Files
espocrm/application/Espo/Core/Utils/Auth.php
2020-05-07 09:47:25 +03:00

505 lines
17 KiB
PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
* Website: https://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\Core\Utils;
use \Espo\Core\Exceptions\Error;
use \Espo\Core\Exceptions\Forbidden;
use \Espo\Entities\Portal;
class Auth
{
protected $container;
protected $allowAnyAccess;
const ACCESS_CRM_ONLY = 0;
const ACCESS_PORTAL_ONLY = 1;
const ACCESS_ANY = 3;
const FAILED_ATTEMPTS_PERIOD = '60 seconds';
const MAX_FAILED_ATTEMPT_NUMBER = 10;
private $portal;
const STATUS_SUCCESS = 'success';
const STATUS_SECOND_STEP_REQUIRED = 'secondStepRequired';
public function __construct(\Espo\Core\Container $container, $allowAnyAccess = false)
{
$this->container = $container;
$this->allowAnyAccess = $allowAnyAccess;
$this->request = $container->get('slim')->request();
}
protected function getContainer()
{
return $this->container;
}
protected function getDefaultAuthenticationMethod()
{
return $this->getConfig()->get('authenticationMethod', 'Espo');
}
protected function getAuthenticationImpl(string $method) : \Espo\Core\Utils\Authentication\Base
{
return $this->getContainer()->get('authenticationFactory')->create($method);
}
protected function get2FAImpl(string $method) : \Espo\Core\Utils\Authentication\TwoFA\Base
{
$className = $this->getMetadata()->get([
'app', 'auth2FAMethods', $method, 'implementationClassName'
]);
if (!$className) {
$sanitizedName = preg_replace('/[^a-zA-Z0-9]+/', '', $method);
$className = "\\Espo\\Custom\\Core\\Utils\\Authentication\\TwoFA\\" . $sanitizedName;
if (!class_exists($className)) {
$className = "\\Espo\\Core\\Utils\\Authentication\\TwoFA\\" . $sanitizedName;
}
}
return $this->getContainer()->get('injectableFactory')->createByClassName($className);
}
protected function setPortal(Portal $portal)
{
$this->portal = $portal;
}
protected function isPortal()
{
if ($this->portal) {
return true;
}
return !!$this->getContainer()->get('portal');
}
protected function getPortal()
{
if ($this->portal) {
return $this->portal;
}
return $this->getContainer()->get('portal');
}
protected function getConfig()
{
return $this->getContainer()->get('config');
}
protected function getEntityManager()
{
return $this->getContainer()->get('entityManager');
}
protected function getMetadata()
{
return $this->getContainer()->get('metadata');
}
public function useNoAuth()
{
$entityManager = $this->getContainer()->get('entityManager');
$user = $entityManager->getRepository('User')->get('system');
if (!$user) {
throw new Error("System user is not found");
}
$user->set('isAdmin', true);
$user->set('ipAddress', $_SERVER['REMOTE_ADDR']);
$entityManager->setUser($user);
$this->getContainer()->setUser($user);
}
public function login($username, $password = null, $authenticationMethod = null)
{
$isByTokenOnly = false;
if (!$authenticationMethod) {
if ($this->request->headers->get('Http-Espo-Authorization-By-Token') === 'true') {
$isByTokenOnly = true;
}
}
$createTokenSecret = $this->request->headers->get('Espo-Authorization-Create-Token-Secret') === 'true';
if ($createTokenSecret) {
if ($this->getConfig()->get('authTokenSecretDisabled')) {
$createTokenSecret = false;
}
}
if (!$isByTokenOnly) {
$this->checkFailedAttemptsLimit($username);
}
$authToken = null;
$authTokenIsFound = false;
if (!$authenticationMethod) {
$authToken = $this->getEntityManager()->getRepository('AuthToken')->where([
'token' => $password
])->findOne();
if ($authToken) {
if ($authToken->get('secret')) {
$sentSecret = $_COOKIE['auth-token-secret'] ?? null;
if ($sentSecret !== $authToken->get('secret')) {
$authToken = null;
}
}
}
}
if ($authToken) {
$authTokenIsFound = true;
}
if ($authToken && $authToken->get('isActive')) {
if (!$this->allowAnyAccess) {
if ($this->isPortal() && $authToken->get('portalId') !== $this->getPortal()->id) {
$GLOBALS['log']->info("AUTH: Trying to login to portal with a token not related to portal.");
return;
}
if (!$this->isPortal() && $authToken->get('portalId')) {
$GLOBALS['log']->info("AUTH: Trying to login to crm with a token related to portal.");
return;
}
}
if ($this->allowAnyAccess) {
