/**
* Class constructor.
*
* @param DataConnector $dataConnector Data connector
* @param string $id Tool Proxy ID (optional, default is null)
*/
public function __construct($dataConnector, $id = null)
{
$this->initialize();
$this->dataConnector = $dataConnector;
if (!empty($id)) {
$this->load($id);
} else {
$this->recordId = DataConnector::getRandomString(32);
}
}
/**
* Save the resource link share key to the database.
*
* @return boolean True if the share key was successfully saved
*/
public function save()
{
if (empty($this->life)) {
$this->life = self::DEFAULT_SHARE_KEY_LIFE;
} else {
$this->life = max(min($this->life, self::MAX_SHARE_KEY_LIFE), 0);
}
$this->expires = time() + $this->life * 60 * 60;
if (empty($this->id)) {
if (empty($this->length) || !is_numeric($this->length)) {
$this->length = self::MAX_SHARE_KEY_LENGTH;
} else {
$this->length = max(min($this->length, self::MAX_SHARE_KEY_LENGTH), self::MIN_SHARE_KEY_LENGTH);
}
$this->id = DataConnector::getRandomString($this->length);
}
return $this->dataConnector->saveResourceLinkShareKey($this);
}
/**
* Send the tool proxy to the Tool Consumer
*
* @return boolean True if the tool proxy was accepted
*/
public function doToolProxyService()
{
// Create tool proxy
$toolProxyService = $this->findService('application/vnd.ims.lti.v2.toolproxy+json', array('POST'));
$secret = DataConnector::getRandomString(12);
$toolProxy = new MediaType\ToolProxy($this, $toolProxyService, $secret);
$http = $this->consumer->doServiceRequest($toolProxyService, 'POST', 'application/vnd.ims.lti.v2.toolproxy+json', json_encode($toolProxy));
$ok = $http->ok && $http->status == 201 && isset($http->responseJson->tool_proxy_guid) && strlen($http->responseJson->tool_proxy_guid) > 0;
if ($ok) {
$this->consumer->setKey($http->responseJson->tool_proxy_guid);
$this->consumer->secret = $toolProxy->security_contract->shared_secret;
$this->consumer->toolProxy = json_encode($toolProxy);
$this->consumer->save();
}
return $ok;
}
/**
* Class constructor.
*
* @param string $key Consumer key
* @param DataConnector $dataConnector A data connector object
* @param boolean $autoEnable true if the tool consumers is to be enabled automatically (optional, default is false)
*/
public function __construct($key = null, $dataConnector = null, $autoEnable = false)
{
$this->initialize();
if (empty($dataConnector)) {
$dataConnector = DataConnector::getDataConnector();
}
$this->dataConnector = $dataConnector;
if (!empty($key)) {
$this->load($key, $autoEnable);
} else {
$this->secret = DataConnector::getRandomString(32);
}
}
