plugins/administrator/auth.php

   1 <?php
   2 /**
   3  * Administrator plugin - Authentication routines
   4  *
   5  * This function tell other modules what users have access
   6  * to the plugin.
   7  *
   8  * @version $Id$
   9  * @author Philippe Mingo
  10  * @copyright (c) 1999-2005 The SquirrelMail Project Team
  11  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  12  * @package plugins
  13  * @subpackage administrator
  14  */
  15
  16 /**
  17  * Check if user has access to administrative functions
  18  *
  19  * @return boolean
  20  */
  21 function adm_check_user() {
  22     global $PHP_SELF;
  23     require_once(SM_PATH . 'functions/global.php');
  24
  25     if ( !sqgetGlobalVar('username',$username,SQ_SESSION) ) {
  26         $username = '';
  27     }
  28
  29     /* This needs to be first, for all non_options pages */
  30     if (strpos('options.php', $PHP_SELF)) {
  31         $auth = FALSE;
  32     } else if (file_exists(SM_PATH . 'plugins/administrator/admins')) {
  33         $auths = file(SM_PATH . 'plugins/administrator/admins');
  34         array_walk($auths, 'adm_array_trim');
  35         $auth = in_array($username, $auths);
  36     } else if (file_exists(SM_PATH . 'config/admins')) {
  37         $auths = file(SM_PATH . 'config/admins');
  38         array_walk($auths, 'adm_array_trim');
  39         $auth = in_array($username, $auths);
  40     } else if (($adm_id = fileowner(SM_PATH . 'config/config.php')) &&
  41                function_exists('posix_getpwuid')) {
  42         $adm = posix_getpwuid( $adm_id );
  43         $auth = ($username == $adm['name']);
  44     } else {
  45         $auth = FALSE;
  46     }
  47
  48     return ($auth);
  49 }
  50
  51 /**
  52  * Removes whitespace from array values
  53  * @param string $value array value that has to be trimmed
  54  * @param string $key array key
  55  * @since 1.5.1 and 1.4.5
  56  * @access private
  57  */
  58 function adm_array_trim(&$value,$key) {
  59     $value=trim($value);
  60 }
  61 ?>