RestSharp HttpBasicAuthentication - 示例

Question

我有一个使用 RestSharp 和 WEB API 服务的 WPF 客户端。我尝试如下使用HttpBasicAuthenticator：

RestRequest login = new RestRequest("/api/users/login", Method.POST);
var authenticator = new HttpBasicAuthenticator("admin","22");
authenticator.Authenticate(Client, login);
IRestResponse response = Client.Execute(login); 

POST 请求如下所示：

POST http://localhost/api/users/login HTTP/1.1
Authorization: Basic YWRtaW46MjI=
Accept: application/json, application/xml, text/json, text/x-json, text/javascript, text/xml
User-Agent: RestSharp/105.1.0.0
Host: dellnote:810
Content-Length: 0
Accept-Encoding: gzip, deflate
Connection: Keep-Alive

1. 如何在服务器端处理Authorization: Basic YWRtaW46MjI=这个字段？我是否从此标题中获取用户名和密码？
2. 如何将安全令牌从服务器返回到客户端并保存在客户端？

我需要获得基于安全令牌的简单身份验证，但找不到描述此过程各个方面的示例。有人可以指出一些完整的例子，包括客户端和服务器端（并使用 RestSharp）。

Answer 1

以下内容对我有用：

private string GetBearerToken()
{
    var client = new RestClient("http://localhost");
    client.Authenticator = new HttpBasicAuthenticator("admin", "22");
    var request = new RestRequest("api/users/login", Method.POST);
    request.AddHeader("content-type", "application/json");
    request.AddParameter("application/json", "{ \"grant_type\":\"client_credentials\" }", ParameterType.RequestBody);
    var responseJson = _client.Execute(request).Content;
    var token = JsonConvert.DeserializeObject<Dictionary<string, object>>(responseJson)["access_token"].ToString();
    if(token.Length == 0)
    {
        throw new AuthenticationException("API authentication failed.");
    }
    return token;
}

Answer 2

RestClient restClient = new RestClient(baseUrl);
restClient.Authenticator = new RestSharp.Authenticators.HttpBasicAuthenticator("admin","22");

RestRequest login = new RestRequest("/api/users/login", Method.POST);
IRestResponse response = restClient.Execute(login);

Answer 3

new SimpleAuthenticator("username", username, "password", password) 没有不和我一起工作。

以下方法有效：

var client = new RestClient("http://example.com");
client.Authenticator = new HttpBasicAuthenticator(userName, password);

var request = new RestRequest("resource", Method.GET);
client.Execute(request);

Answer 4

另外回答您关于从How can I retrieve Basic Authentication credentials from the header? 检索 Auth 标头值（服务器端）的第一个问题：

private UserLogin GetUserLoginCredentials()
{
    HttpContext httpContext = HttpContext.Current;
    UserLogin userLogin;
    string authHeader = httpContext.Request.Headers["Authorization"];

    if (authHeader != null && authHeader.StartsWith("Basic"))
    {
        string encodedUsernamePassword = authHeader.Substring("Basic ".Length).Trim();
        Encoding encoding = Encoding.GetEncoding("iso-8859-1");
        string usernamePassword = encoding.GetString(Convert.FromBase64String(encodedUsernamePassword));
        int seperatorIndex = usernamePassword.IndexOf(':');

        userLogin = new UserLogin()
        {
            Username = usernamePassword.Substring(0, seperatorIndex),
            Password = usernamePassword.Substring(seperatorIndex + 1)
        };
    }
    else
    {
        //Handle what happens if that isn't the case
        throw new Exception("The authorization header is either empty or isn't Basic.");
    }
    return userLogin;
}

这个方法的用法可能是：

UserLogin userLogin = GetUserLoginCredentials();

也可以看看：A-WebAPI-Basic-Authentication-Authorization-Filter

关于返回令牌的第二个问题的替代答案（服务器端）：

var httpResponseMessage = Request.CreateResponse();

TokenResponse tokenResponse;
bool wasAbleToGetAccesToken = _identityServerHelper.TryGetAccessToken(userLogin.Username, userLogin.Password,
            platform, out tokenResponse);

httpResponseMessage.StatusCode = wasAbleToGetAccesToken ? HttpStatusCode.OK : HttpStatusCode.Unauthorized;
httpResponseMessage.Content = new StringContent(JsonConvert.SerializeObject(tokenResponse),
            System.Text.Encoding.UTF8, "application/json");

return httpResponseMessage;

Answer 5

来自 RestSharp 文档：

var client = new RestClient("http://example.com");
client.Authenticator = new SimpleAuthenticator("username", "foo", "password", "bar");

var request = new RestRequest("resource", Method.GET);
client.Execute(request);

为此请求生成的 URL 将是 http://example.com/resource?username=foo&password=bar

因此，您可以像获取任何其他参数一样获取密码（尽管出于安全原因，建议使用 POST 方法然后 GET）。

关于 cookie，请查看： https://msdn.microsoft.com/en-us/library/system.windows.application.setcookie.aspx

https://msdn.microsoft.com/en-us/library/system.windows.application.getcookie.aspx

希望对你有帮助