timeFactory = $timeFactory; $this->mapper = $mapper; $this->secureRandom = $secureRandom; $this->logger = $logger; $this->userId = $userId; } /** * @NoAdminRequired * @UserRateThrottle(limit=10, period=120) * * Create a local editor * * @param string $path Path of the file * * @return DataResponse|DataResponse, array{}> * * 200: Local editor returned */ public function create(string $path): DataResponse { $pathHash = sha1($path); $entity = new OpenLocalEditor(); $entity->setUserId($this->userId); $entity->setPathHash($pathHash); $entity->setExpirationTime($this->timeFactory->getTime() + self::TOKEN_DURATION); // Expire in 10 minutes for ($i = 1; $i <= self::TOKEN_RETRIES; $i++) { $token = $this->secureRandom->generate(self::TOKEN_LENGTH, ISecureRandom::CHAR_ALPHANUMERIC); $entity->setToken($token); try { $this->mapper->insert($entity); return new DataResponse([ 'userId' => $this->userId, 'pathHash' => $pathHash, 'expirationTime' => $entity->getExpirationTime(), 'token' => $entity->getToken(), ]); } catch (Exception $e) { if ($e->getCode() !== Exception::REASON_UNIQUE_CONSTRAINT_VIOLATION) { // Only retry on unique constraint violation throw $e; } } } $this->logger->error('Giving up after ' . self::TOKEN_RETRIES . ' retries to generate a unique local editor token for path hash: ' . $pathHash); return new DataResponse([], Http::STATUS_INTERNAL_SERVER_ERROR); } /** * @NoAdminRequired * @BruteForceProtection(action=openLocalEditor) * * Validate a local editor * * @param string $path Path of the file * @param string $token Token of the local editor * * @return DataResponse|DataResponse, array{}> * * 200: Local editor validated successfully * 404: Local editor not found */ public function validate(string $path, string $token): DataResponse { $pathHash = sha1($path); try { $entity = $this->mapper->verifyToken($this->userId, $pathHash, $token); } catch (DoesNotExistException $e) { $response = new DataResponse([], Http::STATUS_NOT_FOUND); $response->throttle(['userId' => $this->userId, 'pathHash' => $pathHash]); return $response; } $this->mapper->delete($entity); if ($entity->getExpirationTime() <= $this->timeFactory->getTime()) { $response = new DataResponse([], Http::STATUS_NOT_FOUND); $response->throttle(['userId' => $this->userId, 'pathHash' => $pathHash]); return $response; } return new DataResponse([ 'userId' => $this->userId, 'pathHash' => $pathHash, 'expirationTime' => $entity->getExpirationTime(), 'token' => $entity->getToken(), ]); } }