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933 lines
28 KiB
JavaScript
933 lines
28 KiB
JavaScript
/*
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global
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dcodeIO,
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Backbone,
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_,
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libsignal,
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textsecure,
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ConversationController,
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stringObject,
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BlockedNumberController
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*/
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/* eslint-disable no-proto */
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// eslint-disable-next-line func-names
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(function() {
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'use strict';
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const TIMESTAMP_THRESHOLD = 5 * 1000; // 5 seconds
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const Direction = {
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SENDING: 1,
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RECEIVING: 2,
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};
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const VerifiedStatus = {
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DEFAULT: 0,
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VERIFIED: 1,
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UNVERIFIED: 2,
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};
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function validateVerifiedStatus(status) {
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if (
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status === VerifiedStatus.DEFAULT ||
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status === VerifiedStatus.VERIFIED ||
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status === VerifiedStatus.UNVERIFIED
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) {
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return true;
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}
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return false;
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}
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function convertVerifiedStatusToProtoState(status) {
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switch (status) {
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case VerifiedStatus.VERIFIED:
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return textsecure.protobuf.Verified.State.VERIFIED;
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case VerifiedStatus.UNVERIFIED:
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return textsecure.protobuf.Verified.State.VERIFIED;
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case VerifiedStatus.DEFAULT:
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// intentional fallthrough
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default:
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return textsecure.protobuf.Verified.State.DEFAULT;
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}
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}
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const StaticByteBufferProto = new dcodeIO.ByteBuffer().__proto__;
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const StaticArrayBufferProto = new ArrayBuffer().__proto__;
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const StaticUint8ArrayProto = new Uint8Array().__proto__;
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function isStringable(thing) {
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return (
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thing === Object(thing) &&
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(thing.__proto__ === StaticArrayBufferProto ||
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thing.__proto__ === StaticUint8ArrayProto ||
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thing.__proto__ === StaticByteBufferProto)
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);
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}
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function convertToArrayBuffer(thing) {
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if (thing === undefined) {
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return undefined;
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}
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if (thing === Object(thing)) {
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if (thing.__proto__ === StaticArrayBufferProto) {
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return thing;
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}
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// TODO: Several more cases here...
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}
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if (thing instanceof Array) {
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// Assuming Uint16Array from curve25519
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const res = new ArrayBuffer(thing.length * 2);
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const uint = new Uint16Array(res);
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for (let i = 0; i < thing.length; i += 1) {
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uint[i] = thing[i];
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}
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return res;
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}
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let str;
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if (isStringable(thing)) {
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str = stringObject(thing);
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} else if (typeof thing === 'string') {
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str = thing;
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} else {
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throw new Error(
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`Tried to convert a non-stringable thing of type ${typeof thing} to an array buffer`
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);
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}
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const res = new ArrayBuffer(str.length);
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const uint = new Uint8Array(res);
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for (let i = 0; i < str.length; i += 1) {
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uint[i] = str.charCodeAt(i);
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}
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return res;
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}
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function equalArrayBuffers(ab1, ab2) {
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if (!(ab1 instanceof ArrayBuffer && ab2 instanceof ArrayBuffer)) {
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return false;
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}
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if (ab1.byteLength !== ab2.byteLength) {
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return false;
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}
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let result = 0;
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const ta1 = new Uint8Array(ab1);
