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<?php |
| 2 |
/* |
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Plugin Name: CryptX |
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Plugin URI: http://weber-nrw.de/wordpress/cryptx/ |
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Description: No more SPAM by spiders scanning you site for email adresses. With CryptX you can hide all your email adresses, with and without a mailto-link, by converting them using javascript or UNICODE. Although you can choose to add a mailto-link to all unlinked email adresses with only one klick at the settings. That's great, isn't it? |
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Version: 2.0 |
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Author: Ralf Weber |
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Author URI: http://weber-nrw.de/ |
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*/ |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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/** |
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* @internal prevent from direct calls |
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*/ |
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if (!defined('ABSPATH')) { |
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return ; |
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} |
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|
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/** |
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* @internal prevent from second inclusion |
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*/ |
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if (!class_exists('cryptX')) { |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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load_plugin_textdomain('cryptx', PLUGINDIR . '/' . dirname(plugin_basename (__FILE__)) . '/languages'); |
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|
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$cryptX_var = (array) get_option('cryptX'); |
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|
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/** |
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* "CryptX" WordPress Plugin |
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* |
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* @author Ralf Weber <ralf@weber-nrw.de> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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*/ |
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Class cryptX { |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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/** |
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* Constructor |
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* |
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* This constructor attaches the needer plugin hook callbacks |
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*/ |
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function cryptX() { |
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|
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global $cryptX_var; |
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|
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// attach the converstion handlers |
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// |
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if (@$cryptX_var[theContent]) { |
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$this->_filter('the_content'); |
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} |
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if (@$cryptX_var[theExcerpt]) { |
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$this->_filter('the_excerpt'); |
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} |
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if (@$cryptX_var[commentText]) { |
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$this->_filter('comment_text'); |
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} |
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|
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// attach to admin menu |
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// |
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if (is_admin()) { |
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add_action('admin_menu', |
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array(&$this, '_menu') |
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); |
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} |
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|
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// attach to plugin installation |
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// |
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add_action( |
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'activate_' . str_replace( |
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DIRECTORY_SEPARATOR, '/', |
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str_replace( |
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realpath(ABSPATH . PLUGINDIR) . DIRECTORY_SEPARATOR, |
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'', __FILE__ |
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) |
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), |
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array(&$this, '_install') |
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); |
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|
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// attach javascript to Header |
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// |
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if (@$cryptX_var[java]) { |
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add_action( |
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'wp_head', |
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array(&$this, '_header') |
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); |
