Connect to Microsoft Graph use ADAL & Microsoft Graph SDK

micrsoftgraphsdkwithadal.cs

using Microsoft.Graph;
using Microsoft.IdentityModel.Clients.ActiveDirectory;
using System;
using System.Threading.Tasks;

namespace MicrosoftGraphSampleUseADAL
{
    //这个代码演示了如何使用ADAL和Microsoft Graph库来实现访问，并且分别实现了国际版和国内版
    //作者：陈希章

    class Program
    {
        static void Main(string[] args)
        {

            //国际版 1a7b2299-db59-4dbc-b469-22756728a833
            //国内版 d64e46b8-6827-46d8-b70c-6b72aa1af48b

            var config = new GallatinConfig();
            var client = new GraphServiceClient(config.BaseUrl,new DelegateAuthenticationProvider(async request =>
            {
                var token = await GetAccessToken("d64e46b8-6827-46d8-b70c-6b72aa1af48b", "http://localhost", config);
                request.Headers.Add("Authorization", $"Bearer {token}");
            }));

            

            var user = client.Me.Request().GetAsync();

            Console.WriteLine(user.Result.DisplayName);

            Console.Read();
        }


        interface IOffice365Config
        {
            string AuthorizationEndpoint { get; }
            string ResourceUrl { get;}
            string BaseUrl { get;}
        }

        class GallatinConfig : IOffice365Config
        {
            public string AuthorizationEndpoint => "https://login.chinacloudapi.cn/common/oauth2/authorize";

            public string ResourceUrl => "https://microsoftgraph.chinacloudapi.cn";

            public string BaseUrl => "https://microsoftgraph.chinacloudapi.cn/v1.0";
        }

        class GlobalConfig : IOffice365Config
        {
            public string AuthorizationEndpoint => "https://login.microsoftonline.com/common/oauth2/authorize";

            public string ResourceUrl => "https://graph.microsoft.com";

            public string BaseUrl => "https://graph.microsoft.com/v1.0";
        }


        


        static async Task<string> GetAccessToken(string clientId,string redirctUrl,IOffice365Config config) {



            AuthenticationResult result = null;

            var context = new AuthenticationContext(config.AuthorizationEndpoint);

            try
            {
                result = await context.AcquireTokenSilentAsync(config.ResourceUrl, clientId);
            }
            catch (Exception)
            {
                result = await context.AcquireTokenAsync(config.ResourceUrl, clientId, new Uri(redirctUrl), new PlatformParameters(PromptBehavior.Auto));
            }

            return result.AccessToken;
        }

      

    
    }
}