File class\textsanitizer\censor\censor.php

1:	<?php
2:	/**
3:	* TextSanitizer extension
4:	*
5:	* You may not change or alter any portion of this comment or credits
6:	* of supporting developers from this source code or any supporting source code
7:	* which is considered copyrighted (c) material of the original comment or credit authors.
8:	* This program is distributed in the hope that it will be useful,
9:	* but WITHOUT ANY WARRANTY; without even the implied warranty of
10:	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11:	*
12:	* @copyright (c) 2000-2016 XOOPS Project (www.xoops.org)
13:	* @license GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html)
14:	* @package class
15:	* @subpackage textsanitizer
16:	* @since 2.3.0
17:	* @author Taiwen Jiang <phppp@users.sourceforge.net>
18:	*/
19:	defined('XOOPS_ROOT_PATH') \|\| exit('Restricted access');
20:
21:	/**
22:	* Replaces banned words in a string with their replacements or terminate current request
23:	*
24:	* @param string $text
25:	* @return string
26:	*
27:	*/
28:	class MytsCensor extends MyTextSanitizerExtension
29:	{
30:	/**
31:	* @param MyTextSanitizer $myts
32:	* @param $text
33:	*
34:	* @return mixed\|string
35:	*/
36:	public function load($myts, $text)
37:	{
38:	static $censorConf;
39:	if (!isset($censorConf)) {
40:	/** @var XoopsConfigHandler $config_handler */
41:	$config_handler = xoops_getHandler('config');
42:	$censorConf = $config_handler->getConfigsByCat(XOOPS_CONF_CENSOR);
43:	$config = parent::loadConfig(__DIR__);
44:	//merge and allow config override
45:	$censorConf = array_merge($censorConf, $config);
46:	}
47:
48:	if (empty($censorConf['censor_enable'])) {
49:	return $text;
50:	}
51:
52:	if (empty($censorConf['censor_words'])) {
53:	return $text;
54:	}
55:
56:	if (empty($censorConf['censor_admin']) && $GLOBALS['xoopsUserIsAdmin']) {
57:	return $text;
58:	}
59:
60:	$replacement = $censorConf['censor_replace'];
61:	foreach ($censorConf['censor_words'] as $bad) {
62:	$bad = trim($bad);
63:	if (!empty($bad)) {
64:	if (false === strpos($text, $bad)) {
65:	continue;
66:	}
67:	if (!empty($censorConf['censor_terminate'])) {
68:	trigger_error('Censor words found', E_USER_ERROR);
69:	$text = '';
70:
71:	return $text;
72:	}
73:	$patterns[] = "/(^\|[^0-9a-z_]){$bad}([^0-9a-z_]\|$)/siU";
74:	$replacements[] = "\\1{$replacement}\\2";
75:	$text = preg_replace($patterns, $replacements, $text);
76:	}
77:	}
78:
79:	return $text;
80:	}
81:	}
82:

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