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import {
AttestationCredential,
AuthenticationExtensionsClientInputs,
AuthenticationExtensionsClientOutputs,
PublicKeyCredentialCreationOptionsJSON,
} from '@simplewebauthn/typescript-types';
import toUint8Array from '../helpers/toUint8Array';
import supportsWebauthn from '../helpers/supportsWebauthn';
import bufferToBase64URLString from '../helpers/bufferToBase64URLString';
import startAttestation from './startAttestation';
jest.mock('../helpers/supportsWebauthn');
const mockNavigatorCreate = window.navigator.credentials.create as jest.Mock;
const mockSupportsWebauthn = supportsWebauthn as jest.Mock;
const mockAttestationObject = 'mockAtte';
const mockClientDataJSON = 'mockClie';
const goodOpts1: PublicKeyCredentialCreationOptionsJSON = {
challenge: bufferToBase64URLString(toUint8Array('fizz')),
attestation: 'direct',
pubKeyCredParams: [
{
alg: -7,
type: 'public-key',
},
],
rp: {
id: '1234',
name: 'simplewebauthn',
},
user: {
id: '5678',
displayName: 'username',
name: 'username',
},
timeout: 1,
excludeCredentials: [
{
id: 'C0VGlvYFratUdAV1iCw-ULpUW8E-exHPXQChBfyVeJZCMfjMFcwDmOFgoMUz39LoMtCJUBW8WPlLkGT6q8qTCg',
type: 'public-key',
transports: ['internal'],
},
],
};
beforeEach(() => {
// Stub out a response so the method won't throw
mockNavigatorCreate.mockImplementation(
(): Promise<any> => {
return new Promise(resolve => {
resolve({ response: {}, getClientExtensionResults: () => ({}) });
});
},
);
mockSupportsWebauthn.mockReturnValue(true);
});
afterEach(() => {
mockNavigatorCreate.mockReset();
mockSupportsWebauthn.mockReset();
});
test('should convert options before passing to navigator.credentials.create(...)', async done => {
await startAttestation(goodOpts1);
const argsPublicKey = mockNavigatorCreate.mock.calls[0][0].publicKey;
const credId = argsPublicKey.excludeCredentials[0].id;
// Make sure challenge and user.id are converted to Buffers
expect(new Uint8Array(argsPublicKey.challenge)).toEqual(new Uint8Array([102, 105, 122, 122]));
expect(new Uint8Array(argsPublicKey.user.id)).toEqual(new Uint8Array([53, 54, 55, 56]));
// Confirm construction of excludeCredentials array
expect(credId instanceof ArrayBuffer).toEqual(true);
expect(credId.byteLength).toEqual(64);
expect(argsPublicKey.excludeCredentials[0].type).toEqual('public-key');
expect(argsPublicKey.excludeCredentials[0].transports).toEqual(['internal']);
done();
});
test('should return base64url-encoded response values', async done => {
mockNavigatorCreate.mockImplementation(
(): Promise<AttestationCredential> => {
return new Promise(resolve => {
resolve({
id: 'foobar',
rawId: toUint8Array('foobar'),
response: {
attestationObject: Buffer.from(mockAttestationObject, 'ascii'),
clientDataJSON: Buffer.from(mockClientDataJSON, 'ascii'),
},
getClientExtensionResults: () => ({}),
type: 'webauthn.create',
});
});
},
);
const response = await startAttestation(goodOpts1);
expect(response.rawId).toEqual('Zm9vYmFy');
expect(response.response.attestationObject).toEqual('bW9ja0F0dGU');
expect(response.response.clientDataJSON).toEqual('bW9ja0NsaWU');
done();
});
test("should throw error if WebAuthn isn't supported", async done => {
mockSupportsWebauthn.mockReturnValue(false);
await expect(startAttestation(goodOpts1)).rejects.toThrow(
'WebAuthn is not supported in this browser',
);
done();
});
test('should throw error if attestation is cancelled for some reason', async done => {
mockNavigatorCreate.mockImplementation(
(): Promise<null> => {
return new Promise(resolve => {
resolve(null);
});
},
);
await expect(startAttestation(goodOpts1)).rejects.toThrow('Attestation was not completed');
done();
});
test('should send extensions to authenticator if present in options', async done => {
const extensions: AuthenticationExtensionsClientInputs = {
credProps: true,
appid: 'appidHere',
uvm: true,
appidExclude: 'appidExcludeHere',
};
const optsWithExts: PublicKeyCredentialCreationOptionsJSON = {
...goodOpts1,
extensions,
};
await startAttestation(optsWithExts);
const argsExtensions = mockNavigatorCreate.mock.calls[0][0].publicKey.extensions;
expect(argsExtensions).toEqual(extensions);
done();
});
test('should not set any extensions if not present in options', async done => {
await startAttestation(goodOpts1);
const argsExtensions = mockNavigatorCreate.mock.calls[0][0].publicKey.extensions;
expect(argsExtensions).toEqual(undefined);
done();
});
test('should include extension results', async done => {
const extResults: AuthenticationExtensionsClientOutputs = {
appid: true,
credProps: {
rk: true,
},
};
// Mock extension return values from authenticator
mockNavigatorCreate.mockImplementation(
(): Promise<any> => {
return new Promise(resolve => {
resolve({ response: {}, getClientExtensionResults: () => extResults });
});
},
);
// Extensions aren't present in this object, but it doesn't matter since we're faking the response
const response = await startAttestation(goodOpts1);
expect(response.clientExtensionResults).toEqual(extResults);
done();
});
test('should include extension results when no extensions specified', async done => {
const response = await startAttestation(goodOpts1);
expect(response.clientExtensionResults).toEqual({});
done();
});
|
