/**
* {@inheritdoc}
*/
function decrypt($text)
{
// Get settings.
$settings = $this->config->get('encrypt.settings');
// Load the key.
$key = $this->key->getKey($settings->get('encryption_key'));
// Load the encryption method.
$enc_method = $this->manager->createInstance($settings->get('encryption_method'));
// Return the encrypted string.
return $enc_method->decrypt($text, $key->getKeyValue());
}
/**
* Get the used encryption key.
*
* @param string $text
* The text to encrypt / decrypt.
* @param \Drupal\encrypt\Entity\EncryptionProfile $encryption_profile
* The encryption profile to use.
*
* @return string
* The encryption key value.
*
* @throws \Drupal\encrypt\Exception\EncryptException
* Can throw an EncryptException.
*/
protected function getEncryptionKeyValue($text, EncryptionProfile $encryption_profile)
{
// Load the encryption method.
$enc_method = $encryption_profile->getEncryptionMethod();
$this->encryptionMethod = $this->encryptManager->createInstance($enc_method);
// Load the encryption key.
$key_value = $this->loadEncryptionProfileKey($encryption_profile);
// Check for missing dependencies.
$errors = $this->encryptionMethod->checkDependencies($text, $key_value);
if (!empty($errors)) {
// Throw an exception with the errors from the encryption method.
throw new EncryptException(implode('; ', $errors));
} else {
return $key_value;
}
}
/**
* Loads an encryption profile method.
* @param \Drupal\encrypt\Entity\EncryptionProfile $enc_profile
*/
private function loadEncryptionMethod($enc_profile)
{
// Load the encryption method.
$enc_method = $enc_profile->getEncryptionMethod();
return $this->encryptManager->createInstance($enc_method);
}
