Unity 接入Firebase第三方登录（Apple、Facebook、Google）

admin • 2023-04-30 19:54 • 游戏开发

一、 Firebase接入

1. SDK下载

图片中1为demo地址，2为SDK包

2. 接入准备工作

此为firebase的unity包，根据自身需求接入对应的，对应关系如下

3. firebase初始化

public class FireBase : MonoBehaviour
{
    Firebase.FirebaseApp app;
    Firebase.Auth.FirebaseAuth auth;

    private bool firebaseInitialized;

    // Start is called before the first frame update
    IEnumerator Start()
    {
        InitializeFirebaseAndStart();
        while (!firebaseInitialized)
        {
            yield return null;
        }
        auth = Firebase.Auth.FirebaseAuth.DefaultInstance;
    }

	// 初始化firebase
    void InitializeFirebaseAndStart()
    {
        FirebaseApp.CheckAndFixDependenciesAsync().ContinueWithOnMainThread(task =>
        {
            var dependencyStatus = task.Result;
            if (dependencyStatus == DependencyStatus.Available)
            {
                firebaseInitialized = true;
                Debug.Log("firebase Initialized");
            }
            else
            {
                Debug.LogError("Could not resolve all Firebase dependencies: " + dependencyStatus);
                // Application.Quit();
            }
        });
    }
}

4. 登录接入文档

官方文档

在此介绍三种第三方登录，根据官方文档提示，Apple、Google、Facebook 都需要再接入sdk获取token，然后使用firebase的验证获取firebase的token。

二、 Google 登录接入

注意：本文介绍的是google登录，而非google-play-game登录

1. 插件介绍

在此推荐一个插件 google-signin，地址为： google-signin

打包测试，Android测试成功，但是iOS会报如下错误

官方推荐是使用老版本，地址如下：https://github.com/googlesamples/google-signin-unity/issues/102，可供参考

因为我使用的sdk都是新版本，在此选择升级，升级后的地址如下
地址：使用google 6.0.0 以上版本地址

2. 初始化

 GoogleSignIn.Configuration = new GoogleSignInConfiguration
 {
     RequestIdToken = true,
     // Copy this value from the google-service.json file.
     // oauth_client with type == 3
     //填入在配置谷歌项目SHA1值时给你的Client ID
     WebClientId = " "
 };

3. 登录请求

 public void GoogleLogin()
 {
     Debug.Log("Enter Google Script Login Method");
     Task<GoogleSignInUser> signIn = GoogleSignIn.DefaultInstance.SignIn();

     signIn.ContinueWithOnMainThread(task =>
     {
         if (task.IsCanceled)
         {
             Debug.Log("task.IsCanceled");
         }
         else if (task.IsFaulted)
         {
             Debug.Log("task.IsFaulted = " + task.Exception.Message);
         }
         else
         {
             var idToken = ((Task<GoogleSignInUser>)task).Result.IdToken;
             Debug.Log("idToken = " + idToken);
             Credential credential = Firebase.Auth.GoogleAuthProvider.GetCredential(idToken, null);
             CredentialSigin(credential);
         }
     });

 }

4. firebase 登录验证

三种登录方式都用此方法验证

public void CredentialSigin(Credential credential)
{
   auth.SignInWithCredentialAsync(credential).ContinueWith(async authTask =>
   {
       if (authTask.IsCanceled)
       {
           Debug.Log("authTask.IsCanceled");
       // if (LoginResultManager.Instance != null)
       //     LoginResultManager.Instance.OpenLoginResult(false);
       // signInCompleted.SetCanceled();
       }
       else if (authTask.IsFaulted)
       {
           Debug.Log("authTask.IsFaulted");
       // if (LoginResultManager.Instance != null)
       //     LoginResultManager.Instance.OpenLoginResult(false);
       // signInCompleted.SetException(authTask.Exception);
       }
       else
       {
       // signInCompleted.SetResult(((Task<FirebaseUser>)authTask).Result);
           Firebase.Auth.FirebaseUser newUser = authTask.Result;
           Debug.Log(String.Format("User Login Successful : {0} ({1})", newUser.DisplayName, newUser.UserId));

           var token = await newUser.TokenAsync(true);
           Debug.Log("Firebase Token = " + token);

           // 访问服务器

           action_fbToken?.Invoke(token);

       }
   });
}

三、FaceBook 登录接入

1. 插件介绍

地址：facebook

2. 接入设置

导入相关unity包后，根据下图所示填入信息

3. 初始化

public void InitializeFacebook()
{
    if (!FB.IsInitialized)
    {
        // Initialize the Facebook SDK
        FB.Init(InitCallback, OnHideUnity);
    }
    else
    {
        // Already initialized, signal an app activation App Event
        FB.ActivateApp();
    }
}

private void InitCallback()
{
    if (FB.IsInitialized)
    {
        // Signal an app activation App Event
        FB.ActivateApp();
        // Continue with Facebook SDK
        // ...
    }
    else
    {
        Debug.Log("Failed to Initialize the Facebook SDK");
    }
}

private void OnHideUnity(bool isGameShown)
{
    if (!isGameShown)
    {
        // Pause the game - we will need to hide
        Time.timeScale = 0;
    }
    else
    {
        // Resume the game - we're getting focus again
        Time.timeScale = 1;
    }
}

