/**
* reads session settings from db
*
* @return array session_settings
*/
function getSessionSettings()
{
require_once 'Services/Authentication/classes/class.ilSessionControl.php';
$db = $this->client->getDB();
$setting_fields = ilSessionControl::getSettingFields();
$query = "SELECT * FROM settings WHERE module = %s " . "AND " . $db->in('keyword', $setting_fields, false, 'text');
$res = $db->queryF($query, array('text'), array('common'));
$session_settings = array();
while ($row = $res->fetchRow(DB_FETCHMODE_ASSOC)) {
$session_settings[$row['keyword']] = $row['value'];
}
foreach ($setting_fields as $field) {
if (!isset($session_settings[$field])) {
$value = 1;
switch ($field) {
case 'session_max_count':
$value = ilSessionControl::DEFAULT_MAX_COUNT;
break;
case 'session_min_idle':
$value = ilSessionControl::DEFAULT_MIN_IDLE;
break;
case 'session_max_idle':
$value = ilSessionControl::DEFAULT_MAX_IDLE;
break;
case 'session_max_idle_after_first_request':
$value = ilSessionControl::DEFAULT_MAX_IDLE_AFTER_FIRST_REQUEST;
break;
case 'session_allow_client_maintenance':
$value = ilSessionControl::DEFAULT_ALLOW_CLIENT_MAINTENANCE;
break;
}
$session_settings[$field] = $value;
}
}
return $session_settings;
}
/**
* display sessions form and process form input
*/
function displaySessions()
{
require_once 'Services/Authentication/classes/class.ilSessionControl.php';
$this->checkDisplayMode("setup_sessions");
if (!$this->setup->getClient()->db_installed) {
// program should never come to this place
$message = "No database found! Please install database first.";
ilUtil::sendInfo($message);
}
$setting_fields = ilSessionControl::getSettingFields();
$valid = true;
$settings = array();
foreach ($setting_fields as $field) {
if ($field == 'session_allow_client_maintenance') {
if (isset($_POST[$field])) {
$_POST[$field] = '1';
} else {
$_POST[$field] = '0';
}
}
if (isset($_POST[$field]) && $_POST[$field] != '') {
$settings[$field] = $_POST[$field];
} else {
$valid = false;
break;
}
}
if ($valid) {
$this->setup->setSessionSettings($settings);
}
$settings = $this->setup->getSessionSettings();
include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
$form = new ilPropertyFormGUI();
include_once 'Services/Authentication/classes/class.ilSession.php';
// BEGIN SESSION SETTINGS
// create session handling radio group
$ssettings = new ilRadioGroupInputGUI($this->lng->txt('sess_mode'), 'session_handling_type');
$ssettings->setValue($settings['session_handling_type'], ilSession::SESSION_HANDLING_FIXED);
// first option, fixed session duration
$fixed = new ilRadioOption($this->lng->txt('sess_fixed_duration'), ilSession::SESSION_HANDLING_FIXED);
// add session handling to radio group
$ssettings->addOption($fixed);
// second option, session control
$ldsh = new ilRadioOption($this->lng->txt('sess_load_dependent_session_handling'), ilSession::SESSION_HANDLING_LOAD_DEPENDENT);
// this is the max count of active sessions
// that are getting started simlutanously
$ti = new ilTextInputGUI($this->lng->txt('sess_max_session_count'), "session_max_count");
$ti->setInfo($this->lng->txt('sess_max_session_count_info'));
$ti->setMaxLength(5);
$ti->setSize(5);
$ti->setValue($settings['session_max_count']);
$ldsh->addSubItem($ti);
// after this (min) idle time the session can be deleted,
// if there are further requests for new sessions,
// but max session count is reached yet
$ti = new ilTextInputGUI($this->lng->txt('sess_min_session_idle'), "session_min_idle");
$ti->setInfo($this->lng->txt('sess_min_session_idle_info'));
$ti->setMaxLength(5);
$ti->setSize(5);
$ti->setValue($settings['session_min_idle']);
$ldsh->addSubItem($ti);
// after this (max) idle timeout the session expires
// and become invalid, so it is not considered anymore
// when calculating current count of active sessions
$ti = new ilTextInputGUI($this->lng->txt('sess_max_session_idle'), "session_max_idle");
$ti->setInfo($this->lng->txt('sess_max_session_idle_info'));
$ti->setMaxLength(5);
$ti->setSize(5);
$ti->setValue($settings['session_max_idle']);
$ldsh->addSubItem($ti);
// this is the max duration that can elapse between the first and the secnd
// request to the system before the session is immidietly deleted
$ti = new ilTextInputGUI($this->lng->txt('sess_max_session_idle_after_first_request'), "session_max_idle_after_first_request");
$ti->setInfo($this->lng->txt('sess_max_session_idle_after_first_request_info'));
$ti->setMaxLength(5);
$ti->setSize(5);
$ti->setValue($settings['session_max_idle_after_first_request']);
$ldsh->addSubItem($ti);
// add session control to radio group
$ssettings->addOption($ldsh);
$form->addItem($ssettings);
// controls the ability t maintenance the following
// settings in client administration
$chkb = new ilCheckboxInputGUI($this->lng->txt('sess_allow_client_maintenance'), "session_allow_client_maintenance");
$chkb->setInfo($this->lng->txt('sess_allow_client_maintenance_info'));
$chkb->setChecked($settings['session_allow_client_maintenance'] ? true : false);
$form->addItem($chkb);
// END SESSION SETTINGS
// save and cancel commands
$form->addCommandButton("sess", $this->lng->txt('save'));
$form->setTitle($this->lng->txt("sess_sessions"));
$form->setFormAction('setup.php?client_id=' . $this->client_id . '&cmd=sess');
$this->tpl->setVariable("TXT_SETUP_TITLE", ucfirst(trim($this->lng->txt('sess_sessions'))));
$this->tpl->setVariable("TXT_INFO", '');
$this->tpl->setVariable("SETUP_CONTENT", $form->getHTML());
/*$this->setButtonPrev("db");
if($this->setup->checkClientSessionSettings($this->client,true))
{
$this->setButtonNext("lang");
}*/
$this->checkPanelMode();
}
