102 lines
2.8 KiB
PHP
102 lines
2.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Webauthn;
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use function array_key_exists;
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use function is_string;
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use JsonSerializable;
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use ParagonIE\ConstantTime\Base64;
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use Symfony\Component\Uid\AbstractUid;
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use Symfony\Component\Uid\Uuid;
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use Webauthn\Exception\InvalidDataException;
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/**
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* @see https://www.w3.org/TR/webauthn/#sec-attested-credential-data
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*/
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class AttestedCredentialData implements JsonSerializable
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{
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public function __construct(
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private AbstractUid $aaguid,
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private readonly string $credentialId,
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private readonly ?string $credentialPublicKey
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) {
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}
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public function getAaguid(): AbstractUid
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{
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return $this->aaguid;
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}
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public function setAaguid(AbstractUid $aaguid): void
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{
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$this->aaguid = $aaguid;
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}
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public function getCredentialId(): string
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{
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return $this->credentialId;
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}
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public function getCredentialPublicKey(): ?string
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{
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return $this->credentialPublicKey;
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}
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/**
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* @param mixed[] $json
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*/
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public static function createFromArray(array $json): self
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{
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array_key_exists('aaguid', $json) || throw InvalidDataException::create(
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$json,
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'Invalid input. "aaguid" is missing.'
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);
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$aaguid = $json['aaguid'];
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is_string($aaguid) || throw InvalidDataException::create(
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$json,
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'Invalid input. "aaguid" shall be a string of 36 characters'
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);
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mb_strlen($aaguid, '8bit') === 36 || throw InvalidDataException::create(
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$json,
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'Invalid input. "aaguid" shall be a string of 36 characters'
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);
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$uuid = Uuid::fromString($aaguid);
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array_key_exists('credentialId', $json) || throw InvalidDataException::create(
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$json,
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'Invalid input. "credentialId" is missing.'
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);
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$credentialId = $json['credentialId'];
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is_string($credentialId) || throw InvalidDataException::create(
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$json,
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'Invalid input. "credentialId" shall be a string'
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);
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$credentialId = Base64::decode($credentialId, true);
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$credentialPublicKey = null;
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if (isset($json['credentialPublicKey'])) {
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$credentialPublicKey = Base64::decode($json['credentialPublicKey'], true);
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}
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return new self($uuid, $credentialId, $credentialPublicKey);
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}
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/**
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* @return mixed[]
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*/
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public function jsonSerialize(): array
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{
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$result = [
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'aaguid' => $this->aaguid->__toString(),
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'credentialId' => base64_encode($this->credentialId),
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];
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if ($this->credentialPublicKey !== null) {
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$result['credentialPublicKey'] = base64_encode($this->credentialPublicKey);
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}
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return $result;
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}
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}
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