Proyectos de Subversion Moodle

<?php

header('Access-Control-Allow-Origin: *');

header('Access-Control-Allow-Methods: POST, GET, DELETE, PUT, PATCH, OPTIONS');

header('Access-Control-Allow-Headers: token, Content-Type');

header('Access-Control-Max-Age: 1728000');

header('Content-Type: application/json');

require_once(__DIR__ . '/config.php');

require_once(__DIR__ . '/../config.php');

require_once(__DIR__ . '/rsa.php');

require_once(__DIR__ . '/lib.php');

global $DB, $CFG;

require_once($CFG->libdir.'/moodlelib.php');

require_once($CFG->libdir . '/externallib.php');

require_once($CFG->libdir.'/authlib.php');

require_once( $CFG->libdir . '/gdlib.php' );

require_once($CFG->dirroot.'/user/lib.php');

$username   = trim(isset($_POST['username']) ? filter_var($_POST['username'], FILTER_SANITIZE_STRING) : '');

$password   = trim(isset($_POST['password']) ? filter_var($_POST['password'], FILTER_SANITIZE_STRING) : '');

$timestamp  = trim(isset($_POST['timestamp']) ? filter_var($_POST['timestamp'], FILTER_SANITIZE_STRING) : '');

$rand       = intval(isset($_POST['rand']) ? filter_var($_POST['rand'], FILTER_SANITIZE_NUMBER_INT) : 0,10);

$data       = trim(isset($_POST['data']) ? filter_var($_POST['data'], FILTER_SANITIZE_STRING) : '');

if(empty($username) || empty($password) || empty($timestamp) || empty($rand) || !is_integer($rand)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY1']) ;

    exit;

}

if($username != LLWS_USERNAME) {

    echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY2']) ;

    exit;

}

$dt = \DateTimeImmutable::createFromFormat('Y-m-d\TH:i:s',  gmdate('Y-m-d\TH:i:s'));

$dtMax = $dt->add(\DateInterval::createFromDateString('5 minutes'));

$dtMin = $dt->sub(\DateInterval::createFromDateString('5 minutes'));

$t0 = $dt->getTimestamp();

$t1 = $dtMin->getTimestamp();

$t2 = $dtMax->getTimestamp();

if($t0 < $t1 || $t0 > $t2) {

    echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY4']) ;

    exit;

}

if(!password_verify( $username.'-'. LLWS_PASSWORD. '-' . $rand. '-' . $timestamp, $password)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY5']) ;

    exit;

}

if(empty($data)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS1']) ;

    exit;

}

$data = base64_decode($data);

if(empty($data)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS2']) ;

    exit;

}

try {

    $rsa = new rsa();

    $rsa->setKeys(LLWS_RSA_N, LLWS_RSA_D, LLWS_RSA_E);

    $data = $rsa->decrypt($data);

} catch (Throwable $e)

{

    echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS3']) ;

    exit;

}

$data = (array) json_decode($data);

if(empty($data)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS4']) ;

    exit;

}

$email      = trim(isset($data['email']) ? filter_var($data['email'], FILTER_SANITIZE_EMAIL) : '');

$first_name = trim(isset($data['first_name']) ? filter_var($data['first_name'], FILTER_SANITIZE_STRING) : '');

$last_name  = trim(isset($data['last_name']) ? filter_var($data['last_name'], FILTER_SANITIZE_STRING) : '');

$password   = trim(isset($data['password']) ? filter_var($data['password'], FILTER_SANITIZE_STRING) : '');

if(!filter_var($email, FILTER_VALIDATE_EMAIL) || empty($first_name) || empty($last_name)) {

    echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS5']) ;

    exit;

}

$user = ll_get_user_by_email($email);

if($user) {

    $new_user = false;

} else {

    $new_user = true;

    $username = ll_get_username_available($first_name, $last_name);

    $user = ll_create_user($username, $email, $first_name, $last_name);

}

if(!$user) {

    echo json_encode(['success' => false, 'data' => 'ERROR_MOODLE1']) ;

    exit;

}

if($new_user) {

    $role = $DB->get_record('role', array('archetype' => 'student'));

    $enrolmethod = 'manual';

    $courses = get_courses();

    foreach($courses as $course)

    {

        if($course->categoy_id == LLWS_CATEGORY_ID) {

            $context = context_course::instance($course->id);

            if (!is_enrolled($context, $user)) {

                $enrol = enrol_get_plugin($enrolmethod);

                if ($enrol === null) {

                    return false;

                }

                $instances = enrol_get_instances($course->id, true);

                $manualinstance = null;

                foreach ($instances as $instance) {

                    if ($instance->name == $enrolmethod) {

                        $manualinstance = $instance;

                        break;

                    }

                }

                if ($manualinstance !== null) {

                    $instanceid = $enrol->add_default_instance($course);

                    if ($instanceid === null) {

                        $instanceid = $enrol->add_instance($course);

                    }

                    $instance = $DB->get_record('enrol', array('id' => $instanceid));

                    if($instance) {

                        $enrol->enrol_user($instance, $user->id, $role->id);

                    }

                }

            }

        }

    }

}

$user = get_complete_user_data('id', $user->id);

if (!isloggedin()) {

    complete_user_login($user);

}

header('Location: '. $CFG->wwwroot . '/my');

exit;