Files
espocrm/application/Espo/Core/Authentication/Logins/LDAP.php
Yuri Kuznetsov 2ecfdc2d4b exceptions
2022-06-24 11:06:01 +03:00

484 lines
14 KiB
PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014-2022 Yurii Kuznietsov, Taras Machyshyn, Oleksii 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\Authentication\Logins;
use Espo\Core\FieldProcessing\Relation\LinkMultipleSaver;
use Espo\Core\FieldProcessing\EmailAddress\Saver as EmailAddressSaver;
use Espo\Core\FieldProcessing\PhoneNumber\Saver as PhoneNumberSaver;
use Espo\Core\FieldProcessing\Saver\Params as SaverParams;
use Espo\Entities\User;
use Espo\Core\{
ORM\EntityManager,
Api\Request,
Utils\Config,
Utils\PasswordHash,
Utils\Language,
Utils\Log,
Authentication\Login,
Authentication\Login\Data,
Authentication\Result,
Authentication\LDAP\Utils as LDAPUtils,
Authentication\LDAP\Client as Client,
Authentication\LDAP\ClientFactory as ClientFactory,
Authentication\AuthToken\AuthToken,
Authentication\Result\FailReason,
};
use Exception;
class LDAP implements Login
{
private $utils;
/**
* @var ?Client
*/
private $client = null;
private bool $isPortal;
private Config $config;
private EntityManager $entityManager;
private PasswordHash $passwordHash;
private Language $language;
private Log $log;
private Espo $baseLogin;
private ClientFactory $clientFactory;
private LinkMultipleSaver $linkMultipleSaver;
private EmailAddressSaver $emailAddressSaver;
private PhoneNumberSaver $phoneNumberSaver;
public function __construct(
Config $config,
EntityManager $entityManager,
PasswordHash $passwordHash,
Language $defaultLanguage,
Log $log,
Espo $baseLogin,
ClientFactory $clientFactory,
LinkMultipleSaver $linkMultipleSaver,
EmailAddressSaver $emailAddressSaver,
PhoneNumberSaver $phoneNumberSaver,
bool $isPortal = false
) {
$this->config = $config;
$this->entityManager = $entityManager;
$this->passwordHash = $passwordHash;
$this->language = $defaultLanguage;
$this->log = $log;
$this->baseLogin = $baseLogin;
$this->clientFactory = $clientFactory;
$this->linkMultipleSaver = $linkMultipleSaver;
$this->emailAddressSaver = $emailAddressSaver;
$this->phoneNumberSaver = $phoneNumberSaver;
$this->isPortal = $isPortal;
$this->utils = new LDAPUtils($config);
}
/**
* @var array<string,string>
*/
private $ldapFieldMap = [
'userName' => 'userNameAttribute',
'firstName' => 'userFirstNameAttribute',
'lastName' => 'userLastNameAttribute',
'title' => 'userTitleAttribute',
'emailAddress' => 'userEmailAddressAttribute',
'phoneNumber' => 'userPhoneNumberAttribute',
];
/**
* @var array<string,string>
*/
private $userFieldMap = [
'teamsIds' => 'userTeamsIds',
'defaultTeamId' => 'userDefaultTeamId',
];
/**
* @var array<string,string>
*/
private $portalUserFieldMap = [
'portalsIds' => 'portalUserPortalsIds',
'portalRolesIds' => 'portalUserRolesIds',
];
public function login(Data $data, Request $request): Result
{
$username = $data->getUsername();
$password = $data->getPassword();
$authToken = $data->getAuthToken();
$isPortal = $this->isPortal;
if ($authToken) {
$user = $this->loginByToken($username, $authToken);
if ($user) {
return Result::success($user);
}
else {
return Result::fail(FailReason::WRONG_CREDENTIALS);
}
}
if (!$password || $username == '**logout') {
return Result::fail(FailReason::NO_PASSWORD);
}
if ($isPortal) {
$useLdapAuthForPortalUser = $this->utils->getOption('portalUserLdapAuth');
if (!$useLdapAuthForPortalUser) {
return $this->baseLogin->login($data, $request);
}
}
$ldapClient = $this->getLdapClient();
/* Login LDAP system user (ldapUsername, ldapPassword) */
try {
$ldapClient->bind();
}
catch (Exception $e) {
$options = $this->utils->getLdapClientOptions();
$this->log->error(
'LDAP: Could not connect to LDAP server [' . $options['host'] . '], details: ' . $e->getMessage()
);
/** @var string $username */
$adminUser = $this->adminLogin($username, $password);
if (!isset($adminUser)) {
return Result::fail();
}
$this->log->info('LDAP: Administrator [' . $username . '] was logged in by Espo method.');
}
$userDn = null;
if (!isset($adminUser)) {
/** @var string $username */
try {
$userDn = $this->findLdapUserDnByUsername($username);
}
catch (Exception $e) {
$this->log->error(
'Error while finding DN for [' . $username . '], details: ' . $e->getMessage() . '.'
);
}
if (!isset($userDn)) {
$this->log->error(
'LDAP: Authentication failed for user [' . $username . '], details: user is not found.'
