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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'); // MOVED: Will be set only when outputting JSON
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// header('Access-Control-Allow-Origin: *'); // MOVED: Will be set only when outputting JSON
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6 |
// Definición de constantes para autenticación y encriptación
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define('LLWS_USERNAME', 'leaderdslinked-ws');
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8 |
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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10 |
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, $CFG;
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17 |
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// Inclusión de librerías de Moodle
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require_once($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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27 |
// 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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55 |
$seed = intval($sec + ((float) $usec * 100000));
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56 |
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$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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$rand = mt_rand();
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61 |
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$password = LLWS_PASSWORD;
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$password = password_hash($username.'-'. $password. '-' . $rand. '-' . $timestamp, PASSWORD_DEFAULT);
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$data = $rsa->encrypt(json_encode(['email' => 'usuario4@test.com', 'first_name' => 'usuario4', 'last_name' => 'test']));
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*/
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// Helper function to output JSON error and exit
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function output_json_error($errorCode)
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{
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// It's good practice to ensure session is closed before output,
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// though Moodle's exit handling might cover this.
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if (function_exists('session_write_close')) {
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session_write_close();
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}
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: *'); // Assuming CORS is needed for errors too
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echo json_encode(['success' => false, 'data' => $errorCode]);
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exit;
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}
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// Validación de parámetros de seguridad
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if (empty($username) || empty($password) || empty($timestamp) || empty($rand) || !is_integer($rand)) {
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output_json_error('ERROR_SECURITY1');
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}
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// Validación del nombre de usuario
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if ($username != LLWS_USERNAME) {
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output_json_error('ERROR_SECURITY2');
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}
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// Validación del formato del timestamp
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$dt = \DateTime::createFromFormat('Y-m-d\TH:i:s', $timestamp);
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if (!$dt) {
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output_json_error('ERROR_SECURITY3');
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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 > $t2) {
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//echo json_encode(['success' => false, 'data' => 'ERROR_SECURITY4']) ;
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//output_json_error('ERROR_SECURITY4'); // Kept commented as in original for this line
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//exit;
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}
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// Validación de la contraseña
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if (!password_verify($username . '-' . LLWS_PASSWORD . '-' . $rand . '-' . $timestamp, $password)) {
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output_json_error('ERROR_SECURITY5');
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}
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// Validación de datos
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if (empty($data)) {
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output_json_error('ERROR_PARAMETERS1');
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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($data)) {
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output_json_error('ERROR_PARAMETERS2');
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}
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// Desencriptación de datos usando RSA
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try {
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$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 $e) {
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output_json_error('ERROR_PARAMETERS3');
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}
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// Conversión de datos a array
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$data = (array) json_decode($data);
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if (empty($data)) {
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output_json_error('ERROR_PARAMETERS4');
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}
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140 |
// 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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146 |
output_json_error('ERROR_PARAMETERS5');
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}
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148 |
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149 |
// 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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173 |
} catch (\Throwable $e) {
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} finally {
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if (file_exists($tempfile)) {
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unlink($tempfile);
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}
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}
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}
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180 |
}
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181 |
}
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182 |
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183 |
// Verificación de creación de usuario
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184 |
if (!$user) {
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185 |
output_json_error('ERROR_MOODLE1');
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186 |
}
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187 |
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188 |
// Inscripción en cursos para usuarios nuevos
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189 |
if ($new_user) {
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190 |
$role = $DB->get_record('role', array('archetype' => 'student'));
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$enrolmethod = 'manual';
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192 |
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193 |
$courses = get_courses();
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194 |
foreach ($courses as $course) {
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195 |
if ($course->categoy_id == LLWS_CATEGORY_ID) {
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196 |
$context = context_course::instance($course->id);
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197 |
if (!is_enrolled($context, $user)) {
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198 |
$enrol = enrol_get_plugin($enrolmethod);
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199 |
if ($enrol === null) {
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200 |
return false;
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201 |
}
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202 |
$instances = enrol_get_instances($course->id, true);
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203 |
