/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const { FxAccountsPairingFlow } = ChromeUtils.importESModule(
"resource://gre/modules/FxAccountsPairing.sys.mjs"
);
const { EventEmitter } = ChromeUtils.importESModule(
"resource://gre/modules/EventEmitter.sys.mjs"
);
ChromeUtils.defineESModuleGetters(
this, {
jwcrypto:
"resource://services-crypto/jwcrypto.sys.mjs",
});
const CHANNEL_ID =
"sW-UA97Q6Dljqen7XRlYPw";
const CHANNEL_KEY = crypto.getRandomValues(
new Uint8Array(
32));
const SENDER_SUPP = {
ua:
"Firefox Supp",
city:
"Nice",
region:
"PACA",
country:
"France",
remote:
"127.0.0.1",
};
const UID =
"abcd";
const EMAIL =
"foo@bar.com";
const AVATAR =
"https://foo.bar/avatar";
const DISPLAY_NAME =
"Foo bar";
const DEVICE_NAME =
"Foo's computer";
const PAIR_URI =
"https://foo.bar/pair";
const OAUTH_URI =
"https://foo.bar/oauth";
const KSYNC =
"myksync";
const SESSION =
"mysession";
const fxaConfig = {
promisePairingURI() {
return PAIR_URI;
},
promiseOAuthURI() {
return OAUTH_URI;
},
};
const fxAccounts = {
getSignedInUser() {
return {
uid: UID,
email: EMAIL,
avatar: AVATAR,
displayName: DISPLAY_NAME,
};
},
async _withVerifiedAccountState(cb) {
return cb({
async getUserAccountData() {
return {
sessionToken: SESSION,
};
},
});
},
_internal: {
keys: {
getKeyForScope() {
return {
kid:
"123456",
k: KSYNC,
kty:
"oct",
};
},
},
fxAccountsClient: {
async getScopedKeyData() {
return {
[SCOPE_APP_SYNC]: {
identifier: SCOPE_APP_SYNC,
keyRotationTimestamp:
12345678,
},
};
},
async oauthAuthorize() {
return { code:
"mycode", state:
"mystate" };
},
},
},
};
const weave = {
Service: { clientsEngine: { localName: DEVICE_NAME } },
};
class MockPairingChannel
extends EventTarget {
get channelId() {
return CHANNEL_ID;
}
get channelKey() {
return CHANNEL_KEY;
}
send(data) {
this.dispatchEvent(
new CustomEvent(
"send", {
detail: { data },
})
);
}
simulateIncoming(data) {
this.dispatchEvent(
new CustomEvent(
"message", {
detail: { data, sender: SENDER_SUPP },
})
);
}
close() {
this.closed =
true;
}
}
add_task(async
function testFullFlow() {
const emitter =
new EventEmitter();
const pairingChannel =
new MockPairingChannel();
const pairingUri = await FxAccountsPairingFlow.start({
emitter,
pairingChannel,
fxAccounts,
fxaConfig,
weave,
});
Assert.equal(
pairingUri,
`${PAIR_URI}#channel_id=${CHANNEL_ID}&channel_key=${ChromeUtils.base64URLEncode(
CHANNEL_KEY,
{ pad:
false }
)}`
);
const flow = FxAccountsPairingFlow.get(CHANNEL_ID);
const promiseSwitchToWebContent = emitter.once(
"view:SwitchToWebContent");
const promiseMetadataSent = promiseOutgoingMessage(pairingChannel);
const epk = await generateEphemeralKeypair();
pairingChannel.simulateIncoming({
message:
"pair:supp:request",
data: {
client_id:
"client_id_1",
state:
"mystate",
keys_jwk: ChromeUtils.base64URLEncode(
new TextEncoder().encode(JSON.stringify(epk.publicJWK)),
{ pad:
false }
),
scope: `profile ${SCOPE_APP_SYNC}`,
code_challenge:
"chal",
code_challenge_method:
"S256",
},
});
const sentAuthMetadata = await promiseMetadataSent;
Assert.deepEqual(sentAuthMetadata, {
message:
"pair:auth:metadata",
data: {
email: EMAIL,
avatar: AVATAR,
displayName: DISPLAY_NAME,
deviceName: DEVICE_NAME,
},
});
const oauthUrl = await promiseSwitchToWebContent;
Assert.equal(
oauthUrl,
`${OAUTH_URI}?client_id=client_id_1&scope=profile+${encodeURIComponent(
SCOPE_APP_SYNC
)}&email=foo%
40bar.com&uid=abcd&channel_id=${CHANNEL_ID}&redirect_uri=urn%
3Aietf%
3Awg%
3Aoauth%
3A2.
0%
3Aoob%
3Apair-auth-webchannel`
);
let pairSuppMetadata = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_supplicant_metadata"
);
Assert.deepEqual(
{
ua:
"Firefox Supp",
city:
"Nice",
region:
"PACA",
country:
"France",
ipAddress:
"127.0.0.1",
},
pairSuppMetadata
);
const generateJWE = sinon.spy(jwcrypto,
"generateJWE");
const oauthAuthorize = sinon.spy(
fxAccounts._internal.fxAccountsClient,
"oauthAuthorize"
);
const promiseOAuthParamsMsg = promiseOutgoingMessage(pairingChannel);
await simulateIncomingWebChannel(flow,
"fxaccounts:pair_authorize");
// We should have generated the expected JWE.
