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<?php |
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declare(strict_types=1); |
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namespace AbterPhp\Framework\Http\Middleware; |
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use AbterPhp\Framework\Constant\Env; |
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use AbterPhp\Framework\Security\SecurityException; |
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use Closure; |
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use Opulence\Cache\ICacheBridge; |
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use Opulence\Environments\Environment; |
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use Opulence\Http\Requests\Request; |
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use Opulence\Http\Responses\Response; |
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use Opulence\Routing\Middleware\IMiddleware; |
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class Security implements IMiddleware |
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{ |
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const KEY = 'abterphp:security'; |
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const TEST_DB_PASSWORD = '28T3pqyvKG3tEgsjE8Rj'; |
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const TEST_ENCRYPTION_KEY = 'b8fbb40c129ad0e426e19b7d28f42e517ce639282e55ba7a98bd2b698fda7daa'; |
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const TEST_CRYPTO_FRONTEND_SALT = 'R6n9gNH9ND6USc6D'; |
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const TEST_CRYPTO_ENCRYPTION_PEPPER = 'h9fyyWr36vBnky9G'; |
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const TEST_OAUTH2_PRIVATE_KEY_PATH = '/website/tests/resources/private.key'; |
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const TEST_OAUTH2_PRIVATE_KEY_PASSWORD = '8a!J2SZ9%WBII#9Z'; |
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const TEST_OAUTH2_PUBLIC_KEY_PATH = '/website/tests/resources/public.key'; |
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const TEST_OAUTH2_ENCRYPTION_KEY = 'def00000cea4c75b84279f43b56dd90851609717c5d29c215fd2c67f9b1acb0c3b1c5ff8528dbeecf0c1f368baa33284aa36d00b24994872970933e8881802287553ff7d'; // nolint |
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/** @var ICacheBridge */ |
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protected $cacheBridge; |
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/** @var string */ |
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protected $environment; |
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/** @var string[] */ |
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protected $environmentData; |
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/** @var string[] */ |
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protected $settings; |
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/** |
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* Security constructor. |
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* |
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* @param ICacheBridge $cacheBridge |
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* @param string $environment |
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*/ |
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public function __construct(ICacheBridge $cacheBridge, string $environment) |
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{ |
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$this->cacheBridge = $cacheBridge; |
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$this->environment = $environment; |
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} |
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/** |
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* @param string $key |
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* |
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* @return string |
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*/ |
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public function getVar(string $key): string |
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{ |
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if (!isset($this->environmentData[$key])) { |
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return (string)Environment::getVar($key); |
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} |
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return (string)$this->environmentData[$key]; |
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} |
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/** |
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* @param array $environmentData |
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* |
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* @return $this |
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*/ |
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public function setVar(array $environmentData): Security |
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{ |
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$this->environmentData = $environmentData; |
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return $this; |
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} |
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/** |
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* @param string $key |
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* |
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* @return string |
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*/ |
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public function getSetting(string $key): string |
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{ |
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if (!isset($this->settings[$key])) { |
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return (string)ini_get($key); |
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} |
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return (string)$this->settings[$key]; |
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} |
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/** |
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* @param array $settings |
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* |
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* @return Security |
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*/ |
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public function setSettings(array $settings): Security |
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{ |
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$this->settings = $settings; |
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return $this; |
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} |
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// $next consists of the next middleware in the pipeline |
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public function handle(Request $request, Closure $next): Response |
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{ |
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if ($this->environment !== Environment::PRODUCTION) { |
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return $next($request); |
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} |
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// phpcs:disable Generic.CodeAnalysis.EmptyStatement |
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try { |
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if ($this->cacheBridge->get(static::KEY)) { |
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return $next($request); |
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} |
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} catch (\Exception $e) { |
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// It's always safe to check potential security risks, only makes the response slightly slower |
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} |
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// phpcs:enable Generic.CodeAnalysis.EmptyStatement |
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$this->checkSecrets(); |
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$this->checkPhpSettings(); |
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$this->cacheBridge->set(static::KEY, true, PHP_INT_MAX); |
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return $next($request); |
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} |
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private function checkSecrets() |
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{ |
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if ($this->getVar(Env::DB_PASSWORD) === static::TEST_DB_PASSWORD) { |
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throw new SecurityException('Invalid DB_PASSWORD environment variable.'); |
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} |
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if ($this->getVar(Env::ENCRYPTION_KEY) === static::TEST_ENCRYPTION_KEY) { |
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throw new SecurityException('Invalid ENCRYPTION_KEY environment variable.'); |
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} |
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if ($this->getVar(Env::CRYPTO_FRONTEND_SALT) === static::TEST_CRYPTO_FRONTEND_SALT) { |
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throw new SecurityException('Invalid CRYPTO_FRONTEND_SALT environment variable.'); |
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} |
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if ($this->getVar(Env::CRYPTO_ENCRYPTION_PEPPER) === static::TEST_CRYPTO_ENCRYPTION_PEPPER) { |
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throw new SecurityException('Invalid CRYPTO_ENCRYPTION_PEPPER environment variable.'); |
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} |
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if ($this->getVar(Env::OAUTH2_PRIVATE_KEY_PATH) === static::TEST_OAUTH2_PRIVATE_KEY_PATH) { |
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throw new SecurityException('Invalid OAUTH2_PRIVATE_KEY_PATH environment variable.'); |
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} |
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if ($this->getVar(Env::OAUTH2_PRIVATE_KEY_PASSWORD) === static::TEST_OAUTH2_PRIVATE_KEY_PASSWORD) { |
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throw new SecurityException('Invalid OAUTH2_PRIVATE_KEY_PASSWORD environment variable.'); |
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} |
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if ($this->getVar(Env::OAUTH2_PUBLIC_KEY_PATH) === static::TEST_OAUTH2_PUBLIC_KEY_PATH) { |
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throw new SecurityException('Invalid OAUTH2_PUBLIC_KEY_PATH environment variable.'); |
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} |
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if ($this->getVar(Env::OAUTH2_ENCRYPTION_KEY) === static::TEST_OAUTH2_ENCRYPTION_KEY) { |
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throw new SecurityException('Invalid OAUTH2_ENCRYPTION_KEY environment variable.'); |
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} |
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} |
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private function checkPhpSettings() |
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{ |
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if ($this->getSetting('display_errors')) { |
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throw new SecurityException('Unacceptable `display_errors` value for production.'); |
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} |
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} |
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} |
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abterphp /
framework
