Implement Redirect Authentication for Google and GitHub Sign-In (#5515)

1 files changed, 8 insertions, 15 deletions

diff --git a/frontend/lib/services/auth_service.dart b/frontend/lib/services/auth_service.dart
index dac4db90b..3cbb3b9c7 100644
--- a/frontend/lib/services/auth_service.dart
+++ b/frontend/lib/services/auth_service.dart
@@ -7,31 +7,24 @@ class AuthService {
       clientId:
           "387936576242-iejdacrjljds7hf99q0p6eqna8rju3sb.apps.googleusercontent.com");
 
-  // Sign in with Google
+// Sign in with Google using redirect
   Future<UserCredential?> signInWithGoogle() async {
     try {
-      final GoogleSignInAccount? googleSignInAccount =
-          await googleSignIn.signIn();
-      if (googleSignInAccount != null) {
-        final GoogleSignInAuthentication googleSignInAuthentication =
-            await googleSignInAccount.authentication;
-        final AuthCredential credential = GoogleAuthProvider.credential(
-          accessToken: googleSignInAuthentication.accessToken,
-          idToken: googleSignInAuthentication.idToken,
-        );
-        return await _auth.signInWithCredential(credential);
-      }
+      final GoogleAuthProvider googleProvider = GoogleAuthProvider();
+      await _auth.signInWithRedirect(googleProvider);
+      return await _auth.getRedirectResult();
     } catch (e) {
       print("Error during Google Sign-In: $e");
       return null;
     }
   }
 
-  // Sign in with GitHub
+// Sign in with GitHub using redirect
   Future<UserCredential?> signInWithGitHub() async {
     try {
-      final GithubAuthProvider provider = GithubAuthProvider();
-      return await _auth.signInWithPopup(provider);
+      final GithubAuthProvider githubProvider = GithubAuthProvider();
+      await _auth.signInWithRedirect(githubProvider);
+      return await _auth.getRedirectResult();
     } catch (e) {
       print("Error during GitHub Sign-In: $e");
       return null;