Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php \Drupal\Core\EventSubscriber\RssResponseRelativeUrlFilter::transformRootRelativeUrlsToAbsolute()
2. 8.9.x core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php \Drupal\Core\EventSubscriber\RssResponseRelativeUrlFilter::transformRootRelativeUrlsToAbsolute()
3. 10 core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php \Drupal\Core\EventSubscriber\RssResponseRelativeUrlFilter::transformRootRelativeUrlsToAbsolute()

Converts all root-relative URLs to absolute URLs in RSS markup.

Does not change any existing protocol-relative or absolute URLs.

Parameters

string $rss_markup: The RSS markup to update.

\Symfony\Component\HttpFoundation\Request $request: The current request.

Return value

string The updated RSS markup.

1 call to RssResponseRelativeUrlFilter::transformRootRelativeUrlsToAbsolute()

RssResponseRelativeUrlFilter::onResponse in core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php

Converts relative URLs to absolute URLs.

File

core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php, line 45

Class

RssResponseRelativeUrlFilter

Subscribes to filter RSS responses, to make relative URIs absolute.

Namespace

Drupal\Core\EventSubscriber

Code

protected function transformRootRelativeUrlsToAbsolute($rss_markup, Request $request) {
    $rss_dom = new \DOMDocument();
    // Load the RSS, if there are parsing errors, abort and return the unchanged
    // markup.
    $previous_value = libxml_use_internal_errors(TRUE);
    $rss_dom->loadXML($rss_markup);
    $errors = libxml_get_errors();
    libxml_use_internal_errors($previous_value);
    if ($errors) {
        return $rss_markup;
    }
    // Invoke Html::transformRootRelativeUrlsToAbsolute() on all HTML content
    // embedded in this RSS feed.
    foreach ($rss_dom->getElementsByTagName('item') as $item) {
        foreach ($item->getElementsByTagName('description') as $node) {
            $html_markup = $node->nodeValue;
            if (!empty($html_markup)) {
                $node->replaceChild($rss_dom->createTextNode(Html::transformRootRelativeUrlsToAbsolute($html_markup, $request->getSchemeAndHttpHost())), $node->firstChild);
            }
        }
    }
    return $rss_dom->saveXML();
}

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