protected void Page_Load()
{
// Process the result from an auth provider in the request
ProviderName = IdentityHelpers.GetProviderNameFromRequest(Request);
if (String.IsNullOrEmpty(ProviderName))
{
RedirectOnFail();
return;
}
if (!IsPostBack)
{
var manager = Context.GetOwinContext().GetUserManager <ApplicationUserManager>();
var signInManager = Context.GetOwinContext().Get <ApplicationSignInManager>();
var loginInfo = Context.GetOwinContext().Authentication.GetExternalLoginInfo();
if (loginInfo == null)
{
RedirectOnFail();
return;
}
var user = manager.Find(loginInfo.Login);
if (user != null)
{
signInManager.SignIn(user, isPersistent: false, rememberBrowser: false);
IdentityHelpers.RedirectToReturnUrl(Request.QueryString["ReturnUrl"], Response);
}
else if (User.Identity.IsAuthenticated)
{
// Apply Xsrf check when linking
var verifiedloginInfo = Context.GetOwinContext().Authentication.GetExternalLoginInfo(IdentityHelpers.XsrfKey, User.Identity.GetUserId());
if (verifiedloginInfo == null)
{
RedirectOnFail();
return;
}
var result = manager.AddLogin(User.Identity.GetUserId(), verifiedloginInfo.Login);
if (result.Succeeded)
{
IdentityHelpers.RedirectToReturnUrl(Request.QueryString["ReturnUrl"], Response);
}
else
{
AddErrors(result);
return;
}
}
else
{
email.Text = loginInfo.Email;
}
}
}
