向标头添加授权 [英] Adding authorization to the headers

问题描述

我有以下代码:

...
AuthenticationHeaderValue authHeaders = new AuthenticationHeaderValue("OAuth2", Contract.AccessToken);
string result = await PostRequest.AuthenticatedGetData(fullUrl, null, authHeaders);
return result; 
...

public static async Task<string> AuthenticatedGetData(string url, FormUrlEncodedContent data, AuthenticationHeaderValue authValue)
{

    HttpClient client = new HttpClient();
    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(authValue.Parameter);

    HttpResponseMessage response = await client.PostAsync(new Uri(url), data);

    response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
    response.EnsureSuccessStatusCode();
    string responseBody = await response.Content.ReadAsStringAsync();
    return responseBody;
}

response = await 部分只是继续一个持续的循环，什么也没有发生.知道我做错了什么吗?

The response = await part just continues an ongoing loop and nothing happens. Any ideas what I am doing wrong?

真正的问题是，我如何发送以下标头:

The question really is, how do I send the following header:

Authorization: OAuth2 ACCESS_TOKEN

到外部 web api

to an external web api

推荐答案

此行

client.DefaultRequestHeaders.Authorization = 
           new AuthenticationHeaderValue(authValue.Parameter);

将产生这个标题值

Authorization: ACCESS_TOKEN

其中ACCESS_TOKEN 是authValue.Parameter 的值.您想分配您传递的值以获取所需的标头

Where ACCESS_TOKEN is the value of authValue.Parameter. You want to assign the value you passed instead to get the required header

client.DefaultRequestHeaders.Authorization = authValue;

会产生

Authorization: OAuth2 ACCESS_TOKEN

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