Wordpress 2.8-scripts

[autoinstalls/wordpress.git] / wp-trackback.php

diff --git a/wp-trackback.php b/wp-trackback.php
index 4d82f9fc9c43da8b7654265f578b1a3354e75163..58886f8dc574c6924766edbc239498d6a6eb56bf 100644 (file)
--- a/wp-trackback.php
+++ b/wp-trackback.php
@@ -1,10 +1,21 @@
 <?php
 <?php

+/**
+ * Handle Trackbacks and Pingbacks sent to WordPress
+ *
+ * @package WordPress
+ */

 
 if (empty($wp)) {
 
 if (empty($wp)) {

-       require_once('./wp-config.php');
+       require_once('./wp-load.php');

        wp('tb=1');
 }
 
        wp('tb=1');
 }
 

+/**
+ * trackback_response() - Respond with error or success XML message
+ *
+ * @param int|bool $error Whether there was an error or not
+ * @param string $error_message Error message if an error occurred
+ */

 function trackback_response($error = 0, $error_message = '') {
        header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
        if ($error) {
 function trackback_response($error = 0, $error_message = '') {
        header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
        if ($error) {


@@ -43,6 +54,10 @@ if ($charset)
 else
        $charset = 'ASCII, UTF-8, ISO-8859-1, JIS, EUC-JP, SJIS';
 
 else
        $charset = 'ASCII, UTF-8, ISO-8859-1, JIS, EUC-JP, SJIS';
 

+// No valid uses for UTF-7
+if ( false !== strpos($charset, 'UTF-7') )
+       die;
+

 if ( function_exists('mb_convert_encoding') ) { // For international trackbacks
        $title     = mb_convert_encoding($title, get_option('blog_charset'), $charset);
        $excerpt   = mb_convert_encoding($excerpt, get_option('blog_charset'), $charset);
 if ( function_exists('mb_convert_encoding') ) { // For international trackbacks
        $title     = mb_convert_encoding($title, get_option('blog_charset'), $charset);
        $excerpt   = mb_convert_encoding($excerpt, get_option('blog_charset'), $charset);


@@ -69,20 +84,11 @@ if (empty($title) && empty($tb_url) && empty($blog_name)) {
 if ( !empty($tb_url) && !empty($title) ) {
        header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
 
 if ( !empty($tb_url) && !empty($title) ) {
        header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
 

-       $pingstatus = $wpdb->get_var("SELECT ping_status FROM $wpdb->posts WHERE ID = $tb_id");
-
-       if ( 'open' != $pingstatus )
+       if ( !pings_open($tb_id) )

                trackback_response(1, 'Sorry, trackbacks are closed for this item.');
 
                trackback_response(1, 'Sorry, trackbacks are closed for this item.');
 

-       $title =  wp_specialchars( strip_tags( $title ) );
-       $excerpt = strip_tags($excerpt);
-       if ( function_exists('mb_strcut') ) { // For international trackbacks
-               $excerpt = mb_strcut($excerpt, 0, 252, get_option('blog_charset')) . '...';
-               $title = mb_strcut($title, 0, 250, get_option('blog_charset')) . '...';
-       } else {
-               $excerpt = (strlen($excerpt) > 255) ? substr($excerpt, 0, 252) . '...' : $excerpt;
-               $title = (strlen($title) > 250) ? substr($title, 0, 250) . '...' : $title;
-       }
+       $title =  wp_html_excerpt( $title, 250 ).'...';
+       $excerpt = wp_html_excerpt( $excerpt, 252 ).'...';

 
        $comment_post_ID = (int) $tb_id;
        $comment_author = $blog_name;
 
        $comment_post_ID = (int) $tb_id;
        $comment_author = $blog_name;


@@ -91,7 +97,7 @@ if ( !empty($tb_url) && !empty($title) ) {
        $comment_content = "<strong>$title</strong>\n\n$excerpt";
        $comment_type = 'trackback';
 
        $comment_content = "<strong>$title</strong>\n\n$excerpt";
        $comment_type = 'trackback';
 

-       $dupe = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND comment_author_url = '$comment_author_url'");
+       $dupe = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $comment_post_ID, $comment_author_url) );

        if ( $dupe )
                trackback_response(1, 'We already have a ping from that URL for this post.');
 
        if ( $dupe )
                trackback_response(1, 'We already have a ping from that URL for this post.');