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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System;
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// ------------------------------------------------------------------------
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use Psr\Log\LoggerAwareInterface;
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use Psr\Log\LoggerInterface;
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use O2System\Session\Abstracts\AbstractHandler;
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use O2System\Spl\Iterators\ArrayIterator;
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use Traversable;
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/**
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* Class Session
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*
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* @package O2System
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*/
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class Session implements \ArrayAccess, \IteratorAggregate, LoggerAwareInterface
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{
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/**
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* Session Config
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*
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* @var Kernel\DataStructures\Config
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*/
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protected $config;
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/**
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* Logger Instance
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*
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* @var LoggerInterface
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*/
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protected $logger;
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/**
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* Session Cache Platform Handler
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*
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* @var AbstractHandler
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*/
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protected $handler;
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protected $sidRegexp;
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// ------------------------------------------------------------------------
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/**
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* Session::__construct
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*
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* @param Kernel\DataStructures\Config $config
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*
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* @return Session
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*/
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public function __construct(Kernel\DataStructures\Config $config)
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{
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language()
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->addFilePath(__DIR__ . DIRECTORY_SEPARATOR)
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->loadFile('session');
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$this->config = $config;
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if ($this->config->offsetExists('handler')) {
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$handlerClassName = '\O2System\Session\Handlers\\' . ucfirst($this->config->handler) . 'Handler';
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if (class_exists($handlerClassName)) {
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$this->handler = new $handlerClassName(clone $this->config);
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}
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Session::isSupported
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*
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* Checks if server is support cache storage platform.
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*
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* @param string $platform Platform name.
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*
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* @return bool
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*/
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public static function isSupported($platform)
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{
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$handlerClassName = '\O2System\Session\Handlers\\' . ucfirst($platform) . 'Handler';
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if (class_exists($handlerClassName)) {
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return (new $handlerClassName)->isSupported();
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}
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return false;
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}
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// ------------------------------------------------------------------------
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/**
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* Session::setLogger
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*
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* Sets a logger instance on the object
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*
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* @param LoggerInterface $logger
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*
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* @return void
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*/
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public function setLogger(LoggerInterface $logger)
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{
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$this->logger =& $logger;
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// Load Session Language
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language()->loadFile('session');
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if (isset($this->handler)) {
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$this->handler->setLogger($this->logger);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Session::start
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*
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* Initialize Native PHP Session.
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*
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* @return void
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*/
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public function start()
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{
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if (php_sapi_name() === 'cli') {
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if ($this->logger instanceof LoggerInterface) {
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$this->logger->debug('DEBUG_SESSION_CLI_ABORTED');
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}
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return;
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} elseif ((bool)ini_get('session.auto_start')) {
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if ($this->logger instanceof LoggerInterface) {
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$this->logger->error('DEBUG_SESSION_AUTO_START_ABORTED');
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}
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return;
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}
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if ( ! $this->handler instanceof \SessionHandlerInterface) {
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$this->logger->error('E_SESSION_HANDLER_INTERFACE', [$this->handler->getPlatform()]);
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}
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$this->setConfiguration();
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session_set_save_handler($this->handler, true);
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// Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers
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if (isset($_COOKIE[ $this->config[ 'name' ] ]) && (
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! is_string($_COOKIE[ $this->config[ 'name' ] ]) || ! preg_match('#\A' . $this->sidRegexp . '\z#',
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$_COOKIE[ $this->config[ 'name' ] ])
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)
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) {
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unset($_COOKIE[ $this->config[ 'name' ] ]);
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}
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/**
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* If throwing error
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* session_start(): Failed to initialize storage module: user (path: )
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*
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* Change the php.ini
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* session.save_path = "N;/path" **to** session.save_path = "/tmp"
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*/
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session_start();
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$this->initializeVariables();
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// Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers
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if (isset($_COOKIE[ $this->config[ 'name' ] ]) && (
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! is_string($this->config[ 'name' ]) ||
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! preg_match('#\A' . $this->sidRegexp . '\z#', $_COOKIE[ $this->config[ 'name' ] ]
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)
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)
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) {
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unset($_COOKIE[ $this->config[ 'name' ] ]);
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}
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// Is session ID auto-regeneration configured? (ignoring ajax requests)
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if ((empty($_SERVER[ 'HTTP_X_REQUESTED_WITH' ]) ||
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strtolower($_SERVER[ 'HTTP_X_REQUESTED_WITH' ]) !== 'xmlhttprequest') &&
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($regenerateTime = $this->config[ 'regenerate' ]->lifetime) > 0
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) {
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if ( ! isset($_SESSION[ 'last_regenerate' ])) {
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$_SESSION[ 'last_regenerate' ] = time();
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} elseif ($_SESSION[ 'last_regenerate' ] < (time() - $regenerateTime)) {
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$this->regenerate();
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}
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}
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// Another work-around ... PHP doesn't seem to send the session cookie
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// unless it is being currently created or regenerated
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elseif (isset($_COOKIE[ $this->config[ 'name' ] ]) && $_COOKIE[ $this->config[ 'name' ] ] === session_id()
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) {
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setcookie(
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$this->config[ 'name' ],
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session_id(),
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(empty($this->config[ 'lifetime' ]) ? 0 : time() + $this->config[ 'lifetime' ]),
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$this->config[ 'cookie' ]->path,
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'.' . ltrim($this->config[ 'cookie' ]->domain, '.'),
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$this->config[ 'cookie' ]->secure,
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true
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);
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}
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if ($this->logger instanceof LoggerInterface) {
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$this->logger->debug('DEBUG_SESSION_INITIALIZED', [$this->handler->getPlatform()]);
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}
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}
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//--------------------------------------------------------------------
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/**
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* Session::setConfiguration
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*
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* Handle input binds and configuration defaults.
