oc-server3/htdocs/lib/OpencachingDE/Util/Cookie.php

<?php

/****************************************************************************
                               _    _                _
 ___ _ __  ___ _ _  __ __ _ __| |_ (_)_ _  __ _   __| |___
/ _ \ '_ \/ -_) ' \/ _/ _` / _| ' \| | ' \/ _` |_/ _` / -_)
\___/ .__/\___|_||_\__\__,_\__|_||_|_|_||_\__, (_)__,_\___|
    |_|                                   |___/

For license information see doc/license.txt   ---   Unicode Reminder メモ

****************************************************************************/

namespace OpenCachingDE\Util;

class Cookie
{
    private $changed = false;
    private $values = array();
    private $session_initalized = false;

    public function __construct()
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            if (isset($_REQUEST['SESSION']) && $_REQUEST['SESSION'] != '') {
                $this->init_session();
            }
        } else {
            if (isset($_COOKIE[$opt['session']['cookiename'] . 'data'])) {
                //get the cookievars-array
                $decoded = base64_decode($_COOKIE[$opt['session']['cookiename'] . 'data']);
                
                if ($decoded !== false) {
                    $this->values = @unserialize($decoded);
                    if (!is_array($this->values)) {
                        $this->values = array();
                    }
                } else {
                    $this->values = array();
                }
            }
        }
    }

    function init_session()
    {
        global $opt;

        if ($this->session_initalized != true) {
            session_name('SESSION');
            session_set_cookie_params($opt['session']['expire']['cookie'], $opt['session']['path'], $opt['session']['domain']);
            session_start();

            if ($opt['session']['check_referer']) {
                if (isset($_SERVER['REFERER'])) {
                    if (strtolower(substr($_SERVER['REFERER'], 0, strlen($opt['page']['absolute_url']))) != strtolower($opt['page']['absolute_url'])) {
                        $this->createNewSession();
                    }
                }
            }

            if ((isset($_GET['SESSION']) || isset($_POST['SESSION'])) && count($_SESSION) > 0) {
                // comapre and set timestamp
                if (isset($_SESSION['lastcall'])) {
                    if (abs(time() - $_SESSION['lastcall']) > $opt['session']['expire']['url']) {
                        $this->createNewSession();
                    }
                }
                $_SESSION['lastcall'] = time();
            }
            $this->session_initalized = true;
        }
    }

    function createNewSession()
    {
        session_regenerate_id();
        $locale = isset($_SESSION['locale']) ? $_SESSION['locale'] : '';
        foreach ($_SESSION AS $k => $v) {
            unset($_SESSION[$k]);
        }
        if ($locale != '') {
            $_SESSION['locale'] = $locale;
        }
    }

    function set($name, $value, $default=null)
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            if (!isset($_SESSION[$name]) || $_SESSION[$name] != $value) {
                if ($value == $default) {
                    if (isset($_SESSION[$name])) {
                        unset($_SESSION[$name]);
                        $this->changed = true;
                    }
                } else {
                    $this->init_session();
                    $_SESSION[$name] = $value;
                    $this->changed = true;
                }
            }
        } else {
            // Store cookie value in internal array. OcSmarty will call this->header()
            // to actually set the cookie.

            if (!isset($this->values[$name]) || $this->values[$name] != $value) {
                if ($value == $default) {
                    if (isset($this->values[$name])) {
                        unset($this->values[$name]);
                        $this->changed = true;
                    }
                } else {
                    $this->values[$name] = $value;
                    $this->changed = true;
                }
            }
        }
    }
    
    function get($name, $default='')
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            return isset($_SESSION[$name]) ? $_SESSION[$name] : $default;
        } else {
            return isset($this->values[$name]) ? $this->values[$name] : $default;
        }
    }

    function is_set($name)
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            return isset($_SESSION[$name]);
        } else {
            return isset($this->values[$name]);
        }
    }

    function un_set($name)
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            if (isset($_SESSION[$name])) {
                unset($_SESSION[$name]);
                $this->changed = true;
            }
        } else {
            if (isset($this->values[$name])) {
                unset($this->values[$name]);
                $this->changed = true;
            }
        }
    }

    function header()
    {
        global $opt;

        if ($opt['session']['mode'] == SAVE_SESSION) {
            // is autmatically sent
        } else {
            if ($this->changed == true) {
                if (count($this->values) == 0) {
                    setcookie($opt['session']['cookiename'] . 'data', false, time() + 31536000, $opt['session']['path'], $opt['session']['domain'], 0);
                } else {
                    setcookie($opt['session']['cookiename'] . 'data', base64_encode(serialize($this->values)), time() + 31536000, $opt['session']['path'], $opt['session']['domain'], 0);
                }
            }
        }
    }
    
    function debug()
    {
        global $opt;
        if ($opt['session']['mode'] == SAVE_SESSION) {
            print_r($_SESSION);
        } else {
            print_r($this->values);
        }
        exit;
    }

    function close()
    {
        global $opt;
        if ($opt['session']['mode'] == SAVE_SESSION) {
            if ($this->session_initalized == true) {
                if (count($_SESSION) == 0) {
                    @session_destroy();
                } else {
                    session_write_close();
                }
            }
        }
    }
}