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212
var/Widget/Feed.php
Executable file
212
var/Widget/Feed.php
Executable file
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<?php
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namespace Widget;
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use Exception;
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use Typecho\Common;
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use Typecho\Config;
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use Typecho\Router;
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use Typecho\Widget\Exception as WidgetException;
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use Widget\Base\Contents;
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use Typecho\Feed as FeedGenerator;
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use Widget\Comments\Recent;
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if (!defined('__TYPECHO_ROOT_DIR__')) {
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exit;
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}
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/**
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* Feed handler
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*/
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class Feed extends Contents
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{
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/**
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* @var FeedGenerator
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*/
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private FeedGenerator $feed;
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/**
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* @param Config $parameter
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* @throws Exception
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*/
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protected function initParameter(Config $parameter)
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{
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$parameter->setDefault([
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'pageSize' => 10,
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]);
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}
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/**
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* @throws Exception
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*/
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public function execute()
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{
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$feedPath = $this->request->get('feed', '/');
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$feedType = FeedGenerator::RSS2;
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$feedContentType = 'application/rss+xml';
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$currentFeedUrl = $this->options->feedUrl;
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$isComments = false;
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/** 判断聚合类型 */
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switch (true) {
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case preg_match("/^\/rss(\/|$)/", $feedPath):
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/** 如果是RSS1标准 */
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$feedPath = substr($feedPath, 4);
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$feedType = FeedGenerator::RSS1;
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$currentFeedUrl = $this->options->feedRssUrl;
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$feedContentType = 'application/rdf+xml';
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break;
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case preg_match("/^\/atom(\/|$)/", $feedPath):
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/** 如果是ATOM标准 */
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$feedPath = substr($feedPath, 5);
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$feedType = FeedGenerator::ATOM1;
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$currentFeedUrl = $this->options->feedAtomUrl;
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$feedContentType = 'application/atom+xml';
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break;
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default:
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break;
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}
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$feed = new FeedGenerator(
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Common::VERSION,
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$feedType,
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$this->options->charset,
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_t('zh-CN')
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);
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if (preg_match("/^\/comments\/?$/", $feedPath)) {
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$isComments = true;
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$currentFeedUrl = Common::url('/comments/', $currentFeedUrl);
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$feed->setBaseUrl($this->options->siteUrl);
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$feed->setSubTitle($this->options->description);
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} else {
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$archive = Router::match($feedPath, [
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'pageSize' => $this->parameter->pageSize,
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'isFeed' => true
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]);
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if (!($archive instanceof Archive)) {
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throw new WidgetException(_t('聚合页不存在'), 404);
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}
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switch ($feedType) {
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case FeedGenerator::RSS1:
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$currentFeedUrl = $archive->getArchiveFeedRssUrl();
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break;
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case FeedGenerator::ATOM1:
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$currentFeedUrl = $archive->getArchiveFeedAtomUrl();
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break;
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default:
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$currentFeedUrl = $archive->getArchiveFeedUrl();
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break;
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}
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$feed->setBaseUrl($archive->getArchiveUrl());
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$feed->setSubTitle($archive->getArchiveDescription());
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}
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$this->checkPermalink($currentFeedUrl);
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$feed->setFeedUrl($currentFeedUrl);
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$this->feed($feed, $feedContentType, $isComments, $archive ?? null);
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$this->feed = $feed;
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}
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/**
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* @param FeedGenerator $feed
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* @param string $contentType
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* @param bool $isComments
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* @param Archive|null $archive
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*/
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public function feed(
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FeedGenerator $feed,
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string $contentType,
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bool $isComments,
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?Archive $archive
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) {
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if ($isComments || $archive->is('single')) {
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$feed->setTitle(_t(
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'%s 的评论',
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$this->options->title . ($isComments ? '' : ' - ' . $archive->getArchiveTitle())
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));
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if ($isComments) {
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$comments = Recent::alloc('pageSize=10');
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} else {
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$comments = Recent::alloc('pageSize=10&parentId=' . $archive->cid);
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}
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while ($comments->next()) {
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$suffix = self::pluginHandle()->trigger($plugged)->call(
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'commentFeedItem',
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$feed->getType(),
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$comments
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);
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if (!$plugged) {
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$suffix = null;
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}
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$feed->addItem([
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'title' => $comments->author,
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'content' => $comments->content,
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'date' => $comments->created,
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'link' => $comments->permalink,
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'author' => (object)[
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'screenName' => $comments->author,
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'url' => $comments->url,
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'mail' => $comments->mail
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],
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'excerpt' => strip_tags($comments->content),
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'suffix' => $suffix
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]);
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}
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} else {
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$feed->setTitle($this->options->title
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. ($archive->getArchiveTitle() ? ' - ' . $archive->getArchiveTitle() : ''));
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while ($archive->next()) {
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$suffix = self::pluginHandle()->trigger($plugged)->call('feedItem', $feed->getType(), $archive);
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if (!$plugged) {
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$suffix = null;
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}
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$feed->addItem([
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'title' => $archive->title,
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'content' => $this->options->feedFullText ? $archive->content
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: (false !== strpos($archive->text, '<!--more-->') ? $archive->excerpt .
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"<p class=\"more\"><a href=\"{$archive->permalink}\" title=\"{$archive->title}\">[...]</a></p>"
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: $archive->content),
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'date' => $archive->created,
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'link' => $archive->permalink,
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'author' => $archive->author,
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'excerpt' => $archive->plainExcerpt,
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'category' => $archive->categories,
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'comments' => $archive->commentsNum,
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'commentsFeedUrl' => Common::url($archive->path, $feed->getFeedUrl()),
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'suffix' => $suffix
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]);
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}
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}
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$this->response->setContentType($contentType);
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}
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/**
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* @return void
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*/
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public function render()
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{
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echo $this->feed;
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}
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/**
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* @param string $feedUrl
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*/
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private function checkPermalink(string $feedUrl)
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{
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if ($feedUrl != $this->request->getRequestUrl()) {
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$this->response->redirect($feedUrl, true);
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}
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}
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}
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