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<?php |
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namespace MadWizard\WebAuthn\Dom; |
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use MadWizard\WebAuthn\Exception\ParseException; |
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use MadWizard\WebAuthn\Exception\WebAuthnException; |
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use function json_last_error; |
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abstract class AbstractAuthenticatorResponse implements AuthenticatorResponseInterface |
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{ |
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public const UTF8_BOM = "\xEF\xBB\xBF"; |
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/** |
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* @var string |
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*/ |
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private $clientDataJson; |
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private $parsedJson; |
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public function __construct(string $clientDataJson) |
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{ |
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$this->clientDataJson = $clientDataJson; |
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// Specification says to remove the UTF-8 byte order mark, if any |
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if (\substr($clientDataJson, 0, 3) === self::UTF8_BOM) { |
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$clientDataJson = substr($clientDataJson, 3); |
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} |
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$data = \json_decode($clientDataJson, true, 10); |
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if ($data === null && json_last_error() !== JSON_ERROR_NONE) { |
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throw new ParseException('Unparseable client data JSON'); |
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} |
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if (!\is_array($data)) { |
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throw new ParseException('Expected object for client data'); |
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} |
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$this->parsedJson = $data; |
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} |
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public function getClientDataJson(): string |
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{ |
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return $this->clientDataJson; |
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} |
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public function getParsedClientData(): array |
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{ |
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return $this->parsedJson; |
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} |
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public function asAttestationResponse(): AuthenticatorAttestationResponseInterface |
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{ |
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throw new WebAuthnException('Response is not an attestation response.'); |
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} |
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public function asAssertionResponse(): AuthenticatorAssertionResponseInterface |
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{ |
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throw new WebAuthnException('Response is not an assertion response.'); |
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} |
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} |
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madwizard-org /
webauthn-server
