<?php class HtmlFormat extends FormatAbstract { const MIME_TYPE = 'text/html'; public function stringify(){ $extraInfos = $this->getExtraInfos(); $title = htmlspecialchars($extraInfos['name']); $uri = htmlspecialchars($extraInfos['uri']); // Dynamically build buttons for all formats (except HTML) $formatFac = new FormatFactory(); $formatFac->setWorkingDir(PATH_LIB_FORMATS); $buttons = ''; $links = ''; foreach($formatFac->getFormatNames() as $format) { if(strcasecmp($format, 'HTML') === 0) { continue; } $query = str_replace('format=Html', 'format=' . $format, htmlentities($_SERVER['QUERY_STRING'])); $buttons .= $this->buildButton($format, $query) . PHP_EOL; $mime = $formatFac->create($format)->getMimeType(); $links .= $this->buildLink($format, $query, $mime) . PHP_EOL; } $entries = ''; foreach($this->getItems() as $item) { $entryAuthor = $item->getAuthor() ? '<br /><p class="author">by: ' . $item->getAuthor() . '</p>' : ''; $entryTitle = $this->sanitizeHtml(strip_tags($item->getTitle())); $entryUri = $item->getURI() ?: $uri; $entryTimestamp = ''; if($item->getTimestamp()) { $entryTimestamp = '<time datetime="' . date(DATE_ATOM, $item->getTimestamp()) . '">' . date(DATE_ATOM, $item->getTimestamp()) . '</time>'; } $entryContent = ''; if($item->getContent()) { $entryContent = '<div class="content">' . $this->sanitizeHtml($item->getContent()) . '</div>'; } $entryEnclosures = ''; if(!empty($item->getEnclosures())) { $entryEnclosures = '<div class="attachments"><p>Attachments:</p>'; foreach($item->getEnclosures() as $enclosure) { $url = $this->sanitizeHtml($enclosure); $entryEnclosures .= '<li class="enclosure"><a href="' . $url . '">' . substr($url, strrpos($url, '/') + 1) . '</a></li>'; } $entryEnclosures .= '</div>'; } $entryCategories = ''; if(!empty($item->getCategories())) { $entryCategories = '<div class="categories"><p>Categories:</p>'; foreach($item->getCategories() as $category) { $entryCategories .= '<li class="category">' . $this->sanitizeHtml($category) . '</li>'; } $entryCategories .= '</div>'; } $entries .= <<<EOD <section class="feeditem"> <h2><a class="itemtitle" href="{$entryUri}">{$entryTitle}</a></h2> {$entryTimestamp} {$entryAuthor} {$entryContent} {$entryEnclosures} {$entryCategories} </section> EOD; } $charset = $this->getCharset(); /* Data are prepared, now let's begin the "MAGIE !!!" */ $toReturn = <<<EOD <!DOCTYPE html> <html> <head> <meta charset="{$charset}"> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>{$title}</title> <link href="static/HtmlFormat.css" rel="stylesheet"> <link rel="icon" type="image/png" href="static/favicon.png"> {$links} <meta name="robots" content="noindex, follow"> </head> <body> <h1 class="pagetitle"><a href="{$uri}" target="_blank">{$title}</a></h1> <div class="buttons"> <a href="./#bridge-{$_GET['bridge']}"><button class="backbutton">← back to rss-bridge</button></a> {$buttons} </div> {$entries} </body> </html> EOD; // Remove invalid characters ini_set('mbstring.substitute_character', 'none'); $toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8'); return $toReturn; } public function display() { $this ->setContentType(self::MIME_TYPE . '; charset=' . $this->getCharset()) ->callContentType(); return parent::display(); } private function buildButton($format, $query) { return <<<EOD <a href="./?{$query}"><button class="rss-feed">{$format}</button></a> EOD; } private function buildLink($format, $query, $mime) { return <<<EOD <link href="./?{$query}" title="{$format}" rel="alternate" type="{$mime}"> EOD; } }