Файловый менеджер - Редактировать - /var/www/html/components/com_jdownloads/src/Helper/SearchHelper.php
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<?php /** * @package Joomla.Administrator * @subpackage com_search * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt */ /** * @package jDownloads * @version 4.0 * Some parts from the search component (and search content plugin) adapted and modified to can use it in jDownloads as an internal search function. */ namespace JDownloads\Component\JDownloads\Site\Helper; \defined('_JEXEC') or die; use Joomla\CMS\Factory; use Joomla\String\StringHelper; use Joomla\CMS\Access\Access; use Joomla\CMS\Language\Transliterate; use Joomla\CMS\Language\LanguageHelper; /** * Search helper. * */ class SearchHelper { /** * Configure the Linkbar. * */ public static function addSubmenu($vName) { // Not required. } /** * Gets a list of the actions that can be performed. * * @return JObject */ public static function getActions() { $user = Factory::getApplication()->getIdentity(); $result = new JObject; $assetName = 'com_jdownloads'; $actions = Access::getActions($assetName); foreach ($actions as $action) { $result->set($action->name, $user->authorise($action->name, $assetName)); } return $result; } /** * Sanitise search word. * * @param string &$searchword Search word to be sanitised. * @param string $searchphrase Either 'all', 'any' or 'exact'. * * @return boolean True if search word needs to be sanitised. */ public static function santiseSearchWord(&$searchword, $searchphrase) { $ignored = false; $lang = Factory::getApplication()->getLanguage(); $tag = $lang->getTag(); $search_ignore = $lang->getIgnoredSearchWords(); $ignoreFile = LanguageHelper::getLanguagePath() . '/' . $tag . '/' . $tag.'.ignore.php'; if (file_exists($ignoreFile)) { include $ignoreFile; } // Check for words to ignore. $aterms = explode(' ', StringHelper::strtolower($searchword)); // First case is single ignored word. if (count($aterms) == 1 && in_array(StringHelper::strtolower($searchword), $search_ignore)) { $ignored = true; } // Filter out search terms that are too small. $lower_limit = 3; // $lang->getLowerLimitSearchWord(); foreach ($aterms as $aterm) { if (StringHelper::strlen($aterm) < $lower_limit) { $search_ignore[] = $aterm; } } // Next is to remove ignored words from type 'all' or 'any' (not exact) searches with multiple words. if (count($aterms) > 1 && $searchphrase != 'exact') { $pruned = array_diff($aterms, $search_ignore); $searchword = implode(' ', $pruned); } return $ignored; } /** * Does search word need to be limited? * * @param string &$searchword Search word to be checked. * * @return boolean True if search word should be limited; false otherwise. * * @since 1.5 */ public static function limitSearchWord(&$searchword) { $restriction = false; $lang = Factory::getApplication()->getLanguage(); // limit searchword to a maximum of characters $upper_limit = 50; // $lang->getUpperLimitSearchWord(); if (StringHelper::strlen($searchword) > $upper_limit) { $searchword = StringHelper::substr($searchword, 0, $upper_limit - 1); $restriction = true; } // Searchword must contain a minimum of characters. if ($searchword && StringHelper::strlen($searchword) < 3) { $searchword = ''; $restriction = true; } return $restriction; } /** * Prepares results from search for display * @param string $text The source string. * @param string $searchword The searchword to select around. * * @return string */ public static function prepareSearchContent($text, $searchword) { // Strips tags won't remove the actual jscript. $text = preg_replace("'<script[^>]*>.*?</script>'si", '', $text); $text = preg_replace('/{.+?}/', '', $text); //$text = preg_replace('/<a\s+.*?href="([^"]+)"[^>]*>([^<]+)<\/a>/is','\2', $text); // Replace line breaking tags with whitespace. $text = preg_replace("'<(br[^/>]*?/|hr[^/>]*?