* License: GPL * * plugin_tb_action() action * tb_save() TrackBack Ping データ保存(更新) * tb_xml_msg($rc, $msg) XML 結果出力 * tb_mode_rss($tb_id) ?__mode=rss 処理 * tb_mode_view($tb_id) ?__mode=view 処理 */ function plugin_tb_action() { global $vars, $trackback; // POST: TrackBack Ping を保存する if (!empty($vars['url'])) tb_save(); if ($trackback and !empty($vars['__mode']) and !empty($vars['tb_id'])) { switch ($vars['__mode']) { case 'rss': tb_mode_rss($vars['tb_id']); break; case 'view': tb_mode_view($vars['tb_id']); break; } } $pages = get_existpages(TRACKBACK_DIR, '.txt'); if (count($pages) == 0) { return array('msg'=>'', 'body'=>''); } else { return array('msg'=>'trackback list', 'body'=>page_list($pages, 'read', FALSE)); } } // TrackBack Ping データ保存(更新) function tb_save() { global $script, $vars, $trackback; static $fields = array( /* UTIME, */ 'url', 'title', 'excerpt', 'blog_name'); // 許可していないのに呼ばれた場合の対応 if (!$trackback) { tb_xml_msg(1, 'Feature inactive.'); } // TrackBack Ping における URL パラメータは必須である。 if (empty($vars['url'])) { tb_xml_msg(1, 'It is an indispensable parameter. URL is not set up.'); } // Query String を得る if (empty($vars['tb_id'])) { tb_xml_msg(1, 'TrackBack Ping URL is inaccurate.'); } $url = $vars['url']; $tb_id = $vars['tb_id']; // ページ存在チェック $page = tb_id2page($tb_id); if ($page === FALSE) { tb_xml_msg(1, 'TrackBack ID is invalid.'); } // URL 妥当性チェック (これを入れると処理時間に問題がでる) $result = http_request($url, 'HEAD'); if ($result['rc'] !== 200) { tb_xml_msg(1, 'URL is fictitious.'); } // TRACKBACK_DIR の存在と書き込み可能かの確認 if (!file_exists(TRACKBACK_DIR)) { tb_xml_msg(1, 'No such directory'); } if (!is_writable(TRACKBACK_DIR)) { tb_xml_msg(1, 'Permission denied'); } // TrackBack Ping のデータを更新 $filename = tb_get_filename($page); $data = tb_get($filename); $items = array(UTIME); foreach ($fields as $key) { $value = isset($vars[$key]) ? $vars[$key] : ''; if (preg_match("/[,\"\n\r]/", $value)) { $value = '"' . str_replace('"', '""', $value) . '"'; } $items[$key] = $value; } $data[rawurldecode($items['url'])] = $items; $fp = fopen($filename, 'w'); set_file_buffer($fp, 0); flock($fp, LOCK_EX); rewind($fp); foreach ($data as $line) { $line = preg_replace('/[\r\n]/s', '', $line); // One line, one ping fwrite($fp, join(',', $line) . "\n"); } flock($fp, LOCK_UN); fclose($fp); tb_xml_msg(0, ''); } // XML 結果出力 function tb_xml_msg($rc, $msg) { header('Content-Type: text/xml'); echo ''; echo << $rc $msg EOD; die; } // ?__mode=rss 処理 function tb_mode_rss($tb_id) { global $script, $vars, $entity_pattern; $page = tb_id2page($tb_id); if ($page === FALSE) { return FALSE; } $items = ''; foreach (tb_get(tb_get_filename($page)) as $arr) { // $utime and $blog_name is not used $utime = array_shift($arr); list ($url, $title, $excerpt, $blog_name) = array_map( create_function('$a', 'return htmlspecialchars($a);'), $arr); $items .= << $title $url $excerpt EOD; } $title = htmlspecialchars($page); $link = "$script?" . rawurlencode($page); $vars['page'] = $page; $excerpt = strip_htmltag(convert_html(get_source($page))); $excerpt = preg_replace("/&$entity_pattern;/", '', $excerpt); $excerpt = mb_strimwidth(preg_replace("/[\r\n]/", ' ', $excerpt), 0, 255, '...'); $rc = << 0 $title $link $excerpt ja-Jp$items EOD; $rc = mb_convert_encoding($rc, 'UTF-8', SOURCE_ENCODING); header('Content-Type: text/xml'); echo ''; echo $rc; die; } // ?__mode=view 処理 function tb_mode_view($tb_id) { global $script, $page_title; global $_tb_title, $_tb_header, $_tb_entry, $_tb_refer, $_tb_date; global $_tb_header_Excerpt, $_tb_header_Weblog, $_tb_header_Tracked; // TrackBack ID からページ名を取得 $page = tb_id2page($tb_id); if ($page === FALSE) { return FALSE; } $r_page = rawurlencode($page); $tb_title = sprintf($_tb_title, $page); $tb_refer = sprintf($_tb_refer, "'$page'", "$page_title"); $data = tb_get(tb_get_filename($page)); // 最新版から整列 usort($data, create_function('$a,$b', 'return $b[0] - $a[0];')); $tb_body = ''; foreach ($data as $x) { if (count($x) != 5) { continue; // record broken } list ($time, $url, $title, $excerpt, $blog_name) = $x; if ($title == '') { $title = 'no title'; } $time = date($_tb_date, $time + LOCALZONE); // May 2, 2003 11:25 AM $tb_body .= << $title
$_tb_header_Excerpt $excerpt
$_tb_header_Weblog $blog_name
$_tb_header_Tracked $time EOD; } $msg = << $tb_title
$_tb_entry
$script?tb_id=$tb_id

$tb_refer
$tb_body
EOD; // BugTrack/466 エンコード誤認対策 header('Content-type: text/html; charset=UTF-8'); echo ''; echo mb_convert_encoding($msg, 'UTF-8', SOURCE_ENCODING); die; } ?>