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const ta2 = new Uint8Array(ab2);
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for (let i = 0; i < ab1.byteLength; i += 1) {
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// eslint-disable-next-line no-bitwise
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result |= ta1[i] ^ ta2[i];
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}
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return result === 0;
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}
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const IdentityRecord = Backbone.Model.extend({
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storeName: 'identityKeys',
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validAttributes: [
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'id',
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'publicKey',
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'firstUse',
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'timestamp',
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'verified',
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'nonblockingApproval',
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],
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validate(attrs) {
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const attributeNames = _.keys(attrs);
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const { validAttributes } = this;
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const allValid = _.all(attributeNames, attributeName =>
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_.contains(validAttributes, attributeName)
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);
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if (!allValid) {
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return new Error('Invalid identity key attribute names');
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}
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const allPresent = _.all(validAttributes, attributeName =>
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_.contains(attributeNames, attributeName)
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);
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if (!allPresent) {
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return new Error('Missing identity key attributes');
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}
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if (typeof attrs.id !== 'string') {
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return new Error('Invalid identity key id');
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}
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if (!(attrs.publicKey instanceof ArrayBuffer)) {
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return new Error('Invalid identity key publicKey');
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}
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if (typeof attrs.firstUse !== 'boolean') {
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return new Error('Invalid identity key firstUse');
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}
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if (typeof attrs.timestamp !== 'number' || !(attrs.timestamp >= 0)) {
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return new Error('Invalid identity key timestamp');
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}
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if (!validateVerifiedStatus(attrs.verified)) {
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return new Error('Invalid identity key verified');
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}
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if (typeof attrs.nonblockingApproval !== 'boolean') {
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return new Error('Invalid identity key nonblockingApproval');
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}
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return null;
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},
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});
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function SignalProtocolStore() {}
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async function _hydrateCache(object, field, items, idField) {
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const cache = Object.create(null);
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for (let i = 0, max = items.length; i < max; i += 1) {
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const item = items[i];
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const id = item[idField];
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cache[id] = item;
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}
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window.log.info(`SignalProtocolStore: Finished caching ${field} data`);
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// eslint-disable-next-line no-param-reassign
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object[field] = cache;
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}
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SignalProtocolStore.prototype = {
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constructor: SignalProtocolStore,
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async hydrateCaches() {
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await Promise.all([
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_hydrateCache(
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this,
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'identityKeys',
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await window.Signal.Data.getAllIdentityKeys(),
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'id'
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),
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_hydrateCache(
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this,
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'sessions',
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await window.Signal.Data.getAllSessions(),
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'id'
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),
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_hydrateCache(
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this,
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'preKeys',
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await window.Signal.Data.getAllPreKeys(),
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'id'
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),
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_hydrateCache(
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this,
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'signedPreKeys',
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await window.Signal.Data.getAllSignedPreKeys(),
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'id'
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),
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]);
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},
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async getIdentityKeyPair() {
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const item = await window.Signal.Data.getItemById('identityKey');
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if (item) {
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return item.value;
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}
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window.log.error('Could not load identityKey from SignalData');
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return undefined;
