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<?php
/**
* @package Components Anywhere
* @version 4.7.1
*
* @author Peter van Westen <info@regularlabs.com>
* @link http://www.regularlabs.com
* @copyright Copyright © 2020 Regular Labs All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
namespace RegularLabs\Plugin\System\ComponentsAnywhere;
defined('_JEXEC') or die;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Language\Text as JText;
use Joomla\CMS\Router\Route as JRoute;
use Joomla\CMS\Uri\Uri as JUri;
use RegularLabs\Library\Document as RL_Document;
use RegularLabs\Library\Html as RL_Html;
use RegularLabs\Library\PluginTag as RL_PluginTag;
use RegularLabs\Library\Protect as RL_Protect;
use RegularLabs\Library\RegEx as RL_RegEx;
use RegularLabs\Library\StringHelper as RL_String;
class Replace
{
static $message = '';
static $protect_start = '<!-- START: CA_PROTECT -->';
static $protect_end = '<!-- END: CA_PROTECT -->';
public static function replaceTags(&$string, $area = 'article', $context = '')
{
if ( ! is_string($string) || $string == '')
{
return false;
}
if ( ! RL_String::contains($string, Params::getTags(true)))
{
return false;
}
$params = Params::get();
// allow in component?
if (RL_Protect::isRestrictedComponent(isset($params->disabled_components) ? $params->disabled_components : [], $area))
{
Protect::_($string);
self::removeAll($string, $area);
RL_Protect::unprotect($string);
return true;
}
Protect::_($string);
// COMPONENT
if (RL_Document::isFeed())
{
$string = RL_RegEx::replace('(<item[^>]*>)', '\1<!-- START: CODA_COMPONENT -->', $string);
$string = str_replace('</item>', '<!-- END: CODA_COMPONENT --></item>', $string);
}
if (strpos($string, '<!-- START: CODA_COMPONENT -->') === false)
{
Area::tag($string, 'component');
}
self::$message = '';
$components = Area::get($string, 'component');
foreach ($components as $component)
{
if (strpos($string, $component[0]) === false)
{
continue;
}
self::processComponents($component[1], 'components');
$string = str_replace($component[0], $component[1], $string);
}
// EVERYWHERE
self::processComponents($string, 'other');
RL_Protect::unprotect($string);
return true;
}
public static function processComponents(&$string, $area = 'article', $context = '', $article = null)
{
$params = Params::get();
// Check if tags are in the text snippet used for the search component
if (strpos($context, 'com_search.') === 0)
{
$limit = explode('.', $context, 2);
$limit = (int) array_pop($limit);
$string_check = substr($string, 0, $limit);
if ( ! RL_String::contains($string_check, Params::getTags(true)))
{
return;
}
}
if ( ! RL_String::contains($string, Params::getTags(true)))
{
return;
}
self::replace($string, $area);
}
private static function removeAll(&$string, $area = 'article')
{
self::$message = JText::_('CA_OUTPUT_REMOVED_NOT_ENABLED');
self::processComponents($string, $area);
}
private static function replace(&$string, $area = 'article')
{
list($start_tags, $end_tags) = Params::getTags();
list($pre_string, $string, $post_string) = RL_Html::getContentContainingSearches(
$string,
$start_tags,
$end_tags
);
if ($string == '' || ! RL_String::contains($string, Params::getTags(true)))
{
$string = $pre_string . $string . $post_string;
return;
}
$regex = Params::getRegex();
$matches = [];
$protects = [];
RL_RegEx::matchAll($regex, $string, $matches);
if (empty($matches))
{
$string = $pre_string . $string . $post_string;
return;
}
foreach ($matches as $match)
{
if (strpos($string, $match[0]) === false)
{
continue;
}
if (self::processMatch($string, $match, $area))
{
continue;
}
$protected = self::$protect_start . base64_encode($match[0]) . self::$protect_end;
$string = str_replace($match[0], $protected, $string);
$protects[] = [$match[0], $protected];
}
unset($matches);
foreach ($protects as $protect)
{
if (strpos($string, $protect[1]) === false)
{
continue;
}
$string = str_replace($protect[1], $protect[0], $string);
}
$string = $pre_string . $string . $post_string;
}
private static function processMatch(&$string, &$data, $area = 'article')
{
$params = Params::get();
if ( ! empty(self::$message))
{
$html = '';
if ($params->place_comments)
{
$html = Protect::getMessageCommentTag(self::$message);
}
$string = str_replace($data[0], $html, $string);
return true;
}
$id = trim($data['id']);
// Handle multiple attribute syntaxes
$id = str_replace(
['|cache', '|forceitemid', '|keepurl', '|keepurlss'],
['|caching', '|force_itemid', '|keepurls', '|keepurls'],
$id
);
