Use root url for monitoring url (#8506)

* use root url for monitoring url

* add changeset

* format

* add unit test

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

.changeset/hot-cases-sneeze.md

@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+fix:Use root url for monitoring url

gradio/routes.py

@@ -1167,11 +1167,12 @@ class App(FastAPI):
             else:
                 return "User-agent: *\nDisallow: "
 
-        @app.get("/monitoring")
-        async def analytics_login():
-            print(
-                f"Monitoring URL: {app.get_blocks().local_url}monitoring/{app.analytics_key}"
+        @app.get("/monitoring", dependencies=[Depends(login_check)])
+        async def analytics_login(request: fastapi.Request):
+            root = route_utils.get_root_url(
+                request=request, route_path="/monitoring", root_path=app.root_path
             )
+            print(f"Monitoring URL: {root}/monitoring/{app.analytics_key}")
             return HTMLResponse("See console for monitoring URL.")
 
         @app.get("/monitoring/{key}")

test/test_routes.py

@@ -634,6 +634,30 @@ class TestAuthenticatedRoutes:
         )
         assert response.status_code == 401
 
+    def test_monitoring_route(self):
+        io = Interface(lambda x: x, "text", "text")
+        app, _, _ = io.launch(
+            auth=("test", "correct_password"),
+            prevent_thread_lock=True,
+        )
+        client = TestClient(app)
+        client.post(
+            "/login",
+            data={"username": "test", "password": "correct_password"},
+        )
+
+        response = client.get(
+            "/monitoring",
+        )
+        assert response.status_code == 200
+
+        response = client.get("/logout")
+
+        response = client.get(
+            "/monitoring",
+        )
+        assert response.status_code == 401
+
 
 class TestQueueRoutes:
     @pytest.mark.asyncio