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<?php
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// Configuración de headers para respuesta JSON y CORS
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: *');
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// Definición de constantes para autenticación y encriptación
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define('LLWS_USERNAME', 'leaderdslinked-ws');
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define('LLWS_PASSWORD', 'KFB3lFsLp&*CpB0uc2VNc!zVn@w!EZqZ*jr$J0AlE@sYREUcyP');
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define('LLWS_RSA_N', 34589927); // Clave pública RSA N
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define('LLWS_RSA_D', 4042211); // Clave privada RSA D
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define('LLWS_RSA_E', 7331); // Clave pública RSA E
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define('LLWS_CATEGORY_ID', 6); // ID de categoría para cursos
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// Inclusión de archivos necesarios de Moodle
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require_once(__DIR__ . '/../config.php');
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global $DB, $CFG;
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// Inclusión de librerías de Moodle
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require_once($CFG->libdir . '/moodlelib.php');
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require_once($CFG->libdir . '/externallib.php');
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require_once($CFG->libdir . '/authlib.php');
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require_once($CFG->libdir . '/gdlib.php');
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require_once($CFG->dirroot . '/user/lib.php');
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require_once(__DIR__ . '/rsa.php');
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require_once(__DIR__ . '/lib.php');
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// Obtención y sanitización de parámetros de la petición
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$username = trim(isset($_REQUEST['username']) ? filter_var($_REQUEST['username'], FILTER_SANITIZE_STRING) : '');
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$password = trim(isset($_REQUEST['password']) ? filter_var($_REQUEST['password'], FILTER_SANITIZE_STRING) : '');
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$timestamp = trim(isset($_REQUEST['timestamp']) ? filter_var($_REQUEST['timestamp'], FILTER_SANITIZE_STRING) : '');
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$rand = intval(isset($_REQUEST['rand']) ? filter_var($_REQUEST['rand'], FILTER_SANITIZE_NUMBER_INT) : 0, 10);
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$data = trim(isset($_REQUEST['data']) ? filter_var($_REQUEST['data'], FILTER_SANITIZE_STRING) : '');
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/*
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$data = '';
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$input = fopen("php://input", "r");
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while ($line = fread($input, 1024))
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{
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$data .= $line;
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}
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fclose($input);*/
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/*
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echo 'username = '. $username . PHP_EOL;
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echo 'password = '. $password . PHP_EOL;
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echo 'rand = '. $rand . PHP_EOL;
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echo 'timestamp = '. $timestamp . PHP_EOL;
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echo 'data = '. $data . PHP_EOL;
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/*
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list($usec, $sec) = explode(' ', microtime());
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$seed = intval($sec + ((float) $usec * 100000));
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$username = LLWS_USERNAME;
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$timestamp = date('Y-m-d\TH:i:s');
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mt_srand($seed, MT_RAND_MT19937);
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$rand = mt_rand();
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$password = LLWS_PASSWORD;
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$password = password_hash($username.'-'. $password. '-' . $rand. '-' . $timestamp, PASSWORD_DEFAULT);
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$data = $rsa->encrypt(json_encode(['email' => 'usuario4@test.com', 'first_name' => 'usuario4', 'last_name' => 'test']));
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*/
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// Validación de parámetros de seguridad
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if (empty($username) || empty($password) || empty($timestamp) || empty($rand) || !is_integer($rand)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY1']);
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exit;
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}
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// Validación del nombre de usuario
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if ($username != LLWS_USERNAME) {
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echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY2']);
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exit;
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}
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// Validación del formato del timestamp
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$dt = \DateTime::createFromFormat('Y-m-d\TH:i:s', $timestamp);
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if (!$dt) {
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echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY3']);
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exit;
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}
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// Validación del rango de tiempo del timestamp (±5 minutos)
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$t0 = $dt->getTimestamp();
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$t1 = strtotime('-5 minutes');
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$t2 = strtotime('+5 minutes');
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if ($t0 < $t1 || $t0 > $t2) {
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//echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY4']) ;
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//exit;
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}
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// Validación de la contraseña
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if (!password_verify($username . '-' . LLWS_PASSWORD . '-' . $rand . '-' . $timestamp, $password)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY5']);
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exit;
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}
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// Validación de datos
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if (empty($data)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS1']);
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exit;
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}
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// Decodificación de datos en base64