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*
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* @return void
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*/
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private function setConfiguration()
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{
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ini_set('session.name', $this->config[ 'name' ]);
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if (empty($this->config[ 'lifetime' ])) {
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$this->config[ 'lifetime' ] = (int)ini_get('session.gc_maxlifetime');
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} else {
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ini_set('session.gc_maxlifetime', (int)$this->config[ 'lifetime' ]);
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}
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if (empty($this->config[ 'cookie' ]->domain)) {
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$this->config[ 'cookie' ]->domain = (isset($_SERVER[ 'HTTP_HOST' ]) ? $_SERVER[ 'HTTP_HOST' ]
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: (isset($_SERVER[ 'SERVER_NAME' ]) ? $_SERVER[ 'SERVER_NAME' ] : null));
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}
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$this->config[ 'cookie' ]->domain = ltrim($this->config[ 'cookie' ]->domain, '.');
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ini_set('session.cookie_domain', '.' . $this->config[ 'cookie' ]->domain);
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ini_set('session.cookie_path', $this->config[ 'cookie' ]->path);
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// Security is king
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ini_set('session.cookie_lifetime', 0);
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ini_set('session.use_cookies', 'On');
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ini_set('session.use_only_cookies', 'On');
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ini_set('session.use_strict_mode', 'On');
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ini_set('session.cookie_httponly', 'On');
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ini_set('ssession.cookie_secure', (is_https() ? 'On' : 'Off'));
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ini_set('session.use_trans_sid', 'Off');
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$this->configureSidLength();
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}
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//--------------------------------------------------------------------
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/**
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* Configure session ID length
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*
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* To make life easier, we used to force SHA-1 and 4 bits per
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* character on everyone. And of course, someone was unhappy.
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*
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* Then PHP 7.1 broke backwards-compatibility because ext/session
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* is such a mess that nobody wants to touch it with a pole stick,
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* and the one guy who does, nobody has the energy to argue with.
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*
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* So we were forced to make changes, and OF COURSE something was
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* going to break and now we have this pile of shit. -- Narf
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*
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* @return void
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*/
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protected function configureSidLength()
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{
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if (PHP_VERSION_ID < 70100) {
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$bits = 160;
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$hash_function = ini_get('session.hash_function');
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if (ctype_digit($hash_function)) {
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if ($hash_function !== '1') {
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ini_set('session.hash_function', 1);
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$bits = 160;
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286
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}
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} elseif ( ! in_array($hash_function, hash_algos(), true)) {
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ini_set('session.hash_function', 1);
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$bits = 160;
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} elseif (($bits = strlen(hash($hash_function, 'dummy', false)) * 4) < 160) {
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ini_set('session.hash_function', 1);
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$bits = 160;
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}
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$bits_per_character = (int)ini_get('session.hash_bits_per_character');
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$sid_length = (int)ceil($bits / $bits_per_character);
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} else {
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$bits_per_character = (int)ini_get('session.sid_bits_per_character');
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$sid_length = (int)ini_get('session.sid_length');
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if (($sid_length * $bits_per_character) < 160) {
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$bits = ($sid_length * $bits_per_character);
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// Add as many more characters as necessary to reach at least 160 bits
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$sid_length += (int)ceil((160 % $bits) / $bits_per_character);
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|
ini_set('session.sid_length', $sid_length);
|
|
304
|
|
|
}
|
|
305
|
|
|
}
|
|
306
|
|
|
// Yes, 4,5,6 are the only known possible values as of 2016-10-27
|
|
307
|
|
|
switch ($bits_per_character) {
|
|
308
|
|
|
case 4:
|
|
309
|
|
|
$this->sidRegexp = '[0-9a-f]';
|
|
310
|
|
|
break;
|
|
311
|
|
|
case 5:
|
|
312
|
|
|
$this->sidRegexp = '[0-9a-v]';
|
|
313
|
|
|
break;
|
|
314
|
|
|
case 6:
|
|
315
|
|
|
$this->sidRegexp = '[0-9a-zA-Z,-]';
|
|
316
|
|
|
break;
|
|
317
|
|
|
}
|
|
318
|
|
|
$this->sidRegexp .= '{' . $sid_length . '}';
|
|
319
|
|
|
}
|
|
320
|
|
|
|
|
321
|
|
|
//--------------------------------------------------------------------
|
|
322
|
|
|
|
|
323
|
|
|
/**
|
|
324
|
|
|
* Session::initializeVariables
|
|
325
|
|
|
*
|
|
326
|
|
|
* Handle flash and temporary session variables. Clears old "flash" session variables,
|
|
327
|
|
|
* marks the new one for deletion and handles "temp" session variables deletion.
|
|
328
|
|
|
*
|
|
329
|
|
|
* @return void
|
|
330
|
|
|
*/
|
|
331
|
|
|
private function initializeVariables()
|
|
332
|
|
|
{
|
|
333
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
334
|
|
|
return;
|
|
335
|
|
|
}
|
|
336
|
|
|
|
|
337
|
|
|
$currentTime = time();
|
|
338
|
|
|
|
|
339
|
|
|
foreach ($_SESSION[ 'system_variables' ] as $key => &$value) {
|
|
340
|
|
|
if ($value === 'new') {
|
|
341
|
|
|
$_SESSION[ 'system_variables' ][ $key ] = 'old';
|
|
342
|
|
|
}
|
|
343
|
|
|
// Hacky, but 'old' will (implicitly) always be less than time() ;)
|
|
344
|
|
|
// DO NOT move this above the 'new' check!
