/**
* Signs the petition to launch the external tool using OAuth
*
* @param $oldparms Parameters to be passed for signing
* @param $endpoint url of the external tool
* @param $method Method for sending the parameters (e.g. POST)
* @param $oauth_consumoer_key Key
* @param $oauth_consumoer_secret Secret
* @param $submittext The text for the submit button
* @param $orgid LMS name
* @param $orgdesc LMS key
*/
function lti_sign_parameters($oldparms, $endpoint, $method, $oauthconsumerkey, $oauthconsumersecret) {
//global $lastbasestring;
$parms = $oldparms;
$testtoken = '';
// TODO: Switch to core oauthlib once implemented - MDL-30149
$hmacmethod = new lti\OAuthSignatureMethod_HMAC_SHA1();
$testconsumer = new lti\OAuthConsumer($oauthconsumerkey, $oauthconsumersecret, null);
$accreq = lti\OAuthRequest::from_consumer_and_token($testconsumer, $testtoken, $method, $endpoint, $parms);
$accreq->sign_request($hmacmethod, $testconsumer, $testtoken);
// Pass this back up "out of band" for debugging
//$lastbasestring = $accreq->get_signature_base_string();
$newparms = $accreq->get_parameters();
return $newparms;
}
/**
* Signs the petition to launch the external tool using OAuth
*
* @param $oldparms Parameters to be passed for signing
* @param $endpoint url of the external tool
* @param $method Method for sending the parameters (e.g. POST)
* @param $oauth_consumoer_key Key
* @param $oauth_consumoer_secret Secret
*/
function lti_sign_parameters($oldparms, $endpoint, $method, $oauthconsumerkey, $oauthconsumersecret)
{
$parms = $oldparms;
$testtoken = '';
// TODO: Switch to core oauthlib once implemented - MDL-30149.
$hmacmethod = new lti\OAuthSignatureMethod_HMAC_SHA1();
$testconsumer = new lti\OAuthConsumer($oauthconsumerkey, $oauthconsumersecret, null);
$accreq = lti\OAuthRequest::from_consumer_and_token($testconsumer, $testtoken, $method, $endpoint, $parms);
$accreq->sign_request($hmacmethod, $testconsumer, $testtoken);
$newparms = $accreq->get_parameters();
return $newparms;
}
