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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupBundle\Service\SmsSecondFactor; |
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use DateInterval; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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final class SessionSmsVerificationStateHandler implements SmsVerificationStateHandler |
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{ |
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/** |
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* @var SessionInterface |
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*/ |
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private $session; |
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/** |
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* @var string |
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*/ |
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private $sessionKey; |
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/** |
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* @var DateInterval |
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*/ |
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private $otpExpiryInterval; |
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/** |
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* @var int |
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*/ |
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private $otpRequestMaximum; |
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/** |
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* @param SessionInterface $session |
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* @param string $sessionKey |
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* @param int $otpExpiryInterval OTP's expiry interval in seconds |
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* @param int $otpRequestMaximum |
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*/ |
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public function __construct( |
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SessionInterface $session, |
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$sessionKey, |
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$otpExpiryInterval, |
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$otpRequestMaximum |
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) { |
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$this->session = $session; |
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$this->sessionKey = $sessionKey; |
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$this->otpExpiryInterval = new DateInterval(sprintf('PT%dS', $otpExpiryInterval)); |
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$this->otpRequestMaximum = $otpRequestMaximum; |
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} |
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public function hasState() |
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{ |
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return $this->session->has($this->sessionKey); |
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} |
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public function clearState() |
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{ |
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$this->session->remove($this->sessionKey); |
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} |
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public function requestNewOtp($phoneNumber) |
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{ |
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/** @var SmsVerificationState|null $state */ |
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$state = $this->session->get($this->sessionKey); |
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if (!$state) { |
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$state = new SmsVerificationState($this->otpExpiryInterval, $this->otpRequestMaximum); |
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$this->session->set($this->sessionKey, $state); |
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} |
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return $state->requestNewOtp($phoneNumber); |
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} |
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public function getOtpRequestsRemainingCount() |
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{ |
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/** @var SmsVerificationState|null $state */ |
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$state = $this->session->get($this->sessionKey); |
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return $state ? $state->getOtpRequestsRemainingCount() : $this->otpRequestMaximum; |
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} |
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public function getMaximumOtpRequestsCount() |
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{ |
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return $this->otpRequestMaximum; |
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} |
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public function verify($otp) |
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{ |
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/** @var SmsVerificationState|null $state */ |
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$state = $this->session->get($this->sessionKey); |
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if (!$state) { |
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return OtpVerification::matchExpired(); |
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} |
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$verification = $state->verify($otp); |
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if ($verification->wasSuccessful()) { |
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$this->session->remove($this->sessionKey); |
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} |
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return $verification; |
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} |
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} |
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