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@ -3,6 +3,7 @@ import { Buffer } from "buffer/"; |
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import { decode as cborDecode } from "cbor-x"; |
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import { createJWS, JWTPayload, verifyJWT } from "did-jwt"; |
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import { DIDResolutionResult, Resolver } from "did-resolver"; |
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import { sha256 } from "ethereum-cryptography/sha256.js"; |
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import { bytesToMultibase } from "@veramo/utils"; |
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import { |
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startAuthentication, |
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@ -22,6 +23,8 @@ import { |
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PublicKeyCredentialRequestOptionsJSON, |
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} from "@simplewebauthn/types"; |
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import { generateRandomBytes } from "@/libs/crypto"; |
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export interface JWK { |
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kty: string; |
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crv: string; |
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@ -33,15 +36,15 @@ export interface PublicKeyCredential { |
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jwt: JWK; |
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} |
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function toBase64Url(anything: Uint8Array) { |
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return Buffer.from(anything) |
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.toString("base64") |
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.replace(/\+/g, "-") |
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.replace(/\//g, "_") |
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.replace(/=+$/, ""); |
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function toBase64Url(anythingB64: string) { |
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return anythingB64.replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, ""); |
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} |
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function arrayToBase64Url(anything: Uint8Array) { |
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return toBase64Url(Buffer.from(anything).toString("base64")); |
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} |
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export async function registerCredential() { |
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export async function registerCredential(userId: Uint8Array) { |
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const options: PublicKeyCredentialCreationOptionsJSON = |
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await generateRegistrationOptions({ |
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rpName: "Time Safari", |
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@ -85,10 +88,8 @@ export async function registerCredential() { |
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}; |
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} |
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export async function registerCredential2( |
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userId: Uint8Array, |
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challenge: Uint8Array, |
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) { |
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export async function registerCredential2(userId: Uint8Array) { |
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const challenge = generateRandomBytes(32); |
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const publicKeyOptions: PublicKeyCredentialCreationOptions = { |
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challenge: challenge, |
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rp: { |
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@ -120,20 +121,20 @@ export async function registerCredential2( |
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console.log("credential", credential); |
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console.log(credential?.id, " is the new ID base64-url-encoded"); |
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console.log(toBase64Url(credential?.rawId), " is the base64 rawId"); |
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console.log(arrayToBase64Url(credential?.rawId), " is the base64 rawId"); |
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const attestationResponse = credential?.response; |
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const verfInput: VerifyRegistrationResponseOpts = { |
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response: { |
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id: credential?.id as string, |
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rawId: credential?.id as string, //Buffer.from(credential?.rawId).toString("base64"),
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response: { |
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attestationObject: toBase64Url(attestationResponse?.attestationObject), |
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clientDataJSON: toBase64Url(attestationResponse?.clientDataJSON), |
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attestationObject: arrayToBase64Url(attestationResponse?.attestationObject), |
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clientDataJSON: arrayToBase64Url(attestationResponse?.clientDataJSON), |
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}, |
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clientExtensionResults: {}, |
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type: "public-key", |
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}, |
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expectedChallenge: toBase64Url(challenge), |
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expectedChallenge: arrayToBase64Url(challenge), |
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expectedOrigin: window.location.origin, |
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}; |
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console.log("verfInput", verfInput); |
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@ -169,8 +170,8 @@ export async function registerCredential2( |
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alg: "ES256", |
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crv: "P-256", |
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kty: "EC", |
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x: toBase64Url(jwkObj[-2]), |
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y: toBase64Url(jwkObj[-3]), |
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x: arrayToBase64Url(jwkObj[-2]), |
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y: arrayToBase64Url(jwkObj[-3]), |
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}; |
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const publicKeyBytes = Buffer.concat([ |
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Buffer.from(jwkObj[-2]), |
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@ -207,12 +208,65 @@ export function createPeerDid(publicKeyBytes: Uint8Array) { |
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export class PeerSetup { |
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public authenticatorData?: ArrayBuffer; |
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public challenge?: Uint8Array; |
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public clientDataJsonDecoded?: object; |
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public signature?: Base64URLString; |
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public async createJwt( |
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payload: object, |
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issuerDid: string, |
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credentialId: string, |
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) { |
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const header: JWTPayload = { typ: "JWT", alg: "ES256" }; |
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// from createJWT in did-jwt/src/JWT.ts
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const timestamps: Partial<JWTPayload> = { |
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iat: Math.floor(Date.now() / 1000), |
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exp: undefined, |
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}; |
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const fullPayload = { ...timestamps, ...payload, iss: issuerDid }; |
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const payloadHash: Uint8Array = sha256( |
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Buffer.from(JSON.stringify(fullPayload)), |
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); |
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const options: PublicKeyCredentialRequestOptionsJSON = |
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await generateAuthenticationOptions({ |
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challenge: payloadHash, |
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rpID: window.location.hostname, |
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// Require users to use a previously-registered authenticator
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// allowCredentials: userPasskeys.map(passkey => ({
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// id: passkey.id,
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// transports: passkey.transports,
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// })),
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}); |
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console.log("custom authentication options", options); |
