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<?php |
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namespace WebStream\Annotation\Attributes; |
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use WebStream\Annotation\Base\Annotation; |
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use WebStream\Annotation\Base\IAnnotatable; |
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use WebStream\Annotation\Base\IMethod; |
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use WebStream\Container\Container; |
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use WebStream\Exception\Extend\CsrfException; |
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/** |
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* CsrfProtection |
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* @author Ryuichi TANAKA. |
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* @since 2015/05/08 |
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* @version 0.7 |
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* |
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* @Annotation |
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* @Target("METHOD") |
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*/ |
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class CsrfProtection extends Annotation implements IMethod |
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{ |
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/** |
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* @var array<string> 注入アノテーション情報 |
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*/ |
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private $injectAnnotation; |
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/** |
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* @var array<string> 読み込みアノテーション情報 |
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*/ |
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private $readAnnotation; |
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/** |
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* @var array<string, string> CSRF定数定義 |
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*/ |
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private $csrfProtectionDefinitions = [ |
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'tokenKey' => '__CSRF_TOKEN__', |
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'tokenHeader' => 'X-CSRF-Token' |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function onInject(array $injectAnnotation) |
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{ |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function onMethodInject(IAnnotatable $instance, \ReflectionMethod $method, Container $container) |
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{ |
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$tokenByRequest = null; |
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if (array_key_exists($this->csrfProtectionDefinitions['tokenKey'], $container->post)) { |
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$tokenByRequest = $container->post[$this->csrfProtectionDefinitions['tokenKey']]; |
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} elseif (array_key_exists($this->csrfProtectionDefinitions['tokenHeader'], $container->header)) { |
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$tokenByRequest = $container->header[$this->csrfProtectionDefinitions['tokenHeader']]; |
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} |
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$tokenInSession = $container->session->get($this->csrfProtectionDefinitions['tokenKey']); |
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$container->session->delete($this->csrfProtectionDefinitions['tokenKey']); |
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// POSTリクエスト以外はチェックしない |
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if ($container->requestMethod !== 'POST') { |
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return; |
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} |
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// リクエストトークン、セッショントークンが両方空はNG |
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if ($tokenInSession === null && $tokenByRequest === null) { |
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throw new CsrfException("Sent invalid CSRF token"); |
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} |
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// リクエストトークンとセッショントークンが一致しない場合NG |
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if ($tokenInSession !== $tokenByRequest) { |
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throw new CsrfException("Sent invalid CSRF token"); |
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} |
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} |
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} |
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webstream-framework /
WebStream
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This check marks private properties in classes that are never used. Those properties can be removed.