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XmlListProvider.php
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XmlListProvider.php
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<?php
/**
* Created by Two Developers - Sven Motz und Jens Averkamp GbR
* http://www.two-developers.com
*
* Author: Jens Averkamp
*/
namespace TwoDevs\ReferrerSpamDetector\Provider;
use Pdp\Uri\Url;
use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Stream\File;
class XmlListProvider implements ProviderInterface
{
/** @var string */
protected $file;
/**
* @param string $file
*/
public function __construct($file)
{
if (!is_file($file) || !is_readable($file)) {
throw new \RuntimeException(sprintf('Cannot open file "%s"', $file));
}
$this->file = $file;
}
/**
* {@inheritdoc}
*/
public function isSpamReferrer(Url $url)
{
$url = $url->toArray();
if (!isset($url['registerableDomain'], $url['host'], $url['publicSuffix'])) {
return false;
}
$provider = new File($this->file, 1024);
$parser = new XmlStringStreamer\Parser\StringWalker();
$streamer = new XmlStringStreamer($parser, $provider);
while ($node = $streamer->getNode()) {
$domain = (string) simplexml_load_string($node);
if (in_array($domain, [$url['registerableDomain'], $url['host'], $url['publicSuffix']])) {
return true;
}
}
return false;
}
}