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Merge pull request #56 from FriendsOfREDAXO/skerbis-rss-simpleXML
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RSS mit SimpleXML
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@alxndr-w
alxndr-w authored Jan 1, 2024
2 parents 9eabd0b + 01e828e commit 39e7576
Showing 1 changed file with 34 additions and 65 deletions.
99 changes: 34 additions & 65 deletions lib/rex_api_neues_rss.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2,98 +2,67 @@

class rex_api_neues_rss extends rex_api_function
{
protected $published = true; // Aufruf aus dem Frontend erlaubt
protected $published = true; // Erlaubt den Aufruf aus dem Frontend

public function execute(): void
{
$domain_id = rex_request('domain_id', 'int', null);
$lang_id = rex_request('lang_id', 'int', null);
$category_id = rex_request('category_id', 'int', null);

if($category_id && $category = neues_category::get($category_id)) {
/** @var neues_category $category */
if ($category_id && $category = neues_category::get($category_id)) {
$collection = neues_entry::findOnline($category_id);
$filename = 'rss.neues.' . rex_string::normalize($category->getName()) . '.xml';
$description = 'RSS-FEED: ' . rex::getServerName() . ' | ' . rex_escape($category->getName());
} else {
$collection = neues_entry::findOnline();
$description = 'RSS-FEED: ' . rex::getServerName();
$filename = 'rss.neues.xml';
}
header('Content-Type: application/rss+xml; charset=utf-8');
exit(self::getRssFeed($collection, $domain_id, $lang_id, $filename));

rex_response::cleanOutputBuffers();
rex_response::sendContentType('application/xml; charset=utf-8');

// RSS-Feed generieren und ausgeben
echo self::getRssFeed($collection, $domain_id, $lang_id, $description, $filename);
exit;
}

public static function getRssFeed(rex_yform_manager_collection $collection, $domain, $lang, $filename)
public static function getRssFeed($collection, $domain, $lang, $description, $filename)
{
return self::createRssFeed($collection, $domain, $lang, $filename);
return self::createRssFeed($collection, $domain, $lang, $description, $filename);
}

public static function createRssFeed(?rex_yform_manager_collection $collection = null, $domain = null, $lang = null, $filename = 'rss.neues.xml')
public static function joinUrls($url1, $url2)
{
if (!$collection) {
$collection = neues_entry::findOnline();
}

$xml = new DOMDocument('1.0', 'utf-8');
$xml->formatOutput = true;

$rss = $xml->createElement('rss');
$rss->setAttribute('version', '2.0');
$xml->appendChild($rss);

$channel = $xml->createElement('channel');
$rss->appendChild($channel);
return rtrim($url1, '/') . '/' . ltrim($url2, '/');
}

$head_title = $xml->createElement('title', rex::getServerName());
$channel->appendChild($head_title);
public static function createRssFeed(rex_yform_manager_collection $collection, $domain, $lang, $description, $filename = 'rss.neues.xml')
{
$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom"></rss>');

$head_description = $xml->createElement('description', '');
$channel->appendChild($head_description);
$channel = $xml->addChild('channel');
$channel->addChild('title', rex::getServerName());
$channel->addChild('description', $description);
$channel->addChild('link', rex::getServer());

if ($lang) {
$head_language = $xml->createElement('language', $lang->getCode());
$channel->appendChild($head_language);
if ($lang && $lang > 0) {
$channel->addChild('language', rex_clang::get($lang)->getCode());
}

$head_link = $xml->createElement('link', rex::getServer());
$channel->appendChild($head_link);

foreach ($collection as $entry) {
/** @var neues_entry $entry */
$item = $xml->createElement('item');
$channel->appendChild($item);

$item_title = $xml->createElement('title', htmlspecialchars($entry->getName()));
$item->appendChild($item_title);

$item_description = $xml->createElement('description', htmlspecialchars(strip_tags($entry->getDescription())));
$item->appendChild($item_description);

$item_link = $xml->createElement('link', rex::getServer() . $entry->getUrl());
$item->appendChild($item_link);

$item_pubDate = $xml->createElement('pubDate', date('r', strtotime($entry->getPublishDate())));
$item->appendChild($item_pubDate);

$item_guid = $xml->createElement('guid', self::guidv4(str_pad($entry->getId(), 16, '0', STR_PAD_LEFT)));
$item->appendChild($item_guid);
$item = $channel->addChild('item');
$item->addChild('title', htmlspecialchars($entry->getName()));
$item->addChild('description', htmlspecialchars(strip_tags($entry->getDescription())));
$item->addChild('link', self::joinUrls(rex::getServer(), $entry->getUrl()));
$item->addChild('pubDate', date('r', strtotime($entry->getPublishDate())));
$item->addChild('guid', self::joinUrls(rex::getServer(), $entry->getUrl()))->addAttribute('isPermaLink', 'true');
}

$return = $xml->saveXML();
$xml->save(rex_path::base($filename));
return $return;
}

public static function guidv4($data = null)
{
// Generate 16 bytes (128 bits) of random data or use the data passed into the function.
$data ??= random_bytes(16);

// Set version to 0100
$data[6] = chr(ord($data[6]) & 0x0F | 0x40);
// Set bits 6-7 to 10
$data[8] = chr(ord($data[8]) & 0x3F | 0x80);

// Output the 36 character UUID.
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
// Speichern und ausgeben des XML
$xml->asXML(rex_path::base($filename));
return $xml->asXML();
}
}

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