<?php class HtmlFormat extends FormatAbstract { const MIME_TYPE = 'text/html'; public function stringify() { $extraInfos = $this->getExtraInfos(); $title = htmlspecialchars($extraInfos['name']); $uri = htmlspecialchars($extraInfos['uri']); $donationUri = htmlspecialchars($extraInfos['donationUri']); $donationsAllowed = Configuration::getConfig('admin', 'donations'); // Dynamically build buttons for all formats (except HTML) $formatFactory = new FormatFactory(); $buttons = ''; $links = ''; foreach ($formatFactory->getFormatNames() as $format) { if (strcasecmp($format, 'HTML') === 0) { continue; } $query = str_ireplace('format=Html', 'format=' . $format, htmlentities($_SERVER['QUERY_STRING'])); $buttons .= $this->buildButton($format, $query) . PHP_EOL; $mime = $formatFactory->create($format)->getMimeType(); $links .= $this->buildLink($format, $query, $mime) . PHP_EOL; } if ($donationUri !== '' && $donationsAllowed) { $buttons .= '<a href="' . $donationUri . '" target="_blank"><button class="highlight">Donate to maintainer</button></a>' . PHP_EOL; $links .= '<link href="' . $donationUri . ' target="_blank"" title="Donate to Maintainer" rel="alternate">' . 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; $entryDate = ''; if ($item->getTimestamp()) { $entryDate = sprintf( '<time datetime="%s">%s</time>', date('Y-m-d H:i:s', $item->getTimestamp()), date('Y-m-d H:i:s', $item->getTimestamp()) ); } $entryContent = ''; if ($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) { $template = '<li class="enclosure"><a href="%s" rel="noopener noreferrer nofollow">%s</a></li>'; $url = $this->sanitizeHtml($enclosure); $anchorText = substr($url, strrpos($url, '/') + 1); $entryEnclosures .= sprintf($template, $url, $anchorText); } $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}">{$entryTitle}</a></h2> {$entryDate} {$entryAuthor} {$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 $toReturn; } private function buildButton($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; } }