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Drop pingback/trackback blogroll whitelisting feature. Too many ways to abuse it. props avereha. props vladimir_kolesnikov. fixes #13887 for trunk 

git-svn-id: http://svn.automattic.com/wordpress/trunk@16637 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2010-11-30 22:46:35 +00:00
parent 2911ff8ec3
commit b246fdf17f
1 changed files with 3 additions and 13 deletions
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16
wp-includes/comment.php
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@ -18,9 +18,8 @@
* check fails. If any of the parameter contents match the blacklist of words,
* then the check fails.
*
* If the comment is a trackback and part of the blogroll, then the trackback is
* automatically whitelisted. If the comment author was approved before, then
* the comment is automatically whitelisted.
* If the comment author was approved before, then the comment is
* automatically whitelisted.
*
* If none of the checks fail, then the failback is to set the check to pass
* (return true).
@ -82,16 +81,7 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $
// Comment whitelisting:
if ( 1 == get_option('comment_whitelist')) {
if ( 'trackback' == $comment_type || 'pingback' == $comment_type ) { // check if domain is in blogroll
$uri = parse_url($url);
$domain = $uri['host'];
$uri = parse_url( home_url() );
$home_domain = $uri['host'];
if ( $wpdb->get_var($wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_url LIKE (%s) LIMIT 1", '%'.$domain.'%')) || $domain == $home_domain )
return true;
else
return false;
} elseif ( $author != '' && $email != '' ) {
if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $author != '' && $email != '' ) {
// expected_slashed ($author, $email)
$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
if ( ( 1 == $ok_to_comment ) &&