New Format : Media RSS

formats/MrssFormat.php

@@ -0,0 +1,86 @@
+<?php
+/**
+* Mrss
+* Documentation Source http://www.rssboard.org/media-rss
+*
+* @name Media RSS
+*/
+class MrssFormat extends FormatAbstract{
+
+    public function stringify(){
+        /* Datas preparation */
+        $https = ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 's' : '' );
+        $httpHost = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
+        $httpInfo = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
+
+        $serverRequestUri = htmlspecialchars($_SERVER['REQUEST_URI']);
+
+        $extraInfos = $this->getExtraInfos();
+        $title = htmlspecialchars($extraInfos['name']);
+        $uri = htmlspecialchars($extraInfos['uri']);
+        $icon = 'http://g.etfv.co/'. $uri .'?icon.jpg';
+
+        $items = '';
+        foreach($this->getDatas() as $data){
+            $itemTitle = strip_tags(is_null($data->title) ? '' : $data->title);
+            $itemUri = is_null($data->uri) ? '' : $data->uri;
+            $itemThumbnailUri = is_null($data->thumbnailUri) ? '' : $data->thumbnailUri;
+            $itemTimestamp = is_null($data->timestamp) ? '' : date(DATE_RFC2822, $data->timestamp);
+            // We prevent content from closing the CDATA too early.
+            $itemContent = is_null($data->content) ? '' : htmlspecialchars($this->sanitizeHtml(str_replace(']]>','',$data->content)));
+
+            $items .= <<<EOD
+
+    <item>
+        <title>{$itemTitle}</title>
+        <link>{$itemUri}</link>
+        <guid isPermaLink="true">{$itemUri}</guid>
+        <pubDate>{$itemTimestamp}</pubDate>
+        <description>{$itemContent}</description>
+        <media:title>{$itemTitle}</media:title>
+        <media:thumbnail url="{$itemThumbnailUri}" />
+    </item>
+
+EOD;
+        }
+
+        /*
+        TODO :
+        - Security: Disable Javascript ?
+        - <updated> : Define new extra info ?
+        - <content type="html"> : RFC look with xhtml, keep this in spite of ?
+        */
+
+        /* Data are prepared, now let's begin the "MAGIE !!!" */
+        $toReturn  = '<?xml version="1.0" encoding="UTF-8"?>';
+        $toReturn .= <<<EOD
+<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:media="http://search.yahoo.com/mrss/" xmlns:atom="http://www.w3.org/2005/Atom">
+    <channel>
+        <title>{$title}</title>
+        <link>{$uri}/</link>
+        <description>{$title}</description>
+        <atom:link rel="self" href="http{$https}://{$httpHost}{$serverRequestUri}" />
+        {$items}
+    </channel>
+</rss>
+EOD;
+
+        // Remove invalid non-UTF8 characters
+
+        // We cannot use iconv because of a bug in some versions of iconv.
+        // See http://www.php.net/manual/fr/function.iconv.php#108643
+        //$toReturn = iconv("UTF-8", "UTF-8//IGNORE", $toReturn);
+        // So we use mb_convert_encoding instead:
+        ini_set('mbstring.substitute_character', 'none');
+        $toReturn= mb_convert_encoding($toReturn, 'UTF-8', 'UTF-8');
+        return $toReturn;
+    }
+
+    public function display(){
+        $this
+            ->setContentType('application/rss+xml; charset=UTF-8')  // We force UTF-8 in RSS output.
+            ->callContentType();
+
+        return parent::display();
+    }
+}