src/Module/Login.php

   1 <?php\r
   2 \r
   3 namespace Friendica\Module;\r
   4 \r
   5 use Friendica\BaseModule;\r
   6 use Friendica\Core\Config;\r
   7 use Friendica\Database\DBM;\r
   8 use Friendica\Model\User;\r
   9 use dba;\r
  10 \r
  11 require_once 'boot.php';\r
  12 require_once 'include/datetime.php';\r
  13 require_once 'include/pgettext.php';\r
  14 require_once 'include/security.php';\r
  15 require_once 'include/text.php';\r
  16 \r
  17 /**\r
  18  * Login module\r
  19  *\r
  20  * @author Hypolite Petovan mrpetovan@gmail.com\r
  21  */\r
  22 class Login extends BaseModule\r
  23 {\r
  24         public static function content()\r
  25         {\r
  26                 $a = self::getApp();\r
  27 \r
  28                 if (x($_SESSION, 'theme')) {\r
  29                         unset($_SESSION['theme']);\r
  30                 }\r
  31 \r
  32                 if (x($_SESSION, 'mobile-theme')) {\r
  33                         unset($_SESSION['mobile-theme']);\r
  34                 }\r
  35 \r
  36                 if (local_user()) {\r
  37                         goaway(self::getApp()->get_baseurl());\r
  38                 }\r
  39 \r
  40                 return self::form(self::getApp()->get_baseurl(), $a->config['register_policy'] != REGISTER_CLOSED);\r
  41         }\r
  42 \r
  43         public static function post()\r
  44         {\r
  45                 session_unset();\r
  46                 // OpenId Login\r
  47                 if (\r
  48                         !x($_POST, 'password')\r
  49                         && (\r
  50                                 x($_POST, 'openid_url')\r
  51                                 || x($_POST, 'username')\r
  52                         )\r
  53                 ) {\r
  54                         $noid = Config::get('system', 'no_openid');\r
  55 \r
  56                         $openid_url = trim($_POST['openid_url'] ? : $_POST['username']);\r
  57 \r
  58                         // if it's an email address or doesn't resolve to a URL, fail.\r
  59                         if ($noid || strpos($openid_url, '@') || !validate_url($openid_url)) {\r
  60                                 notice(t('Login failed.') . EOL);\r
  61                                 goaway(self::getApp()->get_baseurl());\r
  62                                 // NOTREACHED\r
  63                         }\r
  64 \r
  65                         // Otherwise it's probably an openid.\r
  66                         try {\r
  67                                 require_once 'library/openid.php';\r
  68                                 $openid = new LightOpenID;\r
  69                                 $openid->identity = $openid_url;\r
  70                                 $_SESSION['openid'] = $openid_url;\r
  71                                 $_SESSION['remember'] = $_POST['remember'];\r
  72                                 $openid->returnUrl = self::getApp()->get_baseurl(true) . '/openid';\r
  73                                 goaway($openid->authUrl());\r
  74                         } catch (Exception $e) {\r
  75                                 notice(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . '<br /><br >' . t('The error message was:') . ' ' . $e->getMessage());\r
  76                         }\r
  77                         // NOTREACHED\r
  78                 }\r
  79 \r
  80                 if (x($_POST, 'auth-params') && $_POST['auth-params'] === 'login') {\r
  81                         $record = null;\r
  82 \r
  83                         $addon_auth = array(\r
  84                                 'username' => trim($_POST['username']),\r
  85                                 'password' => trim($_POST['password']),\r
  86                                 'authenticated' => 0,\r
  87                                 'user_record' => null\r
  88                         );\r
  89 \r
  90                         /*\r
  91                          * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record\r
  92                          * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained\r
  93                          * and later plugins should not interfere with an earlier one that succeeded.\r
  94                          */\r
  95                         call_hooks('authenticate', $addon_auth);\r
  96 \r
  97                         if ($addon_auth['authenticated'] && count($addon_auth['user_record'])) {\r
  98                                 $record = $addon_auth['user_record'];\r
  99                         } else {\r
 100                                 $user_id = User::authenticate(trim($_POST['username']), trim($_POST['password']));\r
 101                                 if ($user_id) {\r
 102                                         $record = dba::selectFirst('user', [], ['uid' => $user_id]);\r
 103                                 }\r
 104                         }\r
 105 \r
 106                         if (!$record || !count($record)) {\r
 107                                 logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);\r
 108                                 notice(t('Login failed.') . EOL);\r
 109                                 goaway(self::getApp()->get_baseurl());\r
 110                         }\r
 111 \r
 112                         if (!$_POST['remember']) {\r
 113                                 new_cookie(0); // 0 means delete on browser exit\r
 114                         }\r
 115 \r
