File Source for permissions.inc.php

<?php
/**
* @author Matthias Reuter ($LastChangedBy: matthias $)
* @version $LastChangedDate: 2008-10-31 15:33:34 +0000 (Fr, 31 Okt 2008) $
* @package permissions
* @copyright 2007-2010 IPBWI development team
* @link http://ipbwi.com
* @since 2.0
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public License
*/
class ipbwi_permissions extends ipbwi {
private $ipbwi = null;
/**
* @desc Loads and checks different vars when class is initiating
* @author Matthias Reuter
* @since 2.0
* @ignore
*/
public function __construct($ipbwi){
// loads common classes
$this->ipbwi = $ipbwi;
}
/**
* @desc Finds out if a user has permission to do something...
* @param string $perm the permission to be worked out
* @param int $user the user to have permissions checked. If left blank, currently logged in user used.
* @return bool true if user has perm, otherwise false
* @author Matthias Reuter
* @sample
* <code>
* $ipbwi->permissions->has('g_access_cp',55);
* </code>
* @since 2.0
*/
public function has($perm,$user=false){
if(substr($perm,0,2) != "g_"){
$this->ipbwi->addSystemMessage('Error',$this->ipbwi->getLibLang('badPermID'),'Located in file '.__FILE__.' at class '.__CLASS__.' in function '.__FUNCTION__.' on line #'.__LINE__.'');
return false;
}
$perm = preg_replace('#[^a-z_]#','',$perm);
$info = $this->ipbwi->member->info($user);
if(!is_array($info)){
$this->ipbwi->addSystemMessage('Error',$this->ipbwi->getLibLang('badMemID'),'Located in file '.__FILE__.' at class '.__CLASS__.' in function '.__FUNCTION__.' on line #'.__LINE__.'');
return false;
}
if($info[$perm]){
return true;
// Take a look at secondary groups
}elseif(isset($info['mgroup_others'])){
$info['mgroup_others'] = substr($info['mgroup_others'],1,strlen($info['mgroup_others'])-2);
if($info['mgroup_others'] != ''){
$this->ipbwi->ips_wrapper->DB->query('SELECT '.$perm.' FROM '.$this->ipbwi->board['sql_tbl_prefix'].'groups WHERE g_id IN('.$info['mgroup_others'].')');
while($row = $this->ipbwi->ips_wrapper->DB->fetch()){
if($row[$perm]){
return true;
}
}
}
}
return false;
}
/**
* @desc Attempts to sort out the weird permissions array.
* @param string $permArray the permission array to be sorted
* @return array sorted permissions
* @author Matthias Reuter
* @sample
* <code>
* $ipbwi->permissions->sort(array('show' => '*','read' => '*','start' => '*','reply' => '*','upload' => '*','download' => '*'));
* </code>
* @since 2.0
*/
public function sort($permArray){
$perms = unserialize(stripslashes($permArray));
$fr['read_perms'] = $perms['read_perms'];
$fr['reply_perms'] = $perms['reply_perms'];
$fr['start_perms'] = $perms['start_perms'];
$fr['upload_perms'] = $perms['upload_perms'];
$fr['show_perms'] = $perms['show_perms'];
return $fr;
}
/**
* @desc Returns the best perms a user has for something...
* @param string $perm the permission to be worked out
* @param int $user the user to have permissions checked. if left blank, currently logged in user used.
* @param bool $zero if true, zero is best
* @return array best permissions
* @author Matthias Reuter
* @sample
* <code>
* $ipbwi->permissions->best(array('g_max_messages');
* </code>
* @since 2.0
*/
public function best($perm,$user=false,$zero=true){
if(substr($perm,0,2) != 'g_'){
$this->ipbwi->addSystemMessage('Error',$this->ipbwi->getLibLang('badPermID'),'Located in file '.__FILE__.' at class '.__CLASS__.' in function '.__FUNCTION__.' on line #'.__LINE__.'');
return false;
}
$perm = preg_replace('#[^a-z_]#','',$perm);
$info = $this->ipbwi->member->info($user);
if(!is_array($info)){
$this->ipbwi->addSystemMessage('Error',$this->ipbwi->getLibLang('badMemID'),'Located in file '.__FILE__.' at class '.__CLASS__.' in function '.__FUNCTION__.' on line #'.__LINE__.'');
return false;
}
$init = $info[$perm];
if(intval($init) == 0 && $zero){
return 0;
}
// Take a look at secondary groups
$info['mgroup_others'] = substr($info['mgroup_others'],1,strlen($info['mgroup_others'])-2);
if($info['mgroup_others'] != ''){
$this->ipbwi->ips_wrapper->DB->query('SELECT '.$perm.' FROM '.$this->ipbwi->board['sql_tbl_prefix'].'groups WHERE g_id IN('.$info['mgroup_others'].')');
while($row = $this->ipbwi->ips_wrapper->DB->fetch()){
if($row[$perm] > $init){
$init = $row[$perm];
}
if(intval($init) == 0 && $zero){
return 0;
}
}
}
return $init;
}
}
?>

Source for file permissions.inc.php