public static function getInstance()
{
if (is_null(self::$instance)) {
$prefs = Preferences::getInstance();
if (!$prefs) {
die_error('get Preferences failed', __FILE__, __LINE__);
}
$enabled_modules = $prefs->get('general', 'module_enable');
if (!in_array('SessionManagement', $enabled_modules)) {
die_error('SessionManagement module must be enabled', __FILE__, __LINE__);
}
$SessionManagement_module_name = 'SessionManagement_' . $prefs->get('SessionManagement', 'enable');
self::$instance = new $SessionManagement_module_name();
}
return self::$instance;
}
public function checkPendingSession($session_)
{
$sessions = Abstract_Session::getByUser($session_->user_login);
foreach ($sessions as $i => $session) {
if ($session->id == $session_->id) {
unset($sessions[$i]);
continue;
}
}
if (count($sessions) != 1) {
return true;
}
$session = reset($sessions);
if ($session->need_creation == 0) {
return true;
}
// Start the creation
try {
$sessionManagement = SessionManagement::getInstance();
} catch (Exception $err) {
Logger::error('main', "SessionStatusChangedPendingSessionCreation:: Failed to get SessionManagement instance");
return false;
}
if (!$sessionManagement->initialize()) {
Logger::error('main', "SessionStatusChangedPendingSessionCreation:: SessionManagement initialization failed");
return false;
}
$userDB = UserDB::getInstance();
$user = $userDB->import($session->user_login);
if (!is_object($user)) {
Logger::error('main', 'SessionStatusChangedPendingSessionCreation:: Unable to import a valid user with login "' . $session->user_login . '"');
return false;
}
$sessionManagement->user = $user;
if (!$sessionManagement->prepareSession($session)) {
Logger::error('main', "SessionStatusChangedPendingSessionCreation:: SessionManagement initialization failed");
return false;
}
// prepareSession can take some time
$session = Abstract_Session::load($session->id);
$session->need_creation = 0;
Abstract_Session::save($session);
return true;
}
define('SERVICE_NOT_AVAILABLE', 'service_not_available');
define('UNAUTHORIZED_SESSION_MODE', 'unauthorized_session_mode');
define('USER_WITH_ACTIVE_SESSION', 'user_with_active_session');
function throw_response($response_code_)
{
Logger::error('main', '(client/start) throw_response(\'' . $response_code_ . '\')');
header('Content-Type: text/xml; charset=utf-8');
$dom = new DomDocument('1.0', 'utf-8');
$response_node = $dom->createElement('response');
$response_node->setAttribute('code', $response_code_);
$dom->appendChild($response_node);
echo $dom->saveXML();
die;
}
try {
$sessionManagement = SessionManagement::getInstance();
} catch (Exception $err) {
throw_response(INTERNAL_ERROR);
}
if (!$sessionManagement->initialize()) {
Logger::error('main', '(client/auth) SessionManagement initialization failed');
throw_response(INTERNAL_ERROR);
}
if (!$sessionManagement->parseClientRequest(@file_get_contents('php://input'))) {
Logger::error('main', '(client/auth) Client does not send a valid XML');
throw_response(INTERNAL_ERROR);
}
if (!$sessionManagement->authenticate()) {
Logger::error('main', '(client/auth) Authentication failed');
throw_response(AUTH_FAILED);
}
function show_default()
{
$userDB = UserDB::getInstance();
$userGroupDB = UserGroupDB::getInstance();
$applicationsGroupDB = ApplicationsGroupDB::getInstance();
$sessionmanagement = SessionManagement::getInstance();
$usersList = new UsersList($_REQUEST);
$us = $usersList->search();
$searchDiv = $usersList->getForm();
page_header();
echo '<h2>' . _('List of users') . '</h2>';
echo $searchDiv;
if (count($us) == 0) {
echo _('No available user') . '<br />';
} else {
echo '<table id="users_table" class="main_sub sortable" border="0" cellspacing="1" cellpadding="3">';
echo '<thead>';
echo '<tr class="title2">';
echo '<th class="unsortable" colspan="3">' . _('Users') . '</th>';
echo '<th colspan="2">' . _('Applications') . '</th>';
echo '<th>' . _('Folders') . '</th>';
echo '<th>' . _('Session') . '</th>';
echo '</tr>';
echo '<tr class="title">';
echo '<th>' . _('Login') . '</th>';
echo '<th>' . _('Name') . '</th>';
echo '<th>' . _('In these users groups') . '</th>';
echo '<th>' . _('Published applications groups') . '</th>';
echo '<th>' . _('Access to these applications') . '</th>';
echo '<th>' . _('Access to these folders') . '</th>';
