139 lines
3.6 KiB
PHP
139 lines
3.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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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 OC\Security;
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use OCP\IDBConnection;
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use OCP\Security\ICredentialsManager;
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use OCP\Security\ICrypto;
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/**
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* Store and retrieve credentials for external services
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*
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* @package OC\Security
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*/
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class CredentialsManager implements ICredentialsManager {
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public const DB_TABLE = 'storages_credentials';
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/** @var ICrypto */
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protected $crypto;
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/** @var IDBConnection */
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protected $dbConnection;
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/**
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* @param ICrypto $crypto
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* @param IDBConnection $dbConnection
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*/
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public function __construct(ICrypto $crypto, IDBConnection $dbConnection) {
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$this->crypto = $crypto;
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$this->dbConnection = $dbConnection;
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}
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/**
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* Store a set of credentials
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*
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* @param string $userId empty string for system-wide credentials
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* @param string $identifier
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* @param mixed $credentials
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*/
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public function store($userId, $identifier, $credentials) {
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$value = $this->crypto->encrypt(json_encode($credentials));
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$this->dbConnection->setValues(self::DB_TABLE, [
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'user' => (string)$userId,
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'identifier' => $identifier,
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], [
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'credentials' => $value,
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]);
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}
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/**
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* Retrieve a set of credentials
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*
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* @param string $userId empty string for system-wide credentials
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* @param string $identifier
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* @return mixed
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*/
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public function retrieve($userId, $identifier) {
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$qb = $this->dbConnection->getQueryBuilder();
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$qb->select('credentials')
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->from(self::DB_TABLE)
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->where($qb->expr()->eq('identifier', $qb->createNamedParameter($identifier)));
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if ($userId === '') {
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$qb->andWhere($qb->expr()->emptyString('user'));
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} else {
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$qb->andWhere($qb->expr()->eq('user', $qb->createNamedParameter((string)$userId)));
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}
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$qResult = $qb->execute();
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$result = $qResult->fetch();
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$qResult->closeCursor();
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if (!$result) {
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return null;
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}
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$value = $result['credentials'];
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return json_decode($this->crypto->decrypt($value), true);
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}
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/**
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* Delete a set of credentials
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*
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* @param string $userId empty string for system-wide credentials
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* @param string $identifier
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* @return int rows removed
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*/
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public function delete($userId, $identifier) {
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$qb = $this->dbConnection->getQueryBuilder();
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$qb->delete(self::DB_TABLE)
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->where($qb->expr()->eq('identifier', $qb->createNamedParameter($identifier)));
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if ($userId === '') {
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$qb->andWhere($qb->expr()->emptyString('user'));
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} else {
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$qb->andWhere($qb->expr()->eq('user', $qb->createNamedParameter((string)$userId)));
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}
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return $qb->execute();
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}
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/**
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* Erase all credentials stored for a user
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*
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* @param string $userId
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* @return int rows removed
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*/
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public function erase($userId) {
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$qb = $this->dbConnection->getQueryBuilder();
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$qb->delete(self::DB_TABLE)
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->where($qb->expr()->eq('user', $qb->createNamedParameter($userId)))
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;
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return $qb->execute();
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}
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}
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