623 lines
21 KiB
JavaScript
623 lines
21 KiB
JavaScript
/* global
|
|
window,
|
|
textsecure,
|
|
libsignal,
|
|
WebSocketResource,
|
|
btoa,
|
|
Signal,
|
|
getString,
|
|
libphonenumber,
|
|
Event,
|
|
ConversationController
|
|
*/
|
|
|
|
/* eslint-disable more/no-then */
|
|
|
|
// eslint-disable-next-line func-names
|
|
(function() {
|
|
window.textsecure = window.textsecure || {};
|
|
|
|
const ARCHIVE_AGE = 7 * 24 * 60 * 60 * 1000;
|
|
|
|
function AccountManager(username, password) {
|
|
this.server = window.WebAPI.connect({ username, password });
|
|
this.pending = Promise.resolve();
|
|
}
|
|
|
|
function getIdentifier(id) {
|
|
if (!id || !id.length) {
|
|
return id;
|
|
}
|
|
|
|
const parts = id.split('.');
|
|
if (!parts.length) {
|
|
return id;
|
|
}
|
|
|
|
return parts[0];
|
|
}
|
|
|
|
AccountManager.prototype = new textsecure.EventTarget();
|
|
AccountManager.prototype.extend({
|
|
constructor: AccountManager,
|
|
requestVoiceVerification(number) {
|
|
return this.server.requestVerificationVoice(number);
|
|
},
|
|
requestSMSVerification(number) {
|
|
return this.server.requestVerificationSMS(number);
|
|
},
|
|
async encryptDeviceName(name, providedIdentityKey) {
|
|
if (!name) {
|
|
return null;
|
|
}
|
|
const identityKey =
|
|
providedIdentityKey ||
|
|
(await textsecure.storage.protocol.getIdentityKeyPair());
|
|
if (!identityKey) {
|
|
throw new Error(
|
|
'Identity key was not provided and is not in database!'
|
|
);
|
|
}
|
|
const encrypted = await Signal.Crypto.encryptDeviceName(
|
|
name,
|
|
identityKey.pubKey
|
|
);
|
|
|
|
const proto = new textsecure.protobuf.DeviceName();
|
|
proto.ephemeralPublic = encrypted.ephemeralPublic;
|
|
proto.syntheticIv = encrypted.syntheticIv;
|
|
proto.ciphertext = encrypted.ciphertext;
|
|
|
|
const arrayBuffer = proto.encode().toArrayBuffer();
|
|
return Signal.Crypto.arrayBufferToBase64(arrayBuffer);
|
|
},
|
|
async decryptDeviceName(base64) {
|
|
const identityKey = await textsecure.storage.protocol.getIdentityKeyPair();
|
|
|
|
const arrayBuffer = Signal.Crypto.base64ToArrayBuffer(base64);
|
|
const proto = textsecure.protobuf.DeviceName.decode(arrayBuffer);
|
|
const encrypted = {
|
|
ephemeralPublic: proto.ephemeralPublic.toArrayBuffer(),
|
|
syntheticIv: proto.syntheticIv.toArrayBuffer(),
|
|
ciphertext: proto.ciphertext.toArrayBuffer(),
|
|
};
|
|
|
|
const name = await Signal.Crypto.decryptDeviceName(
|
|
encrypted,
|
|
identityKey.privKey
|
|
);
|
|
|
|
return name;
|
|
},
|
|
async maybeUpdateDeviceName() {
|
|
const isNameEncrypted = textsecure.storage.user.getDeviceNameEncrypted();
|
|
if (isNameEncrypted) {
|
|
return;
|
|
}
|
|
const deviceName = await textsecure.storage.user.getDeviceName();
|
|
const base64 = await this.encryptDeviceName(deviceName);
|
