5899 lines
166 KiB
TypeScript
5899 lines
166 KiB
TypeScript
// Copyright 2020-2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import {
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compact,
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difference,
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flatten,
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fromPairs,
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isNumber,
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values,
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} from 'lodash';
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import type { ClientZkGroupCipher } from '@signalapp/signal-client/zkgroup';
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import { v4 as getGuid } from 'uuid';
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import LRU from 'lru-cache';
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import PQueue from 'p-queue';
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import * as log from './logging/log';
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import {
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getCredentialsForToday,
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GROUP_CREDENTIALS_KEY,
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maybeFetchNewCredentials,
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} from './services/groupCredentialFetcher';
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import dataInterface from './sql/Client';
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import { toWebSafeBase64, fromWebSafeBase64 } from './util/webSafeBase64';
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import { assert, strictAssert } from './util/assert';
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import { isMoreRecentThan } from './util/timestamp';
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import * as durations from './util/durations';
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import { normalizeUuid } from './util/normalizeUuid';
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import { dropNull } from './util/dropNull';
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import type {
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ConversationAttributesType,
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GroupV2MemberType,
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GroupV2PendingAdminApprovalType,
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GroupV2PendingMemberType,
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MessageAttributesType,
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} from './model-types.d';
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import {
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createProfileKeyCredentialPresentation,
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decryptGroupBlob,
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decryptProfileKey,
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decryptProfileKeyCredentialPresentation,
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decryptUuid,
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deriveGroupID,
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deriveGroupPublicParams,
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deriveGroupSecretParams,
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encryptGroupBlob,
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encryptUuid,
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getAuthCredentialPresentation,
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getClientZkAuthOperations,
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getClientZkGroupCipher,
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getClientZkProfileOperations,
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} from './util/zkgroup';
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import {
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computeHash,
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deriveMasterKeyFromGroupV1,
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getRandomBytes,
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} from './Crypto';
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import type {
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GroupCredentialsType,
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GroupLogResponseType,
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} from './textsecure/WebAPI';
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import type MessageSender from './textsecure/SendMessage';
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import type { CallbackResultType } from './textsecure/Types.d';
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import { CURRENT_SCHEMA_VERSION as MAX_MESSAGE_SCHEMA } from '../js/modules/types/message';
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import type { ConversationModel } from './models/conversations';
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import { getGroupSizeHardLimit } from './groups/limits';
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import { ourProfileKeyService } from './services/ourProfileKey';
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import {
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isGroupV1 as getIsGroupV1,
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isGroupV2 as getIsGroupV2,
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isMe,
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} from './util/whatTypeOfConversation';
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import type { SendTypesType } from './util/handleMessageSend';
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import { handleMessageSend } from './util/handleMessageSend';
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import { getSendOptions } from './util/getSendOptions';
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import * as Bytes from './Bytes';
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import type { AvatarDataType } from './types/Avatar';
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import { UUID, isValidUuid } from './types/UUID';
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import type { UUIDStringType } from './types/UUID';
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import { SignalService as Proto } from './protobuf';
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import AccessRequiredEnum = Proto.AccessControl.AccessRequired;
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export { joinViaLink } from './groups/joinViaLink';
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type GroupV2AccessCreateChangeType = {
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type: 'create';
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};
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type GroupV2AccessAttributesChangeType = {
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type: 'access-attributes';
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newPrivilege: number;
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};
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type GroupV2AccessMembersChangeType = {
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type: 'access-members';
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newPrivilege: number;
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};
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type GroupV2AccessInviteLinkChangeType = {
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type: 'access-invite-link';
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newPrivilege: number;
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};
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type GroupV2AnnouncementsOnlyChangeType = {
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type: 'announcements-only';
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announcementsOnly: boolean;
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};
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type GroupV2AvatarChangeType = {
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type: 'avatar';
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removed: boolean;
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};
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type GroupV2TitleChangeType = {
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type: 'title';
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// Allow for null, because the title could be removed entirely
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newTitle?: string;
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};
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type GroupV2GroupLinkAddChangeType = {
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type: 'group-link-add';
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privilege: number;
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};
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type GroupV2GroupLinkResetChangeType = {
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type: 'group-link-reset';
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};
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type GroupV2GroupLinkRemoveChangeType = {
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type: 'group-link-remove';
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};
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// No disappearing messages timer change type - message.expirationTimerUpdate used instead
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type GroupV2MemberAddChangeType = {
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type: 'member-add';
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uuid: UUIDStringType;
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};
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type GroupV2MemberAddFromInviteChangeType = {
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type: 'member-add-from-invite';
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uuid: UUIDStringType;
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inviter?: UUIDStringType;
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};
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type GroupV2MemberAddFromLinkChangeType = {
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type: 'member-add-from-link';
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uuid: UUIDStringType;
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};
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type GroupV2MemberAddFromAdminApprovalChangeType = {
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type: 'member-add-from-admin-approval';
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uuid: UUIDStringType;
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};
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type GroupV2MemberPrivilegeChangeType = {
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type: 'member-privilege';
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uuid: UUIDStringType;
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newPrivilege: number;
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};
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type GroupV2MemberRemoveChangeType = {
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type: 'member-remove';
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uuid: UUIDStringType;
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};
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type GroupV2PendingAddOneChangeType = {
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type: 'pending-add-one';
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uuid: UUIDStringType;
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};
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type GroupV2PendingAddManyChangeType = {
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type: 'pending-add-many';
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count: number;
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};
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// Note: pending-remove is only used if user didn't also join the group at the same time
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type GroupV2PendingRemoveOneChangeType = {
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type: 'pending-remove-one';
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uuid: UUIDStringType;
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inviter?: UUIDStringType;
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};
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// Note: pending-remove is only used if user didn't also join the group at the same time
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type GroupV2PendingRemoveManyChangeType = {
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type: 'pending-remove-many';
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count: number;
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inviter?: UUIDStringType;
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};
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type GroupV2AdminApprovalAddOneChangeType = {
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type: 'admin-approval-add-one';
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uuid: UUIDStringType;
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};
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// Note: admin-approval-remove-one is only used if user didn't also join the group at
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// the same time
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type GroupV2AdminApprovalRemoveOneChangeType = {
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type: 'admin-approval-remove-one';
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uuid: UUIDStringType;
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inviter?: UUIDStringType;
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};
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export type GroupV2DescriptionChangeType = {
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type: 'description';
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removed?: boolean;
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// Adding this field; cannot remove previous field for backwards compatibility
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description?: string;
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};
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export type GroupV2ChangeDetailType =
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| GroupV2AccessAttributesChangeType
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| GroupV2AccessCreateChangeType
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| GroupV2AccessInviteLinkChangeType
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| GroupV2AccessMembersChangeType
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| GroupV2AdminApprovalAddOneChangeType
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| GroupV2AdminApprovalRemoveOneChangeType
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| GroupV2AnnouncementsOnlyChangeType
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| GroupV2AvatarChangeType
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| GroupV2DescriptionChangeType
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| GroupV2GroupLinkAddChangeType
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| GroupV2GroupLinkRemoveChangeType
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| GroupV2GroupLinkResetChangeType
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| GroupV2MemberAddChangeType
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| GroupV2MemberAddFromAdminApprovalChangeType
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| GroupV2MemberAddFromInviteChangeType
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| GroupV2MemberAddFromLinkChangeType
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| GroupV2MemberPrivilegeChangeType
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| GroupV2MemberRemoveChangeType
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| GroupV2PendingAddManyChangeType
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| GroupV2PendingAddOneChangeType
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| GroupV2PendingRemoveManyChangeType
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| GroupV2PendingRemoveOneChangeType
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| GroupV2TitleChangeType;
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export type GroupV2ChangeType = {
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from?: UUIDStringType;
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details: Array<GroupV2ChangeDetailType>;
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};
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export type GroupFields = {
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readonly id: Uint8Array;
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readonly secretParams: Uint8Array;
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readonly publicParams: Uint8Array;
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};
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const MAX_CACHED_GROUP_FIELDS = 100;
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const groupFieldsCache = new LRU<string, GroupFields>({
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max: MAX_CACHED_GROUP_FIELDS,
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});
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const { updateConversation } = dataInterface;
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if (!isNumber(MAX_MESSAGE_SCHEMA)) {
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throw new Error(
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'groups.ts: Unable to capture max message schema from js/modules/types/message'
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);
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}
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type MemberType = {
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profileKey: string;
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uuid: UUIDStringType;
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};
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type UpdatesResultType = {
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// The array of new messages to be added into the message timeline
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groupChangeMessages: Array<MessageAttributesType>;
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// The set of members in the group, and we largely just pull profile keys for each,
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// because the group membership is updated in newAttributes
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members: Array<MemberType>;
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// To be merged into the conversation model
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newAttributes: ConversationAttributesType;
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};
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type UploadedAvatarType = {
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data: Uint8Array;
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hash: string;
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key: string;
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};
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// Constants
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export const MASTER_KEY_LENGTH = 32;
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const GROUP_TITLE_MAX_ENCRYPTED_BYTES = 1024;
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const GROUP_DESC_MAX_ENCRYPTED_BYTES = 8192;
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export const ID_V1_LENGTH = 16;
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export const ID_LENGTH = 32;
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const TEMPORAL_AUTH_REJECTED_CODE = 401;
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const GROUP_ACCESS_DENIED_CODE = 403;
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const GROUP_NONEXISTENT_CODE = 404;
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const SUPPORTED_CHANGE_EPOCH = 2;
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export const LINK_VERSION_ERROR = 'LINK_VERSION_ERROR';
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const GROUP_INVITE_LINK_PASSWORD_LENGTH = 16;
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// Group Links
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export function generateGroupInviteLinkPassword(): Uint8Array {
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return getRandomBytes(GROUP_INVITE_LINK_PASSWORD_LENGTH);
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}
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// Group Links
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export async function getPreJoinGroupInfo(
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inviteLinkPasswordBase64: string,
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masterKeyBase64: string
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): Promise<Proto.GroupJoinInfo> {
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const data = window.Signal.Groups.deriveGroupFields(
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Bytes.fromBase64(masterKeyBase64)
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);
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return makeRequestWithTemporalRetry({
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logId: `groupv2(${data.id})`,
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publicParams: Bytes.toBase64(data.publicParams),
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secretParams: Bytes.toBase64(data.secretParams),
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request: (sender, options) =>
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sender.getGroupFromLink(inviteLinkPasswordBase64, options),
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});
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}
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export function buildGroupLink(conversation: ConversationModel): string {
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const { masterKey, groupInviteLinkPassword } = conversation.attributes;
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const bytes = Proto.GroupInviteLink.encode({
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v1Contents: {
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groupMasterKey: Bytes.fromBase64(masterKey),
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inviteLinkPassword: Bytes.fromBase64(groupInviteLinkPassword),
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},
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}).finish();
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const hash = toWebSafeBase64(Bytes.toBase64(bytes));
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return `https://signal.group/#${hash}`;
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}
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export function parseGroupLink(hash: string): {
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masterKey: string;
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inviteLinkPassword: string;
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} {
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const base64 = fromWebSafeBase64(hash);
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const buffer = Bytes.fromBase64(base64);
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const inviteLinkProto = Proto.GroupInviteLink.decode(buffer);
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if (
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inviteLinkProto.contents !== 'v1Contents' ||
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!inviteLinkProto.v1Contents
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) {
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const error = new Error(
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'parseGroupLink: Parsed proto is missing v1Contents'
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);
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error.name = LINK_VERSION_ERROR;
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throw error;
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}
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const {
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groupMasterKey: groupMasterKeyRaw,
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inviteLinkPassword: inviteLinkPasswordRaw,
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} = inviteLinkProto.v1Contents;
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if (!groupMasterKeyRaw || !groupMasterKeyRaw.length) {
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throw new Error('v1Contents.groupMasterKey had no data!');
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}
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if (!inviteLinkPasswordRaw || !inviteLinkPasswordRaw.length) {
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throw new Error('v1Contents.inviteLinkPassword had no data!');
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}
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const masterKey = Bytes.toBase64(groupMasterKeyRaw);
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if (masterKey.length !== 44) {
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throw new Error(`masterKey had unexpected length ${masterKey.length}`);
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}
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const inviteLinkPassword = Bytes.toBase64(inviteLinkPasswordRaw);
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if (inviteLinkPassword.length === 0) {
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throw new Error(
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`inviteLinkPassword had unexpected length ${inviteLinkPassword.length}`
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);
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}
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return { masterKey, inviteLinkPassword };
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}
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// Group Modifications
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async function uploadAvatar(
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options: {
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logId: string;
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publicParams: string;
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secretParams: string;
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} & ({ path: string } | { data: Uint8Array })
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): Promise<UploadedAvatarType> {
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const { logId, publicParams, secretParams } = options;
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try {
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const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
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let data: Uint8Array;
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if ('data' in options) {
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({ data } = options);
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} else {
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data = await window.Signal.Migrations.readAttachmentData(options.path);
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}
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const hash = computeHash(data);
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const blobPlaintext = Proto.GroupAttributeBlob.encode({
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avatar: data,
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}).finish();
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const ciphertext = encryptGroupBlob(clientZkGroupCipher, blobPlaintext);
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const key = await makeRequestWithTemporalRetry({
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logId: `uploadGroupAvatar/${logId}`,
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publicParams,
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secretParams,
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request: (sender, requestOptions) =>
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sender.uploadGroupAvatar(ciphertext, requestOptions),
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});
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return {
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data,
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hash,
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key,
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};
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} catch (error) {
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log.warn(`uploadAvatar/${logId} Failed to upload avatar`, error.stack);
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throw error;
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}
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}
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function buildGroupTitleBuffer(
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clientZkGroupCipher: ClientZkGroupCipher,
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title: string
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): Uint8Array {
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const titleBlobPlaintext = Proto.GroupAttributeBlob.encode({
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title,
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}).finish();
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const result = encryptGroupBlob(clientZkGroupCipher, titleBlobPlaintext);
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if (result.byteLength > GROUP_TITLE_MAX_ENCRYPTED_BYTES) {
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throw new Error('buildGroupTitleBuffer: encrypted group title is too long');
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}
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return result;
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}
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function buildGroupDescriptionBuffer(
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clientZkGroupCipher: ClientZkGroupCipher,
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description: string
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): Uint8Array {
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const attrsBlobPlaintext = Proto.GroupAttributeBlob.encode({
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descriptionText: description,
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}).finish();
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const result = encryptGroupBlob(clientZkGroupCipher, attrsBlobPlaintext);
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if (result.byteLength > GROUP_DESC_MAX_ENCRYPTED_BYTES) {
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throw new Error(
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'buildGroupDescriptionBuffer: encrypted group title is too long'
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);
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}
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return result;
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}
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function buildGroupProto(
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attributes: Pick<
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ConversationAttributesType,
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| 'accessControl'
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| 'expireTimer'
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| 'id'
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| 'membersV2'
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| 'name'
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| 'pendingMembersV2'
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| 'publicParams'
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| 'revision'
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| 'secretParams'
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> & {
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avatarUrl?: string;
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}
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): Proto.Group {
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const MEMBER_ROLE_ENUM = Proto.Member.Role;
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const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
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const logId = `groupv2(${attributes.id})`;
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const { publicParams, secretParams } = attributes;
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if (!publicParams) {
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throw new Error(
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`buildGroupProto/${logId}: attributes were missing publicParams!`
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);
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}
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if (!secretParams) {
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throw new Error(
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`buildGroupProto/${logId}: attributes were missing secretParams!`
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);
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}
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const serverPublicParamsBase64 = window.getServerPublicParams();
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const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
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const clientZkProfileCipher = getClientZkProfileOperations(
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serverPublicParamsBase64
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);
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const proto = new Proto.Group();
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proto.publicKey = Bytes.fromBase64(publicParams);
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proto.version = attributes.revision || 0;
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if (attributes.name) {
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proto.title = buildGroupTitleBuffer(clientZkGroupCipher, attributes.name);
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}
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if (attributes.avatarUrl) {
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proto.avatar = attributes.avatarUrl;
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}
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if (attributes.expireTimer) {
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const timerBlobPlaintext = Proto.GroupAttributeBlob.encode({
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disappearingMessagesDuration: attributes.expireTimer,
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}).finish();
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proto.disappearingMessagesTimer = encryptGroupBlob(
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clientZkGroupCipher,
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timerBlobPlaintext
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);
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}
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const accessControl = new Proto.AccessControl();
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if (attributes.accessControl) {
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accessControl.attributes =
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attributes.accessControl.attributes || ACCESS_ENUM.MEMBER;
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accessControl.members =
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attributes.accessControl.members || ACCESS_ENUM.MEMBER;
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} else {
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accessControl.attributes = ACCESS_ENUM.MEMBER;
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accessControl.members = ACCESS_ENUM.MEMBER;
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}
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proto.accessControl = accessControl;
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proto.members = (attributes.membersV2 || []).map(item => {
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const member = new Proto.Member();
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const conversation = window.ConversationController.get(item.uuid);
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if (!conversation) {
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throw new Error(`buildGroupProto/${logId}: no conversation for member!`);
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}
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const profileKeyCredentialBase64 = conversation.get('profileKeyCredential');
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if (!profileKeyCredentialBase64) {
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throw new Error(
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`buildGroupProto/${logId}: member was missing profileKeyCredential!`
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);
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}
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const presentation = createProfileKeyCredentialPresentation(
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clientZkProfileCipher,
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profileKeyCredentialBase64,
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secretParams
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);
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member.role = item.role || MEMBER_ROLE_ENUM.DEFAULT;
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member.presentation = presentation;
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return member;
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});
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|
|
const ourUuid = window.storage.user.getCheckedUuid();
|
|
|
|
const ourUuidCipherTextBuffer = encryptUuid(
|
|
clientZkGroupCipher,
|
|
ourUuid.toString()
|
|
);
|
|
|
|
proto.membersPendingProfileKey = (attributes.pendingMembersV2 || []).map(
|
|
item => {
|
|
const pendingMember = new Proto.MemberPendingProfileKey();
|
|
const member = new Proto.Member();
|
|
|
|
const conversation = window.ConversationController.get(item.uuid);
|
|
if (!conversation) {
|
|
throw new Error('buildGroupProto: no conversation for pending member!');
|
|
}
|
|
|
|
const uuid = conversation.get('uuid');
|
|
if (!uuid) {
|
|
throw new Error('buildGroupProto: pending member was missing uuid!');
|
|
}
|
|
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
member.userId = uuidCipherTextBuffer;
|
|
member.role = item.role || MEMBER_ROLE_ENUM.DEFAULT;
|
|
|
|
pendingMember.member = member;
|
|
pendingMember.timestamp = item.timestamp;
|
|
pendingMember.addedByUserId = ourUuidCipherTextBuffer;
|
|
|
|
return pendingMember;
|
|
}
|
|
);
|
|
|
|
return proto;
|
|
}
|
|
|
|
export async function buildAddMembersChange(
|
|
conversation: Pick<
|
|
ConversationAttributesType,
|
|
'id' | 'publicParams' | 'revision' | 'secretParams'
|
|
>,
|
|
conversationIds: ReadonlyArray<string>
|
|
): Promise<undefined | Proto.GroupChange.Actions> {
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
const { id, publicParams, revision, secretParams } = conversation;
|
|
|
|
const logId = `groupv2(${id})`;
|
|
|
|
if (!publicParams) {
|
|
throw new Error(
|
|
`buildAddMembersChange/${logId}: attributes were missing publicParams!`
|
|
);
|
|
}
|
|
if (!secretParams) {
|
|
throw new Error(
|
|
`buildAddMembersChange/${logId}: attributes were missing secretParams!`
|
|
);
|
|
}
|
|
|
|
const newGroupVersion = (revision || 0) + 1;
|
|
const serverPublicParamsBase64 = window.getServerPublicParams();
|
|
const clientZkProfileCipher = getClientZkProfileOperations(
|
|
serverPublicParamsBase64
|
|
);
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
|
|
|
|
const ourUuid = window.storage.user.getCheckedUuid();
|
|
const ourUuidCipherTextBuffer = encryptUuid(
|
|
clientZkGroupCipher,
|
|
ourUuid.toString()
|
|
);
|
|
|
|
const now = Date.now();
|
|
|
|
const addMembers: Array<Proto.GroupChange.Actions.AddMemberAction> = [];
|
|
const addPendingMembers: Array<Proto.GroupChange.Actions.AddMemberPendingProfileKeyAction> =
|
|
[];
|
|
|
|
await Promise.all(
|
|
conversationIds.map(async conversationId => {
|
|
const contact = window.ConversationController.get(conversationId);
|
|
if (!contact) {
|
|
assert(
|
|
false,
|
|
`buildAddMembersChange/${logId}: missing local contact, skipping`
|
|
);
|
|
return;
|
|
}
|
|
|
|
const uuid = contact.get('uuid');
|
|
if (!uuid) {
|
|
assert(false, `buildAddMembersChange/${logId}: missing UUID; skipping`);
|
|
return;
|
|
}
|
|
|
|
// Refresh our local data to be sure
|
|
if (
|
|
!contact.get('capabilities')?.gv2 ||
|
|
!contact.get('profileKey') ||
|
|
!contact.get('profileKeyCredential')
|
|
) {
|
|
await contact.getProfiles();
|
|
}
|
|
|
|
if (!contact.get('capabilities')?.gv2) {
|
|
assert(
|
|
false,
|
|
`buildAddMembersChange/${logId}: member is missing GV2 capability; skipping`
|
|
);
|
|
return;
|
|
}
|
|
|
|
const profileKey = contact.get('profileKey');
|
|
const profileKeyCredential = contact.get('profileKeyCredential');
|
|
|
|
if (!profileKey) {
|
|
assert(
|
|
false,
|
|
`buildAddMembersChange/${logId}: member is missing profile key; skipping`
|
|
);
|
|
return;
|
|
}
|
|
|
|
const member = new Proto.Member();
|
|
member.userId = encryptUuid(clientZkGroupCipher, uuid);
|
|
member.role = MEMBER_ROLE_ENUM.DEFAULT;
|
|
member.joinedAtVersion = newGroupVersion;
|
|
|
|
// This is inspired by [Android's equivalent code][0].
