function submit_work($id, $on_behalf_of = null)
{
global $tool_content, $workPath, $uid, $course_id, $works_url, $langUploadSuccess, $langBack, $langUploadError, $langExerciseNotPermit, $langUnwantedFiletype, $langAutoJudgeEmptyFile, $langAutoJudgeInvalidFileType, $langAutoJudgeScenariosPassed, $course_code, $langOnBehalfOfUserComment, $langOnBehalfOfGroupComment, $course_id;
$connector = q(get_config('autojudge_connector'));
$connector = new $connector();
$langExt = $connector->getSupportedLanguages();
//checks for submission validity end here
if (isset($on_behalf_of)) {
$user_id = $on_behalf_of;
} else {
$user_id = $uid;
}
$submit_ok = FALSE;
// Default do not allow submission
if (isset($uid) && $uid) {
// check if logged-in
if ($GLOBALS['status'] == 10) {
// user is guest
$submit_ok = FALSE;
} else {
// user NOT guest
if (isset($_SESSION['courses']) && isset($_SESSION['courses'][$_SESSION['dbname']])) {
// user is registered to this lesson
$row = Database::get()->querySingle("SELECT deadline, late_submission, CAST(UNIX_TIMESTAMP(deadline)-UNIX_TIMESTAMP(NOW()) AS SIGNED) AS time\n FROM assignment WHERE id = ?d", $id);
if ($row->time < 0 && (int) $row->deadline && !$row->late_submission and !$on_behalf_of) {
$submit_ok = FALSE;
// after assignment deadline
} else {
$submit_ok = TRUE;
// before deadline
}
} else {
//user NOT registered to this lesson
$submit_ok = FALSE;
}
}
}
//checks for submission validity end here
$row = Database::get()->querySingle("SELECT title, group_submissions, auto_judge, auto_judge_scenarios, lang, max_grade FROM assignment WHERE course_id = ?d AND id = ?d", $course_id, $id);
$title = q($row->title);
$group_sub = $row->group_submissions;
$auto_judge = $row->auto_judge;
$auto_judge_scenarios = $auto_judge == true ? unserialize($row->auto_judge_scenarios) : null;
$lang = $row->lang;
$max_grade = $row->max_grade;
$nav[] = $works_url;
$nav[] = array('url' => "{$_SERVER['SCRIPT_NAME']}?id={$id}", 'name' => $title);
if ($submit_ok) {
if ($group_sub) {
$group_id = isset($_POST['group_id']) ? intval($_POST['group_id']) : -1;
$gids = user_group_info($on_behalf_of ? null : $user_id, $course_id);
$local_name = isset($gids[$group_id]) ? greek_to_latin($gids[$group_id]) : '';
} else {
$group_id = 0;
$local_name = uid_to_name($user_id);
$am = Database::get()->querySingle("SELECT am FROM user WHERE id = ?d", $user_id)->am;
if (!empty($am)) {
$local_name .= $am;
}
$local_name = greek_to_latin($local_name);
}
$local_name = replace_dangerous_char($local_name);
if (isset($on_behalf_of) and (!isset($_FILES) or !$_FILES['userfile']['size'])) {
$_FILES['userfile']['name'] = '';
$_FILES['userfile']['tmp_name'] = '';
$no_files = true;
} else {
$no_files = false;
}
validateUploadedFile($_FILES['userfile']['name'], 2);
if (preg_match('/\\.(ade|adp|bas|bat|chm|cmd|com|cpl|crt|exe|hlp|hta|' . 'inf|ins|isp|jse|lnk|mdb|mde|msc|msi|msp|mst|pcd|pif|reg|scr|sct|shs|' . 'shb|url|vbe|vbs|wsc|wsf|wsh)$/', $_FILES['userfile']['name'])) {
$tool_content .= "<p class=\"caution\">{$langUnwantedFiletype}: {$_FILES['userfile']['name']}<br />";
$tool_content .= "<a href=\"{$_SERVER['SCRIPT_NAME']}?course={$course_code}&id={$id}\">{$langBack}</a></p><br />";
return;
}
$secret = work_secret($id);
$ext = get_file_extension($_FILES['userfile']['name']);
$filename = "{$secret}/{$local_name}" . (empty($ext) ? '' : '.' . $ext);
if (!isset($on_behalf_of)) {
$msg1 = delete_submissions_by_uid($user_id, -1, $id);
if ($group_sub) {