|
|
|
await this.server.updateDeviceName(base64);
|
|
},
|
|
async deviceNameIsEncrypted() {
|
|
await textsecure.storage.user.setDeviceNameEncrypted();
|
|
},
|
|
async maybeDeleteSignalingKey() {
|
|
const key = await textsecure.storage.user.getSignalingKey();
|
|
if (key) {
|
|
await this.server.removeSignalingKey();
|
|
}
|
|
},
|
|
registerSingleDevice(number, verificationCode) {
|
|
const registerKeys = this.server.registerKeys.bind(this.server);
|
|
const createAccount = this.createAccount.bind(this);
|
|
const clearSessionsAndPreKeys = this.clearSessionsAndPreKeys.bind(this);
|
|
const generateKeys = this.generateKeys.bind(this, 100);
|
|
const confirmKeys = this.confirmKeys.bind(this);
|
|
const registrationDone = this.registrationDone.bind(this);
|
|
return this.queueTask(() =>
|
|
libsignal.KeyHelper.generateIdentityKeyPair().then(
|
|
async identityKeyPair => {
|
|
const profileKey = textsecure.crypto.getRandomBytes(32);
|
|
const accessKey = await window.Signal.Crypto.deriveAccessKey(
|
|
profileKey
|
|
);
|
|
|
|
return createAccount(
|
|
number,
|
|
verificationCode,
|
|
identityKeyPair,
|
|
profileKey,
|
|
null,
|
|
null,
|
|
null,
|
|
{ accessKey }
|
|
)
|
|
.then(clearSessionsAndPreKeys)
|
|
.then(generateKeys)
|
|
.then(keys => registerKeys(keys).then(() => confirmKeys(keys)))
|
|
.then(() => registrationDone({ number }));
|
|
}
|
|
)
|
|
);
|
|
},
|
|
registerSecondDevice(setProvisioningUrl, confirmNumber, progressCallback) {
|
|
const createAccount = this.createAccount.bind(this);
|
|
const clearSessionsAndPreKeys = this.clearSessionsAndPreKeys.bind(this);
|
|
const generateKeys = this.generateKeys.bind(this, 100, progressCallback);
|
|
const confirmKeys = this.confirmKeys.bind(this);
|
|
const registrationDone = this.registrationDone.bind(this);
|
|
const registerKeys = this.server.registerKeys.bind(this.server);
|
|
const getSocket = this.server.getProvisioningSocket.bind(this.server);
|
|
const queueTask = this.queueTask.bind(this);
|
|
const provisioningCipher = new libsignal.ProvisioningCipher();
|
|
let gotProvisionEnvelope = false;
|
|
return provisioningCipher.getPublicKey().then(
|
|
pubKey =>
|
|
new Promise((resolve, reject) => {
|
|
const socket = getSocket();
|
|
socket.onclose = event => {
|
|
window.log.info('provisioning socket closed. Code:', event.code);
|
|
if (!gotProvisionEnvelope) {
|
|
reject(new Error('websocket closed'));
|
|
}
|
|
};
|
|
socket.onopen = () => {
|
|
window.log.info('provisioning socket open');
|
|
};
|
|
const wsr = new WebSocketResource(socket, {
|
|
keepalive: { path: '/v1/keepalive/provisioning' },
|
|
handleRequest(request) {
|
|
if (request.path === '/v1/address' && request.verb === 'PUT') {
|
|
const proto = textsecure.protobuf.ProvisioningUuid.decode(
|
|
request.body