 116                         // if we haven't failed up this point, log them in.\r
 117                         $_SESSION['remember'] = $_POST['remember'];\r
 118                         $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');\r
 119                         authenticate_success($record, true, true);\r
 120 \r
 121                         if (x($_SESSION, 'return_url')) {\r
 122                                 $return_url = $_SESSION['return_url'];\r
 123                                 unset($_SESSION['return_url']);\r
 124                         } else {\r
 125                                 $return_url = '';\r
 126                         }\r
 127 \r
 128                         goaway($return_url);\r
 129                 }\r
 130         }\r
 131 \r
 132         /**\r
 133          * @brief Tries to auth the user from the cookie or session\r
 134          *\r
 135          * @todo Should be moved to Friendica\Core\Session when it's created\r
 136          */\r
 137         public static function sessionAuth()\r
 138         {\r
 139                 // When the "Friendica" cookie is set, take the value to authenticate and renew the cookie.\r
 140                 if (isset($_COOKIE["Friendica"])) {\r
 141                         $data = json_decode($_COOKIE["Friendica"]);\r
 142                         if (isset($data->uid)) {\r
 143 \r
 144                                 $user = dba::selectFirst('user', [],\r
 145                                         [\r
 146                                                 'uid'             => $data->uid,\r
 147                                                 'blocked'         => false,\r
 148                                                 'account_expired' => false,\r
 149                                                 'account_removed' => false,\r
 150                                                 'verified'        => true,\r
 151                                         ]\r
 152                                 );\r
 153                                 if (DBM::is_result($user)) {\r
 154                                         if ($data->hash != cookie_hash($user)) {\r
 155                                                 logger("Hash for user " . $data->uid . " doesn't fit.");\r
 156                                                 nuke_session();\r
 157                                                 goaway(self::getApp()->get_baseurl());\r
 158                                         }\r
 159 \r
 160                                         // Renew the cookie\r
 161                                         // Expires after 7 days by default,\r
 162                                         // can be set via system.auth_cookie_lifetime\r
 163                                         $authcookiedays = Config::get('system', 'auth_cookie_lifetime', 7);\r
 164                                         new_cookie($authcookiedays * 24 * 60 * 60, $user);\r
 165 \r
 166                                         // Do the authentification if not done by now\r
 167                                         if (!isset($_SESSION) || !isset($_SESSION['authenticated'])) {\r
 168                                                 authenticate_success($user);\r
 169 \r
 170                                                 if (Config::get('system', 'paranoia')) {\r
 171                                                         $_SESSION['addr'] = $data->ip;\r
 172                                                 }\r
 173                                         }\r
 174                                 }\r
 175                         }\r
 176                 }\r
 177 \r
 178                 if (isset($_SESSION) && x($_SESSION, 'authenticated')) {\r
 179                         if (x($_SESSION, 'visitor_id') && !x($_SESSION, 'uid')) {\r
 180                                 $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",\r
 181                                         intval($_SESSION['visitor_id'])\r
 182                                 );\r
 183                                 if (DBM::is_result($r)) {\r
 184                                         $a = self::getApp();\r
 185                                         $a->contact = $r[0];\r
 186                                 }\r
 187                         }\r
 188 \r
 189                         if (x($_SESSION, 'uid')) {\r
 190                                 // already logged in user returning\r
 191                                 $check = Config::get('system', 'paranoia');\r
 192                                 // extra paranoia - if the IP changed, log them out\r
 193                                 if ($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {\r
 194                                         logger('Session address changed. Paranoid setting in effect, blocking session. ' .\r
 195                                                 $_SESSION['addr'] . ' != ' . $_SERVER['REMOTE_ADDR']);\r
 196                                         nuke_session();\r
 197                                         goaway(self::getApp()->get_baseurl());\r
 198                                 }\r
 199 \r
 200                                 $user = dba::selectFirst('user', [],\r
 201                                         [\r
 202                                                 'uid'             => $_SESSION['uid'],\r
 203                                                 'blocked'         => false,\r
