1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Install
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Fylesystem installer
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Install
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Install_Model_Installer_Filesystem extends Mage_Install_Model_Installer_Abstract
 35: {
 36:     const MODE_WRITE = 'write';
 37:     const MODE_READ  = 'read';
 38: 
 39:     public function __construct()
 40:     {
 41:     }
 42: 
 43:     /**
 44:      * Check and prepare file system
 45:      *
 46:      */
 47:     public function install()
 48:     {
 49:         if (!$this->_checkFilesystem()) {
 50:             throw new Exception();
 51:         };
 52:         return $this;
 53:     }
 54: 
 55:     /**
 56:      * Check file system by config
 57:      *
 58:      * @return bool
 59:      */
 60:     protected function _checkFilesystem()
 61:     {
 62:         $res = true;
 63:         $config = Mage::getSingleton('install/config')->getPathForCheck();
 64: 
 65:         if (isset($config['writeable'])) {
 66:             foreach ($config['writeable'] as $item) {
 67:                 $recursive = isset($item['recursive']) ? $item['recursive'] : false;
 68:                 $existence = isset($item['existence']) ? $item['existence'] : false;
 69:                 $checkRes = $this->_checkPath($item['path'], $recursive, $existence, 'write');
 70:                 $res = $res && $checkRes;
 71:             }
 72:         }
 73:         return $res;
 74:     }
 75: 
 76:     /**
 77:      * Check file system path
 78:      *
 79:      * @param   string $path
 80:      * @param   bool $recursive
 81:      * @param   bool $existence
 82:      * @param   string $mode
 83:      * @return  bool
 84:      */
 85:     protected function _checkPath($path, $recursive, $existence, $mode)
 86:     {
 87:         $res = true;
 88:         $fullPath = dirname(Mage::getRoot()) . $path;
 89:         if ($mode == self::MODE_WRITE) {
 90:             $setError = false;
 91:             if ($existence) {
 92:                 if ((is_dir($fullPath) && !is_dir_writeable($fullPath)) || !is_writable($fullPath)) {
 93:                     $setError = true;
 94:                 }
 95:             }
 96:             else {
 97:                 if (file_exists($fullPath) && !is_writable($fullPath)) {
 98:                     $setError = true;
 99:                 }
100:             }
101: 
102:             if ($setError) {
103:                 $this->_getInstaller()->getDataModel()->addError(
104:                     Mage::helper('install')->__('Path "%s" must be writable.', $fullPath)
105:                 );
106:                 $res = false;
107:             }
108:         }
109: 
110:         if ($recursive && is_dir($fullPath)) {
111:             foreach (new DirectoryIterator($fullPath) as $file) {
112:                 if (!$file->isDot() && $file->getFilename() != '.svn' && $file->getFilename() != '.htaccess') {
113:                     $res = $res && $this->_checkPath($path . DS . $file->getFilename(), $recursive, $existence, $mode);
114:                 }
115:             }
116:         }
117:         return $res;
118:     }
119: }
120: