Move the pingbacks and trackbacks to the new HTTP api. See #7793 props jacobsantos.
git-svn-id: http://svn.automattic.com/wordpress/trunk@9012 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
westi
parent
72a97b5f8a
commit
7aa23c8b4f
|
|
@ -1051,93 +1051,53 @@ function wp_update_comment_count_now($post_id) {
|
|||
* check for the rel="pingback" has more overhead than just the header.
|
||||
*
|
||||
* @since 1.5.0
|
||||
* @uses $wp_version
|
||||
*
|
||||
* @param string $url URL to ping.
|
||||
* @param int $timeout_bytes Number of bytes to timeout at. Prevents big file downloads, default is 2048.
|
||||
* @param int $deprecated Not Used.
|
||||
* @return bool|string False on failure, string containing URI on success.
|
||||
*/
|
||||
function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
|
||||
global $wp_version;
|
||||
function discover_pingback_server_uri($url, $deprecated = 2048) {
|
||||
|
||||
$byte_count = 0;
|
||||
$contents = '';
|
||||
$headers = '';
|
||||
$pingback_str_dquote = 'rel="pingback"';
|
||||
$pingback_str_squote = 'rel=\'pingback\'';
|
||||
$x_pingback_str = 'x-pingback: ';
|
||||
|
||||
extract(parse_url($url), EXTR_SKIP);
|
||||
/** @todo Should use Filter Extension or custom preg_match instead. */
|
||||
$parsed_url = parse_url($url);
|
||||
|
||||
if ( !isset($host) ) // Not an URL. This should never happen.
|
||||
if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.
|
||||
return false;
|
||||
|
||||
$path = ( !isset($path) ) ? '/' : $path;
|
||||
$path .= ( isset($query) ) ? '?' . $query : '';
|
||||
$port = ( isset($port) ) ? $port : 80;
|
||||
$response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.1' ) );
|
||||
|
||||
// Try to connect to the server at $host
|
||||
$fp = @fsockopen($host, $port, $errno, $errstr, 2);
|
||||
if ( !$fp ) // Couldn't open a connection to $host
|
||||
if ( is_wp_error( $response ) )
|
||||
return false;
|
||||
|
||||
// Send the GET request
|
||||
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version \r\n\r\n";
|
||||
// ob_end_flush();
|
||||
fputs($fp, $request);
|
||||
if ( isset( $response['headers']['x-pingback'] ) )
|
||||
return $response['headers']['x-pingback'];
|
||||
|
||||
// Let's check for an X-Pingback header first
|
||||
while ( !feof($fp) ) {
|
||||
$line = fgets($fp, 512);
|
||||
if ( trim($line) == '' )
|
||||
break;
|
||||
$headers .= trim($line)."\n";
|
||||
$x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
|
||||
if ( $x_pingback_header_offset ) {
|
||||
// We got it!
|
||||
preg_match('#x-pingback: (.+)#is', $headers, $matches);
|
||||
$pingback_server_url = trim($matches[1]);
|
||||
// Not an (x)html, sgml, or xml page, no use going further.
|
||||
if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) )
|
||||
return false;
|
||||
|
||||
$contents = $response['body'];
|
||||
|
||||
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
|
||||
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
|
||||
if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
|
||||
$quote = ($pingback_link_offset_dquote) ? '"' : '\'';
|
||||
$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
|
||||
$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
|
||||
$pingback_href_start = $pingback_href_pos+6;
|
||||
$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
|
||||
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
|
||||
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
|
||||
|
||||
// We may find rel="pingback" but an incomplete pingback URL
|
||||
if ( $pingback_server_url_len > 0 ) { // We got it!
