스팸글댓글 유입을 줄이려고 링크에 nofollow 추가함
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thisgun
@ -216,11 +216,12 @@ function url_auto_link($str)
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// 140326 유창화님 제안코드로 수정
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// http://sir.kr/pg_lecture/461
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// http://sir.kr/pg_lecture/463
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$attr_nofollow = (function_exists('check_html_link_nofollow') && check_html_link_nofollow('url_auto_link')) ? ' rel="nofollow"' : '';
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$str = str_replace(array("<", ">", "&", """, " ", "'"), array("\t_lt_\t", "\t_gt_\t", "&", "\"", "\t_nbsp_\t", "'"), $str);
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//$str = preg_replace("`(?:(?:(?:href|src)\s*=\s*(?:\"|'|)){0})((http|https|ftp|telnet|news|mms)://[^\"'\s()]+)`", "<A HREF=\"\\1\" TARGET='{$config['cf_link_target']}'>\\1</A>", $str);
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$str = preg_replace("/([^(href=\"?'?)|(src=\"?'?)]|\(|^)((http|https|ftp|telnet|news|mms):\/\/[a-zA-Z0-9\.-]+\.[가-힣\xA1-\xFEa-zA-Z0-9\.:&#!=_\?\/~\+%@;\-\|\,\(\)]+)/i", "\\1<A HREF=\"\\2\" TARGET=\"{$config['cf_link_target']}\">\\2</A>", $str);
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$str = preg_replace("/(^|[\"'\s(])(www\.[^\"'\s()]+)/i", "\\1<A HREF=\"http://\\2\" TARGET=\"{$config['cf_link_target']}\">\\2</A>", $str);
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$str = preg_replace("/[0-9a-z_-]+@[a-z0-9._-]{4,}/i", "<a href=\"mailto:\\0\">\\0</a>", $str);
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$str = preg_replace("/([^(href=\"?'?)|(src=\"?'?)]|\(|^)((http|https|ftp|telnet|news|mms):\/\/[a-zA-Z0-9\.-]+\.[가-힣\xA1-\xFEa-zA-Z0-9\.:&#!=_\?\/~\+%@;\-\|\,\(\)]+)/i", "\\1<A HREF=\"\\2\" TARGET=\"{$config['cf_link_target']}\" $attr_nofollow>\\2</A>", $str);
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$str = preg_replace("/(^|[\"'\s(])(www\.[^\"'\s()]+)/i", "\\1<A HREF=\"http://\\2\" TARGET=\"{$config['cf_link_target']}\" $attr_nofollow>\\2</A>", $str);
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$str = preg_replace("/[0-9a-z_-]+@[a-z0-9._-]{4,}/i", "<a href=\"mailto:\\0\" $attr_nofollow>\\0</a>", $str);
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$str = str_replace(array("\t_nbsp_\t", "\t_lt_\t", "\t_gt_\t", "'"), array(" ", "<", ">", "'"), $str);
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/*
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@ -538,6 +539,9 @@ function conv_content($content, $html, $filter=true)
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return $content;
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}
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function check_html_link_nofollow($type=''){
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return true;
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}
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// http://htmlpurifier.org/
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// Standards-Compliant HTML Filtering
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@ -561,6 +565,7 @@ function html_purifier($html)
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$safeiframe = implode('|', $domains);
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include_once(G5_PLUGIN_PATH.'/htmlpurifier/HTMLPurifier.standalone.php');
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include_once(G5_PLUGIN_PATH.'/htmlpurifier/extend.video.php');
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$config = HTMLPurifier_Config::createDefault();
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// data/cache 디렉토리에 CSS, HTML, URI 디렉토리 등을 만든다.