|
|
345
|
|
|
elseif ($value < $currentTime) {
|
|
346
|
|
|
unset($_SESSION[ $key ], $_SESSION[ 'system_variables' ][ $key ]);
|
|
347
|
|
|
}
|
|
348
|
|
|
}
|
|
349
|
|
|
|
|
350
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
351
|
|
|
unset($_SESSION[ 'system_variables' ]);
|
|
352
|
|
|
}
|
|
353
|
|
|
}
|
|
354
|
|
|
|
|
355
|
|
|
/**
|
|
356
|
|
|
* Session::regenerate
|
|
357
|
|
|
*
|
|
358
|
|
|
* Regenerates the session ID
|
|
359
|
|
|
*
|
|
360
|
|
|
* @return void
|
|
361
|
|
|
*/
|
|
362
|
|
|
public function regenerate()
|
|
363
|
|
|
{
|
|
364
|
|
|
$_SESSION[ 'last_regenerate' ] = time();
|
|
365
|
|
|
session_regenerate_id($this->config[ 'regenerate' ]->destroy);
|
|
366
|
|
|
}
|
|
367
|
|
|
|
|
368
|
|
|
//--------------------------------------------------------------------
|
|
369
|
|
|
|
|
370
|
|
|
/**
|
|
371
|
|
|
* Session::isStarted
|
|
372
|
|
|
*
|
|
373
|
|
|
* Check if the PHP Session is has been started.
|
|
374
|
|
|
*
|
|
375
|
|
|
* @access public
|
|
376
|
|
|
* @return bool
|
|
377
|
|
|
*/
|
|
378
|
|
|
public function isStarted()
|
|
379
|
|
|
{
|
|
380
|
|
|
if (php_sapi_name() !== 'cli') {
|
|
381
|
|
|
return session_status() === PHP_SESSION_ACTIVE ? true : false;
|
|
382
|
|
|
}
|
|
383
|
|
|
|
|
384
|
|
|
return false;
|
|
385
|
|
|
}
|
|
386
|
|
|
|
|
387
|
|
|
//--------------------------------------------------------------------
|
|
388
|
|
|
|
|
389
|
|
|
/**
|
|
390
|
|
|
* Does a full stop of the session:
|
|
391
|
|
|
*
|
|
392
|
|
|
* - destroys the session
|
|
393
|
|
|
* - unsets the session id
|
|
394
|
|
|
* - destroys the session cookie
|
|
395
|
|
|
*/
|
|
396
|
|
|
public function stop()
|
|
397
|
|
|
{
|
|
398
|
|
|
setcookie(
|
|
399
|
|
|
$this->config[ 'name' ],
|
|
400
|
|
|
session_id(),
|
|
401
|
|
|
1,
|
|
402
|
|
|
$this->config[ 'cookie' ]->path,
|
|
403
|
|
|
'.' . ltrim($this->config[ 'cookie' ]->domain, '.'),
|
|
404
|
|
|
$this->config[ 'cookie' ]->secure,
|
|
405
|
|
|
true
|
|
406
|
|
|
);
|
|
407
|
|
|
|
|
408
|
|
|
session_regenerate_id(true);
|
|
409
|
|
|
}
|
|
410
|
|
|
|
|
411
|
|
|
// ------------------------------------------------------------------------
|
|
412
|
|
|
|
|
413
|
|
|
/**
|
|
414
|
|
|
* Session::destroy
|
|
415
|
|
|
*
|
|
416
|
|
|
* Destroys the current session.
|
|
417
|
|
|
*
|
|
418
|
|
|
* @return void
|
|
419
|
|
|
*/
|
|
420
|
|
|
public function destroy()
|
|
421
|
|
|
{
|
|
422
|
|
|
session_destroy();
|
|
423
|
|
|
}
|
|
424
|
|
|
|
|
425
|
|
|
// ------------------------------------------------------------------------
|
|
426
|
|
|
|
|
427
|
|
|
/**
|
|
428
|
|
|
* Session::__isset
|
|
429
|
|
|
*
|
|
430
|
|
|
* Implementing magic method __isset to simplify when checks if offset exists on PHP native session variable,
|
|
431
|
|
|
* just simply calling isset( $session[ 'offset' ] ).
|
|
432
|
|
|
*
|
|
433
|
|
|
* @param mixed $offset PHP native session offset.
|
|
434
|
|
|
*
|
|
435
|
|
|
* @return bool
|
|
436
|
|
|
*/
|
|
437
|
|
|
public function has($offset)
|
|
438
|
|
|
{
|
|
439
|
|
|
return $this->offsetExists($offset);
|
|
440
|
|
|
}
|
|
441
|
|
|
|
|
442
|
|
|
// ------------------------------------------------------------------------
|
|
443
|
|
|
|
|
444
|
|
|
/**
|
|
445
|
|
|
* Session::offsetExists
|
|
446
|
|
|
*
|
|
447
|
|
|
* Checks if offset exists on PHP native session variable.
|
|
448
|
|
|
*
|
|
449
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetexists.php
|
|
450
|
|
|
*
|
|
451
|
|
|
* @param mixed $offset <p>
|
|
452
|
|
|
* An offset to check for.
|
|
453
|
|
|
* </p>
|
|
454
|
|
|
*
|
|
455
|
|
|
* @return boolean true on success or false on failure.
