json C# httpclient authorize header不适合我？

t3irkdon 于 5个月前发布在 C#

关注(0)|答案(1)|浏览(51)

我想做一个应用程序，让我从discogs查询数据库。
根据API文档，我只需要一个令牌就可以完成这项工作，所以我注册并获得了一个用户令牌。
现在，当我使用postman和https://api.discogs.com/database/search?release_title=nevermind&artist=nirvana&per_page=3&page=1&token=<my_user_token>时，我收到了我所期望的JSON。
但是当我在C#中使用token创建httpclient时：

public string token = <my_user_token>;
    public static HttpClient client { get; set; }
    public static async Task InitilizeClient()
    {
        await GetAccesToken();
    }

    private static async Task GetAccesToken()
    {
        client = new HttpClient();
        client.DefaultRequestHeaders.Accept.Clear();
        client.BaseAddress = new Uri(@"https://api.discogs.com");
        //client.DefaultRequestHeaders.Authorization=new AuthenticationHeaderValue("Discogs", "token="+token);
        client.DefaultRequestHeaders.TryAddWithoutValidation("Authorization","Discogs token=" + token);
        client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
    }

字符串
然后像这样使用客户端

public static async Task QueryDataBaseAsync(string query)
    {
       if (query == null)
        {
            throw new Exception("query is empty");
        }
        string url = "";
        url = @"https://api.discogs.com/database/search?release_title="+query;
        if (client == null)
        {
            await InitilizeClient();
        }
        using (HttpResponseMessage response = await client.GetAsync(url))
        {
            if (response.IsSuccessStatusCode)
            {

            }
            else
            {
                throw new Exception(response.ReasonPhrase + " \n" + response.RequestMessage.ToString());
            }
        }

    }

型
我总是得到：
原因短语“禁止”，“状态代码：403”
当我在我的HttpResponseMessage response上设置一个断点时，我可以看到在“headers”=>“responsemessage”=>“headers”=>“authorization”下面有我的token。
我做错了什么？
我是编程新手，如果你能解释我做错了什么，我将不胜感激

JSON

来源：https://stackoverflow.com/questions/58377892/c-sharp-httpclient-authorize-header-not-working-for-me

1条答案

按热度按时间

xzlaal3s1#

您可能需要在标题中提供user-agent。沿着这些行：

client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36");

字符串
就像这样：

public class DiscConsumer
{
    //https://www.discogs.com/developers#page:authentication,header:authentication-discogs-auth-flow
    //curl "https://api.discogs.com/database/search?q=Nirvana" -H "Authorization: Discogs key=foo123, secret=bar456"

    private const string _urlQuery = "https://api.discogs.com/database/search?q={query}";
    private const string _key = "<....your key....>";
    private const string _secret = "<....your secret...>";

    private System.Net.Http.HttpClient _httpClient;
    public async Task InitilizeClient()
    {
        //ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
        var sslhandler = new HttpClientHandler()
        {
            //...in System.Security.Authentication.SslProtocols
            SslProtocols = SslProtocols.Tls12 | SslProtocols.Tls11 | SslProtocols.Tls
        };
        _httpClient = new System.Net.Http.HttpClient(sslhandler);
        string authorization = $"Discogs key={_key}, secret={_secret}";
        _httpClient.DefaultRequestHeaders.Add("Authorization", authorization);
        _httpClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36");
    }

    public async Task QueryDataBaseAsync(string query)
    {
        if (String.IsNullOrWhiteSpace( query ))
        {
            throw new Exception("query is empty");
        }
        string url = "";
        url = _urlQuery.Replace("{query}", query);
        if (_httpClient == null)
        {
            await InitilizeClient();
        }
        using (HttpResponseMessage response = await _httpClient.GetAsync(url))
        {
            if (response.IsSuccessStatusCode)
            {
                string s = await response.Content.ReadAsStringAsync();
                Console.WriteLine(s);
            }
            else
            {
                throw new Exception(response.ReasonPhrase + " \n" + response.RequestMessage.ToString());
            }
        }
    }
}

型
根据https：//www.discogs.com/developers#page：authentication，header：authentication-discogs-auth-flow，您可以在搜索沿着为每个请求提供key+secret。

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json C# httpclient authorize header不适合我？

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