diff options
Diffstat (limited to 'lib/private/Security/IdentityProof/Manager.php')
| -rw-r--r-- | lib/private/Security/IdentityProof/Manager.php | 130 |
1 files changed, 75 insertions, 55 deletions
diff --git a/lib/private/Security/IdentityProof/Manager.php b/lib/private/Security/IdentityProof/Manager.php index c92d7390969..c16b8314beb 100644 --- a/lib/private/Security/IdentityProof/Manager.php +++ b/lib/private/Security/IdentityProof/Manager.php @@ -3,75 +3,55 @@ declare(strict_types=1); /** - * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch> - * - * @author Bjoern Schiessle <bjoern@schiessle.org> - * @author Christoph Wurst <christoph@winzerhof-wurst.at> - * @author Joas Schilling <coding@schilljs.com> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * - * @license GNU AGPL version 3 or any later version - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * This program 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * + * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors + * SPDX-License-Identifier: AGPL-3.0-or-later */ namespace OC\Security\IdentityProof; use OC\Files\AppData\Factory; use OCP\Files\IAppData; +use OCP\Files\NotFoundException; +use OCP\ICache; +use OCP\ICacheFactory; use OCP\IConfig; use OCP\IUser; use OCP\Security\ICrypto; use Psr\Log\LoggerInterface; class Manager { - /** @var IAppData */ - private $appData; - /** @var ICrypto */ - private $crypto; - /** @var IConfig */ - private $config; - private LoggerInterface $logger; - - public function __construct(Factory $appDataFactory, - ICrypto $crypto, - IConfig $config, - LoggerInterface $logger + private IAppData $appData; + + protected ICache $cache; + + public function __construct( + Factory $appDataFactory, + private ICrypto $crypto, + private IConfig $config, + private LoggerInterface $logger, + private ICacheFactory $cacheFactory, ) { $this->appData = $appDataFactory->get('identityproof'); - $this->crypto = $crypto; - $this->config = $config; - $this->logger = $logger; + $this->cache = $this->cacheFactory->createDistributed('identityproof::'); } /** * Calls the openssl functions to generate a public and private key. * In a separate function for unit testing purposes. * + * @param array $options config options to generate key {@see openssl_csr_new} + * * @return array [$publicKey, $privateKey] * @throws \RuntimeException */ - protected function generateKeyPair(): array { + protected function generateKeyPair(array $options = []): array { $config = [ - 'digest_alg' => 'sha512', - 'private_key_bits' => 2048, + 'digest_alg' => $options['algorithm'] ?? 'sha512', + 'private_key_bits' => $options['bits'] ?? 2048, + 'private_key_type' => $options['type'] ?? OPENSSL_KEYTYPE_RSA, ]; // Generate new key $res = openssl_pkey_new($config); - if ($res === false) { $this->logOpensslError(); throw new \RuntimeException('OpenSSL reported a problem'); @@ -94,16 +74,17 @@ class Manager { * Note: If a key already exists it will be overwritten * * @param string $id key id - * @return Key + * @param array $options config options to generate key {@see openssl_csr_new} + * * @throws \RuntimeException */ - protected function generateKey(string $id): Key { - [$publicKey, $privateKey] = $this->generateKeyPair(); + protected function generateKey(string $id, array $options = []): Key { + [$publicKey, $privateKey] = $this->generateKeyPair($options); // Write the private and public key to the disk try { $this->appData->newFolder($id); - } catch (\Exception $e) { + } catch (\Exception) { } $folder = $this->appData->getFolder($id); $folder->newFile('private') @@ -117,18 +98,28 @@ class Manager { /** * Get key for a specific id * - * @param string $id - * @return Key * @throws \RuntimeException */ protected function retrieveKey(string $id): Key { try { + $cachedPublicKey = $this->cache->get($id . '-public'); + $cachedPrivateKey = $this->cache->get($id . '-private'); + + if ($cachedPublicKey !== null && $cachedPrivateKey !== null) { + $decryptedPrivateKey = $this->crypto->decrypt($cachedPrivateKey); + + return new Key($cachedPublicKey, $decryptedPrivateKey); + } + $folder = $this->appData->getFolder($id); - $privateKey = $this->crypto->decrypt( - $folder->getFile('private')->getContent() - ); + $privateKey = $folder->getFile('private')->getContent(); $publicKey = $folder->getFile('public')->getContent(); - return new Key($publicKey, $privateKey); + + $this->cache->set($id . '-public', $publicKey); + $this->cache->set($id . '-private', $privateKey); + + $decryptedPrivateKey = $this->crypto->decrypt($privateKey); + return new Key($publicKey, $decryptedPrivateKey); } catch (\Exception $e) { return $this->generateKey($id); } @@ -137,8 +128,6 @@ class Manager { /** * Get public and private key for $user * - * @param IUser $user - * @return Key * @throws \RuntimeException */ public function getKey(IUser $user): Key { @@ -149,7 +138,6 @@ class Manager { /** * Get instance wide public and private key * - * @return Key * @throws \RuntimeException */ public function getSystemKey(): Key { @@ -160,6 +148,38 @@ class Manager { return $this->retrieveKey('system-' . $instanceId); } + public function hasAppKey(string $app, string $name): bool { + $id = $this->generateAppKeyId($app, $name); + try { + $folder = $this->appData->getFolder($id); + return ($folder->fileExists('public') && $folder->fileExists('private')); + } catch (NotFoundException) { + return false; + } + } + + public function getAppKey(string $app, string $name): Key { + return $this->retrieveKey($this->generateAppKeyId($app, $name)); + } + + public function generateAppKey(string $app, string $name, array $options = []): Key { + return $this->generateKey($this->generateAppKeyId($app, $name), $options); + } + + public function deleteAppKey(string $app, string $name): bool { + try { + $folder = $this->appData->getFolder($this->generateAppKeyId($app, $name)); + $folder->delete(); + return true; + } catch (NotFoundException) { + return false; + } + } + + private function generateAppKeyId(string $app, string $name): string { + return 'app-' . $app . '-' . $name; + } + private function logOpensslError(): void { $errors = []; while ($error = openssl_error_string()) { |