|
|
456
|
|
|
* </p>
|
|
457
|
|
|
* <p>
|
|
458
|
|
|
* The return value will be casted to boolean if non-boolean was returned.
|
|
459
|
|
|
* @since 5.0.0
|
|
460
|
|
|
*/
|
|
461
|
|
|
public function offsetExists($offset)
|
|
462
|
|
|
{
|
|
463
|
|
|
return (bool)isset($_SESSION[ $offset ]);
|
|
464
|
|
|
}
|
|
465
|
|
|
|
|
466
|
|
|
// ------------------------------------------------------------------------
|
|
467
|
|
|
|
|
468
|
|
|
/**
|
|
469
|
|
|
* Session::__isset
|
|
470
|
|
|
*
|
|
471
|
|
|
* Implementing magic method __isset to simplify when checks if offset exists on PHP native session variable,
|
|
472
|
|
|
* just simply calling isset( $session[ 'offset' ] ).
|
|
473
|
|
|
*
|
|
474
|
|
|
* @param mixed $offset PHP native session offset.
|
|
475
|
|
|
*
|
|
476
|
|
|
* @return bool
|
|
477
|
|
|
*/
|
|
478
|
|
|
public function __isset($offset)
|
|
479
|
|
|
{
|
|
480
|
|
|
return $this->offsetExists($offset);
|
|
481
|
|
|
}
|
|
482
|
|
|
|
|
483
|
|
|
// ------------------------------------------------------------------------
|
|
484
|
|
|
|
|
485
|
|
|
/**
|
|
486
|
|
|
* Session::__get
|
|
487
|
|
|
*
|
|
488
|
|
|
* Implementing magic method __get to simplify gets PHP native session variable by requested offset,
|
|
489
|
|
|
* just simply calling isset( $session[ 'offset' ] ).
|
|
490
|
|
|
*
|
|
491
|
|
|
* @param $offset
|
|
492
|
|
|
*
|
|
493
|
|
|
* @return mixed
|
|
494
|
|
|
*/
|
|
495
|
|
|
public function &__get($offset)
|
|
496
|
|
|
{
|
|
497
|
|
|
if ($offset === 'id') {
|
|
498
|
|
|
$_SESSION[ 'id' ] = session_id();
|
|
499
|
|
|
}
|
|
500
|
|
|
|
|
501
|
|
|
if ( ! isset($_SESSION[ $offset ])) {
|
|
502
|
|
|
$_SESSION[ $offset ] = null;
|
|
503
|
|
|
}
|
|
504
|
|
|
|
|
505
|
|
|
return $_SESSION[ $offset ];
|
|
506
|
|
|
}
|
|
507
|
|
|
|
|
508
|
|
|
// ------------------------------------------------------------------------
|
|
509
|
|
|
|
|
510
|
|
|
/**
|
|
511
|
|
|
* Session::__set
|
|
512
|
|
|
*
|
|
513
|
|
|
* Implementing magic method __set to simplify set PHP native session variable,
|
|
514
|
|
|
* just simply calling $session->offset = 'foo'.
|
|
515
|
|
|
*
|
|
516
|
|
|
* @param mixed $offset PHP native session offset.
|
|
517
|
|
|
* @param mixed $value PHP native session offset value to set.
|
|
518
|
|
|
*/
|
|
519
|
|
|
public function __set($offset, $value)
|
|
520
|
|
|
{
|
|
521
|
|
|
$this->offsetSet($offset, $value);
|
|
522
|
|
|
}
|
|
523
|
|
|
|
|
524
|
|
|
// ------------------------------------------------------------------------
|
|
525
|
|
|
|
|
526
|
|
|
/**
|
|
527
|
|
|
* Session::offsetSet
|
|
528
|
|
|
*
|
|
529
|
|
|
* Sets session data into PHP native session global variable.
|
|
530
|
|
|
*
|
|
531
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetset.php
|
|
532
|
|
|
*
|
|
533
|
|
|
* @param mixed $offset <p>
|
|
534
|
|
|
* The offset to assign the value to.
|
|
535
|
|
|
* </p>
|
|
536
|
|
|
* @param mixed $value <p>
|
|
537
|
|
|
* The value to set.
|
|
538
|
|
|
* </p>
|
|
539
|
|
|
*
|
|
540
|
|
|
* @return void
|
|
541
|
|
|
* @since 5.0.0
|
|
542
|
|
|
*/
|
|
543
|
|
|
public function offsetSet($offset, $value)
|
|
544
|
|
|
{
|
|
545
|
|
|
$_SESSION[ $offset ] =& $value;
|
|
546
|
|
|
}
|
|
547
|
|
|
|
|
548
|
|
|
// ------------------------------------------------------------------------
|
|
549
|
|
|
|
|
550
|
|
|
/**
|
|
551
|
|
|
* Session::__unset
|
|
552
|
|
|
*
|
|
553
|
|
|
* Implementing magic method __unset to simplify unset method, just simply calling
|
|
554
|
|
|
* unset( $session[ 'offset' ] ).
|
|
555
|
|
|
*
|
|
556
|
|
|
* @param mixed $offset PHP Native session offset
|
|
557
|
|
|
*
|
|
558
|
|
|
* @return void
|
|
559
|
|
|
*/
|
|
560
|
|
|
public function __unset($offset)
|
|
561
|
|
|
{
|
|
562
|
|
|
$this->offsetUnset($offset);
|
|
563
|
|
|
}
|
|
564
|
|
|
|
|
565
|
|
|
// ------------------------------------------------------------------------
|
|
566
|
|
|
|
|
567
|
|
|
/**
|
|
568
|
|
|
* Session::offsetUnset
|
|
569
|
|
|
*
|
|
570
|
|
|
* Remove session data from PHP native session global variable.
