public function testQuotePhpArguments()
{
$this->assertSame("'hello', 'hi'", ShellUtils::quotePhpArguments(['hello', 'hi']));
$this->assertSame("'hello', array(0 => 'hi', 1 => 'hi2')", ShellUtils::quotePhpArguments(['hello', ['hi', 'hi2']]));
$this->assertSame("546", ShellUtils::quotePhpArgument(546));
$this->assertSame("true", ShellUtils::quotePhpArgument(true));
$this->assertSame("false", ShellUtils::quotePhpArgument(false));
$this->assertSame("54.23", ShellUtils::quotePhpArgument(54.23));
$this->assertSame("null", ShellUtils::quotePhpArgument(null));
}
public function launch($file, array $arguments, &$output)
{
/// Supplied file path must point to JAR archive with defined main class.
if (!file_exists($file)) {
return 'File ' . $file . ' doesn\'t exist or cannot be read';
}
$java = Config::get('bin', 'java');
$arguments = ShellUtils::makeShellArguments($arguments);
$output = `"{$java}" -Dfile.encoding=UTF-8 -jar "{$file}" {$arguments}`;
return false;
}
public function launch($file, array $arguments, &$output)
{
/// Supplied file path must point to an executable.
if (!file_exists($file)) {
return 'File doesn\'t exist or cannot be read';
}
$file = realpath($file);
$arguments = ShellUtils::makeShellArguments($arguments);
$output = `"{$file}" {$arguments}`;
return false;
}
/**
* Creates stack trace with custom formatting from supplied exception.
* @param Exception $e
* @return string stack trace
*/
protected static function getCustomTrace(Exception $e)
{
$trace = array();
$index = 0;
$defaults = array('file' => null, 'line' => null, 'class' => null, 'function' => null, 'type' => '::', 'args' => array());
foreach ($e->getTrace() as $props) {
$props = array_merge($defaults, $props);
$location = $props['file'] ? $props['file'] != 'Command line code' ? basename($props['file']) . ':' . $props['line'] : '[command line]' : '[unknown location]';
if ($props['function'] == 'trigger_error' && $props['class'] === null) {
$trace[] = "User error triggered ({$location}): {$props['args'][0]}";
} elseif ($props['class'] == 'Utils' && $props['function'] == 'turnErrorToException' || $props['class'] == 'ErrorHandler' && $props['function'] == 'handleException' || $props['class'] == 'ErrorHandler' && $props['function'] == 'handleError') {
continue;
} else {
$arguments = ShellUtils::quotePhpArguments($props['args']);
$function = $props['function'] ? "{$props['function']}({$arguments})" : '';
$caller = $function && $props['class'] ? $props['class'] : '';
$call = $caller ? $props['type'] : '';
$trace[] = "#{$index} {$location} {$caller}{$call}{$function}";
++$index;
}
}
return implode("\n", $trace);
}
/**
* Performs the function of this script.
*/
protected function body()
{
if (!$this->userHasPrivileges(User::assignmentsSubmit)) {
return;
}
if (!$this->isInputValid(array('assignmentId' => 'isIndex'))) {
return;
}
$userId = User::instance()->getId();
$assignmentId = $this->getParams('assignmentId');
/**
* @var $assignment \Assignment
*/
$assignment = Repositories::getEntityManager()->find('Assignment', $assignmentId);
$query = "SELECT s, a FROM Subscription s, Assignment a WHERE s.group = a.group AND s.user = "******" AND a.id = " . $assignmentId;
/**
* @var $result \Subscription[]
*/
$result = Repositories::getEntityManager()->createQuery($query)->getResult();
if (count($result) === 0) {
$this->stop(Language::get(StringID::HackerError));
return;
}
if ($result[0]->getStatus() == \Subscription::STATUS_REQUESTED) {
$this->stop(Language::get(StringID::SubscriptionNotYetAccepted));
return;
}
$submissionsFolder = Config::get('paths', 'submissions');
$file = date('Y-m-d_H-i-s_') . $userId . '_' . StringUtils::randomString(10) . '.zip';
if (!$this->saveUploadedFile('submission', $submissionsFolder . $file)) {
return;
}
// Create submission
$newSubmission = new \Submission();
$newSubmission->setAssignment($assignment);
$newSubmission->setSubmissionFile($file);
$newSubmission->setUser(User::instance()->getEntity());
$newSubmission->setDate(new \DateTime());
// Put into database
Repositories::persistAndFlush($newSubmission);
// Launch plugin, or set full success if not connected to any plugin
if ($assignment->getProblem()->getPlugin() === null) {
$newSubmission->setSuccess(100);
$newSubmission->setInfo(Language::get(StringID::NoPluginUsed));
$previousSubmissions = Repositories::makeDqlQuery("SELECT s FROM \\Submission s WHERE s.user = :sameUser AND s.assignment = :sameAssignment AND s.status != 'graded' AND s.status != 'deleted'")->setParameter('sameUser', User::instance()->getEntity()->getId())->setParameter('sameAssignment', $assignment->getId())->getResult();
foreach ($previousSubmissions as $previousSubmission) {
$previousSubmission->setStatus(\Submission::STATUS_NORMAL);
Repositories::getEntityManager()->persist($previousSubmission);
}
$newSubmission->setStatus(\Submission::STATUS_LATEST);
Repositories::getEntityManager()->persist($newSubmission);
Repositories::flushAll();
} else {
Core::launchPlugin($assignment->getProblem()->getPlugin()->getType(), Config::get('paths', 'plugins') . $assignment->getProblem()->getPlugin()->getMainfile(), $submissionsFolder . $file, false, $newSubmission->getId(), explode(';', $assignment->getProblem()->getConfig()));
}
// Run checking for plagiarism
$similarityJar = Config::get('paths', 'similarity');
if ($similarityJar != null && is_file($similarityJar)) {
$arguments = "comparenew";
// Get config file and autoloader file
$paths = Config::get('paths');
$vendorAutoload = $paths['composerAutoload'];
$java = Config::get('bin', 'java');
$javaArguments = Config::get('bin', 'javaArguments');
$pathToCore = Config::get('paths', 'core');
// This code will be passed, shell-escaped to the PHP CLI
$launchCode = <<<LAUNCH_CODE
require_once '{$vendorAutoload}';
chdir("{$pathToCore}");
`"{$java}" {$javaArguments} -Dfile.encoding=UTF-8 -jar "{$similarityJar}" {$arguments}`;
LAUNCH_CODE;
ShellUtils::phpExecInBackground(Config::get('bin', 'phpCli'), $launchCode);
}
}
