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controllers/front/PageNotFoundController.php

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+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * 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.md.
+ * 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 https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ */
+class PageNotFoundControllerCore extends FrontController
+{
+    public $php_self = 'pagenotfound';
+    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');
+        $this->context->cookie->disallowWriting();
+        parent::initContent();
+        $this->setTemplate('errors/404');
+    }
+
+    protected function canonicalRedirection($canonical_url = '')
+    {
+        // 404 - no need to redirect to the canonical url
+    }
+
+    protected function sslRedirection()
+    {
+        // 404 - no need to redirect
+    }
+
+    public function getTemplateVarPage()
+    {
+        $page = parent::getTemplateVarPage();
+        $page['title'] = $this->trans('The page you are looking for was not found.', [], 'Shop.Theme.Global');
+
+        return $page;
+    }
+
+    public function displayAjax()
+    {
+        header('Content-Type: application/json');
+        echo json_encode($this->trans('The page you are looking for was not found.', [], 'Shop.Theme.Global'));
+    }
+}