$known_boolean_keys = [
'caching', 'force_itemid', 'keepurls',
];
$tag = RL_PluginTag::getAttributesFromString($id, 'url', $known_boolean_keys);
if ( ! empty($tag->params))
{
foreach ($tag->params as $param)
{
$tag->{$param} = 1;
}
}
unset($tag->params);
$tag->force_itemid = isset($tag->force_itemid) ? $tag->force_itemid : $params->force_itemid;
$tag->keepurls = isset($tag->keepurls) ? $tag->keepurls : $params->keepurls;
$tag->caching = isset($tag->caching) ? $tag->caching : $params->caching;
$html = self::processComponent($tag, $area);
list($start_div, $end_div) = self::getDivTags($data);
$tags = RL_Html::cleanSurroundingTags([
'start_div_pre' => $start_div['pre'],
'start_div_post' => $start_div['post'],
'pre' => $data['pre'],
'post' => $data['post'],
'end_div_pre' => $end_div['pre'],
'end_div_post' => $end_div['post'],
]);
$html = $tags['start_div_pre'] . $start_div['tag'] . $tags['start_div_post']
. $tags['pre'] . $html . $tags['post']
. $tags['end_div_pre'] . $end_div['tag'] . $tags['end_div_post'];
if ($params->place_comments)
{
$html = Protect::wrapInCommentTags($html);
}
$string = str_replace($data[0], $html, $string);
unset($data);
return true;
}
private static function processComponent($tag, $area = '')
{
$params = Params::get();
$url = ltrim(RL_String::html_entity_decoder(trim($tag->url)), '/');
$pagination_stuff = ['p', 'page', 'limitstart', 'start', 'filter', 'filter-search'];
$full_url = $url;
foreach ($pagination_stuff as $key)
{
if ( ! isset($_GET[$key]))
{
continue;
}
$full_url .= (strpos($url, '?') === false) ? '?' : '&';
$full_url .= $key . '=' . $_GET[$key];
}
if ($tag->force_itemid)
{
$full_url = RL_RegEx::replace(
'((?:\?|&(?:amp;)?)Itemid)=[0-9]+',
'\1=' . JFactory::getApplication()->input->get('Itemid'),
$full_url
);
$full_url .= (strpos($full_url, '?') === false) ? '?' : '&';
$full_url .= 'Itemid=' . JFactory::getApplication()->input->get('Itemid');
}
$data = Component::get($full_url, $tag->caching);
if ( ! $data)
{
if ($params->place_comments)
{
return Protect::getMessageCommentTag(JText::_('CA_OUTPUT_REMOVED_INVALID'));
}
return '';
}
$add_styles_scripts = isset($tag->add_styles_scripts) ? $tag->add_styles_scripts
: (isset($tag->add_scripts_styles) ? $tag->add_scripts_styles
: $params->add_scripts_styles
);
if ($add_styles_scripts)
{
$add_styles = isset($tag->add_styles) ? $tag->add_styles : $params->add_styles;
$add_scripts = isset($tag->add_scripts) ? $tag->add_scripts : $params->add_scripts;
$add_meta = isset($tag->add_meta) ? $tag->add_meta : $params->add_meta;
Document::addStylesAndScripts($data, $area, $add_styles, $add_scripts, $add_meta);
}
$uri = JUri::getInstance();
// Remove tmpl and rendercomponent parameters that have possibly been added to urls by the component
self::removeFromUrls($data->html, '(?:tmpl=' . $params->tmpl . '&(?:amp;)?)?rendercomponent=1');
if ($params->force_remove_tmpl)
{
self::removeFromUrls($data->html, 'tmpl=' . $params->tmpl);
}
// Replace the form token with the current correct one
if ( ! empty($data->token))
{
$data->html = str_replace(
$data->token,
JFactory::getSession()->getFormToken(),
$data->html
);
}
// Replace the return values in urls
$data->html = RL_RegEx::replace(
'(\?|&(?:amp;)?)return=(?:[a-z0-9=]+)',
'\1return=' . base64_encode($uri->toString()),
$data->html
);
if ($tag->force_itemid)
{
// Replace Itemid
$data->html = RL_RegEx::replace(
'(\?|&(?:amp;)?)Itemid=[0-9]+',
'\1Itemid=' . JFactory::getApplication()->input->get('Itemid'),
$data->html
);
}
if ( ! $tag->keepurls)
{
$path = $uri->getPath();
$path .= (strpos($path, '?') === false) ? '?' : '&';
// Replace urls
$data->html = RL_RegEx::replace(
'\/' . RL_RegEx::quote([
$url,
JRoute::_($url),
JRoute::_($url, false),
]) . '(/?[\?\&\"\'])',
$path . '\2',
$data->html
);
// Also get non-sef matches
$url_regex = str_replace('&', '&(?:amp;)?', str_replace('index.php', '', $url));
$data->html = RL_RegEx::replace('"[^"]+' . $url_regex . '("|&)', '"' . $path . '\1', $data->html);
}
return $data->html;
}
private static function getDivTags($data)
{
list($tag_start, $tag_end) = Params::getTagCharacters(true);
return RL_PluginTag::getDivTags($data['start_div'], $data['end_div'], $tag_start, $tag_end);
}
private static function removeFromUrls(&$html, $search = '')
{
// Replace the <search term>&<something else> cases
$html = RL_RegEx::replace('(\?|&(?:amp;)?)' . $search . '&(?:amp;)?', '\1', $html);
// Replace the <search term> cases
$html = RL_RegEx::replace('(?:\?|&(?:amp;)?)' . $search, '', $html);
}
}