public function __construct()
{
include 'permission_levels.php';
$enabled_features = explode(',', strtoupper(ENABLED_FEATURES));
foreach ($PERM_LEVELS as $i => $detail) {
list($define_symbol, $desc, $feature_code) = $detail;
define('PERM_' . $define_symbol, $i);
if (empty($feature_code) || in_array($feature_code, $enabled_features)) {
$this->_permission_levels[$i] = $desc;
}
}
if (!empty($_REQUEST['logout'])) {
$this->_logOut();
} else {
if (empty($_SESSION['user']) && !empty($_POST['username'])) {
// process the login form
if (array_get($_SESSION, 'login_key', NULL) != $_POST['login_key']) {
$this->_error = 'Login Key Incorrect. Please try again.';
return;
}
$user_details = $this->_findUser($_POST['username'], $_POST['password']);
if (is_null($user_details)) {
$this->_error = 'Incorrect username or password';
} else {
// Log the user in
// Recreate session when logging in
session_regenerate_id();
$_SESSION = array();
$_SESSION['user'] = $user_details;
$_SESSION['login_time'] = time();
$_SESSION['last_activity_time'] = time();
include_once 'include/size_detector.class.php';
SizeDetector::processRequest();
}
}
}
if (!empty($_SESSION['user'])) {
if (defined('SESSION_TIMEOUT_MINS') && constant('SESSION_TIMEOUT_MINS')) {
if ((time() - $_SESSION['last_activity_time']) / 60 > SESSION_TIMEOUT_MINS) {
// They have been idle too long
$this->_logOut();
}
}
if (defined('SESSION_MAXLENGTH_MINS') && constant('SESSION_MAXLENGTH_MINS')) {
if ((time() - $_SESSION['login_time']) / 60 > SESSION_MAXLENGTH_MINS) {
// They have been logged in too long
$this->_logOut();
}
}
$_SESSION['last_activity_time'] = time();
$res = $GLOBALS['db']->query('SET @current_user_id = ' . (int) $_SESSION['user']['id']);
if (PEAR::isError($res)) {
trigger_error('Failed to set user id in database', E_USER_ERROR);
}
}
}
<?php
@session_start();
include 'size_detector.class.php';
SizeDetector::processRequest();
?>
<html>
<head>
<style>html,body { height: 100% }</style>
</head>
<body>
<h1>Size Detector Test</h1>
<pre style="border: 2px solid">
The server thinks the width is <?php
echo SizeDetector::getWidth();
?>
and height is <?php
echo SizeDetector::getHeight();
?>
</pre>
<form method="post" style="border: 2px solid">
<?php
SizeDetector::printFormFields();
?>
This is a form
<input type="submit" />
</form>
</body>
</html>
