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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 2008-09-27 21:40:09 +00:00
parent 72a97b5f8a
commit 7aa23c8b4f
1 changed files with 40 additions and 90 deletions
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130
wp-includes/comment.php
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@ -1051,93 +1051,53 @@ function wp_update_comment_count_now($post_id) {
* check for the rel="pingback" has more overhead than just the header. * check for the rel="pingback" has more overhead than just the header.
* *
* @since 1.5.0 * @since 1.5.0
* @uses $wp_version
* *
* @param string $url URL to ping. * @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 $deprecated Not Used.
* @return bool|string False on failure, string containing URI on success. * @return bool|string False on failure, string containing URI on success.
*/ */
function discover_pingback_server_uri($url, $timeout_bytes = 2048) { function discover_pingback_server_uri($url, $deprecated = 2048) {
global $wp_version;
$byte_count = 0;
$contents = '';
$headers = '';
$pingback_str_dquote = 'rel="pingback"'; $pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = '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; return false;
$path = ( !isset($path) ) ? '/' : $path; $response = wp_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.1' ) );
$path .= ( isset($query) ) ? '?' . $query : '';
$port = ( isset($port) ) ? $port : 80;
// Try to connect to the server at $host if ( is_wp_error( $response ) )
$fp = @fsockopen($host, $port, $errno, $errstr, 2);
if ( !$fp ) // Couldn't open a connection to $host
return false; return false;
// Send the GET request if ( isset( $response['headers']['x-pingback'] ) )
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version \r\n\r\n"; return $response['headers']['x-pingback'];
// ob_end_flush();
fputs($fp, $request);
// Let's check for an X-Pingback header first // Not an (x)html, sgml, or xml page, no use going further.
while ( !feof($fp) ) { if ( isset( $response['headers']['content-type'] ) && preg_match('#(image|audio|video|model)/#is', $response['headers']['content-type']) )
$line = fgets($fp, 512); return false;
if ( trim($line) == '' )
break; $contents = $response['body'];
$headers .= trim($line)."\n";
$x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str); $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
if ( $x_pingback_header_offset ) { $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
// We got it! if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
preg_match('#x-pingback: (.+)#is', $headers, $matches); $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
$pingback_server_url = trim($matches[1]); $pingback_link_offset = ($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; 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($fp);
return false; return false;
} }
@ -1332,7 +1292,6 @@ function privacy_ping_filter($sites) {
* *
* @since 0.71 * @since 0.71
* @uses $wpdb * @uses $wpdb
* @uses $wp_version WordPress version
* *
* @param string $trackback_url URL to send trackbacks. * @param string $trackback_url URL to send trackbacks.
* @param string $title Title of post. * @param string $title Title of post.
@ -1341,32 +1300,23 @@ function privacy_ping_filter($sites) {
* @return mixed Database query from update. * @return mixed Database query from update.
*/ */
function trackback($trackback_url, $title, $excerpt, $ID) { function trackback($trackback_url, $title, $excerpt, $ID) {
global $wpdb, $wp_version; global $wpdb;
if ( empty($trackback_url) ) if ( empty($trackback_url) )
return; return;
$title = urlencode($title); $options = array();
$excerpt = urlencode($excerpt); $options['timeout'] = 4;
$blog_name = urlencode(get_option('blogname')); $options['body'] = array(
$tb_url = $trackback_url; 'title' => urlencode($title),
$url = urlencode(get_permalink($ID)); 'url' => urlencode(get_permalink($ID)),
$query_string = "title=$title&url=$url&blog_name=$blog_name&excerpt=$excerpt"; 'blog_name' => urlencode(get_option('blogname')),
$trackback_url = parse_url($trackback_url); 'excerpt' => urlencode($excerpt)
$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);
$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) ); $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) ); return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_url', '')) WHERE ID = %d", $ID) );
} }