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<!DOCTYPE html>
<meta charset=utf-8>
<head>
<title>Full-run test for MakeCredential/GetAssertion for W3C Web Authentication</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="u2futil.js"></script>
<script type="text/javascript" src="pkijs/common.js"></script>
<script type="text/javascript" src="pkijs/asn1.js"></script>
<script type="text/javascript" src="pkijs/x509_schema.js"></script>
<script type="text/javascript" src="pkijs/x509_simpl.js"></script>
<script type="text/javascript" src="cbor.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<h1>Full-run test for MakeCredential/GetAssertion for W3C Web Authentication</h1>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1309284">Mozilla Bug 1309284</a>
<script class="testbody" type="text/javascript">
"use strict";
add_task(async function() {
// This test intentionally compares items to themselves.
/* eslint-disable no-self-compare */
await SpecialPowers.pushPrefEnv({"set": [["security.webauth.webauthn_testing_allow_direct_attestation", true]]});
await addVirtualAuthenticator();
is(navigator.authentication, undefined, "navigator.authentication does not exist any longer");
isnot(navigator.credentials, undefined, "Credential Management API endpoint must exist");
isnot(navigator.credentials.create, undefined, "CredentialManagement create API endpoint must exist");
isnot(navigator.credentials.get, undefined, "CredentialManagement get API endpoint must exist");
let credm = navigator.credentials;
let gCredentialChallenge = new Uint8Array(16);
window.crypto.getRandomValues(gCredentialChallenge);
let gAssertionChallenge = new Uint8Array(16);
window.crypto.getRandomValues(gAssertionChallenge);
await testMakeCredential();
async function decodeCreatedCredential(aCredInfo) {
/* PublicKeyCredential : Credential
- rawId: Key Handle buffer pulled from U2F Register() Response
- id: Key Handle buffer in base64url form, should == rawId
- type: Literal 'public-key'
- response : AuthenticatorAttestationResponse : AuthenticatorResponse
- attestationObject: CBOR object
- clientDataJSON: serialized JSON
*/
is(aCredInfo.type, "public-key", "Credential type must be public-key")
ok(aCredInfo.rawId.byteLength > 0, "Key ID exists");
is(aCredInfo.id, bytesToBase64UrlSafe(aCredInfo.rawId), "Encoded Key ID and Raw Key ID match");
ok(aCredInfo.rawId === aCredInfo.rawId, "PublicKeyCredential.RawID is SameObject");
ok(aCredInfo.response === aCredInfo.response, "PublicKeyCredential.Response is SameObject");
ok(aCredInfo.response.clientDataJSON === aCredInfo.response.clientDataJSON, "PublicKeyCredential.Response.ClientDataJSON is SameObject");
ok(aCredInfo.response.attestationObject === aCredInfo.response.attestationObject, "PublicKeyCredential.Response.AttestationObject is SameObject");
let clientData = JSON.parse(buffer2string(aCredInfo.response.clientDataJSON));
is(clientData.challenge, bytesToBase64UrlSafe(gCredentialChallenge), "Challenge is correct");
is(clientData.origin, window.location.origin, "Origin is correct");
is(clientData.type, "webauthn.create", "Type is correct");
let attestationObj = await webAuthnDecodeCBORAttestation(aCredInfo.response.attestationObject);
// Make sure the RP ID hash matches what we calculate.