|
||||
return $pingback_server_url;
|
||||
}
|
||||
if ( strpos(strtolower($headers), 'content-type: ') ) {
|
||||
preg_match('#content-type: (.+)#is', $headers, $matches);
|
||||
$content_type = trim($matches[1]);
|
||||
}
|
||||
}
|
||||
|
||||
if ( preg_match('#(image|audio|video|model)/#is', $content_type) ) // Not an (x)html, sgml, or xml page, no use going further
|
||||
return false;
|
||||
|
||||
while ( !feof($fp) ) {
|
||||
$line = fgets($fp, 1024);
|
||||
$contents .= trim($line);
|
||||
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
|
||||
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
|
||||
if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
|
||||
$quote = ($pingback_link_offset_dquote) ? '"' : '\'';
|
||||
$pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
|
||||
$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
|
||||
$pingback_href_start = $pingback_href_pos+6;
|
||||
$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
|
||||
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
|
||||
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
|
||||
// We may find rel="pingback" but an incomplete pingback URL
|
||||
if ( $pingback_server_url_len > 0 ) { // We got it!
|
||||
fclose($fp);
|
||||
return $pingback_server_url;
|
||||
}
|
||||
}
|
||||
$byte_count += strlen($line);
|
||||
if ( $byte_count > $timeout_bytes ) {
|
||||
// It's no use going further, there probably isn't any pingback
|
||||
// server to find in this file. (Prevents loading large files.)
|
||||
fclose($fp);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// We didn't find anything.
|
||||
fclose($fp);
|
||||
return false;
|
||||
}
|
||||
|
||||
|
|
@ -1332,7 +1292,6 @@ function privacy_ping_filter($sites) {
|
|||
*
|
||||
* @since 0.71
|
||||
* @uses $wpdb
|
||||
* @uses $wp_version WordPress version
|
||||
*
|
||||
* @param string $trackback_url URL to send trackbacks.
|
||||
* @param string $title Title of post.
|
||||
|
|
@ -1341,32 +1300,23 @@ function privacy_ping_filter($sites) {
|
|||
* @return mixed Database query from update.
|
||||
*/
|
||||
function trackback($trackback_url, $title, $excerpt, $ID) {
|
||||
global $wpdb, $wp_version;
|
||||
global $wpdb;
|
||||
|
||||
if ( empty($trackback_url) )
|
||||
return;
|
||||
|
||||
$title = urlencode($title);
|
||||
$excerpt = urlencode($excerpt);
|
||||
$blog_name = urlencode(get_option('blogname'));
|
||||
$tb_url = $trackback_url;
|
||||
$url = urlencode(get_permalink($ID));
|
||||
$query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt";
|
||||
$trackback_url = parse_url($trackback_url);
|
||||
$http_request = 'POST ' . $trackback_url['path'] . ($trackback_url['query'] ? '?'.$trackback_url['query'] : '') . " HTTP/1.0\r\n";
|
||||
$http_request .= 'Host: '.$trackback_url['host']."\r\n";
|
||||
$http_request .= 'Content-Type: application/x-www-form-urlencoded; charset='.get_option('blog_charset')."\r\n";
|
||||
$http_request .= 'Content-Length: '.strlen($query_string)."\r\n";
|
||||
$http_request .= "User-Agent: WordPress/" . $wp_version;
|
||||
$http_request .= "\r\n\r\n";
|
||||
$http_request .= $query_string;
|
||||
if ( '' == $trackback_url['port'] )
|
||||
$trackback_url['port'] = 80;
|
||||
$fs = @fsockopen($trackback_url['host'], $trackback_url['port'], $errno, $errstr, 4);
|
||||
@fputs($fs, $http_request);
|
||||
@fclose($fs);
|
||||
$options = array();
|
||||
$options['timeout'] = 4;
|
||||
$options['body'] = array(
|
||||
'title' => urlencode($title),
|
||||
'url' => urlencode(get_permalink($ID)),
|
||||
'blog_name' => urlencode(get_option('blogname')),
|
||||
'excerpt' => urlencode($excerpt)
|
||||
);
|
||||
|
||||
$tb_url = addslashes( $tb_url );
|
||||
wp_remote_post($trackback_url, $options);
|
||||
|
||||
$tb_url = addslashes( $trackback_url );
|
||||
$wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', '$tb_url') WHERE ID = %d", $ID) );
|
||||
return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) );
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue