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auto.php
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364 lines (337 loc) · 11.3 KB
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<?php
require_once "setup.php";
// Load up the LTI Support code
require_once 'util/lti_util.php';
session_start();
header('Content-Type: text/html; charset=utf-8');
function dump() {
global $last_base_string;
print "<pre>\n";
print "Raw POST Parameters:\n\n";
ksort($_POST);
foreach($_POST as $key => $value ) {
if (get_magic_quotes_gpc()) $value = stripslashes($value);
print htmlentities($key) . "=" . htmlentities($value) . " (".mb_detect_encoding($value).")\n";
}
print "</pre>\n";
echo($last_base_string);
}
// Why not?
$oauth_consumer_key = "12345";
$oauth_consumer_secret = "secret";
$referrer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : "";
if ( ! is_lti_request() ) {
// Initialize, no secret, pull from session, and do not redirect
$context = new BLTI(false, true, false);
if ( isset($_SESSION['oauth_consumer_key']) && isset($_SESSION['oauth_consumer_secret']) ) {
$oauth_consumer_key = $_SESSION['oauth_consumer_key'];
$oauth_consumer_secret = $_SESSION['oauth_consumer_secret'];
}
} else {
if ( isset($_POST['oauth_consumer_key']) ) {
$oauth_comsumer_key = $_POST['oauth_consumer_key'];
require_once 'keys.php';
if ( isset($LTI_KEYS[$oauth_consumer_key]) ) $oauth_consumer_secret = $LTI_KEYS[$oauth_consumer_key];
}
// Initialize, all secrets are 'secret', set session, and do not redirect
$context = new BLTI($oauth_consumer_secret, true, false);
if ( ! $context->valid ) {
echo("<h1>Error: Unable to establish LTI session</h1>");
echo($context->message);
dump();
error_log("Error: Unable to establish LTI session");
return;
}
error_log("Logged in");
$_SESSION['oauth_consumer_secret'] = $oauth_consumer_secret;
$_SESSION['oauth_consumer_key'] = $oauth_consumer_key;
}
?>
<!DOCTYPE html>
<html>
<head>
<?php
require_once "header.php";
require_once "exercises.php";
$QTEXT = 'Please write a Python program to open the file
"mbox-short.txt" and count the number of lines in the file and
match the desired output below:';
$DESIRED = '1910 Lines';
$CODE = 'fh = open("mbox-short.txt", "r")
count = 0
for line in fh:
count = count + 1
print count,"Lines"
';
$CHECKS = false;
$ex = "count";
$EX = true;
if ( isset($_REQUEST["exercise"]) ) {
$ex = $_REQUEST["exercise"];
$EX = false;
if ( isset($EXERCISES[$ex]) ) $EX = $EXERCISES[$ex];
if ( $EX !== false ) {
$CODE = '';
$QTEXT = $EX["qtext"];
$DESIRED = $EX["desired"];
if ( isset($EX["code"]) ) $CODE = $EX["code"];
if ( isset($EX["checks"]) ) $CHECKS = json_encode($EX["checks"]);
}
}
$DESIRED = rtrim($DESIRED);
if ( $EX === false ) {
echo("</head><body><h1>Error, exercise ".htmlentities($ex).
" is not available. Please see your instructor.</h1></body>");
return;
}
?>
<style>
body { font-family: sans-serif; }
</style>
<script src="dist/skulpt.js?v=1" type="text/javascript"></script>
<script src="dist/builtin.js?v=1" type="text/javascript"></script>
<script src="dist/jquery.min.js?v=1" type="text/javascript"></script>
<script type="text/javascript">
function builtinRead(x)
{
if (Sk.builtinFiles === undefined || Sk.builtinFiles["files"][x] === undefined)
throw "File not found: '" + x + "'";
return Sk.builtinFiles["files"][x];
}
function makefilediv(name,text) {
var msgContainer = document.createElement('div');
msgContainer.setAttribute('id', name); //set id
msgContainer.setAttribute('style', 'display:none'); //set CSS
text.replace("&","&");
text.replace("<","<");
var msg2 = document.createTextNode(text);
msgContainer.appendChild(msg2);
document.body.appendChild(msgContainer);
}
// May want this under the control of the exercises.