$manualinstance = null;
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foreach ($instances as $instance) {
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205 |
if ($instance->name == $enrolmethod) {
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206 |
$manualinstance = $instance;
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207 |
break;
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208 |
}
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209 |
}
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210 |
if ($manualinstance !== null) {
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211 |
$instanceid = $enrol->add_default_instance($course);
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212 |
if ($instanceid === null) {
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$instanceid = $enrol->add_instance($course);
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}
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215 |
$instance = $DB->get_record('enrol', array('id' => $instanceid));
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216 |
if ($instance) {
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$enrol->enrol_user($instance, $user->id, $role->id);
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218 |
}
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}
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}
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}
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222 |
}
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223 |
}
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224 |
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225 |
// Obtención de datos completos del usuario y login
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226 |
$user = get_complete_user_data('id', $user->id);
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227 |
if ($user) {
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228 |
// Si hay una sesión existente, cerrarla primero
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ariadna |
229 |
if (isloggedin()) {
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ariadna |
230 |
\core\session\manager::kill_all_sessions();
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231 |
\core\session\manager::terminate_current();
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232 |
session_destroy();
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1413 |
ariadna |
233 |
// Delete MoodleSession cookie
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234 |
setcookie('MoodleSession', '', time() - 3600, '/');
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1392 |
ariadna |
235 |
}
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236 |
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ariadna |
237 |
// Verificar si la cuenta está confirmada
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1392 |
ariadna |
238 |
if (empty($user->confirmed)) {
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239 |
output_json_error('ACCOUNT_NOT_CONFIRMED');
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1392 |
ariadna |
240 |
}
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241 |
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ariadna |
242 |
// Verificar si la contraseña ha expirado (solo para autenticación LDAP)
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1392 |
ariadna |
243 |
$userauth = get_auth_plugin($user->auth);
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244 |
if (!isguestuser() && !empty($userauth->config->expiration) && $userauth->config->expiration == 1) {
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245 |
$days2expire = $userauth->password_expire($user->username);
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246 |
if (intval($days2expire) < 0) {
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1409 |
ariadna |
247 |
output_json_error('PASSWORD_EXPIRED');
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1391 |
ariadna |
248 |
}
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1392 |
ariadna |
249 |
}
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1391 |
ariadna |
250 |
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1401 |
ariadna |
251 |
// Completar el proceso de inicio de sesión
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1413 |
ariadna |
252 |
complete_user_login($user);
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1401 |
ariadna |
253 |
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254 |
// Aplicar límite de inicio de sesión concurrente
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1392 |
ariadna |
255 |
\core\session\manager::apply_concurrent_login_limit($user->id, session_id());
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1391 |
ariadna |
256 |
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1401 |
ariadna |
257 |
// Configurar cookie de nombre de usuario
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1392 |
ariadna |
258 |
if (!empty($CFG->nolastloggedin)) {
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259 |
// No almacenar último usuario conectado en cookie
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260 |
} else if (empty($CFG->rememberusername)) {
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1401 |
ariadna |
261 |
// Sin cookies permanentes, eliminar la anterior si existe
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1392 |
ariadna |
262 |
set_moodle_cookie('');
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263 |
} else {
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264 |
set_moodle_cookie($user->username);
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265 |
}
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1391 |
ariadna |
266 |
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1401 |
ariadna |
267 |
// Limpiar mensajes de error antes de la última redirección
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1392 |
ariadna |
268 |
unset($SESSION->loginerrormsg);
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269 |
unset($SESSION->logininfomsg);
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1401 |
ariadna |
270 |
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271 |
// Descartar loginredirect si estamos redirigiendo
|
1392 |
ariadna |
272 |
unset($SESSION->loginredirect);
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1391 |
ariadna |
273 |
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1401 |
ariadna |
274 |
// Configurar la URL de destino
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1398 |
ariadna |
275 |
$urltogo = $CFG->wwwroot . '/my';
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|
276 |
$SESSION->wantsurl = $urltogo;
|
1391 |
ariadna |
277 |
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1401 |
ariadna |
278 |
// Verificar que la sesión se haya iniciado correctamente
|
1398 |
ariadna |
279 |
if (isloggedin() && !isguestuser()) {
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1401 |
ariadna |
280 |
// Enviar respuesta exitosa con datos del usuario
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1409 |
ariadna |
281 |
// Instead of echoing JSON here and then redirecting (which is problematic),
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|
282 |
// we will just redirect. The browser will follow the redirect, and the
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|
283 |
// new session (with its cookie) will be active for the target page.
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|
284 |
/*
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1401 |
ariadna |
285 |
echo json_encode([
|
1398 |
ariadna |
286 |
'success' => true,
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|
287 |
'data' => [
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|
288 |
'userid' => $user->id,
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|
289 |
'username' => $user->username,
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|
290 |
'fullname' => fullname($user),
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|
291 |
'email' => $user->email,
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|
292 |
'redirect' => $urltogo
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293 |
]
|
1401 |
ariadna |
294 |
]);
|
1409 |
ariadna |
295 |
*/
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1401 |
ariadna |
296 |
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|
297 |
// Redirigir al usuario
|
1409 |
ariadna |
298 |
// redirect() will handle session_write_close(), send Location header, and exit.
|
1401 |
ariadna |
299 |
redirect($urltogo);
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|
300 |
} else {
|
1409 |
ariadna |
301 |
output_json_error('LOGIN_FAILED');
|
1399 |
ariadna |
302 |
}
|
1401 |
ariadna |
303 |
} else {
|
1409 |
ariadna |
304 |
output_json_error('USER_NOT_FOUND');
|
96 |
efrain |
305 |
}
|
1409 |
ariadna |
306 |
// The script should have exited by now either via output_json_error() or redirect().
|
|
|
307 |
exit; // Explicit exit here as a fallback, though not strictly necessary if all paths exit.
|