if (array_key_exists($group_id, $gids)) {
$msg1 = delete_submissions_by_uid(-1, $group_id, $id);
}
}
} else {
$msg1 = '';
}
if ($no_files or move_uploaded_file($_FILES['userfile']['tmp_name'], "{$workPath}/{$filename}")) {
if (file_get_contents("{$workPath}/{$filename}") != false) {
if ($no_files) {
$filename = '';
} else {
@chmod("{$workPath}/{$filename}", 0644);
}
$msg2 = $langUploadSuccess;
$submit_ip = $_SERVER['REMOTE_ADDR'];
if (isset($on_behalf_of)) {
if ($group_sub) {
$auto_comments = sprintf($langOnBehalfOfGroupComment, uid_to_name($uid), $gids[$group_id]);
} else {
$auto_comments = sprintf($langOnBehalfOfUserComment, uid_to_name($uid), uid_to_name($user_id));
}
//group_sub
$stud_comments = $auto_comments;
$grade_comments = $_POST['stud_comments'];
$grade_valid = filter_input(INPUT_POST, 'grade', FILTER_VALIDATE_FLOAT);
isset($_POST['grade']) && $grade_valid !== false ? $grade = $grade_valid : ($grade = NULL);
$grade_ip = $submit_ip;
} else {
$stud_comments = $_POST['stud_comments'];
$grade = NULL;
$grade_comments = $grade_ip = "";
}
if (!$group_sub or array_key_exists($group_id, $gids)) {
$file_name = $_FILES['userfile']['name'];
$sid = Database::get()->query("INSERT INTO assignment_submit\n (uid, assignment_id, submission_date, submission_ip, file_path,\n file_name, comments, grade, grade_comments, grade_submission_ip,\n grade_submission_date, group_id)\n VALUES (?d, ?d, NOW(), ?s, ?s, ?s, ?s, ?f, ?s, ?s, NOW(), ?d)", $user_id, $id, $submit_ip, $filename, $file_name, $stud_comments, $grade, $grade_comments, $grade_ip, $group_id)->lastInsertID;
Log::record($course_id, MODULE_ID_ASSIGN, LOG_INSERT, array('id' => $sid, 'title' => $title, 'assignment_id' => $id, 'filepath' => $filename, 'filename' => $file_name, 'comments' => $stud_comments, 'group_id' => $group_id));
// update attendance book as well
update_attendance_book($id, 'assignment');
if ($on_behalf_of and isset($_POST['email'])) {
$email_grade = $_POST['grade'];
$email_comments = "\n{$auto_comments}\n\n" . $_POST['stud_comments'];
grade_email_notify($id, $sid, $email_grade, $email_comments);
}
}
$tool_content .= "<div class='alert alert-success'>{$msg2}<br>{$msg1}<br><a href='{$_SERVER['SCRIPT_NAME']}?course={$course_code}&id={$id}'>{$langBack}</a></div><br>";
} else {
$tool_content .= "<div class='alert alert-danger'>{$langAutoJudgeEmptyFile}<br><a href='{$_SERVER['SCRIPT_NAME']}?course={$course_code}'>{$langBack}</a></div><br>";
}
} else {
$tool_content .= "<div class='alert alert-danger'>{$langUploadError}<br><a href='{$_SERVER['SCRIPT_NAME']}?course={$course_code}'>{$langBack}</a></div><br>";
}
// Auto-judge: Send file to hackearth
if ($auto_judge && $ext === $langExt[$lang]) {
$content = file_get_contents("{$workPath}/{$filename}");
// Run each scenario and count how many passed
$auto_judge_scenarios_output = array(array('student_output' => '', 'passed' => 0));
$passed = 0;
$i = 0;
$partial = 0;
$errorsComment = '';
$weight_sum = 0;
foreach ($auto_judge_scenarios as $curScenario) {
$input = new AutoJudgeConnectorInput();
$input->input = $curScenario['input'];
$input->code = $content;
$input->lang = $lang;
$result = $connector->compile($input);
// Check if we have compilation errors.
if ($result->compileStatus !== $result::COMPILE_STATUS_OK) {
// Write down the error message.
$num = $i + 1;
$errorsComment = $result->compileStatus . " " . $result->output . "<br />";
$auto_judge_scenarios_output[$i]['passed'] = 0;
} else {
// Get all needed values to run the assertion.
