<?php
namespace Jackbooted\Security;
use \Jackbooted\Admin\Admin;
use \Jackbooted\Config\Cfg;
use \Jackbooted\DB\DB;
use \Jackbooted\DB\DBTable;
use \Jackbooted\Forms\Request;
use \Jackbooted\G;
use \Jackbooted\Html\WebPage;
use \Jackbooted\Util\Log4PHP;
/**
* @copyright Confidential and copyright (c) 2016 Jackbooted Software. All rights reserved.
*
* Written by Brett Dutton of Jackbooted Software
* brett at brettdutton dot com
*
* This software is written and distributed under the GNU General Public
* License which means that its source code is freely-distributed and
* available to the general public.
*/
class Privileges extends \Jackbooted\Util\JB {
private static $cache = [];
private static $log;
private static $securityLevels = null;
public static function init ( ) {
self::$log = new Log4PHP ( __CLASS__ );
}
public static function access ( $action=null ) {
if ( ! Cfg::get ( 'check_priviliages' ) ) return true;
if ( $action == null ) $action = Request::get ( WebPage::ACTION );
if ( isset ( self::$cache[$action] ) ) return self::$cache[$action];
if ( ( $priviliagesIDs = self::getPriviliageIDs ( $action ) ) === false ) {
self::$log->warn ( 'No priviliages found for action: ' . $action );
return self::$cache[$action] = true;
}
$uid = G::get ( 'fldUserID', '0' );
$groupIDs = self::getGroupIDs ( $uid );
$params = [];
$privIdIn = DB::in ( $priviliagesIDs, $params );
$params[] = $uid;
$params[] = (int)G::get ( 'fldLevel', 7 );
$groupIn = DB::in ( $groupIDs, $params );
$now = time();
$sql = <<<SQL
SELECT count(*) FROM tblSecPrivUserMap
WHERE fldPrivilegeID IN ( $privIdIn )
AND ( fldStartDate=0 OR fldStartDate < $now )
AND ( fldEndDate=0 OR fldEndDate > $now )
AND ( ( fldUserID IS NOT NULL AND fldUserID<>'' AND fldUserID=? ) OR
( fldLevelID IS NOT NULL AND fldLevelID<>'' AND fldLevelID>=? ) OR
fldGroupID IN ( $groupIn ) )
SQL;
if ( DB::oneValue ( DB::DEF, $sql, $params ) > 0 ) {
return self::$cache[$action] = true;
}
return self::canLogin ( $priviliagesIDs );
}
private static function canLogin ( $priviliagesIDs ) {
$privIdIn = DB::in ( $priviliagesIDs );
$now = time();
$sql = <<<SQL
SELECT fldLoginAction FROM tblSecPrivUserMap
WHERE fldPrivilegeID IN ( $privIdIn )
AND ( fldStartDate=0 OR fldStartDate < $now )
AND ( fldEndDate=0 OR fldEndDate > $now )
AND fldLevelID IS NOT NULL
AND fldLevelID <> ''
AND fldLoginAction IS NOT NULL
AND fldLoginAction <> ''
SQL;
return DB::oneValue ( DB::DEF, $sql, $priviliagesIDs );
}
private static function getGroupIDs ( $uid ) {
$qry = 'SELECT fldGroupID FROM tblUserGroupMap WHERE fldUserID=?';
$groups = DBTable::factory ( DB::DEF, $qry, $uid, DB::FETCH_NUM )->getColumn ( 0 );
$groups[] = DB::oneValue ( DB::DEF, 'SELECT fldGroupID FROM tblGroup LIMIT 1' );
return $groups;
}
private static function getPriviliageIDs ( $action ) {
$sql = 'SELECT fldSecPrivilegesID FROM tblSecPrivileges WHERE ? LIKE fldAction';
$tab = new DBTable ( DB::DEF, $sql, $action, DB::FETCH_NUM );
if ( $tab->isEmpty () ) return false;
return $tab->getColumn ( 0 );
}
public static function getSecurityLevel ( $level ) {
if ( self::$securityLevels == null ) {
$tab = new DBTable ( DB::DEF, Admin::LEVEL_SQL, null, DB::FETCH_NUM );
$valCol = $tab->getColumn ( 0 );
$namCol = $tab->getColumn ( 1 );
self::$securityLevels = array_merge ( array_combine ( $valCol, $namCol ),
array_combine ( $namCol, $valCol ) );
}
return self::$securityLevels[$level];
}
}
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