vendor/specshaper/encrypt-bundle/Subscribers/EncryptEventSubscriber.php line 74

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  1. <?php
  3. namespace SpecShaper\EncryptBundle\Subscribers;
  6. use SpecShaper\EncryptBundle\Encryptors\EncryptorInterface;
  7. use SpecShaper\EncryptBundle\Event\EncryptEventInterface;
  8. use SpecShaper\EncryptBundle\Event\EncryptEvents;
  9. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  11. /**
  12.  * Doctrine event subscriber which encrypt/decrypt entities
  13.  */
  14. class EncryptEventSubscriber implements EventSubscriberInterface
  15. {
  16.     /**
  17.      * Encryptor created by the factory service.
  18.      *
  19.      * @var EncryptorInterface
  20.      */
  21.     protected $encryptor;
  24.     /**
  25.      * Store if the encryption is enabled or disabled in config.
  26.      *
  27.      * @var boolean
  28.      */
  29.     private $isDisabled;
  31.     /**
  32.      * EncryptSubscriber constructor.
  33.      *
  34.      * @param EncryptorInterface $encryptor
  35.      * @param                    $isDisabled
  36.      */
  37.     public function __construct(EncryptorInterface $encryptor, $isDisabled)
  38.     {
  39.         $this->encryptor = $encryptor;
  40.         $this->isDisabled = $isDisabled;
  42.     }
  44.     /**
  45.      * Return the encryptor.
  46.      *
  47.      * @return \SpecShaper\EncryptBundle\Encryptors\EncryptorInterface
  48.      */
  49.     public function getEncryptor()
  50.     {
  51.         return $this->encryptor;
  52.     }
  54.     /**
  55.      * Realization of EventSubscriber interface method.
  56.      * @return array Return all events which this subscriber is listening
  57.      */
  58.     public static function getSubscribedEvents()
  59.     {
  60.         return array(
  62.             EncryptEvents::ENCRYPT => 'encrypt',
  63.             EncryptEvents::DECRYPT => 'decrypt',
  64.         );
  65.     }
  67.     /**
  68.      * Use an Encrypt even to encrypt a value.
  69.      *
  70.      * @param EncryptEventInterface $event
  71.      *
  72.      * @return EncryptEventInterface
  73.      */
  74.     public function encrypt(EncryptEventInterface $event){
  76.         $value = $event->getValue();
  78.         if($this->isDisabled === false) {
  79.             $value = $this->encryptor->encrypt($value);
  80.         }
  82.         $event->setValue($value);
  84.         return $event;
  85.     }
  87.     /**
  88.      * Use a decrypt event to decrypt a single value.
  89.      *
  90.      * @param EncryptEventInterface $event
  91.      *
  92.      * @return EncryptEventInterface
  93.      */
  94.     public function decrypt(EncryptEventInterface $event){
  96.         $value = $event->getValue();
  98.         $decrypted = $this->getEncryptor()->decrypt($value);
  100.         $event->setValue($decrypted);
  102.         return $event;
  103.     }
  105.     /**
  106.      * Decrypt a value.
  107.      *
  108.      * If the value is an object, or if it does not contain the suffic <ENC> then return the value iteslf back.
  109.      * Otherwise, decrypt the value and return.
  110.      *
  111.      * @param $value
  112.      *
  113.      * @return string
  114.      */
  115.     public function decryptValue($value){
  117.         // Else decrypt value and return.
  118.         $decrypted = $this->getEncryptor()->decrypt($value);
  120.         return $decrypted;
  122.     }
  124. }