sergiotarxz/Wordpress
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

added discover_pingback_server_uri, should dramatically speed things up

Browse Source 
git-svn-id: https://develop.svn.wordpress.org/trunk@1709 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
michelvaldrighi 2004-09-24 17:29:25 +00:00
parent 4e644c8b52
commit 9292898d64
1 changed files with 94 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

169
wp-includes/functions.php
View File

@ -638,17 +638,13 @@ function pingback($content, $post_ID) {
// original code by Mort (http://mort.mine.nu:8080) // original code by Mort (http://mort.mine.nu:8080)
$log = debug_fopen('./pingback.log', 'a'); $log = debug_fopen('./pingback.log', 'a');
$post_links = array(); $post_links = array();
debug_fwrite($log, 'BEGIN '.time()."\n"); debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n");
// Variables // Variables
$ltrs = '\w'; $ltrs = '\w';
$gunk = '/#~:.?+=&%@!\-'; $gunk = '/#~:.?+=&%@!\-';
$punc = '.:?\-'; $punc = '.:?\-';
$any = $ltrs.$gunk.$punc; $any = $ltrs.$gunk.$punc;
$pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = 'rel=\'pingback\'';
$x_pingback_str = 'x-pingback: ';
$pingback_href_original_pos = 27;
// Step 1 // Step 1
// Parsing the post, external links (if any) are stored in the $post_links array // Parsing the post, external links (if any) are stored in the $post_links array
@ -679,78 +675,11 @@ function pingback($content, $post_ID) {
} }
foreach ($post_links as $pagelinkedto){ foreach ($post_links as $pagelinkedto){
debug_fwrite($log, 'Processing -- '.$pagelinkedto."\n\n");
$bits = parse_url($pagelinkedto); debug_fwrite($log, "Processing -- $pagelinkedto\n");
if (!isset($bits['host'])) { $pingback_server_url = discover_pingback_server_uri($pagelinkedto, 2048);
debug_fwrite($log, 'Couldn\'t find a hostname for '.$pagelinkedto."\n\n");
continue;
}
$host = $bits['host'];
$path = isset($bits['path']) ? $bits['path'] : '';
if (isset($bits['query'])) {
$path .= '?'.$bits['query'];
}
if (!$path) {
$path = '/';
}
$port = isset($bits['port']) ? $bits['port'] : 80;
// Try to connect to the server at $host if($pingback_server_url) {
$fp = fsockopen($host, $port, $errno, $errstr, 3);
if (!$fp) {
debug_fwrite($log, 'Couldn\'t open a connection to '.$host."\n\n");
continue;
}
// Send the GET request
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version PHP/" . phpversion() . "\r\n\r\n";
ob_end_flush();
fputs($fp, $request);
// Start receiving headers and content
$contents = '';
$headers = '';
$gettingHeaders = true;
$found_pingback_server = 0;
while (!feof($fp)) {
$line = fgets($fp, 4096);
if (trim($line) == '') {
$gettingHeaders = false;
}
if (!$gettingHeaders) {
$contents .= trim($line)."\n";
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
} else {
$headers .= trim($line)."\n";
$x_pingback_header_offset = strpos(strtolower($headers), $x_pingback_str);
}
if ($x_pingback_header_offset) {
preg_match('#x-pingback: (.+)#is', $headers, $matches);
$pingback_server_url = trim($matches[1]);
debug_fwrite($log, "Pingback server found from X-Pingback header @ $pingback_server_url\n");
$found_pingback_server = 1;
break;
}
if ($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, $pingback_server_url_len);
debug_fwrite($log, "Pingback server found from Pingback <link /> tag @ $pingback_server_url\n");
$found_pingback_server = 1;
break;
}
}
if (!$found_pingback_server) {
debug_fwrite($log, "Pingback server not found\n\n*************************\n\n");
@fclose($fp);
} else {
// Now, the RPC call // Now, the RPC call
$method = 'pingback.ping'; $method = 'pingback.ping';
@ -778,6 +707,96 @@ function pingback($content, $post_ID) {
debug_fclose($log); debug_fclose($log);
} }
function discover_pingback_server_uri($url, $timeout_bytes = 2048) {
$byte_count = 0;
$contents = '';
$headers = '';
$pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = 'rel=\'pingback\'';
$x_pingback_str = 'x-pingback: ';
$pingback_href_original_pos = 27;
extract(parse_url($url));
if (!isset($host)) {
// Not an URL. This should never happen.
return false;
}
$path = (!isset($path)) ? '/' : $path;
$path .= (isset($query)) ? '?'.$query : '';
$port = (isset($port)) ? $port : 80;
// Try to connect to the server at $host
$fp = fsockopen($host, $port, $errno, $errstr, 3);
if (!$fp) {
// Couldn't open a connection to $host;
return false;
}
// Send the GET request
$request = "GET $path HTTP/1.1\r\nHost: $host\r\nUser-Agent: WordPress/$wp_version PHP/" . phpversion() . "\r\n\r\n";
ob_end_flush();
fputs($fp, $request);
// Let's check for an X-Pingback header first
while (!feof($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]);
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, $pingback_server_url_len);
// We may find rel="pingback" but an incomplete pingback URI
if ($pingback_server_url_len > 0) {
// We got it!
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.)
return false;
}
}
// We didn't find anything.
return false;
}
/* wp_set_comment_status: /* wp_set_comment_status:
part of otaku42's comment moderation hack part of otaku42's comment moderation hack
changes the status of a comment according to $comment_status. changes the status of a comment according to $comment_status.