public function getContentPackage()
{
// build the manifest
$manifest = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?>
<manifest
xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"
xmlns:imsmd="' . NS_IMSMD . '"
xmlns:imsqti="' . NS_IMSQTI . '"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p4.xsd http://www.imsglobal.org/xsd/imsqti_v2p1 http://www.imsglobal.org/xsd/imsqti_v2p1.xsd"
/>
');
$manifest->addAttribute("identifier", $this->getMID());
// organizations element
$manifest->addChild("organizations");
// resources element
$rs = $manifest->addChild("resources");
$r = $rs->addChild("resource");
$r->addAttribute("identifier", $this->getQTIID());
$r->addAttribute("type", "imsqti_item_xmlv2p1");
$r->addAttribute("href", "{$this->getTitleFS()}.xml");
$md = $r->addChild("metadata");
// resource qti metadata
$qmd = $md->addChild("qtiMetadata", null, NS_IMSQTI);
$qmd->addChild("timeDependent", "false", NS_IMSQTI);
foreach ($this->interactionTypes() as $it) {
$qmd->addChild("interactionType", $it, NS_IMSQTI);
}
$qmd->addChild("feedbackType", is_null($this->data("feedback")) ? "none" : "nonadaptive", NS_IMSQTI);
$qmd->addChild("solutionAvailable", "true", NS_IMSQTI);
// resource LOM metadata
$lom = $md->addChild("lom", null, NS_IMSMD);
$g = $lom->addChild("general", null, NS_IMSMD);
$g->addChild("title", null, NS_IMSMD)->addChild("langstring", $this->data("data"), NS_IMSMD);
if (!is_null($this->data("description"))) {
$g->addChild("description", null, NS_IMSMD)->addChild("langstring", $this->data("description"), NS_IMSMD);
}
foreach ($this->getKeywords() as $keyword) {
$g->addChild("keyword", null, NS_IMSMD)->addChild("langstring", $keyword, NS_IMSMD);
}
// file element
$r->addChild("file")->addAttribute("href", "{$this->getTitleFS()}.xml");
// make temporary zip archive
$zip = new ZipArchive();
$filename = "/tmp/" . uniqid("zip");
if ($zip->open($filename, ZIPARCHIVE::CREATE) !== true) {
servererror("couldn't make zip file");
}
$zip->addFromString("imsmanifest.xml", simplexml_indented_string($manifest));
$zip->addFromString("{$this->getTitleFS()}.xml", $this->getQTIIndentedString());
$zip->close();
// slurp contents
$zipcontents = file_get_contents($filename);
// delete the temporary zip archive
unlink($filename);
// return the zip contents as a binary string
return $zipcontents;
}
public function postLogic()
{
// get login details if we don't already have them
if (!$this->haveLogin()) {
$this->postLogin();
return;
}
// clear errors
$this->errors = array();
// check input
if (!isset($_POST["collection"])) {
$this->errors[] = "No collection specified";
$this->getLogic();
return;
}
// get content package
$zipcontents = $this->ai->getContentPackage();
// build EP3 XML
$ep3 = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?>
<eprints>
<eprint xmlns="http://eprints.org/ep2/data/2.0"/>
</eprints>
');
$ep3->eprint->addChild("type", "share");
$ep3->eprint->addChild("metadata_visibility", "show");
$ep3->eprint->addChild("title", $this->ai->data("title"));
$ep3->eprint->addChild("abstract", $this->ai->data("description"));
