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modules_helper.php
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Mon, Sep 29, 11:51 PM

modules_helper.php
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<?php
/**
* @version $Id: modules_helper.php 16513 2017-01-20 14:10:53Z alex $
* @package In-Portal
* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
* @license GNU/GPL
* In-Portal is Open Source software.
* This means that this software may have been modified pursuant
* the GNU General Public License, and as distributed it includes
* or is derivative of works licensed under the GNU General Public License
* or other free or open source software licenses.
* See http://www.in-portal.org/license for copyright notices and details.
*/
defined('FULL_PATH') or die('restricted access!');
class kModulesHelper extends kHelper {
/**
* Identifies new module, that isn't installed yet
*/
const NOT_INSTALLED = 1;
/**
* Identifies installed module
*/
const INSTALLED = 2;
/**
* Identifies both installed & new modules
*/
const ANY = 3;
function getWhereClause()
{
$where_clause = Array('Loaded = 1');
if (!$this->Application->isAdmin) {
// no license checks on front-end
return implode(' AND ', $where_clause);
}
$modules = $this->_GetModules();
if ($modules) {
foreach ($modules as $module_index => $module) {
$modules[$module_index] = $this->Conn->qstr($module);
}
$where_clause[] = 'Name IN ('.implode(',', $modules).')';
}
return implode(' AND ', $where_clause);
}
function _EnableCookieSID()
{
/** @var Session $session */
$session = $this->Application->recallObject('Session');
return $session->CookiesEnabled;
}
function _IsSpider($UserAgent)
{
global $robots;
$lines = file(FULL_PATH.'/robots_list.txt');
if (!is_array($robots)) {
$robots = Array();
for($i = 0; $i < count($lines); $i++) {
$l = $lines[$i];
$p = explode("\t", $l, 3);
$robots[] = $p[2];
}
}
return in_array($UserAgent, $robots);
}
function _MatchIp($ip1, $ip2)
{
$matched = TRUE;
$ip = explode('.', $ip1);
$MatchIp = explode('.', $ip2);
for ($i = 0; $i < count($ip); $i++) {
if($i == count($MatchIp)) break;
if (trim($ip[$i]) != trim($MatchIp[$i]) || trim($ip[$i]) == '*') {
$matched = FALSE;
break;
}
}
return $matched;
}
function _IpAccess($IpAddress, $AllowList, $DenyList)
{
$allowed = explode(',', $AllowList);
$denied = explode(',', $DenyList);
$MatchAllowed = FALSE;
for ($x = 0; $x < count($allowed); $x++) {
$ip = explode('.', $allowed[$x]);
$MatchAllowed = $this->_MatchIp($IpAddress, $allowed[$x]);
if ($MatchAllowed)
break;
}
$MatchDenied = FALSE;
for ($x = 0; $x < count($denied); $x++) {
$ip = explode('.', $denied[$x]);
$MatchDenied = $this->_MatchIp($IpAddress, $denied[$x]);
if ($MatchDenied)
break;
}
$Result = (($MatchAllowed && !$MatchDenied) || (!$MatchAllowed && !$MatchDenied) ||
($MatchAllowed && $MatchDenied));
return $Result;
}
/**
* Leaves only domain part from hostname (e.g. extract "intechnic.lv" from "test.intechnic.lv")
* Used for admin login license check
*
* @param string $d
* @return string
*/
function _StripDomainHost($d)
{
$IsIp = false;
$dotcount = substr_count($d, '.');
if ($dotcount == 3) {
$IsIp = true;
for ($x = 0; $x < strlen($d); $x++) {
if (!is_numeric(substr($d, $x, 1)) && substr($d, $x, 1) != '.')