|
|
571
|
|
|
*
|
|
572
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetunset.php
|
|
573
|
|
|
*
|
|
574
|
|
|
* @param mixed $offset <p>
|
|
575
|
|
|
* The offset to unset.
|
|
576
|
|
|
* </p>
|
|
577
|
|
|
*
|
|
578
|
|
|
* @return void
|
|
579
|
|
|
* @since 5.0.0
|
|
580
|
|
|
*/
|
|
581
|
|
|
public function offsetUnset($offset)
|
|
582
|
|
|
{
|
|
583
|
|
|
if (isset($_SESSION[ $offset ])) {
|
|
584
|
|
|
unset($_SESSION[ $offset ]);
|
|
585
|
|
|
}
|
|
586
|
|
|
}
|
|
587
|
|
|
|
|
588
|
|
|
// ------------------------------------------------------------------------
|
|
589
|
|
|
|
|
590
|
|
|
/**
|
|
591
|
|
|
* Session::getIterator
|
|
592
|
|
|
*
|
|
593
|
|
|
* Retrieve an external iterator
|
|
594
|
|
|
*
|
|
595
|
|
|
* @link http://php.net/manual/en/iteratoraggregate.getiterator.php
|
|
596
|
|
|
* @return Traversable An instance of an object implementing <b>Iterator</b> or
|
|
597
|
|
|
* <b>Traversable</b>
|
|
598
|
|
|
* @since 5.0.0
|
|
599
|
|
|
*/
|
|
600
|
|
|
public function getIterator()
|
|
601
|
|
|
{
|
|
602
|
|
|
return new ArrayIterator($_SESSION);
|
|
603
|
|
|
}
|
|
604
|
|
|
|
|
605
|
|
|
//--------------------------------------------------------------------
|
|
606
|
|
|
|
|
607
|
|
|
/**
|
|
608
|
|
|
* Session::setFlash
|
|
609
|
|
|
*
|
|
610
|
|
|
* Sets flash data into the session that will only last for a single request.
|
|
611
|
|
|
* Perfect for use with single-use status update messages.
|
|
612
|
|
|
*
|
|
613
|
|
|
* If $offset is an array, it is interpreted as an associative array of
|
|
614
|
|
|
* key/value pairs for flash session variables.
|
|
615
|
|
|
* Otherwise, it is interpreted as the identifier of a specific
|
|
616
|
|
|
* flash session variable, with $value containing the property value.
|
|
617
|
|
|
*
|
|
618
|
|
|
* @param mixed $offset Flash session variable string offset identifier or associative array of values.
|
|
619
|
|
|
* @param mixed|null $value Flash session variable offset value.
|
|
620
|
|
|
*/
|
|
621
|
|
|
public function setFlash($offset, $value = null)
|
|
622
|
|
|
{
|
|
623
|
|
|
$this->set($offset, $value);
|
|
624
|
|
|
$this->markFlash(is_array($offset) ? array_keys($offset) : $offset);
|
|
625
|
|
|
}
|
|
626
|
|
|
|
|
627
|
|
|
//--------------------------------------------------------------------
|
|
628
|
|
|
|
|
629
|
|
|
/**
|
|
630
|
|
|
* Session::set
|
|
631
|
|
|
*
|
|
632
|
|
|
* Sets session data into PHP native session global variable.
|
|
633
|
|
|
*
|
|
634
|
|
|
* If $offset is a string, then it is interpreted as a session property
|
|
635
|
|
|
* key, and $value is expected to be non-null.
|
|
636
|
|
|
*
|
|
637
|
|
|
* If $offset is an array, it is expected to be an array of key/value pairs
|
|
638
|
|
|
* to be set as session values.
|
|
639
|
|
|
*
|
|
640
|
|
|
* @param string $offset Session offset or associative array of session values
|
|
641
|
|
|
* @param mixed $value Session offset value.
|
|
642
|
|
|
*/
|
|
643
|
|
|
public function set($offset, $value = null)
|
|
644
|
|
|
{
|
|
645
|
|
|
if (is_array($offset)) {
|
|
646
|
|
|
foreach ($offset as $key => &$value) {
|
|
647
|
|
|
$_SESSION[ $key ] = $value;
|
|
648
|
|
|
}
|
|
649
|
|
|
|
|
650
|
|
|
return;
|
|
651
|
|
|
}
|
|
652
|
|
|
|
|
653
|
|
|
$_SESSION[ $offset ] =& $value;
|
|
654
|
|
|
}
|
|
655
|
|
|
|
|
656
|
|
|
//--------------------------------------------------------------------
|
|
657
|
|
|
|
|
658
|
|
|
/**
|
|
659
|
|
|
* Session::markAsFlash
|
|
660
|
|
|
*
|
|
661
|
|
|
* Mark an session offset variables as flash session variables.
|
|
662
|
|
|
*
|
|
663
|
|
|
* @param string|array $offset Flash session variable string offset identifier or array of offsets.
|
|
664
|
|
|
*
|
|
665
|
|
|
* @return bool Returns FALSE if any flash session variables are not already set.
