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<?php
namespace Plesk\Wappspector\Matchers;
use League\Flysystem\Filesystem;
use League\Flysystem\FilesystemException;
use Plesk\Wappspector\MatchResult\EmptyMatchResult;
use Plesk\Wappspector\MatchResult\MatchResultInterface;
use Plesk\Wappspector\MatchResult\Wordpress as MatchResult;
class Wordpress implements MatcherInterface
{
private const VERSION_FILE = 'wp-includes/version.php';
/**
* @throws FilesystemException
*/
private function detectVersion(Filesystem $fs, string $path): ?string
{
$versionFile = rtrim($path, '/') . '/' . self::VERSION_FILE;
preg_match("/\\\$wp_version\\s*=\\s*'([^']+)'/", $fs->read($versionFile), $matches);
if ($matches !== []) {
return $matches[1];
}
return null;
}
/**
* @throws FilesystemException
*/
private function isWordpress(Filesystem $fs, string $path): bool
{
$versionFile = rtrim($path, '/') . '/' . self::VERSION_FILE;
if (!$fs->fileExists($versionFile)) {
return false;
}
$fileContents = $fs->read($versionFile);
return stripos($fileContents, '$wp_version =') !== false;
}
/**
* @throws FilesystemException
*/
public function match(Filesystem $fs, string $path): MatchResultInterface
{
if (!$this->isWordpress($fs, $path)) {
return new EmptyMatchResult();
}
return new MatchResult($path, $this->detectVersion($fs, $path));
}
}