远程服务器返回错误：(401) Unauthorized when requesting RestApi data

Question

我正在尝试从 Rest API 获取数据。 API 需要 3 样东西来提供身份验证；

第一个是“接受：application/vnd.###.v1.0+json”

第二个：“内容类型：应用程序/json”

第三个：Base64 编码的“userName:password”字符串

我应该在自定义标头中传递这些凭据以进行验证和授权。我知道这个网站上有很多关于这个主题的帖子，但我无法从他们那里解决问题。

这是代码块：

 public class McAfeeIPSManager
{
    String URL = "https://serviceOfApi/sdkapi/session";

    public void getWebRequest()
    {
        System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
        String username = "user";
        String password = "password1";


        var request = HttpWebRequest.Create(URL) as HttpWebRequest;
        request.Accept = "application/vnd.###.v2.0+json";
        request.Method = "GET";
        request.ContentType = "application/json";


        String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
        request.Headers.Add("Authorization","Basic "+encoded);



        try
        {
            // Get response  
            using (var response = request.GetResponse() as HttpWebResponse)
            {
                // Get the response stream  
                using (var responseReader = new StreamReader(response.GetResponseStream()))
                {
                    string responseBody = responseReader.ReadToEnd();

                    // Console application output  
                    System.Diagnostics.Debug.Write("Response Body ---> " + responseBody);
                    //Console.WriteLine(responseBody);
                }

           }
        }
        catch (WebException ex)
        {
            System.Diagnostics.Debug.Write("Error : " + ex.Message);
            Console.WriteLine("Error: {0}", ex.Message);
        }

    }
}

在这些条件下如何从 WebAPI 获取数据？有人可以帮助我吗？

Answer 1

你没有 PreAuthenticate 和 credential 吗？ 我有一个代码可以帮助你：

  HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://pwmaffr2:8443/remote/system.delete?names=" + DeviceName + "");
                    request.Headers.Add("AUTHORIZATION", "Basic YTph");
                    request.ContentType = "text/html";

                    request.Credentials = new NetworkCredential(Username, Password);
                    ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
                    request.PreAuthenticate = true;
                    request.Method = "GET";
                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                    );

                    StreamReader stream = new StreamReader(response.GetResponseStream());
                    string X = stream.ReadToEnd();

Answer 2

嗯，除了我发布的尝试处理这个之外，它应该对你有用，希望：

string credentials = String.Format("{0}:{1}", username, password);
byte[] bytes = Encoding.ASCII.GetBytes(credentials);
string base64 = Convert.ToBase64String(bytes);
string authorization = String.Concat("basic ", base64);
request.Headers.Add("Authorization", authorization);