if ($authToken->get('portalId') && !$this->isPortal()) {
$portal = $this->getEntityManager()->getEntity('Portal', $authToken->get('portalId'));
if ($portal) {
$this->setPortal($portal);
}
}
}
} else {
$authToken = null;
}
if ($isByTokenOnly && !$authToken) {
$GLOBALS['log']->info("AUTH: Trying to login as user '{$username}' by token but token is not found.");
return;
}
if (!$authenticationMethod) {
$authenticationMethod = $this->getDefaultAuthenticationMethod();
}
$authenticationImpl = $this->getAuthenticationImpl($authenticationMethod);
$params = [
'isPortal' => $this->isPortal(),
];
$loginResultData = [];
$user = $authenticationImpl->login($username, $password, $authToken, $params, $this->request, $loginResultData);
$authLogRecord = null;
if (!$authTokenIsFound) {
$authLogRecord = $this->createAuthLogRecord($username, $user, $authenticationMethod);
}
if (!$user) {
return;
}
if (!$user->isAdmin() && $this->getConfig()->get('maintenanceMode')) {
throw new \Espo\Core\Exceptions\ServiceUnavailable("Application is in maintenance mode.");
}
if (!$user->isActive()) {
$GLOBALS['log']->info("AUTH: Trying to login as user '".$user->get('userName')."' which is not active.");
$this->logDenied($authLogRecord, 'INACTIVE_USER');
return;
}
if (!$user->isAdmin() && !$this->isPortal() && $user->isPortal()) {
$GLOBALS['log']->info("AUTH: Trying to login to crm as a portal user '".$user->get('userName')."'.");
$this->logDenied($authLogRecord, 'IS_PORTAL_USER');
return;
}
if ($this->isPortal() && !$user->isPortal()) {
$GLOBALS['log']->info("AUTH: Trying to login to portal as user '".$user->get('userName')."' which is not portal user.");
$this->logDenied($authLogRecord, 'IS_NOT_PORTAL_USER');
return;
}
if ($this->isPortal()) {
if (!$this->getEntityManager()->getRepository('Portal')->isRelated($this->getPortal(), 'users', $user)) {
$GLOBALS['log']->info("AUTH: Trying to login to portal as user '".$user->get('userName')."' which is portal user but does not belongs to portal.");
$this->logDenied($authLogRecord, 'USER_IS_NOT_IN_PORTAL');
return;
}
$user->set('portalId', $this->getPortal()->id);
} else {
$user->loadLinkMultipleField('teams');
}
$user->set('ipAddress', $_SERVER['REMOTE_ADDR']);
$this->getEntityManager()->setUser($user);
$this->getContainer()->setUser($user);
$secondStepRequired = false;
if (!$authToken && $this->getConfig()->get('auth2FA')) {
$twoFAMethod = $this->getUser2FAMethod($user);
if ($twoFAMethod) {
$twoFAImpl = $this->get2FAImpl($twoFAMethod);
$twoFACode = $this->request->headers->get('Espo-Authorization-Code');
if ($twoFACode) {
if (!$twoFAImpl->verifyCode($user, $twoFACode)) {
return;
}
} else {
$loginResultData = $twoFAImpl->getLoginData($user);
$secondStepRequired = true;
}
}
}
if (!$secondStepRequired) {
$secondStepRequired = $loginResultData['secondStepRequired'] ?? false;
}
if (!$secondStepRequired && $this->request->headers->get('Http-Espo-Authorization')) {
if (!$authToken) {
$authToken = $this->getEntityManager()->getEntity('AuthToken');
$token = $this->generateToken();
$authToken->set('token', $token);
$authToken->set('hash', $user->get('password'));
$authToken->set('ipAddress', $_SERVER['REMOTE_ADDR']);
$authToken->set('userId', $user->id);
if ($createTokenSecret) {
$secret = $this->generateToken();
$authToken->set('secret', $secret);
$this->setSecretInCookie($secret);
}
if ($this->isPortal()) {
$authToken->set('portalId', $this->getPortal()->id);
}
if ($this->getConfig()->get('authTokenPreventConcurrent')) {
$concurrentAuthTokenList = $this->getEntityManager()->getRepository('AuthToken')->select(['id'])->where([
'userId' => $user->id,
'isActive' => true,
])->find();
foreach ($concurrentAuthTokenList as $concurrentAuthToken) {
$concurrentAuthToken->set('isActive', false);
$this->getEntityManager()->saveEntity($concurrentAuthToken);
}
}
}
$authToken->set('lastAccess', date('Y-m-d H:i:s'));
$this->getEntityManager()->saveEntity($authToken);
$user->set('token', $authToken->get('token'));
$user->set('authTokenId', $authToken->id);
if ($authLogRecord) {
$authLogRecord->set('authTokenId', $authToken->id);
}
}
if ($authLogRecord) {
$this->getEntityManager()->saveEntity($authLogRecord);
}
if ($authToken && !$authLogRecord) {
