public static UrlHelper::externalIsLocal($url, $base_url)
Determines if an external URL points to this installation.
Parameters
string $url: A string containing an external URL, such as "http://example.com/foo".
string $base_url: The base URL string to check against, such as "http://example.com/"
Return value
bool TRUE if the URL has the same domain and base path.
Throws
\InvalidArgumentException Exception thrown when a either $url or $bath_url are not fully qualified.
File
- core/lib/Drupal/Component/Utility/UrlHelper.php, line 245
Class
- UrlHelper
- Helper class URL based methods.
Namespace
Drupal\Component\Utility
Code
public static function externalIsLocal($url, $base_url) {
$url_parts = parse_url($url);
$base_parts = parse_url($base_url);
if (empty($base_parts['host']) || empty($url_parts['host'])) {
throw new \InvalidArgumentException('A path was passed when a fully qualified domain was expected.');
}
if (!isset($url_parts['path']) || !isset($base_parts['path'])) {
return (!isset($base_parts['path']) || $base_parts['path'] == '/')
&& ($url_parts['host'] == $base_parts['host']);
}
else {
// When comparing base paths, we need a trailing slash to make sure a
// partial URL match isn't occurring. Since base_path() always returns
// with a trailing slash, we don't need to add the trailing slash here.
return ($url_parts['host'] == $base_parts['host'] && stripos($url_parts['path'], $base_parts['path']) === 0);
}
}
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