Owin OAuth提供商Twitter和Microsoft

我对以下行在twitter和microsoft中返回null存在问题：

var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();

这在帐户控制器中，如下所示：

[AllowAnonymous]
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
    var loginInfo = await 
    AuthenticationManager.GetExternalLoginInfoAsync();

    if (loginInfo == null)
    {
        return RedirectToAction("Login");
    }

    var result = await SignInManager.ExternalSignInAsync(loginInfo, false);
    switch (result)
    {
        case SignInStatus.Success:
            return RedirectToLocal(returnUrl);
        case SignInStatus.LockedOut:
            return View("Lockout");
        //case SignInStatus.RequiresVerification:
        //    return RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = false });
        case SignInStatus.Failure:
        default:
            // If the user does not have an account, then prompt the user to create an account
            ViewBag.ReturnUrl = returnUrl;
            ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
            return View("ExternalLoginConfirmation", new AccountExternalLoginConfirmationViewModel { Email = loginInfo.Email });
    }
}

有人建议在MicrosoftAccountAuthenticationOptions中包含Scope={“wl.basic”，“wl.emails”}。然而，这返回了一个错误的请求。关于如何通过twitter和microsoft登录解决此问题的任何想法

我为microsoft使用的URL是 重定向Url: 注销Url: 主页：

推特 网站： 回拨url:

我也尝试过在live上使用live URL，但在live上仍然是空的 var loginInfo=await AuthenticationManager.GetExternalLoginInfoAsync（）

试试这个：

  var options = new TwitterAuthenticationOptions
        {
            SignInAsAuthenticationType = signInAsType,
            ConsumerKey = "...",
            ConsumerSecret = "...",
            Provider = new TwitterAuthenticationProvider()
            {

                OnAuthenticated = async ctx =>
                {


 var manager = new OAuth.Manager(
                        "-your-twitter-access-token-",
                        "-your-twitter-access-token-secret-",
                        ctx.AccessToken,
                        ctx.AccessTokenSecret);
                    var url = "https://api.twitter.com/1.1/account/verify_credentials.json";
                    var authzHeader = manager.GenerateAuthzHeader(url, "GET");
                    var request = (HttpWebRequest)WebRequest.Create(url);
                    request.Method = "GET";
                    request.PreAuthenticate = true;
                    request.AllowWriteStreamBuffering = true;
                    request.Headers.Add("Authorization", authzHeader);
                    using (var response = (HttpWebResponse)request.GetResponse())
                    {
                        if (response.StatusCode != HttpStatusCode.OK)
                            throw new Exception("NOK");
                        var responseStream = response.GetResponseStream();

                        var reader = new System.IO.StreamReader(responseStream);
                        var res = reader.ReadToEnd();
                        Newtonsoft.Json.Linq.JObject data = (Newtonsoft.Json.Linq.JObject)JsonConvert.DeserializeObject(res);

                        var claims = new List<Claim>();

                        claims.Add(new Claim(Core.Constants.ClaimTypes.RawData, ctx.Identity.Claims.ToJsonString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.AccessToken, ctx.AccessToken));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.AccessTokenSecret, ctx.AccessTokenSecret));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Subject, ctx.UserId));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Name, data["name"].TokenString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Locale, GenerateLocale(data["lang"].TokenString())));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.ZoneInfo, GenerateZone(data["location"].TokenString(), data["time_zone"].TokenString())));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.WebSite, data["url"].TokenString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.ProfileUrl, "https://twitter.com/" + ctx.ScreenName));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Picture, data["profile_image_url"].TokenString()));

                        await PrepClaims(ctx.Identity, claims);

