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<?php |
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/** |
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* TextSanitizer extension |
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* |
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* You may not change or alter any portion of this comment or credits |
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* of supporting developers from this source code or any supporting source code |
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* which is considered copyrighted (c) material of the original comment or credit authors. |
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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. |
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* |
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* @copyright (c) 2000-2025 XOOPS Project (https://xoops.org) |
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* @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) |
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* @package class |
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* @subpackage textsanitizer |
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* @since 2.3.0 |
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* @author Taiwen Jiang <[email protected]> |
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*/ |
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defined('XOOPS_ROOT_PATH') || exit('Restricted access'); |
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/** |
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* Class MytsSyntaxhighlight |
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*/ |
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class MytsSyntaxhighlight extends MyTextSanitizerExtension |
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{ |
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/** |
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* @param MyTextSanitizer $myts |
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* @param $source |
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* @param $language |
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* |
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* @return bool|mixed|string |
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*/ |
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public function load($myts, $source, $language) |
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{ |
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$config = parent::loadConfig(__DIR__); |
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if (empty($config['highlight'])) { |
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return "<pre>{$source}</pre>"; |
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} |
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$source = $myts->undoHtmlSpecialChars($source); |
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$source = stripslashes($source); |
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$source = $this->php($source); |
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return $source; |
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} |
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/** |
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* @param $text |
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* |
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* @return mixed|string |
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*/ |
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public function php($text) |
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{ |
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$text = trim($text); |
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$addedtag_open = 0; |
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if (!strpos($text, '<?php') && (substr($text, 0, 5) !== '<?php')) { |
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$text = '<?php ' . $text; |
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$addedtag_open = 1; |
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} |
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$addedtag_close = 0; |
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if (!strpos($text, '?>')) { |
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$text .= '?>'; |
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$addedtag_close = 1; |
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} |
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$oldlevel = error_reporting(0); |
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//There is a bug in the highlight function(php < 5.3) that it doesn't render |
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//backslashes properly like in \s. So here we replace any backslashes |
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$text = str_replace("\\", 'XxxX', $text); |
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$buffer = highlight_string($text, true); // Require PHP 4.20+ |
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//Placing backspaces back again |
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$buffer = str_replace('XxxX', "\\", $buffer); |
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error_reporting($oldlevel); |
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$pos_open = $pos_close = 0; |
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if ($addedtag_open) { |
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$pos_open = strpos($buffer, '<?php '); |
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} |
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if ($addedtag_close) { |
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$pos_close = strrpos($buffer, '?>'); |
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} |
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$str_open = $addedtag_open ? substr($buffer, 0, $pos_open) : ''; |
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$str_close = $pos_close ? substr($buffer, $pos_close + 5) : ''; |
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$length_open = $addedtag_open ? $pos_open + 14 : 0; |
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$length_text = $pos_close ? $pos_close - $length_open : 0; |
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$str_internal = $length_text ? substr($buffer, $length_open, $length_text) : substr($buffer, $length_open); |
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$buffer = $str_open . $str_internal . $str_close; |
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return $buffer; |
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} |
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} |
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.