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const clientAuth = await startAuthentication(options); |
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console.log("custom clientAuth", clientAuth); |
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this.authenticatorData = Buffer.from( |
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clientAuth.response.authenticatorData, |
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"base64", |
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).buffer; |
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this.challenge = payloadHash; |
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this.clientDataJsonDecoded = JSON.parse( |
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Buffer.from(clientAuth.response.clientDataJSON, "base64").toString( |
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"utf-8", |
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), |
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); |
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this.signature = clientAuth.response.signature; |
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const headerBase64 = Buffer.from(JSON.stringify(header)).toString("base64"); |
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const payloadBase64 = clientAuth.response.clientDataJSON; |
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const signature = clientAuth.response.signature; |
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return headerBase64 + "." + payloadBase64 + "." + signature; |
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} |
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public async createJwt2( |
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payload: object, |
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issuerDid: string, |
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credentialId: string, |
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) { |
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const signer = await this.webAuthnES256KSigner(credentialId); |
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@ -319,58 +373,63 @@ export async function verifyJwt( |
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credId: Base64URLString, |
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rawId: Uint8Array, |
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authenticatorData: ArrayBuffer, |
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challenge: Uint8Array, |
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clientDataJSON: object, |
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publicKey: Uint8Array, |
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signature: Base64URLString, |
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) { |
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const options: PublicKeyCredentialRequestOptionsJSON = |
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await generateAuthenticationOptions({ |
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rpID: window.location.hostname, |
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// Require users to use a previously-registered authenticator
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// allowCredentials: userPasskeys.map(passkey => ({
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// id: passkey.id,
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// transports: passkey.transports,
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// })),
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}); |
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console.log("authentication options", options); |
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const clientAuth = await startAuthentication(options); |
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console.log("clientAuth", clientAuth); |
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const verfOpts: VerifyAuthenticationResponseOpts = { |
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authenticator: { |
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credentialID: credId, |
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credentialPublicKey: publicKey, |
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counter: 0, |
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}, |
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expectedChallenge: options.challenge, |
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expectedOrigin: window.location.origin, |
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expectedRPID: window.location.hostname, |
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response: clientAuth, |
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}; |
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console.log("verfOpts", verfOpts); |
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const verificationFromClient = await verifyAuthenticationResponse(verfOpts); |
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console.log("client auth verification", verificationFromClient); |
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const authData = toBase64Url(Buffer.from(authenticatorData)); |
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// Here's a combined auth & verify process, based on some of the inputs.
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//
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// const options: PublicKeyCredentialRequestOptionsJSON =
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// await generateAuthenticationOptions({
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// rpID: window.location.hostname,
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// // Require users to use a previously-registered authenticator
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// // allowCredentials: userPasskeys.map(passkey => ({
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// // id: passkey.id,
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// // transports: passkey.transports,
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// // })),
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// });
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// console.log("authentication options", options);
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//
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// const clientAuth = await startAuthentication(options);
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// console.log("clientAuth", clientAuth);
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//
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// const verfOpts: VerifyAuthenticationResponseOpts = {
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// authenticator: {
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// credentialID: credId,
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// credentialPublicKey: publicKey,
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// counter: 0,
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// },
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// expectedChallenge: options.challenge,
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// expectedOrigin: window.location.origin,
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// expectedRPID: window.location.hostname,
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// response: clientAuth,
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// };
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// console.log("verfOpts", verfOpts);
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// const verificationFromClient = await verifyAuthenticationResponse(verfOpts);
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// console.log("client auth verification", verificationFromClient);
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const authData = arrayToBase64Url(Buffer.from(authenticatorData)); |
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const authOpts: VerifyAuthenticationResponseOpts = { |
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authenticator: { |
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credentialID: credId, |
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credentialPublicKey: publicKey, |
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counter: 0, |
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}, |
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expectedChallenge: options.challenge, |
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expectedChallenge: arrayToBase64Url(challenge), |
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expectedOrigin: window.location.origin, |
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expectedRPID: window.location.hostname, |
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response: { |
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authenticatorAttachment: "platform", |
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clientExtensionResults: {}, |
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id: credId, |
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rawId: toBase64Url(rawId), |
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rawId: arrayToBase64Url(rawId), |
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response: { |
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authenticatorData: authData, |
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clientDataJSON: clientAuth.response.clientDataJSON, |
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signature: clientAuth.response.signature, |
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clientDataJSON: arrayToBase64Url( |
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Buffer.from(JSON.stringify(clientDataJSON)), |
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), |
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signature: signature, |
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}, |
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type: "public-key", |
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}, |
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