echo '</tr>';
echo '</thead>';
echo '<tbody>';
$count = 0;
foreach ($us as $u) {
$session_settings_defaults = $u->getSessionSettings('session_settings_defaults');
echo '<tr class="content';
if ($count % 2 == 0) {
echo '1';
} else {
echo '2';
}
echo '">';
echo '<td><a href="users.php?action=manage&id=' . $u->getAttribute('login') . '">' . $u->getAttribute('login') . '</a></td>';
// login
echo '<td><a href="users.php?action=manage&id=' . $u->getAttribute('login') . '">' . $u->getAttribute('displayname') . '</a></td>';
//nam
$users_grps = $u->usersGroups();
// in user group
echo '<td>';
if (count($users_grps) == 0) {
echo '<em>' . _('Not in any users group') . '</em>';
} else {
echo '<table border="0" cellspacing="1" cellpadding="3">';
foreach ($users_grps as $ugrp) {
echo '<tr>';
echo '<td><a href="usersgroup.php?action=manage&id=' . $ugrp->getUniqueID() . '">' . $ugrp->name . '</a></td>';
echo '</tr>';
}
echo '</table>';
}
echo '</td>';
$apps_grps = $u->appsGroups();
if (count($apps_grps) == 0) {
echo '<td colspan="2">';
echo '<em>' . _('No publication') . '</em>';
echo '</td>';
} else {
echo '<td>';
echo '<table border="0" cellspacing="1" cellpadding="3">';
foreach ($apps_grps as $agrp_id) {
$agrp = $applicationsGroupDB->import($agrp_id);
if (is_object($agrp)) {
echo '<tr>';
echo '<td><a href="appsgroup.php?action=manage&id=' . $agrp->id . '">' . $agrp->name . '</a></td>';
echo '</tr>';
}
}
echo '</table>';
echo '</td>';
echo '<td>';
// in app
$apps_s = $u->applications();
if (count($apps_s) == 0) {
echo '<em>' . _('No applications in these groups') . '</em>';
} else {
echo '<table border="0" cellspacing="1" cellpadding="3">';
foreach ($apps_s as $aaa) {
echo '<tr>';
echo '<td><img src="media/image/cache.php?id=' . $aaa->getAttribute('id') . '" alt="" title="" /></td>';
echo '<td><a href="applications.php?action=manage&id=' . $aaa->getAttribute('id') . '">' . $aaa->getAttribute('name') . '</a></td>';
echo '<td style="text-align: center;"><img src="media/image/server-' . $aaa->getAttribute('type') . '.png" width="16" height="16" alt="' . $aaa->getAttribute('type') . '" title="' . $aaa->getAttribute('type') . '" /></td>';
echo '</tr>';
}
echo '</table>';
}
echo '</td>';
}
echo '<td>';
$folders = array();
if (array_key_exists('enable_sharedfolders', $session_settings_defaults) && $session_settings_defaults['enable_sharedfolders'] == 1) {
$folders = $u->getSharedFolders();
}
$profiles = array();
if (array_key_exists('enable_profiles', $session_settings_defaults) && $session_settings_defaults['enable_profiles'] == 1) {
$profiles = $u->getProfiles();
}
$networkfolder_s = array_merge($folders, $profiles);
if (count($networkfolder_s) > 0) {
echo '<table border="0" cellspacing="1" cellpadding="3">';
foreach ($networkfolder_s as $a_networkfolder) {
echo '<tr>';
echo '<td>' . $a_networkfolder->prettyName() . '</td>';
if (isset($a_networkfolder->name) && $a_networkfolder->name !== '') {
$name = $a_networkfolder->name;
} else {
$name = $a_networkfolder->id;
}
echo '<td>';
if (isset($a_networkfolder->name)) {
$page = 'sharedfolders';
} else {
$page = 'profiles';
}
echo '<a href="' . $page . '.php?action=manage&id=' . $a_networkfolder->id . '">' . $name . '</a></td>';
echo '</tr>';
}
echo '</table>';
}
echo '</td>';
echo '<td style="text-align: center;">';
// server
$sessionmanagement2 = clone $sessionmanagement;
$sessionmanagement2->user = $u;
$can_start_session = $sessionmanagement2->buildServersList();
if ($can_start_session === true) {
echo '<img src="media/image/ok.png" alt="" title="" />';
} else {
echo '<img src="media/image/cancel.png" alt="" title="" />';
}
echo '</td>';
echo '</tr>';
$count++;
}
echo '</tbody>';
echo '</table>';
}
page_footer();
}
public function session_simulate($user_login_)
{
$this->check_authorized('viewSummary');
$userDB = UserDB::getInstance();
$user = $userDB->import($user_login_);
if (!$user) {
return null;
}
$userGroupDB = UserGroupDB::getInstance();
$applicationsGroupDB = ApplicationsGroupDB::getInstance();
try {
$sessionmanagement = SessionManagement::getInstance();
} catch (Exception $err) {
die_error('Unable to instanciate SessionManagement: ' . $err->getMessage(), __FILE__, __LINE__);
}
$info = array();
// Should only request SessionManagement instance to catch all these information ...