|
|
666
|
|
|
*/
|
|
667
|
|
|
public function markFlash($offset)
|
|
668
|
|
|
{
|
|
669
|
|
|
if (is_array($offset)) {
|
|
670
|
|
|
for ($i = 0, $c = count($offset); $i < $c; $i++) {
|
|
671
|
|
|
if ( ! isset($_SESSION[ $offset[ $i ] ])) {
|
|
672
|
|
|
return false;
|
|
673
|
|
|
}
|
|
674
|
|
|
}
|
|
675
|
|
|
|
|
676
|
|
|
$new = array_fill_keys($offset, 'new');
|
|
677
|
|
|
|
|
678
|
|
|
$_SESSION[ 'system_variables' ] = isset($_SESSION[ 'system_variables' ]) ? array_merge(
|
|
679
|
|
|
$_SESSION[ 'system_variables' ],
|
|
680
|
|
|
$new
|
|
681
|
|
|
) : $new;
|
|
682
|
|
|
|
|
683
|
|
|
return true;
|
|
684
|
|
|
}
|
|
685
|
|
|
|
|
686
|
|
|
if ( ! isset($_SESSION[ $offset ])) {
|
|
687
|
|
|
return false;
|
|
688
|
|
|
}
|
|
689
|
|
|
|
|
690
|
|
|
$_SESSION[ 'system_variables' ][ $offset ] = 'new';
|
|
691
|
|
|
|
|
692
|
|
|
return true;
|
|
693
|
|
|
}
|
|
694
|
|
|
|
|
695
|
|
|
// ------------------------------------------------------------------------
|
|
696
|
|
|
|
|
697
|
|
|
/**
|
|
698
|
|
|
* Session::get
|
|
699
|
|
|
*
|
|
700
|
|
|
* @param string $offset Session offset or associative array of session values
|
|
701
|
|
|
*
|
|
702
|
|
|
* @return mixed
|
|
703
|
|
|
*/
|
|
704
|
|
|
public function get($offset)
|
|
705
|
|
|
{
|
|
706
|
|
|
return $this->offsetGet($offset);
|
|
707
|
|
|
}
|
|
708
|
|
|
|
|
709
|
|
|
//--------------------------------------------------------------------
|
|
710
|
|
|
|
|
711
|
|
|
/**
|
|
712
|
|
|
* Session::offsetGet
|
|
713
|
|
|
*
|
|
714
|
|
|
* Gets PHP native session variable value by requested offset.
|
|
715
|
|
|
*
|
|
716
|
|
|
* @link http://php.net/manual/en/arrayaccess.offsetget.php
|
|
717
|
|
|
*
|
|
718
|
|
|
* @param mixed $offset <p>
|
|
719
|
|
|
* The offset to retrieve.
|
|
720
|
|
|
* </p>
|
|
721
|
|
|
*
|
|
722
|
|
|
* @return mixed Can return all value types.
|
|
723
|
|
|
* @since 5.0.0
|
|
724
|
|
|
*/
|
|
725
|
|
|
public function offsetGet($offset)
|
|
726
|
|
|
{
|
|
727
|
|
|
if ($offset === 'id') {
|
|
728
|
|
|
$_SESSION[ 'id' ] = session_id();
|
|
729
|
|
|
}
|
|
730
|
|
|
|
|
731
|
|
|
return (isset($_SESSION[ $offset ])) ? $_SESSION[ $offset ] : false;
|
|
732
|
|
|
}
|
|
733
|
|
|
|
|
734
|
|
|
//--------------------------------------------------------------------
|
|
735
|
|
|
|
|
736
|
|
|
/**
|
|
737
|
|
|
* Session::getFlash
|
|
738
|
|
|
*
|
|
739
|
|
|
* Retrieve one or more items of flash data from the session.
|
|
740
|
|
|
* If the offset is null, it will returns all flash session variables.
|
|
741
|
|
|
*
|
|
742
|
|
|
* @param string $offset Flash session variable string offset identifier
|
|
743
|
|
|
*
|
|
744
|
|
|
* @return array|null The requested property value, or an assoo2systemative array of them
|
|
745
|
|
|
*/
|
|
746
|
|
|
public function getFlash($offset = null)
|
|
747
|
|
|
{
|
|
748
|
|
|
if (isset($offset)) {
|
|
749
|
|
|
return (isset($_SESSION[ 'system_variables' ], $_SESSION[ 'system_variables' ][ $offset ], $_SESSION[ $offset ]) &&
|
|
750
|
|
|
! is_int($_SESSION[ 'system_variables' ][ $offset ])) ? $_SESSION[ $offset ] : null;
|
|
751
|
|
|
}
|
|
752
|
|
|
|
|
753
|
|
|
$flashVariables = [];
|
|
754
|
|
|
|
|
755
|
|
|
if ( ! empty($_SESSION[ 'system_variables' ])) {
|
|
756
|
|
|
foreach ($_SESSION[ 'system_variables' ] as $offset => &$value) {
|
|
757
|
|
|
is_int($value) OR $flashVariables[ $offset ] = $_SESSION[ $offset ];
|
|
758
|
|
|
}
|
|
759
|
|
|
}
|
|
760
|
|
|
|
|
761
|
|
|
return $flashVariables;
|
|
762
|
|
|
}
|
|
763
|
|
|
|
|
764
|
|
|
//--------------------------------------------------------------------
|
|
765
|
|
|
|
|
766
|
|
|
/**
|
|
767
|
|
|
* Session::keepFlash
|
|
768
|
|
|
*
|
|
769
|
|
|
* Keeps a single piece of flash data alive for one more request.
|
|
770
|
|
|
*
|
|
771
|
|
|
* @param string|array $offset Flash session variable string offset identifier or array of offsets.