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$data = base64_decode($data);
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if (empty($data)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS2']);
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exit;
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}
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// Desencriptación de datos usando RSA
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try {
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$rsa = new rsa();
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$rsa->setKeys(LLWS_RSA_N, LLWS_RSA_D, LLWS_RSA_E);
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$data = $rsa->decrypt($data);
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} catch (Throwable $e) {
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echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS3']);
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exit;
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}
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// Conversión de datos a array
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$data = (array) json_decode($data);
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if (empty($data)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS4']);
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exit;
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}
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// Extracción y validación de datos del usuario
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$email = trim(isset($data['email']) ? filter_var($data['email'], FILTER_SANITIZE_EMAIL) : '');
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$first_name = trim(isset($data['first_name']) ? filter_var($data['first_name'], FILTER_SANITIZE_STRING) : '');
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$last_name = trim(isset($data['last_name']) ? filter_var($data['last_name'], FILTER_SANITIZE_STRING) : '');
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if (!filter_var($email, FILTER_VALIDATE_EMAIL) || empty($first_name) || empty($last_name)) {
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echo json_encode(['success' => false, 'data' => 'ERROR_PARAMETERS5']);
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exit;
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}
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// Búsqueda o creación de usuario
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$user = ll_get_user_by_email($email);
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if ($user) {
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$new_user = false;
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} else {
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$new_user = true;
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$username = ll_get_username_available($first_name, $last_name);
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$user = ll_create_user($username, $email, $first_name, $last_name);
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// Procesamiento de imagen de perfil si se proporciona
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if ($user) {
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$filename = trim(isset($data['image_filename']) ? filter_var($data['image_filename'], FILTER_SANITIZE_EMAIL) : '');
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$content = trim(isset($data['image_content']) ? filter_var($data['image_content'], FILTER_SANITIZE_STRING) : '');
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if ($filename && $content) {
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$tempfile = __DIR__ . DIRECTORY_SEPARATOR . $filename;
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try {
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file_put_contents($filename, base64_decode($content));
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if (file_exists($tempfile)) {
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$usericonid = process_new_icon(context_user::instance($user->id, MUST_EXIST), 'user', 'icon', 0, $tempfile);
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if ($usericonid) {
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$DB->set_field('user', 'picture', $usericonid, array('id' => $user->id));
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}
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}
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} catch (\Throwable $e) {
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} finally {
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if (file_exists($tempfile)) {
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unlink($tempfile);
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}
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}
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}
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}
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}
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// Verificación de creación de usuario
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if (!$user) {
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echo json_encode(['success' => false, 'data' => 'ERROR_MOODLE1']);
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exit;
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}
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// Inscripción en cursos para usuarios nuevos
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if ($new_user) {
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$role = $DB->get_record('role', array('archetype' => 'student'));
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$enrolmethod = 'manual';
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$courses = get_courses();
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foreach ($courses as $course) {
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if ($course->categoy_id == LLWS_CATEGORY_ID) {
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$context = context_course::instance($course->id);
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if (!is_enrolled($context, $user)) {
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$enrol = enrol_get_plugin($enrolmethod);
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if ($enrol === null) {
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return false;
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}
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$instances = enrol_get_instances($course->id, true);
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$manualinstance = null;
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foreach ($instances as $instance) {
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if ($instance->name == $enrolmethod) {
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$manualinstance = $instance;
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break;
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}
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}
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if ($manualinstance !== null) {
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$instanceid = $enrol->add_default_instance($course);
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if ($instanceid === null) {
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$instanceid = $enrol->add_instance($course);
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}
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$instance = $DB->get_record('enrol', array('id' => $instanceid));
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if ($instance) {
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$enrol->enrol_user($instance, $user->id, $role->id);