$auto_judge_scenarios_output[$i]['student_output'] = $result->output;
$scenarioOutputExpectation = trim($curScenario['output']);
$scenarionAssertion = $curScenario['assertion'];
// Do it now.
$assertionResult = doScenarioAssertion($scenarionAssertion, $auto_judge_scenarios_output[$i]['student_output'], $scenarioOutputExpectation);
// Check if assertion passed.
if ($assertionResult) {
$passed++;
$auto_judge_scenarios_output[$i]['passed'] = 1;
$partial += $curScenario['weight'];
} else {
$num = $i + 1;
$auto_judge_scenarios_output[$i]['passed'] = 0;
}
}
$weight_sum += $curScenario['weight'];
$i++;
}
// 3 decimal digits precision
$grade = round($partial / $weight_sum * $max_grade, 3);
// allow an error of 0.001
if ($max_grade - $grade <= 0.001) {
$grade = $max_grade;
}
// Add the output as a comment
$comment = $langAutoJudgeScenariosPassed . ': ' . $passed . '/' . count($auto_judge_scenarios);
rtrim($errorsComment, '<br />');
if ($errorsComment !== '') {
$comment .= '<br /><br />' . $errorsComment;
}
submit_grade_comments($id, $sid, $grade, $comment, false, $auto_judge_scenarios_output, true);
} else {
if ($auto_judge && $ext !== $langExt[$lang]) {
if ($lang == null) {
die('Auto Judge is enabled but no language is selected');
}
if ($langExt[$lang] == null) {
die('An unsupported language was selected. Perhaps platform-wide auto judge settings have been changed?');
}
submit_grade_comments($id, $sid, 0, sprintf($langAutoJudgeInvalidFileType, $langExt[$lang], $ext), false, null, true);
}
}
// End Auto-judge
} else {
// not submit_ok
$tool_content .= "<div class='alert alert-danger'>{$langExerciseNotPermit}<br><a href='{$_SERVER['SCRIPT_NAME']}?course={$course_code}'>{$langBack}</a></div><br>";
}
}
function submit_work($id, $on_behalf_of = null) {
global $course_id, $uid, $langOnBehalfOfGroupComment,
$works_url, $langOnBehalfOfUserComment, $workPath,
$langUploadSuccess, $langUploadError, $course_code,
$langAutoJudgeEmptyFile, $langAutoJudgeInvalidFileType,
$langAutoJudgeScenariosPassed;
$connector = AutojudgeApp::getAutojudge();
$langExt = $connector->getSupportedLanguages();
$row = Database::get()->querySingle("SELECT id, title, group_submissions, submission_type,
deadline, late_submission, CAST(UNIX_TIMESTAMP(deadline)-UNIX_TIMESTAMP(NOW()) AS SIGNED) AS time,
auto_judge, auto_judge_scenarios, lang, max_grade
FROM assignment
WHERE course_id = ?d AND id = ?d",
$course_id, $id);
$auto_judge = $row->auto_judge;
$auto_judge_scenarios = ($auto_judge == true) ? unserialize($row->auto_judge_scenarios) : null;
$lang = $row->lang;
$max_grade = $row->max_grade;
$nav[] = $works_url;
$nav[] = array('url' => "$_SERVER[SCRIPT_NAME]?id=$id", 'name' => q($row->title));
$submit_ok = FALSE; // Default do not allow submission
if (isset($uid) && $uid) { // check if logged-in
if ($GLOBALS['status'] == USER_GUEST) { // user is guest
$submit_ok = FALSE;
} else { // user NOT guest
if (isset($_SESSION['courses']) && isset($_SESSION['courses'][$_SESSION['dbname']])) {
// user is registered to this lesson
if (($row->time < 0 && (int) $row->deadline && !$row->late_submission) and !$on_behalf_of) {
$submit_ok = FALSE; // after assignment deadline
} else {
$submit_ok = TRUE; // before deadline
}
} else {
//user NOT registered to this lesson
$submit_ok = FALSE;
}
}
} //checks for submission validity end here
if ($submit_ok) {
$success_msgs = array();
$error_msgs = array();
//Preparing variables
$user_id = isset($on_behalf_of) ? $on_behalf_of : $uid;
if ($row->group_submissions) {
$group_id = isset($_POST['group_id']) ? intval($_POST['group_id']) : -1;
$gids = user_group_info($on_behalf_of ? null : $user_id, $course_id);
