Merge pull request #347 from joomlatools/feature/346-404redirect-plugin

Create 404 re-direct plugin
joomlatools · Mar 16, 2018 · 87014dc · 87014dc
2 parents 5ac999c + 8283b62
commit 87014dc
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diff --git a/install/mysql/migrations/v2.0.0/20180301063731_install_plg_system404.php b/install/mysql/migrations/v2.0.0/20180301063731_install_plg_system404.php
@@ -0,0 +1,22 @@
+<?php
+
+use Phinx\Migration\AbstractMigration;
+
+class InstallPlgSystem404 extends AbstractMigration
+{
+    public function up()
+    {
+        $sql = <<<EOL
+INSERT INTO `extensions` (`extension_id`, `name`, `type`, `element`, `folder`, `client_id`, `enabled`, `access`, `protected`, `manifest_cache`, `params`, `custom_data`, `system_data`, `checked_out`, `checked_out_time`, `ordering`, `state`)
+VALUES
+    (450, 'plg_system_404', 'plugin', '404', 'system', 0, 1, 1, 0, '{}', '{}', '', '', 0, '0000-00-00 00:00:00', 0, 0);
+EOL;
+
+        $this->execute($sql);
+    }
+
+    public function down()
+    {
+        $this->execute("DELETE FROM `extensions` WHERE `extensions`.`name` = 'plg_system_404'");
+    }
+}
diff --git a/lib/plugins/system/404/404.php b/lib/plugins/system/404/404.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * @package     System - 404
+ * @copyright   Copyright (C) 2018 Timble CVBA. (http://www.timble.net)
+ * @license     GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
+ * @link        http://www.joomlatools.com
+ */
+
+defined('_JEXEC') or die;
+
+class PlgSystem404 extends JPlugin
+{
+    public function __construct(&$subject, $config)
+    {
+        parent::__construct($subject, $config);
+
+        if (JFactory::getApplication()->isSite())
+        {
+            // Set the JError handler for E_ERROR to be the class' handleError method.
+            JError::setErrorHandling(E_ERROR, 'callback', array('PlgSystem404', 'handleError'));
+        }
+    }
+
+    public static function handleError(JException $error)
+    {
+        $app = JFactory::getApplication();
+
+        if ($app->get('sef') && (int) $error->getCode() == 404)
+        {
+            $regex   = '/\/[\d]+\-/';
+            $current = JUri::current();
+
+            // Match url having "/xxx-" format, where xxx is a number.
+            if (preg_match($regex, $current))
+            {
+                // Redirect with-id to no-id url
+                $redirect = preg_replace($regex, '/', $current);
+                $app->redirect($redirect);
+            }
+        }
+
+        JErrorPage::render($error);
+    }
+}
diff --git a/lib/plugins/system/404/404.xml b/lib/plugins/system/404/404.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<extension version="3.1" type="plugin" group="system" method="upgrade">
+    <name>plg_system_404</name>
+    <author>Joomlatools</author>
+    <creationDate>March 2018</creationDate>
+    <copyright>Copyright (C) 2018 Timble CVBA (http://www.timble.net)</copyright>
+    <license>GNU GPLv3 - http://www.gnu.org/licenses/gpl.html</license>
+    <authorEmail>support@joomlatools.com</authorEmail>
+    <authorUrl>www.joomlatools.com</authorUrl>
+    <version>1.0.0</version>
+    <description>PLG_SYSTEM_404_DESCRIPTION</description>
+    <files>
+        <filename plugin="404">404.php</filename>
+    </files>
+    <languages>
+        <language tag="en-GB">en-GB.plg_system_404.ini</language>
+        <language tag="en-GB">en-GB.plg_system_404.sys.ini</language>
+    </languages>
+</extension>
diff --git a/lib/plugins/system/404/language/en-GB/en-GB.plg_system_404.ini b/lib/plugins/system/404/language/en-GB/en-GB.plg_system_404.ini
@@ -0,0 +1,6 @@
+; Copyright © 2018 Timble CVBA. (http://www.timble.net)
+; GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
+; Note : All ini files need to be saved as UTF-8
+
+PLG_SYSTEM_404="System - 404"
+PLG_SYSTEM_404_DESCRIPTION="This will redirect with-id to no-id url."
diff --git a/lib/plugins/system/404/language/en-GB/en-GB.plg_system_404.sys.ini b/lib/plugins/system/404/language/en-GB/en-GB.plg_system_404.sys.ini
@@ -0,0 +1,6 @@
+; Copyright © 2018 Timble CVBA. (http://www.timble.net)
+; GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
+; Note : All ini files need to be saved as UTF-8
+
+PLG_SYSTEM_404="System - 404"
+PLG_SYSTEM_404_DESCRIPTION="This will redirect with-id to no-id url."