|
|
);
|
|
setProvisioningUrl(
|
|
[
|
|
'tsdevice:/?uuid=',
|
|
proto.uuid,
|
|
'&pub_key=',
|
|
encodeURIComponent(btoa(getString(pubKey))),
|
|
].join('')
|
|
);
|
|
request.respond(200, 'OK');
|
|
} else if (
|
|
request.path === '/v1/message' &&
|
|
request.verb === 'PUT'
|
|
) {
|
|
const envelope = textsecure.protobuf.ProvisionEnvelope.decode(
|
|
request.body,
|
|
'binary'
|
|
);
|
|
request.respond(200, 'OK');
|
|
gotProvisionEnvelope = true;
|
|
wsr.close();
|
|
resolve(
|
|
provisioningCipher
|
|
.decrypt(envelope)
|
|
.then(provisionMessage =>
|
|
queueTask(() =>
|
|
confirmNumber(provisionMessage.number).then(
|
|
deviceName => {
|
|
if (
|
|
typeof deviceName !== 'string' ||
|
|
deviceName.length === 0
|
|
) {
|
|
throw new Error('Invalid device name');
|
|
}
|
|
return createAccount(
|
|
provisionMessage.number,
|
|
provisionMessage.provisioningCode,
|
|
provisionMessage.identityKeyPair,
|
|
provisionMessage.profileKey,
|
|
deviceName,
|
|
provisionMessage.userAgent,
|
|
provisionMessage.readReceipts,
|
|
{ uuid: provisionMessage.uuid }
|
|
)
|
|
.then(clearSessionsAndPreKeys)
|
|
.then(generateKeys)
|
|
.then(keys =>
|
|
registerKeys(keys).then(() =>
|
|
confirmKeys(keys)
|
|
)
|
|
)
|
|
.then(() => registrationDone(provisionMessage));
|
|
}
|
|
)
|
|
)
|
|
)
|
|
);
|
|
} else {
|
|
window.log.error('Unknown websocket message', request.path);
|
|
}
|
|
},
|
|
});
|
|
})
|
|
);
|
|
},
|
|
refreshPreKeys() {
|
|
const generateKeys = this.generateKeys.bind(this, 100);
|
|
const registerKeys = this.server.registerKeys.bind(this.server);
|
|
|
|
return this.queueTask(() =>
|
|
this.server.getMyKeys().then(preKeyCount => {
|
|
window.log.info(`prekey count ${preKeyCount}`);
|
|
if (preKeyCount < 10) {
|
|
return generateKeys().then(registerKeys);
|
|
}
|
|
return null;
|
|
})
|
|
);
|
|
},
|
|
rotateSignedPreKey() {
|
|
return this.queueTask(() => {
|
|
const signedKeyId = textsecure.storage.get('signedKeyId', 1);
|
|
if (typeof signedKeyId !== 'number') {
|
|
throw new Error('Invalid signedKeyId');
|
|
}
|
|
|
|
const store = textsecure.storage.protocol;
|
|
const { server, cleanSignedPreKeys } = this;
|
|
|
|
return store
|
|
.getIdentityKeyPair()
|
|
.then(
|
|
identityKey =>
|
|
libsignal.KeyHelper.generateSignedPreKey(
|
|
identityKey,
|
|
signedKeyId
|
|
),
|
|
() => {
|
|
// We swallow any error here, because we don't want to get into
|
|
// a loop of repeated retries.
|
|
window.log.error(
|
|
'Failed to get identity key. Canceling key rotation.'
|
|
);
|
|
}
|
|
)
|
|
.then(res => {
|
|
if (!res) {
|
|
return null;
|
|
}
|
|
window.log.info('Saving new signed prekey', res.keyId);
|
|
return Promise.all([
|
|
textsecure.storage.put('signedKeyId', signedKeyId + 1),
|
|
store.storeSignedPreKey(res.keyId, res.keyPair),