if (strpos($_POST["collection"], "/sword-app/deposit/archive") !== false) {
$ep3->eprint->addChild("visible", "world_public");
//for Edshare <2
$ep3->eprint->addChild("viewing_perms", "world_public");
//for Edshare 2
}
$keywords = $this->ai->getKeywords();
if (!empty($keywords)) {
$kw = $ep3->eprint->addChild("keywords");
foreach ($keywords as $keyword) {
$kw->addChild("item", $keyword);
}
}
$doc = $ep3->eprint->addChild("documents")->addChild("document");
$doc->addChild("format", "application/zip");
$doc->addChild("security", "public");
$doc->addChild("main", $this->ai->getTitleFS() . ".zip");
$file = $doc->addChild("files")->addChild("file");
$file->addChild("filename", $this->ai->getTitleFS() . ".zip");
$file->addChild("filesize", strlen($zipcontents));
$file->addChild("data", base64_encode($zipcontents))->addAttribute("encoding", "base64");
$curl = curl_init();
curl_setopt_array($curl, array(CURLOPT_URL => $_POST["collection"], CURLOPT_POST => true, CURLOPT_HEADER => true, CURLOPT_USERPWD => $_SESSION[SESSION_PREFIX . "diea_username"] . ":" . $_SESSION[SESSION_PREFIX . "diea_password"], CURLOPT_RETURNTRANSFER => true, CURLOPT_POSTFIELDS => simplexml_indented_string($ep3), CURLOPT_HTTPHEADER => array("Content-Type: application/xml", "X-Packaging: http://eprints.org/ep2/data/2.0", "Expect: ")));
$response = curl_exec($curl);
$responseinfo = curl_getinfo($curl);
$code = $responseinfo["http_code"];
$headers = response_headers($response);
$body = response_body($response);
switch ($code) {
case 401:
unset($_SESSION[SESSION_PREFIX . "diea_username"], $_SESSION[SESSION_PREFIX . "diea_password"]);
$this->errors[] = "There was an authorization problem" . (isset($headers["X-Error-Code"]) ? ": " . $headers["X-Error-Code"] : "");
$this->getLogic();
return;
case 201:
// parse XML response
$xml = simplexml_load_string($body);
$eprintid = (int) $xml->id;
$treatment = null;
foreach ($xml->children("http://purl.org/net/sword/") as $child) {
if ($child->getName() == "treatment") {
$treatment = (string) $child;
break;
}
}
// show "deposited" message and give link to the share
$GLOBALS["title"] = "Item deposited in Edshare";
include "htmlheader.php";
?>
<h2>Item deposited in Edshare</h2>
<?php
if (!is_null($treatment)) {
?>
<p>Edshare returned the following information:</p>
<p><blockquote><?php
echo htmlspecialchars($treatment);
?>
</blockquote></p>
<?php
}
?>
<?php
if (strpos($_POST["collection"], "/sword-app/deposit/archive") === false) {
?>
<p>
The item is not yet live in the repository. As the owner
you can still
<a href="http://<?php
echo DIEA_EDSHARE_HOST;
?>
/cgi/users/home?screen=EPrint::Summary&eprintid=<?php
echo $eprintid;
?>
">view it</a>
or
<a href="http://<?php
echo DIEA_EDSHARE_HOST;
?>
/cgi/users/home?screen=EPrint::EdShare::Edit&eprintid=<?php
echo $eprintid;
?>
">edit it</a>
(including setting it live) in Edshare.
</p>
<p>
Once the item is live it'll be visible to the world at the following address.
<br>
<tt>http://<?php
echo DIEA_EDSHARE_HOST;
?>
/<?php
echo $eprintid;
?>
</tt>
</p>
<?php
} else {
?>
<p>
The item is now live in Edshare and you and others can
view it at the following address.
