facebook登录代码验证

ios/Runner/Info.plist

@@ -5,6 +5,8 @@
 <key>CFBundleURLTypes</key>
 <array>
   <dict>
+  <key>CFBundleURLName</key>
+        <string>com.yunqiinnovation.deepsound</string>
   <key>CFBundleURLSchemes</key>
   <array>
     <string>fb3829022037361855</string>
@@ -38,6 +40,8 @@
 	<string>DeepSound</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
+<key>NSUserTrackingUsageDescription</key>
+	<string>This application needs to access your tracking data in order to offer better personalized services and advertisements</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>

lib/modules/login/controllers/facebookLogin.dart

@@ -1,6 +1,13 @@
+import 'dart:convert';
+import 'dart:io';
+import 'dart:math';
+
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_facebook_auth/flutter_facebook_auth.dart';
 import 'package:get/get.dart';
+import 'package:crypto/crypto.dart';
 
 class Facebook {
   String token = '';
@@ -9,35 +16,90 @@ class Facebook {
   String email = '';
   String pictureurl = '';
   String id = '';
+  String generateNonce([int length = 32]) {
+    const charset =
+        '0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz-._';
+    final random = Random.secure();
+    return List.generate(length, (_) => charset[random.nextInt(charset.length)])
+        .join();
+  }
+
+  /// Returns the sha256 hash of [input] in hex notation.
+  String sha256ofString(String input) {
+    final bytes = utf8.encode(input);
+    final digest = sha256.convert(bytes);
+    return digest.toString();
+  }
 
   // FaceBook登录
   // 修改后的 signInWithFacebook
   Future<bool> signInWithFacebook() async {
     try {
-      print("开始 Facebook 登录");
+      final rawNonce = generateNonce();
-      final LoginResult result = await FacebookAuth.instance.login();
+      final nonce = sha256ofString(rawNonce);
-      print("Facebook 登录结果：$result");
+      final LoginResult loginResult = await FacebookAuth.instance
-
+          .login(
-      if (result.status == LoginStatus.success) {
+        loginTracking: LoginTracking.enabled,
-        token = result.accessToken!.tokenString;
+        nonce: nonce,
-        print("Facebook Token: $token");
+      )
-
+          .catchError((onError) {
-        final credential = FacebookAuthProvider.credential(token);
+        if (kDebugMode) {
-        print("Facebook Token: $credential");
+          //print(onError);
-        final userData = await FacebookAuth.instance.getUserData();
+        }
-        name = userData["name"].toString();
+        throw Exception(onError.message);
-
+      });
-        email = userData["email"].toString();
+      if (loginResult.accessToken == null) {
-        pictureurl = userData["picture"]["data"]["url"].toString();
+        throw Exception(loginResult.message);
-        id = userData["id"].toString();
+      }
-        print("user login facebook ${userData..values}");
+      // Create a credential from the access token
-        print("user login facebook ${email}${pictureurl}${name}${id}");
+      OAuthCredential facebookAuthCredential;
-
+
-        return true;
+      print("tokenType${loginResult.accessToken!.type}");
+
+      if (Platform.isIOS) {
+        // Create a credential from the access token
+        switch (loginResult.accessToken!.type) {
+          case AccessTokenType.classic:
+            final classicToken = loginResult.accessToken as ClassicToken;
+            token = classicToken.tokenString;
+            print('Token 字符串: ${classicToken.tokenString}');
+            print('classicToken值: ${classicToken}');
+            facebookAuthCredential = FacebookAuthProvider.credential(
+              classicToken.authenticationToken!,
+            );
+            break;
+          case AccessTokenType.limited:
+            final limitedToken = loginResult.accessToken as LimitedToken;
+            token = limitedToken.tokenString;
+            print('Token 字符串: ${limitedToken.tokenString}');
+            print('LimitedToken值: ${limitedToken}');
+            facebookAuthCredential = OAuthCredential(
+              providerId: 'facebook.com',
+              signInMethod: 'oauth',
+              idToken: limitedToken.tokenString,
+              rawNonce: rawNonce,
+            );
+            break;
+        }
       } else {
-        print("登录失败，状态：${result.status}，消息：${result.message}");
+        facebookAuthCredential = FacebookAuthProvider.credential(
-        return false;
+          loginResult.accessToken!.tokenString,
+        );
+        token = loginResult.accessToken!.tokenString;
+      }
+      print('facebookAuthCredential值: ${facebookAuthCredential}');
+      if (facebookAuthCredential == null) {
+        throw Exception("Facebook Login Fail.");
       }
+      final userData = await FacebookAuth.instance.getUserData();
+      name = userData["name"].toString();
+
+      email = userData["email"].toString();
+      pictureurl = userData["picture"]["data"]["url"].toString();
+      id = userData["id"].toString();
+      print("user login facebook ${email}${pictureurl}${name}${id}");
+
+      return true;
     } catch (e) {
       print("Facebook 登录异常：$e");
       return false;