$info['settings'] = $user->getSessionSettings('session_settings_defaults');
$search_limit = $this->prefs->get('general', 'max_items_per_page');
$usergroupDB = UserGroupDB::getInstance();
list($groups, $sizelimit_exceeded) = $usergroupDB->getGroupsContains('', array(), $search_limit, $user);
$info['user_grps'] = array();
$info['groups_partial_list'] = $sizelimit_exceeded;
foreach ($groups as $group_id => $group) {
$info['user_grps'][$group_id] = $group->name;
}
$info['apps_grps'] = array();
$apps_grps = $user->appsGroups();
foreach ($apps_grps as $agrp_id) {
$agrp = $applicationsGroupDB->import($agrp_id);
if (!is_object($agrp)) {
continue;
}
$info['apps_grps'][$agrp_id] = $agrp->name;
}
$info['apps'] = array();
$applications = $user->applications();
foreach ($applications as $application) {
$a = array('id' => $application->getAttribute('id'), 'name' => $application->getAttribute('name'), 'type' => $application->getAttribute('type'));
$info['apps'][$a['id']] = $a;
}
$info['shared_folders'] = array();
if (array_key_exists('enable_sharedfolders', $info['settings']) && $info['settings']['enable_sharedfolders'] == 1) {
$shared_folders = $user->getSharedFolders();
foreach ($shared_folders as $shared_folder_id => $infos) {
$info['shared_folders'][$shared_folder_id] = array('share_name' => $infos['share']->name, 'mode' => $infos['mode']);
}
}
$info['profiles'] = array();
if (array_key_exists('enable_profiles', $info['settings']) && $info['settings']['enable_profiles'] == 1) {
$profiles = $user->getProfiles();
foreach ($profiles as $profile) {
$info['profiles'][$profile->id] = $profile->id;
}
}
$can_start_session = $user->can_use_session();
$remote_desktop_settings = $user->getSessionSettings('remote_desktop_settings');
$remote_desktop_enabled = $remote_desktop_settings['enabled'] == 1;
$remote_applications_settings = $user->getSessionSettings('remote_applications_settings');
$remote_applications_enabled = $remote_applications_settings['enabled'] == 1;
$bypass_servers_restrictions = $info['settings']['bypass_servers_restrictions'] == 1;
$sessionmanagement2 = clone $sessionmanagement;
$sessionmanagement2->user = $user;
$info['can_start_session_desktop'] = $can_start_session && $remote_desktop_enabled && $sessionmanagement2->getDesktopServer($bypass_servers_restrictions) && $sessionmanagement2->buildServersList(true);
$sessionmanagement2 = clone $sessionmanagement;
$sessionmanagement2->user = $user;
$info['can_start_session_applications'] = $can_start_session && $remote_applications_enabled && $sessionmanagement2->buildServersList(true);
if ($info['can_start_session_desktop'] || $info['can_start_session_applications']) {
$sessionmanagement2 = clone $sessionmanagement;
$sessionmanagement2->user = $user;
$servers = $sessionmanagement2->chooseApplicationServers($bypass_servers_restrictions);
$info['servers'] = array();
if (is_array($servers)) {
foreach ($servers as $server) {
$s = array('id' => $server->id, 'name' => $server->getDisplayName(), 'type' => $server->getAttribute('type'));
$info['servers'][$s['id']] = $s;
}
}
}
if (!$info['can_start_session_desktop'] || !$info['can_start_session_applications']) {
if (!$can_start_session) {
$info['cannot_start_session_reason'] = 'time_restriction';
} else {
if (!$remote_desktop_enabled || !$remote_applications_enabled) {
$info['cannot_start_session_reason'] = 'unauthorized_session_mode';
} else {
$info['cannot_start_session_reason'] = 'invalid_publications';
}
}
}
return $info;
}