我正在创建一个控制台 c# 应用程序并使用下面的代码来访问我的电子邮件对象。这是我的第一个应用程序。我能够生成令牌,但之后我收到权限不足错误。
{"odata.error":{"code":"Authorization_RequestDenied","message":{"lang":"en","value":"权限不足,无法完成操作。"},"requestId":"aa24be4b -9d63-4460-83ef-9095d21fb483","日期":"2019-06-16T10:07:06"}}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;
using System.Net.Http;
using Microsoft.IdentityModel.Clients.ActiveDirectory;
using System.Threading.Tasks;
namespace ConsoleTestApp
{
class Program
{
private const string _clientId = "hiddenforprivacy";
public const string _aadInstance = "https://login.microsoftonline.com/{0}";
public const string _tenantId = "hiddenforprivacy";
public const string _resource = "https://graph.windows.net";
public const string _appKey = "hiddenforprivacy";
static string authority = string.Format(CultureInfo.InvariantCulture, _aadInstance, _tenantId);
private static HttpClient _httpClient = new HttpClient();
private static AuthenticationContext _context = null;
private static ClientCredential _credential = null;
static void Main(string[] args)
{
_context = new AuthenticationContext(authority);
_credential = new ClientCredential(_clientId, _appKey);
Task<string> _token = GetToken();
_token.Wait();
Console.WriteLine(_token.Result);
Task<string> _users = GetUsers(_token.Result);
_users.Wait();
Console.WriteLine(_users.Result);
Console.ReadLine();
}
private static async Task<string> GetUsers(string result)
{
string _users1 = null;
string _queryString = "api-version=1.6";
var _uri = "https://graph.windows.net/TENANT-ID/users?" + _queryString;
_httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", result);
var _getResult = await _httpClient.GetAsync(_uri);
if (_getResult != null)
{
_users1 = await _getResult.Content.ReadAsStringAsync();
}
return _users1;
}
private static async Task<string> GetToken()
{
AuthenticationResult _result = null;
string _token2 = null;
_result = await _context.AcquireTokenAsync(_resource, _credential);
_token2 = _result.AccessToken;
return _token2;
}
}
}