|
|
//
|
|
// [0]: https://github.com/signalapp/Signal-Android/blob/2be306867539ab1526f0e49d1aa7bd61e783d23f/libsignal/service/src/main/java/org/whispersystems/signalservice/api/groupsv2/GroupsV2Operations.java#L152-L174
|
|
if (profileKey && profileKeyCredential) {
|
|
member.presentation = createProfileKeyCredentialPresentation(
|
|
clientZkProfileCipher,
|
|
profileKeyCredential,
|
|
secretParams
|
|
);
|
|
|
|
const addMemberAction = new Proto.GroupChange.Actions.AddMemberAction();
|
|
addMemberAction.added = member;
|
|
addMemberAction.joinFromInviteLink = false;
|
|
|
|
addMembers.push(addMemberAction);
|
|
} else {
|
|
const memberPendingProfileKey = new Proto.MemberPendingProfileKey();
|
|
memberPendingProfileKey.member = member;
|
|
memberPendingProfileKey.addedByUserId = ourUuidCipherTextBuffer;
|
|
memberPendingProfileKey.timestamp = now;
|
|
|
|
const addPendingMemberAction =
|
|
new Proto.GroupChange.Actions.AddMemberPendingProfileKeyAction();
|
|
addPendingMemberAction.added = memberPendingProfileKey;
|
|
|
|
addPendingMembers.push(addPendingMemberAction);
|
|
}
|
|
})
|
|
);
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
if (!addMembers.length && !addPendingMembers.length) {
|
|
// This shouldn't happen. When these actions are passed to `modifyGroupV2`, a warning
|
|
// will be logged.
|
|
return undefined;
|
|
}
|
|
if (addMembers.length) {
|
|
actions.addMembers = addMembers;
|
|
}
|
|
if (addPendingMembers.length) {
|
|
actions.addPendingMembers = addPendingMembers;
|
|
}
|
|
actions.version = newGroupVersion;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export async function buildUpdateAttributesChange(
|
|
conversation: Pick<
|
|
ConversationAttributesType,
|
|
'id' | 'revision' | 'publicParams' | 'secretParams'
|
|
>,
|
|
attributes: Readonly<{
|
|
avatar?: undefined | Uint8Array;
|
|
description?: string;
|
|
title?: string;
|
|
}>
|
|
): Promise<undefined | Proto.GroupChange.Actions> {
|
|
const { publicParams, secretParams, revision, id } = conversation;
|
|
|
|
const logId = `groupv2(${id})`;
|
|
|
|
if (!publicParams) {
|
|
throw new Error(
|
|
`buildUpdateAttributesChange/${logId}: attributes were missing publicParams!`
|
|
);
|
|
}
|
|
if (!secretParams) {
|
|
throw new Error(
|
|
`buildUpdateAttributesChange/${logId}: attributes were missing secretParams!`
|
|
);
|
|
}
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
let hasChangedSomething = false;
|
|
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
|
|
|
|
// There are three possible states here:
|
|
//
|
|
// 1. 'avatar' not in attributes: we don't want to change the avatar.
|
|
// 2. attributes.avatar === undefined: we want to clear the avatar.
|
|
// 3. attributes.avatar !== undefined: we want to update the avatar.
|
|
if ('avatar' in attributes) {
|
|
hasChangedSomething = true;
|
|
|
|
actions.modifyAvatar = new Proto.GroupChange.Actions.ModifyAvatarAction();
|
|
const { avatar } = attributes;
|
|
if (avatar) {
|
|
const uploadedAvatar = await uploadAvatar({
|
|
data: avatar,
|
|
logId,
|
|
publicParams,
|
|
secretParams,
|
|
});
|
|
actions.modifyAvatar.avatar = uploadedAvatar.key;
|
|
}
|
|
|
|
// If we don't set `actions.modifyAvatar.avatar`, it will be cleared.
|
|
}
|
|
|
|
const { title } = attributes;
|
|
if (title) {
|
|
hasChangedSomething = true;
|
|
|
|
actions.modifyTitle = new Proto.GroupChange.Actions.ModifyTitleAction();
|
|
actions.modifyTitle.title = buildGroupTitleBuffer(
|
|
clientZkGroupCipher,
|
|
title
|
|
);
|
|
}
|
|
|
|
const { description } = attributes;
|
|
if (typeof description === 'string') {
|
|
hasChangedSomething = true;
|
|
|
|
actions.modifyDescription =
|
|
new Proto.GroupChange.Actions.ModifyDescriptionAction();
|
|
actions.modifyDescription.descriptionBytes = buildGroupDescriptionBuffer(
|
|
clientZkGroupCipher,
|
|
description
|
|
);
|
|
}
|
|
|
|
if (!hasChangedSomething) {
|
|
// This shouldn't happen. When these actions are passed to `modifyGroupV2`, a warning
|
|
// will be logged.
|
|
return undefined;
|
|
}
|
|
|
|
actions.version = (revision || 0) + 1;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildDisappearingMessagesTimerChange({
|
|
expireTimer,
|
|
group,
|
|
}: {
|
|
expireTimer: number;
|
|
group: ConversationAttributesType;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
const blob = new Proto.GroupAttributeBlob();
|
|
blob.disappearingMessagesDuration = expireTimer;
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildDisappearingMessagesTimerChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
|
|
const blobPlaintext = Proto.GroupAttributeBlob.encode(blob).finish();
|
|
const blobCipherText = encryptGroupBlob(clientZkGroupCipher, blobPlaintext);
|
|
|
|
const timerAction =
|
|
new Proto.GroupChange.Actions.ModifyDisappearingMessagesTimerAction();
|
|
timerAction.timer = blobCipherText;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyDisappearingMessagesTimer = timerAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildInviteLinkPasswordChange(
|
|
group: ConversationAttributesType,
|
|
inviteLinkPassword: string
|
|
): Proto.GroupChange.Actions {
|
|
const inviteLinkPasswordAction =
|
|
new Proto.GroupChange.Actions.ModifyInviteLinkPasswordAction();
|
|
inviteLinkPasswordAction.inviteLinkPassword =
|
|
Bytes.fromBase64(inviteLinkPassword);
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyInviteLinkPassword = inviteLinkPasswordAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildNewGroupLinkChange(
|
|
group: ConversationAttributesType,
|
|
inviteLinkPassword: string,
|
|
addFromInviteLinkAccess: AccessRequiredEnum
|
|
): Proto.GroupChange.Actions {
|
|
const accessControlAction =
|
|
new Proto.GroupChange.Actions.ModifyAddFromInviteLinkAccessControlAction();
|
|
accessControlAction.addFromInviteLinkAccess = addFromInviteLinkAccess;
|
|
|
|
const inviteLinkPasswordAction =
|
|
new Proto.GroupChange.Actions.ModifyInviteLinkPasswordAction();
|
|
inviteLinkPasswordAction.inviteLinkPassword =
|
|
Bytes.fromBase64(inviteLinkPassword);
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyAddFromInviteLinkAccess = accessControlAction;
|
|
actions.modifyInviteLinkPassword = inviteLinkPasswordAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAccessControlAddFromInviteLinkChange(
|
|
group: ConversationAttributesType,
|
|
value: AccessRequiredEnum
|
|
): Proto.GroupChange.Actions {
|
|
const accessControlAction =
|
|
new Proto.GroupChange.Actions.ModifyAddFromInviteLinkAccessControlAction();
|
|
accessControlAction.addFromInviteLinkAccess = value;
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyAddFromInviteLinkAccess = accessControlAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAnnouncementsOnlyChange(
|
|
group: ConversationAttributesType,
|
|
value: boolean
|
|
): Proto.GroupChange.Actions {
|
|
const action = new Proto.GroupChange.Actions.ModifyAnnouncementsOnlyAction();
|
|
action.announcementsOnly = value;
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyAnnouncementsOnly = action;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAccessControlAttributesChange(
|
|
group: ConversationAttributesType,
|
|
value: AccessRequiredEnum
|
|
): Proto.GroupChange.Actions {
|
|
const accessControlAction =
|
|
new Proto.GroupChange.Actions.ModifyAttributesAccessControlAction();
|
|
accessControlAction.attributesAccess = value;
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyAttributesAccess = accessControlAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAccessControlMembersChange(
|
|
group: ConversationAttributesType,
|
|
value: AccessRequiredEnum
|
|
): Proto.GroupChange.Actions {
|
|
const accessControlAction =
|
|
new Proto.GroupChange.Actions.ModifyMembersAccessControlAction();
|
|
accessControlAction.membersAccess = value;
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyMemberAccess = accessControlAction;
|
|
|
|
return actions;
|
|
}
|
|
|
|
// TODO AND-1101
|
|
export function buildDeletePendingAdminApprovalMemberChange({
|
|
group,
|
|
uuid,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
uuid: UUIDStringType;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildDeletePendingAdminApprovalMemberChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
|
|
const deleteMemberPendingAdminApproval =
|
|
new Proto.GroupChange.Actions.DeleteMemberPendingAdminApprovalAction();
|
|
deleteMemberPendingAdminApproval.deletedUserId = uuidCipherTextBuffer;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.deleteMemberPendingAdminApprovals = [
|
|
deleteMemberPendingAdminApproval,
|
|
];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAddPendingAdminApprovalMemberChange({
|
|
group,
|
|
profileKeyCredentialBase64,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
profileKeyCredentialBase64: string;
|
|
serverPublicParamsBase64: string;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildAddPendingAdminApprovalMemberChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
const clientZkProfileCipher = getClientZkProfileOperations(
|
|
serverPublicParamsBase64
|
|
);
|
|
|
|
const addMemberPendingAdminApproval =
|
|
new Proto.GroupChange.Actions.AddMemberPendingAdminApprovalAction();
|
|
const presentation = createProfileKeyCredentialPresentation(
|
|
clientZkProfileCipher,
|
|
profileKeyCredentialBase64,
|
|
group.secretParams
|
|
);
|
|
|
|
const added = new Proto.MemberPendingAdminApproval();
|
|
added.presentation = presentation;
|
|
|
|
addMemberPendingAdminApproval.added = added;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.addMemberPendingAdminApprovals = [addMemberPendingAdminApproval];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildAddMember({
|
|
group,
|
|
profileKeyCredentialBase64,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
profileKeyCredentialBase64: string;
|
|
serverPublicParamsBase64: string;
|
|
joinFromInviteLink?: boolean;
|
|
}): Proto.GroupChange.Actions {
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error('buildAddMember: group was missing secretParams!');
|
|
}
|
|
const clientZkProfileCipher = getClientZkProfileOperations(
|
|
serverPublicParamsBase64
|
|
);
|
|
|
|
const addMember = new Proto.GroupChange.Actions.AddMemberAction();
|
|
const presentation = createProfileKeyCredentialPresentation(
|
|
clientZkProfileCipher,
|
|
profileKeyCredentialBase64,
|
|
group.secretParams
|
|
);
|
|
|
|
const added = new Proto.Member();
|
|
added.presentation = presentation;
|
|
added.role = MEMBER_ROLE_ENUM.DEFAULT;
|
|
|
|
addMember.added = added;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.addMembers = [addMember];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildDeletePendingMemberChange({
|
|
uuids,
|
|
group,
|
|
}: {
|
|
uuids: Array<UUIDStringType>;
|
|
group: ConversationAttributesType;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildDeletePendingMemberChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
|
|
const deletePendingMembers = uuids.map(uuid => {
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
const deletePendingMember =
|
|
new Proto.GroupChange.Actions.DeleteMemberPendingProfileKeyAction();
|
|
deletePendingMember.deletedUserId = uuidCipherTextBuffer;
|
|
return deletePendingMember;
|
|
});
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.deletePendingMembers = deletePendingMembers;
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildDeleteMemberChange({
|
|
uuid,
|
|
group,
|
|
}: {
|
|
uuid: UUIDStringType;
|
|
group: ConversationAttributesType;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error('buildDeleteMemberChange: group was missing secretParams!');
|
|
}
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
|
|
const deleteMember = new Proto.GroupChange.Actions.DeleteMemberAction();
|
|
deleteMember.deletedUserId = uuidCipherTextBuffer;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.deleteMembers = [deleteMember];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildModifyMemberRoleChange({
|
|
uuid,
|
|
group,
|
|
role,
|
|
}: {
|
|
uuid: UUIDStringType;
|
|
group: ConversationAttributesType;
|
|
role: number;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error('buildMakeAdminChange: group was missing secretParams!');
|
|
}
|
|
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
|
|
const toggleAdmin = new Proto.GroupChange.Actions.ModifyMemberRoleAction();
|
|
toggleAdmin.userId = uuidCipherTextBuffer;
|
|
toggleAdmin.role = role;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.modifyMemberRoles = [toggleAdmin];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildPromotePendingAdminApprovalMemberChange({
|
|
group,
|
|
uuid,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
uuid: UUIDStringType;
|
|
}): Proto.GroupChange.Actions {
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildAddPendingAdminApprovalMemberChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
|
|
const clientZkGroupCipher = getClientZkGroupCipher(group.secretParams);
|
|
const uuidCipherTextBuffer = encryptUuid(clientZkGroupCipher, uuid);
|
|
|
|
const promotePendingMember =
|
|
new Proto.GroupChange.Actions.PromoteMemberPendingAdminApprovalAction();
|
|
promotePendingMember.userId = uuidCipherTextBuffer;
|
|
promotePendingMember.role = MEMBER_ROLE_ENUM.DEFAULT;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.promoteMemberPendingAdminApprovals = [promotePendingMember];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export function buildPromoteMemberChange({
|
|
group,
|
|
profileKeyCredentialBase64,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
profileKeyCredentialBase64: string;
|
|
serverPublicParamsBase64: string;
|
|
}): Proto.GroupChange.Actions {
|
|
const actions = new Proto.GroupChange.Actions();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
'buildDisappearingMessagesTimerChange: group was missing secretParams!'
|
|
);
|
|
}
|
|
const clientZkProfileCipher = getClientZkProfileOperations(
|
|
serverPublicParamsBase64
|
|
);
|
|
|
|
const presentation = createProfileKeyCredentialPresentation(
|
|
clientZkProfileCipher,
|
|
profileKeyCredentialBase64,
|
|
group.secretParams
|
|
);
|
|
|
|
const promotePendingMember =
|
|
new Proto.GroupChange.Actions.PromoteMemberPendingProfileKeyAction();
|
|
promotePendingMember.presentation = presentation;
|
|
|
|
actions.version = (group.revision || 0) + 1;
|
|
actions.promotePendingMembers = [promotePendingMember];
|
|
|
|
return actions;
|
|
}
|
|
|
|
export async function uploadGroupChange({
|
|
actions,
|
|
group,
|
|
inviteLinkPassword,
|
|
}: {
|
|
actions: Proto.GroupChange.IActions;
|
|
group: ConversationAttributesType;
|
|
inviteLinkPassword?: string;
|
|
}): Promise<Proto.IGroupChange> {
|
|
const logId = idForLogging(group.groupId);
|
|
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
if (!group.secretParams) {
|
|
throw new Error('uploadGroupChange: group was missing secretParams!');
|
|
}
|
|
if (!group.publicParams) {
|
|
throw new Error('uploadGroupChange: group was missing publicParams!');
|
|
}
|
|
|
|
return makeRequestWithTemporalRetry({
|
|
logId: `uploadGroupChange/${logId}`,
|
|
publicParams: group.publicParams,
|
|
secretParams: group.secretParams,
|
|
request: (sender, options) =>
|
|
sender.modifyGroup(actions, options, inviteLinkPassword),
|
|
});
|
|
}
|
|
|
|
export async function modifyGroupV2({
|
|
conversation,
|
|
createGroupChange,
|
|
extraConversationsForSend,
|
|
inviteLinkPassword,
|
|
name,
|
|
}: {
|
|
conversation: ConversationModel;
|
|
createGroupChange: () => Promise<Proto.GroupChange.Actions | undefined>;
|
|
extraConversationsForSend?: Array<string>;
|
|
inviteLinkPassword?: string;
|
|
name: string;
|
|
}): Promise<void> {
|
|
const idLog = `${name}/${conversation.idForLogging()}`;
|
|
|
|
if (!getIsGroupV2(conversation.attributes)) {
|
|
throw new Error(
|
|
`modifyGroupV2/${idLog}: Called for non-GroupV2 conversation`
|
|
);
|
|
}
|
|
|
|
const startTime = Date.now();
|
|
const timeoutTime = startTime + durations.MINUTE;
|
|
|
|
const MAX_ATTEMPTS = 5;
|
|
|
|
for (let attempt = 0; attempt < MAX_ATTEMPTS; attempt += 1) {
|
|
log.info(`modifyGroupV2/${idLog}: Starting attempt ${attempt}`);
|
|
try {
|
|
// eslint-disable-next-line no-await-in-loop
|
|
await window.waitForEmptyEventQueue();
|
|
|
|
log.info(`modifyGroupV2/${idLog}: Queuing attempt ${attempt}`);
|
|
|
|
// eslint-disable-next-line no-await-in-loop
|
|
await conversation.queueJob('modifyGroupV2', async () => {
|
|
log.info(`modifyGroupV2/${idLog}: Running attempt ${attempt}`);
|
|
|
|
const actions = await createGroupChange();
|
|
if (!actions) {
|
|
log.warn(
|
|
`modifyGroupV2/${idLog}: No change actions. Returning early.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
// The new revision has to be exactly one more than the current revision
|
|
// or it won't upload properly, and it won't apply in maybeUpdateGroup
|
|
const currentRevision = conversation.get('revision');
|
|
const newRevision = actions.version;
|
|
|
|
if ((currentRevision || 0) + 1 !== newRevision) {
|
|
throw new Error(
|
|
`modifyGroupV2/${idLog}: Revision mismatch - ${currentRevision} to ${newRevision}.`
|
|
);
|
|
}
|
|
|
|
// Upload. If we don't have permission, the server will return an error here.
|
|
const groupChange = await window.Signal.Groups.uploadGroupChange({
|
|
actions,
|
|
inviteLinkPassword,
|
|
group: conversation.attributes,
|
|
});
|
|
|
|
const groupChangeBuffer =
|
|
Proto.GroupChange.encode(groupChange).finish();
|
|
const groupChangeBase64 = Bytes.toBase64(groupChangeBuffer);
|
|
|
|
// Apply change locally, just like we would with an incoming change. This will
|
|
// change conversation state and add change notifications to the timeline.
|
|
await window.Signal.Groups.maybeUpdateGroup({
|
|
conversation,
|
|
groupChangeBase64,
|
|
newRevision,
|
|
});
|
|
|
|
// Send message to notify group members (including pending members) of change
|
|
const profileKey = conversation.get('profileSharing')
|
|
? await ourProfileKeyService.get()
|
|
: undefined;
|
|
|
|
const sendOptions = await getSendOptions(conversation.attributes);
|
|
const timestamp = Date.now();
|
|
const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;
|
|
|
|
const promise = handleMessageSend(
|
|
window.Signal.Util.sendToGroup({
|
|
groupSendOptions: {
|
|
groupV2: conversation.getGroupV2Info({
|
|
groupChange: groupChangeBuffer,
|
|
includePendingMembers: true,
|
|
extraConversationsForSend,
|
|
}),
|
|
timestamp,
|
|
profileKey,
|
|
},
|
|
contentHint: ContentHint.RESENDABLE,
|
|
messageId: undefined,
|
|
sendOptions,
|
|
sendTarget: conversation.toSenderKeyTarget(),
|
|
sendType: 'groupChange',
|
|
}),
|
|
{ messageIds: [], sendType: 'groupChange' }
|
|
);
|
|
|
|
// We don't save this message; we just use it to ensure that a sync message is
|
|
// sent to our linked devices.