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}
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}
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}
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}
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}
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}
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// Obtención de datos completos del usuario y login
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$user = get_complete_user_data('id', $user->id);
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if ($user) {
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// Si hay una sesión existente, cerrarla primero
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if (isloggedin()) {
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require_logout();
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}
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// Forzar limpieza completa de la sesión
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\core\session\manager::kill_all_sessions();
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\core\session\manager::terminate_current();
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session_destroy();
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// Limpiar cookies de sesión
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if (isset($_COOKIE[session_name()])) {
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setcookie(session_name(), '', time() - 3600, '/');
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}
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// Forzar nueva sesión
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session_start();
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// Verificar si la cuenta está confirmada
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242 |
if (empty($user->confirmed)) {
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echo json_encode(['success' => false, 'data' => 'ACCOUNT_NOT_CONFIRMED']);
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exit;
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}
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// Verificar si la contraseña ha expirado (solo para autenticación LDAP)
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$userauth = get_auth_plugin($user->auth);
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if (!isguestuser() && !empty($userauth->config->expiration) && $userauth->config->expiration == 1) {
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$days2expire = $userauth->password_expire($user->username);
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if (intval($days2expire) < 0) {
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echo json_encode(['success' => false, 'data' => 'PASSWORD_EXPIRED']);
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exit;
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}
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255 |
}
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ariadna |
256 |
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// Completar el proceso de inicio de sesión
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complete_user_login($user);
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261 |
// Aplicar límite de inicio de sesión concurrente
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\core\session\manager::apply_concurrent_login_limit($user->id, session_id());
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263 |
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264 |
// Configurar cookie de nombre de usuario
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265 |
if (!empty($CFG->nolastloggedin)) {
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// No almacenar último usuario conectado en cookie
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267 |
} else if (empty($CFG->rememberusername)) {
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// Sin cookies permanentes, eliminar la anterior si existe
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set_moodle_cookie('');
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} else {
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271 |
set_moodle_cookie($user->username);
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272 |
}
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1391 |
ariadna |
273 |
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274 |
// Limpiar mensajes de error antes de la última redirección
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1392 |
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275 |
unset($SESSION->loginerrormsg);
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276 |
unset($SESSION->logininfomsg);
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277 |
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278 |
// Descartar loginredirect si estamos redirigiendo
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279 |
unset($SESSION->loginredirect);
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1391 |
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280 |
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281 |
// Configurar la URL de destino
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282 |
$urltogo = $CFG->wwwroot . '/my';
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283 |
$SESSION->wantsurl = $urltogo;
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1391 |
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284 |
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1401 |
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285 |
// Verificar que la sesión se haya iniciado correctamente
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1398 |
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286 |
if (isloggedin() && !isguestuser()) {
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1401 |
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287 |
// Enviar respuesta exitosa con datos del usuario
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288 |
echo json_encode([
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289 |
'success' => true,
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290 |
'data' => [
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291 |
'userid' => $user->id,
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292 |
'username' => $user->username,
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293 |
'fullname' => fullname($user),
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294 |
'email' => $user->email,
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295 |
'redirect' => $urltogo
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296 |
]
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1401 |
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297 |
]);
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298 |
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299 |
// Redirigir al usuario
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300 |
redirect($urltogo);
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301 |
} else {
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302 |
echo json_encode(['success' => false, 'data' => 'LOGIN_FAILED']);
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1399 |
ariadna |
303 |
}
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1401 |
ariadna |
304 |
} else {
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1391 |
ariadna |
305 |
echo json_encode(['success' => false, 'data' => 'USER_NOT_FOUND']);
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96 |
efrain |
306 |
}
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1388 |
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307 |
exit;
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