LÁZÁR Imre AI Agent
b2bc981aab
sh404SEF SEF/URL component (Weeblr), vetted clean from live; upstream gated and discontinued for Joomla 3 -> deployed files. Signed-off-by: LÁZÁR Imre <imre@illusion.hu> Assisted-by: claude-code@claude-opus-4-8
440 lines
13 KiB
PHP
440 lines
13 KiB
PHP
<?php
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/**
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* sh404SEF - SEO extension for Joomla!
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*
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* @author Yannick Gaultier
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* @copyright (c) Yannick Gaultier 2014
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* @package sh404SEF
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* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
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* @version 4.4.4.1791
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* @date 2014-07-01
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*/
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// no direct access
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defined('_JEXEC') or die('Restricted access');
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/**
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* sh404SEF system plugin
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*
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* @author
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*/
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class plgSystemSh404sef extends JPlugin
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{
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static $_template = '';
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public function onAfterInitialise()
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{
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// prevent warning on php5.3+
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$this->_fixTimeWarning();
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// get joomla application object
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$app = JFactory::getApplication();
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// check shLib is available
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if (!defined('SHLIB_VERSION'))
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{
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$app
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->enqueuemessage(
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'sh404SEF requires the shLib system plugin to be enabled, but you appear to have disabled it. Please enable it again!', 'error');
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return;
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}
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// register our autoloader
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$this->_registerAutoloader();
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// create the unique page info object, and initialize it
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$pageInfo = Sh404sefFactory::getPageInfo();
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$pageInfo->init();
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// base class
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require_once(JPATH_ADMINISTRATOR . '/components/com_sh404sef/sh404sef.class.php');
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// define a default path for loading layouts
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ShlMvcLayout_Helper::$defaultBasePath = sh404SEF_LAYOUTS;
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// get our configuration
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$sefConfig = &Sh404sefFactory::getConfig();
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// hook for a few SEO hacks
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if ($app->isSite())
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{
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$this->_hacks();
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}
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// security layer
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if (!$app->isAdmin() && $sefConfig->shSecEnableSecurity)
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{
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require_once(JPATH_ROOT . '/components/com_sh404sef/shSec.php');
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// do security checks
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shDoSecurityChecks();
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shCleanUpSecLogFiles(); // see setting in class file for clean up frequency
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}
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// optionnally collect page creation time
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if (!$app->isAdmin() && $sefConfig->analyticsEnableTimeCollection)
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{
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jimport('joomla.error.profiler');
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// creating the profiler object will start the counter
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$profiler = JProfiler::getInstance('sh404sef_profiler');
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}
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// load plugins, as per configuration
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$this->_loadPlugins($type = 'sh404sefcore');
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// load extension plugins, created by others
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$this->_loadPlugins($type = 'sh404sefextplugins');
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// hook to be able to install other SEF extension plugins
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//Sh404sefHelperExtplugins::loadInstallAdapters();
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// another hook to allow other SEF extensions language file to be loaded
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Sh404sefHelperExtplugins::loadLanguageFiles();
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if (!$sefConfig->Enabled)
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{
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// go away if not enabled
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return;
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}
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if (!defined('SH404SEF_IS_RUNNING'))
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{
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DEFINE('SH404SEF_IS_RUNNING', 1);
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}
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if (!$app->isAdmin())
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{
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// setup our JPagination replacement, so as to bring
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// back # of items per page in the url, in order
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// to properly calculate pagination
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// will only work if php > 5, so test for that
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if (version_compare(phpversion(), '5.0') >= 0)
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{
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// this register the old file, but do not load it if PHP5
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// will prevent further calls to the same jimport()
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// to actually do anything, because the 'joomla.html.pagination' key
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// is now registered statically in Jloader::import()
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jimport('joomla.html.pagination');
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// now we can register our own path
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JLoader::register('JPagination', JPATH_ADMINISTRATOR . '/components/com_sh404sef/pagination.php');
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}
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// attach parse and build rules to Joomla router
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$joomlaRouter = $app->getRouter();
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$pageInfo->router = new Sh404sefClassRouter();
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$joomlaRouter->attachParseRule(array($pageInfo->router, 'parseRule'));
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$joomlaRouter->attachBuildRule(array($pageInfo->router, 'buildRule'));
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// pretend SEF is on, mostly for Joomla SEF plugin to work
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// as it checks directly 'sef' value in config, instead of
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// using $router->getMode()
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JFactory::$config->set('sef', 1);
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// we use opposite setting from J!