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} |
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|
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} // End function |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _filter($apply) |
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{ |
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global $cryptX_var; |
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|
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if (@$cryptX_var[autolink]) { |
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add_filter($apply, |
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array(&$this, '_autolink')); |
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} |
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if (@$cryptX_var[java]) { |
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add_filter($apply, |
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array(&$this, '_encrypt')); |
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} else { |
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add_filter($apply, |
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array(&$this, '_unicode')); |
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} |
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|
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _linktext($txt) |
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{ |
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global $cryptX_var; |
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|
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switch ($cryptX_var[opt_linktext]) { |
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|
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case 1: // alternative text for mail link |
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$linktext = $cryptX_var[alt_linktext]; |
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break; |
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|
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case 2: // alternative image for mail link |
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$linktext = "<img src=\"" . $cryptX_var[alt_linkimage] . "\" class=\"cryptxImage\" alt=\"" . $cryptX_var[alt_linkimage_title] . "\" title=\"" . $cryptX_var[alt_linkimage_title] . "\">"; |
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break; |
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|
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case 3: // uploaded image for mail link |
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$imgurl = "/" . PLUGINDIR . "/" . dirname(plugin_basename (__FILE__)) . "/images/" . $cryptX_var[alt_uploadedimage]; |
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$linktext = "<img src=\"" . $imgurl . "\" class=\"cryptxImage\" alt=\"" . $cryptX_var[http_linkimage_title] . "\" title=\"" . $cryptX_var[http_linkimage_title] . "\">"; |
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break; |
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|
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case 4: // text scrambled by antispambot |
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$linktext = antispambot($txt); |
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break; |
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|
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default: |
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$linktext = str_replace( "@", $cryptX_var[at], $txt); |
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$linktext = str_replace( ".", $cryptX_var[dot], $linktext); |
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|
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} |
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|
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return $linktext; |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _dirImages() |
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{ |
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$dir = $_SERVER["DOCUMENT_ROOT"].'/'.PLUGINDIR.'/'.dirname(plugin_basename (__FILE__)).'/images'; |
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$fh = opendir($dir); //Verzeichnis |
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echo "<!-- ".$fh." -->"; |
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$verzeichnisinhalt = array(); |
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while (true == ($file = readdir($fh))) |
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{ |
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echo "<!-- ".$file." -->"; |
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if ((substr(strtolower($file), -3)=="jpg") or (substr(strtolower($file), -3)=="gif")) //Abfrage nach g�ltigen Datenformat |
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{ |
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$verzeichnisinhalt[] = $file; |
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} |
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} |
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return $verzeichnisinhalt; |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _encrypt($content) |
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{ |
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global $cryptX_var; |
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|
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preg_match_all('/<a[^>]*href=["|\'](.*)["|\'].*>(.*)<\/a>/iUs', $content, $links, PREG_SET_ORDER); |
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|
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foreach( $links as $link ) { |
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|
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if(preg_match('/mailto:(.*)/', $link[1], $mail)) { |
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$crypt = ''; |
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$ascii = 0; |
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for ($i = 0; $i < strlen( $mail[1] ); $i++) { |