|
|
const m = new window.Whisper.Message({
|
|
conversationId: conversation.id,
|
|
type: 'not-to-save',
|
|
sent_at: timestamp,
|
|
received_at: timestamp,
|
|
// TODO: DESKTOP-722
|
|
// this type does not fully implement the interface it is expected to
|
|
} as unknown as MessageAttributesType);
|
|
|
|
// This is to ensure that the functions in send() and sendSyncMessage()
|
|
// don't save anything to the database.
|
|
m.doNotSave = true;
|
|
|
|
await m.send(promise);
|
|
});
|
|
|
|
// If we've gotten here with no error, we exit!
|
|
log.info(
|
|
`modifyGroupV2/${idLog}: Update complete, with attempt ${attempt}!`
|
|
);
|
|
break;
|
|
} catch (error) {
|
|
if (error.code === 409 && Date.now() <= timeoutTime) {
|
|
log.info(
|
|
`modifyGroupV2/${idLog}: Conflict while updating. Trying again...`
|
|
);
|
|
|
|
// eslint-disable-next-line no-await-in-loop
|
|
await conversation.fetchLatestGroupV2Data({ force: true });
|
|
} else if (error.code === 409) {
|
|
log.error(
|
|
`modifyGroupV2/${idLog}: Conflict while updating. Timed out; not retrying.`
|
|
);
|
|
// We don't wait here because we're breaking out of the loop immediately.
|
|
conversation.fetchLatestGroupV2Data({ force: true });
|
|
throw error;
|
|
} else {
|
|
const errorString = error && error.stack ? error.stack : error;
|
|
log.error(`modifyGroupV2/${idLog}: Error updating: ${errorString}`);
|
|
throw error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Utility
|
|
|
|
export function idForLogging(groupId: string | undefined): string {
|
|
return `groupv2(${groupId})`;
|
|
}
|
|
|
|
export function deriveGroupFields(masterKey: Uint8Array): GroupFields {
|
|
if (masterKey.length !== MASTER_KEY_LENGTH) {
|
|
throw new Error(
|
|
`deriveGroupFields: masterKey had length ${masterKey.length}, ` +
|
|
`expected ${MASTER_KEY_LENGTH}`
|
|
);
|
|
}
|
|
|
|
const cacheKey = Bytes.toBase64(masterKey);
|
|
const cached = groupFieldsCache.get(cacheKey);
|
|
if (cached) {
|
|
return cached;
|
|
}
|
|
|
|
log.info('deriveGroupFields: cache miss');
|
|
|
|
const secretParams = deriveGroupSecretParams(masterKey);
|
|
const publicParams = deriveGroupPublicParams(secretParams);
|
|
const id = deriveGroupID(secretParams);
|
|
|
|
const fresh = {
|
|
id,
|
|
secretParams,
|
|
publicParams,
|
|
};
|
|
groupFieldsCache.set(cacheKey, fresh);
|
|
return fresh;
|
|
}
|
|
|
|
async function makeRequestWithTemporalRetry<T>({
|
|
logId,
|
|
publicParams,
|
|
secretParams,
|
|
request,
|
|
}: {
|
|
logId: string;
|
|
publicParams: string;
|
|
secretParams: string;
|
|
request: (sender: MessageSender, options: GroupCredentialsType) => Promise<T>;
|
|
}): Promise<T> {
|
|
const data = window.storage.get(GROUP_CREDENTIALS_KEY);
|
|
if (!data) {
|
|
throw new Error(
|
|
`makeRequestWithTemporalRetry/${logId}: No group credentials!`
|
|
);
|
|
}
|
|
const groupCredentials = getCredentialsForToday(data);
|
|
|
|
const sender = window.textsecure.messaging;
|
|
if (!sender) {
|
|
throw new Error(
|
|
`makeRequestWithTemporalRetry/${logId}: textsecure.messaging is not available!`
|
|
);
|
|
}
|
|
|
|
const todayOptions = getGroupCredentials({
|
|
authCredentialBase64: groupCredentials.today.credential,
|
|
groupPublicParamsBase64: publicParams,
|
|
groupSecretParamsBase64: secretParams,
|
|
serverPublicParamsBase64: window.getServerPublicParams(),
|
|
});
|
|
|
|
try {
|
|
return await request(sender, todayOptions);
|
|
} catch (todayError) {
|
|
if (todayError.code === TEMPORAL_AUTH_REJECTED_CODE) {
|
|
log.warn(
|
|
`makeRequestWithTemporalRetry/${logId}: Trying again with tomorrow's credentials`
|
|
);
|
|
const tomorrowOptions = getGroupCredentials({
|
|
authCredentialBase64: groupCredentials.tomorrow.credential,
|
|
groupPublicParamsBase64: publicParams,
|
|
groupSecretParamsBase64: secretParams,
|
|
serverPublicParamsBase64: window.getServerPublicParams(),
|
|
});
|
|
|
|
return request(sender, tomorrowOptions);
|
|
}
|
|
|
|
throw todayError;
|
|
}
|
|
}
|
|
|
|
export async function fetchMembershipProof({
|
|
publicParams,
|
|
secretParams,
|
|
}: {
|
|
publicParams: string;
|
|
secretParams: string;
|
|
}): Promise<string | undefined> {
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
if (!publicParams) {
|
|
throw new Error('fetchMembershipProof: group was missing publicParams!');
|
|
}
|
|
if (!secretParams) {
|
|
throw new Error('fetchMembershipProof: group was missing secretParams!');
|
|
}
|
|
|
|
const response = await makeRequestWithTemporalRetry({
|
|
logId: 'fetchMembershipProof',
|
|
publicParams,
|
|
secretParams,
|
|
request: (sender, options) => sender.getGroupMembershipToken(options),
|
|
});
|
|
return response.token;
|
|
}
|
|
|
|
// Creating a group
|
|
|
|
export async function createGroupV2({
|
|
name,
|
|
avatar,
|
|
expireTimer,
|
|
conversationIds,
|
|
avatars,
|
|
}: Readonly<{
|
|
name: string;
|
|
avatar: undefined | Uint8Array;
|
|
expireTimer: undefined | number;
|
|
conversationIds: Array<string>;
|
|
avatars?: Array<AvatarDataType>;
|
|
}>): Promise<ConversationModel> {
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
const masterKeyBuffer = getRandomBytes(32);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
|
|
const groupId = Bytes.toBase64(fields.id);
|
|
const logId = `groupv2(${groupId})`;
|
|
|
|
const masterKey = Bytes.toBase64(masterKeyBuffer);
|
|
const secretParams = Bytes.toBase64(fields.secretParams);
|
|
const publicParams = Bytes.toBase64(fields.publicParams);
|
|
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
|
|
const membersV2: Array<GroupV2MemberType> = [
|
|
{
|
|
uuid: ourUuid,
|
|
role: MEMBER_ROLE_ENUM.ADMINISTRATOR,
|
|
joinedAtVersion: 0,
|
|
},
|
|
];
|
|
const pendingMembersV2: Array<GroupV2PendingMemberType> = [];
|
|
|
|
let uploadedAvatar: undefined | UploadedAvatarType;
|
|
|
|
await Promise.all([
|
|
...conversationIds.map(async conversationId => {
|
|
const contact = window.ConversationController.get(conversationId);
|
|
if (!contact) {
|
|
assert(
|
|
false,
|
|
`createGroupV2/${logId}: missing local contact, skipping`
|
|
);
|
|
return;
|
|
}
|
|
|
|
const contactUuid = contact.get('uuid');
|
|
if (!contactUuid) {
|
|
assert(false, `createGroupV2/${logId}: missing UUID; skipping`);
|
|
return;
|
|
}
|
|
|
|
// Refresh our local data to be sure
|
|
if (
|
|
!contact.get('capabilities')?.gv2 ||
|
|
!contact.get('profileKey') ||
|
|
!contact.get('profileKeyCredential')
|
|
) {
|
|
await contact.getProfiles();
|
|
}
|
|
|
|
if (!contact.get('capabilities')?.gv2) {
|
|
assert(
|
|
false,
|
|
`createGroupV2/${logId}: member is missing GV2 capability; skipping`
|
|
);
|
|
return;
|
|
}
|
|
|
|
if (contact.get('profileKey') && contact.get('profileKeyCredential')) {
|
|
membersV2.push({
|
|
uuid: contactUuid,
|
|
role: MEMBER_ROLE_ENUM.DEFAULT,
|
|
joinedAtVersion: 0,
|
|
});
|
|
} else {
|
|
pendingMembersV2.push({
|
|
addedByUserId: ourUuid,
|
|
uuid: contactUuid,
|
|
timestamp: Date.now(),
|
|
role: MEMBER_ROLE_ENUM.DEFAULT,
|
|
});
|
|
}
|
|
}),
|
|
(async () => {
|
|
if (!avatar) {
|
|
return;
|
|
}
|
|
|
|
uploadedAvatar = await uploadAvatar({
|
|
data: avatar,
|
|
logId,
|
|
publicParams,
|
|
secretParams,
|
|
});
|
|
})(),
|
|
]);
|
|
|
|
if (membersV2.length + pendingMembersV2.length > getGroupSizeHardLimit()) {
|
|
throw new Error(
|
|
`createGroupV2/${logId}: Too many members! Member count: ${membersV2.length}, Pending member count: ${pendingMembersV2.length}`
|
|
);
|
|
}
|
|
|
|
const protoAndConversationAttributes = {
|
|
name,
|
|
|
|
// Core GroupV2 info
|
|
revision: 0,
|
|
publicParams,
|
|
secretParams,
|
|
|
|
// GroupV2 state
|
|
accessControl: {
|
|
attributes: ACCESS_ENUM.MEMBER,
|
|
members: ACCESS_ENUM.MEMBER,
|
|
addFromInviteLink: ACCESS_ENUM.UNSATISFIABLE,
|
|
},
|
|
membersV2,
|
|
pendingMembersV2,
|
|
};
|
|
|
|
const groupProto = await buildGroupProto({
|
|
id: groupId,
|
|
avatarUrl: uploadedAvatar?.key,
|
|
...protoAndConversationAttributes,
|
|
});
|
|
|
|
await makeRequestWithTemporalRetry({
|
|
logId: `createGroupV2/${logId}`,
|
|
publicParams,
|
|
secretParams,
|
|
request: (sender, options) => sender.createGroup(groupProto, options),
|
|
});
|
|
|
|
let avatarAttribute: ConversationAttributesType['avatar'];
|
|
if (uploadedAvatar) {
|
|
try {
|
|
avatarAttribute = {
|
|
url: uploadedAvatar.key,
|
|
path: await window.Signal.Migrations.writeNewAttachmentData(
|
|
uploadedAvatar.data
|
|
),
|
|
hash: uploadedAvatar.hash,
|
|
};
|
|
} catch (err) {
|
|
log.warn(
|
|
`createGroupV2/${logId}: avatar failed to save to disk. Continuing on`
|
|
);
|
|
}
|
|
}
|
|
|
|
const now = Date.now();
|
|
|
|
const conversation = await window.ConversationController.getOrCreateAndWait(
|
|
groupId,
|
|
'group',
|
|
{
|
|
...protoAndConversationAttributes,
|
|
active_at: now,
|
|
addedBy: ourUuid,
|
|
avatar: avatarAttribute,
|
|
avatars,
|
|
groupVersion: 2,
|
|
masterKey,
|
|
profileSharing: true,
|
|
timestamp: now,
|
|
needsStorageServiceSync: true,
|
|
}
|
|
);
|
|
|
|
await conversation.queueJob('storageServiceUploadJob', async () => {
|
|
await window.Signal.Services.storageServiceUploadJob();
|
|
});
|
|
|
|
const timestamp = Date.now();
|
|
const profileKey = await ourProfileKeyService.get();
|
|
|
|
const groupV2Info = conversation.getGroupV2Info({
|
|
includePendingMembers: true,
|
|
});
|
|
const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;
|
|
const sendOptions = await getSendOptions(conversation.attributes);
|
|
|
|
await wrapWithSyncMessageSend({
|
|
conversation,
|
|
logId: `sendToGroup/${logId}`,
|
|
messageIds: [],
|
|
send: async () =>
|
|
window.Signal.Util.sendToGroup({
|
|
contentHint: ContentHint.RESENDABLE,
|
|
groupSendOptions: {
|
|
groupV2: groupV2Info,
|
|
timestamp,
|
|
profileKey,
|
|
},
|
|
messageId: undefined,
|
|
sendOptions,
|
|
sendTarget: conversation.toSenderKeyTarget(),
|
|
sendType: 'groupChange',
|
|
}),
|
|
sendType: 'groupChange',
|
|
timestamp,
|
|
});
|
|
|
|
const createdTheGroupMessage: MessageAttributesType = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
sourceUuid: ourUuid,
|
|
conversationId: conversation.id,
|
|
received_at: window.Signal.Util.incrementMessageCounter(),
|
|
received_at_ms: timestamp,
|
|
sent_at: timestamp,
|
|
groupV2Change: {
|
|
from: ourUuid,
|
|
details: [{ type: 'create' }],
|
|
},
|
|
};
|
|
await window.Signal.Data.saveMessages([createdTheGroupMessage], {
|
|
forceSave: true,
|
|
ourUuid,
|
|
});
|
|
const model = new window.Whisper.Message(createdTheGroupMessage);
|
|
window.MessageController.register(model.id, model);
|
|
conversation.trigger('newmessage', model);
|
|
|
|
if (expireTimer) {
|
|
await conversation.updateExpirationTimer(expireTimer);
|
|
}
|
|
|
|
return conversation;
|
|
}
|
|
|
|
// Migrating a group
|
|
|
|
export async function hasV1GroupBeenMigrated(
|
|
conversation: ConversationModel
|
|
): Promise<boolean> {
|
|
const logId = conversation.idForLogging();
|
|
const isGroupV1 = getIsGroupV1(conversation.attributes);
|
|
if (!isGroupV1) {
|
|
log.warn(
|
|
`checkForGV2Existence/${logId}: Called for non-GroupV1 conversation!`
|
|
);
|
|
return false;
|
|
}
|
|
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
const groupId = conversation.get('groupId');
|
|
if (!groupId) {
|
|
throw new Error(`checkForGV2Existence/${logId}: No groupId!`);
|
|
}
|
|
|
|
const idBuffer = Bytes.fromBinary(groupId);
|
|
const masterKeyBuffer = deriveMasterKeyFromGroupV1(idBuffer);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
|
|
try {
|
|
await makeRequestWithTemporalRetry({
|
|
logId: `getGroup/${logId}`,
|
|
publicParams: Bytes.toBase64(fields.publicParams),
|
|
secretParams: Bytes.toBase64(fields.secretParams),
|
|
request: (sender, options) => sender.getGroup(options),
|
|
});
|
|
return true;
|
|
} catch (error) {
|
|
const { code } = error;
|
|
return code !== GROUP_NONEXISTENT_CODE;
|
|
}
|
|
}
|
|
|
|
export function maybeDeriveGroupV2Id(conversation: ConversationModel): boolean {
|
|
const isGroupV1 = getIsGroupV1(conversation.attributes);
|
|
const groupV1Id = conversation.get('groupId');
|
|
const derived = conversation.get('derivedGroupV2Id');
|
|
|
|
if (!isGroupV1 || !groupV1Id || derived) {
|
|
return false;
|
|
}
|
|
|
|
const v1IdBuffer = Bytes.fromBinary(groupV1Id);
|
|
const masterKeyBuffer = deriveMasterKeyFromGroupV1(v1IdBuffer);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
const derivedGroupV2Id = Bytes.toBase64(fields.id);
|
|
|
|
conversation.set({
|
|
derivedGroupV2Id,
|
|
});
|
|
|
|
return true;
|
|
}
|
|
|
|
type MigratePropsType = {
|
|
conversation: ConversationModel;
|
|
groupChangeBase64?: string;
|
|
newRevision?: number;
|
|
receivedAt?: number;
|
|
sentAt?: number;
|
|
};
|
|
|
|
export async function isGroupEligibleToMigrate(
|
|
conversation: ConversationModel
|
|
): Promise<boolean> {
|
|
if (!getIsGroupV1(conversation.attributes)) {
|
|
return false;
|
|
}
|
|
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
const areWeMember =
|
|
!conversation.get('left') && conversation.hasMember(ourUuid);
|
|
if (!areWeMember) {
|
|
return false;
|
|
}
|
|
|
|
const members = conversation.get('members') || [];
|
|
for (let i = 0, max = members.length; i < max; i += 1) {
|
|
const identifier = members[i];
|
|
const contact = window.ConversationController.get(identifier);
|
|
|
|
if (!contact) {
|
|
return false;
|
|
}
|
|
if (!contact.get('uuid')) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
export async function getGroupMigrationMembers(
|
|
conversation: ConversationModel
|
|
): Promise<{
|
|
droppedGV2MemberIds: Array<string>;
|
|
membersV2: Array<GroupV2MemberType>;
|
|
pendingMembersV2: Array<GroupV2PendingMemberType>;
|
|
previousGroupV1Members: Array<string>;
|
|
}> {
|
|
const logId = conversation.idForLogging();
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
const ourConversationId =
|
|
window.ConversationController.getOurConversationId();
|
|
if (!ourConversationId) {
|
|
throw new Error(
|
|
`getGroupMigrationMembers/${logId}: Couldn't fetch our own conversationId!`
|
|
);
|
|
}
|
|
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
|
|
let areWeMember = false;
|
|
let areWeInvited = false;
|
|
|
|
const previousGroupV1Members = conversation.get('members') || [];
|
|
const now = Date.now();
|
|
const memberLookup: Record<string, boolean> = {};
|
|
const membersV2: Array<GroupV2MemberType> = compact(
|
|
await Promise.all(
|
|
previousGroupV1Members.map(async e164 => {
|
|
const contact = window.ConversationController.get(e164);
|
|
|
|
if (!contact) {
|
|
throw new Error(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - missing local contact for ${e164}, skipping.`
|
|
);
|
|
}
|
|
if (!isMe(contact.attributes) && window.GV2_MIGRATION_DISABLE_ADD) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - skipping ${e164} due to GV2_MIGRATION_DISABLE_ADD flag`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
const contactUuid = contact.get('uuid');
|
|
if (!contactUuid) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - missing uuid for ${e164}, skipping.`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
if (!contact.get('profileKey')) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - missing profileKey for member ${e164}, skipping.`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
let capabilities = contact.get('capabilities');
|
|
|
|
// Refresh our local data to be sure
|
|
if (
|
|
!capabilities ||
|
|
!capabilities.gv2 ||
|
|
!capabilities['gv1-migration'] ||
|
|
!contact.get('profileKeyCredential')
|
|
) {
|
|
await contact.getProfiles();
|
|
}
|
|
|
|
capabilities = contact.get('capabilities');
|
|
if (!capabilities || !capabilities.gv2) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - member ${e164} is missing gv2 capability, skipping.`
|
|
);
|
|
return null;
|
|
}
|
|
if (!capabilities || !capabilities['gv1-migration']) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - member ${e164} is missing gv1-migration capability, skipping.`
|
|
);
|
|
return null;
|
|
}
|
|
if (!contact.get('profileKeyCredential')) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: membersV2 - no profileKeyCredential for ${e164}, skipping.`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
const conversationId = contact.id;
|
|
|
|
if (conversationId === ourConversationId) {
|
|
areWeMember = true;
|
|
}
|
|
|
|
memberLookup[conversationId] = true;
|
|
|
|
return {
|
|
uuid: contactUuid,
|
|
role: MEMBER_ROLE_ENUM.ADMINISTRATOR,
|
|
joinedAtVersion: 0,
|
|
};
|
|
})
|
|
)
|
|
);
|
|
|
|
const droppedGV2MemberIds: Array<string> = [];
|
|
const pendingMembersV2: Array<GroupV2PendingMemberType> = compact(
|
|
(previousGroupV1Members || []).map(e164 => {
|
|
const contact = window.ConversationController.get(e164);
|
|
|
|
if (!contact) {
|
|
throw new Error(
|
|
`getGroupMigrationMembers/${logId}: pendingMembersV2 - missing local contact for ${e164}, skipping.`
|
|
);
|
|
}
|
|
|
|
const conversationId = contact.id;
|
|
// If we've already added this contact above, we'll skip here
|
|
if (memberLookup[conversationId]) {
|
|
return null;
|
|
}
|
|
|
|
if (!isMe(contact.attributes) && window.GV2_MIGRATION_DISABLE_INVITE) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: pendingMembersV2 - skipping ${e164} due to GV2_MIGRATION_DISABLE_INVITE flag`
|
|
);
|
|
droppedGV2MemberIds.push(conversationId);
|
|
return null;
|
|
}
|
|
|
|
const contactUuid = contact.get('uuid');
|
|
if (!contactUuid) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: pendingMembersV2 - missing uuid for ${e164}, skipping.`
|
|
);
|
|
droppedGV2MemberIds.push(conversationId);
|
|
return null;
|
|
}
|
|
|
|
const capabilities = contact.get('capabilities');
|
|
if (!capabilities || !capabilities.gv2) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: pendingMembersV2 - member ${e164} is missing gv2 capability, skipping.`
|
|
);
|
|
droppedGV2MemberIds.push(conversationId);
|
|
return null;
|
|
}
|
|
if (!capabilities || !capabilities['gv1-migration']) {
|
|
log.warn(
|
|
`getGroupMigrationMembers/${logId}: pendingMembersV2 - member ${e164} is missing gv1-migration capability, skipping.`
|
|
);
|
|
droppedGV2MemberIds.push(conversationId);
|
|
return null;
|
|
}
|
|
|
|
if (conversationId === ourConversationId) {
|
|
areWeInvited = true;
|
|
}
|
|
|
|
return {
|
|
uuid: contactUuid,
|
|
timestamp: now,
|
|
addedByUserId: ourUuid,
|
|
role: MEMBER_ROLE_ENUM.ADMINISTRATOR,
|
|
};
|
|
})
|
|
);
|
|
|
|
if (!areWeMember) {
|
|
throw new Error(`getGroupMigrationMembers/${logId}: We are not a member!`);
|
|
}
|
|
if (areWeInvited) {
|
|
throw new Error(`getGroupMigrationMembers/${logId}: We are invited!`);
|
|
}
|
|
|
|
return {
|
|
droppedGV2MemberIds,
|
|
membersV2,
|
|
pendingMembersV2,
|
|
previousGroupV1Members,
|
|
};
|
|
}
|
|
|
|
// This is called when the user chooses to migrate a GroupV1. It will update the server,
|
|
// then let all members know about the new group.
