/**
* 重定向函数
*
* @access public
* @param string $location 重定向路径
* @param boolean $isPermanently 是否为永久重定向
* @return void
*/
public function redirect($location, $isPermanently = false)
{
/** Typecho_Common */
require_once 'Typecho/Common.php';
$location = Typecho_Common::safeUrl($location);
if ($isPermanently) {
header('Location: ' . $location, false, 301);
exit;
} else {
header('Location: ' . $location, false, 302);
exit;
}
}
/**
* pingbackPing
*
* @param string $source
* @param string $target
* @access public
* @return void
*/
public function pingbackPing($source, $target)
{
/** 检查源地址是否存在*/
if (!($http = Typecho_Http_Client::get())) {
return new IXR_Error(16, _t('源地址服务器错误'));
}
try {
$http->setTimeout(5)->send($source);
$response = $http->getResponseBody();
if (200 == $http->getResponseStatus()) {
if (!$http->getResponseHeader('x-pingback')) {
preg_match_all("/<link[^>]*rel=[\"']([^\"']*)[\"'][^>]*href=[\"']([^\"']*)[\"'][^>]*>/i", $response, $out);
if (!isset($out[1]['pingback'])) {
return new IXR_Error(50, _t('源地址不支持PingBack'));
}
}
} else {
return new IXR_Error(16, _t('源地址服务器错误'));
}
} catch (Exception $e) {
return new IXR_Error(16, _t('源地址服务器错误'));
}
/** 检查目标地址是否正确*/
$pathInfo = Typecho_Common::url(substr($target, strlen($this->options->index)), '/');
$post = Typecho_Router::match($pathInfo);
/** 这样可以得到cid或者slug*/
if (!$post instanceof Widget_Archive || !$post->have() || !$post->is('single')) {
return new IXR_Error(33, _t('这个目标地址不存在'));
}
if ($post) {
/** 检查是否可以ping*/
if ($post->allowPing) {
/** 现在可以ping了，但是还得检查下这个pingback是否已经存在了*/
$pingNum = $this->db->fetchObject($this->db->select(array('COUNT(coid)' => 'num'))->from('table.comments')->where('table.comments.cid = ? AND table.comments.url = ? AND table.comments.type <> ?', $post->cid, $source, 'comment'))->num;
if ($pingNum <= 0) {
/** 现在开始插入以及邮件提示了 $response就是第一行请求时返回的数组*/
preg_match("/\\<title\\>([^<]*?)\\<\\/title\\>/is", $response, $matchTitle);
$finalTitle = Typecho_Common::removeXSS(trim(strip_tags($matchTitle[1])));
/** 干掉html tag，只留下<a>*/
$text = Typecho_Common::stripTags($response, '<a href="">');
/** 此处将$target quote,留着后面用*/
$pregLink = preg_quote($target);
/** 找出含有target链接的最长的一行作为$finalText*/
$finalText = '';
$lines = explode("\n", $text);
foreach ($lines as $line) {
$line = trim($line);
if (NULL != $line) {
if (preg_match("|<a[^>]*href=[\"']{$pregLink}[\"'][^>]*>(.*?)</a>|", $line)) {
if (strlen($line) > strlen($finalText)) {
/** <a>也要干掉，*/
$finalText = Typecho_Common::stripTags($line);
}
}
}
}
/** 截取一段字*/
if (NULL == trim($finalText)) {
return new IXR_Error('17', _t('源地址中不包括目标地址'));
}
$finalText = '[...]' . Typecho_Common::subStr($finalText, 0, 200, '') . '[...]';
$pingback = array('cid' => $post->cid, 'created' => $this->options->gmtTime, 'agent' => $this->request->getAgent(), 'ip' => $this->request->getIp(), 'author' => $finalTitle, 'url' => Typecho_Common::safeUrl($source), 'text' => $finalText, 'ownerId' => $post->author->uid, 'type' => 'pingback', 'status' => $this->options->commentsRequireModeration ? 'waiting' : 'approved');
/** 加入plugin */
$pingback = $this->pluginHandle()->pingback($pingback, $post);
/** 执行插入*/
$insertId = $this->singletonWidget('Widget_Abstract_Comments')->insert($pingback);
/** 评论完成接口 */
$this->pluginHandle()->finishPingback($this);
return $insertId;
/** todo:发送邮件提示*/
} else {
return new IXR_Error(48, _t('PingBack已经存在'));
}
} else {
return IXR_Error(49, _t('目标地址禁止Ping'));
}
} else {
return new IXR_Error(33, _t('这个目标地址不存在'));
}
}
/**
* 重定向函数
*
* @access public
* @param string $location 重定向路径
* @param boolean $isPermanently 是否为永久重定向
* @return void
*/
public function redirect($location, $isPermanently = false)
{
/** Typecho_Common */
require_once 'Typecho/Common.php';
$location = Typecho_Common::safeUrl($location);
if ($isPermanently) {
header('Location: ' . $location, false, 301);
echo '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>301 Moved Permanently</title>
</head><body>
<h1>Moved Permanently</h1>
<p>The document has moved <a href="' . $location . '">here</a>.</p>
</body></html>';
exit;
} else {
header('Location: ' . $location, false, 302);
echo '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Moved Temporarily</title>
</head><body>
<h1>Moved Temporarily</h1>
<p>The document has moved <a href="' . $location . '">here</a>.</p>
</body></html>';
exit;
}
}