89 lines
3.3 KiB
PHP
89 lines
3.3 KiB
PHP
<?php
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/**
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* Mrss
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* Documentation Source http://www.rssboard.org/media-rss
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*
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* @name Media RSS
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*/
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class MrssFormat extends FormatAbstract{
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public function stringify(){
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/* Datas preparation */
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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 = $this->xml_encode($_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 = $this->xml_encode(!empty($extraInfos['uri']) ? $extraInfos['uri'] : 'https://github.com/sebsauvage/rss-bridge');
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$items = '';
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foreach($this->getDatas() as $data){
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$itemTitle = strip_tags(is_null($data->title) ? '' : $this->xml_encode($data->title));
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$itemUri = is_null($data->uri) ? '' : $this->xml_encode($data->uri);
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$itemAuthor = is_null($data->author) ? $title : $this->xml_encode($data->author);
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$itemTimestamp = is_null($data->timestamp) ? '' : $this->xml_encode(date(DATE_RFC2822, $data->timestamp));
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// We prevent content from closing the CDATA too early.
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$itemContent = is_null($data->content) ? '' : $this->xml_encode($this->sanitizeHtml($data->content));
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$items .= <<<EOD
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<item>
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<title>{$itemTitle}</title>
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<link>{$itemUri}</link>
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<guid isPermaLink="true">{$itemUri}</guid>
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<pubDate>{$itemTimestamp}</pubDate>
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<description>{$itemContent}</description>
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<author>{$itemAuthor}</author>
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</item>
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EOD;
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}
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/*
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TODO :
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- Security: Disable Javascript ?
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- <updated> : Define new extra info ?
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- <content type="html"> : RFC look with xhtml, keep this in spite of ?
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*/
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/* Data are prepared, now let's begin the "MAGIE !!!" */
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$toReturn = '<?xml version="1.0" encoding="UTF-8"?>';
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$toReturn .= <<<EOD
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<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/" xmlns:atom="http://www.w3.org/2005/Atom">
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<channel>
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<title>{$title}</title>
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<link>http{$https}://{$httpHost}{$httpInfo}/</link>
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<description>{$title}</description>
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<atom:link rel="alternate" type="text/html" href="{$uri}" />
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<atom:link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" />
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{$items}
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</channel>
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</rss>
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EOD;
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// Remove invalid non-UTF8 characters
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// We cannot use iconv because of a bug in some versions of iconv.
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// See http://www.php.net/manual/fr/function.iconv.php#108643
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//$toReturn = iconv("UTF-8", "UTF-8//IGNORE", $toReturn);
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// So we use mb_convert_encoding instead:
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ini_set('mbstring.substitute_character', 'none');
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$toReturn= mb_convert_encoding($toReturn, 'UTF-8', '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/rss+xml; charset=UTF-8') // We force UTF-8 in RSS output.
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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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