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},
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async getLocalRegistrationId() {
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const item = await window.Signal.Data.getItemById('registrationId');
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if (item) {
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return item.value;
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}
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return 1;
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},
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// PreKeys
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async loadPreKey(keyId) {
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const key = this.preKeys[keyId];
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if (key) {
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window.log.info('Successfully fetched prekey:', keyId);
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return {
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pubKey: key.publicKey,
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privKey: key.privateKey,
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};
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}
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window.log.error('Failed to fetch prekey:', keyId);
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return undefined;
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},
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async loadPreKeyForContact(contactPubKey) {
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const key = await window.Signal.Data.getPreKeyByRecipient(contactPubKey);
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if (key) {
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window.log.info(
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'Successfully fetched prekey for recipient:',
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contactPubKey
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);
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return {
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pubKey: key.publicKey,
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privKey: key.privateKey,
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keyId: key.id,
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recipient: key.recipient,
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};
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}
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return undefined;
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},
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async storePreKey(keyId, keyPair, contactPubKey) {
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const data = {
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id: keyId,
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publicKey: keyPair.pubKey,
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privateKey: keyPair.privKey,
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recipient: contactPubKey,
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};
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this.preKeys[keyId] = data;
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await window.Signal.Data.createOrUpdatePreKey(data);
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},
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async removePreKey(keyId) {
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try {
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this.trigger('removePreKey');
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} catch (error) {
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window.log.error(
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'removePreKey error triggering removePreKey:',
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error && error.stack ? error.stack : error
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);
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}
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delete this.preKeys[keyId];
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await window.Signal.Data.removePreKeyById(keyId);
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},
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async clearPreKeyStore() {
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this.preKeys = Object.create(null);
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await window.Signal.Data.removeAllPreKeys();
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},
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// Signed PreKeys
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/* Returns a signed keypair object or undefined */
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async loadSignedPreKey(keyId) {
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const key = this.signedPreKeys[keyId];
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if (key) {
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window.log.info('Successfully fetched signed prekey:', key.id);
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return {
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pubKey: key.publicKey,
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privKey: key.privateKey,
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created_at: key.created_at,
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keyId: key.id,
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confirmed: key.confirmed,
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signature: key.signature,
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};
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}
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window.log.error('Failed to fetch signed prekey:', keyId);
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return undefined;
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},
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async loadSignedPreKeys() {
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if (arguments.length > 0) {
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throw new Error('loadSignedPreKeys takes no arguments');
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}
|
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const keys = Object.values(this.signedPreKeys);
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return keys.map(prekey => ({
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pubKey: prekey.publicKey,
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privKey: prekey.privateKey,
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created_at: prekey.created_at,
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keyId: prekey.id,
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confirmed: prekey.confirmed,
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signature: prekey.signature,
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}));
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},
|
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async storeSignedPreKey(keyId, keyPair, confirmed, signature) {
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const data = {
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id: keyId,
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publicKey: keyPair.pubKey,
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privateKey: keyPair.privKey,
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created_at: Date.now(),
|
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confirmed: Boolean(confirmed),
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signature,
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};
