Files
sihnon-php-lib/source/lib/SihnonFramework/Session.class.php

94 lines
2.7 KiB
PHP

<?php
class SihnonFramework_Session {
protected $config;
protected $enabled;
protected $state;
protected $dirty;
protected $sensitive;
public function __construct(Sihnon_Config $config) {
$this->config = $config;
$this->enabled = false;
$this->dirty = false;
$this->sensitive = array();
if ($this->config->exists('sessions') && $this->config->get('sessions')) {
$this->enabled = true;
}
$this->init();
}
public function __destruct() {
$this->teardown();
}
protected function init() {
if ($this->enabled) {
session_start();
$this->state = $_SESSION;
// Override the session parameters if configured
$params = session_get_cookie_params();
$lifetime = $this->config->exists('sessions.lifetime') ? $this->config->get('sessions.lifetime') : $params['lifetime'];
$path = $this->config->exists('sessions.path') ? $this->config->get('sessions.path') : $params['path'];
$domain = $this->config->exists('sessions.domain') ? $this->config->get('sessions.domain') : $params['domain'];
$secure = $this->config->exists('sessions.secure') ? $this->config->get('sessions.secure') : $params['secure'];
$httponly = $this->config->exists('sessions.http-only') ? $this->config->get('sessions.http-only') : $params['httponly'];
session_set_cookie_params($lifetime, $path, $domain, $secure, $httponly);
}
}
protected function teardown() {
if ($this->enabled && $this->dirty) {
$_SESSION = $this->state;
session_write_close();
}
}
public function set($name, $value, $sensitive = false) {
$this->state[$name] = $value;
if ($sensitive) {
$this->sensitive[$name] = true;
}
$this->dirty = true;
}
public function get($name, $default = null) {
if ( ! $this->exists($name)) {
return $default;
}
return $this->state[$name];
}
public function exists($name) {
return isset($this->state[$name]);
}
public function delete($name) {
unset($this->state[$name]);
$this->dirty = true;
}
public function securityLeveLChanged() {
if ($this->enabled) {
session_regenerate_id(true);
}
// Clear any sensitive values
foreach ($this->sensitive as $name => $value) {
if ($value) {
$this->delete($name);
}
}
$this->sensitive = array();
}
}
?>