} else {
$group_id = 0;
}
// If submission type is Online Text
if($row->submission_type){
$filename = '';
$file_name = '';
$success_msgs[] = $langUploadSuccess;
} else { // If submission type is File
if ($row->group_submissions) {
$local_name = isset($gids[$group_id]) ? greek_to_latin($gids[$group_id]) : '';
} else {
$student_name = trim(uid_to_name($user_id));
$local_name = !empty($student_name)? $student_name : uid_to_name($user_id, 'username');
$am = Database::get()->querySingle("SELECT am FROM user WHERE id = ?d", $user_id)->am;
if (!empty($am)) {
$local_name .= $am;
}
$local_name = greek_to_latin($local_name);
}
$local_name = replace_dangerous_char($local_name);
if (isset($on_behalf_of) and !isset($_FILES)) {
$_FILES['userfile']['name'] = '';
$_FILES['userfile']['tmp_name'] = '';
$no_files = true;
} else {
$no_files = false;
}
$file_name = $_FILES['userfile']['name'];
validateUploadedFile($file_name, 2);
$secret = work_secret($row->id);
$ext = get_file_extension($file_name);
$filename = "$secret/$local_name" . (empty($ext) ? '' : '.' . $ext);
if ($no_files or move_uploaded_file($_FILES['userfile']['tmp_name'], "$workPath/$filename")) {
if ($no_files) {
$filename = '';
} else {
@chmod("$workPath/$filename", 0644);
}
$success_msgs[] = $langUploadSuccess;
} else {
$error_msgs[] = $langUploadError;
Session::Messages($error_msgs, 'alert-danger');
redirect_to_home_page("modules/work/index.php?course=$course_code&id=$id");
}
}
$submit_ip = $_SERVER['REMOTE_ADDR'];
$submission_text = isset($_POST['submission_text']) ? purify($_POST['submission_text']) : NULL;
if (isset($on_behalf_of)) {
if ($row->group_submissions) {
$stud_comments = sprintf($langOnBehalfOfGroupComment, uid_to_name($uid), $gids[$group_id]);
} else {
$stud_comments = sprintf($langOnBehalfOfUserComment, uid_to_name($uid), uid_to_name($user_id));
}
$grade_comments = $_POST['stud_comments'];
$grade_valid = filter_input(INPUT_POST, 'grade', FILTER_VALIDATE_FLOAT);
(isset($_POST['grade']) && $grade_valid!== false) ? $grade = $grade_valid : $grade = NULL;
$grade_ip = $submit_ip;
} else {
if ($row->group_submissions) {
if (array_key_exists($group_id, $gids)) {
$del_submission_msg = delete_submissions_by_uid(-1, $group_id, $row->id);
if (!empty($del_submission_msg)) {
$success_msgs[] = $del_submission_msg;
}
}
} else {
$del_submission_msg = delete_submissions_by_uid($user_id, -1, $row->id);
if (!empty($del_submission_msg)) {
$success_msgs[] = $del_submission_msg;
}
}
$stud_comments = $_POST['stud_comments'];
$grade = NULL;
$grade_comments = $grade_ip = "";
}
if (!$row->group_submissions || array_key_exists($group_id, $gids)) {
$data = array(
$user_id,
$row->id,
$submit_ip,
$filename,
$file_name,
$submission_text,
$stud_comments,
$grade,
$grade_comments,
$grade_ip,
$group_id
);
$sid = Database::get()->query("INSERT INTO assignment_submit
(uid, assignment_id, submission_date, submission_ip, file_path,
file_name, submission_text, comments, grade, grade_comments, grade_submission_ip,
grade_submission_date, group_id)
VALUES (?d, ?d, NOW(), ?s, ?s, ?s, ?s, ?s, ?f, ?s, ?s, NOW(), ?d)", $data)->lastInsertID;
Log::record($course_id, MODULE_ID_ASSIGN, LOG_INSERT, array('id' => $sid,
'title' => $row->title,
'assignment_id' => $row->id,
'filepath' => $filename,
'filename' => $file_name,
'comments' => $stud_comments,
'group_id' => $group_id));
if ($row->group_submissions) {
$group_id = Database::get()->querySingle("SELECT group_id FROM assignment_submit WHERE id = ?d", $sid)->group_id;
$user_ids = Database::get()->queryArray("SELECT user_id FROM group_members WHERE group_id = ?d", $group_id);
