/**
* View a session
*
* @return void
*/
public function viewTask()
{
// Check that the user is logged in
if (User::isGuest()) {
$this->loginTask();
return;
}
// Incoming
$app = new stdClass();
//array();
$app->sess = Request::getInt('sess', 0);
// Make sure we have an app to invoke
if (!$app->sess) {
App::redirect(Route::url($this->config->get('stopRedirect', 'index.php?option=com_members&task=myaccount')), Lang::txt('COM_TOOLS_ERROR_SESSION_NOT_FOUND'), 'error');
return;
}
$this->view->rtrn = Request::getVar('return', '');
// Get the user's IP address
$app->ip = Request::ip();
//Request::getVar('REMOTE_ADDR', '', 'server');
// Double-check that the user can view this session.
$mwdb = \Components\Tools\Helpers\Utils::getMWDBO();
$ms = new \Components\Tools\Tables\Session($mwdb);
$row = $ms->loadSession($app->sess, $this->config->get('access-manage-session'));
if (!is_object($row) || !$row->appname) {
App::abort(404, Lang::txt('COM_TOOLS_ERROR_SESSION_NOT_FOUND') . ': ' . $app->sess);
return;
}
$this->view->middleware = new \Components\Tools\Models\Middleware();
//$session = $this->view->middleware->session($app->sess);
include_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'version.php';
$tv = new \Components\Tools\Tables\Version($this->database);
$tv->loadFromInstance($row->appname);
$this->database->setQuery("SELECT zone_id FROM `#__tool_version_zone` WHERE tool_version_id=" . $this->database->quote($tv->id));
$this->view->middleware->set('allowed', $this->database->loadColumn());
$this->view->zone = $this->view->middleware->zone($row->zone_id);
if (strstr($row->appname, '_')) {
$v = substr(strrchr($row->appname, '_'), 1);
$v = str_replace('r', '', $v);
Request::setVar('version', $v);
}
// Get parent tool name - to write correct links
//$tv = new \Components\Tools\Tables\Version($this->database);
$parent_toolname = $tv->getToolname($row->appname);
$toolname = $parent_toolname ? $parent_toolname : $row->appname;
// Get the tool's name
//$tv->loadFromInstance($row->appname);
$app->title = stripslashes($tv->title);
$app->params = new \Hubzero\Config\Registry($tv->params);
// Ensure we found an active session
if (!$row->sesstoken) {
App::abort(404, Lang::txt('MW_ERROR_SESSION_NOT_FOUND') . ': ' . $app->sess . '. ' . Lang::txt('MW_SESSION_NOT_FOUND_EXPLANATION'));
return;
}
// Get their disk space usage
$app->percent = 0;
if ($this->config->get('show_storage')) {
$this->_getDiskUsage('soft', false);
$app->percent = $this->percent;
}
// Build the view command
if ($this->config->get('access-manage-session')) {
$command = "view user="******" ip=" . $app->ip . " sess=" . $app->sess;
} else {
$command = "view user="******" ip=" . $app->ip . " sess=" . $app->sess;
}
// Check if we have access to run this tool.
// If not, force view to be read-only.
// This will happen in the event of sharing.
$noaccess = $this->_getToolAccess($row->appname) == false;
if ($this->getError()) {
echo '<!-- ' . $this->getError() . ' -->';
}
if ($noaccess) {
$command .= " readonly=1";
}
$app->caption = $row->sessname;
$app->name = $row->appname;
$app->username = $row->username;
$app->owns = $ms->checkSession($app->sess);
// Get plugins
Plugin::import('mw', $app->name);
// Trigger any events that need to be called before session start
Event::trigger('mw.onBeforeSessionStart', array($toolname, $tv->revision));
// Call the view command
$status = $this->middleware($command, $output);
// If weber_auth is defined, set a cookie for it.
if (isset($output->weber_auth)) {
$domain = rtrim(Request::base(), '/');
$domain = preg_replace('/^http:\\/\\//', '', $domain);
$domain = preg_replace('/^https:\\/\\//', '', $domain);
$name = 'weber-auth-' . preg_replace('/\\./', '-', $domain);
$secure = true;
$httponly = true;
setcookie($name, $output->weber_auth, time() + 86400 * 30, "/", $domain, $secure, $httponly);
}
// If this is something other than VNC, such as Jupyter,
// redirect to the proxy URL provided. And we're done.
if (isset($output->redirect_url)) {
App::Redirect($output->redirect_url);
return;
// Do no more after this.
