KeyGeneratorService.php in Simple OAuth (OAuth2) & OpenID Connect 5.x

Namespace

Drupal\simple_oauth\Service

File

src/Service/KeyGeneratorService.php

<?php

namespace Drupal\simple_oauth\Service;

use Drupal\Core\File\FileSystemInterface;
use Drupal\simple_oauth\Service\Filesystem\FileSystemChecker;
use Drupal\simple_oauth\Service\Filesystem\FilesystemValidator;

/**
 * Generates the signature keys.
 *
 * @internal
 */
class KeyGeneratorService {

  /**
   * The filesystem service.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  private $fileSystem;

  /**
   * The filesystem checker.
   *
   * @var \Drupal\simple_oauth\Service\Filesystem\FileSystemChecker
   */
  private $fileSystemChecker;

  /**
   * The filesystem validator.
   *
   * @var \Drupal\simple_oauth\Service\Filesystem\FilesystemValidator
   */
  private $validator;

  /**
   * KeyGeneratorService constructor.
   *
   * @param \Drupal\simple_oauth\Service\Filesystem\FileSystemChecker $file_system_checker
   *   The file system checker.
   * @param \Drupal\Core\File\FileSystemInterface $file_system
   *   The file system service.
   */
  public function __construct(FileSystemChecker $file_system_checker, FileSystemInterface $file_system) {
    $this->fileSystemChecker = $file_system_checker;
    $this->fileSystem = $file_system;
    $this->validator = new FilesystemValidator($file_system_checker);
  }

  /**
   * Generate both public key and private key on the given paths.
   *
   * If no public path is given, then the private path is going to be use for
   * both keys.
   *
   * @param string $dir_path
   *   Private key path.
   *
   * @throws \Drupal\simple_oauth\Service\Exception\ExtensionNotLoadedException
   * @throws \Drupal\simple_oauth\Service\Exception\FilesystemValidationException
   */
  public function generateKeys($dir_path) {

    // Create path array.
    $key_names = [
      'private',
      'public',
    ];

    // Validate.
    $this->validator
      ->validateOpensslExtensionExist('openssl');
    $this->validator
      ->validateAreDirs([
      $dir_path,
    ]);
    $this->validator
      ->validateAreWritable([
      $dir_path,
    ]);

    // Create Keys array.
    $keys = KeyGenerator::generateKeys();

    // Create both keys.
    foreach ($key_names as $name) {

      // Key uri.
      $key_uri = "{$dir_path}/{$name}.key";

      // Remove old key, if existing.
      if (file_exists($key_uri)) {
        $this->fileSystem
          ->unlink($key_uri);
      }

      // Write key content to key file.
      $this->fileSystemChecker
        ->write($key_uri, $keys[$name]);

      // Set correct permission to key file.
      $this->fileSystem
        ->chmod($key_uri, 0600);
    }
  }

}

Classes

Name	Description
KeyGeneratorService	Generates the signature keys.