                    }
                }
            }

var options=新的TwitterAuthenticationOptions
{
SignInAsAuthenticationType=signInAsType，
ConsumerKey=“…”，
ConsumerCret=“…”，
Provider=新的TwitterAuthenticationProvider（）
{
OnAuthenticated=异步ctx=>
{
var manager=新的OAuth.manager(
“-您的twitter访问令牌-”，
“-您的twitter访问令牌密码-”，
ctx.AccessToken，
ctx.AccessTokenSecret）；
变量url=”https://api.twitter.com/1.1/account/verify_credentials.json";
var authzHeader=manager.GenerateAuthzHeader（url，“GET”）；
var request=（HttpWebRequest）WebRequest.Create（url）；
request.Method=“GET”；
request.PreAuthenticate=true；
request.AllowWriteStreamBuffering=true；
添加（“授权”，authzHeader）；
使用（var response=（HttpWebResponse）request.GetResponse（））
{
if（response.StatusCode！=HttpStatusCode.OK）
抛出新异常（“NOK”）；
var responseStream=response.GetResponseStream（）；
变量读取器=新系统.IO.StreamReader（responseStream）；
var res=reader.ReadToEnd（）；
Newtonsoft.Json.Linq.JObject数据=（Newtonsoft.Json.Linq.JObject）JsonConvert.DeserializeObject（res）；
var索赔=新列表（）；
添加（新声明（Core.Constants.ClaimTypes.RawData，ctx.Identity.claims.ToJsonString（））；
添加（新的声明（Core.Constants.ClaimTypes.AccessToken，ctx.AccessToken））；
添加（新声明（Core.Constants.ClaimTypes.AccessTokenSecret，ctx.AccessTokenSecret））；
添加（新声明（Core.Constants.ClaimTypes.Subject，ctx.UserId））；
添加（新声明（Core.Constants.ClaimTypes.Name，data[“Name”].TokenString（））；
添加（新声明（Core.Constants.ClaimTypes.Locale，generateScale（data[“lang”].TokenString（）））；
添加（新声明（Core.Constants.ClaimTypes.ZoneInfo，GenerateZone（数据[“位置”].TokenString（），数据[“时区”].TokenString（）））；
添加（新声明（Core.Constants.ClaimTypes.WebSite，data[“url”].TokenString（））；
添加（新声明（Core.Constants.ClaimTypes.ProfileUrl，）https://twitter.com/“+ctx.ScreenName”）；
添加（新声明（Core.Constants.ClaimTypes.Picture，data[“profile\u image\u url”].TokenString（））；
等待索赔（ctx.Identity，索赔）；
}
}
}

Hi，你找到解决这个问题的方法了吗？我也遇到了同样的问题，但我发现的方法都不管用。

  var options = new TwitterAuthenticationOptions
        {
            SignInAsAuthenticationType = signInAsType,
            ConsumerKey = "...",
            ConsumerSecret = "...",
            Provider = new TwitterAuthenticationProvider()
            {

                OnAuthenticated = async ctx =>
                {


 var manager = new OAuth.Manager(
                        "-your-twitter-access-token-",
                        "-your-twitter-access-token-secret-",
                        ctx.AccessToken,
                        ctx.AccessTokenSecret);
                    var url = "https://api.twitter.com/1.1/account/verify_credentials.json";
                    var authzHeader = manager.GenerateAuthzHeader(url, "GET");
                    var request = (HttpWebRequest)WebRequest.Create(url);
                    request.Method = "GET";
                    request.PreAuthenticate = true;
                    request.AllowWriteStreamBuffering = true;
                    request.Headers.Add("Authorization", authzHeader);
                    using (var response = (HttpWebResponse)request.GetResponse())
                    {
                        if (response.StatusCode != HttpStatusCode.OK)
                            throw new Exception("NOK");
                        var responseStream = response.GetResponseStream();

                        var reader = new System.IO.StreamReader(responseStream);
                        var res = reader.ReadToEnd();
                        Newtonsoft.Json.Linq.JObject data = (Newtonsoft.Json.Linq.JObject)JsonConvert.DeserializeObject(res);

                        var claims = new List<Claim>();

                        claims.Add(new Claim(Core.Constants.ClaimTypes.RawData, ctx.Identity.Claims.ToJsonString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.AccessToken, ctx.AccessToken));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.AccessTokenSecret, ctx.AccessTokenSecret));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Subject, ctx.UserId));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Name, data["name"].TokenString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Locale, GenerateLocale(data["lang"].TokenString())));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.ZoneInfo, GenerateZone(data["location"].TokenString(), data["time_zone"].TokenString())));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.WebSite, data["url"].TokenString()));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.ProfileUrl, "https://twitter.com/" + ctx.ScreenName));
                        claims.Add(new Claim(Core.Constants.ClaimTypes.Picture, data["profile_image_url"].TokenString()));

                        await PrepClaims(ctx.Identity, claims);

                    }
                }
            }