142 lines
4.9 KiB
PHP
142 lines
4.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Files_External\Lib\Auth\Password;
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use OCA\Files_External\Lib\Auth\AuthMechanism;
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use OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException;
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use OCA\Files_External\Lib\StorageConfig;
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use OCA\Files_External\Listener\StorePasswordListener;
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use OCP\Authentication\Exceptions\CredentialsUnavailableException;
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use OCP\Authentication\LoginCredentials\IStore as CredentialsStore;
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use OCP\EventDispatcher\IEventDispatcher;
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use OCP\IL10N;
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use OCP\ISession;
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use OCP\IUser;
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use OCP\IUserBackend;
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use OCP\LDAP\ILDAPProviderFactory;
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use OCP\Security\ICredentialsManager;
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use OCP\User\Events\PasswordUpdatedEvent;
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use OCP\User\Events\UserLoggedInEvent;
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/**
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* Username and password from login credentials, saved in DB
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*/
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class LoginCredentials extends AuthMechanism {
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public const CREDENTIALS_IDENTIFIER = 'password::logincredentials/credentials';
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/** @var ISession */
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protected $session;
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/** @var ICredentialsManager */
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protected $credentialsManager;
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/** @var CredentialsStore */
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private $credentialsStore;
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/** @var ILDAPProviderFactory */
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private $ldapFactory;
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public function __construct(
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IL10N $l,
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ISession $session,
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ICredentialsManager $credentialsManager,
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CredentialsStore $credentialsStore,
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IEventDispatcher $eventDispatcher,
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ILDAPProviderFactory $ldapFactory
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) {
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$this->session = $session;
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$this->credentialsManager = $credentialsManager;
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$this->credentialsStore = $credentialsStore;
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$this->ldapFactory = $ldapFactory;
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$this
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->setIdentifier('password::logincredentials')
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->setScheme(self::SCHEME_PASSWORD)
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->setText($l->t('Log-in credentials, save in database'))
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->addParameters([
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]);
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$eventDispatcher->addServiceListener(UserLoggedInEvent::class, StorePasswordListener::class);
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$eventDispatcher->addServiceListener(PasswordUpdatedEvent::class, StorePasswordListener::class);
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}
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private function getCredentials(IUser $user): array {
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$credentials = $this->credentialsManager->retrieve($user->getUID(), self::CREDENTIALS_IDENTIFIER);
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if (is_null($credentials)) {
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// nothing saved in db, try to get it from the session and save it
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try {
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$sessionCredentials = $this->credentialsStore->getLoginCredentials();
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if ($sessionCredentials->getUID() !== $user->getUID()) {
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// Can't take the credentials from the session as they are not the same user
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throw new CredentialsUnavailableException();
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}
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$credentials = [
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'user' => $sessionCredentials->getLoginName(),
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'password' => $sessionCredentials->getPassword(),
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];
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$this->credentialsManager->store($user->getUID(), self::CREDENTIALS_IDENTIFIER, $credentials);
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} catch (CredentialsUnavailableException $e) {
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throw new InsufficientDataForMeaningfulAnswerException('No login credentials saved');
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}
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}
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return $credentials;
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}
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public function manipulateStorageConfig(StorageConfig &$storage, IUser $user = null) {
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if (!isset($user)) {
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throw new InsufficientDataForMeaningfulAnswerException('No login credentials saved');
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}
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$credentials = $this->getCredentials($user);
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$loginKey = $storage->getBackendOption("login_ldap_attr");
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if ($loginKey) {
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$backend = $user->getBackend();
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if ($backend instanceof IUserBackend && $backend->getBackendName() === 'LDAP') {
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$value = $this->getLdapPropertyForUser($user, $loginKey);
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if ($value === null) {
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throw new InsufficientDataForMeaningfulAnswerException('Custom ldap attribute not set for user ' . $user->getUID());
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}
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$storage->setBackendOption('user', $value);
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} else {
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throw new InsufficientDataForMeaningfulAnswerException('Custom ldap attribute configured but user ' . $user->getUID() . ' is not an ldap user');
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}
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} else {
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$storage->setBackendOption('user', $credentials['user']);
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}
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$storage->setBackendOption('password', $credentials['password']);
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}
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private function getLdapPropertyForUser(IUser $user, string $property): ?string {
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return $this->ldapFactory->getLDAPProvider()->getUserAttribute($user->getUID(), $property);
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}
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}
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