C＃调用aspnet webapi令牌终结点在我的本地主机上完美运行，但在服务器上给出错误

Question

public static async Task<Tuple<bool, string>> GetTokenForAccess(this User user)
{
        var scheme = HttpContext.Current.Request.IsSecureConnection ? "https://" : "http://";
        string baseAddress = $"{scheme}{HttpContext.Current.Request.Url.Authority}";
        using (var client = new HttpClient())
        {
            var accept = "application/json";
            client.DefaultRequestHeaders.Accept.Clear();
            client.DefaultRequestHeaders.Add("Accept", "*/*");
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/x-www-form-urlencoded"));

            string grant_type = "password";
            string body = $"grant_type={grant_type}&username={user.PhoneNumber}&password={user.Password}&grant_access=true";

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, $"{baseAddress}/token")
            {
                Content = new StringContent(body,
                    Encoding.UTF8,
                    "application/x-www-form-urlencoded")
            };
            var response = await client.SendAsync(request);
            var token = response.Content.ReadAsAsync<Token>(new[] { new JsonMediaTypeFormatter() }).Result;


            if (string.IsNullOrEmpty(token.Error))
            {
                return new Tuple<bool, string>(true, token.AccessToken);
            }
            else
            {
                return new Tuple<bool, string>(false, token.Error);
            }
        }
    }

Answer 1

您的问题应该在这里：

client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/x-www-form-urlencoded"));

删除“ application / json”，因为OAuthAuthorizationServerHandler的默认实现仅接受表单编码（即application / x-www-form-urlencoded），而不接受JSON编码（application / JSON）。