<?php
/**
 * Entier Studio
 *
 * LICENSE
 *
 *	Copyright 2006 Entier Studio team.
 *
 *	Licensed under the Apache License, Version 2.0 (the "License");
 *	you may not use this file except in compliance with the License.
 *	You may obtain a copy of the License at
 *
 *		http://www.apache.org/licenses/LICENSE-2.0
 *
 *	Unless required by applicable law or agreed to in writing, software
 *	distributed under the License is distributed on an "AS IS" BASIS,
 *	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *	See the License for the specific language governing permissions and
 *	limitations under the License.
 *
 * @package    entier.framework
 * @copyright  Copyright (c) 2006 Entier Studio team. All rights reserved.
 * @version	   $Id: httpsession.php 81 2008-01-17 23:08:21Z yannromefort $
 */
//-----------------------------------------------------------------------------
//	namespace
if (!defined("DefHttpSession")) {
    //-------------------------------------------------------------------------
    //	Define
    define("DefHttpSession", "1");
    //
    define(HTTP_NO_SESSION, 0);
    define(HTTP_COOKIE_BASED, 1);
    define(HTTP_URL_BASED, 2);
    //-------------------------------------------------------------------------
    //	Include
    @require_once (FRAMEWORK_DIR . "useripaddress.php");
    //-------------------------------------------------------------------------
    //	Class
    class HttpSession {
        //---------------------------------------------------------------------
        //	Attributes
        
        /**
         *
         * @var	integer
         */
        var $m_PrivacyID = 0;
        /**
         *
         * @var	integer
         */
        var $m_SessionID = 0;
        /**
         *
         * @var	integer
         */
        var $m_AddressID = 0;
        /**
         *
         * @var	integer
         */
        var $m_LifeStamp = 0;
        /**
         *
         * @var	integer
         */
        var $m_HttpMethod = 0;
        //---------------------------------------------------------------------
        //	Constructor
        
        /**
         * HttpSession constructor
         * @param	integer
         */
        function HttpSession($lifeStamp = 0) {
            //
            $this->m_LifeStamp = $lifeStamp;
        }
        //---------------------------------------------------------------------
        //	Properties
        //	Property:	session_value
        
        /**
         *
         * @param	string
         * @param	variant
         * @return	boolean
         */
        function set_session_value($field, $value) {
            //
            $_SESSION[$field] = $value;
            //
            return (true);
        }
        /**
         *
         * @param	string
         * @return	variant
         */
        function get_session_value($field) {
            //
            if (isset($_SESSION[$field])) return ($_SESSION[$field]);
            //
            return (false);
        }
        //	Property:	privacy_id
        
        /**
         *
         * @param	string	Field name
         * @param	string	Field value
         * @return	boolean	Return flag
         */
        function set_privacy_id($field, $value = 0) {
            //
            if (empty($value)) $this->m_PrivacyID = uniqid("");
            else $this->m_PrivacyID = $value;
            //
            if (!empty($this->m_PrivacyID)) {
                //
                @SetCookie($field, @md5($this->m_PrivacyID) , time() +$this->m_LifeStamp, "/", "", 0);
                //
                return (true);
            }
            //
            return (false);
        }
        /**
         *
         * @param	string	Field name
         * @return	boolean	Return flag
         */
        function get_privacy_id($field) {
            //
            if (isset($_COOKIE[$field])) {
                $this->m_PrivacyID = $_COOKIE[$field];
                $this->m_HttpMethod = HTTP_COOKIE_BASED;
                return ($this->m_PrivacyID);
            }
            //
            $this->m_PrivacyID = 0;
            $this->m_HttpMethod = 0;
            //
            return (false);
        }
        //	Property:	session_id
        
        /**
         *
         * @param	string	Field name
         * @param	string	Field value
         * @return	boolean	Return flag
         */
        function set_session_id($field) {
            //
            $this->m_SessionID = uniqid("");
            if (!empty($this->m_SessionID)) {
                //
                @SetCookie($field, @md5($this->m_SessionID) , 0, "/", "", 0);
                //
                return (true);
            }
            //
            return (false);
        }
        /**
         *
         * @param	string	Field name
         * @return	boolean	Return flag
         */
        function get_session_id($field) {
            //
            if (isset($_COOKIE[$field])) {
                $this->m_SessionID = $_COOKIE[$field];
                $this->m_HttpMethod = HTTP_COOKIE_BASED;
                return ($this->m_SessionID);
            }
            //
            $this->m_SessionID = 0;
            $this->m_HttpMethod = HTTP_NO_SESSION;
            return (false);
        }
        //	Property:	address_id
        
        /**
         *
         * @param	string	Field name
         * @param	string	Field value
         * @return	boolean	Return flag
         */
        function set_address_id($field) {
            //
            $this->m_AddressID = uniqid("");
            if (!empty($this->m_AddressID)) {
                //
                @SetCookie($field, @md5($this->m_AddressID) , 0, "/", "", 0);
                //
                return (true);
            }
            //
            return (false);
        }
        /**
         *
         * @param	string	Field name
         * @return	boolean	Return flag
         */
        function get_address_id($field) {
            //
            if (isset($_COOKIE[$field])) {
                $this->m_SessionID = $_COOKIE[$field];
                $this->m_HttpMethod = HTTP_COOKIE_BASED;
                return ($this->m_AddressID);
            }
            //
            $this->m_AddressID = 0;
            $this->m_HttpMethod = HTTP_NO_SESSION;
            return (false);
        }
        /**
         *
         * @param	string
         */
        function HttpAuthentification($text = "") {
            //
            header("WWW-Authenticate: Basic realm=\"My Realm\"");
            header("HTTP/1.0 401 Unauthorized");
            print "$text";
            //
            return (headers_sent());
        }
        /**
         *
         * @param	string
         */
        function HttpRedirection($page = "") {
            //
            header("Location: $page");
            //
            exit(headers_sent());
        }
    };
    //	Class
    //-------------------------------------------------------------------------
    
}
//	namespace
//-----------------------------------------------------------------------------
?>