Asp.net Web Api 2 - 如何从 C# 代码中获取 access_token

Question

我正在为我的网站准备 C# Api。当我调用以下代码登录并获取访问令牌时，response.IsSuccessStatusCode 正常（200），但我无法从响应中找到任何 access_token。我假设访问令牌来自响应正文，但找不到合适的函数来获取响应正文。

var token = new Dictionary<string, string> { {"grant_type", "password"}, {"username", "administrator@parkatstreet.com"}, 
{"password", "OOKKUUc564$"},};

var tknModel = new FormUrlEncodedContent(token);

var resp = await client.PostAsync("http://parkatstreet.com/Token", tknModel);
if (response.IsSuccessStatusCode)
{
    string responseStream = response.Headers.ToString();
}

我得到的回应是：

{StatusCode: 200, ReasonPhrase: 'OK', Version: 1.1, Content: System.Net.Http.StreamContent, Headers: { Pragma: no-cache
X-SourceFiles: =?UTF-8?B?QzpcRGV2ZWxvcG1lbnRcUGF5cm9sbEFwaVxEYml0sElbVxElbVxEYml0sErbxElbVcFcVcFcVe缓存控制：无缓存日期：2015 年 9 月 24 日星期四 05:19:10 GMT
设置Cookie：.AspNet.Cookies = lgQKnoQzwpUbpE9PpVm9L71rlBEBwG_oA4VT89oowNoynkdpHRfGj6Lt92XJ5N1Pnmfv_FUQ07EVuLOLpjiuLtnoqOE2SqAFvXr7tMQmoXlU-pvf8KwkTx6Fl_TyC-VrCPOoOcxEAolBcN3oHXHYcjYPaqmZpQA-mQqcjwxIumXd6eVEHfEZtRj3EiVLS0schzD9TG8IcPq3JkzEQpqu_srEBKbJQ8zIJX6TCfkFK3cvGGJ-6cbV8lIJcPke8ahnc_icDkPKnlfzZZEEZEzeamYX3u1g1R50bj-y01T0JXQLyqGK-EpzjiLwqeO5yv1-yJ_1GQrqv46lomu51WTY_oMIXvGTNEU8wurJtN2XdpBLKg1X79VQxqunniKpYGtYN1wq-SL-RPiFLz9Cnh21yD1ogSNJoWEutyOP3lpCvZp50cAktDqB-swG92_a8f6OPzFHSG0yUq01Ro1YFJNBljP5eWT8r9wGqP1ZlDHLAmQ; 路径=/；HttpOnly 服务器：Microsoft-IIS/10.0 X-Powered-By：ASP.NET 内容长度：688 内容类型：application/json；字符集=UTF-8
过期：-1 }}

我期望的回应是：

{ “ACCESS_TOKEN”： “4B-KAhg7QNMyHNVXFBUFBq5NJvlw7_JmaXZl1SDLIi6sMl5kTh8EfnvNTNa5iUwQuiNSk2Il6nUxheAJ64rroYYF-woWcQ9l8J8g56IuCApUNJWzD31eyJrOBI2yzZcTFY8X0GqpidYhZNvTHsn4PNwOZAHAebBK64yMstb9-66kdgp-vSgvCvH1tA45drlWVuNsjmsX6EHg5WlDFJsPhnDL7Lz4sSYxtFF8ipZvAEoxJ-dGsQHRsIAygY934nrLdYP7saDCAAqlzvUoWspYIO2B9kyyzoYREjb3Y9ik8MEmuGZgk-hzAWkTRMh51tUn0wknMPVsDve_OYdX9qZlMoxDEXJjGhPmxMKd_o2AdGkPU31OTW6Y3JkQZVdTTHqUuCWMTWctkImvIpSRlpwfc71qRltbp1wy7SjHQdpeYC8ZBcjO-B6NImkxjM_yb2BVKM8TrXeqdYrRcKBer6RjpgMCwlha9oH8_yyFNqbw-U1YcrKLvIfJPqjJ45K37bkn”， “token_type”： “承载”， “expires_in”：1209599， “username” 的： “administrator@parkatstreet.com” , ".issued": "Thu, 24 Sep 2015 04:45:59 GMT", ".expires": "Thu, 08 Oct 2015 04:45:59 GMT"}

Answer 1

您可以创建一个新的控制台应用程序并使用以下代码：

namespace APIClientConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            RunAsync().Wait();
        }

        static async Task RunAsync()
        {
            using (var client = new HttpClient())
            {
                // TODO - Send HTTP requests              
                client.BaseAddress = new Uri("http://localhost:24780/");
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));                
                // HTTP POST                
                var body = new List<KeyValuePair<string, string>>
                {
                    new KeyValuePair<string, string>("grant_type", "password"),
                    new KeyValuePair<string, string>("username", "bnk"),
                    new KeyValuePair<string, string>("password", "bnk123")                    
                };
                var content = new FormUrlEncodedContent(body);
                HttpResponseMessage response = await client.PostAsync("token", content);
                if (response.IsSuccessStatusCode)
                {
                    string responseStream = await response.Content.ReadAsStringAsync();
                    Console.WriteLine(responseStream);   
                    Console.ReadLine();                 
                }
            }
        }
    }        
}

您可以在以下链接阅读更多信息

在 ASP.NET Web API 2 (C#) 中从 .NET 客户端调用 Web API