|
|
772
|
|
|
*/
|
|
773
|
|
|
public function keepFlash($offset)
|
|
774
|
|
|
{
|
|
775
|
|
|
$this->markFlash($offset);
|
|
776
|
|
|
}
|
|
777
|
|
|
|
|
778
|
|
|
//--------------------------------------------------------------------
|
|
779
|
|
|
|
|
780
|
|
|
/**
|
|
781
|
|
|
* Session::unsetFlash
|
|
782
|
|
|
*
|
|
783
|
|
|
* Unset flash session variables.
|
|
784
|
|
|
*
|
|
785
|
|
|
* @param string $offset Flash session variable string offset identifier or array of offsets.
|
|
786
|
|
|
*/
|
|
787
|
|
|
public function unsetFlash($offset)
|
|
788
|
|
|
{
|
|
789
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
790
|
|
|
return;
|
|
791
|
|
|
}
|
|
792
|
|
|
|
|
793
|
|
|
is_array($offset) OR $offset = [$offset];
|
|
794
|
|
|
|
|
795
|
|
|
foreach ($offset as $key) {
|
|
796
|
|
|
if (isset($_SESSION[ 'system_variables' ][ $key ]) && ! is_int(
|
|
797
|
|
|
$_SESSION[ 'system_variables' ][ $key ]
|
|
798
|
|
|
)
|
|
799
|
|
|
) {
|
|
800
|
|
|
unset($_SESSION[ 'system_variables' ][ $key ]);
|
|
801
|
|
|
}
|
|
802
|
|
|
}
|
|
803
|
|
|
|
|
804
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
805
|
|
|
unset($_SESSION[ 'system_variables' ]);
|
|
806
|
|
|
}
|
|
807
|
|
|
}
|
|
808
|
|
|
|
|
809
|
|
|
//--------------------------------------------------------------------
|
|
810
|
|
|
|
|
811
|
|
|
/**
|
|
812
|
|
|
* Session::getFlashOffsets
|
|
813
|
|
|
*
|
|
814
|
|
|
* Gets all flash session variable offsets.
|
|
815
|
|
|
*
|
|
816
|
|
|
* @return array Returns array of flash session variable offsets.
|
|
817
|
|
|
*/
|
|
818
|
|
|
public function getFlashOffsets()
|
|
819
|
|
|
{
|
|
820
|
|
|
if ( ! isset($_SESSION[ 'system_variables' ])) {
|
|
821
|
|
|
return [];
|
|
822
|
|
|
}
|
|
823
|
|
|
|
|
824
|
|
|
$offsets = [];
|
|
825
|
|
|
foreach (array_keys($_SESSION[ 'system_variables' ]) as $offset) {
|
|
826
|
|
|
is_int($_SESSION[ 'system_variables' ][ $offset ]) OR $offsets[] = $offset;
|
|
827
|
|
|
}
|
|
828
|
|
|
|
|
829
|
|
|
return $offsets;
|
|
830
|
|
|
}
|
|
831
|
|
|
|
|
832
|
|
|
//--------------------------------------------------------------------
|
|
833
|
|
|
|
|
834
|
|
|
/**
|
|
835
|
|
|
* Session::setTemp
|
|
836
|
|
|
*
|
|
837
|
|
|
* Sets temporary session variable.
|
|
838
|
|
|
*
|
|
839
|
|
|
* @param mixed $offset Temporary session variable string offset identifier or array of offsets.
|
|
840
|
|
|
* @param null $value Temporary session variable offset value.
|
|
|
|
|
|
|
841
|
|
|
* @param int $ttl Temporary session variable Time-to-live in seconds
|
|
842
|
|
|
*/
|
|
843
|
|
|
public function setTemp($offset, $value = null, $ttl = 300)
|
|
844
|
|
|
{
|
|
845
|
|
|
$this->set($offset, $value);
|
|
846
|
|
|
$this->markTemp(is_array($offset) ? array_keys($offset) : $offset, $ttl);
|
|
|
|
|
|
|
847
|
|
|
}
|
|
848
|
|
|
|
|
849
|
|
|
//--------------------------------------------------------------------
|
|
850
|
|
|
|
|
851
|
|
|
/**
|
|
852
|
|
|
* Session::markTemp
|
|
853
|
|
|
*
|
|
854
|
|
|
* Mark one of more pieces of data as being temporary, meaning that
|
|
855
|
|
|
* it has a set lifespan within the session.
|
|
856
|
|
|
*
|
|
857
|
|
|
* @param string $offset Temporary session variable string offset identifier.
|
|
858
|
|
|
* @param int $ttl Temporary session variable Time-to-live, in seconds
|
|
859
|
|
|
*
|
|
860
|
|
|
* @return bool Returns FALSE if none temporary session variable is set.
|
|
861
|
|
|
*/
|
|
862
|
|
|
public function markTemp($offset, $ttl = 300)
|
|
863
|
|
|
{
|
|
864
|
|
|
$ttl += time();
|
|
865
|
|
|
|
|
866
|
|
|
if (is_array($offset)) {
|
|
867
|
|
|
$temp = [];
|
|
868
|
|
|
|
|
869
|
|
|
foreach ($offset as $key => $value) {
|
|
870
|
|
|
// Do we have a key => ttl pair, or just a key?