|
|
server.setSignedPreKey({
|
|
keyId: res.keyId,
|
|
publicKey: res.keyPair.pubKey,
|
|
signature: res.signature,
|
|
}),
|
|
])
|
|
.then(() => {
|
|
const confirmed = true;
|
|
window.log.info('Confirming new signed prekey', res.keyId);
|
|
return Promise.all([
|
|
textsecure.storage.remove('signedKeyRotationRejected'),
|
|
store.storeSignedPreKey(res.keyId, res.keyPair, confirmed),
|
|
]);
|
|
})
|
|
.then(() => cleanSignedPreKeys());
|
|
})
|
|
.catch(e => {
|
|
window.log.error(
|
|
'rotateSignedPrekey error:',
|
|
e && e.stack ? e.stack : e
|
|
);
|
|
|
|
if (
|
|
e instanceof Error &&
|
|
e.name === 'HTTPError' &&
|
|
e.code >= 400 &&
|
|
e.code <= 599
|
|
) {
|
|
const rejections =
|
|
1 + textsecure.storage.get('signedKeyRotationRejected', 0);
|
|
textsecure.storage.put('signedKeyRotationRejected', rejections);
|
|
window.log.error(
|
|
'Signed key rotation rejected count:',
|
|
rejections
|
|
);
|
|
} else {
|
|
throw e;
|
|
}
|
|
});
|
|
});
|
|
},
|
|
queueTask(task) {
|
|
this.pendingQueue =
|
|
this.pendingQueue || new window.PQueue({ concurrency: 1 });
|
|
const taskWithTimeout = textsecure.createTaskWithTimeout(task);
|
|
|
|
return this.pendingQueue.add(taskWithTimeout);
|
|
},
|
|
cleanSignedPreKeys() {
|
|
const MINIMUM_KEYS = 3;
|
|
const store = textsecure.storage.protocol;
|
|
return store.loadSignedPreKeys().then(allKeys => {
|
|
allKeys.sort((a, b) => (a.created_at || 0) - (b.created_at || 0));
|
|
allKeys.reverse(); // we want the most recent first
|
|
const confirmed = allKeys.filter(key => key.confirmed);
|
|
const unconfirmed = allKeys.filter(key => !key.confirmed);
|
|
|
|
const recent = allKeys[0] ? allKeys[0].keyId : 'none';
|
|
const recentConfirmed = confirmed[0] ? confirmed[0].keyId : 'none';
|
|
window.log.info(`Most recent signed key: ${recent}`);
|
|
window.log.info(`Most recent confirmed signed key: ${recentConfirmed}`);
|
|
window.log.info(
|
|
'Total signed key count:',
|
|
allKeys.length,
|
|
'-',
|
|
confirmed.length,
|
|
'confirmed'
|
|
);
|
|
|
|
let confirmedCount = confirmed.length;
|
|
|
|
// Keep MINIMUM_KEYS confirmed keys, then drop if older than a week
|
|
confirmed.forEach((key, index) => {
|
|
if (index < MINIMUM_KEYS) {
|
|
return;
|
|
}
|
|
const createdAt = key.created_at || 0;
|
|
const age = Date.now() - createdAt;
|
|
|
|
if (age > ARCHIVE_AGE) {
|
|
window.log.info(
|
|
'Removing confirmed signed prekey:',
|
|
key.keyId,
|
|
'with timestamp:',
|
|
new Date(createdAt).toJSON()
|
|
);
|
|
store.removeSignedPreKey(key.keyId);
|
|
confirmedCount -= 1;
|
|
}
|
|
});
|
|
|
|
const stillNeeded = MINIMUM_KEYS - confirmedCount;
|
|
|
|
// If we still don't have enough total keys, we keep as many unconfirmed
|
|
// keys as necessary. If not necessary, and over a week old, we drop.