|
|
export async function initiateMigrationToGroupV2(
|
|
conversation: ConversationModel
|
|
): Promise<void> {
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
try {
|
|
await conversation.queueJob('initiateMigrationToGroupV2', async () => {
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
|
|
const isEligible = isGroupEligibleToMigrate(conversation);
|
|
const previousGroupV1Id = conversation.get('groupId');
|
|
|
|
if (!isEligible || !previousGroupV1Id) {
|
|
throw new Error(
|
|
`initiateMigrationToGroupV2: conversation is not eligible to migrate! ${conversation.idForLogging()}`
|
|
);
|
|
}
|
|
|
|
const groupV1IdBuffer = Bytes.fromBinary(previousGroupV1Id);
|
|
const masterKeyBuffer = deriveMasterKeyFromGroupV1(groupV1IdBuffer);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
|
|
const groupId = Bytes.toBase64(fields.id);
|
|
const logId = `groupv2(${groupId})`;
|
|
log.info(
|
|
`initiateMigrationToGroupV2/${logId}: Migrating from ${conversation.idForLogging()}`
|
|
);
|
|
|
|
const masterKey = Bytes.toBase64(masterKeyBuffer);
|
|
const secretParams = Bytes.toBase64(fields.secretParams);
|
|
const publicParams = Bytes.toBase64(fields.publicParams);
|
|
|
|
const ourConversationId =
|
|
window.ConversationController.getOurConversationId();
|
|
if (!ourConversationId) {
|
|
throw new Error(
|
|
`initiateMigrationToGroupV2/${logId}: Couldn't fetch our own conversationId!`
|
|
);
|
|
}
|
|
const ourConversation =
|
|
window.ConversationController.get(ourConversationId);
|
|
if (!ourConversation) {
|
|
throw new Error(
|
|
`initiateMigrationToGroupV2/${logId}: cannot get our own conversation. Cannot migrate`
|
|
);
|
|
}
|
|
|
|
const {
|
|
membersV2,
|
|
pendingMembersV2,
|
|
droppedGV2MemberIds,
|
|
previousGroupV1Members,
|
|
} = await getGroupMigrationMembers(conversation);
|
|
|
|
if (
|
|
membersV2.length + pendingMembersV2.length >
|
|
getGroupSizeHardLimit()
|
|
) {
|
|
throw new Error(
|
|
`initiateMigrationToGroupV2/${logId}: Too many members! Member count: ${membersV2.length}, Pending member count: ${pendingMembersV2.length}`
|
|
);
|
|
}
|
|
|
|
// Note: A few group elements don't need to change here:
|
|
// - name
|
|
// - expireTimer
|
|
let avatarAttribute: ConversationAttributesType['avatar'];
|
|
const avatarPath = conversation.attributes.avatar?.path;
|
|
if (avatarPath) {
|
|
const { hash, key } = await uploadAvatar({
|
|
logId,
|
|
publicParams,
|
|
secretParams,
|
|
path: avatarPath,
|
|
});
|
|
avatarAttribute = {
|
|
url: key,
|
|
path: avatarPath,
|
|
hash,
|
|
};
|
|
}
|
|
|
|
const newAttributes = {
|
|
...conversation.attributes,
|
|
avatar: avatarAttribute,
|
|
|
|
// Core GroupV2 info
|
|
revision: 0,
|
|
groupId,
|
|
groupVersion: 2,
|
|
masterKey,
|
|
publicParams,
|
|
secretParams,
|
|
|
|
// GroupV2 state
|
|
accessControl: {
|
|
attributes: ACCESS_ENUM.MEMBER,
|
|
members: ACCESS_ENUM.MEMBER,
|
|
addFromInviteLink: ACCESS_ENUM.UNSATISFIABLE,
|
|
},
|
|
membersV2,
|
|
pendingMembersV2,
|
|
|
|
// Capture previous GroupV1 data for future use
|
|
previousGroupV1Id,
|
|
previousGroupV1Members,
|
|
|
|
// Clear storage ID, since we need to start over on the storage service
|
|
storageID: undefined,
|
|
|
|
// Clear obsolete data
|
|
derivedGroupV2Id: undefined,
|
|
members: undefined,
|
|
};
|
|
|
|
const groupProto = buildGroupProto({
|
|
...newAttributes,
|
|
avatarUrl: avatarAttribute?.url,
|
|
});
|
|
|
|
try {
|
|
await makeRequestWithTemporalRetry({
|
|
logId: `createGroup/${logId}`,
|
|
publicParams,
|
|
secretParams,
|
|
request: (sender, options) => sender.createGroup(groupProto, options),
|
|
});
|
|
} catch (error) {
|
|
log.error(
|
|
`initiateMigrationToGroupV2/${logId}: Error creating group:`,
|
|
error.stack
|
|
);
|
|
|
|
throw error;
|
|
}
|
|
|
|
const groupChangeMessages: Array<MessageAttributesType> = [];
|
|
groupChangeMessages.push({
|
|
...generateBasicMessage(),
|
|
type: 'group-v1-migration',
|
|
invitedGV2Members: pendingMembersV2,
|
|
droppedGV2MemberIds,
|
|
});
|
|
|
|
await updateGroup({
|
|
conversation,
|
|
updates: {
|
|
newAttributes,
|
|
groupChangeMessages,
|
|
members: [],
|
|
},
|
|
});
|
|
|
|
if (window.storage.blocked.isGroupBlocked(previousGroupV1Id)) {
|
|
window.storage.blocked.addBlockedGroup(groupId);
|
|
}
|
|
|
|
// Save these most recent updates to conversation
|
|
updateConversation(conversation.attributes);
|
|
});
|
|
} catch (error) {
|
|
const logId = conversation.idForLogging();
|
|
if (!getIsGroupV1(conversation.attributes)) {
|
|
throw error;
|
|
}
|
|
|
|
const alreadyMigrated = await hasV1GroupBeenMigrated(conversation);
|
|
if (!alreadyMigrated) {
|
|
log.error(
|
|
`initiateMigrationToGroupV2/${logId}: Group has not already been migrated, re-throwing error`
|
|
);
|
|
throw error;
|
|
}
|
|
|
|
await respondToGroupV2Migration({
|
|
conversation,
|
|
});
|
|
|
|
return;
|
|
}
|
|
|
|
// We've migrated the group, now we need to let all other group members know about it
|
|
const logId = conversation.idForLogging();
|
|
const timestamp = Date.now();
|
|
|
|
const ourProfileKey = await ourProfileKeyService.get();
|
|
|
|
const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;
|
|
const sendOptions = await getSendOptions(conversation.attributes);
|
|
|
|
await wrapWithSyncMessageSend({
|
|
conversation,
|
|
logId: `sendToGroup/${logId}`,
|
|
messageIds: [],
|
|
send: async () =>
|
|
// Minimal message to notify group members about migration
|
|
window.Signal.Util.sendToGroup({
|
|
contentHint: ContentHint.RESENDABLE,
|
|
groupSendOptions: {
|
|
groupV2: conversation.getGroupV2Info({
|
|
includePendingMembers: true,
|
|
}),
|
|
timestamp,
|
|
profileKey: ourProfileKey,
|
|
},
|
|
messageId: undefined,
|
|
sendOptions,
|
|
sendTarget: conversation.toSenderKeyTarget(),
|
|
sendType: 'groupChange',
|
|
}),
|
|
sendType: 'groupChange',
|
|
timestamp,
|
|
});
|
|
}
|
|
|
|
export async function wrapWithSyncMessageSend({
|
|
conversation,
|
|
logId,
|
|
messageIds,
|
|
send,
|
|
sendType,
|
|
timestamp,
|
|
}: {
|
|
conversation: ConversationModel;
|
|
logId: string;
|
|
messageIds: Array<string>;
|
|
send: (sender: MessageSender) => Promise<CallbackResultType>;
|
|
sendType: SendTypesType;
|
|
timestamp: number;
|
|
}): Promise<void> {
|
|
const sender = window.textsecure.messaging;
|
|
if (!sender) {
|
|
throw new Error(
|
|
`initiateMigrationToGroupV2/${logId}: textsecure.messaging is not available!`
|
|
);
|
|
}
|
|
|
|
let response: CallbackResultType | undefined;
|
|
try {
|
|
response = await handleMessageSend(send(sender), { messageIds, sendType });
|
|
} catch (error) {
|
|
if (conversation.processSendResponse(error)) {
|
|
response = error;
|
|
}
|
|
}
|
|
|
|
if (!response) {
|
|
throw new Error(
|
|
`wrapWithSyncMessageSend/${logId}: message send didn't return result!!`
|
|
);
|
|
}
|
|
|
|
// Minimal implementation of sending same message to linked devices
|
|
const { dataMessage } = response;
|
|
if (!dataMessage) {
|
|
throw new Error(
|
|
`wrapWithSyncMessageSend/${logId}: dataMessage was not returned by send!`
|
|
);
|
|
}
|
|
|
|
const ourConversationId =
|
|
window.ConversationController.getOurConversationId();
|
|
if (!ourConversationId) {
|
|
throw new Error(
|
|
`wrapWithSyncMessageSend/${logId}: Cannot get our conversationId!`
|
|
);
|
|
}
|
|
|
|
const ourConversation = window.ConversationController.get(ourConversationId);
|
|
if (!ourConversation) {
|
|
throw new Error(
|
|
`wrapWithSyncMessageSend/${logId}: Cannot get our conversation!`
|
|
);
|
|
}
|
|
|
|
if (window.ConversationController.areWePrimaryDevice()) {
|
|
log.warn(
|
|
`wrapWithSyncMessageSend/${logId}: We are primary device; not sync message`
|
|
);
|
|
return;
|
|
}
|
|
|
|
const options = await getSendOptions(ourConversation.attributes);
|
|
await handleMessageSend(
|
|
sender.sendSyncMessage({
|
|
destination: ourConversation.get('e164'),
|
|
destinationUuid: ourConversation.get('uuid'),
|
|
encodedDataMessage: dataMessage,
|
|
expirationStartTimestamp: null,
|
|
options,
|
|
timestamp,
|
|
}),
|
|
{ messageIds, sendType }
|
|
);
|
|
}
|
|
|
|
export async function waitThenRespondToGroupV2Migration(
|
|
options: MigratePropsType
|
|
): Promise<void> {
|
|
// First wait to process all incoming messages on the websocket
|
|
await window.waitForEmptyEventQueue();
|
|
|
|
// Then wait to process all outstanding messages for this conversation
|
|
const { conversation } = options;
|
|
|
|
await conversation.queueJob('waitThenRespondToGroupV2Migration', async () => {
|
|
try {
|
|
// And finally try to migrate the group
|
|
await respondToGroupV2Migration(options);
|
|
} catch (error) {
|
|
log.error(
|
|
`waitThenRespondToGroupV2Migration/${conversation.idForLogging()}: respondToGroupV2Migration failure:`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
});
|
|
}
|
|
|
|
export function buildMigrationBubble(
|
|
previousGroupV1MembersIds: Array<string>,
|
|
newAttributes: ConversationAttributesType
|
|
): MessageAttributesType {
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
const ourConversationId =
|
|
window.ConversationController.getOurConversationId();
|
|
|
|
// Assemble items to commemorate this event for the timeline..
|
|
const combinedConversationIds: Array<string> = [
|
|
...(newAttributes.membersV2 || []).map(item => item.uuid),
|
|
...(newAttributes.pendingMembersV2 || []).map(item => item.uuid),
|
|
].map(uuid => {
|
|
const conversationId = window.ConversationController.ensureContactIds({
|
|
uuid,
|
|
});
|
|
strictAssert(conversationId, `Conversation not found for ${uuid}`);
|
|
return conversationId;
|
|
});
|
|
const droppedMemberIds: Array<string> = difference(
|
|
previousGroupV1MembersIds,
|
|
combinedConversationIds
|
|
).filter(id => id && id !== ourConversationId);
|
|
const invitedMembers = (newAttributes.pendingMembersV2 || []).filter(
|
|
item => item.uuid !== ourUuid
|
|
);
|
|
|
|
const areWeInvited = (newAttributes.pendingMembersV2 || []).some(
|
|
item => item.uuid === ourUuid
|
|
);
|
|
|
|
return {
|
|
...generateBasicMessage(),
|
|
type: 'group-v1-migration',
|
|
groupMigration: {
|
|
areWeInvited,
|
|
invitedMembers,
|
|
droppedMemberIds,
|
|
},
|
|
};
|
|
}
|
|
|
|
export async function joinGroupV2ViaLinkAndMigrate({
|
|
approvalRequired,
|
|
conversation,
|
|
inviteLinkPassword,
|
|
revision,
|
|
}: {
|
|
approvalRequired: boolean;
|
|
conversation: ConversationModel;
|
|
inviteLinkPassword: string;
|
|
revision: number;
|
|
}): Promise<void> {
|
|
const isGroupV1 = getIsGroupV1(conversation.attributes);
|
|
const previousGroupV1Id = conversation.get('groupId');
|
|
|
|
if (!isGroupV1 || !previousGroupV1Id) {
|
|
throw new Error(
|
|
`joinGroupV2ViaLinkAndMigrate: Conversation is not GroupV1! ${conversation.idForLogging()}`
|
|
);
|
|
}
|
|
|
|
// Derive GroupV2 fields
|
|
const groupV1IdBuffer = Bytes.fromBinary(previousGroupV1Id);
|
|
const masterKeyBuffer = deriveMasterKeyFromGroupV1(groupV1IdBuffer);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
|
|
const groupId = Bytes.toBase64(fields.id);
|
|
const logId = idForLogging(groupId);
|
|
log.info(
|
|
`joinGroupV2ViaLinkAndMigrate/${logId}: Migrating from ${conversation.idForLogging()}`
|
|
);
|
|
|
|
const masterKey = Bytes.toBase64(masterKeyBuffer);
|
|
const secretParams = Bytes.toBase64(fields.secretParams);
|
|
const publicParams = Bytes.toBase64(fields.publicParams);
|
|
|
|
// A mini-migration, which will not show dropped/invited members
|
|
const newAttributes = {
|
|
...conversation.attributes,
|
|
|
|
// Core GroupV2 info
|
|
revision,
|
|
groupId,
|
|
groupVersion: 2,
|
|
masterKey,
|
|
publicParams,
|
|
secretParams,
|
|
groupInviteLinkPassword: inviteLinkPassword,
|
|
|
|
left: true,
|
|
|
|
// Capture previous GroupV1 data for future use
|
|
previousGroupV1Id: conversation.get('groupId'),
|
|
previousGroupV1Members: conversation.get('members'),
|
|
|
|
// Clear storage ID, since we need to start over on the storage service
|
|
storageID: undefined,
|
|
|
|
// Clear obsolete data
|
|
derivedGroupV2Id: undefined,
|
|
members: undefined,
|
|
};
|
|
const groupChangeMessages: Array<MessageAttributesType> = [
|
|
{
|
|
...generateBasicMessage(),
|
|
type: 'group-v1-migration',
|
|
groupMigration: {
|
|
areWeInvited: false,
|
|
invitedMembers: [],
|
|
droppedMemberIds: [],
|
|
},
|
|
},
|
|
];
|
|
await updateGroup({
|
|
conversation,
|
|
updates: {
|
|
newAttributes,
|
|
groupChangeMessages,
|
|
members: [],
|
|
},
|
|
});
|
|
|
|
// Now things are set up, so we can go through normal channels
|
|
await conversation.joinGroupV2ViaLink({
|
|
inviteLinkPassword,
|
|
approvalRequired,
|
|
});
|
|
}
|
|
|
|
// This may be called from storage service, an out-of-band check, or an incoming message.
|
|
// If this is kicked off via an incoming message, we want to do the right thing and hit
|
|
// the log endpoint - the parameters beyond conversation are needed in that scenario.
|
|
export async function respondToGroupV2Migration({
|
|
conversation,
|
|
groupChangeBase64,
|
|
newRevision,
|
|
receivedAt,
|
|
sentAt,
|
|
}: MigratePropsType): Promise<void> {
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
const isGroupV1 = getIsGroupV1(conversation.attributes);
|
|
const previousGroupV1Id = conversation.get('groupId');
|
|
|
|
if (!isGroupV1 || !previousGroupV1Id) {
|
|
throw new Error(
|
|
`respondToGroupV2Migration: Conversation is not GroupV1! ${conversation.idForLogging()}`
|
|
);
|
|
}
|
|
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
const wereWePreviouslyAMember =
|
|
!conversation.get('left') && conversation.hasMember(ourUuid);
|
|
|
|
// Derive GroupV2 fields
|
|
const groupV1IdBuffer = Bytes.fromBinary(previousGroupV1Id);
|
|
const masterKeyBuffer = deriveMasterKeyFromGroupV1(groupV1IdBuffer);
|
|
const fields = deriveGroupFields(masterKeyBuffer);
|
|
|
|
const groupId = Bytes.toBase64(fields.id);
|
|
const logId = idForLogging(groupId);
|
|
log.info(
|
|
`respondToGroupV2Migration/${logId}: Migrating from ${conversation.idForLogging()}`
|
|
);
|
|
|
|
const masterKey = Bytes.toBase64(masterKeyBuffer);
|
|
const secretParams = Bytes.toBase64(fields.secretParams);
|
|
const publicParams = Bytes.toBase64(fields.publicParams);
|
|
|
|
const previousGroupV1Members = conversation.get('members');
|
|
const previousGroupV1MembersIds = conversation.getMemberIds();
|
|
|
|
// Skeleton of the new group state - not useful until we add the group's server state
|
|
const attributes = {
|
|
...conversation.attributes,
|
|
|
|
// Core GroupV2 info
|
|
revision: 0,
|
|
groupId,
|
|
groupVersion: 2,
|
|
masterKey,
|
|
publicParams,
|
|
secretParams,
|
|
|
|
// Capture previous GroupV1 data for future use
|
|
previousGroupV1Id,
|
|
previousGroupV1Members,
|
|
|
|
// Clear storage ID, since we need to start over on the storage service
|
|
storageID: undefined,
|
|
|
|
// Clear obsolete data
|
|
derivedGroupV2Id: undefined,
|
|
members: undefined,
|
|
};
|
|
|
|
let firstGroupState: Proto.IGroup | null | undefined;
|
|
|
|
try {
|
|
const response: GroupLogResponseType = await makeRequestWithTemporalRetry({
|
|
logId: `getGroupLog/${logId}`,
|
|
publicParams,
|
|
secretParams,
|
|
request: (sender, options) =>
|
|
sender.getGroupLog(
|
|
{
|
|
startVersion: 0,
|
|
includeFirstState: true,
|
|
includeLastState: false,
|
|
maxSupportedChangeEpoch: SUPPORTED_CHANGE_EPOCH,
|
|
},
|
|
options
|
|
),
|
|
});
|
|
|
|
// Attempt to start with the first group state, only later processing future updates
|
|
firstGroupState = response?.changes?.groupChanges?.[0]?.groupState;
|
|
} catch (error) {
|
|
if (error.code === GROUP_ACCESS_DENIED_CODE) {
|
|
log.info(
|
|
`respondToGroupV2Migration/${logId}: Failed to access log endpoint; fetching full group state`
|
|
);
|
|
try {
|
|
firstGroupState = await makeRequestWithTemporalRetry({
|
|
logId: `getGroup/${logId}`,
|
|
publicParams,
|
|
secretParams,
|
|
request: (sender, options) => sender.getGroup(options),
|
|
});
|
|
} catch (secondError) {
|
|
if (secondError.code === GROUP_ACCESS_DENIED_CODE) {
|
|
log.info(
|
|
`respondToGroupV2Migration/${logId}: Failed to access state endpoint; user is no longer part of group`
|
|
);
|
|
|
|
// We don't want to add another event to the timeline
|
|
if (wereWePreviouslyAMember) {
|
|
const ourNumber = window.textsecure.storage.user.getNumber();
|
|
await updateGroup({
|
|
conversation,
|
|
receivedAt,
|
|
sentAt,
|
|
updates: {
|
|
newAttributes: {
|
|
...conversation.attributes,
|
|
left: true,
|
|
members: (conversation.get('members') || []).filter(
|
|
item => item !== ourUuid && item !== ourNumber
|
|
),
|
|
},
|
|
groupChangeMessages: [
|
|
{
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
details: [
|
|
{
|
|
type: 'member-remove' as const,
|
|
uuid: ourUuid,
|
|
},
|
|
],
|
|
},
|
|
},
|
|
],
|
|
members: [],
|
|
},
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
throw secondError;
|
|
}
|
|
} else {
|
|
throw error;
|
|
}
|
|
}
|
|
if (!firstGroupState) {
|
|
throw new Error(
|
|
`respondToGroupV2Migration/${logId}: Couldn't get a first group state!`
|
|
);
|
|
}
|
|
|
|
const groupState = decryptGroupState(
|
|
firstGroupState,
|
|
attributes.secretParams,
|
|
logId
|
|
);
|
|
const { newAttributes, newProfileKeys } = await applyGroupState({
|
|
group: attributes,
|
|
groupState,
|
|
});
|
|
|
|
// Generate notifications into the timeline
|
|
const groupChangeMessages: Array<MessageAttributesType> = [];
|
|
|
|
groupChangeMessages.push(
|
|
buildMigrationBubble(previousGroupV1MembersIds, newAttributes)
|
|
);
|
|
|
|
const areWeInvited = (newAttributes.pendingMembersV2 || []).some(
|
|
item => item.uuid === ourUuid
|
|
);
|
|
const areWeMember = (newAttributes.membersV2 || []).some(
|
|
item => item.uuid === ourUuid
|
|
);
|
|
if (!areWeInvited && !areWeMember) {
|
|
// Add a message to the timeline saying the user was removed. This shouldn't happen.
