public async Task<ActionResult> Login(LoginViewModel model, string returnUrl)
{
if (!ModelState.IsValid)
{
return View(model);
}
// This doesn't count login failures towards account lockout
// To enable password failures to trigger account lockout, change to shouldLockout: true
var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, shouldLockout: false);
switch (result)
{
case SignInStatus.Success:
Token token = this.data.Tokens
.All()
.Where(t => t.UserName == model.Email)
.FirstOrDefault();
if(token == null)
{
var newToken = this.GetNewToken(model);
this.data.Tokens.Add(newToken);
this.data.SaveChanges();
}
else if (this.IsAccessTokenExpired(token))
{
token = this.GetNewToken(model);
token.ExpireDate = DateTime.Now.AddSeconds(token.ExpiresIn);
this.data.Tokens.Update(token);
this.data.SaveChanges();
}
return RedirectToLocal(returnUrl);
case SignInStatus.LockedOut:
return View("Lockout");
case SignInStatus.RequiresVerification:
return RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = model.RememberMe });
case SignInStatus.Failure:
default:
ModelState.AddModelError("", "Invalid login attempt.");
return View(model);
}
}
private Token GetNewToken(LoginViewModel model)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(GlobalConstants.ServerUri + "/Token");
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
string postData = "username="******"&password="******"&grant_type=password";
request.ContentLength = postData.Length;
var streamWriter = new StreamWriter(request.GetRequestStream());
streamWriter.Write(postData);
streamWriter.Close();
var response = request.GetResponse();
var responseBody = new StreamReader(response.GetResponseStream()).ReadToEnd();
Dictionary<string, object> tokenItems = new JavaScriptSerializer().Deserialize<Dictionary<string, object>>(responseBody);
Token token = new Token();
token.AccessToken = tokenItems["access_token"].ToString();
token.Type = tokenItems["token_type"].ToString();
token.UserName = tokenItems["userName"].ToString();
token.ExpiresIn = (int)tokenItems["expires_in"];
token.ExpireDate = DateTime.Now.AddSeconds(token.ExpiresIn);
token.Expires = tokenItems[".expires"].ToString();
token.Issued = tokenItems[".issued"].ToString();
return token;
}
