<?php
/*
* 2007-2014 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:
* http://opensource.org/licenses/osl-3.0.php
* 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  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class PageNotFoundControllerCore extends FrontController
{
	public $php_self = '404';
	public $page_name = 'pagenotfound';
	public $ssl = true;

	/**
	 * Assign template vars related to page content
	 * @see FrontController::initContent()
	 */
	public function initContent()
	{
		header('HTTP/1.1 404 Not Found');
		header('Status: 404 Not Found');

		if (preg_match('/\.(gif|jpe?g|png|ico)$/i', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)))
		{
			$this->context->cookie->disallowWriting();
			if (!isset($_SERVER['REDIRECT_URL']))
			{
				$_SERVER['REDIRECT_URL'] = '';
				if (preg_match('@^'.__PS_BASE_URI__.'([0-9]+)\-([_a-zA-Z0-9-]+)(/[_a-zA-Z0-9-]+)?\.jpg$@', $_SERVER['REQUEST_URI'], $matches))
					$_SERVER['REDIRECT_URL'] = __PS_BASE_URI__.'p/'.Image::getImgFolderStatic($matches[0]).'/'.$matches[0].'-'.$matches[1].'.jpg';
			}
			if (preg_match('#/p[0-9/]*/([0-9]+)\-([_a-zA-Z]*)\.(png|jpe?g|gif)$#', $_SERVER['REDIRECT_URL'], $matches))
			{
				// Backward compatibility since we suffixed the template image with _default
				if (Tools::strtolower(substr($matches[2], -8)) != '_default')
				{
					header('Location: '.$this->context->link->getImageLink('', $matches[1], $matches[2]), true, 302);
					exit;
				}
				else
				{
					$image_type = ImageType::getByNameNType($matches[2], 'products');
					if ($image_type && count($image_type))
					{
						$root = _PS_PROD_IMG_DIR_;
						$folder = Image::getImgFolderStatic($matches[1]);
						$file = $matches[1];
						$ext = '.'.$matches[3];

						if (file_exists($root.$folder.$file.$ext))
							if (ImageManager::resize($root.$folder.$file.$ext, $root.$folder.$file.'-'.$matches[2].$ext, (int)$image_type['width'], (int)$image_type['height']))
							{
								header('HTTP/1.1 200 Found');
								header('Status: 200 Found');
								header('Content-Type: image/jpg');
								readfile($root.$folder.$file.'-'.$matches[2].$ext);
								exit;
							}
					}
				}
			}
			elseif (preg_match('#/c/([0-9]+)\-([_a-zA-Z]*)\.(png|jpe?g|gif)$#', $_SERVER['REDIRECT_URL'], $matches))
			{
				$image_type = ImageType::getByNameNType($matches[2], 'categories');
				if ($image_type && count($image_type))
				{
					$root = _PS_CAT_IMG_DIR_;
					$file = $matches[1];
					$ext = '.'.$matches[3];

					if (file_exists($root.$file.$ext))
						if (ImageManager::resize($root.$file.$ext, $root.$file.'-'.$matches[2].$ext, (int)$image_type['width'], (int)$image_type['height']))
						{
							header('HTTP/1.1 200 Found');
							header('Status: 200 Found');
							header('Content-Type: image/jpg');
							readfile($root.$file.'-'.$matches[2].$ext);
							exit;
						}
				}
			}

			header('Content-Type: image/gif');
			readfile(_PS_IMG_DIR_.'404.gif');
			exit;
		}
		elseif (in_array(Tools::strtolower(substr($_SERVER['REQUEST_URI'], -3)), array('.js', 'css')))
		{
			$this->context->cookie->disallowWriting();
			exit;
		}

		parent::initContent();

		$this->setTemplate(_PS_THEME_DIR_.'404.tpl');
	}
	
	public function canonicalRedirection($canonical_url = '')
	{
		// 404 - no need to redirect to the canonical url
	}
}

