POST /core/discourse/login

DiscourseController.cs

  [Route("core/discourse/login")]
  [HttpPost]
  [ValidateAntiForgeryToken]
  public ActionResult Login(string username, string password)
  {
      if (Users.PasswordMatch(username, password))
      {
          var user = Users.GetUser(username);

          var authLogin = new AuthenticatedLogin
          {
              AuthenticationMethod = "password",
              Name = user.GetClaim("name"),
              Subject = user.Subject,
              PersistentLogin = true
          };

          Request.GetOwinContext().Environment.IssueLoginCookie(authLogin);

          var sso = TempData["sso"] as string;
          TempData["sso"] = null;

          var redirectUrl = CreateDiscourseRedirectUrl(user, sso);
          return new RedirectResult(redirectUrl);
      }

      TempData["error"] = "Wrong username or password";
      return View("Index");
  }