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$mode = 1 - $sefConfig->shRewriteMode;
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JFactory::$config->set('sef_rewrite', $mode);
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// perform startup operations, such as detecting request caracteristics
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// and checking redirections
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$uri = JURI::getInstance();
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$pageInfo->router->startup($uri);
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}
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}
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public function onAfterRoute()
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{
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if (defined('SH404SEF_IS_RUNNING'))
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{
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// set template, to perform alternate template output, if set to
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$app = JFactory::getApplication();
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if (!$app->isAdmin())
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{
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$this->_setAlternateTemplate();
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}
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}
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}
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public function onAfterDispatch()
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{
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if (defined('SH404SEF_IS_RUNNING'))
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{
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$app = JFactory::getApplication();
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if (!$app->isAdmin())
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{
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// reset alternate template
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$this->_resetAlternateTemplate();
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// create shurl on the fly for this page
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// if not already done
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if (Sh404sefConfigurationEdition::$id == 'full' && JFactory::getDocument()->getType() == 'html')
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{
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// shortlinks
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Sh404sefHelperShurl::updateShurls();
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}
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}
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}
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}
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/* page rewriting features */
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public function onAfterRender()
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{
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if (defined('SH404SEF_IS_RUNNING'))
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{
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if (JFactory::getApplication()->isAdmin())
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{
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if (version_compare(JVERSION, '3.0', 'ge'))
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{
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// are we on an edit page?
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$option = JRequest::getCmd('option');
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$view = JRequest::getCmd('view');
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$layout = JRequest::getCmd('layout');
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if ($layout == 'edit'
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&& (($option == 'com_content' && $view == 'article') || ($option == 'com_categories' && $view == 'category')
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|| ($option == 'com_contact' && $view == 'contact') || ($option == 'com_newsfeeds' && $view == 'newsfeed')
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|| ($option == 'com_weblinks' && $view == 'weblink')))
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{
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// variations in field name
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if ($option == 'com_newsfeeds' || $option == 'com_contact')
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{
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$titleFieldName = 'jform_name';
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}
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else
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{
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$titleFieldName = 'jform_title';
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}
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// attach an input counter to the title input boxes
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$document = JFactory::getDocument();
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if ($document->getType() == 'html')
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{
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$page = JResponse::getBody();
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// insert css and js
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$link = '';
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if (strpos($page, 'media/plg_shlib/css/bs.css') === false)
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{
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$link .= '<link rel="stylesheet" href="' . JURI::root(true) . '/media/plg_shlib/css/bs.css" type="text/css" />';
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}
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if (strpos($page, 'media/plg_shlib/js/bs.js') === false)
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{
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$link .= "\n" . '<script src="' . JURI::root(true) . '/media/plg_shlib/js/bs.js" type="text/javascript" ></script>';
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}
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if (!empty($link))
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{
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$page = str_replace('</head>', $link . '</head>', $page);
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}
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// insert custom js to attach counters to title and metadesc fields
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$script = ShlHtmlBs_Helper::renderInputCounter($titleFieldName,
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Sh404sefFactory::getPConfig()->metaDataSpecs['metatitle-joomla-be']);
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$script .= ShlHtmlBs_Helper::renderInputCounter('jform_metadesc',
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Sh404sefFactory::getPConfig()->metaDataSpecs['metadesc-joomla-be']);
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$page = str_replace('</body>', $script . '</body>', $page);
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JResponse::setBody($page);
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}
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}
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}
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return;
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}
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$sefConfig = Sh404sefFactory::getConfig();
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// return if no seo optim to perform
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if ($sefConfig->shMetaManagementActivated || Sh404sefHelperAnalytics::isEnabled())
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{
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// go away if not enabled
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$include = JPATH_ROOT . '/components/com_sh404sef/shPageRewrite.php';
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require_once $include;
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}
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}
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}
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/**
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* A set of SEO hacks that don't fit elsewhere
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* as we usually want a very quick response and
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* avoid wasted resources
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*
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*/
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protected function _hacks()
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{
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// facebook: provide a channelUrl to like/Send buttons
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$option = JRequest::getCmd('option', '');
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$view = JRequest::getCmd('view', '');
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$format = JRequest::getCmd('format', 'html');
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if ($option == 'com_sh404sef' && $view == 'channelurl' && $format == 'raw')
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{
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// this is a request for the channelUrl
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$langtag = JRequest::getCmd('langtag', 'en_GB');
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$pageContent = '<script src="//connect.facebook.net/' . htmlspecialchars($langtag) . '/all.js"></script>';
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if (!headers_sent())
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{
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$cacheExpire = 60 * 60 * 24 * 365;
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header("Pragma: public");
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header("Cache-Control: max-age=" . $cacheExpire);
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header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $cacheExpire) . ' GMT');
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}
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echo $pageContent;
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jexit();
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}
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// multilingual hack: set cookie on request to homepage, as Joomla doesn't