4. 登录请求

public void FacebookLogin()
{
    if (FB.IsInitialized)
    {
        var perms = new List<string>() { "public_profile", "email" };
        FB.LogInWithReadPermissions(perms, AuthCallback);
    }
    else
    {
        Debug.Log("Not Init");
    }

}

private void AuthCallback(ILoginResult result)
{
    if (result.Error != null)
    {
        Debug.Log("Error: " + result.Error);
    }
    else
    {
        if (FB.IsLoggedIn)
        {
            // AccessToken class will have session details
            var aToken = Facebook.Unity.AccessToken.CurrentAccessToken;
            // Print current access token's User ID
            Debug.Log("aToken.UserId: " + aToken.UserId);
            // Print current access token's granted permissions
            foreach (string perm in aToken.Permissions)
            {
                Debug.Log("perm: " + perm);
            }
            var idToken = aToken.TokenString;

            Credential credential = Firebase.Auth.FacebookAuthProvider.GetCredential(idToken);
            CredentialSigin(credential);
        }
        else
        {
            Debug.Log("User cancelled login");
        }
    }
}

5. firebase登录验证

同Google登录接入的第四步

四、 Apple登录接入

1. 插件介绍

推荐使用此插件，此插件也是官方文档中提到的插件

GitHub地址： Sign in with Apple Unity Plugin

2. 接入设置

根据文档添加后处理文件

3. 初始化

private IAppleAuthManager _appleAuthManager;

void InitializeApple()
{
    if (AppleAuthManager.IsCurrentPlatformSupported)
    {
        // Creates a default JSON deserializer, to transform JSON Native responses to C# instances
        var deserializer = new PayloadDeserializer();
        // Creates an Apple Authentication manager with the deserializer
        this._appleAuthManager = new AppleAuthManager(deserializer);
    }
}

void Update()
{
    // Updates the AppleAuthManager instance to execute
    // pending callbacks inside Unity's execution loop
    if (this._appleAuthManager != null)
    {
        this._appleAuthManager.Update();
    }
}

4. 登录请求

public void AppleLogin()
{
    var rawNonce = GenerateRandomString(32);
    var nonce = GenerateSHA256NonceFromRawNonce(rawNonce);
    var loginArgs = new AppleAuthLoginArgs(LoginOptions.IncludeEmail | LoginOptions.IncludeFullName, nonce);

    this._appleAuthManager.LoginWithAppleId(
        loginArgs,
        credential =>
        {
        // Obtained credential, cast it to IAppleIDCredential
            var appleIdCredential = credential as IAppleIDCredential;
            if (appleIdCredential != null)
            {
            // Apple User ID
            // You should save the user ID somewhere in the device
                var userId = appleIdCredential.User;
                Debug.Log("app userId = " + userId);
            // PlayerPrefs.SetString(AppleUserIdKey, userId);

            // Email (Received ONLY in the first login)
                var email = appleIdCredential.Email;
                Debug.Log("app email = " + email);

            // Full name (Received ONLY in the first login)
                var fullName = appleIdCredential.FullName;
                Debug.Log("app fullName = " + fullName);

            // Identity token
                var identityToken = Encoding.UTF8.GetString(
                    appleIdCredential.IdentityToken,
                    0,
                    appleIdCredential.IdentityToken.Length);

                Debug.Log("app identityToken = " + identityToken);

            // Authorization code
                var authorizationCode = Encoding.UTF8.GetString(
                    appleIdCredential.AuthorizationCode,
                    0,
                    appleIdCredential.AuthorizationCode.Length);

                Debug.Log("app authorizationCode = " + authorizationCode);

            // And now you have all the information to create/login a user in your system

                Credential FirebaseCredential = Firebase.Auth.OAuthProvider.GetCredential("apple.com", identityToken, rawNonce, authorizationCode);
                CredentialSigin(FirebaseCredential);
            }

        },
        error =>
        {
            var authorizationErrorCode = error.GetAuthorizationErrorCode();
            Debug.LogWarning("Sign in with Apple failed " + authorizationErrorCode.ToString() + " " + error.ToString());

        });
}

5. firebase登录验证

同Google登录接入的第四步

五、结语

希望大家都可以成功接入，有任何问题欢迎评论区提问。

本图文内容来源于网友网络收集整理提供，作为学习参考使用，版权属于原作者。

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Unity 接入Firebase第三方登录（Apple、Facebook、Google）

目录

一、 Firebase接入

1. SDK下载

2. 接入准备工作

3. firebase初始化

4. 登录接入文档

二、 Google 登录接入

1. 插件介绍

2. 初始化

3. 登录请求

4. firebase 登录验证

三、FaceBook 登录接入

1. 插件介绍

2. 接入设置

3. 初始化

4. 登录请求

5. firebase登录验证

四、 Apple登录接入

1. 插件介绍

2. 接入设置

3. 初始化

4. 登录请求

5. firebase登录验证

五、结语

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