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this.signedPreKeys[keyId] = data;
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await window.Signal.Data.createOrUpdateSignedPreKey(data);
|
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},
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async removeSignedPreKey(keyId) {
|
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delete this.signedPreKeys[keyId];
|
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await window.Signal.Data.removeSignedPreKeyById(keyId);
|
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},
|
|
async clearSignedPreKeysStore() {
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this.signedPreKeys = Object.create(null);
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await window.Signal.Data.removeAllSignedPreKeys();
|
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},
|
|
|
|
// Sessions
|
|
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async loadSession(encodedNumber) {
|
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if (encodedNumber === null || encodedNumber === undefined) {
|
|
throw new Error('Tried to get session for undefined/null number');
|
|
}
|
|
|
|
const session = this.sessions[encodedNumber];
|
|
if (session) {
|
|
return session.record;
|
|
}
|
|
|
|
return undefined;
|
|
},
|
|
async storeSession(encodedNumber, record) {
|
|
if (encodedNumber === null || encodedNumber === undefined) {
|
|
throw new Error('Tried to put session for undefined/null number');
|
|
}
|
|
const unencoded = textsecure.utils.unencodeNumber(encodedNumber);
|
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const number = unencoded[0];
|
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const deviceId = parseInt(unencoded[1], 10);
|
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|
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const data = {
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id: encodedNumber,
|
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number,
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deviceId,
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record,
|
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};
|
|
|
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this.sessions[encodedNumber] = data;
|
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await window.Signal.Data.createOrUpdateSession(data);
|
|
},
|
|
async getDeviceIds(number) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to get device ids for undefined/null number');
|
|
}
|
|
|
|
const allSessions = Object.values(this.sessions);
|
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const sessions = allSessions.filter(session => session.number === number);
|
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return _.pluck(sessions, 'deviceId');
|
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},
|
|
async removeSession(encodedNumber) {
|
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window.log.info('deleting session for ', encodedNumber);
|
|
delete this.sessions[encodedNumber];
|
|
await window.Signal.Data.removeSessionById(encodedNumber);
|
|
},
|
|
async removeAllSessions(number) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to remove sessions for undefined/null number');
|
|
}
|
|
|
|
const allSessions = Object.values(this.sessions);
|
|
for (let i = 0, max = allSessions.length; i < max; i += 1) {
|
|
const session = allSessions[i];
|
|
if (session.number === number) {
|
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delete this.sessions[session.id];
|
|
}
|
|
}
|
|
await window.Signal.Data.removeSessionsByNumber(number);
|
|
},
|
|
async archiveSiblingSessions(identifier) {
|
|
const address = libsignal.SignalProtocolAddress.fromString(identifier);
|
|
|
|
const deviceIds = await this.getDeviceIds(address.getName());
|
|
const siblings = _.without(deviceIds, address.getDeviceId());
|
|
|
|
await Promise.all(
|
|
siblings.map(async deviceId => {
|
|
const sibling = new libsignal.SignalProtocolAddress(
|
|
address.getName(),
|
|
deviceId
|
|
);
|
|
window.log.info('closing session for', sibling.toString());
|
|
const sessionCipher = new libsignal.SessionCipher(
|
|
textsecure.storage.protocol,
|
|
sibling
|
|
);
|
|
await sessionCipher.closeOpenSessionForDevice();
|
|
})
|
|
);
|
|
},
|
|
async archiveAllSessions(number) {
|
|
const deviceIds = await this.getDeviceIds(number);
|
|
|
|
await Promise.all(
|
|
deviceIds.map(async deviceId => {
|
|
const address = new libsignal.SignalProtocolAddress(number, deviceId);
|
|
window.log.info('closing session for', address.toString());
|
|
const sessionCipher = new libsignal.SessionCipher(
|
|
textsecure.storage.protocol,
|
|
address
|
|
);
|
|
await sessionCipher.closeOpenSessionForDevice();
|
|
})
|
|
);
|
|
},
|
|
async clearSessionStore() {
|
|
this.sessions = Object.create(null);
|
|
window.Signal.Data.removeAllSessions();
|
|
},
|
|
|
|
// Identity Keys
|
|
|
|
async isTrustedIdentity(identifier, publicKey, direction) {
|
|
if (identifier === null || identifier === undefined) {
|
|
throw new Error('Tried to get identity key for undefined/null key');
|
|
}
|
|
const number = textsecure.utils.unencodeNumber(identifier)[0];
|
|
const isOurNumber = number === textsecure.storage.user.getNumber();
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
if (isOurNumber) {
|
|
const existing = identityRecord ? identityRecord.publicKey : null;
|
|
return equalArrayBuffers(existing, publicKey);
|
|
}
|
|
|
|
switch (direction) {
|
|
case Direction.SENDING:
|
|
return this.isTrustedForSending(publicKey, identityRecord);
|
|
case Direction.RECEIVING:
|
|
return true;
|
|
default:
|
|
throw new Error(`Unknown direction: ${direction}`);
|
|
}
|
|
},
|
|
isTrustedForSending(publicKey, identityRecord) {
|
|
if (!identityRecord) {
|
|
window.log.info(
|
|
'isTrustedForSending: No previous record, returning true...'
|
|
);
|
|
return true;
|
|
}
|
|
|
|
const existing = identityRecord.publicKey;
|
|
|
|
if (!existing) {
|
|
window.log.info('isTrustedForSending: Nothing here, returning true...');
|
|
return true;
|
|
}
|
|
if (!equalArrayBuffers(existing, publicKey)) {
|
|
window.log.info("isTrustedForSending: Identity keys don't match...");
|
|
return false;
|
|
}
|
|
if (identityRecord.verified === VerifiedStatus.UNVERIFIED) {
|
|
window.log.error('Needs unverified approval!');
|
|
return false;
|
|
}
|
|
if (this.isNonBlockingApprovalRequired(identityRecord)) {
|
|
window.log.error('isTrustedForSending: Needs non-blocking approval!');
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
async loadIdentityKey(identifier) {
|
|
if (identifier === null || identifier === undefined) {
|
|
throw new Error('Tried to get identity key for undefined/null key');
|
|
}
|
|
const number = textsecure.utils.unencodeNumber(identifier)[0];
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
if (identityRecord) {
|
|
return identityRecord.publicKey;
|
|
}
|
|
|
|
return undefined;
|
|
},
|
|
async _saveIdentityKey(data) {
|
|
const { id } = data;
|
|
this.identityKeys[id] = data;
|
|
await window.Signal.Data.createOrUpdateIdentityKey(data);
|
|
},
|
|
async saveIdentity(identifier, publicKey, nonblockingApproval) {
|
|
if (identifier === null || identifier === undefined) {
|
|
throw new Error('Tried to put identity key for undefined/null key');
|
|
}
|
|
if (!(publicKey instanceof ArrayBuffer)) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
publicKey = convertToArrayBuffer(publicKey);
|
|
}
|
|
if (typeof nonblockingApproval !== 'boolean') {
|
|
// eslint-disable-next-line no-param-reassign
|
|
nonblockingApproval = false;
|
|
}
|
|
|
|
const number = textsecure.utils.unencodeNumber(identifier)[0];
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
if (!identityRecord || !identityRecord.publicKey) {
|
|
// Lookup failed, or the current key was removed, so save this one.
