7ff97c0c7b
Adding or removing feed formats from the "formats/" directory currently has no effect on the buttons shown in the HTML format. This can cause errors if users press one of the buttons for a format that is no longer available on the server. This commit changes the behavior to dynamically add buttons based on the available formats. Syndication feeds, however, are no longer supported as they require knowledge about the content type, which is not known without further changes to the formats API (may be added later if there is a demand). Closes #942
132 lines
3.3 KiB
PHP
132 lines
3.3 KiB
PHP
<?php
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class HtmlFormat extends FormatAbstract {
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public function stringify(){
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$extraInfos = $this->getExtraInfos();
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$title = htmlspecialchars($extraInfos['name']);
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$uri = htmlspecialchars($extraInfos['uri']);
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// Dynamically build buttons for all formats (except HTML)
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$formatFac = new FormatFactory();
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$formatFac->setWorkingDir(PATH_LIB_FORMATS);
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$buttons = '';
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foreach($formatFac->getFormatNames() as $format) {
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if(strcasecmp($format, 'HTML') === 0) {
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continue;
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}
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$query = str_replace('format=Html', 'format=' . $format, htmlentities($_SERVER['QUERY_STRING']));
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$buttons .= $this->buildButton($format, $query) . PHP_EOL;
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}
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$entries = '';
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foreach($this->getItems() as $item) {
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$entryAuthor = $item->getAuthor() ? '<br /><p class="author">by: ' . $item->getAuthor() . '</p>' : '';
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$entryTitle = $this->sanitizeHtml(strip_tags($item->getTitle()));
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$entryUri = $item->getURI() ?: $uri;
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$entryTimestamp = '';
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if($item->getTimestamp()) {
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$entryTimestamp = '<time datetime="'
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. date(DATE_ATOM, $item->getTimestamp())
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. '">'
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. date(DATE_ATOM, $item->getTimestamp())
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. '</time>';
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}
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$entryContent = '';
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if($item->getContent()) {
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$entryContent = '<div class="content">'
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. $this->sanitizeHtml($item->getContent())
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. '</div>';
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}
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$entryEnclosures = '';
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if(!empty($item->getEnclosures())) {
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$entryEnclosures = '<div class="attachments"><p>Attachments:</p>';
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foreach($item->getEnclosures() as $enclosure) {
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$url = $this->sanitizeHtml($enclosure);
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$entryEnclosures .= '<li class="enclosure"><a href="'
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. $url
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. '">'
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. substr($url, strrpos($url, '/') + 1)
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. '</a></li>';
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}
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$entryEnclosures .= '</div>';
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}
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$entryCategories = '';
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if(!empty($item->getCategories())) {
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$entryCategories = '<div class="categories"><p>Categories:</p>';
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foreach($item->getCategories() as $category) {
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$entryCategories .= '<li class="category">'
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. $this->sanitizeHtml($category)
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. '</li>';
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}
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$entryCategories .= '</div>';
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}
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$entries .= <<<EOD
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<section class="feeditem">
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<h2><a class="itemtitle" href="{$entryUri}">{$entryTitle}</a></h2>
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{$entryTimestamp}
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{$entryAuthor}
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{$entryContent}
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{$entryEnclosures}
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{$entryCategories}
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</section>
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EOD;
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}
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$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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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="{$charset}">
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<title>{$title}</title>
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<link href="static/HtmlFormat.css" rel="stylesheet">
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<meta name="robots" content="noindex, follow">
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</head>
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<body>
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<h1 class="pagetitle"><a href="{$uri}" target="_blank">{$title}</a></h1>
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<div class="buttons">
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<a href="./#bridge-{$_GET['bridge']}"><button class="backbutton">← back to rss-bridge</button></a>
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{$buttons}
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</div>
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{$entries}
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</body>
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</html>
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EOD;
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// Remove invalid characters
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ini_set('mbstring.substitute_character', 'none');
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$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('text/html; charset=' . $this->getCharset())
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->callContentType();
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return parent::display();
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}
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private function buildButton($format, $query) {
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return <<<EOD
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<a href="./?{$query}"><button class="rss-feed">{$format}</button></a>
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EOD;
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}
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}
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