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<?php |
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/** |
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* Clean.php |
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* |
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* -Description- |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* @package LibreNMS |
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* @link http://librenms.org |
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* @copyright 2019 Tony Murray |
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* @author Tony Murray <[email protected]> |
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*/ |
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namespace LibreNMS\Util; |
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use HTMLPurifier; |
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use HTMLPurifier_Config; |
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use LibreNMS\Config; |
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class Clean |
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{ |
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/** |
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* Sanitize file name by removing all invalid characters. |
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* Does not make the string safe for javascript or sql! |
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* |
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* @param string $file |
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* @return string|string[]|null |
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*/ |
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public static function fileName($file) |
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{ |
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return preg_replace('/[^a-zA-Z0-9\-._]/', '', $file); |
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} |
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/** |
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* Sanitize string to only contain alpha, numeric, dashes, and underscores |
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* |
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* @param string $string |
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* @return string |
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*/ |
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public static function alphaDash($string) |
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{ |
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return preg_replace('/[^a-zA-Z0-9\-_]/', '', $string); |
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} |
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/** |
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* Sanitize string to only contain alpha, numeric, dashes, underscores, and spaces |
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* |
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* @param string $string |
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* @return string |
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*/ |
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public static function alphaDashSpace($string) |
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{ |
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return preg_replace('/[^a-zA-Z0-9\-_ ]/', '', $string); |
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} |
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/** |
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* Clean a string for display in an html page. |
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* For use in non-blade pages |
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* |
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* @param $value |
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* @param array $purifier_config (key, value pair) |
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* @return string |
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*/ |
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public static function html($value, $purifier_config = []) |
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{ |
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/** @var HTMLPurifier $purifier */ |
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static $purifier; |
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// If $purifier_config is non-empty then we don't want |
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// to convert html tags and allow these to be controlled |
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// by purifier instead. |
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if (empty($purifier_config)) { |
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$value = htmlentities($value); |
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} |
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if (!isset($purifier)) { |
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// initialize HTML Purifier here since this is the only user |
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$p_config = HTMLPurifier_Config::createDefault(); |
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$p_config->set('Cache.SerializerPath', Config::get('temp_dir', '/tmp')); |
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foreach ($purifier_config as $k => $v) { |
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$p_config->set($k, $v); |
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} |
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$purifier = new HTMLPurifier($p_config); |
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} |
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return $purifier->purify(stripslashes($value)); |
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} |
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} |
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librenms /
librenms
