.database import (
LoggingTransaction,
)
from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
+from synapse.storage.databases.main.push_rule import PushRulesWorkerStore
from synapse.storage.engines import PostgresEngine
from synapse.storage.util.id_generators import (
AbstractStreamIdGenerator,
@@ -44,7 +45,7 @@ if TYPE_CHECKING:
logger = logging.getLogger(__name__)
-class AccountDataWorkerStore(CacheInvalidationWorkerStore):
+class AccountDataWorkerStore(PushRulesWorkerStore, CacheInvalidationWorkerStore):
def __init__(
self,
database: DatabasePool,
@@ -179,7 +180,7 @@ class AccountDataWorkerStore(CacheInvalidationWorkerStore):
else:
return None
- @cached(num_args=2)
+ @cached(num_args=2, tree=True)
async def get_account_data_for_room(
self, user_id: str, room_id: str
) -> Dict[str, JsonDict]:
@@ -546,6 +547,74 @@ class AccountDataWorkerStore(CacheInvalidationWorkerStore):
for ignored_user_id in previously_ignored_users ^ currently_ignored_users:
self._invalidate_cache_and_stream(txn, self.ignored_by, (ignored_user_id,))
+ async def purge_account_data_for_user(self, user_id: str) -> None:
+ """
+ Removes the account data for a user.
+
+ This is intended to be used upon user deactivation and also removes any
+ derived information from account data (e.g. push rules and ignored users).
+
+ Args:
+ user_id: The user ID to remove data for.
+ """
+
+ def purge_account_data_for_user_txn(txn: LoggingTransaction) -> None:
+ # Purge from the primary account_data tables.
+ self.db_pool.simple_delete_txn(
+ txn, table="account_data", keyvalues={"user_id": user_id}
+ )
+
+ self.db_pool.simple_delete_txn(
+ txn, table="room_account_data", keyvalues={"user_id": user_id}
+ )
+
+ # Purge from ignored_users where this user is the ignorer.
+ # N.B. We don't purge where this user is the ignoree, because that
+ # interferes with other users' account data.
+ # It's also not this user's data to delete!
+ self.db_pool.simple_delete_txn(
+ txn, table="ignored_users", keyvalues={"ignorer_user_id": user_id}
+ )
+
+ # Remove the push rules
+ self.db_pool.simple_delete_txn(
+ txn, table="push_rules", keyvalues={"user_name": user_id}
+ )
+ self.db_pool.simple_delete_txn(
+ txn, table="push_rules_enable", keyvalues={"user_name": user_id}
+ )
+ self.db_pool.simple_delete_txn(
+ txn, table="push_rules_stream", keyvalues={"user_id": user_id}
+ )
+
+ # Invalidate caches as appropriate
+ self._invalidate_cache_and_stream(
+ txn, self.get_account_data_for_room_and_type, (user_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_account_data_for_user, (user_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_global_account_data_by_type_for_user, (user_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_account_data_for_room, (user_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_push_rules_for_user, (user_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_push_rules_enabled_for_user, (user_id,)
+ )
+ # This user might be contained in the ignored_by cache for other users,
+ # so we have to invalidate it all.
+ self._invalidate_all_cache_and_stream(txn, self.ignored_by)
+
+ await self.db_pool.runInteraction(
+ "purge_account_data_for_user_txn",
+ purge_account_data_for_user_txn,
+ )
+
class AccountDataStore(AccountDataWorkerStore):
pass
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