Mini Shell
<?php
/**
* 2007-2018 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* https://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2018 PrestaShop SA
* @license https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
/**
* Class PrestaShopAutoload
*
* @since 1.5
*/
class PrestaShopAutoload
{
/**
* @var PrestaShopAutoload
*/
protected static $instance;
/**
* @var string Root directory
*/
protected $root_dir;
/**
* @var array array('classname' => 'path/to/override', 'classnamecore' => 'path/to/class/core')
*/
public $index = array();
public $_include_override_path = true;
protected static $class_aliases = array(
'Collection' => 'PrestaShopCollection',
'Autoload' => 'PrestaShopAutoload',
'Backup' => 'PrestaShopBackup',
'Logger' => 'PrestaShopLogger'
);
protected function __construct()
{
$this->root_dir = _PS_CORE_DIR_.'/';
$file = PrestaShopAutoload::getCacheFileIndex();
$stubFile = PrestaShopAutoload::getStubFileIndex();
if (@filemtime($file) && is_readable($file) && @filemtime($stubFile) && is_readable($stubFile)) {
$this->index = include($file);
} else {
$this->generateIndex();
}
}
/**
* Get instance of autoload (singleton)
*
* @return PrestaShopAutoload
*/
public static function getInstance()
{
if (!PrestaShopAutoload::$instance) {
PrestaShopAutoload::$instance = new PrestaShopAutoload();
}
return PrestaShopAutoload::$instance;
}
/**
* Get Class index cache file
*
* @return string
*/
public static function getCacheFileIndex()
{
return _PS_ROOT_DIR_.DIRECTORY_SEPARATOR. 'var'.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.(_PS_MODE_DEV_ ? 'dev' : 'prod').DIRECTORY_SEPARATOR.'class_index.php';
}
/**
* Get Namespaced class stub file
*
* @return string
*/
public static function getNamespacedStubFileIndex()
{
return _PS_ROOT_DIR_.DIRECTORY_SEPARATOR. 'var'.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.(_PS_MODE_DEV_ ? 'dev' : 'prod').DIRECTORY_SEPARATOR.'namespaced_class_stub.php';
}
/**
* Get Class stub file
*
* @return string
*/
public static function getStubFileIndex()
{
return _PS_ROOT_DIR_.DIRECTORY_SEPARATOR. 'var'.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.(_PS_MODE_DEV_ ? 'dev' : 'prod').DIRECTORY_SEPARATOR.'class_stub.php';
}
/**
* Retrieve informations about a class in classes index and load it
*
* @param string $className
*/
public function load($className)
{
// Retrocompatibility
if (isset(PrestaShopAutoload::$class_aliases[$className]) && !interface_exists($className, false) && !class_exists($className, false)) {
return eval('class '.$className.' extends '.PrestaShopAutoload::$class_aliases[$className].' {}');
}
// regenerate the class index if the requested file doesn't exists
if ((isset($this->index[$className]) && $this->index[$className]['path'] && !is_file($this->root_dir.$this->index[$className]['path']))
|| (isset($this->index[$className.'Core']) && $this->index[$className.'Core']['path'] && !is_file($this->root_dir.$this->index[$className.'Core']['path']))
|| !file_exists(self::getNamespacedStubFileIndex())) {
$this->generateIndex();
}
// If $classname has not core suffix (E.g. Shop, Product)
if (substr($className, -4) != 'Core' && !class_exists($className, false)) {
$classDir = (isset($this->index[$className]['override'])
&& $this->index[$className]['override'] === true) ? $this->normalizeDirectory(_PS_ROOT_DIR_) : $this->root_dir;
// If requested class does not exist, load associated core class
if (isset($this->index[$className]) && !$this->index[$className]['path']) {
require_once($classDir.$this->index[$className.'Core']['path']);
if ($this->index[$className.'Core']['type'] != 'interface') {
eval($this->index[$className.'Core']['type'].' '.$className.' extends '.$className.'Core {}');
}
} else {
// request a non Core Class load the associated Core class if exists
if (isset($this->index[$className.'Core'])) {
require_once($this->root_dir.$this->index[$className.'Core']['path']);
}
if (isset($this->index[$className])) {
require_once($classDir.$this->index[$className]['path']);
}
}
} elseif (isset($this->index[$className]['path']) && $this->index[$className]['path']) {
// Call directly ProductCore, ShopCore class
require_once($this->root_dir.$this->index[$className]['path']);
}
if (strpos($className, 'PrestaShop\PrestaShop\Adapter\Entity') !== false) {
require_once(self::getNamespacedStubFileIndex());
}
}
/**
* Generate classes index
*/
public function generateIndex()
{
$coreClasses = $this->getClassesFromDir('classes/');
$classes = array_merge(
$coreClasses,
$this->getClassesFromDir('controllers/')
);