 204                                                 'account_expired' => false,\r
 205                                                 'account_removed' => false,\r
 206                                                 'verified'        => true,\r
 207                                         ]\r
 208                                 );\r
 209                                 if (!DBM::is_result($user)) {\r
 210                                         nuke_session();\r
 211                                         goaway(self::getApp()->get_baseurl());\r
 212                                 }\r
 213 \r
 214                                 // Make sure to refresh the last login time for the user if the user\r
 215                                 // stays logged in for a long time, e.g. with "Remember Me"\r
 216                                 $login_refresh = false;\r
 217                                 if (!x($_SESSION['last_login_date'])) {\r
 218                                         $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');\r
 219                                 }\r
 220                                 if (strcmp(datetime_convert('UTC', 'UTC', 'now - 12 hours'), $_SESSION['last_login_date']) > 0) {\r
 221                                         $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');\r
 222                                         $login_refresh = true;\r
 223                                 }\r
 224                                 authenticate_success($user, false, false, $login_refresh);\r
 225                         }\r
 226                 }\r
 227         }\r
 228 \r
 229         /**\r
 230          * @brief Wrapper for adding a login box.\r
 231          *\r
 232          * @param string $return_url The url relative to the base the user should be sent\r
 233          *                                                       back to after login completes\r
 234          * @param bool $register If $register == true provide a registration link.\r
 235          *                                               This will most always depend on the value of $a->config['register_policy'].\r
 236          * @param array $hiddens  optional\r
 237          *\r
 238          * @return string Returns the complete html for inserting into the page\r
 239          *\r
 240          * @hooks 'login_hook' string $o\r
 241          */\r
 242         public static function form($return_url = null, $register = false, $hiddens = [])\r
 243         {\r
 244                 $a = self::getApp();\r
 245                 $o = '';\r
 246                 $reg = false;\r
 247                 if ($register) {\r
 248                         $reg = array(\r
 249                                 'title' => t('Create a New Account'),\r
 250                                 'desc' => t('Register')\r
 251                         );\r
 252                 }\r
 253 \r
 254                 $noid = Config::get('system', 'no_openid');\r
 255 \r
 256                 if (is_null($return_url)) {\r
 257                         $return_url = $a->query_string;\r
 258                 }\r
 259 \r
 260                 if (local_user()) {\r
 261                         $tpl = get_markup_template('logout.tpl');\r
 262                 } else {\r
 263                         $a->page['htmlhead'] .= replace_macros(\r
 264                                 get_markup_template('login_head.tpl'),\r
 265                                 [\r
 266                                         '$baseurl' => $a->get_baseurl(true)\r
 267                                 ]\r
 268                         );\r
 269 \r
 270                         $tpl = get_markup_template('login.tpl');\r
 271                         $_SESSION['return_url'] = $return_url;\r
 272                 }\r
 273 \r
 274                 $o .= replace_macros(\r
 275                         $tpl,\r
 276                         [\r
 277                                 '$dest_url'     => self::getApp()->get_baseurl(true) . '/login',\r
 278                                 '$logout'       => t('Logout'),\r
 279                                 '$login'        => t('Login'),\r
 280 \r
 281                                 '$lname'        => array('username', t('Nickname or Email: ') , '', ''),\r
 282                                 '$lpassword'    => array('password', t('Password: '), '', ''),\r
 283                                 '$lremember'    => array('remember', t('Remember me'), 0,  ''),\r
 284 \r
 285                                 '$openid'       => !$noid,\r
 286                                 '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),\r
 287 \r
 288                                 '$hiddens'      => $hiddens,\r
 289 \r
 290                                 '$register'     => $reg,\r
 291 \r
 292                                 '$lostpass'     => t('Forgot your password?'),\r
 293                                 '$lostlink'     => t('Password Reset'),\r
 294 \r
 295                                 '$tostitle'     => t('Website Terms of Service'),\r
 296                                 '$toslink'      => t('terms of service'),\r
 297 \r
 298                                 '$privacytitle' => t('Website Privacy Policy'),\r
 299                                 '$privacylink'  => t('privacy policy'),\r
 300                         ]\r
 301                 );\r
 302 \r
 303                 call_hooks('login_hook', $o);\r
 304 \r
 305                 return $o;\r
 306         }\r
 307 }\r