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$ascii = ord ( substr ( $mail[1], $i ) ); |
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if (8364 <= $char) { |
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$ascii = 128; |
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} |
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$crypt .= chr($ascii + 1); |
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} |
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$temp = str_replace( $link[1], "javascript:DeCryptX('" . $crypt . "')", $link[0]); |
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$temp = str_replace( $link[2], $this->_linktext($link[2]), $temp); |
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$content = str_replace( $link[0], $temp, $content); |
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} |
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|
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} // foreach |
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|
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|
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return $content; |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _unicode($content) |
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{ |
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global $cryptX_var; |
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|
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preg_match_all('/<a[^>]*href=["|\'](.*)["|\'].*>(.*)<\/a>/iUs', $content, $links, PREG_SET_ORDER); |
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|
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foreach( $links as $link ) { |
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|
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if(preg_match('/mailto:(.*)/', $link[1], $mail)) { |
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$mailto = "mailto:" . $mail[1]; |
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/* |
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$crypt = ''; |
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for ($i = 0; $i < strlen( $mailto ); $i++) { |
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$crypt .= "&#" . ord ( substr ( $mailto, $i ) ) . ";"; |
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} |
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$content = str_replace( $mailto, $crypt, $content); |
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*/ |
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$content = str_replace( $mailto, antispambot($mailto), $content); |
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$content = str_replace( $link[2], $this->_linktext($link[2]), $content); |
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} |
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|
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} // foreach |
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return $content; |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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function _autolink($content) { |
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|
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$src[]="/([\s])([_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*(\.[a-zA-Z]{2,}))/si"; |
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$src[]="/(>)([_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*(\.[a-zA-Z]{2,}))(<)/si"; |
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$src[]="/^([_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*(\.[a-zA-Z]{2,}))/si"; |
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$src[]="/(<a[^>]*>)<a[^>]*>/"; |
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$src[]="/(<\/A>)<\/A>/i"; |
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|
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$tar[]="\\1<a href=\"mailto:\\2\">\\2</a>"; |
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$tar[]="\\1<a href=\"mailto:\\2\">\\2</a>\\6"; |
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$tar[]="<a href=\"mailto:\\0\">\\0</a>"; |
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$tar[]="\\1"; |
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$tar[]="\\1"; |
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|
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$content = preg_replace($src,$tar,$content); |
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|
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return $content; |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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|
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function _install() { |
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add_option( |
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'cryptX', |
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array( |
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'at' => ' [at] ', |
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'dot' => ' [dot] ', |
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'theContent' => 1, |
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'theExcerpt' => 0, |
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'commentText' => 1, |
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'java' => 1, |
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'opt_linktext' => 0, |
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) |
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); |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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/** |
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* Attach the menu page to the `Options` tab |
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*/ |
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function _header() |
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{ |
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$cryptX_script.= "<script type=\"text/javascript\" src=\"" . get_option('siteurl') . '/' . PLUGINDIR . '/' . dirname(plugin_basename (__FILE__)) . "/js/cryptx.js\"></script>\n"; |
