alpine: refactor mautrix

nixos/services/mautrix/lib.nix

@@ -0,0 +1,27 @@
+{
+  toAppRegistration = {
+    port,
+    id,
+    as_token,
+    hs_token,
+    sender_localpart,
+    rate_limited ? false,
+    ...
+  } @ conf:
+    builtins.toJSON ({
+        namespaces = {
+          users = [
+            {
+              exclusive = true;
+              regex = "^@${id}_.*:tristans.cloud$";
+            }
+            {
+              exclusive = true;
+              regex = "^@${id}bot:tristans.cloud$";
+            }
+          ];
+        };
+        url = "http://localhost:${toString port}";
+      }
+      // conf);
+}