请求ACCESS_TOKEN的Instagram [英] Request the access_token Instagram

问题描述

我有以下问题：

我想实现的Instagram到我的网站。但是我坚持在台阶上，我需要得到艾策斯令牌。 API的文件说，我需要请求它是这样的：

I am trying to implement Instagram into my website. However I am stuck on the step where I need to get the Acces token. The api's documentation says I need to request it like this :

curl \-F 'client_id=CLIENT-ID' \
-F 'client_secret=CLIENT-SECRET' \
-F 'grant_type=authorization_code' \
-F 'redirect_uri=YOUR-REDIRECT-URI' \
-F 'code=CODE' \https://api.instagram.com/oauth/access_token

我使用ASP.NET，所以我发现这个相当于的OAuth 2.0在.NET随着Instagram的API ：

NameValueCollection parameters = new NameValueCollection();
            parameters.Add("client_id", "ssdfsdfsdfsdfsdf");
            parameters.Add("client_secret", "sdsdfdsfsdfsdfsdfsdfsdf");
            parameters.Add("grant_type", "authorization_code");
            parameters.Add("redirect_uri", "http://localhost:2422/LoginsGuests/GetLoginPage");
            parameters.Add("code", code);

            WebClient client = new WebClient();
            var result = client.UploadValues("https://api.instagram.com/oauth/access_token", parameters);

            var response = System.Text.Encoding.Default.GetString(result);

不过，我不断收到：
    System.Net.WebException：远程服务器返回错误：（400）错误的请求。

However I keep getting: System.Net.WebException: The remote server returned an error: (400) Bad Request.

我是什么，我做错了什么？

What I am i doing wrong?

推荐答案

几乎没有了Instagram的API需要一个POST而不是GET。

Almost there the instagram api expects a POST not a GET.

添加POST参数。

VAR的结果= client.UploadValues​​（ https://api.instagram.com/oauth/access_token ，POST，参数）;

var result = client.UploadValues("https://api.instagram.com/oauth/access_token", "POST", parameters);

另外，还要检查Instagram的设置 - >重定向URL。

Also check the instagram settings -> redirect url.

那么这可能会帮助别忘了添加引用Newtonsoft.Json。在.NET中4.5.1版：

Then this may help don't forget to add a reference to Newtonsoft.Json. Is in .Net version 4.5.1:

using System;
using System.Collections.Specialized;
using System.Net;
using System.Text;

namespace Instagram
{
    public class InstagramClient
    {
        public InstagramClient(string code)
        {
            GetToken(code);
        }

        private void GetToken(string code)
        {
            using (var wb = new WebClient())
            {
                var parameters = new NameValueCollection
                                 {
                                     {"client_id", "ClientId"},
                                     {"client_secret", "ClientSecret"},
                                     {"grant_type", "authorization_code"},
                                     {"redirect_uri", "RedirectUri"},
                                     {"code", code}
                                 };

                var response = wb.UploadValues("https://api.instagram.com/oauth/access_token", "POST", parameters);
                string json = Encoding.ASCII.GetString(response);

                try
                {
                    var OauthResponse = (InstagramOAuthResponse)    Newtonsoft.Json.JsonConvert.DeserializeObject(json, typeof(InstagramOAuthResponse));
                }
                catch (Exception ex)
                {
                    //handle ex if needed.
                }
            }
        }

        public class InstagramOAuthResponse
        {
            public string access_token { get; set; }
            public User user { get; set; }
        }

        public class User : System.Security.Principal.IIdentity
        {
            public string username { get; set; }
            public string website { get; set; }
            public string profile_picture { get; set; }
            public string full_name { get; set; }
            public string bio { get; set; }
            public string id { get; set; }

            public string OAuthToken { get; set; }

            public string AuthenticationType
            {
                get { return "Instagram"; }
            }

            public bool IsAuthenticated
            {
                get { return !string.IsNullOrEmpty(id); }
            }

            public string Name
            {
                get
                {
                    return String.IsNullOrEmpty(full_name) ? "unknown" : full_name;
                }
            }
        }
    }
}

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