}
if ($app->params->get('vncEncoding', 0)) {
$output->encoding = trim($app->params->get('vncEncoding', ''), '"');
}
if ($app->params->get('vncShowControls', 0)) {
$output->show_controls = trim($app->params->get('vncShowControls', ''), '"');
}
if ($app->params->get('vncShowLocalCursor', 0)) {
$output->show_local_cursor = trim($app->params->get('vncShowLocalCursor', ''), '"');
}
if ($app->params->get('vncDebug', 0)) {
$output->debug = trim($app->params->get('vncDebug', ''), '"');
}
foreach ($output as $key => $value) {
$output->{$key} = strval($value);
}
$boolean_keys = array('debug', 'show_local_cursor', 'show_controls', 'view_only', 'trust_all_vnc_certs', 'view_only', 'wsproxy_encrypt');
foreach ($boolean_keys as $key) {
if (isset($output->{$key})) {
$value = strtolower($output->{$key});
if (in_array($value, array('1', 'y', 'on', 'yes', 't', 'true'))) {
$output->{$key} = 'Yes';
} else {
$output->{$key} = 'No';
}
}
}
if (empty($output->wsproxy_host)) {
$output->wsproxy_host = $_SERVER['SERVER_NAME'];
}
if (empty($output->wsproxy_port)) {
$output->wsproxy_port = '8080';
}
if (!isset($output->wsproxy_encrypt)) {
$output->wsproxy_encrypt = 'No';
}
if (!isset($output->view_only)) {
$output->view_only = 'No';
}
if (!isset($output->trust_all_vnc_certs)) {
$output->trust_all_vnc_certs = 'Yes';
}
if (!isset($output->disableSSL)) {
$output->disable_ssl = 'No';
}
if (!isset($output->name)) {
$output->name = 'App Viewer';
}
if (!isset($output->offer_relogin)) {
$output->offer_relogin = '******';
}
if (!isset($output->permissions)) {
$output->permissions = 'all-permissions';
}
if (!isset($output->code)) {
$output->code = 'VncViewer.class';
}
if (!isset($output->archive)) {
$output->archive = rtrim(Request::base(true), '/') . '/core/components/com_tools/scripts/VncViewer-20150319-01.jar';
}
if (!isset($output->id)) {
$output->id = 'theapp';
}
if (!isset($output->host)) {
$output->host = $_SERVER['SERVER_NAME'];
}
if (!isset($output->password) && !empty($output->encpassword)) {
$decpassword = pack("H*", $output->encpassword);
$output->password = \Components\Tools\Helpers\Vnc::decrypt($decpassword);
}
if (!isset($output->token) && !empty($output->connect)) {
if (strncmp($output->connect, 'vncsession:', 11) == 0) {
$output->token = substr($output->connect, 11);
}
}
if (empty($output->class)) {
$cls = array();
if ($app->params->get('noResize', 0)) {
$cls[] = 'no-resize';
}
if ($app->params->get('noPopout', 0)) {
$cls[] = 'no-popout';
}
if ($app->params->get('noPopoutClose', 0)) {
$cls[] = 'no-popout-close';
}
if ($app->params->get('noPopoutMaximize', 0)) {
$cls[] = 'no-popout-maximize';
}
if ($app->params->get('noRefresh', 0)) {
$cls[] = 'no-refresh';
}
$output->class = "thisapp";
if (!empty($cls)) {
$output->class .= ' ' . implode(' ', $cls);
}
}
// Trigger any events that need to be called after session start
Event::trigger('mw.onAfterSessionStart', array($toolname, $tv->revision));
// Set the layout
$sublayout = strtolower(Request::getWord('layout', ''));
$sublayout = $sublayout == 'display' ? '' : $sublayout;
$this->view->setLayout('session' . ($sublayout ? '_' . $sublayout : ''));
// Set the page title
$title = Lang::txt('COM_RESOURCES') . ': ' . Lang::txt('COM_TOOLS');
$title .= $app->title ? ': ' . $app->title : ': ' . $app->name;
$title .= ': ' . Lang::txt('Session');
$title .= $app->caption ? ': ' . $app->sess . ' "' . $app->caption . '"' : ': ' . $app->sess;
Document::setTitle($title);
// Set the breadcrumbs
if (Pathway::count() <= 0) {
Pathway::append(Lang::txt('COM_RESOURCES'), 'index.php?option=com_resources');
}
Pathway::append(Lang::txt('COM_TOOLS'), 'index.php?option=com_resources&type=tools');