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print($cryptX_script); |
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} |
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|
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// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
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|
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/** |
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* Attach the menu page to the `Options` tab |
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*/ |
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function _menu() { |
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add_options_page( |
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'CryptX', |
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(version_compare($GLOBALS['wp_version'], '2.6.999', '>') ? '<img src="' .@plugins_url('cryptx/icon.png'). '" width="10" height="10" alt="CryptX Icon" />' : ''). 'CryptX', |
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9, |
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__FILE__, |
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array( |
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$this, |
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'_submenu' |
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) |
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); |
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} |
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|
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/** |
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* Handles and renders the menu page |
| 295 |
*/ |
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function _submenu() { |
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global $cryptX_var; |
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|
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if (isset($_POST) && !empty($_POST)) { |
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if (function_exists('current_user_can') === true && (current_user_can('manage_options') === false || current_user_can('edit_plugins') === false)) { |
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wp_die("You don't have permission to access!"); |
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} |
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check_admin_referer('cryptX'); |
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update_option( 'cryptX', $_POST['cryptX_var']); |
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$cryptX_var = (array) get_option('cryptX'); // reread Options |
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?> |
| 307 |
<div id="message" class="updated fade"> |
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<p><strong><?php _e('Settings saved.') ?></strong></p> |
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</div> |
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<?php } ?> |
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|
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<div class="wrap"> |
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<?php if (version_compare($GLOBALS['wp_version'], '2.6.999', '>')) { ?> |
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<div class="icon32" style="background: url(<?php echo @plugins_url('cryptx/icon32.png') ?>) no-repeat"><br /></div> |
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<?php } ?> |
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<h2>CryptX</h2> |
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|
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<form method="post" action=""> |
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|
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<?php wp_nonce_field('cryptX') ?> |
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|
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<div id="poststuff" class="ui-sortable"> |
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<div id="wp_seo_about_wpseo" class="postbox"> |
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|
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<h3><?php _e("Presentation",'cryptx'); ?></h3> |
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|
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<div class="inside"> |
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<table class="form-table"> |
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<tr valign="top"> |
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<td><input name="cryptX_var[opt_linktext]" type="radio" id="opt_linktext" value="0" <?php echo ($cryptX_var[opt_linktext] == 0) ? 'checked="checked"' : ''; ?> /></td> |
| 331 |
<th scope="row"><label for="cryptX_var[at]"><?php _e("Replacement for '@'",'cryptx'); ?></label></th> |
| 332 |
<td><input name="cryptX_var[at]" value="<?php echo $cryptX_var[at]; ?>" type="text" class="regular-text" /></td> |
| 333 |
</tr> |
| 334 |
<tr valign="top"> |
| 335 |
<td> </td> |
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<th scope="row"><label for="cryptX_var[dot]"><?php _e("Replacement for '.'",'cryptx'); ?></label></th> |
| 337 |
<td><input name="cryptX_var[dot]" value="<?php echo $cryptX_var[dot]; ?>" type="text" class="regular-text" /></td> |
| 338 |
</tr> |
| 339 |
<tr valign="top"> |
| 340 |
<td scope="row"><input type="radio" name="cryptX_var[opt_linktext]" id="opt_linktext2" value="1" <?php echo ($cryptX_var[opt_linktext] == 1) ? 'checked="checked"' : ''; ?>/></td> |
| 341 |
<th><label for="cryptX_var[alt_linktext]"><?php _e("Text for link",'cryptx'); ?></label></th> |
| 342 |
<td><input name="cryptX_var[alt_linktext]" value="<?php echo $cryptX_var[alt_linktext]; ?>" type="text" class="regular-text" /></td> |
| 343 |
</tr> |
| 344 |
<tr valign="top"> |
| 345 |
<td scope="row"><input type="radio" name="cryptX_var[opt_linktext]" id="opt_linktext3" value="2" <?php echo ($cryptX_var[opt_linktext] == 2) ? 'checked="checked"' : ''; ?>/></td> |
| 346 |