|
|
unconfirmed.forEach((key, index) => {
|
|
if (index < stillNeeded) {
|
|
return;
|
|
}
|
|
|
|
const createdAt = key.created_at || 0;
|
|
const age = Date.now() - createdAt;
|
|
if (age > ARCHIVE_AGE) {
|
|
window.log.info(
|
|
'Removing unconfirmed signed prekey:',
|
|
key.keyId,
|
|
'with timestamp:',
|
|
new Date(createdAt).toJSON()
|
|
);
|
|
store.removeSignedPreKey(key.keyId);
|
|
}
|
|
});
|
|
});
|
|
},
|
|
async createAccount(
|
|
number,
|
|
verificationCode,
|
|
identityKeyPair,
|
|
profileKey,
|
|
deviceName,
|
|
userAgent,
|
|
readReceipts,
|
|
options = {}
|
|
) {
|
|
const { accessKey } = options;
|
|
let password = btoa(getString(libsignal.crypto.getRandomBytes(16)));
|
|
password = password.substring(0, password.length - 2);
|
|
const registrationId = libsignal.KeyHelper.generateRegistrationId();
|
|
|
|
const previousNumber = getIdentifier(textsecure.storage.get('number_id'));
|
|
const previousUuid = getIdentifier(textsecure.storage.get('uuid_id'));
|
|
|
|
const encryptedDeviceName = await this.encryptDeviceName(
|
|
deviceName,
|
|
identityKeyPair
|
|
);
|
|
await this.deviceNameIsEncrypted();
|
|
|
|
window.log.info(
|
|
`createAccount: Number is ${number}, password has length: ${
|
|
password ? password.length : 'none'
|
|
}`
|
|
);
|
|
|
|
const response = await this.server.confirmCode(
|
|
number,
|
|
verificationCode,
|
|
password,
|
|
registrationId,
|
|
encryptedDeviceName,
|
|
{ accessKey }
|
|
);
|
|
|
|
const numberChanged = previousNumber && previousNumber !== number;
|
|
const uuidChanged =
|
|
previousUuid && response.uuid && previousUuid !== response.uuid;
|
|
|
|
if (numberChanged || uuidChanged) {
|
|
if (numberChanged) {
|
|
window.log.warn(
|
|
'New number is different from old number; deleting all previous data'
|
|
);
|
|
}
|
|
if (uuidChanged) {
|
|
window.log.warn(
|
|
'New uuid is different from old uuid; deleting all previous data'
|
|
);
|
|
}
|
|
|
|
try {
|
|
await textsecure.storage.protocol.removeAllData();
|
|
window.log.info('Successfully deleted previous data');
|
|
} catch (error) {
|
|
window.log.error(
|
|
'Something went wrong deleting data from previous number',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
}
|
|
|
|
await Promise.all([
|
|
textsecure.storage.remove('identityKey'),
|
|
textsecure.storage.remove('password'),
|
|
textsecure.storage.remove('registrationId'),
|
|
textsecure.storage.remove('number_id'),
|
|
textsecure.storage.remove('device_name'),
|
|
textsecure.storage.remove('regionCode'),
|
|
textsecure.storage.remove('userAgent'),
|
|
textsecure.storage.remove('profileKey'),
|
|
textsecure.storage.remove('read-receipts-setting'),
|
|
]);
|
|
|
|
// `setNumberAndDeviceId` and `setUuidAndDeviceId` need to be called
|
|
// before `saveIdentifyWithAttributes` since `saveIdentityWithAttributes`
|
|
// indirectly calls `ConversationController.getConverationId()` which
|
|
// initializes the conversation for the given number (our number) which
|
|
// calls out to the user storage API to get the stored UUID and number
|
|
// information.
|
|
await textsecure.storage.user.setNumberAndDeviceId(
|
|
number,
|
|
response.deviceId || 1,
|
|
deviceName
|
|
);
|
|
|
|
const setUuid = response.uuid;
|
|
if (setUuid) {
|
|
await textsecure.storage.user.setUuidAndDeviceId(
|
|
setUuid,
|
|
response.deviceId || 1
|
|
);
|
|
}
|
|
|
|
// update our own identity key, which may have changed
|
|
// if we're relinking after a reinstall on the master device
|
|
await textsecure.storage.protocol.saveIdentityWithAttributes(number, {
|
|
publicKey: identityKeyPair.pubKey,
|
|
firstUse: true,
|
|
timestamp: Date.now(),
|
|