|
|
window.log.info('Saving new identity...');
|
|
await this._saveIdentityKey({
|
|
id: number,
|
|
publicKey,
|
|
firstUse: true,
|
|
timestamp: Date.now(),
|
|
verified: VerifiedStatus.DEFAULT,
|
|
nonblockingApproval,
|
|
});
|
|
|
|
return false;
|
|
}
|
|
|
|
const oldpublicKey = identityRecord.publicKey;
|
|
if (!equalArrayBuffers(oldpublicKey, publicKey)) {
|
|
window.log.info('Replacing existing identity...');
|
|
const previousStatus = identityRecord.verified;
|
|
let verifiedStatus;
|
|
if (
|
|
previousStatus === VerifiedStatus.VERIFIED ||
|
|
previousStatus === VerifiedStatus.UNVERIFIED
|
|
) {
|
|
verifiedStatus = VerifiedStatus.UNVERIFIED;
|
|
} else {
|
|
verifiedStatus = VerifiedStatus.DEFAULT;
|
|
}
|
|
|
|
await this._saveIdentityKey({
|
|
id: number,
|
|
publicKey,
|
|
firstUse: false,
|
|
timestamp: Date.now(),
|
|
verified: verifiedStatus,
|
|
nonblockingApproval,
|
|
});
|
|
|
|
try {
|
|
this.trigger('keychange', number);
|
|
} catch (error) {
|
|
window.log.error(
|
|
'saveIdentity error triggering keychange:',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
await this.archiveSiblingSessions(identifier);
|
|
|
|
return true;
|
|
} else if (this.isNonBlockingApprovalRequired(identityRecord)) {
|
|
window.log.info('Setting approval status...');
|
|
|
|
identityRecord.nonblockingApproval = nonblockingApproval;
|
|
await this._saveIdentityKey(identityRecord);
|
|
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
isNonBlockingApprovalRequired(identityRecord) {
|
|
return (
|
|
!identityRecord.firstUse &&
|
|
Date.now() - identityRecord.timestamp < TIMESTAMP_THRESHOLD &&
|
|
!identityRecord.nonblockingApproval
|
|
);
|
|
},
|
|
async saveIdentityWithAttributes(identifier, attributes) {
|
|
if (identifier === null || identifier === undefined) {
|
|
throw new Error('Tried to put identity key for undefined/null key');
|
|
}
|
|
|
|
const number = textsecure.utils.unencodeNumber(identifier)[0];
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
const updates = {
|
|
id: number,
|
|
...identityRecord,
|
|
...attributes,
|
|
};
|
|
|
|
const model = new IdentityRecord(updates);
|
|
if (model.isValid()) {
|
|
await this._saveIdentityKey(updates);
|
|
} else {
|
|
throw model.validationError;
|
|
}
|
|
},
|
|
async setApproval(identifier, nonblockingApproval) {
|
|
if (identifier === null || identifier === undefined) {
|
|
throw new Error('Tried to set approval for undefined/null identifier');
|
|
}
|
|
if (typeof nonblockingApproval !== 'boolean') {
|
|
throw new Error('Invalid approval status');
|
|
}
|
|
|
|
const number = textsecure.utils.unencodeNumber(identifier)[0];
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
if (!identityRecord) {
|
|
throw new Error(`No identity record for ${number}`);
|
|
}
|
|
|
|
identityRecord.nonblockingApproval = nonblockingApproval;
|
|
await this._saveIdentityKey(identityRecord);
|
|
},
|
|
async setVerified(number, verifiedStatus, publicKey) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to set verified for undefined/null key');
|
|
}
|
|
if (!validateVerifiedStatus(verifiedStatus)) {
|
|
throw new Error('Invalid verified status');
|
|
}
|
|
if (arguments.length > 2 && !(publicKey instanceof ArrayBuffer)) {
|
|
throw new Error('Invalid public key');
|
|
}
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
if (!identityRecord) {
|
|
throw new Error(`No identity record for ${number}`);
|
|
}
|
|
|
|
if (
|
|
!publicKey ||
|
|
equalArrayBuffers(identityRecord.publicKey, publicKey)
|
|
) {
|
|
identityRecord.verified = verifiedStatus;
|
|
|
|
const model = new IdentityRecord(identityRecord);
|
|
if (model.isValid()) {
|
|
await this._saveIdentityKey(identityRecord);
|
|
} else {
|
|
throw identityRecord.validationError;
|
|
}
|
|
} else {
|
|
window.log.info('No identity record for specified publicKey');
|
|
}
|
|
},
|
|
async getVerified(number) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to set verified for undefined/null key');
|
|
}
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
if (!identityRecord) {
|
|
throw new Error(`No identity record for ${number}`);
|
|
}
|
|
|
|
const verifiedStatus = identityRecord.verified;
|
|
if (validateVerifiedStatus(verifiedStatus)) {
|
|
return verifiedStatus;
|
|
}
|
|
|
|
return VerifiedStatus.DEFAULT;
|
|
},
|
|
