function execute($par)
{
$request = $this->getRequest();
$output = $this->getOutput();
$this->setHeaders();
if (!$this->userCanExecute($this->getUser())) {
$this->displayRestrictionError();
return;
}
global $virtualFactoryURL;
global $virtualFactoryUser;
global $virtualFactoryPass;
global $virtualFactoryImages;
if ($par === "token") {
$token = $request->getText('id');
$success = 0;
$context = stream_context_create(array('http' => array('header' => array("Authorization: Basic " . base64_encode("{$virtualFactoryUser}:{$virtualFactoryPass}"), "Content-type: application/x-www-form-urlencoded"), 'method' => 'POST', 'content' => http_build_query(array('token' => $token)))));
$response = file_get_contents("{$virtualFactoryURL}/0.1/query", false, $context);
$data = json_decode($response)->data;
$success = $data->status;
if (!$success) {
$redirect = SkinTemplate::makeSpecialUrlSubpage('DockerAccess', "token", "id={$token}");
$this->getOutput()->redirect($redirect);
} else {
if (isset($_SERVER['HTTPS'])) {
$encrypted = 1;
$port = $data->host_ssl_port;
} else {
$encrypted = 0;
$port = $data->host_port;
}
$host = $data->host_name;
$password = $data->instance_password;
$path = $data->instance_path;
$url = "/extensions/DockerAccess/noVNC/vnc.html?resize=scale&autoconnect=1&host=" . $host . "&port=" . $port . "&password="******"&path=" . $path . "&encrypted=" . $encrypted;
$this->getOutput()->redirect($url);
}
}
if (!($par === "launch")) {
$wikitext = "Please select an image to launch from the follwing list:\n";
foreach ($virtualFactoryImages as $image => $readableName) {
$wikitext .= "* <span class=\"plainlinks\">[{{fullurl:{{FULLPAGENAME}}}}/launch?image={$image} {$readableName}]<span>\n";
}
$output->addWikiText($wikitext);
return;
}
# Check Image Parameter
$imageID = $request->getText('image');
if ($imageID === "") {
$wikitext = "No image specified";
$output->addWikiText($wikitext);
return;
}
$userID = $this->getUser()->getId();
if (!array_key_exists($imageID, $virtualFactoryImages)) {
$wikitext = "Image {$imageID} is not in the list of authorized images. Please see [[Special:DockerAccess]]";
$output->addWikiText($wikitext);
return;
}
$data = array("user" => $userID, "image" => $imageID, "enable_cuda" => 1);
$context = stream_context_create(array('http' => array('header' => array("Authorization: Basic " . base64_encode("{$virtualFactoryUser}:{$virtualFactoryPass}"), "Content-type: application/x-www-form-urlencoded"), 'method' => 'POST', 'content' => http_build_query($data))));
$response = file_get_contents("{$virtualFactoryURL}/0.1/create", false, $context);
$token = json_decode($response)->data->token;
$success = 0;
$data = 0;
$redirect = SkinTemplate::makeSpecialUrlSubpage('DockerAccess', 'token', "id={$token}");
$this->getOutput()->redirect($redirect);
// $success_text = "/vnc.html";
// # If $response starts with $success_text...
// if (substr($response, 0, strlen($success_text)) === $success_text) {
// $wikitext = "Your VNC virtual instance is ready. To access it, [".$virtualFactoryURL.$response.' please click here].';
// } else {
// $wikitext = "'''Internal Error!'''\n\nServer replied:\n ".$response."\nIf you believe it is a bug, please report it to [mailto:sysadmin@wikitolearn.org sysadmin@wikitolearn.org].";
// }
//
// $output->addWikiText( $wikitext );
}
