Remove completely unused concepts from codebase

Removes device_id and ClientInfo

device_id is never actually written, and the matrix.org DB has no
non-null entries for it. Right now, it's just cluttering up code.

This doesn't remove the columns from the database, because that's
fiddly.

2 files changed, 5 insertions, 7 deletions

diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py

index 53673b3bf5..77cb1dbd81 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -94,9 +94,9 @@ class DataStore(RoomMemberStore, RoomStore,
         )
 
     @defer.inlineCallbacks
-    def insert_client_ip(self, user, access_token, device_id, ip, user_agent):
+    def insert_client_ip(self, user, access_token, ip, user_agent):
         now = int(self._clock.time_msec())
-        key = (user.to_string(), access_token, device_id, ip)
+        key = (user.to_string(), access_token, ip)
 
         try:
             last_seen = self.client_ip_last_seen.get(key)
@@ -120,7 +120,6 @@ class DataStore(RoomMemberStore, RoomStore,
                 "user_agent": user_agent,
             },
             values={
-                "device_id": device_id,
                 "last_seen": now,
             },
             desc="insert_client_ip",
@@ -132,7 +131,7 @@ class DataStore(RoomMemberStore, RoomStore,
             table="user_ips",
             keyvalues={"user_id": user.to_string()},
             retcols=[
-                "device_id", "access_token", "ip", "user_agent", "last_seen"
+                "access_token", "ip", "user_agent", "last_seen"
             ],
             desc="get_user_ip_and_agents",
         )
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py

index f632306688..240d14c4d0 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -163,7 +163,7 @@ class RegistrationStore(SQLBaseStore):
         Args:
             token (str): The access token of a user.
         Returns:
-            dict: Including the name (user_id), device_id and whether they are
+            dict: Including the name (user_id) and whether they are
                 an admin.
         Raises:
             StoreError if no user was found.
@@ -228,8 +228,7 @@ class RegistrationStore(SQLBaseStore):
 
     def _query_for_auth(self, txn, token):
         sql = (
-            "SELECT users.name, users.admin,"
-            " access_tokens.device_id, access_tokens.id as token_id"
+            "SELECT users.name, users.admin, access_tokens.id as token_id"
             " FROM users"
             " INNER JOIN access_tokens on users.name = access_tokens.user_id"
             " WHERE token = ?"