foreach ($user_ids as $user_id) {
update_attendance_book($user_id, $row->id, GRADEBOOK_ACTIVITY_ASSIGNMENT);
update_gradebook_book($user_id, $row->id, $grade/$row->max_grade, GRADEBOOK_ACTIVITY_ASSIGNMENT);
}
} else {
$quserid = Database::get()->querySingle("SELECT uid FROM assignment_submit WHERE id = ?d", $sid)->uid;
// update attendance book as well
update_attendance_book($quserid, $row->id, GRADEBOOK_ACTIVITY_ASSIGNMENT);
//update gradebook if needed
update_gradebook_book($quserid, $id, $grade/$row->max_grade, GRADEBOOK_ACTIVITY_ASSIGNMENT);
}
if ($on_behalf_of and isset($_POST['email'])) {
$email_grade = $_POST['grade'];
$email_comments = "\n$auto_comments\n\n" . $_POST['stud_comments'];
grade_email_notify($row->id, $sid, $email_grade, $email_comments);
}
}
// Auto-judge: Send file to hackearth
if(AutojudgeApp::getAutojudge()->isEnabled()) {
if ($auto_judge && $ext === $langExt[$lang]) {
$content = file_get_contents("$workPath/$filename");
// Run each scenario and count how many passed
$auto_judge_scenarios_output = array(
array(
'student_output'=> '',
'passed'=> 0,
)
);
$passed = 0;
$i = 0;
$partial = 0;
$errorsComment = '';
$weight_sum = 0;
foreach($auto_judge_scenarios as $curScenario) {
$input = new AutoJudgeConnectorInput();
$input->input = $curScenario['input'];
$input->code = $content;
$input->lang = $lang;
$result = $connector->compile($input);
// Check if we have compilation errors.
if ($result->compileStatus !== $result::COMPILE_STATUS_OK) {
// Write down the error message.
$num = $i+1;
$errorsComment = $result->compileStatus." ".$result->output."<br />";
$auto_judge_scenarios_output[$i]['passed'] = 0;
} else {
// Get all needed values to run the assertion.
$auto_judge_scenarios_output[$i]['student_output'] = $result->output;
$scenarioOutputExpectation = trim($curScenario['output']);
$scenarionAssertion = $curScenario['assertion'];
// Do it now.
$assertionResult = doScenarioAssertion(
$scenarionAssertion,
$auto_judge_scenarios_output[$i]['student_output'],
$scenarioOutputExpectation
);
// Check if assertion passed.
if ($assertionResult) {
$passed++;
$auto_judge_scenarios_output[$i]['passed'] = 1;
$partial += $curScenario['weight'];
} else {
$num = $i+1;
$auto_judge_scenarios_output[$i]['passed'] = 0;
}
}
$weight_sum += $curScenario['weight'];
$i++;
}
// 3 decimal digits precision
$grade = round($partial / $weight_sum * $max_grade, 3);
// allow an error of 0.001
if($max_grade - $grade <= 0.001)
$grade = $max_grade;
// Add the output as a comment
$comment = $langAutoJudgeScenariosPassed.': '.$passed.'/'.count($auto_judge_scenarios);
rtrim($errorsComment, '<br />');
if ($errorsComment !== '') {
$comment .= '<br /><br />'.$errorsComment;
}
submit_grade_comments(array(
'assignment' => $id,
'submission' => $sid,
'grade' => $grade,
'comments' => $comment,
'email' => false,
'auto_judge_scenarios_output' => $auto_judge_scenarios_output,
'preventUiAlterations' => true,
));
} else if ($auto_judge && $ext !== $langExt[$lang]) {
if($lang == null) { die('Auto Judge is enabled but no language is selected'); }
if($langExt[$lang] == null) { die('An unsupported language was selected. Perhaps platform-wide auto judge settings have been changed?'); }
submit_grade_comments($id, $sid, 0, sprintf($langAutoJudgeInvalidFileType, $langExt[$lang], $ext), false, null, true);
}
}
// End Auto-judge
Session::Messages($success_msgs, 'alert-success');
redirect_to_home_page("modules/work/index.php?course=$course_code&id=$id");
} else { // not submit_ok
Session::Messages($langExerciseNotPermit);
redirect_to_home_page("modules/work/index.php?course=$course_code");
}
}