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<?php
/**
* Class Google\Site_Kit\Core\Storage\Encrypted_Options
*
* @package Google\Site_Kit
* @copyright 2021 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Core\Storage;
/**
* Class providing access to encrypted options.
*
* @since 1.0.0
* @access private
* @ignore
*/
final class Encrypted_Options implements Options_Interface {
/**
* Data Encryption API instance.
*
* @since 1.0.0
* @var Data_Encryption
*/
private $encryption;
/**
* Option API instance.
*
* @since 1.0.0
* @var Options
*/
private $options;
/**
* Constructor.
*
* @since 1.0.0
*
* @param Options $options Option API instance.
*/
public function __construct( Options $options ) {
$this->encryption = new Data_Encryption();
$this->options = $options;
}
/**
* Checks whether or not a value is set for the given option.
*
* @since 1.3.0
*
* @param string $option Option name.
* @return bool True if value set, false otherwise.
*/
public function has( $option ) {
return $this->options->has( $option );
}
/**
* Gets the value of the given option.
*
* @since 1.0.0
*
* @param string $option Option name.
* @return mixed Value set for the option, or false if not set.
*/
public function get( $option ) {
$raw_value = $this->options->get( $option );
// If there is no value stored, return the default which will not be encrypted.
if ( ! $this->options->has( $option ) ) {
return $raw_value;
}
$data = $this->encryption->decrypt( $raw_value );
return maybe_unserialize( $data );
}
/**
* Sets the value for a option.
*
* @since 1.0.0
*
* @param string $option Option name.
* @param mixed $value Option value. Must be serializable if non-scalar.
* @return bool True on success, false on failure.
*/
public function set( $option, $value ) {
if ( ! is_scalar( $value ) ) {
$value = maybe_serialize( $value );
}
$raw_value = $this->encryption->encrypt( $value );
if ( ! $raw_value ) {
return false;
}
return $this->options->set( $option, $raw_value );
}
/**
* Deletes the given option.
*
* @since 1.0.0
*
* @param string $option Option name.
* @return bool True on success, false on failure.
*/
public function delete( $option ) {
return $this->options->delete( $option );
}
}