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<?php |
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namespace MadWizard\WebAuthn\Metadata\Statement; |
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use DateTimeImmutable; |
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use MadWizard\WebAuthn\Attestation\Identifier\Aaguid; |
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use MadWizard\WebAuthn\Attestation\Identifier\Aaid; |
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use MadWizard\WebAuthn\Attestation\Identifier\AttestationKeyIdentifier; |
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use MadWizard\WebAuthn\Attestation\Identifier\IdentifierInterface; |
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use MadWizard\WebAuthn\Exception\DataValidationException; |
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use MadWizard\WebAuthn\Exception\ParseException; |
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use MadWizard\WebAuthn\Exception\VerificationException; |
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use MadWizard\WebAuthn\Format\ByteBuffer; |
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use MadWizard\WebAuthn\Format\DataValidator; |
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use MadWizard\WebAuthn\Format\SerializableTrait; |
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use Serializable; |
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class MetadataToc implements Serializable |
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{ |
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use SerializableTrait; |
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/** |
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* @var DateTimeImmutable |
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*/ |
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private $nextUpdate; |
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/** |
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* @var array |
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*/ |
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private $index = []; |
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public static function fromJson(array $json): self |
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{ |
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try { |
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DataValidator::checkArray($json, [ |
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'nextUpdate' => 'string', |
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'entries' => 'array', |
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], false); |
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} catch (DataValidationException $e) { |
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throw new VerificationException(sprintf('Unexpected or missing entries in MDS: %s.', $e->getMessage()), 0, $e); |
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} |
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$toc = new self(); |
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$toc->nextUpdate = new DateTimeImmutable($json['nextUpdate']); // TODO validate date? |
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foreach ($json['entries'] as $entry) { |
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if (!is_array($entry)) { |
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continue; |
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} |
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if (is_string($entry['aaguid'] ?? false)) { |
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$toc->index[Aaguid::TYPE][strtolower($entry['aaguid'])] = $entry; |
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} |
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if (is_string($entry['aaid'] ?? false)) { |
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$toc->index[Aaid::TYPE][strtoupper($entry['aaid'])] = $entry; |
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} |
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if (is_array($entry['attestationCertificateKeyIdentifiers'] ?? false)) { |
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foreach ($entry['attestationCertificateKeyIdentifiers'] as $id) { |
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if (is_string($id)) { |
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$toc->index[AttestationKeyIdentifier::TYPE][strtolower($id)] = $entry; |
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} |
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} |
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} |
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} |
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return $toc; |
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} |
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public function getNextUpdate(): DateTimeImmutable |
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{ |
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return $this->nextUpdate; |
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} |
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public function findItem(IdentifierInterface $identifier): ?TocItem |
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{ |
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$entry = $this->index[$identifier->getType()][$identifier->toString()] ?? null; |
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if ($entry === null) { |
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return null; |
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} |
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DataValidator::checkArray($entry, [ |
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'url' => '?string', |
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'hash' => '?string', |
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'statusReports' => '?array', |
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], false); |
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$statusReports = array_map(function ($item) { |
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if (!is_array($item)) { |
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throw new ParseException('Invalid status report.'); |
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} |
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return StatusReport::fromArray($item); |
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}, $entry['statusReports']); |
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return new TocItem( |
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$identifier, |
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$entry['hash'] === null ? null : ByteBuffer::fromBase64Url($entry['hash']), |
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$entry['url'], |
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$statusReports |
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); |
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} |
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public function __serialize(): array |
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{ |
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return [ |
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'nextUpdate' => $this->nextUpdate, |
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'index' => $this->index, |
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]; |
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} |
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public function __unserialize(array $serialized): void |
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{ |
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$this->nextUpdate = $serialized['nextUpdate']; |
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$this->index = $serialized['index']; |
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} |
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} |
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madwizard-org /
webauthn-server
