Proyectos de Subversion Moodle

<?php
header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
define('LLWS_USERNAME', 'leaderdslinked-ws');
define('LLWS_PASSWORD', 'KFB3lFsLp&*CpB0uc2VNc!zVn@w!EZqZ*jr$J0AlE@sYREUcyP');
define('LLWS_RSA_N',34589927);
define('LLWS_RSA_D',4042211);
define('LLWS_RSA_E',7331);
define('LLWS_CATEGORY_ID',6);


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



/*
$username   = trim(isset($_SERVER['HTTP_USERNAME']) ? filter_var($_SERVER['HTTP_USERNAME'], FILTER_SANITIZE_STRING) : '');
$password   = trim(isset($_SERVER['HTTP_PASSWORD']) ? filter_var($_SERVER['HTTP_PASSWORD'], FILTER_SANITIZE_STRING) : '');
$timestamp  = trim(isset($_SERVER['HTTP_TIMESTAMP']) ? filter_var($_SERVER['HTTP_TIMESTAMP'], FILTER_SANITIZE_STRING) : '');
$rand       = intval(isset($_SERVER['HTTP_RAND']) ? filter_var($_SERVER['HTTP_RAND'], FILTER_SANITIZE_NUMBER_INT) : 0,10);
*/

$username   = trim(isset($_REQUEST['username']) ? filter_var($_REQUEST['username'], FILTER_SANITIZE_STRING) : '');
$password   = trim(isset($_REQUEST['password']) ? filter_var($_REQUEST['password'], FILTER_SANITIZE_STRING) : '');
$timestamp  = trim(isset($_REQUEST['timestamp']) ? filter_var($_REQUEST['timestamp'], FILTER_SANITIZE_STRING) : '');
$rand       = intval(isset($_REQUEST['rand']) ? filter_var($_REQUEST['rand'], FILTER_SANITIZE_NUMBER_INT) : 0,10);
$data       = trim(isset($_REQUEST['data']) ? filter_var($_REQUEST['data'], FILTER_SANITIZE_STRING) : '');

/*
$data = '';
$input = fopen("php://input", "r");


while ($line = fread($input, 1024))
{
    $data .= $line; 
}
fclose($input);*/

/*
echo 'username = '. $username . PHP_EOL;
echo 'password = '. $password . PHP_EOL;
echo 'rand = '. $rand . PHP_EOL;
echo 'timestamp = '. $timestamp . PHP_EOL;
echo 'data = '. $data . PHP_EOL;


/*
list($usec, $sec) = explode(' ', microtime());
$seed = intval($sec + ((float) $usec * 100000));

$username   = LLWS_USERNAME;
$timestamp  = date('Y-m-d\TH:i:s');
mt_srand($seed, MT_RAND_MT19937);
$rand =  mt_rand();

$password   = LLWS_PASSWORD;
$password  = password_hash($username.'-'. $password. '-' . $rand. '-' . $timestamp, PASSWORD_DEFAULT);

$data       = $rsa->encrypt(json_encode(['email' => 'usuario4@test.com', 'first_name' => 'usuario4', 'last_name' => 'test']));
*/

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 = \DateTime::createFromFormat('Y-m-d\TH:i:s', $timestamp);
if(!$dt) {
    echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY3']) ;
    exit;
}

$t0 = $dt->getTimestamp();
$t1 = strtotime('-5 minutes');
$t2 = strtotime('+5 minutes');

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) : '');

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) {
        
        $filename   = trim(isset($data['image_filename']) ? filter_var($data['image_filename'], FILTER_SANITIZE_EMAIL) : '');
        $content    = trim(isset($data['image_content']) ? filter_var($data['image_content'], FILTER_SANITIZE_STRING) : '');
        
        
        if($filename && $content) {
            $tempfile = __DIR__ . DIRECTORY_SEPARATOR . $filename;
            try {
                file_put_contents($filename, base64_decode($content));
                if (file_exists($tempfile)) {
                    $usericonid = process_new_icon( context_user::instance( $user->id, MUST_EXIST ), 'user', 'icon', 0, $tempfile );
                    if ( $usericonid ) {
                        $DB->set_field( 'user', 'picture', $usericonid, array( 'id' => $user->id ) );
                    }
                }
            } catch(\Throwable $e) {

            } finally { 
                if(file_exists($tempfile)) {
                    unlink($tempfile);
                }
            }

            
        }
        
    }
}   



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;