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<?php |
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namespace MadWizard\WebAuthn\Extension\AppId; |
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use MadWizard\WebAuthn\Exception\ExtensionException; |
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use MadWizard\WebAuthn\Exception\ParseException; |
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use MadWizard\WebAuthn\Extension\AbstractExtension; |
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use MadWizard\WebAuthn\Extension\ExtensionInputInterface; |
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use MadWizard\WebAuthn\Extension\ExtensionOutputInterface; |
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use MadWizard\WebAuthn\Extension\ExtensionProcessingContext; |
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use MadWizard\WebAuthn\Extension\ExtensionResponseInterface; |
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class AppIdExtension extends AbstractExtension |
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{ |
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public function __construct() |
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{ |
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parent::__construct('appid', [self::OPERATION_AUTHENTICATION]); |
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} |
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public function parseResponse(ExtensionResponseInterface $extensionResponse): ExtensionOutputInterface |
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{ |
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$extensionOutput = $extensionResponse->getClientExtensionOutput(); |
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if (!is_bool($extensionOutput)) { |
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throw new ParseException('Expecting boolean value in appid extension output.'); |
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} |
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return new AppIdExtensionOutput($extensionOutput); |
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} |
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public function processExtension(ExtensionInputInterface $input, ExtensionOutputInterface $output, ExtensionProcessingContext $context): void |
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{ |
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if (!$input instanceof AppIdExtensionInput) { |
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throw new ExtensionException('Expecting appid extension input to be AppIdExtensionInput.'); |
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} |
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if (!$output instanceof AppIdExtensionOutput) { |
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throw new ExtensionException('Expecting appid extension input to be AppIdExtensionInput.'); |
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} |
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// SPEC: Client extension output: If true, the AppID was used and thus, when verifying an assertion, |
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// the Relying Party MUST expect the rpIdHash to be the hash of the AppID, not the RP ID. |
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if ($output->getAppIdUsed()) { |
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$context->setOverruledRpId($input->getAppId()); |
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} |
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} |
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} |
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madwizard-org /
webauthn-server
