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archive/version_01/admin/includes/functions/sessions.php

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+<?php
+//
+// +----------------------------------------------------------------------+
+// |zen-cart Open Source E-commerce                                       |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 2003 The zen-cart developers                           |
+// |                                                                      |   
+// | http://www.zen-cart.com/index.php                                    |   
+// |                                                                      |   
+// | Portions Copyright (c) 2003 osCommerce                               |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.0 of the GPL license,       |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available through the world-wide-web at the following url:           |
+// | http://www.zen-cart.com/license/2_0.txt.                             |
+// | If you did not receive a copy of the zen-cart license and are unable |
+// | to obtain it through the world-wide-web, please send a note to       |
+// | license@zen-cart.com so we can mail you a copy immediately.          |
+// +----------------------------------------------------------------------+
+//  $Id: sessions.php 1969 2005-09-13 06:57:21Z drbyte $
+//
+
+  if (STORE_SESSIONS == 'db') {
+    if (!$SESS_LIFE = get_cfg_var('session.gc_maxlifetime')) {
+      $SESS_LIFE = 1440;
+    }
+
+    function _sess_open($save_path, $session_name) {
+      return true;
+    }
+
+    function _sess_close() {
+      return true;
+    }
+
+    function _sess_read($key) {
+      global $db;
+      $value = $db->Execute("select value 
+                             from " . TABLE_SESSIONS . " 
+                             where sesskey = '" . zen_db_input($key) . "' 
+                             and expiry > '" . time() . "'");
+
+      if ($value->fields['value']) {
+        return $value->fields['value'];
+      }
+
+      return false;
+    }
+
+    function _sess_write($key, $val) {
+      global $SESS_LIFE, $db;
+
+      $expiry = time() + $SESS_LIFE;
+      $value = $val;
+
+      $total = $db->Execute("select count(*) as total 
+                             from " . TABLE_SESSIONS . " 
+                             where sesskey = '" . zen_db_input($key) . "'");
+
+      if ($total->fields['total'] > 0) {
+        return $db->Execute("update " . TABLE_SESSIONS . " 
+                             set expiry = '" . zen_db_input($expiry) . "', 
+                                 value = '" . zen_db_input($value) . "' 
+                             where sesskey = '" . zen_db_input($key) . "'");
+      } else {
+        return $db->Execute("insert into " . TABLE_SESSIONS . " 
+                             values ('" . zen_db_input($key) . "', '" . zen_db_input($expiry) . "', 
+                                     '" . zen_db_input($value) . "')");
+      }
+    }
+
+    function _sess_destroy($key) {
+      global $db;
+      return $db->Execute("delete from " . TABLE_SESSIONS . " 
+                           where sesskey = '" . zen_db_input($key) . "'");
+    }
+
+    function _sess_gc($maxlifetime) {
+      global $db;
+      $db->Execute("delete from " . TABLE_SESSIONS . " where expiry < '" . time() . "'");
+
+      return true;
+    }
+
+    session_set_save_handler('_sess_open', '_sess_close', '_sess_read', '_sess_write', '_sess_destroy', '_sess_gc');
+  }
+
+  function zen_session_start() {
+    return session_start();
+  }
+
+  function zen_session_register($variable) {
+    return session_register($variable);
+  }
+
+  function zen_session_is_registered($variable) {
+    return session_is_registered($variable);
+  }
+
+  function zen_session_unregister($variable) {
+    return session_unregister($variable);
+  }
+
+  function zen_session_id($sessid = '') {
+    if ($sessid != '') {
+      return session_id($sessid);
+    } else {
+      return session_id();
+    }
+  }
+
+  function zen_session_name($name = '') {
+    if ($name != '') {
+      return session_name($name);
+    } else {
+      return session_name();
+    }
+  }
+
+  function zen_session_close() {
+    if (function_exists('session_close')) {
+      return session_close();
+    }
+  }
+
+  function zen_session_destroy() {
+    return session_destroy();
+  }
+
+  function zen_session_save_path($path = '') {
+    if ($path != '') {
+      return session_save_path($path);
+    } else {
+      return session_save_path();
+    }
+  }
+?>