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<?php |
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/** |
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* Class SessionHandlerAbstract |
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* |
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* @filesource SessionHandlerAbstract.php |
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* @created 06.03.2017 |
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* @package chillerlan\Session |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Session; |
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use chillerlan\Logger\LogTrait; |
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use chillerlan\Traits\ContainerInterface; |
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use Psr\Log\LoggerAwareInterface; |
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use SessionHandlerInterface; |
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abstract class SessionHandlerAbstract implements SessionHandlerInterface, SessionInterface, LoggerAwareInterface{ |
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use LogTrait; |
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/** |
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* @var bool |
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*/ |
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protected $started = false; |
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/** |
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* @var \chillerlan\Session\SessionHandlerOptions |
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*/ |
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protected $options; |
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/** |
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* SessionHandlerAbstract constructor. |
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* |
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* @param \chillerlan\Traits\ContainerInterface $options |
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*/ |
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public function __construct(ContainerInterface $options = null){ |
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$this->options = $options ?? new SessionHandlerOptions; |
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$this->set_session_options(); |
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session_set_save_handler($this, true); |
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} |
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/** @inheritdoc */ |
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public function start():SessionInterface{ |
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$cookie_params = session_get_cookie_params(); |
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session_start(); |
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session_regenerate_id(true); |
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setcookie( |
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session_name(), |
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session_id(), |
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time()+$this->options->cookie_lifetime, |
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$this->options->cookie_path, |
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$cookie_params['domain'] |
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); |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function end():SessionInterface{ |
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session_regenerate_id(true); |
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setcookie(session_name(), '', 0, $this->options->cookie_path); |
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session_unset(); |
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session_destroy(); |
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session_write_close(); |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function get(string $name){ |
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return $_SESSION[$name] ?? null; |
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} |
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/** @inheritdoc */ |
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public function set(string $name, $value):SessionInterface{ |
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$_SESSION[$name] = $value; |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function unset(string $name):SessionInterface{ |
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unset($_SESSION[$name]); |
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return $this; |
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} |
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/** @inheritdoc */ |
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public function isset(string $name):bool{ |
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return isset($_SESSION[$name]); |
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} |
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/** |
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* @param string $data |
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* |
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* @return string |
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* @throws \chillerlan\Session\SessionHandlerException |
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*/ |
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protected function encrypt(string &$data):string { |
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if(function_exists('sodium_crypto_secretbox')){ |
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$box = sodium_crypto_secretbox($data, $this::SESSION_NONCE, sodium_hex2bin($this->options->sessionCryptoKey)); |
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sodium_memzero($data); |
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return sodium_bin2hex($box); |
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} |
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throw new SessionHandlerException('sodium not installed'); // @codeCoverageIgnore |
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} |
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/** |
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* @param string $box |
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* |
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* @return string |
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* @throws \chillerlan\Session\SessionHandlerException |
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*/ |
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protected function decrypt(string $box):string { |
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if(function_exists('sodium_crypto_secretbox_open')){ |
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return sodium_crypto_secretbox_open(sodium_hex2bin($box), $this::SESSION_NONCE, sodium_hex2bin($this->options->sessionCryptoKey)); |
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} |
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throw new SessionHandlerException('sodium not installed'); // @codeCoverageIgnore |
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} |
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/** |
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* @return void |
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*/ |
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protected function set_session_options(){ |
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if(is_writable($this->options->save_path)){ |
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ini_set('session.save_path', $this->options->save_path); |
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} |
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// @todo http://php.net/manual/session.configuration.php |
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ini_set('session.name', $this->options->session_name); |
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ini_set('session.gc_maxlifetime', $this->options->gc_maxlifetime); |
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ini_set('session.gc_probability', 1); |
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ini_set('session.gc_divisor', 100); |
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ini_set('session.use_strict_mode', true); |
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ini_set('session.use_only_cookies', true); |
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ini_set('session.cookie_secure', false); // @todo |
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ini_set('session.cookie_httponly', true); |
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ini_set('session.cookie_lifetime', 0); |
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# ini_set('session.referer_check', ''); |
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if(PHP_VERSION_ID < 70100){ |
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ini_set('session.hash_bits_per_character', 6); |
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if(in_array($this->options->hash_algo, hash_algos())){ |
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ini_set('session.hash_function', $this->options->hash_algo); |
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} |
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} |
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else{ |
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ini_set('session.sid_bits_per_character', 6); |
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ini_set('session.sid_length', 128); |
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} |
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167
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} |
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169
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} |
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chillerlan /
php-session
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