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authorJason Robinson <jasonr@matrix.org>2019-09-09 17:37:52 +0300
committerGitHub <noreply@github.com>2019-09-09 17:37:52 +0300
commit63f9317b8e862e01872c0f8a3485748687ccd232 (patch)
tree737c05ba2b4d9da571b534dfb7f6daa97df8c14b
parentMerge pull request #5934 from matrix-org/erikj/censor_redactions (diff)
parentFix code style, again (diff)
downloadsynapse-63f9317b8e862e01872c0f8a3485748687ccd232.tar.xz
Merge pull request #6004 from matrix-org/jaywink/autojoin-create-real-users
Only count real users when checking for auto-creation of auto-join room
-rw-r--r--changelog.d/6004.bugfix1
-rw-r--r--synapse/handlers/register.py12
-rw-r--r--synapse/storage/registration.py37
-rw-r--r--tests/handlers/test_register.py29
4 files changed, 69 insertions, 10 deletions
diff --git a/changelog.d/6004.bugfix b/changelog.d/6004.bugfix
new file mode 100644
index 0000000000..45c179c8fd
--- /dev/null
+++ b/changelog.d/6004.bugfix
@@ -0,0 +1 @@
+Only count real users when checking for auto-creation of auto-join room.
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 975da57ffd..06bd03b77c 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -275,16 +275,12 @@ class RegistrationHandler(BaseHandler):
         fake_requester = create_requester(user_id)
 
         # try to create the room if we're the first real user on the server. Note
-        # that an auto-generated support user is not a real user and will never be
+        # that an auto-generated support or bot user is not a real user and will never be
         # the user to create the room
         should_auto_create_rooms = False
-        is_support = yield self.store.is_support_user(user_id)
-        # There is an edge case where the first user is the support user, then
-        # the room is never created, though this seems unlikely and
-        # recoverable from given the support user being involved in the first
-        # place.
-        if self.hs.config.autocreate_auto_join_rooms and not is_support:
-            count = yield self.store.count_all_users()
+        is_real_user = yield self.store.is_real_user(user_id)
+        if self.hs.config.autocreate_auto_join_rooms and is_real_user:
+            count = yield self.store.count_real_users()
             should_auto_create_rooms = count == 1
         for r in self.hs.config.auto_join_rooms:
             logger.info("Auto-joining %s to %s", user_id, r)
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 5138792a5f..109052fa41 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -323,6 +323,19 @@ class RegistrationWorkerStore(SQLBaseStore):
         return None
 
     @cachedInlineCallbacks()
+    def is_real_user(self, user_id):
+        """Determines if the user is a real user, ie does not have a 'user_type'.
+
+        Args:
+            user_id (str): user id to test
+
+        Returns:
+            Deferred[bool]: True if user 'user_type' is null or empty string
+        """
+        res = yield self.runInteraction("is_real_user", self.is_real_user_txn, user_id)
+        return res
+
+    @cachedInlineCallbacks()
     def is_support_user(self, user_id):
         """Determines if the user is of type UserTypes.SUPPORT
 
@@ -337,6 +350,16 @@ class RegistrationWorkerStore(SQLBaseStore):
         )
         return res
 
+    def is_real_user_txn(self, txn, user_id):
+        res = self._simple_select_one_onecol_txn(
+            txn=txn,
+            table="users",
+            keyvalues={"name": user_id},
+            retcol="user_type",
+            allow_none=True,
+        )
+        return res is None
+
     def is_support_user_txn(self, txn, user_id):
         res = self._simple_select_one_onecol_txn(
             txn=txn,
@@ -422,6 +445,20 @@ class RegistrationWorkerStore(SQLBaseStore):
         return ret
 
     @defer.inlineCallbacks
+    def count_real_users(self):
+        """Counts all users without a special user_type registered on the homeserver."""
+
+        def _count_users(txn):
+            txn.execute("SELECT COUNT(*) AS users FROM users where user_type is null")
+            rows = self.cursor_to_dict(txn)
+            if rows:
+                return rows[0]["users"]
+            return 0
+
+        ret = yield self.runInteraction("count_real_users", _count_users)
+        return ret
+
+    @defer.inlineCallbacks
     def find_next_generated_user_id_localpart(self):
         """
         Gets the localpart of the next generated user ID.
diff --git a/tests/handlers/test_register.py b/tests/handlers/test_register.py
index e10296a5e4..1e9ba3a201 100644
--- a/tests/handlers/test_register.py
+++ b/tests/handlers/test_register.py
@@ -171,11 +171,11 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
         rooms = self.get_success(self.store.get_rooms_for_user(user_id))
         self.assertEqual(len(rooms), 0)
 
-    def test_auto_create_auto_join_rooms_when_support_user_exists(self):
+    def test_auto_create_auto_join_rooms_when_user_is_not_a_real_user(self):
         room_alias_str = "#room:test"
         self.hs.config.auto_join_rooms = [room_alias_str]
 
-        self.store.is_support_user = Mock(return_value=True)
+        self.store.is_real_user = Mock(return_value=False)
         user_id = self.get_success(self.handler.register_user(localpart="support"))
         rooms = self.get_success(self.store.get_rooms_for_user(user_id))
         self.assertEqual(len(rooms), 0)
@@ -183,6 +183,31 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
         room_alias = RoomAlias.from_string(room_alias_str)
         self.get_failure(directory_handler.get_association(room_alias), SynapseError)
 
+    def test_auto_create_auto_join_rooms_when_user_is_the_first_real_user(self):
+        room_alias_str = "#room:test"
+        self.hs.config.auto_join_rooms = [room_alias_str]
+
+        self.store.count_real_users = Mock(return_value=1)
+        self.store.is_real_user = Mock(return_value=True)
+        user_id = self.get_success(self.handler.register_user(localpart="real"))
+        rooms = self.get_success(self.store.get_rooms_for_user(user_id))
+        directory_handler = self.hs.get_handlers().directory_handler
+        room_alias = RoomAlias.from_string(room_alias_str)
+        room_id = self.get_success(directory_handler.get_association(room_alias))
+
+        self.assertTrue(room_id["room_id"] in rooms)
+        self.assertEqual(len(rooms), 1)
+
+    def test_auto_create_auto_join_rooms_when_user_is_not_the_first_real_user(self):
+        room_alias_str = "#room:test"
+        self.hs.config.auto_join_rooms = [room_alias_str]
+
+        self.store.count_real_users = Mock(return_value=2)
+        self.store.is_real_user = Mock(return_value=True)
+        user_id = self.get_success(self.handler.register_user(localpart="real"))
+        rooms = self.get_success(self.store.get_rooms_for_user(user_id))
+        self.assertEqual(len(rooms), 0)
+
     def test_auto_create_auto_join_where_no_consent(self):
         """Test to ensure that the first user is not auto-joined to a room if
         they have not given general consent.