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编辑当前文件:/home/provyohx/public_html/plugins__c0c73d1/content/emailcloak/src/Extension/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
 */

namespace Joomla\Plugin\Content\EmailCloak\Extension;

use Joomla\CMS\Event\Content\ContentPrepareEvent;
use Joomla\CMS\Event\CustomFields\AfterPrepareFieldEvent;
use Joomla\CMS\Event\Finder\ResultEvent;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\Event\SubscriberInterface;
use Joomla\String\StringHelper;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Email cloak plugin class.
 *
 * @since  1.5
 */
final class EmailCloak extends CMSPlugin implements SubscriberInterface
{
    /**
     * Returns an array of events this subscriber will listen to.
     *
     * @return  array
     *
     * @since   5.0.0
     */
    public static function getSubscribedEvents(): array
    {
        return [
            'onContentPrepare'                => 'onContentPrepare',
            'onFinderResult'                  => 'onFinderResult',
            'onCustomFieldsAfterPrepareField' => 'onCustomFieldsAfterPrepareField',
        ];
    }

/**
     * Plugin that cloaks all emails in com_finder from spambots via Javascript.
     *
     * @param   ResultEvent  $event  Event instance
     *
     * @return  void
     */
    public function onFinderResult(ResultEvent $event)
    {
        $item = $event->getItem();

// If the item does not have a text property there is nothing to do
        if (!isset($item->description)) {
            return;
        }

$text = $this->cloak($item->description);

if ($text) {
            $item->description = $text;
        }
    }

/**
     * Plugin that cloaks all emails in content from spambots via Javascript.
     *
     * @param   ContentPrepareEvent  $event  Event instance
     *
     * @return  void
     */
    public function onContentPrepare(ContentPrepareEvent $event)
    {
        // Don't run if in the API Application
        // Don't run this plugin when the content is being indexed
        if ($this->getApplication()->isClient('api') || $event->getContext() === 'com_finder.indexer') {
            return;
        }

// Get content item
        $item = $event->getItem();

// If the item does not have a text property there is nothing to do
        if (!isset($item->text)) {
            return;
        }

$text = $this->cloak($item->text);

if ($text) {
            $item->text = $text;
        }
    }

/**
     * Plugin that cloaks all emails in a custom field.
     *
     * @param   AfterPrepareFieldEvent  $event  Event instance
     *
     * @return  void
     */
    public function onCustomFieldsAfterPrepareField(AfterPrepareFieldEvent $event)
    {
        // If the value is empty then there is nothing to do
        if (empty($event->getValue())) {
            return;
        }

$text = $this->cloak($event->getValue());

if ($text) {
            $event->updateValue($text);
        }
    }

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

return $pattern;
    }

/**
     * Cloak all emails in text from spambots via Javascript.
     *
     * @param   string  $text    The string to be cloaked.
     *
     * @return  string
     */
    private function cloak($text)
    {
        /*
         * Check for presence of {emailcloak=off} which explicitly disables the
         * plugin for the item.
         */
        if (StringHelper::strpos($text, '{emailcloak=off}') !== false) {
            return StringHelper::str_ireplace('{emailcloak=off}', '', $text);
        }

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

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

// Example: any@example.org
        $searchEmail = "([\p{L}\p{N}\.\'\-\+\_]+\@(?:[\.\-\p{L}\p{N}]+\.)+(?:[\-\p{L}\p{N}]{2,24}))";

// 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:', '"([\x20-\x7f][^<>]+/)', $pattern);

while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE)) {
            $mail          = $regs[3][0];
            $mailText      = $regs[5][0];
            $attribsBefore = $regs[1][0];
            $attribsAfter  = $regs[4][0];

// Check to see if mail text is different from mail addy
            $replacement = HTMLHelper::_('email.cloak', $mail, $mode, $mailText, 1, $attribsBefore, $attribsAfter);