let calculatedRpIdHash = await crypto.subtle.digest("SHA-256", string2buffer(document.domain));
let calcHashStr = bytesToBase64UrlSafe(new Uint8Array(calculatedRpIdHash));
let providedHashStr = bytesToBase64UrlSafe(new Uint8Array(attestationObj.authDataObj.rpIdHash));
is(calcHashStr, providedHashStr, "Calculated RP ID hash must match what the browser derived.");
ok(true, attestationObj.authDataObj.flags[0] & (flag_TUP | flag_AT));
ok(attestationObj.authDataObj.flags[0] & (flag_TUP | flag_AT) == (flag_TUP | flag_AT),
"User presence and Attestation Object flags must be set");
aCredInfo.clientDataObj = clientData;
aCredInfo.publicKeyHandle = attestationObj.authDataObj.publicKeyHandle;
aCredInfo.attestationObject = attestationObj.authDataObj.attestationAuthData;
return aCredInfo;
}
async function checkAssertionAndSigValid(aPublicKey, aAssertion) {
/* PublicKeyCredential : Credential
- rawId: ID of Credential from AllowList that succeeded
- id: Key Handle buffer in base64url form, should == rawId
- type: Literal 'public-key'
- response : AuthenticatorAssertionResponse : AuthenticatorResponse
- clientDataJSON: serialized JSON
- authenticatorData: RP ID Hash || U2F Sign() Response
- signature: U2F Sign() Response
*/
is(aAssertion.type, "public-key", "Credential type must be public-key")
ok(aAssertion.rawId.byteLength > 0, "Key ID exists");
is(aAssertion.id, bytesToBase64UrlSafe(new Uint8Array(aAssertion.rawId)), "Encoded Key ID and Raw Key ID match");
ok(aAssertion.response.authenticatorData === aAssertion.response.authenticatorData, "AuthenticatorAssertionResponse.AuthenticatorData is SameObject");
ok(aAssertion.response.authenticatorData instanceof ArrayBuffer, "AuthenticatorAssertionResponse.AuthenticatorData is an ArrayBuffer");
ok(aAssertion.response.signature === aAssertion.response.signature, "AuthenticatorAssertionResponse.Signature is SameObject");
ok(aAssertion.response.signature instanceof ArrayBuffer, "AuthenticatorAssertionResponse.Signature is an ArrayBuffer");
ok(aAssertion.response.userHandle === null, "AuthenticatorAssertionResponse.UserHandle is null for u2f authenticators");
ok(aAssertion.response.authenticatorData.byteLength > 0, "Authenticator data exists");
let clientData = JSON.parse(buffer2string(aAssertion.response.clientDataJSON));
is(clientData.challenge, bytesToBase64UrlSafe(gAssertionChallenge), "Challenge is correct");
is(clientData.origin, window.location.origin, "Origin is correct");
is(clientData.type, "webauthn.get", "Type is correct");
let attestation = await webAuthnDecodeAuthDataArray(aAssertion.response.authenticatorData);
ok(new Uint8Array(attestation.flags)[0] & flag_TUP == flag_TUP, "User presence flag must be set");
is(attestation.counter.byteLength, 4, "Counter must be 4 bytes");
let params = await deriveAppAndChallengeParam(window.location.host, aAssertion.response.clientDataJSON, attestation);
console.log(params);
console.log("ClientData buffer: ", hexEncode(aAssertion.response.clientDataJSON));
console.log("ClientDataHash: ", hexEncode(params.challengeParam));
let signedData = await assembleSignedData(params.appParam, params.attestation.flags,
params.attestation.counter, params.challengeParam);
console.log(aPublicKey, signedData, aAssertion.response.signature);
return await verifySignature(aPublicKey, signedData, aAssertion.response.signature);
}
async function testMakeCredential() {
let rp = {id: document.domain, name: "none"};
let user = {id: new Uint8Array(), name: "none", displayName: "none"};
let param = {type: "public-key", alg: cose_alg_ECDSA_w_SHA256};
let makeCredentialOptions = {
rp,
user,
challenge: gCredentialChallenge,
pubKeyCredParams: [param],
attestation: "direct"
};
let credential = await credm.create({publicKey: makeCredentialOptions})
let decodedCredential = await decodeCreatedCredential(credential);
await testMakeDuplicate(decodedCredential);
}
async function testMakeDuplicate(aCredInfo) {
let rp = {id: document.domain, name: "none"};
let user = {id: new Uint8Array(), name: "none", displayName: "none"};
let param = {type: "public-key", alg: cose_alg_ECDSA_w_SHA256};
let makeCredentialOptions = {
rp,
user,
challenge: gCredentialChallenge,
pubKeyCredParams: [param],
excludeCredentials: [{type: "public-key", id: new Uint8Array(aCredInfo.rawId),
transports: ["usb"]}]
};
await credm.create({publicKey: makeCredentialOptions})
.then(function() {
// We should have errored here!
ok(false, "The excludeList didn't stop a duplicate being created!");
}).catch((aReason) => {
ok(aReason.toString().startsWith("InvalidStateError"), "Expect InvalidStateError, got " + aReason);
});
await testAssertion(aCredInfo);
}
async function testAssertion(aCredInfo) {
let newCredential = {
type: "public-key",
id: new Uint8Array(aCredInfo.rawId),
transports: ["usb"],
}
let publicKeyCredentialRequestOptions = {
challenge: gAssertionChallenge,
timeout: 5000, // the minimum timeout is actually 15 seconds
rpId: document.domain,
allowCredentials: [newCredential]
};
let assertion = await credm.get({publicKey: publicKeyCredentialRequestOptions});
let sigVerifyResult = await checkAssertionAndSigValid(aCredInfo.publicKeyHandle, assertion);
ok(sigVerifyResult, "Signing signature verified");
}
});
</script>
</body>
</html>
|
