packages/pass/lib/passkeys/webauthn.ts

   1 import type { WasmPublicKeyCredentialAssertion, WasmPublicKeyCredentialAttestation } from '@protontech/pass-rust-core';
   2
   3 import { SafeUint8Array } from '@proton/pass/utils/buffer/sanitization';
   4
   5 export const intoAuthenticatorAttestationResponse = ({
   6     response,
   7 }: WasmPublicKeyCredentialAttestation): AuthenticatorAttestationResponse =>
   8     Object.setPrototypeOf(
   9         {
  10             attestationObject: new SafeUint8Array(response.attestation_object).buffer,
  11             clientDataJSON: new SafeUint8Array(response.client_data_json).buffer,
  12             getAuthenticatorData: () => new SafeUint8Array(response.authenticator_data).buffer,
  13             getPublicKey: () => (response.public_key ? new SafeUint8Array(response.public_key).buffer : null),
  14             getPublicKeyAlgorithm: () => response.public_key_algorithm,
  15             getTransports: () => response?.transports ?? [],
  16         },
  17         AuthenticatorAttestationResponse.prototype
  18     );
  19
  20 export const intoAuthenticatorAssertionResponse = (
  21     credential: WasmPublicKeyCredentialAssertion
  22 ): AuthenticatorAssertionResponse =>
  23     Object.setPrototypeOf(
  24         {
  25             clientDataJSON: new SafeUint8Array(credential.response.client_data_json).buffer,
  26             authenticatorData: new SafeUint8Array(credential.response.authenticator_data).buffer,
  27             signature: new SafeUint8Array(credential.response.signature).buffer,
  28             userHandle: credential.response.user_handle
  29                 ? new SafeUint8Array(credential.response.user_handle).buffer
  30                 : null,
  31         },
  32         AuthenticatorAssertionResponse.prototype
  33     );
  34
  35 export const intoPublicKeyCredential = (
  36     result: WasmPublicKeyCredentialAttestation | WasmPublicKeyCredentialAssertion,
  37     response: AuthenticatorAttestationResponse | AuthenticatorAssertionResponse,
  38     clone: <T>(obj: T) => T
  39 ): PublicKeyCredential =>
  40     Object.setPrototypeOf(
  41         {
  42             authenticatorAttachment: result.authenticator_attachment,
  43             id: result.id,
  44             rawId: new SafeUint8Array(result.raw_id).buffer,
  45             response,
  46             type: result.type,
  47             getClientExtensionResults: () => clone(result.client_extension_results ?? {}),
  48         },
  49         PublicKeyCredential.prototype
  50     );