// Resolves to true if a new identity key was saved
|
|
processContactSyncVerificationState(identifier, verifiedStatus, publicKey) {
|
|
if (verifiedStatus === VerifiedStatus.UNVERIFIED) {
|
|
return this.processUnverifiedMessage(
|
|
identifier,
|
|
verifiedStatus,
|
|
publicKey
|
|
);
|
|
}
|
|
return this.processVerifiedMessage(identifier, verifiedStatus, publicKey);
|
|
},
|
|
// This function encapsulates the non-Java behavior, since the mobile apps don't
|
|
// currently receive contact syncs and therefore will see a verify sync with
|
|
// UNVERIFIED status
|
|
async processUnverifiedMessage(number, verifiedStatus, publicKey) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to set verified for undefined/null key');
|
|
}
|
|
if (publicKey !== undefined && !(publicKey instanceof ArrayBuffer)) {
|
|
throw new Error('Invalid public key');
|
|
}
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
const isPresent = Boolean(identityRecord);
|
|
let isEqual = false;
|
|
|
|
if (isPresent && publicKey) {
|
|
isEqual = equalArrayBuffers(publicKey, identityRecord.publicKey);
|
|
}
|
|
|
|
if (
|
|
isPresent &&
|
|
isEqual &&
|
|
identityRecord.verified !== VerifiedStatus.UNVERIFIED
|
|
) {
|
|
await textsecure.storage.protocol.setVerified(
|
|
number,
|
|
verifiedStatus,
|
|
publicKey
|
|
);
|
|
return false;
|
|
}
|
|
|
|
if (!isPresent || !isEqual) {
|
|
await textsecure.storage.protocol.saveIdentityWithAttributes(number, {
|
|
publicKey,
|
|
verified: verifiedStatus,
|
|
firstUse: false,
|
|
timestamp: Date.now(),
|
|
nonblockingApproval: true,
|
|
});
|
|
|
|
if (isPresent && !isEqual) {
|
|
try {
|
|
this.trigger('keychange', number);
|
|
} catch (error) {
|
|
window.log.error(
|
|
'processUnverifiedMessage error triggering keychange:',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
|
|
await this.archiveAllSessions(number);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// The situation which could get us here is:
|
|
// 1. had a previous key
|
|
// 2. new key is the same
|
|
// 3. desired new status is same as what we had before
|
|
return false;
|
|
},
|
|
// This matches the Java method as of
|
|
// https://github.com/signalapp/Signal-Android/blob/d0bb68e1378f689e4d10ac6a46014164992ca4e4/src/org/thoughtcrime/securesms/util/IdentityUtil.java#L188
|
|
async processVerifiedMessage(number, verifiedStatus, publicKey) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to set verified for undefined/null key');
|
|
}
|
|
if (!validateVerifiedStatus(verifiedStatus)) {
|
|
throw new Error('Invalid verified status');
|
|
}
|
|
if (publicKey !== undefined && !(publicKey instanceof ArrayBuffer)) {
|
|
throw new Error('Invalid public key');
|
|
}
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
|
|
const isPresent = Boolean(identityRecord);
|
|
let isEqual = false;
|
|
|
|
if (isPresent && publicKey) {
|
|
isEqual = equalArrayBuffers(publicKey, identityRecord.publicKey);
|
|
}
|
|
|
|
if (!isPresent && verifiedStatus === VerifiedStatus.DEFAULT) {
|
|
window.log.info('No existing record for default status');
|
|
return false;
|
|
}
|
|
|
|
if (
|
|
isPresent &&
|
|
isEqual &&
|
|
identityRecord.verified !== VerifiedStatus.DEFAULT &&
|
|
verifiedStatus === VerifiedStatus.DEFAULT
|
|
) {
|
|
await textsecure.storage.protocol.setVerified(
|
|
number,
|
|
verifiedStatus,
|
|
publicKey
|
|
);
|
|
return false;
|
|
}
|
|
|
|
if (
|
|
verifiedStatus === VerifiedStatus.VERIFIED &&
|
|
(!isPresent ||
|
|
(isPresent && !isEqual) ||
|
|
(isPresent && identityRecord.verified !== VerifiedStatus.VERIFIED))
|
|
) {
|
|
await textsecure.storage.protocol.saveIdentityWithAttributes(number, {
|
|
publicKey,
|
|
verified: verifiedStatus,
|
|
firstUse: false,
|
|
timestamp: Date.now(),
|
|
nonblockingApproval: true,
|
|
});
|
|
|
|
if (isPresent && !isEqual) {
|
|
try {
|
|
this.trigger('keychange', number);
|
|
} catch (error) {
|
|
window.log.error(
|
|
'processVerifiedMessage error triggering keychange:',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
|
|
await this.archiveAllSessions(number);
|
|
|
|
// true signifies that we overwrote a previous key with a new one
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// We get here if we got a new key and the status is DEFAULT. If the
|
|
// message is out of date, we don't want to lose whatever more-secure
|
|
// state we had before.