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$config->set('Cache.SerializerPath', G5_DATA_PATH.'/cache');
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@ -568,8 +573,13 @@ function html_purifier($html)
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$config->set('HTML.SafeObject', false);
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$config->set('Output.FlashCompat', false);
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$config->set('HTML.SafeIframe', true);
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if( (function_exists('check_html_link_nofollow') && check_html_link_nofollow('html_purifier')) ){
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$config->set('HTML.Nofollow', true); // rel=nofollow 으로 스팸유입을 줄임
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}
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$config->set('URI.SafeIframeRegexp','%^(https?:)?//('.$safeiframe.')%');
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$config->set('Attr.AllowedFrameTargets', array('_blank'));
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//유튜브, 비메오 전체화면 가능하게 하기
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$config->set('Filter.Custom', array(new HTMLPurifier_Filter_Iframevideo()));
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$purifier = new HTMLPurifier($config);
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return $purifier->purify($html);
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}
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@ -1213,8 +1223,8 @@ function get_sideview($mb_id, $name='', $email='', $homepage='')
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$tmp_name = "";
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if ($mb_id) {
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//$tmp_name = "<a href=\"".G5_BBS_URL."/profile.php?mb_id=".$mb_id."\" class=\"sv_member\" title=\"$name 자기소개\" target=\"_blank\" onclick=\"return false;\">$name</a>";
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$tmp_name = '<a href="'.G5_BBS_URL.'/profile.php?mb_id='.$mb_id.'" class="sv_member" title="'.$name.' 자기소개" target="_blank" onclick="return false;">';
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//$tmp_name = "<a href=\"".G5_BBS_URL."/profile.php?mb_id=".$mb_id."\" class=\"sv_member\" title=\"$name 자기소개\" rel="nofollow" target=\"_blank\" onclick=\"return false;\">$name</a>";
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$tmp_name = '<a href="'.G5_BBS_URL.'/profile.php?mb_id='.$mb_id.'" class="sv_member" title="'.$name.' 자기소개" target="_blank" rel="nofollow" onclick="return false;">';
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if ($config['cf_use_member_icon']) {
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$mb_dir = substr($mb_id,0,2);
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@ -1241,7 +1251,7 @@ function get_sideview($mb_id, $name='', $email='', $homepage='')
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if(!$bo_table)
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return $name;
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$tmp_name = '<a href="'.G5_BBS_URL.'/board.php?bo_table='.$bo_table.'&sca='.$sca.'&sfl=wr_name,1&stx='.$name.'" title="'.$name.' 이름으로 검색" class="sv_guest" onclick="return false;">'.$name.'</a>';
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$tmp_name = '<a href="'.G5_BBS_URL.'/board.php?bo_table='.$bo_table.'&sca='.$sca.'&sfl=wr_name,1&stx='.$name.'" title="'.$name.' 이름으로 검색" class="sv_guest" rel="nofollow" onclick="return false;">'.$name.'</a>';
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$title_mb_id = '[비회원]';
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}
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66
plugin/htmlpurifier/extend.video.php
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66
plugin/htmlpurifier/extend.video.php
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@ -0,0 +1,66 @@
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<?php
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if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
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//https://stackoverflow.com/questions/4739284/htmlpurifier-iframe-vimeo-and-youtube-video
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/**
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* Based on: http://sachachua.com/blog/2011/08/drupal-html-purifier-embedding-iframes-youtube/
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* Iframe filter that does some primitive whitelisting in a somewhat recognizable and tweakable way
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*/
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if( !class_exists('HTMLPurifier_Filter_Iframevideo') ){
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class HTMLPurifier_Filter_iframevideo extends HTMLPurifier_Filter
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{
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public $name = 'Iframevideo';
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/**
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*
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* @param string $html
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return string
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*/
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public function preFilter($html, $config, $context)
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{
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$html = preg_replace('#<iframe#i', '<img class="Iframevideo"', $html);
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$html = preg_replace('#</iframe>#i', '</img>', $html);
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return $html;
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}
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/**
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*
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* @param string $html
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return string
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*/
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public function postFilter($html, $config, $context)
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{
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$post_regex = '#<img class="Iframevideo"([^>]+?)>#';
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return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html);
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}
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/**
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*
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* @param array $matches
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* @return string
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*/
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protected function postFilterCallback($matches)
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{
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// Domain Whitelist
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$youTubeMatch = preg_match('#src="https?://www.youtube(-nocookie)?.com/#i', $matches[1]);
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$vimeoMatch = preg_match('#src="http://player.vimeo.com/#i', $matches[1]);
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if ($youTubeMatch || $vimeoMatch) {
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$extra = ' frameborder="0"';
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if ($youTubeMatch) {
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$extra .= ' allowfullscreen';
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} elseif ($vimeoMatch) {
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$extra .= ' webkitAllowFullScreen mozallowfullscreen allowFullScreen';
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}
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return '<iframe ' . $matches[1] . $extra . '></iframe>';
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} else {
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return '';
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}
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}
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}
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}
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?>
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