// Instead of always retrieving them
$(document).ready( function() {
$.get('romeo.txt', function(data) {
makefilediv('romeo.txt', data);
});
$.get('words.txt', function(data) {
makefilediv('words.txt', data);
});
$.get('mbox-short.txt', function(data) {
makefilediv('mbox-short.txt', data);
});
});
<?php
if ( $CHECKS === false ) {
echo(" window.CHECKS = false;\n");
} else {
echo(" window.CHECKS = $CHECKS;\n");
}
?>
window.GLOBAL_ERROR = true;
window.GLOBAL_TIMER = false;
if (typeof console == "undefined") {
console = {log: function() {}};
}
function hideall() {
$("#check").hide();
$("#grade").hide();
$("#redo").hide();
$("#gradegood").hide();
$("#gradebad").hide();
}
function finalcheck() {
if ( window.GLOBAL_TIMER != false ) window.clearInterval(window.GLOBAL_TIMER);
window.GLOBAL_TIMER = false;
hideall();
$("#spinner").hide();
var prog = document.getElementById("code").value;
for ( var key in window.CHECKS ) {
// The key can be inverted if the first character is !
if ( key.length > 1 && key.substring(0,1) == '!' ) {
xkey = key.substring(1);
if ( prog.indexOf(xkey) < 0 ) continue;
} else {
if ( prog.indexOf(key) >= 0 ) continue;
}
alert(window.CHECKS[key]);
window.GLOBAL_ERROR = true;
break;
}
if ( window.GLOBAL_ERROR ) {
$("#redo").show();
} else {
$("#check").show();
$("#grade").show();
}
}
function outf(text)
{
// console.log('Text='+text);
var output = document.getElementById("output");
oldtext = output.innerHTML;
oldtext = oldtext.replace(/<span.*span>/g,"")
text = text.replace(/</g, '<');
newtext = oldtext + text;
output.innerHTML = newtext;
var desired = document.getElementById("desired").innerHTML;
deslines = desired.split('\n');
newlines = newtext.split('\n');
newoutput = '';
err = false;
if ( window.GLOBAL_TIMER != false ) window.clearInterval(window.GLOBAL_TIMER);
window.GLOBAL_TIMER = setTimeout("finalcheck();",1500);
for ( i=0, newlength = newlines.length; i < newlength; i++ ) {
if ( i > 0 ) newoutput += '\n';
nl = newlines[i];
newoutput += nl;
if ( i >= deslines.length ) {
if ( !err ) newoutput += '<span style="color:red"> ← Extra output</span>';
err = true;
continue;
}
dl = deslines[i];
if ( dl != nl ) {
if ( !err ) newoutput += '<span style="color:red"> ← Mismatch</span>';
err = true;
continue;
}
}
if ( !err && deslines.length > newlines.length ) {
newoutput += '<span style="color:red"> ← Missing output</span>';
}
window.GLOBAL_ERROR = err;
console.log(err);
output.innerHTML = newoutput;
}
function runit()
{
hideall();
var prog = document.getElementById("code").value;
if ( prog.length < 1 ) {
alert("You do not have any Python code");
return false;
}
$("#spinner").show();
var output = document.getElementById("output");
output.innerHTML = '';
if ( window.GLOBAL_TIMER != false ) window.clearInterval(window.GLOBAL_TIMER);
window.GLOBAL_TIMER = setTimeout("finalcheck();",2500);
Sk.configure({output:outf, read: builtinRead});
try {
var module = Sk.importMainWithBody("<stdin>", false, prog);
} catch (e) {
if ( window.GLOBAL_TIMER != false ) window.clearInterval(window.GLOBAL_TIMER);
window.GLOBAL_TIMER = false;
window.GLOBAL_ERROR = true;
hideall();
$("#spinner").hide();
$("#redo").show();
alert(e);
}
return false;
}
function gradeit() {
$("#check").hide();
