// TODO MDL-46023 Replace this code with a call to the new library. $origentity = libxml_disable_entity_loader(true); $xml = simplexml_load_string($rawbody); if (!$xml) { libxml_disable_entity_loader($origentity); throw new Exception('Invalid XML content'); } libxml_disable_entity_loader($origentity); $body = $xml->imsx_POXBody; foreach ($body->children() as $child) { $messagetype = $child->getName(); } switch ($messagetype) { case 'replaceResultRequest': try { $parsed = lti_parse_grade_replace_message($xml); } catch (Exception $e) { $responsexml = lti_get_response_xml('failure', $e->getMessage(), uniqid(), 'replaceResultResponse'); echo $responsexml->asXML(); break; } $ltiinstance = $DB->get_record('lti', array('id' => $parsed->instanceid)); if (!lti_accepts_grades($ltiinstance)) { throw new Exception('Tool does not accept grades'); } lti_verify_sourcedid($ltiinstance, $parsed); lti_set_session_user($parsed->userid); $gradestatus = lti_update_grade($ltiinstance, $parsed->userid, $parsed->launchid, $parsed->gradeval); $responsexml = lti_get_response_xml($gradestatus ? 'success' : 'failure', 'Grade replace response', $parsed->messageid, 'replaceResultResponse'); echo $responsexml->asXML(); break;
/** * This test has been disabled because, since its creation, * the sourceId generation has changed and surely this is outdated. * Some day these should be replaced by proper tests, but until then * conformance tests say this is working. MDL-30347 */ public function disabled_test_parse_grade_replace_message() { $message = ' <imsx_POXEnvelopeRequest xmlns = "http://www.imsglobal.org/services/ltiv1p1/xsd/imsoms_v1p0"> <imsx_POXHeader> <imsx_POXRequestHeaderInfo> <imsx_version>V1.0</imsx_version> <imsx_messageIdentifier>999998123</imsx_messageIdentifier> </imsx_POXRequestHeaderInfo> </imsx_POXHeader> <imsx_POXBody> <replaceResultRequest> <resultRecord> <sourcedGUID> <sourcedId>{"data":{"instanceid":"2","userid":"2"},"hash":"0b5078feab59b9938c333ceaae21d8e003a7b295e43cdf55338445254421076b"}</sourcedId> </sourcedGUID> <result> <resultScore> <language>en-us</language> <textString>0.92</textString> </resultScore> </result> </resultRecord> </replaceResultRequest> </imsx_POXBody> </imsx_POXEnvelopeRequest> '; $parsed = lti_parse_grade_replace_message(new SimpleXMLElement($message)); $this->assertEquals($parsed->userid, '2'); $this->assertEquals($parsed->instanceid, '2'); $this->assertEquals($parsed->sourcedidhash, '0b5078feab59b9938c333ceaae21d8e003a7b295e43cdf55338445254421076b'); $ltiinstance = (object) array('servicesalt' => '4e5fcc06de1d58.44963230'); lti_verify_sourcedid($ltiinstance, $parsed); }