|
|
return false;
|
|
},
|
|
async isUntrusted(number) {
|
|
if (number === null || number === undefined) {
|
|
throw new Error('Tried to set verified for undefined/null key');
|
|
}
|
|
|
|
const identityRecord = this.identityKeys[number];
|
|
if (!identityRecord) {
|
|
throw new Error(`No identity record for ${number}`);
|
|
}
|
|
|
|
if (
|
|
Date.now() - identityRecord.timestamp < TIMESTAMP_THRESHOLD &&
|
|
!identityRecord.nonblockingApproval &&
|
|
!identityRecord.firstUse
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
async removeIdentityKey(number) {
|
|
delete this.identityKeys[number];
|
|
await window.Signal.Data.removeIdentityKeyById(number);
|
|
await textsecure.storage.protocol.removeAllSessions(number);
|
|
},
|
|
|
|
// Not yet processed messages - for resiliency
|
|
getUnprocessedCount() {
|
|
return window.Signal.Data.getUnprocessedCount();
|
|
},
|
|
getAllUnprocessed() {
|
|
return window.Signal.Data.getAllUnprocessed();
|
|
},
|
|
getUnprocessedById(id) {
|
|
return window.Signal.Data.getUnprocessedById(id);
|
|
},
|
|
addUnprocessed(data) {
|
|
// We need to pass forceSave because the data has an id already, which will cause
|
|
// an update instead of an insert.
|
|
return window.Signal.Data.saveUnprocessed(data, {
|
|
forceSave: true,
|
|
});
|
|
},
|
|
updateUnprocessedAttempts(id, attempts) {
|
|
return window.Signal.Data.updateUnprocessedAttempts(id, attempts);
|
|
},
|
|
updateUnprocessedWithData(id, data) {
|
|
return window.Signal.Data.updateUnprocessedWithData(id, data);
|
|
},
|
|
removeUnprocessed(id) {
|
|
return window.Signal.Data.removeUnprocessed(id);
|
|
},
|
|
removeAllUnprocessed() {
|
|
return window.Signal.Data.removeAllUnprocessed();
|
|
},
|
|
async removeAllData() {
|
|
await window.Signal.Data.removeAll();
|
|
await this.hydrateCaches();
|
|
|
|
window.storage.reset();
|
|
await window.storage.fetch();
|
|
|
|
ConversationController.reset();
|
|
BlockedNumberController.reset();
|
|
await ConversationController.load();
|
|
BlockedNumberController.refresh();
|
|
},
|
|
async removeAllConfiguration() {
|
|
await window.Signal.Data.removeAllConfiguration();
|
|
await this.hydrateCaches();
|
|
|
|
window.storage.reset();
|
|
await window.storage.fetch();
|
|
},
|
|
};
|
|
_.extend(SignalProtocolStore.prototype, Backbone.Events);
|
|
|
|
window.SignalProtocolStore = SignalProtocolStore;
|
|
window.SignalProtocolStore.prototype.Direction = Direction;
|
|
window.SignalProtocolStore.prototype.VerifiedStatus = VerifiedStatus;
|
|
window.SignalProtocolStore.prototype.convertVerifiedStatusToProtoState = convertVerifiedStatusToProtoState;
|
|
})();
|