/**
* 独立页处理
*
* @access private
* @param Typecho_Db_Query $select 查询对象
* @param boolean $hasPushed 是否已经压入队列
* @return void
* @throws Typecho_Widget_Exception
*/
private function singleHandle(Typecho_Db_Query $select, &$hasPushed)
{
if ('comment_page' == $this->parameter->type) {
$params = array();
$matched = Typecho_Router::match($this->request->permalink);
if ($matched && $matched instanceof Widget_Archive && $matched->is('single')) {
$this->import($matched);
$hasPushed = true;
return;
}
}
/** 将这两个设置提前是为了保证在调用query的plugin时可以在插件中使用is判断初步归档类型 */
/** 如果需要更细判断，则可以使用singleHandle来实现 */
$this->_archiveSingle = true;
/** 默认归档类型 */
$this->_archiveType = 'single';
/** 匹配类型 */
if ('single' != $this->parameter->type) {
$select->where('table.contents.type = ?', $this->parameter->type);
}
/** 如果是单篇文章或独立页面 */
if (isset($this->request->cid)) {
$select->where('table.contents.cid = ?', $this->request->filter('int')->cid);
}
/** 匹配缩略名 */
if (isset($this->request->slug)) {
$select->where('table.contents.slug = ?', $this->request->slug);
}
/** 匹配时间 */
if (isset($this->request->year)) {
$year = $this->request->filter('int')->year;
$fromMonth = 1;
$toMonth = 12;
$fromDay = 1;
$toDay = 31;
if (isset($this->request->month)) {
$fromMonth = $this->request->filter('int')->month;
$toMonth = $fromMonth;
$fromDay = 1;
$toDay = date('t', mktime(0, 0, 0, $toMonth, 1, $year));
if (isset($this->request->day)) {
$fromDay = $this->request->filter('int')->day;
$toDay = $fromDay;
}
}
/** 获取起始GMT时间的unix时间戳 */
$from = mktime(0, 0, 0, $fromMonth, $fromDay, $year) - $this->options->timezone + $this->options->serverTimezone;
$to = mktime(23, 59, 59, $toMonth, $toDay, $year) - $this->options->timezone + $this->options->serverTimezone;
$select->where('table.contents.created > ? AND table.contents.created < ?', $from, $to);
}
/** 保存密码至cookie */
if ($this->request->isPost() && isset($this->request->protectPassword)) {
$this->security->protect();
Typecho_Cookie::set('protectPassword', $this->request->protectPassword, 0);
}
/** 匹配类型 */
$select->limit(1);
$this->query($select);
if (!$this->have() || isset($this->request->category) && $this->category != $this->request->category || isset($this->request->directory) && $this->request->directory != implode('/', $this->directory)) {
if (!$this->_invokeFromOutside) {
/** 对没有索引情况下的判断 */
throw new Typecho_Widget_Exception(_t('请求的地址不存在'), 404);
} else {
$hasPushed = true;
return;
}
}
/** 设置模板 */
if ($this->template) {
/** 应用自定义模板 */
$this->_themeFile = $this->template;
}
/** 设置头部feed */
/** RSS 2.0 */
//对自定义首页使用全局变量
if (!$this->_makeSinglePageAsFrontPage) {
$this->_feedUrl = $this->feedUrl;
/** RSS 1.0 */
$this->_feedRssUrl = $this->feedRssUrl;
/** ATOM 1.0 */
$this->_feedAtomUrl = $this->feedAtomUrl;
/** 设置标题 */
$this->_archiveTitle = $this->title;
/** 设置关键词 */
$this->_keywords = implode(',', Typecho_Common::arrayFlatten($this->tags, 'name'));
/** 设置描述 */
$this->_description = $this->description;
}
/** 设置归档类型 */
$this->_archiveType = $this->type;
/** 设置归档缩略名 */
$this->_archiveSlug = 'post' == $this->type || 'attachment' == $this->type ? $this->cid : $this->slug;
/** 设置403头 */
if ($this->hidden) {
$this->response->setStatus(403);
}
$hasPushed = true;
/** 插件接口 */
$this->pluginHandle()->singleHandle($this, $select);
}
/**
* 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'));
}
}
/**
* 初始化函数
*
* @access public
* @return void
* @throws Typecho_Widget_Exception
*/
public function action()
{
/** 回调方法 */
$callback = $this->request->type;
$this->_content = Typecho_Router::match($this->request->permalink);
/** 判断内容是否存在 */
if (false !== $this->_content && $this->_content instanceof Widget_Archive && $this->_content->have() && $this->_content->is('single') && in_array($callback, array('comment', 'trackback'))) {
/** 如果文章不允许反馈 */
if ('comment' == $callback) {
/** 评论关闭 */
if (!$this->_content->allow('comment')) {
throw new Typecho_Widget_Exception(_t('对不起,此内容的反馈被禁止.'), 403);
}
/** 检查来源 */
if ($this->options->commentsCheckReferer && 'false' != $this->parameter->checkReferer) {
$referer = $this->request->getReferer();
if (empty($referer)) {
throw new Typecho_Widget_Exception(_t('评论来源页错误.'), 403);
}
$refererPart = parse_url($referer);
$currentPart = parse_url($this->_content->permalink);
if ($refererPart['host'] != $currentPart['host'] || 0 !== strpos($refererPart['path'], $currentPart['path'])) {
//自定义首页支持
if ('page:' . $this->_content->cid == $this->options->frontPage) {
$currentPart = parse_url(rtrim($this->options->siteUrl, '/') . '/');
if ($refererPart['host'] != $currentPart['host'] || 0 !== strpos($refererPart['path'], $currentPart['path'])) {
throw new Typecho_Widget_Exception(_t('评论来源页错误.'), 403);
}
} else {
throw new Typecho_Widget_Exception(_t('评论来源页错误.'), 403);
}
}
}
/** 检查ip评论间隔 */
if (!$this->user->pass('editor', true) && $this->_content->authorId != $this->user->uid && $this->options->commentsPostIntervalEnable) {
$latestComment = $this->db->fetchRow($this->db->select('created')->from('table.comments')->where('cid = ?', $this->_content->cid)->order('created', Typecho_Db::SORT_DESC)->limit(1));
if ($latestComment && ($this->options->gmtTime - $latestComment['created'] > 0 && $this->options->gmtTime - $latestComment['created'] < $this->options->commentsPostInterval)) {
throw new Typecho_Widget_Exception(_t('对不起, 您的发言过于频繁, 请稍侯再次发布.'), 403);
}
}
}
/** 如果文章不允许引用 */
if ('trackback' == $callback && !$this->_content->allow('ping')) {
throw new Typecho_Widget_Exception(_t('对不起,此内容的引用被禁止.'), 403);
}
/** 调用函数 */
$this->{$callback}();
} else {
throw new Typecho_Widget_Exception(_t('找不到内容'), 404);
}
}
