public async Task <ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return(RedirectToAction("Login"));
}
// Sign in the user with this external login provider if the user already has a login
LoginExternalResponse response = await this.Membership.LoginExternalAsync(new LoginExternalRequest()
{
LoginProvider = loginInfo.Login.LoginProvider,
ProviderKey = loginInfo.Login.ProviderKey,
});
if (response.Success)
{
ClaimsIdentity identity = response.ClaimIdentity.ConvertToClaimsIdentity();
SignInAsync(identity, IsPersistent: false);
return(RedirectToLocal(returnUrl));
}
else
{
// 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 ExternalLoginConfirmationViewModel {
UserName = loginInfo.DefaultUserName
}));
}
}
/// <summary>
/// Login User by external provider and return ClaimsIdentity
/// </summary>
/// <param name="request">Instance of LoginExternalRequest</param>
/// <returns>Instance of LoginExternalResponse</returns>
public async Task <LoginExternalResponse> LoginExternalAsync(LoginExternalRequest request)
{
LoginExternalResponse response = new LoginExternalResponse();
try
{
string authType = EnumStringValue.GetStringValue(request.AuthenticationType);
AspNetUser user = await UserManager.FindAsync(new UserLoginInfo(request.LoginProvider, request.ProviderKey));
ClaimsIdentity identity = await UserManager.CreateIdentityAsync(user, authType);
response.ClaimIdentity = identity.ConvertToClaimIdentityView();
response.Success = true;
}
catch (Exception e)
{
response.Success = false;
response.Errors.Add(e.Message);
}
return(response);
}
/// <summary>
/// Login User by external provider and return ClaimsIdentity
/// </summary>
/// <param name="request">Instance of LoginExternalRequest</param>
/// <returns>Instance of LoginExternalResponse</returns>
public async Task<LoginExternalResponse> LoginExternalAsync(LoginExternalRequest request)
{
LoginExternalResponse response = new LoginExternalResponse();
try
{
string authType = EnumStringValue.GetStringValue(request.AuthenticationType);
AspNetUser user = await UserManager.FindAsync(new UserLoginInfo(request.LoginProvider, request.ProviderKey));
ClaimsIdentity identity = await UserManager.CreateIdentityAsync(user, authType);
response.ClaimIdentity = identity.ConvertToClaimIdentityView();
response.Success = true;
}
catch (Exception e)
{
response.Success = false;
response.Errors.Add(e.Message);
}
return response;
}