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<?php
namespace Endeavors\Components\Routing;
use Carbon\Carbon;
use Illuminate\Http\Request;
class SignatureValidator
{
private $request;
private $keyResolver;
public function __construct(Request $request)
$this->request = $request;
}
public function passes()
$original = rtrim($this->request->url().'?'.http_build_query(
Arr::except($this->request->query(), 'signature')
), '?');
$expires = Arr::get($this->request->query(), 'expires');
$signature = hash_hmac('sha256', $original, call_user_func($this->keyResolver));
return hash_equals($signature, $this->request->query('signature', '')) && !($expires && Carbon::now()->getTimestamp() > $expires);
public function setKeyResolver(callable $keyResolver)
$this->keyResolver = $keyResolver;
return $this;
hendeavors /
components-routing
