/**
* Method to setup Windows filesharing connection
*
* @apiMethod GET
* @apiUri /tools/{sessionid}/fileshare
* @apiParameter {
* "name": "sessionid",
* "description": "Tool session identifier",
* "type": "integer",
* "required": true,
* "default": 0
* }
* @apiParameter {
* "name": "username",
* "description": "Username",
* "type": "string",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "private_ip",
* "description": "Private IP Address",
* "type": "string",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "public_ip",
* "description": "Public IP Address",
* "type": "string",
* "required": false,
* "default": null
* }
* @return void
*
*
*
* @TODO: This is just a rough draft. needs a little polishing.
*
*/
public function fileshareTask()
{
//$this->requiresAuthentication();
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'session.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'viewperm.php';
// instantiate middleware database object
$mwdb = \Components\Tools\Helpers\Utils::getMWDBO();
// get any request vars
$username = Request::getVar('username');
$sessionid = Request::getVar('id');
$private_ip = Request::getVar('private_ip');
$public_ip = Request::getVar('public_ip', Request::ip());
// check to make sure we have a valid sessionid
if ($sessionid == '' || !is_numeric($sessionid)) {
throw new Exception(Lang::txt('No session ID Specified.'), 401);
}
// load session
$ms = new \Components\Tools\Tables\Session($mwdb);
$sess = $ms->loadSession($sessionid);
$command = "/usr/bin/sudo /usr/bin/hzappstream --remote 128.46.19.124 fileshare add {$username} {$sessionid} {$public_ip} {$private_ip} --ipsec-use-default-psk";
$command = escapeshellcmd($command);
$descriptorspec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
$process = proc_open($command, $descriptorspec, $pipes, "/", NULL);
if (is_resource($process)) {
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
fclose($pipes[0]);
$output = stream_get_contents($pipes[1]);
fclose($pipes[1]);
$error = stream_get_contents($pipes[2]);
fclose($pipes[2]);
// It is important that you close any pipes before calling
// proc_close in order to avoid a deadlock
$return_value = proc_close($process);
$output = strstr($output, '{');
$joutput = json_decode($output);
$object = array('fileserver' => '128.46.19.124', 'username' => $username, 'session' => $sessionid, 'ipsec_ip1' => $public_ip, 'ipsec_ip2' => $private_ip, 'smb_username' => 'smb-' . $sessionid);
$object['smb_password'] = $joutput->smb_password;
} else {
$object = array('fileserver' => '128.46.19.124', 'username' => $username, 'session' => $sessionid, 'ipsec_ip1' => $public_ip, 'ipsec_ip2' => $private_ip, 'ipsec_password' => NULL, 'smb_username' => 'smb-' . $sessionid, 'smb_password' => NULL);
}
$this->send($object);
}
/**
* 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 return session screenshot
*
* @apiMethod GET
* @apiUri /tools/{sessionid}/screenshot
* @apiParameter {
* "name": "sessionid",
* "description": "Tool session identifier",
* "type": "integer",
* "required": true,
* "default": 0
* }
* @apiParameter {
* "name": "type",
* "description": "Image format",
* "type": "string",
* "required": false,
* "default": "png",
* "allowedValues": "png, jpg, jpeg, gif"
* }
* @apiParameter {
* "name": "notfound",
* "description": "Not found",
* "type": "integer",
* "required": false,
* "default": 0
* }
* @return void
*/
public function screenshotTask()
{
$this->requiresAuthentication();
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'session.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'viewperm.php';
//instantiate middleware database object
$mwdb = \Components\Tools\Helpers\Utils::getMWDBO();
//get any request vars
$type = Request::getVar('type', 'png');
$sessionid = Request::getVar('sessionid', '');
$notFound = Request::getVar('notfound', 0);
$image_type = IMAGETYPE_PNG;
if ($type == 'jpeg' || $type == 'jpg') {
$image_type = IMAGETYPE_JPEG;
} else {
if ($type == 'gif') {
$image_type = IMAGETYPE_GIF;
}
}
//check to make sure we have a valid sessionid
if ($sessionid == '' || !is_numeric($sessionid)) {
throw new Exception(Lang::txt('No session ID Specified.'), 401);
}
//load session
$ms = new \Components\Tools\Tables\Session($mwdb);
$sess = $ms->loadSession($sessionid);
//check to make sure we have a sessions dir
$home_directory = DS . 'webdav' . DS . 'home' . DS . strtolower($sess->username) . DS . 'data' . DS . 'sessions';
if (!is_dir($home_directory)) {
clearstatcache();
if (!is_dir($home_directory)) {
throw new Exception(Lang::txt('Unable to find users sessions directory: %s', $home_directory), 404);
}
}
//check to make sure we have an active session with the ID supplied
$home_directory .= DS . $sessionid . '{,L,D}';
$directories = glob($home_directory, GLOB_BRACE);
if (empty($directories)) {
throw new Exception(Lang::txt('No Session directory with the ID: %s', $sessionid), 404);
} else {
$home_directory = $directories[0];
}
// check to make sure we have a screenshot
$screenshot = $home_directory . DS . 'screenshot.png';
if (!file_exists($screenshot)) {
if ($notFound) {
$screenshot = dirname(dirname(__DIR__)) . DS . 'site' . DS . 'assets' . DS . 'img' . DS . 'screenshot-notfound.png';
} else {
throw new Exception(Lang::txt('No screenshot Found.'), 404);
}
}
// Load image and serve up
$image = new \Hubzero\Image\Processor($screenshot);
$image->setImageType($image_type);
$this->send($image->inline(), 200);
}
