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-rw-r--r--synapse/storage/registration.py114
-rw-r--r--synapse/storage/schema/delta/55/users_alter_deactivated.sql19
2 files changed, 133 insertions, 0 deletions
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 1dd1182e82..4c5751b57f 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -15,6 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
 import re
 
 from six import iterkeys
@@ -31,6 +32,8 @@ from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
 
 THIRTY_MINUTES_IN_MS = 30 * 60 * 1000
 
+logger = logging.getLogger(__name__)
+
 
 class RegistrationWorkerStore(SQLBaseStore):
     def __init__(self, db_conn, hs):
@@ -598,12 +601,76 @@ class RegistrationStore(
             "user_threepids_grandfather", self._bg_user_threepids_grandfather,
         )
 
+        self.register_background_update_handler(
+            "users_set_deactivated_flag", self._backgroud_update_set_deactivated_flag,
+        )
+
         # Create a background job for culling expired 3PID validity tokens
         hs.get_clock().looping_call(
             self.cull_expired_threepid_validation_tokens, THIRTY_MINUTES_IN_MS,
         )
 
     @defer.inlineCallbacks
+    def _backgroud_update_set_deactivated_flag(self, progress, batch_size):
+        """Retrieves a list of all deactivated users and sets the 'deactivated' flag to 1
+        for each of them.
+        """
+
+        last_user = progress.get("user_id", "")
+
+        def _backgroud_update_set_deactivated_flag_txn(txn):
+            txn.execute(
+                """
+                SELECT
+                    users.name,
+                    COUNT(access_tokens.token) AS count_tokens,
+                    COUNT(user_threepids.address) AS count_threepids
+                FROM users
+                    LEFT JOIN access_tokens ON (access_tokens.user_id = users.name)
+                    LEFT JOIN user_threepids ON (user_threepids.user_id = users.name)
+                WHERE password_hash IS NULL OR password_hash = ''
+                AND users.name > ?
+                GROUP BY users.name
+                ORDER BY users.name ASC
+                LIMIT ?;
+                """,
+                (last_user, batch_size),
+            )
+
+            rows = self.cursor_to_dict(txn)
+
+            if not rows:
+                return True
+
+            rows_processed_nb = 0
+
+            for user in rows:
+                if not user["count_tokens"] and not user["count_threepids"]:
+                    self.set_user_deactivated_status_txn(txn, user["user_id"], True)
+                    rows_processed_nb += 1
+
+            logger.info("Marked %d rows as deactivated", rows_processed_nb)
+
+            self._background_update_progress_txn(
+                txn, "users_set_deactivated_flag", {"user_id": rows[-1]["user_id"]}
+            )
+
+            if batch_size > len(rows):
+                return True
+            else:
+                return False
+
+        end = yield self.runInteraction(
+            "users_set_deactivated_flag",
+            _backgroud_update_set_deactivated_flag_txn,
+        )
+
+        if end:
+            yield self._end_background_update("users_set_deactivated_flag")
+
+        defer.returnValue(batch_size)
+
+    @defer.inlineCallbacks
     def add_access_token_to_user(self, user_id, token, device_id=None):
         """Adds an access token for the given user.
 
@@ -1268,3 +1335,50 @@ class RegistrationStore(
             "delete_threepid_session",
             delete_threepid_session_txn,
         )
+
+    def set_user_deactivated_status_txn(self, txn, user_id, deactivated):
+        self._simple_update_one_txn(
+            txn=txn,
+            table="users",
+            keyvalues={"name": user_id},
+            updatevalues={"deactivated": 1 if deactivated else 0},
+        )
+        self._invalidate_cache_and_stream(
+            txn, self.get_user_deactivated_status, (user_id,),
+        )
+
+    @defer.inlineCallbacks
+    def set_user_deactivated_status(self, user_id, deactivated):
+        """Set the `deactivated` property for the provided user to the provided value.
+
+        Args:
+            user_id (str): The ID of the user to set the status for.
+            deactivated (bool): The value to set for `deactivated`.
+        """
+
+        yield self.runInteraction(
+            "set_user_deactivated_status",
+            self.set_user_deactivated_status_txn,
+            user_id, deactivated,
+        )
+
+    @cachedInlineCallbacks()
+    def get_user_deactivated_status(self, user_id):
+        """Retrieve the value for the `deactivated` property for the provided user.
+
+        Args:
+            user_id (str): The ID of the user to retrieve the status for.
+
+        Returns:
+            defer.Deferred(bool): The requested value.
+        """
+
+        res = yield self._simple_select_one_onecol(
+            table="users",
+            keyvalues={"name": user_id},
+            retcol="deactivated",
+            desc="get_user_deactivated_status",
+        )
+
+        # Convert the integer into a boolean.
+        defer.returnValue(res == 1)
diff --git a/synapse/storage/schema/delta/55/users_alter_deactivated.sql b/synapse/storage/schema/delta/55/users_alter_deactivated.sql
new file mode 100644
index 0000000000..dabdde489b
--- /dev/null
+++ b/synapse/storage/schema/delta/55/users_alter_deactivated.sql
@@ -0,0 +1,19 @@
+/* Copyright 2019 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ALTER TABLE users ADD deactivated SMALLINT DEFAULT 0 NOT NULL;
+
+INSERT INTO background_updates (update_name, progress_json) VALUES
+  ('users_set_deactivated_flag', '{}');