Assert.ok(generateJWE.calledOnce);
const generateArgs = generateJWE.firstCall.args;
Assert.deepEqual(generateArgs[
0], epk.publicJWK);
Assert.deepEqual(JSON.parse(
new TextDecoder().decode(generateArgs[
1])), {
[SCOPE_APP_SYNC]: {
kid:
"123456",
k: KSYNC,
kty:
"oct",
},
});
// We should have authorized an oauth code with expected parameters.
Assert.ok(oauthAuthorize.calledOnce);
const oauthCodeArgs = oauthAuthorize.firstCall.args[
1];
console.log(oauthCodeArgs);
Assert.ok(!oauthCodeArgs.keys_jwk);
Assert.deepEqual(
oauthCodeArgs.keys_jwe,
await generateJWE.firstCall.returnValue
);
Assert.equal(oauthCodeArgs.client_id,
"client_id_1");
Assert.equal(oauthCodeArgs.access_type,
"offline");
Assert.equal(oauthCodeArgs.state,
"mystate");
Assert.equal(oauthCodeArgs.scope, `profile ${SCOPE_APP_SYNC}`);
Assert.equal(oauthCodeArgs.code_challenge,
"chal");
Assert.equal(oauthCodeArgs.code_challenge_method,
"S256");
const oAuthParams = await promiseOAuthParamsMsg;
Assert.deepEqual(oAuthParams, {
message:
"pair:auth:authorize",
data: { code:
"mycode", state:
"mystate" },
});
let heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(!heartbeat.suppAuthorized);
await pairingChannel.simulateIncoming({
message:
"pair:supp:authorize",
});
heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(heartbeat.suppAuthorized);
await simulateIncomingWebChannel(flow,
"fxaccounts:pair_complete");
// The flow should have been destroyed!
Assert.ok(!FxAccountsPairingFlow.get(CHANNEL_ID));
Assert.ok(pairingChannel.closed);
generateJWE.restore();
oauthAuthorize.restore();
});
add_task(async
function testUnknownPairingMessage() {
const emitter =
new EventEmitter();
const pairingChannel =
new MockPairingChannel();
await FxAccountsPairingFlow.start({
emitter,
pairingChannel,
fxAccounts,
fxaConfig,
weave,
});
const flow = FxAccountsPairingFlow.get(CHANNEL_ID);
const viewErrorObserved = emitter.once(
"view:Error");
pairingChannel.simulateIncoming({
message:
"pair:boom",
});
await viewErrorObserved;
let heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(heartbeat.err);
});
add_task(async
function testUnknownWebChannelCommand() {
const emitter =
new EventEmitter();
const pairingChannel =
new MockPairingChannel();
await FxAccountsPairingFlow.start({
emitter,
pairingChannel,
fxAccounts,
fxaConfig,
weave,
});
const flow = FxAccountsPairingFlow.get(CHANNEL_ID);
const viewErrorObserved = emitter.once(
"view:Error");
await simulateIncomingWebChannel(flow,
"fxaccounts:boom");
await viewErrorObserved;
let heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(heartbeat.err);
});
add_task(async
function testPairingChannelFailure() {
const emitter =
new EventEmitter();
const pairingChannel =
new MockPairingChannel();
await FxAccountsPairingFlow.start({
emitter,
pairingChannel,
fxAccounts,
fxaConfig,
weave,
});
const flow = FxAccountsPairingFlow.get(CHANNEL_ID);
const viewErrorObserved = emitter.once(
"view:Error");
sinon.stub(pairingChannel,
"send").callsFake(() => {
throw new Error(
"Boom!");
});
pairingChannel.simulateIncoming({
message:
"pair:supp:request",
data: {
client_id:
"client_id_1",
state:
"mystate",
scope: `profile ${SCOPE_APP_SYNC}`,
code_challenge:
"chal",
code_challenge_method:
"S256",
},
});
await viewErrorObserved;
let heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(heartbeat.err);
});
add_task(async
function testFlowTimeout() {
const emitter =
new EventEmitter();
const pairingChannel =
new MockPairingChannel();
const viewErrorObserved = emitter.once(
"view:Error");
await FxAccountsPairingFlow.start({
emitter,
pairingChannel,
fxAccounts,
fxaConfig,
weave,
flowTimeout:
1,
});
const flow = FxAccountsPairingFlow.get(CHANNEL_ID);
await viewErrorObserved;
let heartbeat = await simulateIncomingWebChannel(
flow,
"fxaccounts:pair_heartbeat"
);
Assert.ok(heartbeat.err.match(/Timeout/));
});
async
function simulateIncomingWebChannel(flow, command) {
return flow.onWebChannelMessage(command);
}
async
function promiseOutgoingMessage(pairingChannel) {
return new Promise(res => {
const onMessage = event => {
pairingChannel.removeEventListener(
"send", onMessage);
res(event.detail.data);
};
pairingChannel.addEventListener(
"send", onMessage);
});
}
async
function generateEphemeralKeypair() {
const keypair = await crypto.subtle.generateKey(
{ name:
"ECDH", namedCurve:
"P-256" },
true,
[
"deriveKey"]
);
const publicJWK = await crypto.subtle.exportKey(
"jwk", keypair.publicKey);
const privateJWK = await crypto.subtle.exportKey(
"jwk", keypair.privateKey);
delete publicJWK.key_ops;
return {
publicJWK,
privateJWK,
};
}