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<?php
namespace Drupal\Core;
use Drupal\Core\State\StateInterface;
use Drupal\Component\Utility\Crypt;
/**
* Manages the Drupal private key.
*/
class PrivateKey {
/**
* The state service.
*
* @var \Drupal\Core\State\StateInterface
*/
protected $state;
/**
* Constructs the token generator.
*
* @param \Drupal\Core\State\StateInterface $state
* The state service.
*/
public function __construct(StateInterface $state) {
$this->state = $state;
}
/**
* Gets the private key.
*
* @return string
* The private key.
*/
public function get() {
if (!$key = $this->state->get('system.private_key')) {
$key = $this->create();
$this->set($key);
}
return $key;
}
/**
* Sets the private key.
*
* @param string $key
* The private key to set.
*/
public function set($key) {
return $this->state->set('system.private_key', $key);
}
/**
* Creates a new private key.
*
* @return string
* The private key.
*/
protected function create() {
return Crypt::randomBytesBase64(55);
}
}