{
$IsIp = false;
break;
}
}
}
if ($dotcount > 1 && !$IsIp) {
$p = explode('.', $d);
$ret = $p[count($p) - 2].'.'.$p[count($p) - 1];
}
else {
$ret = $d;
}
return $ret;
}
/**
* When logging into admin then check only last 2 parts of host name VS domain in license
*
* @param string $user_domain
* @param string $license_domain
* @return int
*/
function _CheckDomain($user_domain, $license_domain)
{
if ($this->Application->isAdmin) {
$user_domain = $this->_StripDomainHost($user_domain);
return preg_match('/(.*)'.preg_quote($user_domain, '/').'$/', $license_domain);
}
else {
return preg_match('/(.*)'.preg_quote($license_domain, '/').'$/', $user_domain);
}
}
/**
* Returns modules list, that are in license
*
* @return Array
*/
function _GetModules()
{
static $modules = null;
if (isset($modules)) {
return $modules;
}
$modules = Array();
$system_config = kUtil::getSystemConfig();
$license = $system_config->get('License') ? base64_decode($system_config->get('License')) : false;
if ($license) {
list ( , , $i_Keys) = $this->_ParseLicense($license);
$domain = $this->_GetDomain($system_config);
if (!$this->_IsLocalSite($domain)) {
for ($x = 0; $x < count($i_Keys); $x++) {
$key = $i_Keys[$x];
if ($this->_CheckDomain($domain, $key['domain'])) {
// used hostname is subdomain or matches domain from license
$modules = explode(',', $key['mod']);
}
}
}
else {
// all already installed modules are licensed for localhost
$modules = array_keys($this->Application->ModuleInfo);
}
}
// all modules starting from "in-" doesn't require license
$base_modules = Array ('Core', 'In-Portal', 'Custom');
$modules = array_merge($modules, $base_modules, $this->_getFreeModules($system_config));
$modules = array_unique( array_map('strtolower', $modules) );
return $modules;
}
/**
* Get all modules, that don't require licensing
*
* @param kSystemConfig $system_config
* @return Array
* @access protected
*/
protected function _getFreeModules(kSystemConfig $system_config)
{
return array_map('strtolower', $this->getModules());
}
/**
* Allows to determine if module is licensed
*
* @param string $name
* @return bool
*/
function _ModuleLicensed($name)
{
$modules = $this->_GetModules();
return in_array($name, $modules);
}
/**
* Returns domain from licences (and direct in case of install script)
*
* @param kSystemConfig $system_config
* @return string
*/
function _GetDomain(kSystemConfig $system_config)
{
return $system_config->get('Domain', SERVER_NAME);
}
function _keyED($txt, $encrypt_key)
{
$encrypt_key = md5($encrypt_key);
$ctr = 0;
$tmp = '';
for ($i = 0; $i < strlen($txt); $i++) {
if ($ctr == strlen($encrypt_key)) $ctr = 0;
$tmp .= substr($txt, $i, 1) ^ substr($encrypt_key, $ctr, 1);
$ctr++;
}
return $tmp;
}
function _decrypt($txt, $key)
{
$txt = $this->_keyED($txt,$key);
$tmp = '';
for ($i = 0; $i < strlen($txt); $i++) {
$md5 = substr($txt, $i, 1);
$i++;
$tmp .= (substr($txt, $i, 1) ^ $md5);
}
return $tmp;
}
function LoadFromRemote()
{
return '';
}
function DLid()
{
die($GLOBALS['lid']."\n");
}
function _LoadLicense($LoadRemote = false)
{
$f = FULL_PATH.'/intechnic.php';
if ($this->_falseIsLocalSite($f)) $ret = true;
if (file_exists($f)) {
$contents = file($f);
$data = base64_decode($contents[1]);
}
else {
if ($LoadRemote) return $LoadFromRemote;
}
return $data;
}
function _VerifyKey($domain, $k)
{
$key = md5($domain);
$lkey = substr($key, 0, strlen($key) / 2);
$rkey = substr($key, strlen($key) / 2);
$r = $rkey.$lkey;
if ($k == $r) return true;
return false;
}
function _ParseLicense($txt)
{
// global $i_User, $i_Pswd, $i_Keys;
if (!$this->_falseIsLocalSite($txt)) {
$nah = false;
}
$data = $this->_decrypt($txt, 'beagle');
$i_User = $i_Pswd = '';
$i_Keys = Array();
$lines = explode("\n", $data);
for ($x = 0; $x < count($lines); $x++) {
$l = $lines[$x];
$p = explode('=', $l, 2);
switch($p[0]) {
case 'Username':
$i_User = $p[1];
break;
case 'UserPass':
$i_Pswd = $p[1];
break;