$authLogRecord = $this->getEntityManager()->getRepository('AuthLogRecord')->select(['id'])->where([
'authTokenId' => $authToken->id
])->order('requestTime', true)->findOne();
}
if ($authLogRecord) {
$user->set('authLogRecordId', $authLogRecord->id);
}
if ($secondStepRequired) {
return [
'status' => self::STATUS_SECOND_STEP_REQUIRED,
'message' => $loginResultData['message'] ?? null,
'token' => $loginResultData['token'] ?? null,
'view' => $loginResultData['view'] ?? null,
];
}
return [
'status' => self::STATUS_SUCCESS,
];
}
protected function getUser2FAMethod(\Espo\Entities\User $user) : ?string
{
$userData = $this->getEntityManager()->getRepository('UserData')->getByUserId($user->id);
if (!$userData) return null;
if (!$userData->get('auth2FA')) return null;
$method = $userData->get('auth2FAMethod');
if (!$method) return null;
if (!in_array($method, $this->getConfig()->get('auth2FAMethodList', []))) return null;
return $method;
}
protected function checkFailedAttemptsLimit($username = null)
{
$failedAttemptsPeriod = $this->getConfig()->get('authFailedAttemptsPeriod', self::FAILED_ATTEMPTS_PERIOD);
$maxFailedAttempts = $this->getConfig()->get('authMaxFailedAttemptNumber', self::MAX_FAILED_ATTEMPT_NUMBER);
$requestTimeFrom = (new \DateTime('@' . intval($_SERVER['REQUEST_TIME_FLOAT'])))->modify('-' . $failedAttemptsPeriod);
$failAttemptCount = 0;
$where = [
'requestTime>' => $requestTimeFrom->format('U'),
'ipAddress' => $_SERVER['REMOTE_ADDR'],
'isDenied' => true,
];
$wasFailed = !!$this->getEntityManager()->getRepository('AuthLogRecord')->select(['id'])->where($where)->findOne();
if ($wasFailed) {
$failAttemptCount = $this->getEntityManager()->getRepository('AuthLogRecord')->where($where)->count();
}
if ($failAttemptCount > $maxFailedAttempts) {
$GLOBALS['log']->warning("AUTH: Max failed login attempts exceeded for IP '".$_SERVER['REMOTE_ADDR']."'.");
throw new Forbidden("Max failed login attempts exceeded.");
}
}
protected function generateToken()
{
$length = 16;
if (function_exists('random_bytes')) {
return bin2hex(random_bytes($length));
}
if (function_exists('mcrypt_create_iv')) {
return bin2hex(mcrypt_create_iv($length, \MCRYPT_DEV_URANDOM));
}
if (function_exists('openssl_random_pseudo_bytes')) {
return bin2hex(openssl_random_pseudo_bytes($length));
}
}
public function destroyAuthToken($token)
{
$authToken = $this->getEntityManager()->getRepository('AuthToken')->select(['id', 'isActive', 'secret'])->where(['token' => $token])->findOne();
if ($authToken) {
$authToken->set('isActive', false);
$this->getEntityManager()->saveEntity($authToken);
if ($authToken->get('secret')) {
$sentSecret = $_COOKIE['auth-token-secret'] ?? null;
if ($sentSecret === $authToken->get('secret')) {
setcookie('auth-token-secret', null, -1, '/');
}
}
return true;
}
}
protected function createAuthLogRecord($username, $user, $authenticationMethod = null)
{
if ($username === '**logout') return;
$authLogRecord = $this->getEntityManager()->getEntity('AuthLogRecord');
$authLogRecord->set([
'username' => $username,
'ipAddress' => $_SERVER['REMOTE_ADDR'],
'requestTime' => $_SERVER['REQUEST_TIME_FLOAT'],
'requestMethod' => $this->request->getMethod(),
'requestUrl' => $this->request->getUrl() . $this->request->getPath(),
'authenticationMethod' => $authenticationMethod
]);
if ($this->isPortal()) {
$authLogRecord->set('portalId', $this->getPortal()->id);
}
if ($user) {
$authLogRecord->set('userId', $user->id);
} else {
$authLogRecord->set('isDenied', true);
$authLogRecord->set('denialReason', 'CREDENTIALS');
$this->getEntityManager()->saveEntity($authLogRecord);
}
return $authLogRecord;
}
protected function logDenied($authLogRecord, $denialReason)
{
if (!$authLogRecord) return;
$authLogRecord->set('denialReason', $denialReason);
$this->getEntityManager()->saveEntity($authLogRecord);
}
protected function setSecretInCookie(string $secret)
{
if (version_compare(\PHP_VERSION, '7.3.0') < 0) {
setcookie('auth-token-secret', $secret, strtotime('+1000 days'), '/', '', false, true);
return;
}
setcookie('auth-token-secret', $secret, [
'expires' => strtotime('+1000 days'),
'path' => '/',
'httponly' => true,
'samesite' => 'Lax',
]);
}
}