|
|
groupChangeMessages.push({
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
details: [
|
|
{
|
|
type: 'member-remove' as const,
|
|
uuid: ourUuid,
|
|
},
|
|
],
|
|
},
|
|
});
|
|
}
|
|
|
|
// This buffer ensures that all migration-related messages are sorted above
|
|
// any initiating message. We need to do this because groupChangeMessages are
|
|
// already sorted via updates to sentAt inside of updateGroup().
|
|
const SORT_BUFFER = 1000;
|
|
await updateGroup({
|
|
conversation,
|
|
receivedAt,
|
|
sentAt: sentAt ? sentAt - SORT_BUFFER : undefined,
|
|
updates: {
|
|
newAttributes,
|
|
groupChangeMessages,
|
|
members: profileKeysToMembers(newProfileKeys),
|
|
},
|
|
});
|
|
|
|
if (window.storage.blocked.isGroupBlocked(previousGroupV1Id)) {
|
|
window.storage.blocked.addBlockedGroup(groupId);
|
|
}
|
|
|
|
// Save these most recent updates to conversation
|
|
updateConversation(conversation.attributes);
|
|
|
|
// Finally, check for any changes to the group since its initial creation using normal
|
|
// group update codepaths.
|
|
await maybeUpdateGroup({
|
|
conversation,
|
|
groupChangeBase64,
|
|
newRevision,
|
|
receivedAt,
|
|
sentAt,
|
|
});
|
|
}
|
|
|
|
// Fetching and applying group changes
|
|
|
|
type MaybeUpdatePropsType = {
|
|
conversation: ConversationModel;
|
|
groupChangeBase64?: string;
|
|
newRevision?: number;
|
|
receivedAt?: number;
|
|
sentAt?: number;
|
|
dropInitialJoinMessage?: boolean;
|
|
force?: boolean;
|
|
};
|
|
|
|
const FIVE_MINUTES = 5 * durations.MINUTE;
|
|
|
|
export async function waitThenMaybeUpdateGroup(
|
|
options: MaybeUpdatePropsType,
|
|
{ viaSync = false } = {}
|
|
): Promise<void> {
|
|
const { conversation } = options;
|
|
|
|
if (conversation.isBlocked()) {
|
|
log.info(
|
|
`waitThenMaybeUpdateGroup: Group ${conversation.idForLogging()} is blocked, returning early`
|
|
);
|
|
return;
|
|
}
|
|
|
|
// First wait to process all incoming messages on the websocket
|
|
await window.waitForEmptyEventQueue();
|
|
|
|
// Then make sure we haven't fetched this group too recently
|
|
const { lastSuccessfulGroupFetch = 0 } = conversation;
|
|
if (
|
|
!options.force &&
|
|
isMoreRecentThan(lastSuccessfulGroupFetch, FIVE_MINUTES)
|
|
) {
|
|
const waitTime = lastSuccessfulGroupFetch + FIVE_MINUTES - Date.now();
|
|
log.info(
|
|
`waitThenMaybeUpdateGroup/${conversation.idForLogging()}: group update ` +
|
|
`was fetched recently, skipping for ${waitTime}ms`
|
|
);
|
|
return;
|
|
}
|
|
|
|
// Then wait to process all outstanding messages for this conversation
|
|
await conversation.queueJob('waitThenMaybeUpdateGroup', async () => {
|
|
try {
|
|
// And finally try to update the group
|
|
await maybeUpdateGroup(options, { viaSync });
|
|
|
|
conversation.lastSuccessfulGroupFetch = Date.now();
|
|
} catch (error) {
|
|
log.error(
|
|
`waitThenMaybeUpdateGroup/${conversation.idForLogging()}: maybeUpdateGroup failure:`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
});
|
|
}
|
|
|
|
export async function maybeUpdateGroup(
|
|
{
|
|
conversation,
|
|
dropInitialJoinMessage,
|
|
groupChangeBase64,
|
|
newRevision,
|
|
receivedAt,
|
|
sentAt,
|
|
}: MaybeUpdatePropsType,
|
|
{ viaSync = false } = {}
|
|
): Promise<void> {
|
|
const logId = conversation.idForLogging();
|
|
|
|
try {
|
|
// Ensure we have the credentials we need before attempting GroupsV2 operations
|
|
await maybeFetchNewCredentials();
|
|
|
|
const updates = await getGroupUpdates({
|
|
group: conversation.attributes,
|
|
serverPublicParamsBase64: window.getServerPublicParams(),
|
|
newRevision,
|
|
groupChangeBase64,
|
|
dropInitialJoinMessage,
|
|
});
|
|
|
|
await updateGroup(
|
|
{ conversation, receivedAt, sentAt, updates },
|
|
{ viaSync }
|
|
);
|
|
} catch (error) {
|
|
log.error(
|
|
`maybeUpdateGroup/${logId}: Failed to update group:`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
async function updateGroup(
|
|
{
|
|
conversation,
|
|
receivedAt,
|
|
sentAt,
|
|
updates,
|
|
}: {
|
|
conversation: ConversationModel;
|
|
receivedAt?: number;
|
|
sentAt?: number;
|
|
updates: UpdatesResultType;
|
|
},
|
|
{ viaSync = false } = {}
|
|
): Promise<void> {
|
|
const logId = conversation.idForLogging();
|
|
|
|
const { newAttributes, groupChangeMessages, members } = updates;
|
|
const ourUuid = window.textsecure.storage.user.getCheckedUuid();
|
|
|
|
const startingRevision = conversation.get('revision');
|
|
const endingRevision = newAttributes.revision;
|
|
|
|
const isInitialDataFetch =
|
|
!isNumber(startingRevision) && isNumber(endingRevision);
|
|
const isInGroup = !updates.newAttributes.left;
|
|
const justJoinedGroup =
|
|
!conversation.hasMember(ourUuid.toString()) && isInGroup;
|
|
|
|
// Ensure that all generated messages are ordered properly.
|
|
// Before the provided timestamp so update messages appear before the
|
|
// initiating message, or after now().
|
|
const finalReceivedAt =
|
|
receivedAt || window.Signal.Util.incrementMessageCounter();
|
|
const initialSentAt = sentAt || Date.now();
|
|
|
|
// GroupV1 -> GroupV2 migration changes the groupId, and we need to update our id-based
|
|
// lookups if there's a change on that field.
|
|
const previousId = conversation.get('groupId');
|
|
const idChanged = previousId && previousId !== newAttributes.groupId;
|
|
|
|
// We force this conversation into the left pane if this is the first time we've
|
|
// fetched data about it, and we were able to fetch its name. Nobody likes to see
|
|
// Unknown Group in the left pane.
|
|
let activeAt = null;
|
|
if (viaSync) {
|
|
activeAt = conversation.get('active_at') || null;
|
|
} else if ((isInitialDataFetch || justJoinedGroup) && newAttributes.name) {
|
|
activeAt = initialSentAt;
|
|
} else {
|
|
activeAt = newAttributes.active_at;
|
|
}
|
|
|
|
conversation.set({
|
|
...newAttributes,
|
|
active_at: activeAt,
|
|
temporaryMemberCount: isInGroup
|
|
? undefined
|
|
: newAttributes.temporaryMemberCount,
|
|
});
|
|
|
|
if (idChanged) {
|
|
conversation.trigger('idUpdated', conversation, 'groupId', previousId);
|
|
}
|
|
|
|
// Save all synthetic messages describing group changes
|
|
let syntheticSentAt = initialSentAt - (groupChangeMessages.length + 1);
|
|
const changeMessagesToSave = groupChangeMessages.map(changeMessage => {
|
|
// We do this to preserve the order of the timeline. We only update sentAt to ensure
|
|
// that we don't stomp on messages received around the same time as the message
|
|
// which initiated this group fetch and in-conversation messages.
|
|
syntheticSentAt += 1;
|
|
|
|
return {
|
|
...changeMessage,
|
|
conversationId: conversation.id,
|
|
received_at: finalReceivedAt,
|
|
received_at_ms: syntheticSentAt,
|
|
sent_at: syntheticSentAt,
|
|
};
|
|
});
|
|
|
|
const contactsWithoutProfileKey = new Array<ConversationModel>();
|
|
|
|
// Capture profile key for each member in the group, if we don't have it yet
|
|
members.forEach(member => {
|
|
const contact = window.ConversationController.getOrCreate(
|
|
member.uuid,
|
|
'private'
|
|
);
|
|
|
|
if (member.profileKey && !contact.get('profileKey')) {
|
|
contactsWithoutProfileKey.push(contact);
|
|
contact.setProfileKey(member.profileKey);
|
|
}
|
|
});
|
|
|
|
if (contactsWithoutProfileKey.length !== 0) {
|
|
log.info(
|
|
`updateGroup/${logId}: fetching ` +
|
|
`${contactsWithoutProfileKey.length} missing profiles`
|
|
);
|
|
|
|
const profileFetchQueue = new PQueue({
|
|
concurrency: 3,
|
|
});
|
|
await profileFetchQueue.addAll(
|
|
contactsWithoutProfileKey.map(contact => () => {
|
|
const active = contact.getActiveProfileFetch();
|
|
return active || contact.getProfiles();
|
|
})
|
|
);
|
|
}
|
|
|
|
if (changeMessagesToSave.length > 0) {
|
|
await window.Signal.Data.saveMessages(changeMessagesToSave, {
|
|
forceSave: true,
|
|
ourUuid: ourUuid.toString(),
|
|
});
|
|
changeMessagesToSave.forEach(changeMessage => {
|
|
const model = new window.Whisper.Message(changeMessage);
|
|
window.MessageController.register(model.id, model);
|
|
conversation.trigger('newmessage', model);
|
|
});
|
|
}
|
|
|
|
// No need for convo.updateLastMessage(), 'newmessage' handler does that
|
|
}
|
|
|
|
async function getGroupUpdates({
|
|
dropInitialJoinMessage,
|
|
group,
|
|
serverPublicParamsBase64,
|
|
newRevision,
|
|
groupChangeBase64,
|
|
}: {
|
|
dropInitialJoinMessage?: boolean;
|
|
group: ConversationAttributesType;
|
|
groupChangeBase64?: string;
|
|
newRevision?: number;
|
|
serverPublicParamsBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
|
|
log.info(`getGroupUpdates/${logId}: Starting...`);
|
|
|
|
const currentRevision = group.revision;
|
|
const isFirstFetch = !isNumber(group.revision);
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
|
|
const isInitialCreationMessage = isFirstFetch && newRevision === 0;
|
|
const weAreAwaitingApproval = (group.pendingAdminApprovalV2 || []).find(
|
|
item => item.uuid === ourUuid
|
|
);
|
|
const isOneVersionUp =
|
|
isNumber(currentRevision) &&
|
|
isNumber(newRevision) &&
|
|
newRevision === currentRevision + 1;
|
|
|
|
if (
|
|
window.GV2_ENABLE_SINGLE_CHANGE_PROCESSING &&
|
|
groupChangeBase64 &&
|
|
isNumber(newRevision) &&
|
|
(isInitialCreationMessage || weAreAwaitingApproval || isOneVersionUp)
|
|
) {
|
|
log.info(`getGroupUpdates/${logId}: Processing just one change`);
|
|
const groupChangeBuffer = Bytes.fromBase64(groupChangeBase64);
|
|
const groupChange = Proto.GroupChange.decode(groupChangeBuffer);
|
|
const isChangeSupported =
|
|
!isNumber(groupChange.changeEpoch) ||
|
|
groupChange.changeEpoch <= SUPPORTED_CHANGE_EPOCH;
|
|
|
|
if (isChangeSupported) {
|
|
return updateGroupViaSingleChange({
|
|
group,
|
|
newRevision,
|
|
groupChange,
|
|
serverPublicParamsBase64,
|
|
});
|
|
}
|
|
|
|
log.info(
|
|
`getGroupUpdates/${logId}: Failing over; group change unsupported`
|
|
);
|
|
}
|
|
|
|
if (isNumber(newRevision) && window.GV2_ENABLE_CHANGE_PROCESSING) {
|
|
try {
|
|
const result = await updateGroupViaLogs({
|
|
group,
|
|
serverPublicParamsBase64,
|
|
newRevision,
|
|
});
|
|
|
|
return result;
|
|
} catch (error) {
|
|
const nextStep = isFirstFetch
|
|
? `fetching logs since ${newRevision}`
|
|
: 'fetching full state';
|
|
|
|
if (error.code === TEMPORAL_AUTH_REJECTED_CODE) {
|
|
// We will fail over to the updateGroupViaState call below
|
|
log.info(
|
|
`getGroupUpdates/${logId}: Temporal credential failure, now ${nextStep}`
|
|
);
|
|
} else if (error.code === GROUP_ACCESS_DENIED_CODE) {
|
|
// We will fail over to the updateGroupViaState call below
|
|
log.info(
|
|
`getGroupUpdates/${logId}: Log access denied, now ${nextStep}`
|
|
);
|
|
} else {
|
|
throw error;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (window.GV2_ENABLE_STATE_PROCESSING) {
|
|
return updateGroupViaState({
|
|
dropInitialJoinMessage,
|
|
group,
|
|
serverPublicParamsBase64,
|
|
});
|
|
}
|
|
|
|
log.warn(
|
|
`getGroupUpdates/${logId}: No processing was legal! Returning empty changeset.`
|
|
);
|
|
return {
|
|
newAttributes: group,
|
|
groupChangeMessages: [],
|
|
members: [],
|
|
};
|
|
}
|
|
|
|
async function updateGroupViaState({
|
|
dropInitialJoinMessage,
|
|
group,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
dropInitialJoinMessage?: boolean;
|
|
group: ConversationAttributesType;
|
|
serverPublicParamsBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
const data = window.storage.get(GROUP_CREDENTIALS_KEY);
|
|
if (!data) {
|
|
throw new Error('updateGroupViaState: No group credentials!');
|
|
}
|
|
|
|
const groupCredentials = getCredentialsForToday(data);
|
|
|
|
const stateOptions = {
|
|
dropInitialJoinMessage,
|
|
group,
|
|
serverPublicParamsBase64,
|
|
authCredentialBase64: groupCredentials.today.credential,
|
|
};
|
|
try {
|
|
log.info(`updateGroupViaState/${logId}: Getting full group state...`);
|
|
// We await this here so our try/catch below takes effect
|
|
const result = await getCurrentGroupState(stateOptions);
|
|
|
|
return result;
|
|
} catch (error) {
|
|
if (error.code === GROUP_ACCESS_DENIED_CODE) {
|
|
return generateLeftGroupChanges(group);
|
|
}
|
|
if (error.code === TEMPORAL_AUTH_REJECTED_CODE) {
|
|
log.info(
|
|
`updateGroupViaState/${logId}: Credential for today failed, failing over to tomorrow...`
|
|
);
|
|
try {
|
|
const result = await getCurrentGroupState({
|
|
...stateOptions,
|
|
authCredentialBase64: groupCredentials.tomorrow.credential,
|
|
});
|
|
return result;
|
|
} catch (subError) {
|
|
if (subError.code === GROUP_ACCESS_DENIED_CODE) {
|
|
return generateLeftGroupChanges(group);
|
|
}
|
|
}
|
|
}
|
|
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
async function updateGroupViaSingleChange({
|
|
group,
|
|
groupChange,
|
|
newRevision,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
groupChange: Proto.IGroupChange;
|
|
newRevision: number;
|
|
serverPublicParamsBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const wasInGroup = !group.left;
|
|
const result: UpdatesResultType = await integrateGroupChange({
|
|
group,
|
|
groupChange,
|
|
newRevision,
|
|
});
|
|
|
|
const nowInGroup = !result.newAttributes.left;
|
|
|
|
// If we were just added to the group (for example, via a join link), we go fetch the
|
|
// entire group state to make sure we're up to date.
|
|
if (!wasInGroup && nowInGroup) {
|
|
const { newAttributes, members } = await updateGroupViaState({
|
|
group: result.newAttributes,
|
|
serverPublicParamsBase64,
|
|
});
|
|
|
|
// We discard any change events that come out of this full group fetch, but we do
|
|
// keep the final group attributes generated, as well as any new members.
