cache policy lists and increase general cache time

synapse_invite_checker/invite_checker.py

@@ -28,7 +28,7 @@ class InviteChecker:
         self.use_allowlist = self.config.use_allowlist
         self.use_blocklist = self.config.use_blocklist
 
-        self.cache_expiry_time = 60
+        self.cache_expiry_time = 300
         self.cache_timestamp = 0
         self.blocklist = set()
         self.allowlist = set()
@@ -120,9 +120,9 @@ class InviteChecker:
             self.blocklist = set(json_data.get('blocklist', []))
             self.allowlist = set(json_data.get('allowlist', []))
 
-            # Fetch and merge the policy room ban lists from multiple rooms
+            # Fetch and cache the policy room ban lists
             policy_banlist = yield self.fetch_policy_room_banlist()
-            self.blocklist.update(policy_banlist)
+            self.blocklist.update(policy_banlist)  # Merge policy bans into blocklist
 
             self.blocklist_room_ids = set()
             for room_entry in json_data.get('blocklist_rooms', []):
@@ -137,6 +137,9 @@ class InviteChecker:
                     else:
                         logger.error(f"Failed to blocklist room: {room_entry}")
 
+            # Update the cache timestamp
+            self.cache_timestamp = time.time()
+
             logger.info(f"Updated blocklist with {len(self.blocklist)} entries and {len(self.blocklist_room_ids)} room IDs.")
         else:
             logger.error("Failed to update allowlist/blocklist due to missing JSON data.")
@@ -161,6 +164,7 @@ class InviteChecker:
     def get_blocklist_allowlist(self):
         current_time = time.time()
 
+        # Update cache if expired
         if current_time - self.cache_timestamp > self.cache_expiry_time:
             yield self.update_blocklist_allowlist()
 
@@ -168,6 +172,7 @@ class InviteChecker:
             logger.info("Skipping allowlist/blocklist checks because of previous JSON fetch failure.")
             returnValue((set(), set(), set()))
 
+        # Return cached blocklist, allowlist, and blocklist room IDs
         returnValue((self.blocklist, self.allowlist, self.blocklist_room_ids))
 
     @inlineCallbacks