<th><label for="cryptX_var[alt_linkimage]"><?php _e("Image-URL",'cryptx'); ?></label></th> |
| 347 |
<td><input name="cryptX_var[alt_linkimage]" value="<?php echo $cryptX_var[alt_linkimage]; ?>" type="text" class="regular-text" /></td> |
| 348 |
</tr> |
| 349 |
<tr valign="top"> |
| 350 |
<td scope="row"> </td> |
| 351 |
<th><label for="cryptX_var[http_linkimage_title]"><?php _e("Title-Tag for the Image",'cryptx'); ?></label></th> |
| 352 |
<td><input name="cryptX_var[http_linkimage_title]" value="<?php echo $cryptX_var[http_linkimage_title]; ?>" type="text" class="regular-text" /></td> |
| 353 |
</tr> |
| 354 |
<tr valign="top"> |
| 355 |
<td scope="row"><input type="radio" name="cryptX_var[opt_linktext]" id="opt_linktext4" value="3" <?php echo ($cryptX_var[opt_linktext] == 3) ? 'checked="checked"' : ''; ?>/></td> |
| 356 |
<th><label for="cryptX_var[alt_uploadedimage]"><?php _e("Select image from folder",'cryptx'); ?></label></th> |
| 357 |
<td><select name="cryptX_var[alt_uploadedimage]" onchange="cryptX_bild_wechsel(this)"> |
| 358 |
<?php foreach($this->_dirImages() as $image) { |
| 359 |
$FirstIMG = (!isset($FirstIMG))? plugins_url('cryptx/images/').$image : ($cryptX_var[alt_uploadedimage] == plugins_url('cryptx/images/').$image) ? plugins_url('cryptx/images/').$image : $FirstIMG; |
| 360 |
?> |
| 361 |
<option value="<?php echo plugins_url('cryptx/images/').$image; ?>" <?php echo ($cryptX_var[alt_uploadedimage] == plugins_url('cryptx/images/').$image) ? 'selected' : ''; ?> ><?php echo $image; ?></option> |
| 362 |
<?php } ?> |
| 363 |
</select> <img src="<?php echo $FirstIMG; ?>" id="cryptXmailTo"></td> |
| 364 |
</tr> |
| 365 |
<tr valign="top"> |
| 366 |
<td> </td> |
| 367 |
<th><label for="cryptX_var[alt_linkimage_title]"><?php _e("Title-Tag for the Image",'cryptx'); ?></label></th> |
| 368 |
<td><input name="cryptX_var[alt_linkimage_title]" value="<?php echo $cryptX_var[alt_linkimage_title]; ?>" type="text" class="regular-text" /> |
| 369 |
<span class="setting-description"><?php _e("Upload your favorite email-image to ../plugins/cryptx/images. Only .jpg and .gif Supported!",'cryptx'); ?></span></td> |
| 370 |
</tr> |
| 371 |
<tr valign="top"> |
| 372 |
<td scope="row"><input type="radio" name="cryptX_var[opt_linktext]" id="opt_linktext" value="4" <?php echo ($cryptX_var[opt_linktext] == 4) ? 'checked="checked"' : ''; ?>/></td> |
| 373 |
<th colspan="2"><?php _e("Text scrambled by AntiSpamBot (<small>Try it and look at your site and check the html source!</small>)",'cryptx'); ?></th> |
| 374 |
</tr> |
| 375 |
</table> |
| 376 |
</div> |
| 377 |
</div> |
| 378 |
|
| 379 |
<div id="wp_seo_about_wpseo" class="postbox"> |
| 380 |
|
| 381 |
<h3><?php _e("General",'cryptx'); ?></h3> |
| 382 |
|
| 383 |
<div class="inside"> |
| 384 |
<table class="form-table"> |
| 385 |
<tr valign="top"> |
| 386 |
<th scope="row"><?php _e("Apply CryptX to...",'cryptx'); ?></th> |
| 387 |
<td><input name="cryptX_var[theContent]" <?php echo ($cryptX_var[theContent]) ? 'checked="checked"' : ''; ?> type="checkbox" /> <?php _e("Content",'cryptx'); ?><br/> |
| 388 |
<input name="cryptX_var[theExcerpt]" <?php echo ($cryptX_var[theExcerpt]) ? 'checked="checked"' : ''; ?> type="checkbox" /> <?php _e("Excerpt",'cryptx'); ?><br/> |
| 389 |
<input name="cryptX_var[commentText]" <?php echo ($cryptX_var[commentText]) ? 'checked="checked"' : ''; ?> type="checkbox" /> <?php _e("Comments",'cryptx'); ?></td> |
| 390 |
</tr> |
| 391 |
<tr valign="top"> |
| 392 |
<th scope="row"><?php _e("Type of decryption",'cryptx'); ?></th> |
| 393 |
<td><input name="cryptX_var[java]" <?php echo ($cryptX_var[java]) ? 'checked="checked"' : ''; ?> type="radio" value="1" /> <?php _e("Use javascript to hide the Email-Link.",'cryptx'); ?><br/> |
| 394 |
<input name="cryptX_var[java]" <?php echo (!$cryptX_var[java]) ? 'checked="checked"' : ''; ?> type="radio" value="0" /> <?php _e("Use Unicode to hide the Email-Link.",'cryptx'); ?></td> |
| 395 |
</tr> |
| 396 |
<tr valign="top"> |
| 397 |
<th scope="row" colspan="2"><input name="cryptX_var[autolink]" <?php echo ($cryptX_var[autolink]) ? 'checked="checked"' : ''; ?> type="checkbox" /> <?php _e("Add mailto to all unlinked email addresses",'cryptx'); ?></th> |
| 398 |
</tr> |
| 399 |
</table> |
| 400 |
|
| 401 |
</div> |
| 402 |
</div> |
| 403 |
<p><input type="submit" name="cryptX" class="button-primary" value="<?php _e('Save Changes') ?>" /></p> |
| 404 |
</div> |
| 405 |
|
| 406 |
</form> |
| 407 |
|
| 408 |
<script type="text/javascript"> |
| 409 |
<!-- |
| 410 |
function cryptX_bild_wechsel(select){ |
| 411 |
document.getElementById("cryptXmailTo").src = select.options[select.options.selectedIndex].value; |
| 412 |
return true; |
| 413 |
} //--> |
| 414 |
</script> |
| 415 |
|
| 416 |
</div> |
| 417 |
<?php |
| 418 |
} |
| 419 |
|
| 420 |
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- |
| 421 |
|
| 422 |
|
| 423 |
//--end-of-class |
| 424 |
} |
| 425 |
|
| 426 |
} |
| 427 |
|
| 428 |
///////////////////////////////////////////////////////////////////////////// |
| 429 |
|
| 430 |
/** |
| 431 |
* Initiating the plugin... |
| 432 |
* @see cryptX |
| 433 |
*/ |
| 434 |
new cryptX; |
| 435 |
|
| 436 |
/** |
| 437 |
* Create Template functions... |
| 438 |
* $content = string to convert |
| 439 |
* $text = string to replace linktext |
| 440 |
* $echo = 0: keep result in a variable, 1: show result |
| 441 |
*/ |
| 442 |
function cryptx( $content, $text="", $css="", $echo=1 ) |
| 443 |
{ |
| 444 |
global $cryptX_var; |
| 445 |
|
| 446 |
$cryptX = new cryptX; |
| 447 |
|
| 448 |
$content = $cryptX->_autolink( $content ); |
| 449 |
|
| 450 |
if(@$cryptX_var[java]) { |
| 451 |
$content = $cryptX->_encrypt( $content ); |
| 452 |
} else { |
| 453 |
$content = $cryptX->_unicode( $content ); |
| 454 |
} |
| 455 |
|
| 456 |
if("" != $text) { |
| 457 |
$content = preg_replace( "/(<a[^>]*>)(.*)(<\/a>)/i", '$1'.$text.'$3', $content ); |
| 458 |
} |
| 459 |
if("" != $css) { |
| 460 |
$content = preg_replace( "/(<a[^>]*)(>)/i", '$1 class="'.$css.'"$2', $content ); |
| 461 |
} |
| 462 |
if(1 == $echo) echo $content; |
| 463 |
|
| 464 |
return $content; |
| 465 |
} |
| 466 |
?> |
| 467 |
|