|
|
return {
|
|
...result,
|
|
members: [...result.members, ...members],
|
|
newAttributes,
|
|
};
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
async function updateGroupViaLogs({
|
|
group,
|
|
serverPublicParamsBase64,
|
|
newRevision,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
newRevision: number;
|
|
serverPublicParamsBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
const data = window.storage.get(GROUP_CREDENTIALS_KEY);
|
|
if (!data) {
|
|
throw new Error('getGroupUpdates: No group credentials!');
|
|
}
|
|
|
|
const groupCredentials = getCredentialsForToday(data);
|
|
const deltaOptions = {
|
|
group,
|
|
newRevision,
|
|
serverPublicParamsBase64,
|
|
authCredentialBase64: groupCredentials.today.credential,
|
|
};
|
|
try {
|
|
log.info(
|
|
`updateGroupViaLogs/${logId}: Getting group delta from ${group.revision} to ${newRevision} for group groupv2(${group.groupId})...`
|
|
);
|
|
const result = await getGroupDelta(deltaOptions);
|
|
|
|
return result;
|
|
} catch (error) {
|
|
if (error.code === TEMPORAL_AUTH_REJECTED_CODE) {
|
|
log.info(
|
|
`updateGroupViaLogs/${logId}: Credential for today failed, failing over to tomorrow...`
|
|
);
|
|
|
|
return getGroupDelta({
|
|
...deltaOptions,
|
|
authCredentialBase64: groupCredentials.tomorrow.credential,
|
|
});
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
function generateBasicMessage() {
|
|
return {
|
|
id: getGuid(),
|
|
schemaVersion: MAX_MESSAGE_SCHEMA,
|
|
// this is missing most properties to fulfill this type
|
|
} as MessageAttributesType;
|
|
}
|
|
|
|
async function generateLeftGroupChanges(
|
|
group: ConversationAttributesType
|
|
): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
log.info(`generateLeftGroupChanges/${logId}: Starting...`);
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
|
|
const { masterKey, groupInviteLinkPassword } = group;
|
|
let { revision } = group;
|
|
|
|
try {
|
|
if (masterKey && groupInviteLinkPassword) {
|
|
log.info(
|
|
`generateLeftGroupChanges/${logId}: Have invite link. Attempting to fetch latest revision with it.`
|
|
);
|
|
const preJoinInfo = await getPreJoinGroupInfo(
|
|
groupInviteLinkPassword,
|
|
masterKey
|
|
);
|
|
|
|
revision = preJoinInfo.version;
|
|
}
|
|
} catch (error) {
|
|
log.warn(
|
|
'generateLeftGroupChanges: Failed to fetch latest revision via group link. Code:',
|
|
error.code
|
|
);
|
|
}
|
|
|
|
const existingMembers = group.membersV2 || [];
|
|
const newAttributes: ConversationAttributesType = {
|
|
...group,
|
|
membersV2: existingMembers.filter(member => member.uuid !== ourUuid),
|
|
left: true,
|
|
revision,
|
|
};
|
|
const isNewlyRemoved =
|
|
existingMembers.length > (newAttributes.membersV2 || []).length;
|
|
|
|
const youWereRemovedMessage: MessageAttributesType = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
details: [
|
|
{
|
|
type: 'member-remove' as const,
|
|
uuid: ourUuid,
|
|
},
|
|
],
|
|
},
|
|
};
|
|
|
|
return {
|
|
newAttributes,
|
|
groupChangeMessages: isNewlyRemoved ? [youWereRemovedMessage] : [],
|
|
members: [],
|
|
};
|
|
}
|
|
|
|
function getGroupCredentials({
|
|
authCredentialBase64,
|
|
groupPublicParamsBase64,
|
|
groupSecretParamsBase64,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
authCredentialBase64: string;
|
|
groupPublicParamsBase64: string;
|
|
groupSecretParamsBase64: string;
|
|
serverPublicParamsBase64: string;
|
|
}): GroupCredentialsType {
|
|
const authOperations = getClientZkAuthOperations(serverPublicParamsBase64);
|
|
|
|
const presentation = getAuthCredentialPresentation(
|
|
authOperations,
|
|
authCredentialBase64,
|
|
groupSecretParamsBase64
|
|
);
|
|
|
|
return {
|
|
groupPublicParamsHex: Bytes.toHex(
|
|
Bytes.fromBase64(groupPublicParamsBase64)
|
|
),
|
|
authCredentialPresentationHex: Bytes.toHex(presentation),
|
|
};
|
|
}
|
|
|
|
async function getGroupDelta({
|
|
group,
|
|
newRevision,
|
|
serverPublicParamsBase64,
|
|
authCredentialBase64,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
newRevision: number;
|
|
serverPublicParamsBase64: string;
|
|
authCredentialBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const sender = window.textsecure.messaging;
|
|
if (!sender) {
|
|
throw new Error('getGroupDelta: textsecure.messaging is not available!');
|
|
}
|
|
if (!group.publicParams) {
|
|
throw new Error('getGroupDelta: group was missing publicParams!');
|
|
}
|
|
if (!group.secretParams) {
|
|
throw new Error('getGroupDelta: group was missing secretParams!');
|
|
}
|
|
|
|
const options = getGroupCredentials({
|
|
authCredentialBase64,
|
|
groupPublicParamsBase64: group.publicParams,
|
|
groupSecretParamsBase64: group.secretParams,
|
|
serverPublicParamsBase64,
|
|
});
|
|
|
|
const currentRevision = group.revision;
|
|
const isFirstFetch = !isNumber(currentRevision);
|
|
let revisionToFetch = isNumber(currentRevision)
|
|
? currentRevision + 1
|
|
: undefined;
|
|
|
|
let response;
|
|
const changes: Array<Proto.IGroupChanges> = [];
|
|
do {
|
|
// eslint-disable-next-line no-await-in-loop
|
|
response = await sender.getGroupLog(
|
|
{
|
|
startVersion: revisionToFetch,
|
|
includeFirstState: isFirstFetch,
|
|
includeLastState: false,
|
|
maxSupportedChangeEpoch: SUPPORTED_CHANGE_EPOCH,
|
|
},
|
|
options
|
|
);
|
|
changes.push(response.changes);
|
|
if (response.end) {
|
|
revisionToFetch = response.end + 1;
|
|
}
|
|
} while (response.end && response.end < newRevision);
|
|
|
|
// Would be nice to cache the unused groupChanges here, to reduce server roundtrips
|
|
|
|
return integrateGroupChanges({
|
|
changes,
|
|
group,
|
|
newRevision,
|
|
});
|
|
}
|
|
|
|
async function integrateGroupChanges({
|
|
group,
|
|
newRevision,
|
|
changes,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
newRevision: number;
|
|
changes: Array<Proto.IGroupChanges>;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
let attributes = group;
|
|
const finalMessages: Array<Array<MessageAttributesType>> = [];
|
|
const finalMembers: Array<Array<MemberType>> = [];
|
|
|
|
const imax = changes.length;
|
|
for (let i = 0; i < imax; i += 1) {
|
|
const { groupChanges } = changes[i];
|
|
|
|
if (!groupChanges) {
|
|
continue;
|
|
}
|
|
|
|
const jmax = groupChanges.length;
|
|
for (let j = 0; j < jmax; j += 1) {
|
|
const changeState = groupChanges[j];
|
|
|
|
const { groupChange, groupState } = changeState;
|
|
|
|
if (!groupChange && !groupState) {
|
|
log.warn(
|
|
'integrateGroupChanges: item had neither groupState nor groupChange. Skipping.'
|
|
);
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
const {
|
|
newAttributes,
|
|
groupChangeMessages,
|
|
members,
|
|
// eslint-disable-next-line no-await-in-loop
|
|
} = await integrateGroupChange({
|
|
group: attributes,
|
|
newRevision,
|
|
groupChange: dropNull(groupChange),
|
|
groupState: dropNull(groupState),
|
|
});
|
|
|
|
attributes = newAttributes;
|
|
finalMessages.push(groupChangeMessages);
|
|
finalMembers.push(members);
|
|
} catch (error) {
|
|
log.error(
|
|
`integrateGroupChanges/${logId}: Failed to apply change log, continuing to apply remaining change logs.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
// If this is our first fetch, we will collapse this down to one set of messages
|
|
const isFirstFetch = !isNumber(group.revision);
|
|
if (isFirstFetch) {
|
|
// The first array in finalMessages is from the first revision we could process. It
|
|
// should contain a message about how we joined the group.
|
|
const joinMessages = finalMessages[0];
|
|
const alreadyHaveJoinMessage = joinMessages && joinMessages.length > 0;
|
|
|
|
// There have been other changes since that first revision, so we generate diffs for
|
|
// the whole of the change since then, likely without the initial join message.
|
|
const otherMessages = extractDiffs({
|
|
old: group,
|
|
current: attributes,
|
|
dropInitialJoinMessage: alreadyHaveJoinMessage,
|
|
});
|
|
|
|
const groupChangeMessages = alreadyHaveJoinMessage
|
|
? [joinMessages[0], ...otherMessages]
|
|
: otherMessages;
|
|
|
|
return {
|
|
newAttributes: attributes,
|
|
groupChangeMessages,
|
|
members: flatten(finalMembers),
|
|
};
|
|
}
|
|
|
|
return {
|
|
newAttributes: attributes,
|
|
groupChangeMessages: flatten(finalMessages),
|
|
members: flatten(finalMembers),
|
|
};
|
|
}
|
|
|
|
async function integrateGroupChange({
|
|
group,
|
|
groupChange,
|
|
groupState,
|
|
newRevision,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
groupChange?: Proto.IGroupChange;
|
|
groupState?: Proto.IGroup;
|
|
newRevision: number;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
if (!group.secretParams) {
|
|
throw new Error(
|
|
`integrateGroupChange/${logId}: Group was missing secretParams!`
|
|
);
|
|
}
|
|
|
|
if (!groupChange && !groupState) {
|
|
throw new Error(
|
|
`integrateGroupChange/${logId}: Neither groupChange nor groupState received!`
|
|
);
|
|
}
|
|
|
|
const isFirstFetch = !isNumber(group.revision);
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
const weAreAwaitingApproval = (group.pendingAdminApprovalV2 || []).find(
|
|
item => item.uuid === ourUuid
|
|
);
|
|
|
|
// These need to be populated from the groupChange. But we might not get one!
|
|
let isChangeSupported = false;
|
|
let isMoreThanOneVersionUp = false;
|
|
let groupChangeActions: undefined | Proto.GroupChange.IActions;
|
|
let decryptedChangeActions: undefined | DecryptedGroupChangeActions;
|
|
let sourceUuid: undefined | UUIDStringType;
|
|
|
|
if (groupChange) {
|
|
groupChangeActions = Proto.GroupChange.Actions.decode(
|
|
groupChange.actions || new Uint8Array(0)
|
|
);
|
|
|
|
if (
|
|
groupChangeActions.version &&
|
|
groupChangeActions.version > newRevision
|
|
) {
|
|
return {
|
|
newAttributes: group,
|
|
groupChangeMessages: [],
|
|
members: [],
|
|
};
|
|
}
|
|
|
|
decryptedChangeActions = decryptGroupChange(
|
|
groupChangeActions,
|
|
group.secretParams,
|
|
logId
|
|
);
|
|
|
|
strictAssert(
|
|
decryptedChangeActions !== undefined,
|
|
'Should have decrypted group actions'
|
|
);
|
|
({ sourceUuid } = decryptedChangeActions);
|
|
strictAssert(sourceUuid, 'Should have source UUID');
|
|
|
|
isChangeSupported =
|
|
!isNumber(groupChange.changeEpoch) ||
|
|
groupChange.changeEpoch <= SUPPORTED_CHANGE_EPOCH;
|
|
|
|
isMoreThanOneVersionUp = Boolean(
|
|
groupChangeActions.version &&
|
|
isNumber(group.revision) &&
|
|
groupChangeActions.version > group.revision + 1
|
|
);
|
|
}
|
|
|
|
if (
|
|
!groupChange ||
|
|
!isChangeSupported ||
|
|
isFirstFetch ||
|
|
(isMoreThanOneVersionUp && !weAreAwaitingApproval)
|
|
) {
|
|
if (!groupState) {
|
|
throw new Error(
|
|
`integrateGroupChange/${logId}: No group state, but we can't apply changes!`
|
|
);
|
|
}
|
|
|
|
log.info(
|
|
`integrateGroupChange/${logId}: Applying full group state, from version ${group.revision} to ${groupState.version}`,
|
|
{
|
|
isChangePresent: Boolean(groupChange),
|
|
isChangeSupported,
|
|
isFirstFetch,
|
|
isMoreThanOneVersionUp,
|
|
weAreAwaitingApproval,
|
|
}
|
|
);
|
|
|
|
const decryptedGroupState = decryptGroupState(
|
|
groupState,
|
|
group.secretParams,
|
|
logId
|
|
);
|
|
|
|
const { newAttributes, newProfileKeys } = await applyGroupState({
|
|
group,
|
|
groupState: decryptedGroupState,
|
|
sourceUuid: isFirstFetch ? sourceUuid : undefined,
|
|
});
|
|
|
|
return {
|
|
newAttributes,
|
|
groupChangeMessages: extractDiffs({
|
|
old: group,
|
|
current: newAttributes,
|
|
sourceUuid: isFirstFetch ? sourceUuid : undefined,
|
|
}),
|
|
members: profileKeysToMembers(newProfileKeys),
|
|
};
|
|
}
|
|
|
|
if (!sourceUuid || !groupChangeActions || !decryptedChangeActions) {
|
|
throw new Error(
|
|
`integrateGroupChange/${logId}: Missing necessary information that should have come from group actions`
|
|
);
|
|
}
|
|
|
|
log.info(
|
|
`integrateGroupChange/${logId}: Applying group change actions, from version ${group.revision} to ${groupChangeActions.version}`
|
|
);
|
|
|
|
const { newAttributes, newProfileKeys } = await applyGroupChange({
|
|
group,
|
|
actions: decryptedChangeActions,
|
|
sourceUuid,
|
|
});
|
|
const groupChangeMessages = extractDiffs({
|
|
old: group,
|
|
current: newAttributes,
|
|
sourceUuid,
|
|
});
|
|
|
|
return {
|
|
newAttributes,
|
|
groupChangeMessages,
|
|
members: profileKeysToMembers(newProfileKeys),
|
|
};
|
|
}
|
|
|
|
async function getCurrentGroupState({
|
|
authCredentialBase64,
|
|
dropInitialJoinMessage,
|
|
group,
|
|
serverPublicParamsBase64,
|
|
}: {
|
|
authCredentialBase64: string;
|
|
dropInitialJoinMessage?: boolean;
|
|
group: ConversationAttributesType;
|
|
serverPublicParamsBase64: string;
|
|
}): Promise<UpdatesResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
const sender = window.textsecure.messaging;
|
|
if (!sender) {
|
|
throw new Error('textsecure.messaging is not available!');
|
|
}
|
|
if (!group.secretParams) {
|
|
throw new Error('getCurrentGroupState: group was missing secretParams!');
|
|
}
|
|
if (!group.publicParams) {
|
|
throw new Error('getCurrentGroupState: group was missing publicParams!');
|
|
}
|
|
|
|
const options = getGroupCredentials({
|
|
authCredentialBase64,
|
|
groupPublicParamsBase64: group.publicParams,
|
|
groupSecretParamsBase64: group.secretParams,
|
|
serverPublicParamsBase64,
|
|
});
|
|
|
|
const groupState = await sender.getGroup(options);
|
|
const decryptedGroupState = decryptGroupState(
|
|
groupState,
|
|
group.secretParams,
|
|
logId
|
|
);
|
|
|
|
const oldVersion = group.revision;
|
|
const newVersion = decryptedGroupState.version;
|
|
log.info(
|
|
`getCurrentGroupState/${logId}: Applying full group state, from version ${oldVersion} to ${newVersion}.`
|
|
);
|
|
const { newAttributes, newProfileKeys } = await applyGroupState({
|
|
group,
|
|
groupState: decryptedGroupState,
|
|
});
|
|
|
|
return {
|
|
newAttributes,
|
|
groupChangeMessages: extractDiffs({
|
|
old: group,
|
|
current: newAttributes,
|
|
dropInitialJoinMessage,
|
|
}),
|
|
members: profileKeysToMembers(newProfileKeys),
|
|
};
|
|
}
|
|
|
|
function extractDiffs({
|
|
current,
|
|
dropInitialJoinMessage,
|
|
old,
|
|
sourceUuid,
|
|
}: {
|
|
current: ConversationAttributesType;
|
|
dropInitialJoinMessage?: boolean;
|
|
old: ConversationAttributesType;
|
|
sourceUuid?: UUIDStringType;
|
|
}): Array<MessageAttributesType> {
|
|
const logId = idForLogging(old.groupId);
|
|
const details: Array<GroupV2ChangeDetailType> = [];
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
|
|
let areWeInGroup = false;
|
|
let areWeInvitedToGroup = false;
|
|
let whoInvitedUsUserId = null;
|
|
|
|
// access control
|
|
|
|
if (
|
|
current.accessControl &&
|
|
old.accessControl &&
|
|
old.accessControl.attributes !== undefined &&
|
|
old.accessControl.attributes !== current.accessControl.attributes
|
|
) {
|
|
details.push({
|
|
type: 'access-attributes',
|
|
newPrivilege: current.accessControl.attributes,
|
|
});
|
|
}
|
|
if (
|
|
current.accessControl &&
|
|
old.accessControl &&
|
|
old.accessControl.members !== undefined &&
|
|
old.accessControl.members !== current.accessControl.members
|
|
) {
|
|
details.push({
|
|
type: 'access-members',
|
|
newPrivilege: current.accessControl.members,
|
|
});
|
|
}
|
|
|
|
const linkPreviouslyEnabled =
|
|
old.accessControl?.addFromInviteLink === ACCESS_ENUM.ANY ||
|
|
old.accessControl?.addFromInviteLink === ACCESS_ENUM.ADMINISTRATOR;
|
|
const linkCurrentlyEnabled =
|
|
current.accessControl?.addFromInviteLink === ACCESS_ENUM.ANY ||
|
|
current.accessControl?.addFromInviteLink === ACCESS_ENUM.ADMINISTRATOR;
|
|
|
|
if (!linkPreviouslyEnabled && linkCurrentlyEnabled) {
|
|
details.push({
|
|
type: 'group-link-add',
|
|
privilege: current.accessControl?.addFromInviteLink || ACCESS_ENUM.ANY,
|
|
});
|
|
} else if (linkPreviouslyEnabled && !linkCurrentlyEnabled) {
|
|
details.push({
|
|
type: 'group-link-remove',
|
|
});
|
|
} else if (
|
|
linkPreviouslyEnabled &&
|
|
linkCurrentlyEnabled &&
|
|
old.accessControl?.addFromInviteLink !==
|
|
current.accessControl?.addFromInviteLink
|
|
) {
|
|
details.push({
|
|
type: 'access-invite-link',
|
|
newPrivilege: current.accessControl?.addFromInviteLink || ACCESS_ENUM.ANY,
|
|
});
|
|
}
|
|
|
|
// avatar
|
|
|
|
if (
|
|
Boolean(old.avatar) !== Boolean(current.avatar) ||
|
|
old.avatar?.hash !== current.avatar?.hash
|
|
) {
|
|
details.push({
|
|
type: 'avatar',
|
|
removed: !current.avatar,
|
|
});
|
|
}
|
|
|
|
// name
|
|
|
|
if (old.name !== current.name) {
|
|
details.push({
|
|
type: 'title',
|
|
newTitle: current.name,
|
|
});
|
|
}
|
|
|
|
// groupInviteLinkPassword
|
|
|
|
// Note: we only capture link resets here. Enable/disable are controlled by the
|
|
// accessControl.addFromInviteLink
|
|
if (
|
|
old.groupInviteLinkPassword &&
|
|
current.groupInviteLinkPassword &&
|
|
old.groupInviteLinkPassword !== current.groupInviteLinkPassword
|
|
) {
|
|
details.push({
|
|
type: 'group-link-reset',
|
|
});
|
|
}
|
|
|
|
// description
|
|
if (old.description !== current.description) {
|
|
details.push({
|
|
type: 'description',
|
|
removed: !current.description,
|
|
description: current.description,
|
|
});
|
|
}
|
|
|
|
// No disappearing message timer check here - see below
|
|
|
|
// membersV2
|
|
|
|
const oldMemberLookup = new Map<UUIDStringType, GroupV2MemberType>(
|
|
(old.membersV2 || []).map(member => [member.uuid, member])
|
|
);
|
|
const oldPendingMemberLookup = new Map<
|
|
UUIDStringType,
|
|
GroupV2PendingMemberType
|
|
>((old.pendingMembersV2 || []).map(member => [member.uuid, member]));
|
|
const oldPendingAdminApprovalLookup = new Map<
|
|
UUIDStringType,
|
|
GroupV2PendingAdminApprovalType
|
|
>((old.pendingAdminApprovalV2 || []).map(member => [member.uuid, member]));
|
|
|
|
(current.membersV2 || []).forEach(currentMember => {
|
|
const { uuid } = currentMember;
|
|
|
|
if (uuid === ourUuid) {
|
|
areWeInGroup = true;
|
|
}
|
|
|
|
const oldMember = oldMemberLookup.get(uuid);
|
|
if (!oldMember) {
|
|
const pendingMember = oldPendingMemberLookup.get(uuid);
|
|
if (pendingMember) {
|
|
details.push({
|
|
type: 'member-add-from-invite',
|
|
uuid,
|
|
inviter: pendingMember.addedByUserId,
|
|
});
|
|
} else if (currentMember.joinedFromLink) {
|
|
details.push({
|
|
type: 'member-add-from-link',
|
|
uuid,
|
|
});
|
|
} else if (currentMember.approvedByAdmin) {
|
|
details.push({
|
|
type: 'member-add-from-admin-approval',
|
|
uuid,
|
|
});
|
|
} else {
|
|
details.push({
|
|
type: 'member-add',
|
|
uuid,
|
|
});
|
|
}
|
|
} else if (oldMember.role !== currentMember.role) {
|
|
details.push({
|
|
type: 'member-privilege',
|
|
uuid,
|
|
newPrivilege: currentMember.role,
|
|
});
|
|
}
|
|
|
|
// We don't want to generate an admin-approval-remove event for this newly-added
|
|
// member. But we don't know for sure if this is an admin approval; for that we
|
|
// consulted the approvedByAdmin flag saved on the member.
