<?php
-// $Id: tb.inc.php,v 1.19 2005/04/10 08:10:05 henoheno Exp $
+// $Id: tb.inc.php,v 1.20 2005/06/12 03:13:32 henoheno Exp $
/*
* PukiWiki/TrackBack: TrackBack Ping receiver and viewer
- * (C) 2003-2004 PukiWiki Developers Team
+ * (C) 2003-2005 PukiWiki Developers Team
* (C) 2003 Katsumi Saito <katsumi@jo1upk.ymt.prug.or.jp>
* License: GPL
*
* plugin_tb_action() action
- * plugin_tb_save($url, $tb_id) Save or update TrackBack Ping data
- * plugin_tb_return($rc, $msg) Return TrackBack ping via HTTP/XML
- * plugin_tb_mode_rss($tb_id) ?__mode=rss
- * plugin_tb_mode_view($tb_id) ?__mode=view
+ * plugin_tb_save($url, $tb_id) Save or update TrackBack Ping data
+ * plugin_tb_output_response($rc, $msg) Show a response code of the ping via HTTP/XML (then exit)
+ * plugin_tb_output_rsslist($tb_id) Show pings for the page via RSS
+ * plugin_tb_output_htmllist($tb_id) Show pings for the page via XHTML
*/
switch(LANG){
default : define('PLUGIN_TB_LANGUAGE', 'en-us'); break;
}
+// ----
+
+define('PLUGIN_TB_ERROR', 1);
+define('PLUGIN_TB_NOERROR', 0);
+
function plugin_tb_action()
{
- global $vars, $trackback;
+ global $trackback, $vars;
- if (isset($vars['url'])) {
+ if ($trackback && isset($vars['url'])) {
// Receive and save a TrackBack Ping (both GET and POST)
$url = $vars['url'];
$tb_id = isset($vars['tb_id']) ? $vars['tb_id'] : '';
- plugin_tb_save($url, $tb_id); // Send a response (and exit)
+ list($error, $message) = plugin_tb_save($url, $tb_id);
+
+ // Output the response
+ plugin_tb_output_response($error, $message);
+ exit;
} else {
if ($trackback && isset($vars['__mode']) && isset($vars['tb_id'])) {
// Show TrackBacks received (and exit)
switch ($vars['__mode']) {
- case 'rss' : plugin_tb_mode_rss($vars['tb_id']); break;
- case 'view': plugin_tb_mode_view($vars['tb_id']); break;
+ case 'rss' : plugin_tb_output_rsslist($vars['tb_id']); break;
+ case 'view': plugin_tb_output_htmllist($vars['tb_id']); break;
}
- }
+ exit;
- // Show List of pages that TrackBacks reached
- $pages = get_existpages(TRACKBACK_DIR, '.txt');
- if (! empty($pages)) {
- return array('msg'=>'trackback list',
- 'body'=>page_list($pages, 'read', FALSE));
} else {
- return array('msg'=>'', 'body'=>'');
+ // Show List of pages that TrackBacks reached
+ $pages = get_existpages(TRACKBACK_DIR, '.txt');
+ if (! empty($pages)) {
+ return array('msg'=>'Trackback list',
+ 'body'=>page_list($pages, 'read', FALSE));
+ } else {
+ return array('msg'=>'', 'body'=>'');
+ }
}
}
}
if (! $trackback) $die .= 'TrackBack feature disabled. ';
if ($url == '') $die .= 'URL parameter is not set. ';
if ($tb_id == '') $die .= 'TrackBack Ping ID is not set. ';
- if ($die != '') plugin_tb_return(1, $die);
+ if ($die != '') return array(PLUGIN_TB_ERROR, $die);
- if (! file_exists(TRACKBACK_DIR)) plugin_tb_return(1, 'No such directory: TRACKBACK_DIR');
- if (! is_writable(TRACKBACK_DIR)) plugin_tb_return(1, 'Permission denied: TRACKBACK_DIR');
+ if (! file_exists(TRACKBACK_DIR)) return array(PLUGIN_TB_ERROR, 'No such directory: TRACKBACK_DIR');
+ if (! is_writable(TRACKBACK_DIR)) return array(PLUGIN_TB_ERROR, 'Permission denied: TRACKBACK_DIR');
$page = tb_id2page($tb_id);
- if ($page === FALSE) plugin_tb_return(1, 'TrackBack ID is invalid.');
+ if ($page === FALSE) return array(PLUGIN_TB_ERROR, 'TrackBack ID is invalid.');
// URL validation (maybe worse of processing time limit)
$result = http_request($url, 'HEAD');
- if ($result['rc'] !== 200) plugin_tb_return(1, 'URL is fictitious.');
+ if ($result['rc'] !== 200) return array(PLUGIN_TB_ERROR, 'URL is fictitious.');
// Update TrackBack Ping data
$filename = tb_get_filename($page);
flock($fp, LOCK_UN);
fclose($fp);
- plugin_tb_return(0); // Return OK
+ return array(PLUGIN_TB_NOERROR, '');
}
-// Return TrackBack ping via HTTP/XML
-function plugin_tb_return($rc, $msg = '')
+// Show a response code of the ping via HTTP/XML (then exit)
+function plugin_tb_output_response($rc, $msg = '')
{
+ if ($rc == PLUGIN_TB_NOERROR) {
+ $rc = 0; // for PLUGIN_TB_NOERROR
+ } else {
+ $rc = 1; // for PLUGIN_TB_ERROR
+ }
+
pkwk_common_headers();
header('Content-Type: text/xml');
echo '<?xml version="1.0" encoding="iso-8859-1"?>';
echo '<response>';
echo ' <error>' . $rc . '</error>';
- if ($rc !== 0) echo '<message>' . $msg . '</message>';
+ if ($rc) echo '<message>' . $msg . '</message>';
echo '</response>';
exit;
}
-// ?__mode=rss
-function plugin_tb_mode_rss($tb_id)
+// Show pings for the page via RSS
+function plugin_tb_output_rsslist($tb_id)
{
global $script, $vars, $entity_pattern;
exit;
}
-// ?__mode=view
-function plugin_tb_mode_view($tb_id)
+// Show pings for the page via XHTML
+function plugin_tb_output_htmllist($tb_id)
{
global $script, $page_title;
global $_tb_title, $_tb_header, $_tb_entry, $_tb_refer, $_tb_date;
</div>
EOD;
}
+
+ // Output start
+ pkwk_common_headers();
+
+ // BugTrack/466 Care for MSIE trouble
+ // Logically correct, but MSIE will treat the data like 'file downloading'
+ //header('Content-type: application/xhtml+xml; charset=UTF-8');
+ header('Content-type: text/html; charset=UTF-8'); // Works well
+
+ $meta_content_type = pkwk_output_dtd(PKWK_DTD_XHTML_1_0_TRANSITIONAL, 'UTF-8');
$msg = <<<EOD
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">
<head>
- <meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8" />
+ $meta_content_type
<title>$tb_title</title>
<link rel="stylesheet" href="skin/trackback.css" type="text/css" />
</head>
</body>
</html>
EOD;
-
- pkwk_common_headers();
-
- // BugTrack/466 Care for MSIE trouble
- // Logically correct, but MSIE will treat the data like 'file downloading'
- //header('Content-type: application/xhtml+xml; charset=UTF-8');
- header('Content-type: text/html; charset=UTF-8'); // Works well
-
echo mb_convert_encoding($msg, 'UTF-8', SOURCE_ENCODING);
exit;
}
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