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编辑当前文件:/home2/sdektunc/.trash/plugins.3/content/emailcloak/emailcloak.php

<?php
/**
 * @package Joomla.Plugin
 * @subpackage Content.emailcloak
 *
 * @copyright (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\String\StringHelper;

/**
 * Email cloack plugin class.
 *
 * @since  1.5
 */
class PlgContentEmailcloak extends CMSPlugin
{
	/**
	 * The Application object
	 *
	 * @var    JApplicationSite
	 * @since  3.9.0
	 */
	protected $app;

/**
	 * Plugin that cloaks all emails in content from spambots via Javascript.
	 *
	 * @param   string   $context  The context of the content being passed to the plugin.
	 * @param   mixed    &$row     An object with a "text" property or the string to be cloaked.
	 * @param   mixed    &$params  Additional parameters. See {@see PlgContentEmailcloak()}.
	 * @param   integer  $page     Optional page number. Unused. Defaults to zero.
	 *
	 * @return  void
	 */
	public function onContentPrepare($context, &$row, &$params, $page = 0)
	{
		if ($this->app->isClient('api'))
		{
			return true;
		}

// Don't run this plugin when the content is being indexed
		if ($context === 'com_finder.indexer')
		{
			return;
		}

if (is_object($row))
		{
			$this->_cloak($row->text, $params);

return;
		}

$this->_cloak($row, $params);
	}

/**
	 * Generate a search pattern based on link and text.
	 *
	 * @param string $link The target of an email link.
	 * @param string $text The text enclosed by the link.
	 *
	 * @return string	A regular expression that matches a link containing the parameters.
	 */
	protected function _getPattern($link, $text)
	{
		$pattern = '~(?:<a ([^>]*)href\s*=\s*"mailto:' . $link . '"([^>]*))>' . $text . '</a>~i';

return $pattern;
	}

/**
	 * Cloak all emails in text from spambots via Javascript.
	 *
	 * @param   string  &$text    The string to be cloaked.
	 * @param   mixed   &$params  Additional parameters. Parameter "mode" (integer, default 1)
	 *                             replaces addresses with "mailto:" links if nonzero.
	 *
	 * @return  void
	 */
	protected function _cloak(&$text, &$params)
	{
		/*
		 * Check for presence of {emailcloak=off} which is explicits disables this
		 * bot for the item.
		 */
		if (StringHelper::strpos($text, '{emailcloak=off}') !== false)
		{
			$text = StringHelper::str_ireplace('{emailcloak=off}', '', $text);

return;
		}

// Simple performance check to determine whether bot should process further.
		if (StringHelper::strpos($text, '@') === false)
		{
			return;
		}

$mode = (int) $this->params->def('mode', 1);
		$mode = $mode === 1;

// Example: any@example.org
		$searchEmail = '([\w\.\'\-\+]+\@(?:[a-z0-9\.\-]+\.)+(?:[a-zA-Z0-9\-]{2,10}))';

// Example: any@example.org?subject=anyText
		$searchEmailLink = $searchEmail . '([?&][\x20-\x7f][^"<>]+)';

// Any Text
		$searchText = '((?:[\x20-\x7f]|[\xA1-\xFF]|[\xC2-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF4][\x80-\xBF]{3})[^<>]+)';

// Any Image link
		$searchImage = '(<img[^>]+>)';

// Any Text with ]+>|||<span[^>]+>|)' . $searchText . '(||)';

// Any address with ]+>|||<span[^>]+>|)' . $searchEmail . '(||)';

/*
		 * Search and fix derivatives of link code <a href="http://mce_host/ourdirectory/email@example.org"
		 * >email@example.org</a>. This happens when inserting an email in TinyMCE, cancelling its suggestion to add
		 * the mailto: prefix...
		 */
		$pattern = $this->_getPattern($searchEmail, $searchEmail);
		$pattern = str_replace('"mailto:', '"http://mce_host([\x20-\x7f][^<>]+/)', $pattern);

while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
		{
			$mail = $regs[3][0];
			$mailText = $regs[5][0];

// Check to see if mail text is different from mail addy
			$replacement = HTMLHelper::_('email.cloak', $mail, $mode, $mailText);