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// associate / with default language
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$app = JFactory::getApplication();
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if ($app->getLanguageFilter())
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{
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if ($format == 'html' && $this->_shouldSetHomePageLanguage($app))
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{
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$defaultLangCode = Sh404sefHelperLanguage::getDefaultLanguageTag();
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Sh404sefHelperLanguage::setLanguageCookie($defaultLangCode, $this->getLangCookieTime());
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// set the request var
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$app->input->set('language', $defaultLangCode);
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JRequest::setVar('language', $defaultLangCode);
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// now set language object
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JFactory::$language = JLanguage::getInstance($defaultLangCode, JFactory::getConfig()->get('debug_lang'));
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$pageInfo = Sh404sefFactory::getPageInfo();
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$pageInfo->setCurrentLanguage($defaultLangCode);
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}
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}
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}
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protected function _shouldSetHomePageLanguage($app)
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{
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// don't break browser language detection
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$langCookie = $app->input->cookie->get(JApplication::getHash('language'), null);
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if (empty($langCookie) && $app->getDetectBrowser())
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{
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return false;
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}
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// don't set lang on (forms) POST
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if ($app->input->getMethod() == "POST" && count($app->input->post) == 0)
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{
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return false;
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}
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$pageInfo = Sh404sefFactory::getPageInfo();
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$base = JUri::getInstance()->base();
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$request = str_replace($base, '', $pageInfo->currentSefUrl);
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// easy, just home page
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if ($request == '')
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{
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return true;
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}
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// might be some home page variation: simple, just /index.php
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if ($request == 'index.php')
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{
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return true;
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}
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// other home page variation: index.php?lang=xx: comply with that
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$langCodeInUrl = Sh404sefHelperUrl::getUrlLang($request);
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if (!empty($langCodeInUrl))
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{
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return false;
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}
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// other home page variation: index.php?val1=xx&val2=yy, we should set language
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$bits = explode('?', $request);
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if (!empty($bits) && $bits['0'] == 'index.php')
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{
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return true;
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}
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return false;
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}
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/**
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* Load and register the plugins currently activated by webmaster
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*
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* @return none
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*/
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protected function _loadPlugins($type)
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{
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// required joomla library
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jimport('joomla.plugin.helper.php');
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// import the plugin files
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$status = JPluginHelper::importPlugin($type);
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return $status;
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}
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/**
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* Register our autoloader function with PHP
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*/
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protected function _registerAutoloader()
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{
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// get Joomla autloader out
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spl_autoload_unregister("__autoload");
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// add our own
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include JPATH_ADMINISTRATOR . '/components/com_sh404sef/helpers/autoloader.php';
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$registered = spl_autoload_register(array('Sh404sefAutoloader', 'doAutoload'));
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// stitch back Joomla's at the end of the list
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if (function_exists("__autoload"))
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{
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spl_autoload_register("__autoload");
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}
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if (!defined('SH404SEF_AUTOLOADER_LOADED'))
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{
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define('SH404SEF_AUTOLOADER_LOADED', 1);
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}
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}
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protected function _fixTimeWarning()
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{
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// prevent timezone not set warnings to appear all over,
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// especially for PHP 5.3.3+
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$serverTimezone = @date_default_timezone_get();
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@date_default_timezone_set($serverTimezone);
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}
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protected function _setAlternateTemplate()
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{
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$app = JFactory::getApplication();
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$sefConfig = Sh404sefFactory::getConfig();
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if (!defined('SHMOBILE_MOBILE_TEMPLATE_SWITCHED') && !empty($sefConfig->alternateTemplate))
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{
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// global on/off switch
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self::$_template = $app->getTemplate(); // save current template
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$app->setTemplate($sefConfig->alternateTemplate);
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}
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}
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protected function _resetAlternateTemplate()
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{
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$app = JFactory::getApplication();
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$sefConfig = Sh404sefFactory::getConfig();
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if (!defined('SHMOBILE_MOBILE_TEMPLATE_SWITCHED') && !empty($sefConfig->alternateTemplate))
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{
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// global on/off switch
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if (empty(self::$_template))
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{
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return;
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}
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$app->setTemplate(self::$_template); // restore old template
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}
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}
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private function getLangCookieTime()
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{
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$cookieTime = 0;
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$languageFilterPlugin = JPluginHelper::getPlugin('system', 'languagefilter');
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if (!empty($languageFilterPlugin))
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{
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$params = new JRegistry($languageFilterPlugin->params);
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if ($params->get('lang_cookie', 1) == 1)
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{
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$cookieTime = time() + 365 * 86400;
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}
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}
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return $cookieTime;
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}
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}
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