/**
* 引用处理函数
*
* @access private
* @return void
*/
private function trackback()
{
/** 如果不是POST方法 */
if (!$this->request->isPost() || $this->request->getReferer()) {
$this->response->redirect($this->_content->permalink);
}
/** 如果库中已经存在当前ip为spam的trackback则直接拒绝 */
if ($this->size($this->select()->where('status = ? AND ip = ?', 'spam', $this->request->getIp())) > 0) {
/** 使用404告诉机器人 */
throw new Typecho_Widget_Exception(_t('找不到内容'), 404);
}
$trackback = array('cid' => $this->_content->cid, 'created' => $this->options->gmtTime, 'agent' => $this->request->getAgent(), 'ip' => $this->request->getIp(), 'ownerId' => $this->_content->author->uid, 'type' => 'trackback', 'status' => $this->options->commentsRequireModeration ? 'waiting' : 'approved');
$trackback['author'] = $this->request->filter('trim')->blog_name;
$trackback['url'] = $this->request->filter('trim')->url;
$trackback['text'] = $this->request->excerpt;
//检验格式
$validator = new Typecho_Validate();
$validator->addRule('url', 'required', 'We require all Trackbacks to provide an url.')->addRule('url', 'url', 'Your url is not valid.')->addRule('url', 'maxLength', 'Your url is not valid.', 200)->addRule('text', 'required', 'We require all Trackbacks to provide an excerption.')->addRule('author', 'required', 'We require all Trackbacks to provide an blog name.')->addRule('author', 'xssCheck', 'Your blog name is not valid.')->addRule('author', 'maxLength', 'Your blog name is not valid.', 200);
$validator->setBreak();
if ($error = $validator->run($trackback)) {
$message = array('success' => 1, 'message' => current($error));
$this->response->throwXml($message);
}
/** 截取长度 */
$trackback['text'] = Typecho_Common::subStr($trackback['text'], 0, 100, '[...]');
/** 如果库中已经存在重复url则直接拒绝 */
if ($this->size($this->select()->where('cid = ? AND url = ? AND type <> ?', $this->_content->cid, $trackback['url'], 'comment')) > 0) {
/** 使用403告诉机器人 */
throw new Typecho_Widget_Exception(_t('禁止重复提交'), 403);
}
/** 生成过滤器 */
$trackback = $this->pluginHandle()->trackback($trackback, $this->_content);
/** 添加引用 */
$this->insert($trackback);
/** 评论完成接口 */
$this->pluginHandle()->finishTrackback($this);
/** 返回正确 */
$this->response->throwXml(array('success' => 0, 'message' => 'Trackback has registered.'));
}