);
$adminUser = $this->adminLogin($username, $password);
if (!isset($adminUser)) {
return Result::fail();
}
$this->log->info('LDAP: Administrator [' . $username . '] was logged in by Espo method.');
}
$this->log->debug('User [' . $username . '] is found with this DN ['.$userDn.'].');
try {
$ldapClient->bind($userDn, $password);
}
catch (Exception $e) {
$this->log->error(
'LDAP: Authentication failed for user [' . $username . '], details: ' . $e->getMessage()
);
return Result::fail();
}
}
$user = $this->entityManager
->getRDBRepository('User')
->where([
'userName' => $username,
'type!=' => ['api', 'system'],
])
->findOne();
if (!isset($user)) {
if (!$this->utils->getOption('createEspoUser')) {
$this->log->warning(
"LDAP: Authentication success for user {$username}, but user is not created in EspoCRM."
);
return Result::fail(FailReason::USER_NOT_FOUND);
}
/** @var string $userDn */
$userData = $ldapClient->getEntry($userDn);
$user = $this->createUser($userData, $isPortal);
}
if (!$user) {
return Result::fail();
}
return Result::success($user);
}
private function getLdapClient(): Client
{
if (!isset($this->client)) {
$options = $this->utils->getLdapClientOptions();
try {
$this->client = $this->clientFactory->create($options);
}
catch (Exception $e) {
$this->log->error('LDAP error: ' . $e->getMessage());
}
}
/** @var Client */
return $this->client;
}
/**
* Login by authorization token.
*/
private function loginByToken(?string $username, AuthToken $authToken = null): ?User
{
if (!isset($authToken) || $username === null) {
return null;
}
$userId = $authToken->getUserId();
$user = $this->entityManager->getEntity('User', $userId);
if (!$user) {
return null;
}
$tokenUsername = $user->get('userName');
if (strtolower($username) != strtolower($tokenUsername)) {
$ip = $_SERVER['REMOTE_ADDR'] ?? '';
$this->log->alert(
'Unauthorized access attempt for user [' . $username . '] from IP [' . $ip . ']'
);
return null;
}
/** @var ?User */
return $this->entityManager
->getRDBRepository('User')
->where([
'userName' => $username,
])
->findOne();
}
private function adminLogin(string $username, string $password): ?User
{
$hash = $this->passwordHash->hash($password);
return $this->entityManager
->getRDBRepository('User')
->where([
'userName' => $username,
'password' => $hash,
'type' => ['admin', 'super-admin'],
])
->findOne();
}
/**
* Create Espo user with data gets from LDAP server.
*
* @param array<string,mixed> $userData
*/
private function createUser(array $userData, bool $isPortal = false): ?User
{
$this->log->info('Creating new user...');
$data = [];
$this->log->debug('LDAP: user data: ' . print_r($userData, true));
$ldapFields = $this->loadFields('ldap');
foreach ($ldapFields as $espo => $ldap) {
$ldap = strtolower($ldap);
if (isset($userData[$ldap][0])) {
$this->log->debug('LDAP: Create a user with [' . $espo . '] = [' . $userData[$ldap][0] . '].');
$data[$espo] = $userData[$ldap][0];
}
}
if ($isPortal) {
$userFields = $this->loadFields('portalUser');
$userFields['type'] = 'portal';
}
else {
$userFields = $this->loadFields('user');
}
foreach ($userFields as $fieldName => $fieldValue) {
$data[$fieldName] = $fieldValue;
}
$user = $this->entityManager->getNewEntity('User');
$user->set($data);
$this->entityManager->saveEntity($user, [
// Prevent `user` service being loaded by hooks.
'skipHooks' => true,
'keepNew' => true,
]);
$saverParams = SaverParams::create()
->withRawOptions([
'skipLinkMultipleHooks' => true,
]);
$this->linkMultipleSaver->process($user, 'teams', $saverParams);
$this->linkMultipleSaver->process($user, 'portals', $saverParams);
$this->linkMultipleSaver->process($user, 'portalRoles', $saverParams);
$this->emailAddressSaver->process($user, $saverParams);
$this->phoneNumberSaver->process($user, $saverParams);
$user->setAsNotNew();
$user->updateFetchedValues();
return $this->entityManager->getEntity('User', $user->getId());
}
/**
* Find LDAP user DN by his username.
*
* @throws \Laminas\Ldap\Exception\LdapException
*/
private function findLdapUserDnByUsername(string $username): ?string
{
$ldapClient = $this->getLdapClient();
$options = $this->utils->getOptions();
$loginFilterString = '';
if (!empty($options['userLoginFilter'])) {
$loginFilterString = $this->convertToFilterFormat($options['userLoginFilter']);
}
$searchString =
'(&(objectClass=' . $options['userObjectClass'] . ')' .
'(' . $options['userNameAttribute'] . '=' . $username . ')' .
$loginFilterString . ')';
/** @var array<int,array{dn: string}> */
$result = $ldapClient->search($searchString, null, Client::SEARCH_SCOPE_SUB);
$this->log->debug('LDAP: user search string: "' . $searchString . '"');
foreach ($result as $item) {
return $item["dn"];
}
return null;
}
/**
* Check and convert filter item into LDAP format.
*/
private function convertToFilterFormat(string $filter): string
{
$filter = trim($filter);
if (substr($filter, 0, 1) != '(') {
$filter = '(' . $filter;
}
if (substr($filter, -1) != ')') {
$filter = $filter . ')';
}
return $filter;
}
/**
* Load fields for a user.
*
* @return array<string,mixed>
*/
private function loadFields(string $type): array
{
$options = $this->utils->getOptions();
$typeMap = $type . 'FieldMap';
$fields = [];
foreach ($this->$typeMap as $fieldName => $fieldValue) {
/** @var string $fieldName */
if (isset($options[$fieldValue])) {
$fields[$fieldName] = $options[$fieldValue];
}
}
return $fields;
}
}