Xamarin Android：为什么对 Azure 活动目录的身份验证不起作用

Question

大家好我是谷口

我正在尝试对 Azure 活动目录进行身份验证，但代码 sintaxe 显示错误。

认证接口：

public interface IAuthenticator
{
    Task<AuthenticationResult> Authenticate(string authority, string resource, string clientId, string returnUri);
}

验证者class:

[assembly: Xamarin.Android.Dependency(typeof(App11.Authenticator))]
public class Authenticator : IAuthenticator
{
    public async Task<AuthenticationResult> Authenticate(string authority, string resource, string clientId, string returnUri)
    {
        var authContext = new AuthenticationContext(authority);
        if (authContext.TokenCache.ReadItems().Count() > 0)
            authContext = new AuthenticationContext(authContext.TokenCache.ReadItems().First().Authority);
        var uri = new Uri(returnUri);

        var platformParams = new PlatformParameters((Activity)Android.Context);
        var authResult = await authContext.AcquireTokenAsync(resource, clientId, uri, platformParams);
        return authResult;
    }
}

我在哪里调用认证：

public class MainActivity : AppCompatActivity
{
    protected override void OnCreate(Bundle bundle)
    {
        base.OnCreate(bundle);
        SetContentView(Resource.Layout.activity_main);
        Authenticate();
    }

    public async void Authenticate()
    {
        string Nome_Usuario = "taniguchi.sales@ax4b.com";
        string clientId = "2b121ed5-9fe6-4ddf-bdea-9bbe8cd37bd0";
        string authority = "https://login.microsoftonline.com/ax4b.com";
        string returnUri = "https://ax4bdev.crm2.dynamics.com";
        string graphResourceUri = "https://ax4bdev.crm2.dynamics.com";
        var auth = Xamarin.Android.DependencyService.Get<IAuthenticator>();
        var data = await auth.Authenticate(authority, graphResourceUri, clientId, returnUri);
    }

    protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
    {
        base.OnActivityResult(requestCode, resultCode, data);
        AuthenticationAgentContinuationHelper.SetAuthenticationAgentContinuationEventArgs(requestCode, resultCode, data);
    }

线路：

[assembly: Xamarin.Android.Dependency(typeof(App11.Authenticator))]

显示错误：错误 CS0234 命名空间 'Xamarin.Android' 中不存在类型或命名空间名称 'DependencyAttribute'（是否缺少程序集引用？）

Answer 1

[assembly: Xamarin.Android.Dependency(typeof(App11.Authenticator))]

DependencyService平时用在Xamarin.Forms,但是现在你是Xamarin.Android project.you 不需要 IAuthenticator 和 Authenticator class ，你可以把方法写在你的 activity直接点赞（我不确定你的Authenticate方法是否有效，只针对Dependency的错误）：

private  async void Authenticate()
    {
        string Nome_Usuario = "taniguchi.sales@ax4b.com";
        string clientId = "2b121ed5-9fe6-4ddf-bdea-9bbe8cd37bd0";
        string authority = "https://login.microsoftonline.com/ax4b.com";
        string returnUri = "https://ax4bdev.crm2.dynamics.com";
        string graphResourceUri = "https://ax4bdev.crm2.dynamics.com";
        var data = await Authenticate(authority, graphResourceUri, clientId, returnUri);

    }

    private async Task<AuthenticationResult> Authenticate(string authority, string resource, string clientId, string returnUri)
    {
        var authContext = new AuthenticationContext(authority);
        if (authContext.TokenCache.ReadItems().Count() > 0)
            authContext = new AuthenticationContext(authContext.TokenCache.ReadItems().First().Authority);
        var uri = new Uri(returnUri);

        var platformParams = new PlatformParameters(this);
        var authResult = await authContext.AcquireTokenAsync(resource, clientId, uri, platformParams);
        return authResult;
    }

Xamarin Android：为什么对 Azure 活动目录的身份验证不起作用

Xamarin Android: Why authentication to azure active diretory is not working

c#

dynamics-crm

xamarin.android