|
|
oldPendingAdminApprovalLookup.delete(uuid);
|
|
|
|
// If we capture a pending remove here, it's an 'accept invitation', and we don't
|
|
// want to generate a pending-remove event for it
|
|
oldPendingMemberLookup.delete(uuid);
|
|
|
|
// This deletion makes it easier to capture removals
|
|
oldMemberLookup.delete(uuid);
|
|
});
|
|
|
|
const removedMemberIds = Array.from(oldMemberLookup.keys());
|
|
removedMemberIds.forEach(uuid => {
|
|
details.push({
|
|
type: 'member-remove',
|
|
uuid,
|
|
});
|
|
});
|
|
|
|
// pendingMembersV2
|
|
|
|
let lastPendingUuid: UUIDStringType | undefined;
|
|
let pendingCount = 0;
|
|
(current.pendingMembersV2 || []).forEach(currentPendingMember => {
|
|
const { uuid } = currentPendingMember;
|
|
const oldPendingMember = oldPendingMemberLookup.get(uuid);
|
|
|
|
if (uuid === ourUuid) {
|
|
areWeInvitedToGroup = true;
|
|
whoInvitedUsUserId = currentPendingMember.addedByUserId;
|
|
}
|
|
|
|
if (!oldPendingMember) {
|
|
lastPendingUuid = uuid;
|
|
pendingCount += 1;
|
|
}
|
|
|
|
// This deletion makes it easier to capture removals
|
|
oldPendingMemberLookup.delete(uuid);
|
|
});
|
|
|
|
if (pendingCount > 1) {
|
|
details.push({
|
|
type: 'pending-add-many',
|
|
count: pendingCount,
|
|
});
|
|
} else if (pendingCount === 1) {
|
|
if (lastPendingUuid) {
|
|
details.push({
|
|
type: 'pending-add-one',
|
|
uuid: lastPendingUuid,
|
|
});
|
|
} else {
|
|
log.warn(
|
|
`extractDiffs/${logId}: pendingCount was 1, no last conversationId available`
|
|
);
|
|
}
|
|
}
|
|
|
|
// Note: The only members left over here should be people who were moved from the
|
|
// pending list but also not added to the group at the same time.
|
|
const removedPendingMemberIds = Array.from(oldPendingMemberLookup.keys());
|
|
if (removedPendingMemberIds.length > 1) {
|
|
const firstUuid = removedPendingMemberIds[0];
|
|
const firstRemovedMember = oldPendingMemberLookup.get(firstUuid);
|
|
strictAssert(
|
|
firstRemovedMember !== undefined,
|
|
'First removed member not found'
|
|
);
|
|
const inviter = firstRemovedMember.addedByUserId;
|
|
const allSameInviter = removedPendingMemberIds.every(
|
|
id => oldPendingMemberLookup.get(id)?.addedByUserId === inviter
|
|
);
|
|
details.push({
|
|
type: 'pending-remove-many',
|
|
count: removedPendingMemberIds.length,
|
|
inviter: allSameInviter ? inviter : undefined,
|
|
});
|
|
} else if (removedPendingMemberIds.length === 1) {
|
|
const uuid = removedPendingMemberIds[0];
|
|
const removedMember = oldPendingMemberLookup.get(uuid);
|
|
strictAssert(removedMember !== undefined, 'Removed member not found');
|
|
|
|
details.push({
|
|
type: 'pending-remove-one',
|
|
uuid,
|
|
inviter: removedMember.addedByUserId,
|
|
});
|
|
}
|
|
|
|
// pendingAdminApprovalV2
|
|
|
|
(current.pendingAdminApprovalV2 || []).forEach(
|
|
currentPendingAdminAprovalMember => {
|
|
const { uuid } = currentPendingAdminAprovalMember;
|
|
const oldPendingMember = oldPendingAdminApprovalLookup.get(uuid);
|
|
|
|
if (!oldPendingMember) {
|
|
details.push({
|
|
type: 'admin-approval-add-one',
|
|
uuid,
|
|
});
|
|
}
|
|
|
|
// This deletion makes it easier to capture removals
|
|
oldPendingAdminApprovalLookup.delete(uuid);
|
|
}
|
|
);
|
|
|
|
// Note: The only members left over here should be people who were moved from the
|
|
// pendingAdminApproval list but also not added to the group at the same time.
|
|
const removedPendingAdminApprovalIds = Array.from(
|
|
oldPendingAdminApprovalLookup.keys()
|
|
);
|
|
removedPendingAdminApprovalIds.forEach(uuid => {
|
|
details.push({
|
|
type: 'admin-approval-remove-one',
|
|
uuid,
|
|
});
|
|
});
|
|
|
|
// announcementsOnly
|
|
|
|
if (Boolean(old.announcementsOnly) !== Boolean(current.announcementsOnly)) {
|
|
details.push({
|
|
type: 'announcements-only',
|
|
announcementsOnly: Boolean(current.announcementsOnly),
|
|
});
|
|
}
|
|
|
|
// final processing
|
|
|
|
let message: MessageAttributesType | undefined;
|
|
let timerNotification: MessageAttributesType | undefined;
|
|
|
|
const firstUpdate = !isNumber(old.revision);
|
|
|
|
// Here we hardcode initial messages if this is our first time processing data this
|
|
// group. Ideally we can collapse it down to just one of: 'you were added',
|
|
// 'you were invited', or 'you created.'
|
|
if (firstUpdate && areWeInvitedToGroup) {
|
|
// Note, we will add 'you were invited' to group even if dropInitialJoinMessage = true
|
|
message = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
from: whoInvitedUsUserId || sourceUuid,
|
|
details: [
|
|
{
|
|
type: 'pending-add-one',
|
|
uuid: ourUuid,
|
|
},
|
|
],
|
|
},
|
|
};
|
|
} else if (firstUpdate && dropInitialJoinMessage) {
|
|
// None of the rest of the messages should be added if dropInitialJoinMessage = true
|
|
message = undefined;
|
|
} else if (firstUpdate && sourceUuid && sourceUuid === ourUuid) {
|
|
message = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
from: sourceUuid,
|
|
details: [
|
|
{
|
|
type: 'create',
|
|
},
|
|
],
|
|
},
|
|
};
|
|
} else if (firstUpdate && areWeInGroup) {
|
|
message = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
from: sourceUuid,
|
|
details: [
|
|
{
|
|
type: 'member-add',
|
|
uuid: ourUuid,
|
|
},
|
|
],
|
|
},
|
|
};
|
|
} else if (firstUpdate) {
|
|
message = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
groupV2Change: {
|
|
from: sourceUuid,
|
|
details: [
|
|
{
|
|
type: 'create',
|
|
},
|
|
],
|
|
},
|
|
};
|
|
} else if (details.length > 0) {
|
|
message = {
|
|
...generateBasicMessage(),
|
|
type: 'group-v2-change',
|
|
sourceUuid,
|
|
groupV2Change: {
|
|
from: sourceUuid,
|
|
details,
|
|
},
|
|
};
|
|
}
|
|
|
|
// This is checked differently, because it needs to be its own entry in the timeline,
|
|
// with its own icon, etc.
|
|
if (
|
|
// Turn on or turned off
|
|
Boolean(old.expireTimer) !== Boolean(current.expireTimer) ||
|
|
// Still on, but changed value
|
|
(Boolean(old.expireTimer) &&
|
|
Boolean(current.expireTimer) &&
|
|
old.expireTimer !== current.expireTimer)
|
|
) {
|
|
timerNotification = {
|
|
...generateBasicMessage(),
|
|
type: 'timer-notification',
|
|
sourceUuid,
|
|
flags: Proto.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
|
|
expirationTimerUpdate: {
|
|
expireTimer: current.expireTimer || 0,
|
|
sourceUuid,
|
|
},
|
|
};
|
|
}
|
|
|
|
const result = compact([message, timerNotification]);
|
|
|
|
log.info(
|
|
`extractDiffs/${logId} complete, generated ${result.length} change messages`
|
|
);
|
|
|
|
return result;
|
|
}
|
|
|
|
function profileKeysToMembers(items: Array<GroupChangeMemberType>) {
|
|
return items.map(item => ({
|
|
profileKey: Bytes.toBase64(item.profileKey),
|
|
uuid: item.uuid,
|
|
}));
|
|
}
|
|
|
|
type GroupChangeMemberType = {
|
|
profileKey: Uint8Array;
|
|
uuid: UUIDStringType;
|
|
};
|
|
type GroupApplyResultType = {
|
|
newAttributes: ConversationAttributesType;
|
|
newProfileKeys: Array<GroupChangeMemberType>;
|
|
};
|
|
|
|
async function applyGroupChange({
|
|
actions,
|
|
group,
|
|
sourceUuid,
|
|
}: {
|
|
actions: DecryptedGroupChangeActions;
|
|
group: ConversationAttributesType;
|
|
sourceUuid: UUIDStringType;
|
|
}): Promise<GroupApplyResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
const ourUuid = window.storage.user.getUuid()?.toString();
|
|
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
const version = actions.version || 0;
|
|
const result = { ...group };
|
|
const newProfileKeys: Array<GroupChangeMemberType> = [];
|
|
|
|
const members: Record<UUIDStringType, GroupV2MemberType> = fromPairs(
|
|
(result.membersV2 || []).map(member => [member.uuid, member])
|
|
);
|
|
const pendingMembers: Record<UUIDStringType, GroupV2PendingMemberType> =
|
|
fromPairs(
|
|
(result.pendingMembersV2 || []).map(member => [member.uuid, member])
|
|
);
|
|
const pendingAdminApprovalMembers: Record<
|
|
UUIDStringType,
|
|
GroupV2PendingAdminApprovalType
|
|
> = fromPairs(
|
|
(result.pendingAdminApprovalV2 || []).map(member => [member.uuid, member])
|
|
);
|
|
|
|
// version?: number;
|
|
result.revision = version;
|
|
|
|
// addMembers?: Array<GroupChange.Actions.AddMemberAction>;
|
|
(actions.addMembers || []).forEach(addMember => {
|
|
const { added } = addMember;
|
|
if (!added || !added.userId) {
|
|
throw new Error('applyGroupChange: addMember.added is missing');
|
|
}
|
|
|
|
const addedUuid = UUID.cast(added.userId);
|
|
|
|
if (members[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add member failed; already in members.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
members[addedUuid] = {
|
|
uuid: addedUuid,
|
|
role: added.role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
joinedAtVersion: version,
|
|
joinedFromLink: addMember.joinFromInviteLink || false,
|
|
};
|
|
|
|
if (pendingMembers[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Removing newly-added member from pendingMembers.`
|
|
);
|
|
delete pendingMembers[addedUuid];
|
|
}
|
|
|
|
// Capture who added us
|
|
if (ourUuid && sourceUuid && addedUuid === ourUuid) {
|
|
result.addedBy = sourceUuid;
|
|
}
|
|
|
|
if (added.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: added.profileKey,
|
|
uuid: UUID.cast(added.userId),
|
|
});
|
|
}
|
|
});
|
|
|
|
// deleteMembers?: Array<GroupChange.Actions.DeleteMemberAction>;
|
|
(actions.deleteMembers || []).forEach(deleteMember => {
|
|
const { deletedUserId } = deleteMember;
|
|
if (!deletedUserId) {
|
|
throw new Error(
|
|
'applyGroupChange: deleteMember.deletedUserId is missing'
|
|
);
|
|
}
|
|
|
|
const deletedUuid = UUID.cast(deletedUserId);
|
|
if (members[deletedUuid]) {
|
|
delete members[deletedUuid];
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to remove member failed; was not in members.`
|
|
);
|
|
}
|
|
});
|
|
|
|
// modifyMemberRoles?: Array<GroupChange.Actions.ModifyMemberRoleAction>;
|
|
(actions.modifyMemberRoles || []).forEach(modifyMemberRole => {
|
|
const { role, userId } = modifyMemberRole;
|
|
if (!role || !userId) {
|
|
throw new Error('applyGroupChange: modifyMemberRole had a missing value');
|
|
}
|
|
|
|
const userUuid = UUID.cast(userId);
|
|
if (members[userUuid]) {
|
|
members[userUuid] = {
|
|
...members[userUuid],
|
|
role,
|
|
};
|
|
} else {
|
|
throw new Error(
|
|
'applyGroupChange: modifyMemberRole tried to modify nonexistent member'
|
|
);
|
|
}
|
|
});
|
|
|
|
// modifyMemberProfileKeys?:
|
|
// Array<GroupChange.Actions.ModifyMemberProfileKeyAction>;
|
|
(actions.modifyMemberProfileKeys || []).forEach(modifyMemberProfileKey => {
|
|
const { profileKey, uuid } = modifyMemberProfileKey;
|
|
if (!profileKey || !uuid) {
|
|
throw new Error(
|
|
'applyGroupChange: modifyMemberProfileKey had a missing value'
|
|
);
|
|
}
|
|
|
|
newProfileKeys.push({
|
|
profileKey,
|
|
uuid: UUID.cast(uuid),
|
|
});
|
|
});
|
|
|
|
// addPendingMembers?: Array<
|
|
// GroupChange.Actions.AddMemberPendingProfileKeyAction
|
|
// >;
|
|
(actions.addPendingMembers || []).forEach(addPendingMember => {
|
|
const { added } = addPendingMember;
|
|
if (!added || !added.member || !added.member.userId) {
|
|
throw new Error(
|
|
'applyGroupChange: addPendingMembers had a missing value'
|
|
);
|
|
}
|
|
|
|
const addedUuid = UUID.cast(added.member.userId);
|
|
|
|
if (members[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add pendingMember failed; was already in members.`
|
|
);
|
|
return;
|
|
}
|
|
if (pendingMembers[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add pendingMember failed; was already in pendingMembers.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
pendingMembers[addedUuid] = {
|
|
uuid: addedUuid,
|
|
addedByUserId: UUID.cast(added.addedByUserId),
|
|
timestamp: added.timestamp,
|
|
role: added.member.role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
};
|
|
|
|
if (added.member && added.member.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: added.member.profileKey,
|
|
uuid: addedUuid,
|
|
});
|
|
}
|
|
});
|
|
|
|
// deletePendingMembers?: Array<
|
|
// GroupChange.Actions.DeleteMemberPendingProfileKeyAction
|
|
// >;
|
|
(actions.deletePendingMembers || []).forEach(deletePendingMember => {
|
|
const { deletedUserId } = deletePendingMember;
|
|
if (!deletedUserId) {
|
|
throw new Error(
|
|
'applyGroupChange: deletePendingMember.deletedUserId is null!'
|
|
);
|
|
}
|
|
|
|
const deletedUuid = UUID.cast(deletedUserId);
|
|
|
|
if (pendingMembers[deletedUuid]) {
|
|
delete pendingMembers[deletedUuid];
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to remove pendingMember failed; was not in pendingMembers.`
|
|
);
|
|
}
|
|
});
|
|
|
|
// promotePendingMembers?: Array<
|
|
// GroupChange.Actions.PromoteMemberPendingProfileKeyAction
|
|
// >;
|
|
(actions.promotePendingMembers || []).forEach(promotePendingMember => {
|
|
const { profileKey, uuid: rawUuid } = promotePendingMember;
|
|
if (!profileKey || !rawUuid) {
|
|
throw new Error(
|
|
'applyGroupChange: promotePendingMember had a missing value'
|
|
);
|
|
}
|
|
|
|
const uuid = UUID.cast(rawUuid);
|
|
const previousRecord = pendingMembers[uuid];
|
|
|
|
if (pendingMembers[uuid]) {
|
|
delete pendingMembers[uuid];
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to promote pendingMember failed; was not in pendingMembers.`
|
|
);
|
|
}
|
|
|
|
if (members[uuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to promote pendingMember failed; was already in members.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
members[uuid] = {
|
|
uuid,
|
|
joinedAtVersion: version,
|
|
role: previousRecord.role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
};
|
|
|
|
newProfileKeys.push({
|
|
profileKey,
|
|
uuid,
|
|
});
|
|
});
|
|
|
|
// modifyTitle?: GroupChange.Actions.ModifyTitleAction;
|
|
if (actions.modifyTitle) {
|
|
const { title } = actions.modifyTitle;
|
|
if (title && title.content === 'title') {
|
|
result.name = title.title;
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Clearing group title due to missing data.`
|
|
);
|
|
result.name = undefined;
|
|
}
|
|
}
|
|
|
|
// modifyAvatar?: GroupChange.Actions.ModifyAvatarAction;
|
|
if (actions.modifyAvatar) {
|
|
const { avatar } = actions.modifyAvatar;
|
|
await applyNewAvatar(dropNull(avatar), result, logId);
|
|
}
|
|
|
|
// modifyDisappearingMessagesTimer?:
|
|
// GroupChange.Actions.ModifyDisappearingMessagesTimerAction;
|
|
if (actions.modifyDisappearingMessagesTimer) {
|
|
const disappearingMessagesTimer: Proto.GroupAttributeBlob | undefined =
|
|
actions.modifyDisappearingMessagesTimer.timer;
|
|
if (
|
|
disappearingMessagesTimer &&
|
|
disappearingMessagesTimer.content === 'disappearingMessagesDuration'
|
|
) {
|
|
result.expireTimer =
|
|
disappearingMessagesTimer.disappearingMessagesDuration;
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Clearing group expireTimer due to missing data.`
|
|
);
|
|
result.expireTimer = undefined;
|
|
}
|
|
}
|
|
|
|
result.accessControl = result.accessControl || {
|
|
members: ACCESS_ENUM.MEMBER,
|
|
attributes: ACCESS_ENUM.MEMBER,
|
|
addFromInviteLink: ACCESS_ENUM.UNSATISFIABLE,
|
|
};
|
|
|
|
// modifyAttributesAccess?:
|
|
// GroupChange.Actions.ModifyAttributesAccessControlAction;
|
|
if (actions.modifyAttributesAccess) {
|
|
result.accessControl = {
|
|
...result.accessControl,
|
|
attributes:
|
|
actions.modifyAttributesAccess.attributesAccess || ACCESS_ENUM.MEMBER,
|
|
};
|
|
}
|
|
|
|
// modifyMemberAccess?: GroupChange.Actions.ModifyMembersAccessControlAction;
|
|
if (actions.modifyMemberAccess) {
|
|
result.accessControl = {
|
|
...result.accessControl,
|
|
members: actions.modifyMemberAccess.membersAccess || ACCESS_ENUM.MEMBER,
|
|
};
|
|
}
|
|
|
|
// modifyAddFromInviteLinkAccess?:
|
|
// GroupChange.Actions.ModifyAddFromInviteLinkAccessControlAction;
|
|
if (actions.modifyAddFromInviteLinkAccess) {
|
|
result.accessControl = {
|
|
...result.accessControl,
|
|
addFromInviteLink:
|
|
actions.modifyAddFromInviteLinkAccess.addFromInviteLinkAccess ||
|
|
ACCESS_ENUM.UNSATISFIABLE,
|
|
};
|
|
}
|
|
|
|
// addMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.AddMemberPendingAdminApprovalAction
|
|
// >;
|
|
(actions.addMemberPendingAdminApprovals || []).forEach(
|
|
pendingAdminApproval => {
|
|
const { added } = pendingAdminApproval;
|
|
if (!added) {
|
|
throw new Error(
|
|
'applyGroupChange: modifyMemberProfileKey had a missing value'
|
|
);
|
|
}
|
|
const addedUuid = UUID.cast(added.userId);
|
|
|
|
if (members[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add pending admin approval failed; was already in members.`
|
|
);
|
|
return;
|
|
}
|
|
if (pendingMembers[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add pending admin approval failed; was already in pendingMembers.`
|
|
);
|
|
return;
|
|
}
|
|
if (pendingAdminApprovalMembers[addedUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to add pending admin approval failed; was already in pendingAdminApprovalMembers.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
pendingAdminApprovalMembers[addedUuid] = {
|
|
uuid: addedUuid,
|
|
timestamp: added.timestamp,
|
|
};
|
|
|
|
if (added.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: added.profileKey,
|
|
uuid: addedUuid,
|
|
});
|
|
}
|
|
}
|
|
);
|
|
|
|
// deleteMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.DeleteMemberPendingAdminApprovalAction
|
|
// >;
|
|
(actions.deleteMemberPendingAdminApprovals || []).forEach(
|
|
deleteAdminApproval => {
|
|
const { deletedUserId } = deleteAdminApproval;
|
|
if (!deletedUserId) {
|
|
throw new Error(
|
|
'applyGroupChange: deleteAdminApproval.deletedUserId is null!'
