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/*
 *  rhwebimport
 *
 *  Copyright (C) 2014-2015 Christian Pointner <equinox@helsinki.at>
 *  Copyright (C) 2015 Peter Grassberger <petertheone@gmail.at>
 *
 *  This file is part of rhwebimport.
 *
 *  rhwebimport is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  rhwebimport is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with rhwebimport. If not, see <http://www.gnu.org/licenses/>.
 */

var auth_username;
var auth_token;

function auth_loginSuccess(data) {
   if (data.status == 'OK') {
     auth_username = data.username;
     sessionStorage.setItem("auth_username", auth_username);

     auth_token = data.token;
     sessionStorage.setItem("auth_token", auth_token);

     apps_select(apps_current);

     $('#username-field').html(auth_username);
     $('#loginbox').slideUp();
     $('#mainwindow').fadeIn();
   } else {
     alertbox.error('loginbox', "Fehler beim Login", data.errorstring);
     auth_cleanup();
   }
}

function auth_loginError(req, status, error) {
   message = req.status + ': ' + error;
   if(req.status == 401) {
     message = "Benutzer und/oder Passwort sind falsch!";
   }
   alertbox.error('loginbox', "Fehler beim Login", message);
   $("#password").val('');
}

function auth_login() {
  $.ajax("/rh-bin/authtoken.json",
          { cache: false,
            username: $("#username").val(),
            password: $("#password").val(),
            dataType: "json",
            error: auth_loginError,
            success: auth_loginSuccess
          });
}

function auth_logout() {
  auth_cleanup();
  apps_cleanup();

  $(".alert").alert('close');
  $("#username").val('');
  $("#password").val('');
  $("#mainwindow").fadeOut();
  $('#username-field').html('');
  $('#loginbox').slideDown();
}

function auth_init() {
  auth_username = sessionStorage.getItem("auth_username");
  auth_token = sessionStorage.getItem("auth_token");

  if(auth_token && auth_username) {
    $("#loginbox").hide();
    $('#username-field').html(auth_username);
  } else {
    $("#mainwindow").hide();
  }
  $("#loginform").submit(function(event) { auth_login(); event.preventDefault(); });
}

function auth_cleanup() {
  sessionStorage.removeItem("auth_username");
  delete auth_username;
  $("#username").val('').focus();

  sessionStorage.removeItem("auth_token");
  delete auth_token;
  $("#password").val('');
}