/**
* getLaunchContent - Get the launch data for am LTI ContentItem launch
*/
public static function getLaunchContent($endpoint, $debug = false)
{
$info = LTIX::getKeySecretForLaunch($endpoint);
if ($info === false) {
return '<p style="color:red">Unable to load key/secret for ' . htmlentities($endpoint) . "</p>\n";
}
$key = $info['key'];
$secret = $info['secret'];
$parms = LTIX::getLaunchData();
$parms = LTI::signParameters($parms, $endpoint, "POST", $key, $secret, "Button");
$content = LTI::postLaunchHTML($parms, $endpoint, false);
return $content;
}