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<?php |
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namespace Ubiquity\utils\http\session\protection; |
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use Ubiquity\utils\http\session\AbstractSession; |
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use Ubiquity\utils\http\UCookie; |
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use Ubiquity\log\Logger; |
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/** |
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* Ubiquity\utils\http\session\protection$VerifyCsrfToken |
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* This class is part of Ubiquity |
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* |
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* @author jc |
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* @version 1.0.1 |
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* |
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*/ |
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class VerifyCsrfToken implements VerifySessionCsrfInterface { |
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private AbstractSession $sessionInstance; |
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private const TOKEN_KEY = 'X-XSRF-TOKEN'; |
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public function __construct(AbstractSession $sessionInstance) { |
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$this->sessionInstance = $sessionInstance; |
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} |
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protected function csrfErrorLog() { |
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$context = []; |
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$context ['HOST'] = $_SERVER ['HTTP_HOST']; |
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$context ['REQUEST_URI'] = $_SERVER ['REQUEST_URI']; |
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$context ['REQUEST_METHOD'] = $_SERVER ['REQUEST_METHOD']; |
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$context ['cookie'] = $_COOKIE; |
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Logger::error ( 'Session', 'CSRF protector validation failure!', 'startSession', $context ); |
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} |
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public function init(): void { |
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$token = new CsrfToken (); |
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$this->sessionInstance->set ( self::TOKEN_KEY, $token ); |
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UCookie::set ( $token->getName (), $token->getValue (), null ); |
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} |
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public function clear(): void { |
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$token = $this->sessionInstance->get ( self::TOKEN_KEY ); |
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$this->sessionInstance->delete ( self::TOKEN_KEY ); |
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if (isset ( $token )) { |
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UCookie::delete ( $token->getName () ); |
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} |
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} |
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public function start(): void { |
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$token = $this->sessionInstance->get ( self::TOKEN_KEY ); |
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if (isset ( $token )) { |
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if (! $token instanceof CsrfToken || ! hash_equals ( $token->getValue (), '' . UCookie::get ( $token->getName () ) )) { |
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if (Logger::isActive ()) { |
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$this->csrfErrorLog (); |
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} |
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$this->clear(); |
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$this->sessionInstance->terminate (); |
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} |
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return; |
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} |
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$this->init (); |
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} |
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public static function getLevel(): int { |
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return 1; |
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} |
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} |
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phpMv /
ubiquity
