네이버 로그인 구현

lib/feature/login/LoginScreen.dart

@@ -1,7 +1,12 @@
+import 'dart:async';
+
 import 'package:blueberry_flutter_template/feature/camera/CameraScreen.dart';
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:app_links/app_links.dart';
+import 'package:blueberry_flutter_template/utils/Talker.dart';
 
 import '../../core/widget/SquareTitleWidget.dart';
 import '../../services/FirebaseAuthServiceProvider.dart';
@@ -26,11 +31,73 @@ final wantEditNameProvider = StateProvider<bool>((ref) => false);
 
 ///# 로그인 화면
 ///* 이메일, 소셜(구글,애플,깃허브) 로그인 기능 제공
-class LoginScreen extends ConsumerWidget {
+class LoginScreen extends ConsumerStatefulWidget {
   const LoginScreen({super.key});
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
+  LoginScreenState createState() => LoginScreenState();
+}
+
+class LoginScreenState extends ConsumerState<LoginScreen> {
+  StreamSubscription? _sub;
+
+  //initAppLinks()는 초기 링크만 처리하고, 실시간 딥 링크 구독은 initState()에서 처리
+  Future<void> initAppLinks() async {
+    final appLinks = AppLinks();
+    final initialLink = await appLinks.getInitialLink();
+    if (initialLink != null) {
+      try {
+        handleDeepLink(initialLink); // 초기 딥링크 처리
+      } catch (e) {
+        talker.error("초기 딥 링크 처리 중 오류 발생: $e");
+      }
+    }
+  }
+
+  Future<void> handleDeepLink(Uri uri) async {
+    try {
+      if (uri.authority == 'login-callback') {
+        final firebaseToken = uri.queryParameters['firebaseToken'];
+        final String? name = uri.queryParameters['name'];
+        final String? profileImage = uri.queryParameters['profileImage'];
+
+        if (firebaseToken != null) {
+          UserCredential userCredential =
+           await FirebaseAuth.instance.signInWithCustomToken(firebaseToken);
+           await userCredential.user?.updateDisplayName(name);
+           await userCredential.user?.updatePhotoURL(profileImage);
+        } else {
+          throw Exception('Firebase token이 존재하지 않습니다.');
+        }
+      }
+    } catch (e) {
+      talker.error("딥 링크 처리 중 오류 발생: $e");
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    initAppLinks(); // 초기 딥 링크 처리
+
+    // 실시간 딥 링크 구독
+    _sub = AppLinks().uriLinkStream.listen((Uri? link) {
+      if (link != null) {
+        handleDeepLink(link);
+      }
+    }, onError: (err) {
+      talker.error("딥 링크 수신 중 오류 발생: $err");
+    });
+  }
+
+  @override
+  void dispose() {
+    _sub?.cancel(); // 구독 해제
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
     // 페이지 정보를 가져오는 상태 관리 객체
     final pageState = ref.watch(pageProvider);
     // 로그인 상태를 가져오는 상태 관리 객체
@@ -196,6 +263,12 @@ Widget _buildLogin(BuildContext context, WidgetRef ref) {
               SquareTileWidget(
                   onTap: () => SocialAuthService().signInWithGithub(),
                   imagePath: 'assets/login_page_images/github.png'),
+              const SizedBox(
+                width: 10,
+              ),
+              SquareTileWidget(
+                  onTap: () => SocialAuthService().signInWithNaver(),
+                  imagePath: 'assets/login_page_images/naver.png'),
             ],
           ),
         ],

lib/router/RouterProvider.dart

@@ -143,4 +143,4 @@ final routerProvider = Provider<GoRouter>((ref) {
       ),
     ],
   );
-});
+});

lib/services/socialauth/SocialAuthService.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 import 'dart:math';
 
@@ -12,6 +13,8 @@ import 'package:flutter/services.dart';
 import 'package:google_sign_in/google_sign_in.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:sign_in_with_apple/sign_in_with_apple.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:firebase_remote_config/firebase_remote_config.dart';
 
 import '../../utils/Talker.dart';
 
@@ -89,6 +92,31 @@ class SocialAuthService {
     getAuthenticateWithFirebase(userCredential, AppStrings.usingGithubLogin);
   }
 
+  ///Naver Sign In
+  Future<void> signInWithNaver() async {
+    final remoteConfig = FirebaseRemoteConfig.instance;
+    await remoteConfig.fetchAndActivate();
+
+    final String clientId = remoteConfig.getString('naver_client_id');
+    final String redirectUri = remoteConfig.getString('naver_redirect_uri');
+    final String state = generateNonce();
+
+    final Uri url = Uri.parse(
+        'https://nid.naver.com/oauth2.0/authorize?response_type=code&client_id=$clientId&redirect_uri=$redirectUri&state=$state');
+
+    try {
+      final bool launched =
+          await launchUrl(url, mode: LaunchMode.externalApplication);
+      if (!launched) {
+        talker.error('네이버 로그인 URL 런칭 실패: $url');
+        throw Exception('네이버 로그인 URL 런칭 실패');
+      }
+    } catch (e) {
+      talker.error('네이버 로그인 URL 런칭 중 오류 발생: $e');
+      throw Exception('네이버 로그인 중 오류 발생: $e');
+    }
+  }
+
   ///* 인증정보를 바탕으로 firestore에 저장하는 함수
   void getAuthenticateWithFirebase(
       UserCredential? credential, String socialCompany) async {

pubspec.yaml

@@ -17,7 +17,7 @@ dependencies:
 
   # Core
   flutter_riverpod: ^2.5.1
-  url_launcher: ^6.2.6
+  url_launcher: ^6.3.0
   uuid: ^4.4.0
 
   # Freezed
@@ -32,6 +32,7 @@ dependencies:
   firebase_analytics: ^11.2.1
   cloud_firestore: ^5.0.2
   firebase_database: ^11.0.4
+  firebase_remote_config: ^5.1.0
 
   # Kakao
   kakao_flutter_sdk_share: ^1.9.5