Pathway::append($app->title, 'index.php?option=' . $this->_option . '&controller=' . $this->controller . '&app=' . $toolname);
if ($this->_task) {
$t = $app->caption ? $app->sess . ' "' . $app->caption . '"' : $app->sess;
Pathway::append(Lang::txt('COM_TOOLS_SESSION_NUMBER', $t), 'index.php?option=' . $this->_option . '&controller=' . $this->controller . '&app=' . $toolname . '&task=session&sess=' . $app->sess);
}
// Get users groups
$this->view->mygroups = \Hubzero\User\Helper::getGroups(User::get('id'), 'members', 1);
$this->view->app = $app;
$this->view->config = $this->config;
$this->view->output = $output;
$this->view->toolname = $toolname;
$this->view->total = $this->total;
// Get everyone sharing this session
if ($app->sess) {
// Get the middleware database
$mwdb = \Components\Tools\Helpers\Utils::getMWDBO();
// Load the viewperm
$ms = new \Components\Tools\Tables\Viewperm($mwdb);
$this->view->shares = $ms->loadViewperm($app->sess);
}
// Set any error messages
foreach ($this->getErrors() as $error) {
$this->view->setError($error);
}
// Output HTML
$this->view->display();
}
/**
* Method to view tool session
*
* @apiMethod GET
* @apiUri /tools/{session}
* @return void
*/
public function readTask()
{
//get the userid and attempt to load user profile
$userid = App::get('authn')['user_id'];
$result = User::getInstance($userid);
//make sure we have a user
if (!$result->get('id')) {
throw new Exception(Lang::txt('Unable to find user.'), 404);
}
//include needed tool libs
include_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'version.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'session.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'viewperm.php';
//instantiate db objects
$database = \App::get('db');
$mwdb = \Components\Tools\Helpers\Utils::getMWDBO();
//get request vars
$sessionid = Request::getVar('sessionid', '');
$ip = Request::ip();
//make sure we have the session
if (!$sessionid) {
throw new Exception(Lang::txt('Session ID Needed'), 400);
}
//create app object
$app = new stdClass();
$app->sess = $sessionid;
$app->ip = $ip;
//load the session
$ms = new \Components\Tools\Models\Middleware\Session($mwdb);
$row = $ms->loadSession($app->sess);
//if we didnt find a session
if (!is_object($row) || !$row->appname) {
throw new Exception(Lang::txt('Session Doesn\'t Exist.'), 404);
}
//get the version
if (strstr($row->appname, '_')) {
$v = substr(strrchr($row->appname, '_'), 1);
$v = str_replace('r', '', $v);
Request::setVar('version', $v);
}
//load tool version
$tv = new \Components\Tools\Tables\Version($database);
$parent_toolname = $tv->getToolname($row->appname);
$toolname = $parent_toolname ? $parent_toolname : $row->appname;
$tv->loadFromInstance($row->appname);
//command to run on middleware
$command = "view user="******" ip=" . $app->ip . " sess=" . $app->sess;
//app vars
$app->caption = $row->sessname;
$app->name = $row->appname;
$app->username = $row->username;
// Get plugins
Plugin::import('mw', $app->name);
// Trigger any events that need to be called before session start
Event::trigger('mw.onBeforeSessionStart', array($toolname, $tv->revision));
// Call the view command
$status = \Components\Tools\Helpers\Utils::middleware($command, $output);
// Trigger any events that need to be called after session start
Event::trigger('mw.onAfterSessionStart', array($toolname, $tv->revision));
//add the session id to the result
$output->session = $sessionid;
//add tool title to result
$output->tool = $tv->title;
$output->session_title = $app->caption;
$output->owner = $row->viewuser == $row->username ? 1 : 0;
$output->readonly = $row->readonly == 'Yes' ? 1 : 0;
//return result
if ($status) {
$this->send($output);
}
}