<br>
<tt><a href="http://<?php
echo DIEA_EDSHARE_HOST;
?>
/<?php
echo $eprintid;
?>
">http://<?php
echo DIEA_EDSHARE_HOST;
?>
/<?php
echo $eprintid;
?>
</a></tt>
</p>
<?php
}
?>
<?php
include "htmlfooter.php";
break;
default:
$this->errors[] = "Unexpected response: " . $responseinfo["http_code"] . ". Response headers follow:";
foreach ($headers as $k => $v) {
$this->errors[] = "{$k}: {$v}";
}
$this->getLogic();
return;
}
}
function deposititem()
{
$args = func_get_args();
// collect data
switch (count($args)) {
case 1:
if (!$args[0] instanceof QTIAssessmentItem) {
throw new Exception("with one argument, expected QTIAssessmentItem");
}
$identifier = $args[0]->getQTIID();
$title = $args[0]->data("title");
$description = $args[0]->data("description");
$xml = $args[0]->getQTIIndentedString();
$keywords = $args[0]->getKeywords();
break;
case 2:
if ($args[0] instanceof SimpleXMLElement) {
$sxml = $args[0];
$xml = simplexml_indented_string($args[0]);
} else {
if (is_string($args[0])) {
$sxml = simplexml_load_string($args[0]);
$xml = $args[0];
} else {
throw new Exception("With two arguments expected SimpleXML element or XML string as first");
}
}
$identifier = (string) $sxml["identifier"];
$title = (string) $sxml["title"];
if (!is_array($args[1])) {
throw new Exception("With two arguments expected metadata array as second");
}
$description = isset($args[1]["description"]) ? $args[1]["description"] : "";
$keywords = isset($args[1]["keywords"]) ? $args[1]["keywords"] : array();
break;
default:
throw new Exception("expected one or two arguments");
}
db()->exec("BEGIN TRANSACTION;");
// update or insert
if (itemexists($identifier)) {
// update item
db()->exec("\n\t\t\tDELETE FROM keywords WHERE item='" . db()->escapeString($identifier) . "';\n\t\t\tUPDATE items SET\n\t\t\t\tmodified=" . time() . ",\n\t\t\t\ttitle='" . db()->escapeString($title) . "',\n\t\t\t\tdescription='" . db()->escapeString($description) . "',\n\t\t\t\txml='" . db()->escapeString($xml) . "'\n\t\t\tWHERE identifier='" . db()->escapeString($identifier) . "';\n\t\t");
// add a comment to the item to show it has been updated
db()->exec("\n\t\t\tINSERT INTO comments VALUES (\n\t\t\t\t'" . db()->escapeString(username()) . "',\n\t\t\t\t'" . db()->escapeString($identifier) . "',\n\t\t\t\t'" . db()->escapeString("Automatic comment: this item has been updated") . "',\n\t\t\t\t" . time() . "\n\t\t\t);\n\t\t");
} else {
// new item -- insert it
db()->exec("\n\t\t\tINSERT INTO items VALUES (\n\t\t\t\t'" . db()->escapeString($identifier) . "',\n\t\t\t\t" . time() . ",\n\t\t\t\tNULL,\n\t\t\t\t'" . db()->escapeString(username()) . "',\n\t\t\t\t'" . db()->escapeString($title) . "',\n\t\t\t\t'" . db()->escapeString($description) . "',\n\t\t\t\t'" . db()->escapeString($xml) . "'\n\t\t\t);\n\t\t");
}
// add keywords
foreach ($keywords as $keyword) {
db()->exec("\n\t\t\tINSERT INTO keywords VALUES (\n\t\t\t\t'" . db()->escapeString($identifier) . "',\n\t\t\t\t'" . db()->escapeString($keyword) . "'\n\t\t\t);\n\t\t");
}
// commit changes
db()->exec("COMMIT;");
}
<ul class="pagination centre">
<li><a href="<?php
echo SITEROOT_WEB;
?>
?page=playItem&action=startover">Start over</a></li>
</ul>
<?php
if ($response !== false) {
?>
<h3>Score</h3>
<div class="score">
<?php
$score = "-";
if (isset($_POST["submit"])) {
echo "<!-- Response and outcome variables XML:\n" . simplexml_indented_string($xml->vars) . "\n-->\n";
foreach ($xml->vars->OutcomeVars->param as $param) {
if ((string) $param["identifier"] == "SCORE") {
$score = (string) $param;
break;
}
}
}
echo $score;
?>
</div>
<h3>About this item</h3>
<ul id="aboutlist">
<li class="hidden">Identifier: <span id="qtiid"><?php
echo htmlspecialchars($item["identifier"]);
