mirror of
https://github.com/RSS-Bridge/rss-bridge.git
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111 lines
3.3 KiB
PHP
111 lines
3.3 KiB
PHP
<?php
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/**
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* Atom
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* Documentation Source http://en.wikipedia.org/wiki/Atom_%28standard%29 and
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* http://tools.ietf.org/html/rfc4287
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*/
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class AtomFormat extends FormatAbstract{
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public function stringify(){
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$https = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 's' : '';
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$httpHost = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
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$httpInfo = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
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$serverRequestUri = isset($_SERVER['REQUEST_URI']) ? $this->xml_encode($_SERVER['REQUEST_URI']) : '';
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$extraInfos = $this->getExtraInfos();
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$title = $this->xml_encode($extraInfos['name']);
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$uri = !empty($extraInfos['uri']) ? $extraInfos['uri'] : REPOSITORY;
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$uriparts = parse_url($uri);
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if(!empty($extraInfos['icon'])) {
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$icon = $extraInfos['icon'];
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} else {
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$icon = $this->xml_encode($uriparts['scheme'] . '://' . $uriparts['host'] . '/favicon.ico');
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}
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$uri = $this->xml_encode($uri);
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$entries = '';
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foreach($this->getItems() as $item) {
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$entryAuthor = isset($item['author']) ? $this->xml_encode($item['author']) : '';
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$entryTitle = isset($item['title']) ? $this->xml_encode($item['title']) : '';
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$entryUri = isset($item['uri']) ? $this->xml_encode($item['uri']) : '';
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$entryTimestamp = isset($item['timestamp']) ? $this->xml_encode(date(DATE_ATOM, $item['timestamp'])) : '';
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$entryContent = isset($item['content']) ? $this->xml_encode($this->sanitizeHtml($item['content'])) : '';
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$entryEnclosures = '';
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if(isset($item['enclosures'])) {
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foreach($item['enclosures'] as $enclosure) {
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$entryEnclosures .= '<link rel="enclosure" href="'
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. $this->xml_encode($enclosure)
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. '" type="' . getMimeType($enclosure) . '" />'
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. PHP_EOL;
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}
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}
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$entryCategories = '';
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if(isset($item['categories'])) {
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foreach($item['categories'] as $category) {
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$entryCategories .= '<category term="'
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. $this->xml_encode($category)
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. '"/>'
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. PHP_EOL;
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}
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}
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$entries .= <<<EOD
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<entry>
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<author>
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<name>{$entryAuthor}</name>
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</author>
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<title type="html">{$entryTitle}</title>
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<link rel="alternate" type="text/html" href="{$entryUri}" />
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<id>{$entryUri}</id>
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<updated>{$entryTimestamp}</updated>
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<content type="html">{$entryContent}</content>
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{$entryEnclosures}
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{$entryCategories}
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</entry>
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EOD;
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}
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$feedTimestamp = date(DATE_ATOM, time());
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$charset = $this->getCharset();
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/* Data are prepared, now let's begin the "MAGIE !!!" */
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$toReturn = <<<EOD
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<?xml version="1.0" encoding="{$charset}"?>
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<feed xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0">
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<title type="text">{$title}</title>
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<id>http{$https}://{$httpHost}{$httpInfo}/</id>
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<icon>{$icon}</icon>
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<logo>{$icon}</logo>
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<updated>{$feedTimestamp}</updated>
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<link rel="alternate" type="text/html" href="{$uri}" />
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<link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" />
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{$entries}
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</feed>
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EOD;
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// Remove invalid characters
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ini_set('mbstring.substitute_character', 'none');
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$toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8');
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return $toReturn;
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}
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public function display(){
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$this
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->setContentType('application/atom+xml; charset=' . $this->getCharset())
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->callContentType();
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return parent::display();
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}
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private function xml_encode($text){
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return htmlspecialchars($text, ENT_XML1);
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}
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}
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