$contentNamespacedStub = '<?php '."\n".'namespace PrestaShop\\PrestaShop\\Adapter\\Entity;'."\n\n";
foreach ($coreClasses as $coreClassName => $coreClass) {
if (substr($coreClassName, -4) == 'Core') {
$coreClassName = substr($coreClassName, 0, -4);
if ($coreClass['type'] != 'interface') {
$contentNamespacedStub .= $coreClass['type'].' '.$coreClassName.' extends \\'.$coreClassName.' {};'."\n";
}
}
}
if ($this->_include_override_path) {
$coreOverrideClasses = $this->getClassesFromDir('override/classes/', defined('_PS_HOST_MODE_'));
$coreClassesWOOverrides = array_diff_key($coreClasses, $coreOverrideClasses);
$classes = array_merge(
$classes,
$coreOverrideClasses,
$this->getClassesFromDir('override/controllers/', defined('_PS_HOST_MODE_'))
);
} else {
$coreClassesWOOverrides = $coreClasses;
}
$contentStub = '<?php'."\n\n";
foreach ($coreClassesWOOverrides as $coreClassName => $coreClass) {
if (substr($coreClassName, -4) == 'Core') {
$coreClassNameNoCore = substr($coreClassName, 0, -4);
if ($coreClass['type'] != 'interface') {
$contentStub .= $coreClass['type'].' '.$coreClassNameNoCore.' extends '.$coreClassName.' {};'."\n";
}
}
}
ksort($classes);
$content = '<?php return '.var_export($classes, true).'; ?>';
// Write classes index on disc to cache it
$filename = PrestaShopAutoload::getCacheFileIndex();
@mkdir(_PS_CACHE_DIR_, 0777, true);
if (!$this->dumpFile($filename, $content)) {
Tools::error_log('Cannot write temporary file '.$filename);
}
$stubFilename = PrestaShopAutoload::getStubFileIndex();
if (!$this->dumpFile($stubFilename, $contentStub)) {
Tools::error_log('Cannot write temporary file '.$stubFilename);
}
$namespacedStubFilename = PrestaShopAutoload::getNamespacedStubFileIndex();
if (!$this->dumpFile($namespacedStubFilename, $contentNamespacedStub)) {
Tools::error_log('Cannot write temporary file '.$namespacedStubFilename);
}
$this->index = $classes;
}
/**
* @param string $filename
* @param string $content
*
* @return bool
*
* @see http://api.symfony.com/3.0/Symfony/Component/Filesystem/Filesystem.html#method_dumpFile
*/
public function dumpFile($filename, $content)
{
$dir = dirname($filename);
// Will create a temp file with 0600 access rights
// when the filesystem supports chmod.
$tmpFile = tempnam($dir, basename($filename));
if (false === @file_put_contents($tmpFile, $content)) {
return false;
}
// Ignore for filesystems that do not support umask
@chmod($tmpFile, 0666);
rename($tmpFile, $filename);
return true;
}
/**
* Retrieve recursively all classes in a directory and its subdirectories
*
* @param string $path Relative path from root to the directory
* @param bool $hostMode Since 1.7, deprecated.
*
* @return array
*/
protected function getClassesFromDir($path, $hostMode = false)
{
$classes = array();
$rootDir = $hostMode ? $this->normalizeDirectory(_PS_ROOT_DIR_) : $this->root_dir;
foreach (scandir($rootDir.$path) as $file) {
if ($file[0] != '.') {
if (is_dir($rootDir.$path.$file)) {
$classes = array_merge($classes, $this->getClassesFromDir($path.$file.'/', $hostMode));
} elseif (substr($file, -4) == '.php') {
$content = file_get_contents($rootDir.$path.$file);
$namespacePattern = '[\\a-z0-9_]*[\\]';
$pattern = '#\W((abstract\s+)?class|interface)\s+(?P<classname>'.basename($file, '.php').'(?:Core)?)'
.'(?:\s+extends\s+'.$namespacePattern.'[a-z][a-z0-9_]*)?(?:\s+implements\s+'.$namespacePattern.'[a-z][\\a-z0-9_]*(?:\s*,\s*'.$namespacePattern.'[a-z][\\a-z0-9_]*)*)?\s*\{#i';
//DONT LOAD CLASS WITH NAMESPACE - PSR4 autoloaded from composer
$usesNamespace = false;
foreach (token_get_all($content) as $token) {
if ($token[0] === T_NAMESPACE) {
$usesNamespace = true;
break;
}
}
if (!$usesNamespace && preg_match($pattern, $content, $m)) {
$classes[$m['classname']] = array(
'path' => $path.$file,
'type' => trim($m[1]),
'override' => $hostMode,
);
if (substr($m['classname'], -4) == 'Core') {
$classes[substr($m['classname'], 0, -4)] = array(
'path' => '',
'type' => $classes[$m['classname']]['type'],
'override' => $hostMode,
);
}
}
}
}
}
return $classes;
}
/**
* Get Class path
*
* @param string $classname
*
* @return null
*/
public function getClassPath($classname)
{
return (isset($this->index[$classname]) && isset($this->index[$classname]['path'])) ? $this->index[$classname]['path'] : null;
}
/**
* Normalize directory
*
* @param string $directory
*
* @return string
*/
private function normalizeDirectory($directory)
{
return rtrim($directory, '/\\').DIRECTORY_SEPARATOR;
}
}
spl_autoload_register(array(PrestaShopAutoload::getInstance(), 'load'));
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