$("#spinner").show();
$.getJSON('<? echo $context->addSession('grade.php'); ?>', function(data) {
console.log(data);
$("#spinner").hide();
if ( data["status"] == "success") {
$("#gradegood").show();
} else {
$("#gradebad").show();
}
});
return false;
}
$(document).ready( function() {
$doc = $(window).height();
$fh = $("#footer").height();
$it = $('#inputs').offset().top;
$ct = $('#code').offset().top;
$qh = $ct - $it;
$avail = $doc - $ct - $fh;
if ( $avail < 400 ) $avail = 400;
if ( $avail > 900 ) $avail = 900;
$ch = $avail * 0.5;
$("#inputs").height($qh+$ch);
$("#outputs").height($avail*0.5);
$('#code').height($ch -15);
} );
</script>
<style>
pre {
white-space: -moz-pre-wrap; /* Mozilla, supported since 1999 */
white-space: -pre-wrap; /* Opera 4 - 6 */
white-space: -o-pre-wrap; /* Opera 7 */
white-space: pre-wrap; /* CSS3 */
word-wrap: break-word; /* IE 5.5+ */
}
</style>
</head>
<body>
<div style="padding: 0px 15px 0px 15px;">
<div id="inputs" style="height:300px;">
<div class="well" style="background-color: #EEE8AA">
<?php echo($QTEXT); ?>
</div>
<form style="height:100%;">
<button onclick="runit()" type="button">Check Code</button>
<?php
if ( $context->valid && $context->getOutcomeService() !== false ) {
if ( $context->isInstructor() ){
?>
<span id="grade" style="display:none">To test grading launch as a Learner.</span>
<?php } else { ?>
<button id="grade" onclick="gradeit()" type="button" style="display:none">Submit Grade</button>
<?php } } ?>
<?php
if ( ! $context->valid && isset($_GET["done"]) ) {
$url = $_GET['done'];
echo("<button onclick=\"window.location='$url';\" type=\"button\">Done</button>\n");
}
?>
<img id="spinner" src="dist/spinner.gif" style="vertical-align: middle;display: none">
<span id="redo" style="color:red;display:none"> Please Correct your code and re-run. </span>
<span id="check" style="color:green;display:none"> Congratulations the exercise is complete. </span>
<span id="gradegood" style="color:green;display:none"> Grade Updated. </span>
<span id="gradebad" style="color:red;display:none"> Error storing grade. </span>
<br/>
Enter/Edit Your Python Code Here:<br/>
<textarea id="code" cols="80" style="font-family:Courier,fixed;font-size:16px;color:blue;width:99%;">
<?php echo($CODE); ?>
</textarea>
</form>
</div>
<div id="outputs" style="height:300px; min-height:200px;">
<div id="left" style="padding:8px;width:47%;float:right;height:100%;overflow:scroll;border:1px solid black">
<b>Desired Output</b>
<pre id="desired" style="height:100%"><?php echo($DESIRED); echo("\n"); ?>
</pre>
</div>
<div id="right" style="padding: 8px;width:47%;height:100%;float:left;overflow:scroll;border:1px solid black">
<b>Your Output</b>
<pre id="output" style="height:100%;"></pre>
</div>
</div>
<div id="footer">
<br clear="all"/>
<center>
This autograder is based on <a href="http://skulpt.org/" target="_new">Skulpt</a>.
</center>
</div>
<?php
print "<!--\n";
print "Context Information:\n\n";
print $context->dump();
print "\nSESSION Parameters:\n\n";
ksort($_SESSION);
foreach($_SESSION as $key => $value ) {
if (get_magic_quotes_gpc()) $value = stripslashes($value);
if ( is_string($value) ) print "$key=$value (".mb_detect_encoding($value).")\n";
}
print "-->";
?>
</div>
</body>