application/controllers/user.php

   1 <?php
   2
   3 /**
   4  * Class User controls video hierarchy and searching
   5  *
   6  * @category    Controller
   7  * @author              Călin-Andrei Burloiu
   8  */
   9 class User extends CI_Controller {
  10
  11         private $username = NULL;
  12         private $email = NULL;
  13         private $user_id = NULL;
  14         private $ldap_user_info = NULL;
  15
  16         public function __construct()
  17         {
  18                 parent::__construct();
  19
  20                 $this->lang->load('user');
  21         }
  22
  23         public function index()
  24         {
  25         }
  26
  27         /**
  28         * Login a user and then redirect it to the last page which must be encoded
  29         * in $redirect.
  30         *
  31         * @param string $redirect       contains the last page URI segments encoded
  32         * with helper url_encode_segments.
  33         */
  34         public function login($redirect = '')
  35         {
  36                 $this->load->library('form_validation');
  37                 $this->load->model('users_model');
  38
  39                 $this->form_validation->set_error_delimiters('<span class="error">',
  40                         '</span>');
  41
  42                 if ($this->form_validation->run('signin') === FALSE)
  43                 {
  44                         $params = array(        'title' =>
  45                                                                         $this->lang->line('ui_nav_menu_login')
  46                                                                                 .' &ndash; '
  47                                                                                 . $this->config->item('site_name'),
  48                                                                 //'metas' => array('description'=>'')
  49                         );
  50                         $this->load->library('html_head_params', $params);
  51
  52                         // **
  53                         // ** LOADING VIEWS
  54                         // **
  55                         $this->load->view('html_begin', $this->html_head_params);
  56                         $this->load->view('header', array('selected_menu' => 'login'));
  57
  58                         $this->load->view('user/login_view', array(
  59                                 'redirect'=> $redirect
  60                         ));
  61
  62                         $this->load->view('footer');
  63                         $this->load->view('html_end');
  64                 }
  65                 else
  66                 {
  67                         if ($this->user_id !== NULL)
  68                         {
  69                                 $this->session->set_userdata(array(
  70                                         'user_id'=> $this->user_id,
  71                                         'username'=> $this->username
  72                                 ));
  73
  74                                 // Redirect to last page before login.
  75                                 header('Location: '. site_url(urldecode_segments($redirect)));
  76                         }
  77                         else
  78                         {
  79                                 $this->session->set_userdata(array(
  80                                         'username'=> $this->username
  81                                 ));
  82
  83                                 // Redirect to register page because an user authenticates here
  84                                 // for the first time with LDAP.
  85                                 // TODO
  86                                 header('Location: '. site_url(urldecode_segments($redirect)));
  87                         }
  88                 }
  89         }
  90
  91         /**
  92          * Logout user and then redirect it to the last page which must be encoded
  93          * in $redirect.
  94          *
  95          * @param string $redirect      contains the last page URI segments encoded
  96          * with helper url_encode_segments.
  97          */
  98         public function logout($redirect = '')
  99         {
 100                 $this->session->unset_userdata('user_id');
 101                 $this->session->unset_userdata('username');
 102
 103                 header('Location: '. site_url(urldecode_segments($redirect)));
 104         }
 105
 106         public function register($redirect = '')
 107         {
 108                 $this->load->library('form_validation');
 109                 $this->load->model('users_model');
 110                 $this->load->helper('localization');
 111                 $this->load->helper('date');
 112
 113                 $this->form_validation->set_error_delimiters('<span class="error">',
 114                                         '</span>');
 115
 116                 if ($this->form_validation->run('register') === FALSE)
 117                 {
 118                         $params = array('title' =>
 119                                                                 $this->lang->line('ui_nav_menu_register')
 120                                                                         .' &ndash; '
 121                                                                         . $this->config->item('site_name'),
 122                                                         //'metas' => array('description'=>'')
 123                         );
 124                         $this->load->library('html_head_params', $params);
 125
 126                         // **
 127                         // ** LOADING VIEWS
 128                         // **
 129                         $this->load->view('html_begin', $this->html_head_params);
 130                         $this->load->view('header', array('selected_menu' => 'register'));
 131
 132                         $this->load->view('user/register_view', array(
 133                                 'redirect'=> $redirect
 134                         ));
 135
 136                         $this->load->view('footer');
 137                         $this->load->view('html_end');
 138                 }
 139                 else
 140                 {
 141                         if ($this->user_id !== NULL)
 142                         {
 143                                 $this->session->set_userdata(array(
 144                                                         'user_id'=> $this->user_id,
 145                                                         'username'=> $this->username
 146                                 ));
 147
 148                                 // Redirect to last page before login.
 149                                 header('Location: '. site_url(urldecode_segments($redirect)));
 150                         }
 151                         else
 152                         {
 153                                 $this->session->set_userdata(array(
 154                                                         'username'=> $this->username
 155                                 ));
 156
 157                                 // Redirect to register page because an user authenticates here
 158                                 // for the first time with LDAP.
 159                                 // TODO
 160                                 header('Location: '. site_url(urldecode_segments($redirect)));
 161                         }
 162                 }
 163         }
 164
 165         public function _valid_username($username)
 166         {
 167                 return (preg_match('/^[a-z0-9\._]+$/', $username) == 1);
 168         }
 169
 170         public function _valid_username_or_email($username)
 171         {
 172                 $this->load->helper('email');
 173
 174                 if (valid_email($username))
 175                         return TRUE;
 176                 else
 177                         return $this->_valid_username($username);
 178         }
 179
 180         public function _do_login($username, $field_password)
 181         {
 182                 $password = $this->input->post('password');
 183
 184                 $this->load->model('users_model');
 185                 $user = $this->users_model->login($username, $password);
 186
 187                 // Authentication failed
 188                 if ($user === FALSE)
 189                         return FALSE;
 190
 191                 // First authentication of a user with LDAP, i.e. the user does not
 192                 // have an user_id in `users` DB table yet.
 193                 if ($user['auth_src'] == 'ldap_first_time')
 194                 {
 195                         $this->ldap_user_info = $user;
 196                         $this->username = $user['uid'][0];
 197                         $this->email = $user['mail'][0];
 198                         return TRUE;
 199                 }
 200
 201                 // Authentication when the user has an user_id in the DB.
 202                 $this->username = $user['username'];
 203                 $this->email = $user['email'];
 204                 $this->user_id = $user['id'];
 205
 206                 return TRUE;
 207         }
 208 }
 209
 210 /* End of file user.php */
 211 /* Location: ./application/controllers/user.php */