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<?php |
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/** |
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* @package Filter |
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* @author Iurii Makukh |
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* @copyright Copyright (c) 2017, Iurii Makukh |
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* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0+ |
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*/ |
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namespace gplcart\modules\filter; |
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use gplcart\core\Module; |
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/** |
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* Main class for Filter module |
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*/ |
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class Filter extends Module |
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{ |
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/** |
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* An array of HTML Purifier instances keyed by filter configuration hash |
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* @var array |
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*/ |
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protected $htmlpurifiers = array(); |
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/** |
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* Constructor |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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} |
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/** |
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* Implements hook "library.list" |
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* @param array $libraries |
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*/ |
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public function hookLibraryList(array &$libraries) |
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{ |
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$libraries['htmlpurifier'] = array( |
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'name' => /* @text */'HTML Purifier', |
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'description' => /* @text */'Standards compliant HTML filter written in PHP', |
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'type' => 'php', |
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'module' => 'filter', |
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'url' => 'https://github.com/ezyang/htmlpurifier', |
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'download' => 'https://github.com/ezyang/htmlpurifier/archive/v4.9.2.zip', |
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'version_source' => array( |
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'lines' => 100, |
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'file' => 'vendor/ezyang/htmlpurifier/library/HTMLPurifier.php', |
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'pattern' => '/.*VERSION.*(\\d+\\.+\\d+\\.+\\d+)/' |
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), |
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'files' => array( |
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'vendor/ezyang/htmlpurifier/library/HTMLPurifier.auto.php' |
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), |
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); |
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} |
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/** |
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* Implements hook "route.list" |
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* @param array $routes |
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*/ |
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public function hookRouteList(array &$routes) |
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{ |
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$routes['admin/module/settings/filter'] = array( |
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'access' => 'module_edit', |
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'handlers' => array( |
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'controller' => array('gplcart\\modules\\filter\\controllers\\Filter', 'listFilter') |
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) |
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); |
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$routes['admin/module/settings/filter/edit/(\w+)'] = array( |
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'access' => 'module_filter_edit', |
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'handlers' => array( |
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'controller' => array('gplcart\\modules\\filter\\controllers\\Filter', 'editFilter') |
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) |
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); |
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} |
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/** |
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* Implements hook "user.role.permissions" |
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* @param array $permissions |
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*/ |
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public function hookUserRolePermissions(array &$permissions) |
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{ |
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$permissions['module_filter_edit'] = /* @text */'HTML Filter: edit'; |
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$permissions['module_filter_delete'] = /* @text */'HTML Filter: delete'; |
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} |
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/** |
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* Implements hook "filter" |
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* @param string $text |
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* @param array $filter |
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* @param null|string $filtered |
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*/ |
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public function hookFilter($text, $filter, &$filtered) |
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{ |
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if (isset($filter['module']) && $filter['module'] === 'filter' && !empty($filter['status'])) { |
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$filtered = $this->filter($text, $filter); |
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} |
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} |
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/** |
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* Filter a string |
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* @param string $text |
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* @param array $filter |
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* @return string |
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*/ |
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public function filter($text, $filter) |
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{ |
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return $this->getHtmlpurifierInstance($filter)->purify($text); |
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} |
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/** |
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* Returns HTML Purifier class instance depending on the filter configuration |
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* @param array $filter |
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* @return \HTMLPurifier |
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*/ |
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public function getHtmlpurifierInstance(array $filter) |
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{ |
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ksort($filter['data']); |
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$key = md5(json_encode($filter['data'])); |
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if (isset($this->htmlpurifiers[$key])) { |
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return $this->htmlpurifiers[$key]; |
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} |
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$this->getLibrary()->load('htmlpurifier'); |
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if (empty($filter['data'])) { |
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$config = \HTMLPurifier_Config::createDefault(); |
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} else { |
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$config = \HTMLPurifier_Config::create($filter['data']); |
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} |
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return $this->htmlpurifiers[$key] = new \HTMLPurifier($config); |
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} |
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/** |
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* Implements hook "filter.handlers" |
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* @param mixed $filters |
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*/ |
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public function hookFilterHandlers(array &$filters) |
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{ |
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$filters = array_merge($filters, $this->getFilterHandlers()); |
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} |
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/** |
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* Returns an array of filter handlers |
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* @return array |
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*/ |
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protected function getFilterHandlers() |
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{ |
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static $filters = null; |
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if (!isset($filters)) { |
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$filters = require __DIR__ . '/config/filters.php'; |
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} |
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$saved = $this->config->get('module_filter_filters', array()); |
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return array_replace_recursive($filters, $saved); |
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} |
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/** |
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* Implements hook "module.enable.after" |
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*/ |
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public function hookModuleEnableAfter() |
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{ |
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$this->getLibrary()->clearCache(); |
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} |
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/** |
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* Implements hook "module.disable.after" |
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*/ |
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public function hookModuleDisableAfter() |
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{ |
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$this->getLibrary()->clearCache(); |
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} |
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/** |
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* Implements hook "module.install.after" |
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*/ |
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public function hookModuleInstallAfter() |
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{ |
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$this->getLibrary()->clearCache(); |
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} |
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/** |
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* Implements hook "module.uninstall.after" |
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*/ |
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public function hookModuleUninstallAfter() |
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{ |
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$this->getLibrary()->clearCache(); |
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$this->config->reset('module_filter_filters'); |
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} |
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} |
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gplcart /
filter
