Refactor navigation and authentication flow

- Move navigation setup to AppRouter
- Prevent protected route logic to handle login 401

lightrag_webui/src/App.tsx

@@ -5,11 +5,9 @@ import MessageAlert from '@/components/MessageAlert'
 import ApiKeyAlert from '@/components/ApiKeyAlert'
 import StatusIndicator from '@/components/graph/StatusIndicator'
 import { healthCheckInterval } from '@/lib/constants'
-import { useBackendState, useAuthStore } from '@/stores/state'
+import { useBackendState } from '@/stores/state'
 import { useSettingsStore } from '@/stores/settings'
 import { useEffect } from 'react'
-import { useNavigate } from 'react-router-dom'
-import { navigationService } from '@/services/navigation'
 import SiteHeader from '@/features/SiteHeader'
 import { InvalidApiKeyError, RequireApiKeError } from '@/api/lightrag'
 
@@ -21,22 +19,13 @@ import ApiSite from '@/features/ApiSite'
 import { Tabs, TabsContent } from '@/components/ui/Tabs'
 
 function App() {
-  const navigate = useNavigate();
   const message = useBackendState.use.message()
-
-  // Initialize navigation service
-  useEffect(() => {
-    navigationService.setNavigate(navigate);
-  }, [navigate]);
   const enableHealthCheck = useSettingsStore.use.enableHealthCheck()
   const currentTab = useSettingsStore.use.currentTab()
   const [apiKeyInvalid, setApiKeyInvalid] = useState(false)
 
   // Health check
   useEffect(() => {
-    const { isAuthenticated } = useAuthStore.getState();
-    if (!enableHealthCheck || !isAuthenticated) return
-
     // Check immediately
     useBackendState.getState().check()
 

lightrag_webui/src/AppRouter.tsx

@@ -1,4 +1,4 @@
-import { HashRouter as Router, Routes, Route, Navigate } from 'react-router-dom'
+import { HashRouter as Router, Routes, Route, useNavigate } from 'react-router-dom'
 import { useEffect, useState } from 'react'
 import { useAuthStore } from '@/stores/state'
 import { navigationService } from '@/services/navigation'
@@ -16,6 +16,12 @@ interface ProtectedRouteProps {
 const ProtectedRoute = ({ children }: ProtectedRouteProps) => {
   const { isAuthenticated } = useAuthStore()
   const [isChecking, setIsChecking] = useState(true)
+  const navigate = useNavigate()
+
+  // Set navigate function for navigation service
+  useEffect(() => {
+    navigationService.setNavigate(navigate)
+  }, [navigate])
 
   useEffect(() => {
     let isMounted = true; // Flag to prevent state updates after unmount
@@ -71,29 +77,33 @@ const ProtectedRoute = ({ children }: ProtectedRouteProps) => {
     // Get current path and check if it's a direct access
     const currentPath = window.location.hash.slice(1); // Remove the '#' from hash
     const isLoginPage = currentPath === '/login';
-    const isDirectAccess = !document.referrer;
-
-    // Handle direct access to root path
-    if (isDirectAccess && currentPath === '/') {
-      navigationService.resetAllApplicationState();
-    }
-
+    
     // Skip redirect if already on login page
     if (isLoginPage) {
       return null;
     }
 
-    // Use React Router's Navigate for redirection
-    console.log('Not authenticated, redirecting to login');
-    return <Navigate to="/login" replace />;
+    // For non-login pages, handle state reset and navigation
+    if (!isLoginPage) {
+      // Use navigation service for redirection
+      console.log('Not authenticated, redirecting to login');
+      navigationService.navigateToLogin();
+      return null;
+    }
   }
 
   return <>{children}</>
 }
 
-const AppRouter = () => {
+const AppContent = () => {
   const [initializing, setInitializing] = useState(true)
   const { isAuthenticated } = useAuthStore()
+  const navigate = useNavigate()
+
+  // Set navigate function for navigation service
+  useEffect(() => {
+    navigationService.setNavigate(navigate)
+  }, [navigate])
 
   // Check token validity and auth configuration on app initialization
   useEffect(() => {
@@ -152,21 +162,27 @@ const AppRouter = () => {
     return null
   }
 
+  return (
+    <Routes>
+      <Route path="/login" element={<LoginPage />} />
+      <Route
+        path="/*"
+        element={
+          <ProtectedRoute>
+            <App />
+          </ProtectedRoute>
+        }
+      />
+    </Routes>
+  )
+}
+
+const AppRouter = () => {
   return (
     <ThemeProvider>
       <Router>
-        <Routes>
-          <Route path="/login" element={<LoginPage />} />
-          <Route
-            path="/*"
-            element={
-              <ProtectedRoute>
-                <App />
-              </ProtectedRoute>
-            }
-          />
-        </Routes>
-        <Toaster position="top-center" />
+        <AppContent />
+        <Toaster position="bottom-center" />
       </Router>
     </ThemeProvider>
   )

lightrag_webui/src/api/lightrag.ts

@@ -173,9 +173,12 @@ axiosInstance.interceptors.response.use(
   (error: AxiosError) => {
     if (error.response) {
       if (error.response?.status === 401) {
-        // Use navigation service to handle redirection
+        // For login API, throw error directly
+        if (error.config?.url?.includes('/login')) {
+          throw error;
+        }
+        // For other APIs, navigate to login page
         navigationService.navigateToLogin();
-
         // Return a never-resolving promise to prevent further execution
         return new Promise(() => {});
       }

lightrag_webui/src/features/LoginPage.tsx

@@ -48,7 +48,7 @@ const LoginPage = () => {
             toast.info(status.message)
           }
           navigate('/')
-          return; // Exit early, no need to set checkingAuth to false
+          return // Exit early, no need to set checkingAuth to false
         }
       } catch (error) {
         console.error('Failed to check auth configuration:', error)
@@ -95,11 +95,17 @@ const LoginPage = () => {
       } else {
         toast.success(t('login.successMessage'))
       }
-
+      
+      // Navigate to home page after successful login
       navigate('/')
     } catch (error) {
       console.error('Login failed...', error)
       toast.error(t('login.errorInvalidCredentials'))
+      
+      // Clear any existing auth state
+      useAuthStore.getState().logout()      
+      // Clear local storage
+      localStorage.removeItem('LIGHTRAG-API-TOKEN')
     } finally {
       setLoading(false)
     }

lightrag_webui/src/services/navigation.ts

@@ -61,13 +61,28 @@ class NavigationService {
    * @param skipReset whether to skip state reset (used for direct access scenario where reset is already handled)
    */
   navigateToLogin() {
-
-    this.resetAllApplicationState();
-    useAuthStore.getState().logout();
-
-    if (this.navigate) {
-      this.navigate('/login');
+    if (!this.navigate) {
+      console.error('Navigation function not set');
+      return;
     }
+
+    // First navigate to login page
+    this.navigate('/login');
+
+    // Then reset state after navigation
+    setTimeout(() => {
+      this.resetAllApplicationState();
+      useAuthStore.getState().logout();
+    }, 0);
+  }
+
+  navigateToHome() {
+    if (!this.navigate) {
+      console.error('Navigation function not set');
+      return;
+    }
+
+    this.navigate('/');
   }
 }