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<?php |
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declare(strict_types=1); |
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namespace DMK\MKSamlAuth\Session; |
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use TYPO3\CMS\Core\SingletonInterface; |
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class PhpSession implements SingletonInterface |
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{ |
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private const DEFAULT_SESSION_OPTIONS = [ |
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'name' => 'saml_auth', |
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'cookie_secure' => true, |
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'cookie_httponly' => true, |
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// 60 seconds should suffice to fill the login form |
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'cookie_lifetime' => 60, |
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// Session fixation protection: |
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'use_strict_mode' => true, |
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]; |
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private const SESSION_KEY = 'DMK_SESSION'; |
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/** |
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* @var bool |
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*/ |
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private $started = false; |
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/** |
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* Starts the new session. |
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*/ |
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public function start(): void |
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{ |
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if ($this->started) { |
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return; |
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} |
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session_start(self::DEFAULT_SESSION_OPTIONS); |
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if (empty($_SESSION[self::SESSION_KEY])) { |
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// Additional (in case strict mode fails for some reason) session fixation protection |
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session_regenerate_id(true); |
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$_SESSION = []; |
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$_SESSION[self::SESSION_KEY]['started'] = true; |
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} |
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$this->started = true; |
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} |
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/** |
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* Returns the session id. |
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* |
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* @return string |
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*/ |
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public function getId(): string |
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{ |
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$this->start(); |
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return session_id(); |
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} |
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/** |
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* Closes the session and write it down. |
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*/ |
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public function close(): void |
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{ |
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$this->started = false; |
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session_write_close(); |
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} |
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/** |
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* Sets a new value to the session. |
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* |
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* @param string $key |
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* @param mixed $value |
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*/ |
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public function set(string $key, $value): void |
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{ |
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$this->start(); |
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$_SESSION[self::SESSION_KEY][$key] = $value; |
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} |
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/** |
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* Gets a value from the storage, if the key could not be found |
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* it will return null. |
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* |
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* @param string $key |
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* |
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* @return mixed|null |
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*/ |
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public function get(string $key) |
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{ |
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$this->start(); |
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if (empty($_SESSION[self::SESSION_KEY][$key])) { |
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return null; |
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} |
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return $_SESSION[self::SESSION_KEY][$key]; |
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} |
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} |
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DMKEBUSINESSGMBH /
mksamlauth
