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grade.php
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72 lines (59 loc) · 2.09 KB
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<?php
require_once "setup.php";
// Load up the LTI Support code
require_once 'util/lti_util.php';
session_start();
// Initialize, no secret, pull from session, and do not redirect
$context = new BLTI(false, true, false);
if ( ! $context->valid ) {
error_log("No context in session");
echo json_encode(Array("status" => "failure", "detail" => "No context in session"));
return;
}
$endpoint = $context->getOutcomeService();
if ( $endpoint === false ) {
error_log("No grade service available");
echo json_encode(Array("status" => "failure", "detail" => "No grade service available"));
return;
}
$sourcedid = $context->getOutcomeSourceDID();
if ( $sourcedid === false ) {
error_log("No grade entry available");
echo json_encode(Array("status" => "failure", "detail" => "No grade entry available"));
return;
}
if ( isset($_SESSION['oauth_consumer_key']) && isset($_SESSION['oauth_consumer_secret']) ) {
$oauth_consumer_key = $_SESSION['oauth_consumer_key'];
$oauth_consumer_secret = $_SESSION['oauth_consumer_secret'];
} else {
error_log("No key/secret in session");
echo json_encode(Array("status" => "failure", "detail" => "No key/secret in session"));
return;
}
$method="POST";
$content_type = "application/xml";
$sourcedid = htmlspecialchars($sourcedid);
$operation = 'replaceResultRequest';
$postBody = str_replace(
array('SOURCEDID', 'GRADE', 'OPERATION','MESSAGE'),
array($sourcedid, '1.0', 'replaceResultRequest', uniqid()),
getPOXGradeRequest());
$response = sendOAuthBodyPOST($method, $endpoint, $oauth_consumer_key, $oauth_consumer_secret, $content_type, $postBody);
global $LastOAuthBodyBaseString;
$lbs = $LastOAuthBodyBaseString;
try {
$retval = parseResponse($response);
error_log(json_encode($retval));
} catch(Exception $e) {
$retval = $e->getMessage();
error_log("Failure - ".$retval);
}
$debug = Array("endpoint" => $endpoint,
"retval" => $retval,
"wesent" => $postBody,
"wegot" => $response,
"base" => $lbs);
$retval = Array("status" => "success");
if ( isset($_GET["debug"]) ) $retval['debug'] = $debug;
echo json_encode($retval);
?>