default:
if (substr($p[0], 0, 3) == 'key') {
$parts = explode('|', $p[1]);
if ($this->_VerifyKey($parts[0], $parts[1])) {
unset($K);
$k['domain'] = $parts[0];
$k['key'] = $parts[1];
$k['desc'] = $parts[2];
$k['mod'] = $parts[3];
$i_Keys[] = $k;
}
}
break;
}
}
return Array ($i_User, $i_Pswd, $i_Keys);
}
function _GetObscureValue($i)
{
if ($i == 'x') return 0254; $z = '';
if ($i == 'z') return 0x7F.'.';
if ($i == 'c') return '--code--';
if ($i >= 5 && $i < 7) return $this->_GetObscureValue($z)*$this->_GetObscureValue('e');
if ($i > 30) return Array(0x6c,0x6f,0x63,0x61,0x6c,0x68,0x6f,0x73,0x74);
if ($i > 20) return 99;
if ($i > 10) return '.'.($this->_GetObscureValue(6.5)+1);
if ($i == 'a') return 0xa;
return 0;
}
function _Chr($val)
{
$x = $this->_GetObscureValue(25);
$f = chr($x).chr($x+5).chr($x+15);
return $f($val);
}
function _IsLocalSite($domain)
{
$ee = $this->_GetObscureValue(35); $yy = '';
foreach ($ee as $e) $yy .= $this->_Chr($e);
$localb = FALSE;
if(substr($domain,0,3)==$this->_GetObscureValue('x'))
{
$b = substr($domain,0,6);
$p = explode(".",$domain);
$subnet = $p[1];
if($p[1]>15 && $p[1]<32)
$localb=TRUE;
}
$zz = $this->_GetObscureValue('z').$this->_GetObscureValue(5).'.'.(int)$this->_GetObscureValue(7).$this->_GetObscureValue(12);
$ff = $this->_GetObscureValue('z')+65;
$hh = $ff-0x18;
if($domain==$yy || $domain==$zz || substr($domain,0,7)==$ff.$this->_Chr(46).$hh ||
substr($domain,0,3)==$this->_GetObscureValue('a').$this->_Chr(46) || $localb || strpos($domain,".")==0)
{
return TRUE;
}
return FALSE;
}
function _falseIsLocalSite($domain)
{
$localb = FALSE;
if(substr($domain,0,3)=="172")
{
$b = substr($domain,0,6);
$p = explode(".",$domain);
$subnet = $p[1];
if($p[1]>15 && $p[1]<32)
$localb=TRUE;
}
if($domain=="localhost" || $domain=="127.0.0.1" || substr($domain,0,7)=="192.168" ||
substr($domain,0,3)=="10." || $localb || strpos($domain,".")==0)
{
return TRUE;
}
return FALSE;
}
function verifyLicense($license_hash)
{
$license_hash = base64_decode($license_hash);
list ($license_user, $license_password, ) = $this->_ParseLicense($license_hash);
return strlen($license_user) && strlen($license_password);
}
function moduleInstalled($module_name)
{
static $modules = null;
if ( is_null($modules) ) {
$sql = 'SELECT LOWER(Name)
FROM ' . $this->Application->getUnitOption('mod', 'TableName');
$modules = $this->Conn->GetCol($sql);
}
if ( $module_name == 'kernel' ) {
$module_name = 'in-portal';
}
return in_array(strtolower($module_name), $modules);
}
/**
* Returns list of matching modules
*
* @param int $module_type
* @return Array
* @access public
*/
public function getModules($module_type = self::ANY)
{
$modules = Array ();
try {
$iterator = new DirectoryIterator(MODULES_PATH);
/** @var DirectoryIterator $file_info */
}
catch (UnexpectedValueException $e) {
return $modules;
}
foreach ($iterator as $file_info) {
$file_path = $file_info->getPathname();
if ( $file_info->isDir() && !$file_info->isDot() && $this->isInPortalModule($file_path) ) {
$install_order = trim( file_get_contents($file_path . '/install/install_order.txt') );
$modules[$install_order] = $file_info->getFilename();
}
}
// allows to control module install order
ksort($modules, SORT_NUMERIC);
if ( $module_type == self::ANY ) {
return $modules;
}
foreach ($modules as $install_order => $module_name) {
$installed = $this->moduleInstalled($module_name);
if ( ($module_type == self::INSTALLED && !$installed) || ($module_type == self::NOT_INSTALLED && $installed) ) {
unset($modules[$install_order]);
}
}
return $modules;
}
/**
* Checks, that given folder is In-Portal module's root folder
*
* @param string $folder_path
* @return bool
* @access public
*/
public static function isInPortalModule($folder_path)
{
return file_exists($folder_path . '/install.php') && file_exists($folder_path . '/install/install_schema.sql');
}
}

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