verified: textsecure.storage.protocol.VerifiedStatus.VERIFIED,
|
|
nonblockingApproval: true,
|
|
});
|
|
|
|
await textsecure.storage.put('identityKey', identityKeyPair);
|
|
await textsecure.storage.put('password', password);
|
|
await textsecure.storage.put('registrationId', registrationId);
|
|
if (profileKey) {
|
|
await textsecure.storage.put('profileKey', profileKey);
|
|
}
|
|
if (userAgent) {
|
|
await textsecure.storage.put('userAgent', userAgent);
|
|
}
|
|
|
|
await textsecure.storage.put(
|
|
'read-receipt-setting',
|
|
Boolean(readReceipts)
|
|
);
|
|
|
|
const regionCode = libphonenumber.util.getRegionCodeForNumber(number);
|
|
await textsecure.storage.put('regionCode', regionCode);
|
|
await textsecure.storage.protocol.hydrateCaches();
|
|
},
|
|
async clearSessionsAndPreKeys() {
|
|
const store = textsecure.storage.protocol;
|
|
|
|
window.log.info('clearing all sessions, prekeys, and signed prekeys');
|
|
await Promise.all([
|
|
store.clearPreKeyStore(),
|
|
store.clearSignedPreKeysStore(),
|
|
store.clearSessionStore(),
|
|
]);
|
|
},
|
|
// Takes the same object returned by generateKeys
|
|
async confirmKeys(keys) {
|
|
const store = textsecure.storage.protocol;
|
|
const key = keys.signedPreKey;
|
|
const confirmed = true;
|
|
|
|
window.log.info('confirmKeys: confirming key', key.keyId);
|
|
await store.storeSignedPreKey(key.keyId, key.keyPair, confirmed);
|
|
},
|
|
generateKeys(count, providedProgressCallback) {
|
|
const progressCallback =
|
|
typeof providedProgressCallback === 'function'
|
|
? providedProgressCallback
|
|
: null;
|
|
const startId = textsecure.storage.get('maxPreKeyId', 1);
|
|
const signedKeyId = textsecure.storage.get('signedKeyId', 1);
|
|
|
|
if (typeof startId !== 'number') {
|
|
throw new Error('Invalid maxPreKeyId');
|
|
}
|
|
if (typeof signedKeyId !== 'number') {
|
|
throw new Error('Invalid signedKeyId');
|
|
}
|
|
|
|
const store = textsecure.storage.protocol;
|
|
return store.getIdentityKeyPair().then(identityKey => {
|
|
const result = { preKeys: [], identityKey: identityKey.pubKey };
|
|
const promises = [];
|
|
|
|
for (let keyId = startId; keyId < startId + count; keyId += 1) {
|
|
promises.push(
|
|
libsignal.KeyHelper.generatePreKey(keyId).then(res => {
|
|
store.storePreKey(res.keyId, res.keyPair);
|
|
result.preKeys.push({
|
|
keyId: res.keyId,
|
|
publicKey: res.keyPair.pubKey,
|
|
});
|
|
if (progressCallback) {
|
|
progressCallback();
|
|
}
|
|
})
|
|
);
|
|
}
|
|
|
|
promises.push(
|
|
libsignal.KeyHelper.generateSignedPreKey(
|
|
identityKey,
|
|
signedKeyId
|
|
).then(res => {
|
|
store.storeSignedPreKey(res.keyId, res.keyPair);
|
|
result.signedPreKey = {
|
|
keyId: res.keyId,
|
|
publicKey: res.keyPair.pubKey,
|
|
signature: res.signature,
|
|
// server.registerKeys doesn't use keyPair, confirmKeys does
|
|
keyPair: res.keyPair,
|
|
};
|
|
})
|
|
);
|
|
|
|
textsecure.storage.put('maxPreKeyId', startId + count);
|
|
textsecure.storage.put('signedKeyId', signedKeyId + 1);
|
|
return Promise.all(promises).then(() =>
|
|
// This is primarily for the signed prekey summary it logs out
|
|
this.cleanSignedPreKeys().then(() => result)
|
|
);
|
|
});
|
|
},
|
|
async registrationDone({ uuid, number }) {
|
|
window.log.info('registration done');
|
|
|
|
// Ensure that we always have a conversation for ourself
|
|
const conversation = await ConversationController.getOrCreateAndWait(
|
|
number || uuid,
|
|
'private'
|
|
);
|
|
conversation.updateE164(number);
|
|
conversation.updateUuid(uuid);
|
|
|
|
window.log.info('dispatching registration event');
|
|
|
|
this.dispatchEvent(new Event('registration'));
|
|
},
|
|
});
|
|
textsecure.AccountManager = AccountManager;
|
|
})();
|