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<?php |
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declare(strict_types=1); |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2018 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace U2FAuthentication\Fido; |
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use Base64Url\Base64Url; |
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class SignatureRequest implements \JsonSerializable |
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{ |
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/** |
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* @var string |
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*/ |
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private $applicationId; |
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/** |
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* @var string |
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*/ |
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private $challenge; |
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/** |
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* @var RegisteredKey[] |
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*/ |
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private $registeredKeys = []; |
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/** |
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* SignatureRequest constructor. |
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* |
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* @param string $applicationId |
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* @param RegisteredKey[] $registeredKeys |
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* |
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* @throws \Exception |
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*/ |
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private function __construct(string $applicationId, array $registeredKeys) |
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{ |
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$this->applicationId = $applicationId; |
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foreach ($registeredKeys as $registeredKey) { |
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if (!$registeredKey instanceof RegisteredKey) { |
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throw new \InvalidArgumentException('Invalid registered keys list.'); |
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} |
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$this->registeredKeys[Base64Url::encode($registeredKey->getKeyHandler())] = $registeredKey; |
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} |
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$this->challenge = random_bytes(32); |
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} |
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/** |
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* @param string $applicationId |
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* @param RegisteredKey[] $registeredKeys |
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* |
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* @throws \Exception |
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* |
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* @return SignatureRequest |
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*/ |
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public static function create(string $applicationId, array $registeredKeys): self |
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{ |
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return new self($applicationId, $registeredKeys); |
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} |
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/** |
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* @param RegisteredKey $registeredKey |
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*/ |
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public function addRegisteredKey(RegisteredKey $registeredKey): void |
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{ |
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$this->registeredKeys[Base64Url::encode($registeredKey->getKeyHandler())] = $registeredKey; |
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} |
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/** |
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* @param KeyHandle $keyHandle |
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* |
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* @return bool |
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*/ |
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public function hasRegisteredKey(KeyHandle $keyHandle): bool |
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{ |
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return array_key_exists(Base64Url::encode($keyHandle->getValue()), $this->registeredKeys); |
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} |
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/** |
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* @param KeyHandle $keyHandle |
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* |
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* @return RegisteredKey |
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*/ |
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public function getRegisteredKey(KeyHandle $keyHandle): RegisteredKey |
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{ |
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if (!$this->hasRegisteredKey($keyHandle)) { |
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throw new \InvalidArgumentException('Unsupported key handle.'); |
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} |
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return $this->registeredKeys[Base64Url::encode($keyHandle->getValue())]; |
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} |
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/** |
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* @return string |
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*/ |
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public function getApplicationId(): string |
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{ |
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return $this->applicationId; |
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} |
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/** |
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* @return string |
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*/ |
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public function getChallenge(): string |
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{ |
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return $this->challenge; |
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} |
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/** |
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* @return RegisteredKey[] |
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*/ |
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public function getRegisteredKeys(): array |
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{ |
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return $this->registeredKeys; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return [ |
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'appId' => $this->applicationId, |
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'challenge' => Base64Url::encode($this->challenge), |
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'registeredKeys' => array_values($this->registeredKeys), |
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]; |
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} |
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} |
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Spomky-Labs /
u2f-php