|
|
871
|
|
|
if (is_int($key)) {
|
|
872
|
|
|
$key = $value;
|
|
873
|
|
|
$value = $ttl;
|
|
874
|
|
|
} else {
|
|
875
|
|
|
$value += time();
|
|
876
|
|
|
}
|
|
877
|
|
|
|
|
878
|
|
|
if ( ! isset($_SESSION[ $key ])) {
|
|
879
|
|
|
return false;
|
|
880
|
|
|
}
|
|
881
|
|
|
|
|
882
|
|
|
$temp[ $key ] = $value;
|
|
883
|
|
|
}
|
|
884
|
|
|
|
|
885
|
|
|
$_SESSION[ 'system_variables' ] = isset($_SESSION[ 'system_variables' ]) ? array_merge(
|
|
886
|
|
|
$_SESSION[ 'system_variables' ],
|
|
887
|
|
|
$temp
|
|
888
|
|
|
) : $temp;
|
|
889
|
|
|
|
|
890
|
|
|
return true;
|
|
891
|
|
|
}
|
|
892
|
|
|
|
|
893
|
|
|
if ( ! isset($_SESSION[ $offset ])) {
|
|
894
|
|
|
return false;
|
|
895
|
|
|
}
|
|
896
|
|
|
|
|
897
|
|
|
$_SESSION[ 'system_variables' ][ $offset ] = $ttl;
|
|
898
|
|
|
|
|
899
|
|
|
return true;
|
|
900
|
|
|
}
|
|
901
|
|
|
|
|
902
|
|
|
//--------------------------------------------------------------------
|
|
903
|
|
|
|
|
904
|
|
|
/**
|
|
905
|
|
|
* Session::getTemp
|
|
906
|
|
|
*
|
|
907
|
|
|
* Gets either a single piece or all temporary session variables.
|
|
908
|
|
|
*
|
|
909
|
|
|
* @param string $offset Temporary session variable string offset identifier.
|
|
910
|
|
|
*
|
|
911
|
|
|
* @return array Returns temporary session variables.
|
|
912
|
|
|
*/
|
|
913
|
|
|
public function getTemp($offset = null)
|
|
914
|
|
|
{
|
|
915
|
|
|
if (isset($offset)) {
|
|
916
|
|
|
return (isset($_SESSION[ 'system_variables' ], $_SESSION[ 'system_variables' ][ $offset ], $_SESSION[ $offset ]) &&
|
|
917
|
|
|
is_int($_SESSION[ 'system_variables' ][ $offset ])) ? $_SESSION[ $offset ] : null;
|
|
918
|
|
|
}
|
|
919
|
|
|
|
|
920
|
|
|
$tempVariables = [];
|
|
921
|
|
|
|
|
922
|
|
|
if ( ! empty($_SESSION[ 'system_variables' ])) {
|
|
923
|
|
|
foreach ($_SESSION[ 'system_variables' ] as $offset => &$value) {
|
|
924
|
|
|
is_int($value) && $tempVariables[ $offset ] = $_SESSION[ $offset ];
|
|
925
|
|
|
}
|
|
926
|
|
|
}
|
|
927
|
|
|
|
|
928
|
|
|
return $tempVariables;
|
|
929
|
|
|
}
|
|
930
|
|
|
|
|
931
|
|
|
// ------------------------------------------------------------------------
|
|
932
|
|
|
|
|
933
|
|
|
/**
|
|
934
|
|
|
* Session::unsetTemp
|
|
935
|
|
|
*
|
|
936
|
|
|
* Unset temporary session variable.
|
|
937
|
|
|
*
|
|
938
|
|
|
* @param mixed $offset Temporary session variable string offset identifier.
|
|
939
|
|
|
*/
|
|
940
|
|
|
public function unsetTemp($offset)
|
|
941
|
|
|
{
|
|
942
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
943
|
|
|
return;
|
|
944
|
|
|
}
|
|
945
|
|
|
|
|
946
|
|
|
is_array($offset) OR $offset = [$offset];
|
|
947
|
|
|
|
|
948
|
|
|
foreach ($offset as $key) {
|
|
949
|
|
|
if (isset($_SESSION[ 'system_variables' ][ $key ]) && is_int(
|
|
950
|
|
|
$_SESSION[ 'system_variables' ][ $key ]
|
|
951
|
|
|
)
|
|
952
|
|
|
) {
|
|
953
|
|
|
unset($_SESSION[ 'system_variables' ][ $key ]);
|
|
954
|
|
|
}
|
|
955
|
|
|
}
|
|
956
|
|
|
|
|
957
|
|
|
if (empty($_SESSION[ 'system_variables' ])) {
|
|
958
|
|
|
unset($_SESSION[ 'system_variables' ]);
|
|
959
|
|
|
}
|
|
960
|
|
|
}
|
|
961
|
|
|
|
|
962
|
|
|
// ------------------------------------------------------------------------
|
|
963
|
|
|
|
|
964
|
|
|
/**
|
|
965
|
|
|
* Session::getTempOffsets
|
|
966
|
|
|
*
|
|
967
|
|
|
* Gets all temporary session variable offsets identifier.
|
|
968
|
|
|
*
|
|
969
|
|
|
* @return array Returns array of temporary session variable offsets identifier.
|
|
970
|
|
|
*/
|
|
971
|
|
|
public function getTempOffsets()
|
|
972
|
|
|
{
|
|
973
|
|
|
if ( ! isset($_SESSION[ 'system_variables' ])) {
|
|
974
|
|
|
return [];
|
|
975
|
|
|
}
|
|
976
|
|
|
|
|
977
|
|
|
$offsets = [];
|
|
978
|
|
|
foreach (array_keys($_SESSION[ 'system_variables' ]) as $offset) {
|
|
979
|
|
|
is_int($_SESSION[ 'system_variables' ][ $offset ]) && $offsets[] = $offset;
|
|
980
|
|
|
}
|
|
981
|
|
|
|
|
982
|
|
|
return $offsets;
|
|
983
|
|
|
}
|
|
984
|
|
|
} |
o2system /
session
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