Wordpress/wp-trackback.php

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<?php
require(dirname(__FILE__) . '/wp-config.php');
// trackback is done by a POST
$request_array = 'HTTP_POST_VARS';
$tb_id = explode('/', $HTTP_SERVER_VARS['REQUEST_URI']);
$tb_id = intval($tb_id[count($tb_id)-1]);
$tb_url = $HTTP_POST_VARS['url'];
$title = $HTTP_POST_VARS['title'];
$excerpt = $HTTP_POST_VARS['excerpt'];
$blog_name = $HTTP_POST_VARS['blog_name'];
if (empty($title) && empty($tb_url) && empty($blog_name)) {
// If it doesn't look like a trackback at all...
header('Location: ' . get_permalink($tb_id));
}
if ((strlen(''.$tb_id)) && (empty($HTTP_GET_VARS['__mode'])) && (strlen(''.$tb_url))) {
@header('Content-Type: text/xml');
if (!$use_trackback)
trackback_response(1, 'Sorry, this weblog does not allow you to trackback its posts.');
$pingstatus = $wpdb->get_var("SELECT ping_status FROM $tableposts WHERE ID = $tb_id");
if ('closed' == $pingstatus)
trackback_response(1, 'Sorry, trackbacks are closed for this item.');
$tb_url = addslashes($tb_url);
$title = strip_tags($title);
$title = (strlen($title) > 255) ? substr($title, 0, 252).'...' : $title;
$excerpt = strip_tags($excerpt);
$excerpt = (strlen($excerpt) > 255) ? substr($excerpt, 0, 252).'...' : $excerpt;
$blog_name = htmlspecialchars($blog_name);
$blog_name = (strlen($blog_name) > 255) ? substr($blog_name, 0, 252).'...' : $blog_name;
$comment = '<trackback />';
$comment .= "<strong>$title</strong>\n$excerpt";
$author = addslashes(stripslashes(stripslashes($blog_name)));
$email = '';
$original_comment = $comment;
$comment_post_ID = $tb_id;
$user_ip = $HTTP_SERVER_VARS['REMOTE_ADDR'];
$user_domain = gethostbyaddr($user_ip);
$time_difference = get_settings('time_difference');
$now = current_time('mysql');
$comment = convert_chars($comment);
$comment = format_to_post($comment);
$comment_author = $author;
$comment_author_email = $email;
$comment_author_url = $tb_url;
$author = addslashes($author);
$comment_moderation = get_settings('comment_moderation');
$moderation_notify = get_settings('moderation_notify');
if ('manual' == $comment_moderation) {
$approved = 0;
} else if ('auto' == $comment_moderation) {
$approved = 0;
} else { // none
$approved = 1;
}
$result = $wpdb->query("INSERT INTO $tablecomments
(comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_content, comment_approved)
VALUES
('$comment_post_ID', '$author', '$email', '$tb_url', '$user_ip', '$now', '$comment', '$approved')
");
if (!$result) {
die ("There is an error with the database, it can't store your comment...<br />Please contact the <a href='mailto:$admin_email'>webmaster</a>.");
} else {
$comment_ID = $wpdb->get_var('SELECT last_insert_id()');
if ($comments_notify)
wp_notify_postauthor($comment_ID, 'trackback');
trackback_response(0);
}
}
?>