1 files changed, 59 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/30/as_users.py b/synapse/storage/schema/delta/30/as_users.py
new file mode 100644
index 0000000000..4cf4dd0917
--- /dev/null
+++ b/synapse/storage/schema/delta/30/as_users.py
@@ -0,0 +1,59 @@
+# Copyright 2016 OpenMarket Ltd
+#
+# 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.
+import logging
+from synapse.storage.appservice import ApplicationServiceStore
+
+
+logger = logging.getLogger(__name__)
+
+
+def run_upgrade(cur, database_engine, config, *args, **kwargs):
+    # NULL indicates user was not registered by an appservice.
+    cur.execute("ALTER TABLE users ADD COLUMN appservice_id TEXT")
+
+    cur.execute("SELECT name FROM users")
+    rows = cur.fetchall()
+
+    config_files = []
+    try:
+        config_files = config.app_service_config_files
+    except AttributeError:
+        logger.warning("Could not get app_service_config_files from config")
+        pass
+
+    appservices = ApplicationServiceStore.load_appservices(
+        config.server_name, config_files
+    )
+
+    owned = {}
+
+    for row in rows:
+        user_id = row[0]
+        for appservice in appservices:
+            if appservice.is_exclusive_user(user_id):
+                if user_id in owned.keys():
+                    logger.error(
+                        "user_id %s was owned by more than one application"
+                        " service (IDs %s and %s); assigning arbitrarily to %s" %
+                        (user_id, owned[user_id], appservice.id, owned[user_id])
+                    )
+                owned[user_id] = appservice.id
+
+    for user_id, as_id in owned.items():
+        cur.execute(
+            database_engine.convert_param_style(
+                "UPDATE users SET appservice_id = ? WHERE name = ?"
+            ),
+            (as_id, user_id)
+        )