public function getLogic()
{
$ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
// download the content package
header("Content-Type: application/zip");
header("Content-Disposition: attachment; filename=\"{$ai->getTitleFS()}.zip\"");
echo $ai->getContentPackage();
}
public function getLogic()
{
$ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
// download the QTI
//header("Content-Type: application/qti+xml"); //proposed Mime type -- http://www.imsglobal.org/question/ims-qti-archives/2003-January/000502.html
header("Content-Type: application/xml");
header("Content-Disposition: attachment; filename=\"{$ai->getTitleFS()}.xml\"");
echo $ai->getQTIIndentedString();
}
public function postLogic()
{
$ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
// clone the item
$ai = clone $ai;
// update the modified time and set new identifiers
$ai->setQTIID(null);
$ai->setMID();
$ai->sessionStore();
// take the user to the main menu with the cloned item highlighted
redirect(SITEROOT_WEB . "#item_" . $ai->getQTIID());
}
public function beforeLogic()
{
$this->ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
}
public function beforeLogic()
{
$this->ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
$this->aititle = $this->ai->data("title");
}
<?php
/*
* Question Bank
*/
/*------------------------------------------------------------------------------
(c) 2010 JISC-funded EASiHE project, University of Southampton
Licensed under the Creative Commons 'Attribution non-commercial share alike'
licence -- see the LICENCE file for more details
------------------------------------------------------------------------------*/
requirelogin();
if (!isset($_REQUEST["qtiid"])) {
redirect("eqiat/");
}
$ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
if (!$ai) {
badrequest("No QTI found in session data for specified QTI ID");
}
if (!$ai->getQTI() || count($ai->getErrors())) {
badrequest("Specified QTI item is unfinished or has errors");
}
if (($exists = itemexists($ai->getQTIID())) && itemowner($ai->getQTIID()) != username()) {
badrequest("The item you are trying to deposit was already uploaded by a different user. You should clone it so it gets a new identifier and then try again.");
}
deposititem($ai);
// remove from session memory to remove from Eqiat view
$ai->sessionRemove();
$title = "Item " . ($exists ? "updated" : "deposited");
include "htmlheader.php";
?>
<h2><?php
public function getLogic()
{
$ai = QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]);
// upload the QTI to QTIEngine
// Doing this manually rather than using curl because until PHP 5.2.7
// (SVN r269951 to be specific) there is a bug
// (http://bugs.php.net/bug.php?id=46696) which breaks the feature
// needed to submit the uploaded file's mimetype. PHP 5.2.4 is still
// common at the time of writing (it's in Ubuntu 8.04 LTS) so we can't
// use curl here.
// Could build the multipart/form-data ourselves but that still leaves
// the issue that we don't want to follow the last redirect.
// boundary -- see
// http://www.w3.org/Protocols/rfc1341/7_2_Multipart.html
while (true) {
$boundary = "----------------------------" . uniqid();
if (strpos($ai->getQTIIndentedString(), $boundary) === false) {
break;
}
}
// request
$request = "--{$boundary}\r\n";
$request .= "Content-Disposition: form-data; name=\"uploadedContent\"; filename=\"{$ai->getTitleFS()}.xml\"\r\n";
$request .= "Content-Type: application/xml\r\n";
$request .= "\r\n";
$request .= $ai->getQTIIndentedString();
$request .= "\r\n--{$boundary}--\r\n\r\n";
// headers
$reqheader = array("Host" => QTIENGINE_HOST, "Accept" => "*/*", "Content-Length" => strlen($request), "Content-Type" => "multipart/form-data; boundary={$boundary}");
$url = "/application/upload";
$reqaction = "POST {$url} HTTP/1.1";
// make requests until we're redirected to the preview page
$error = null;
while (true) {
// open socket
$sock = fsockopen(QTIENGINE_HOST, 80, $errno, $errstr, 30);
if (!$sock) {
servererror("Couldn't connect to QTIEngine (" . QTIENGINE_HOST . ")");
}
// send data
$reqheaderstrings = array();
foreach ($reqheader as $key => $value) {
$reqheaderstrings[] = "{$key}: {$value}";
}
fputs($sock, $reqaction . "\r\n" . implode("\r\n", $reqheaderstrings) . "\r\n\r\n" . $request);
fflush($sock);
// receive headers
$header = array();
$httpcode = null;
while (!feof($sock) && ($line = fgets($sock)) != "\r\n") {
if (is_null($httpcode) && preg_match('%^HTTP/[^\\s]*\\s+\\d+%', $line)) {
$httpcode = preg_replace('%^HTTP/[^\\s]*\\s+(\\d+).*$%', '\\1', $line);
} else {
$parts = explode(":", $line, 2);
$header[trim($parts[0])] = trim($parts[1]);
}
}
// close the socket
fclose($sock);
// check HTTP response code is a redirection
if ($httpcode != 301 && $httpcode != 302 || !array_key_exists("Location", $header)) {
$error = "Didn't get a redirection to the QTIEngine preview page. Last page was {$url}";
break;
}
// check its URL is valid
$urlparts = parse_url($header["Location"]);
if (!isset($urlparts)) {
$error = "Hit a malformed Location header pointing to '" . $header["Location"] . "'";
break;
}
// stop if we've got to the preview page
if (preg_match('%^/item/play/0;%', $urlparts["path"])) {
break;
}
// redirect
$url = $urlparts["path"];
$reqaction = "GET {$url} HTTP/1.1";
// delete POST related headers
if (isset($reqheader["Content-Length"])) {
unset($reqheader["Content-Length"]);
unset($reqheader["Content-Type"]);
}
// clear the request data
$request = "";
// loop...
}
if (!is_null($error)) {
servererror($error);
}
redirect($header["Location"]);
}
*/
/*------------------------------------------------------------------------------
(c) 2010 JISC-funded EASiHE project, University of Southampton
Licensed under the Creative Commons 'Attribution non-commercial share alike'
licence -- see the LICENCE file for more details
------------------------------------------------------------------------------*/
if (!isset($_REQUEST["action"]) || empty($_REQUEST["action"])) {
badrequest("no action specified");
}
$classname = ucfirst($_REQUEST["action"]) . "Action";
if (!@class_exists($classname) || !is_subclass_of($classname, "ItemAction")) {
badrequest("Item action doesn't exist or not implemented");
}
$action = new $classname();
if (!isset($_REQUEST["qtiid"])) {
badrequest("No QTI ID specified");
}
if (!QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"])) {
badrequest("No QTI found in session data for specified QTI ID");
}
if (!$action->available(QTIAssessmentItem::fromQTIID($_REQUEST["qtiid"]))) {
badrequest(ucfirst($action->name()) . " action is not currently available for the specified QTI item");
}
$GLOBALS["title"] = $action->description();
$action->beforeLogic();
if (isset($_POST) && !empty($_POST)) {
$action->postLogic();
} else {
$action->getLogic();
}
$action->afterLogic();