/|/(div|h[1-6]|li|p|td))>'si", ' ', $text); return self::_smartSubstr(strip_tags($text), $searchword); } /** * Checks an object for search terms (after stripping fields of HTML) * * @param object The object to check * @param string Search words to check for * @param array List of object variables to check against * @returns boolean True if searchTerm is in object, false otherwise */ public static function checkNoHtml($object, $searchTerm, $fields) { $searchRegex = array( '#<script[^>]*>.*?</script>#si', '#<style[^>]*>.*?</style>#si', '#<!.*?(--|]])>#si', '#<[^>]*>#i' ); $terms = explode(' ', $searchTerm); if (empty($fields)) { return false; } foreach ($fields as $field) { if (!isset($object->$field)) { continue; } $text = self::remove_accents($object->$field); foreach ($searchRegex as $regex) { $text = preg_replace($regex, '', $text); } foreach ($terms as $term) { $term = self::remove_accents($term); if (StringHelper::stristr($text, $term) !== false) { return true; } } } return false; } /** * Transliterates given text to ASCII. * * @param string $str String to remove accents from. * * @return string * * @since 3.2 */ public static function remove_accents($str) { $str = Transliterate::utf8_latin_to_ascii($str); // @TODO: remove other prefixes as well? return preg_replace("/[\"'^]([a-z])/ui", '\1', $str); } /** * Returns substring of characters around a searchword. * * @param string $text The source string. * @param integer $searchword Number of chars to return. * * @return string * * @since 1.5 */ public static function _smartSubstr($text, $searchword) { $lang = Factory::getApplication()->getLanguage(); $length = $lang->getSearchDisplayedCharactersNumber(); $ltext = self::remove_accents($text); $textlen = StringHelper::strlen($ltext); $lsearchword = StringHelper::strtolower(self::remove_accents($searchword)); $wordfound = false; $pos = 0; $length = $length > $textlen ? $textlen : $length; while ($wordfound === false && $pos + $length < $textlen) { if (($wordpos = @StringHelper::strpos($ltext, ' ', $pos + $length)) !== false) { $chunk_size = $wordpos - $pos; } else { $chunk_size = $length; } $chunk = StringHelper::substr($ltext, $pos, $chunk_size); $wordfound = StringHelper::strpos(StringHelper::strtolower($chunk), $lsearchword); if ($wordfound === false) { $pos += $chunk_size + 1; } } if ($wordfound !== false) { // Check if original text is different length than searched text (changed by function self::remove_accents) // Displayed text only, adjust $chunk_size if ($pos === 0) { $iOriLen = StringHelper::strlen(StringHelper::substr($text, 0, $pos + $chunk_size)); $iModLen = StringHelper::strlen(self::remove_accents(StringHelper::substr($text, 0, $pos + $chunk_size))); $chunk_size += $iOriLen - $iModLen; } else { $iOriSkippedLen = StringHelper::strlen(StringHelper::substr($text, 0, $pos)); $iModSkippedLen = StringHelper::strlen(self::remove_accents(StringHelper::substr($text, 0, $pos))); // Adjust starting position $pos if ($iOriSkippedLen !== $iModSkippedLen) { $pos += $iOriSkippedLen - $iModSkippedLen; } $iOriReturnLen = StringHelper::strlen(StringHelper::substr($text, $pos, $chunk_size)); $iModReturnLen = StringHelper::strlen(self::remove_accents(StringHelper::substr($text, $pos, $chunk_size))); if ($iOriReturnLen !== $iModReturnLen) { $chunk_size += $iOriReturnLen - $iModReturnLen; } } $sPre = $pos > 0 ? '... ' : ''; $sPost = ($pos + $chunk_size) >= StringHelper::strlen($text) ? '' : ' ...'; return $sPre . StringHelper::substr($text, $pos, $chunk_size) . $sPost; } else { if (($mbtextlen = StringHelper::strlen($text)) < $length) { $length = $mbtextlen; } if (($wordpos = StringHelper::strpos($text, ' ', $length)) !== false) { return StringHelper::substr($text, 0, $wordpos) . ' ...'; } else { return StringHelper::substr($text, 0, $length); } } } }
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