|
|
);
|
|
}
|
|
|
|
const deletedUuid = UUID.cast(deletedUserId);
|
|
|
|
if (pendingAdminApprovalMembers[deletedUuid]) {
|
|
delete pendingAdminApprovalMembers[deletedUuid];
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to remove pendingAdminApproval failed; was not in pendingAdminApprovalMembers.`
|
|
);
|
|
}
|
|
}
|
|
);
|
|
|
|
// promoteMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.PromoteMemberPendingAdminApprovalAction
|
|
// >;
|
|
(actions.promoteMemberPendingAdminApprovals || []).forEach(
|
|
promoteAdminApproval => {
|
|
const { userId, role } = promoteAdminApproval;
|
|
if (!userId) {
|
|
throw new Error(
|
|
'applyGroupChange: promoteAdminApproval had a missing value'
|
|
);
|
|
}
|
|
|
|
const userUuid = UUID.cast(userId);
|
|
|
|
if (pendingAdminApprovalMembers[userUuid]) {
|
|
delete pendingAdminApprovalMembers[userUuid];
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to promote pendingAdminApproval failed; was not in pendingAdminApprovalMembers.`
|
|
);
|
|
}
|
|
if (pendingMembers[userUuid]) {
|
|
delete pendingAdminApprovalMembers[userUuid];
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Deleted pendingAdminApproval from pendingMembers.`
|
|
);
|
|
}
|
|
|
|
if (members[userUuid]) {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Attempt to promote pendingMember failed; was already in members.`
|
|
);
|
|
return;
|
|
}
|
|
|
|
members[userUuid] = {
|
|
uuid: userUuid,
|
|
joinedAtVersion: version,
|
|
role: role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
approvedByAdmin: true,
|
|
};
|
|
}
|
|
);
|
|
|
|
// modifyInviteLinkPassword?: GroupChange.Actions.ModifyInviteLinkPasswordAction;
|
|
if (actions.modifyInviteLinkPassword) {
|
|
const { inviteLinkPassword } = actions.modifyInviteLinkPassword;
|
|
if (inviteLinkPassword) {
|
|
result.groupInviteLinkPassword = inviteLinkPassword;
|
|
} else {
|
|
result.groupInviteLinkPassword = undefined;
|
|
}
|
|
}
|
|
|
|
// modifyDescription?: GroupChange.Actions.ModifyDescriptionAction;
|
|
if (actions.modifyDescription) {
|
|
const { descriptionBytes } = actions.modifyDescription;
|
|
if (descriptionBytes && descriptionBytes.content === 'descriptionText') {
|
|
result.description = descriptionBytes.descriptionText;
|
|
} else {
|
|
log.warn(
|
|
`applyGroupChange/${logId}: Clearing group description due to missing data.`
|
|
);
|
|
result.description = undefined;
|
|
}
|
|
}
|
|
|
|
if (actions.modifyAnnouncementsOnly) {
|
|
const { announcementsOnly } = actions.modifyAnnouncementsOnly;
|
|
result.announcementsOnly = announcementsOnly;
|
|
}
|
|
|
|
if (ourUuid) {
|
|
result.left = !members[ourUuid];
|
|
}
|
|
|
|
// Go from lookups back to arrays
|
|
result.membersV2 = values(members);
|
|
result.pendingMembersV2 = values(pendingMembers);
|
|
result.pendingAdminApprovalV2 = values(pendingAdminApprovalMembers);
|
|
|
|
return {
|
|
newAttributes: result,
|
|
newProfileKeys,
|
|
};
|
|
}
|
|
|
|
export async function decryptGroupAvatar(
|
|
avatarKey: string,
|
|
secretParamsBase64: string
|
|
): Promise<Uint8Array> {
|
|
const sender = window.textsecure.messaging;
|
|
if (!sender) {
|
|
throw new Error(
|
|
'decryptGroupAvatar: textsecure.messaging is not available!'
|
|
);
|
|
}
|
|
|
|
const ciphertext = await sender.getGroupAvatar(avatarKey);
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParamsBase64);
|
|
const plaintext = decryptGroupBlob(clientZkGroupCipher, ciphertext);
|
|
const blob = Proto.GroupAttributeBlob.decode(plaintext);
|
|
if (blob.content !== 'avatar') {
|
|
throw new Error(
|
|
`decryptGroupAvatar: Returned blob had incorrect content: ${blob.content}`
|
|
);
|
|
}
|
|
|
|
return blob.avatar;
|
|
}
|
|
|
|
// Ovewriting result.avatar as part of functionality
|
|
/* eslint-disable no-param-reassign */
|
|
export async function applyNewAvatar(
|
|
newAvatar: string | undefined,
|
|
result: Pick<ConversationAttributesType, 'avatar' | 'secretParams'>,
|
|
logId: string
|
|
): Promise<void> {
|
|
try {
|
|
// Avatar has been dropped
|
|
if (!newAvatar && result.avatar) {
|
|
await window.Signal.Migrations.deleteAttachmentData(result.avatar.path);
|
|
result.avatar = undefined;
|
|
}
|
|
|
|
// Group has avatar; has it changed?
|
|
if (newAvatar && (!result.avatar || result.avatar.url !== newAvatar)) {
|
|
if (!result.secretParams) {
|
|
throw new Error('applyNewAvatar: group was missing secretParams!');
|
|
}
|
|
|
|
const data = await decryptGroupAvatar(newAvatar, result.secretParams);
|
|
const hash = computeHash(data);
|
|
|
|
if (result.avatar && result.avatar.path && result.avatar.hash !== hash) {
|
|
await window.Signal.Migrations.deleteAttachmentData(result.avatar.path);
|
|
result.avatar = undefined;
|
|
}
|
|
|
|
if (!result.avatar) {
|
|
const path = await window.Signal.Migrations.writeNewAttachmentData(
|
|
data
|
|
);
|
|
result.avatar = {
|
|
url: newAvatar,
|
|
path,
|
|
hash,
|
|
};
|
|
}
|
|
}
|
|
} catch (error) {
|
|
log.warn(
|
|
`applyNewAvatar/${logId} Failed to handle avatar, clearing it`,
|
|
error.stack
|
|
);
|
|
if (result.avatar && result.avatar.path) {
|
|
await window.Signal.Migrations.deleteAttachmentData(result.avatar.path);
|
|
}
|
|
result.avatar = undefined;
|
|
}
|
|
}
|
|
/* eslint-enable no-param-reassign */
|
|
|
|
async function applyGroupState({
|
|
group,
|
|
groupState,
|
|
sourceUuid,
|
|
}: {
|
|
group: ConversationAttributesType;
|
|
groupState: DecryptedGroupState;
|
|
sourceUuid?: UUIDStringType;
|
|
}): Promise<GroupApplyResultType> {
|
|
const logId = idForLogging(group.groupId);
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
const version = groupState.version || 0;
|
|
const result = { ...group };
|
|
const newProfileKeys: Array<GroupChangeMemberType> = [];
|
|
|
|
// version
|
|
result.revision = version;
|
|
|
|
// title
|
|
// Note: During decryption, title becomes a GroupAttributeBlob
|
|
const { title } = groupState;
|
|
if (title && title.content === 'title') {
|
|
result.name = title.title;
|
|
} else {
|
|
result.name = undefined;
|
|
}
|
|
|
|
// avatar
|
|
await applyNewAvatar(dropNull(groupState.avatar), result, logId);
|
|
|
|
// disappearingMessagesTimer
|
|
// Note: during decryption, disappearingMessageTimer becomes a GroupAttributeBlob
|
|
const { disappearingMessagesTimer } = groupState;
|
|
if (
|
|
disappearingMessagesTimer &&
|
|
disappearingMessagesTimer.content === 'disappearingMessagesDuration'
|
|
) {
|
|
result.expireTimer = disappearingMessagesTimer.disappearingMessagesDuration;
|
|
} else {
|
|
result.expireTimer = undefined;
|
|
}
|
|
|
|
// accessControl
|
|
const { accessControl } = groupState;
|
|
result.accessControl = {
|
|
attributes:
|
|
(accessControl && accessControl.attributes) || ACCESS_ENUM.MEMBER,
|
|
members: (accessControl && accessControl.members) || ACCESS_ENUM.MEMBER,
|
|
addFromInviteLink:
|
|
(accessControl && accessControl.addFromInviteLink) ||
|
|
ACCESS_ENUM.UNSATISFIABLE,
|
|
};
|
|
|
|
// Optimization: we assume we have left the group unless we are found in members
|
|
result.left = true;
|
|
const ourUuid = window.storage.user.getCheckedUuid().toString();
|
|
|
|
// members
|
|
if (groupState.members) {
|
|
result.membersV2 = groupState.members.map(member => {
|
|
if (member.userId === ourUuid) {
|
|
result.left = false;
|
|
|
|
// Capture who added us if we were previously not in group
|
|
if (
|
|
sourceUuid &&
|
|
(result.membersV2 || []).every(item => item.uuid !== ourUuid)
|
|
) {
|
|
result.addedBy = sourceUuid;
|
|
}
|
|
}
|
|
|
|
if (!isValidRole(member.role)) {
|
|
throw new Error(
|
|
`applyGroupState: Member had invalid role ${member.role}`
|
|
);
|
|
}
|
|
|
|
if (member.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: member.profileKey,
|
|
uuid: UUID.cast(member.userId),
|
|
});
|
|
}
|
|
|
|
return {
|
|
role: member.role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
joinedAtVersion: member.joinedAtVersion || version,
|
|
uuid: UUID.cast(member.userId),
|
|
};
|
|
});
|
|
}
|
|
|
|
// membersPendingProfileKey
|
|
if (groupState.membersPendingProfileKey) {
|
|
result.pendingMembersV2 = groupState.membersPendingProfileKey.map(
|
|
member => {
|
|
if (!member.member || !member.member.userId) {
|
|
throw new Error(
|
|
'applyGroupState: Member pending profile key did not have an associated userId'
|
|
);
|
|
}
|
|
|
|
if (!member.addedByUserId) {
|
|
throw new Error(
|
|
'applyGroupState: Member pending profile key did not have an addedByUserID'
|
|
);
|
|
}
|
|
|
|
if (!isValidRole(member.member.role)) {
|
|
throw new Error(
|
|
`applyGroupState: Member pending profile key had invalid role ${member.member.role}`
|
|
);
|
|
}
|
|
|
|
if (member.member.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: member.member.profileKey,
|
|
uuid: UUID.cast(member.member.userId),
|
|
});
|
|
}
|
|
|
|
return {
|
|
addedByUserId: UUID.cast(member.addedByUserId),
|
|
uuid: UUID.cast(member.member.userId),
|
|
timestamp: member.timestamp,
|
|
role: member.member.role || MEMBER_ROLE_ENUM.DEFAULT,
|
|
};
|
|
}
|
|
);
|
|
}
|
|
|
|
// membersPendingAdminApproval
|
|
if (groupState.membersPendingAdminApproval) {
|
|
result.pendingAdminApprovalV2 = groupState.membersPendingAdminApproval.map(
|
|
member => {
|
|
if (member.profileKey) {
|
|
newProfileKeys.push({
|
|
profileKey: member.profileKey,
|
|
uuid: UUID.cast(member.userId),
|
|
});
|
|
}
|
|
|
|
return {
|
|
uuid: UUID.cast(member.userId),
|
|
timestamp: member.timestamp,
|
|
};
|
|
}
|
|
);
|
|
}
|
|
|
|
// inviteLinkPassword
|
|
const { inviteLinkPassword } = groupState;
|
|
if (inviteLinkPassword) {
|
|
result.groupInviteLinkPassword = inviteLinkPassword;
|
|
} else {
|
|
result.groupInviteLinkPassword = undefined;
|
|
}
|
|
|
|
// descriptionBytes
|
|
const { descriptionBytes } = groupState;
|
|
if (descriptionBytes && descriptionBytes.content === 'descriptionText') {
|
|
result.description = descriptionBytes.descriptionText;
|
|
} else {
|
|
result.description = undefined;
|
|
}
|
|
|
|
// announcementsOnly
|
|
result.announcementsOnly = groupState.announcementsOnly;
|
|
|
|
return {
|
|
newAttributes: result,
|
|
newProfileKeys,
|
|
};
|
|
}
|
|
|
|
function isValidRole(role?: number): role is number {
|
|
const MEMBER_ROLE_ENUM = Proto.Member.Role;
|
|
|
|
return (
|
|
role === MEMBER_ROLE_ENUM.ADMINISTRATOR || role === MEMBER_ROLE_ENUM.DEFAULT
|
|
);
|
|
}
|
|
|
|
function isValidAccess(access?: number): access is number {
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
|
|
return access === ACCESS_ENUM.ADMINISTRATOR || access === ACCESS_ENUM.MEMBER;
|
|
}
|
|
|
|
function isValidLinkAccess(access?: number): access is number {
|
|
const ACCESS_ENUM = Proto.AccessControl.AccessRequired;
|
|
|
|
return (
|
|
access === ACCESS_ENUM.UNKNOWN ||
|
|
access === ACCESS_ENUM.ANY ||
|
|
access === ACCESS_ENUM.ADMINISTRATOR ||
|
|
access === ACCESS_ENUM.UNSATISFIABLE
|
|
);
|
|
}
|
|
|
|
function isValidProfileKey(buffer?: Uint8Array): boolean {
|
|
return Boolean(buffer && buffer.length === 32);
|
|
}
|
|
|
|
function normalizeTimestamp(
|
|
timestamp: number | Long | null | undefined
|
|
): number {
|
|
if (!timestamp) {
|
|
return 0;
|
|
}
|
|
|
|
if (typeof timestamp === 'number') {
|
|
return timestamp;
|
|
}
|
|
|
|
const asNumber = timestamp.toNumber();
|
|
|
|
const now = Date.now();
|
|
if (!asNumber || asNumber > now) {
|
|
return now;
|
|
}
|
|
|
|
return asNumber;
|
|
}
|
|
|
|
type DecryptedGroupChangeActions = {
|
|
version?: number;
|
|
sourceUuid?: UUIDStringType;
|
|
addMembers?: ReadonlyArray<{
|
|
added: DecryptedMember;
|
|
joinFromInviteLink: boolean;
|
|
}>;
|
|
deleteMembers?: ReadonlyArray<{
|
|
deletedUserId: string;
|
|
}>;
|
|
modifyMemberRoles?: ReadonlyArray<{
|
|
userId: string;
|
|
role: Proto.Member.Role;
|
|
}>;
|
|
modifyMemberProfileKeys?: ReadonlyArray<{
|
|
profileKey: Uint8Array;
|
|
uuid: UUIDStringType;
|
|
}>;
|
|
addPendingMembers?: ReadonlyArray<{
|
|
added: DecryptedMemberPendingProfileKey;
|
|
}>;
|
|
deletePendingMembers?: ReadonlyArray<{
|
|
deletedUserId: string;
|
|
}>;
|
|
promotePendingMembers?: ReadonlyArray<{
|
|
profileKey: Uint8Array;
|
|
uuid: UUIDStringType;
|
|
}>;
|
|
modifyTitle?: {
|
|
title?: Proto.GroupAttributeBlob;
|
|
};
|
|
modifyDisappearingMessagesTimer?: {
|
|
timer?: Proto.GroupAttributeBlob;
|
|
};
|
|
addMemberPendingAdminApprovals?: ReadonlyArray<{
|
|
added: DecryptedMemberPendingAdminApproval;
|
|
}>;
|
|
deleteMemberPendingAdminApprovals?: ReadonlyArray<{
|
|
deletedUserId: string;
|
|
}>;
|
|
promoteMemberPendingAdminApprovals?: ReadonlyArray<{
|
|
userId: string;
|
|
role: Proto.Member.Role;
|
|
}>;
|
|
modifyInviteLinkPassword?: {
|
|
inviteLinkPassword?: string;
|
|
};
|
|
modifyDescription?: {
|
|
descriptionBytes?: Proto.GroupAttributeBlob;
|
|
};
|
|
modifyAnnouncementsOnly?: {
|
|
announcementsOnly: boolean;
|
|
};
|
|
} & Pick<
|
|
Proto.GroupChange.IActions,
|
|
| 'modifyAttributesAccess'
|
|
| 'modifyMemberAccess'
|
|
| 'modifyAddFromInviteLinkAccess'
|
|
| 'modifyAvatar'
|
|
>;
|
|
|
|
function decryptGroupChange(
|
|
actions: Readonly<Proto.GroupChange.IActions>,
|
|
groupSecretParams: string,
|
|
logId: string
|
|
): DecryptedGroupChangeActions {
|
|
const result: DecryptedGroupChangeActions = {
|
|
version: dropNull(actions.version),
|
|
};
|
|
|
|
const clientZkGroupCipher = getClientZkGroupCipher(groupSecretParams);
|
|
|
|
if (actions.sourceUuid && actions.sourceUuid.length !== 0) {
|
|
try {
|
|
result.sourceUuid = UUID.cast(
|
|
normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, actions.sourceUuid),
|
|
'actions.sourceUuid'
|
|
)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt sourceUuid.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
|
|
if (!isValidUuid(result.sourceUuid)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Invalid sourceUuid. Clearing sourceUuid.`
|
|
);
|
|
result.sourceUuid = undefined;
|
|
}
|
|
} else {
|
|
throw new Error('decryptGroupChange: Missing sourceUuid');
|
|
}
|
|
|
|
// addMembers?: Array<GroupChange.Actions.AddMemberAction>;
|
|
result.addMembers = compact(
|
|
(actions.addMembers || []).map(addMember => {
|
|
strictAssert(
|
|
addMember.added,
|
|
'decryptGroupChange: AddMember was missing added field!'
|
|
);
|
|
const decrypted = decryptMember(
|
|
clientZkGroupCipher,
|
|
addMember.added,
|
|
logId
|
|
);
|
|
if (!decrypted) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
added: decrypted,
|
|
joinFromInviteLink: Boolean(addMember.joinFromInviteLink),
|
|
};
|
|
})
|
|
);
|
|
|
|
// deleteMembers?: Array<GroupChange.Actions.DeleteMemberAction>;
|
|
result.deleteMembers = compact(
|
|
(actions.deleteMembers || []).map(deleteMember => {
|
|
const { deletedUserId } = deleteMember;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(deletedUserId),
|
|
'decryptGroupChange: deleteMember.deletedUserId was missing'
|
|
);
|
|
|
|
let userId: string;
|
|
try {
|
|
userId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, deletedUserId),
|
|
'actions.deleteMembers.deletedUserId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt deleteMembers.deletedUserId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return null;
|
|
}
|
|
|
|
if (!isValidUuid(userId)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping deleteMember due to invalid userId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
return { deletedUserId: userId };
|
|
})
|
|
);
|
|
|
|
// modifyMemberRoles?: Array<GroupChange.Actions.ModifyMemberRoleAction>;
|
|
result.modifyMemberRoles = compact(
|
|
(actions.modifyMemberRoles || []).map(modifyMember => {
|
|
strictAssert(
|
|
Bytes.isNotEmpty(modifyMember.userId),
|
|
'decryptGroupChange: modifyMemberRole.userId was missing'
|
|
);
|
|
|
|
let userId: string;
|
|
try {
|
|
userId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, modifyMember.userId),
|
|
'actions.modifyMemberRoles.userId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt modifyMemberRole.userId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return null;
|
|
}
|
|
|
|
if (!isValidUuid(userId)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping modifyMemberRole due to invalid userId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
const role = dropNull(modifyMember.role);
|
|
if (!isValidRole(role)) {
|
|
throw new Error(
|
|
`decryptGroupChange: modifyMemberRole had invalid role ${modifyMember.role}`
|
|
);
|
|
}
|
|
|
|
return {
|
|
role,
|
|
userId,
|
|
};
|
|
})
|
|
);
|
|
|
|
// modifyMemberProfileKeys?: Array<
|
|
// GroupChange.Actions.ModifyMemberProfileKeyAction
|
|
// >;
|
|
result.modifyMemberProfileKeys = compact(
|
|
(actions.modifyMemberProfileKeys || []).map(modifyMemberProfileKey => {
|
|
const { presentation } = modifyMemberProfileKey;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(presentation),
|
|
'decryptGroupChange: modifyMemberProfileKey.presentation was missing'
|
|
);
|
|
|
|
const decryptedPresentation = decryptProfileKeyCredentialPresentation(
|
|
clientZkGroupCipher,
|
|
presentation
|
|
);
|
|
|
|
if (!decryptedPresentation.uuid || !decryptedPresentation.profileKey) {
|
|
throw new Error(
|
|
'decryptGroupChange: uuid or profileKey missing after modifyMemberProfileKey decryption!'
|
|
);
|
|
}
|
|
|
|
if (!isValidUuid(decryptedPresentation.uuid)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping modifyMemberProfileKey due to invalid userId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
if (!isValidProfileKey(decryptedPresentation.profileKey)) {
|
|
throw new Error(
|
|
'decryptGroupChange: modifyMemberProfileKey had invalid profileKey'
|
|
);
|
|
}
|
|
|
|
return decryptedPresentation;
|
|
})
|
|
);
|
|
|
|
// addPendingMembers?: Array<
|
|
// GroupChange.Actions.AddMemberPendingProfileKeyAction
|
|
// >;
|
|
result.addPendingMembers = compact(
|
|
(actions.addPendingMembers || []).map(addPendingMember => {
|
|
strictAssert(
|
|
addPendingMember.added,
|
|
'decryptGroupChange: addPendingMember was missing added field!'
|
|
);
|
|
const decrypted = decryptMemberPendingProfileKey(
|
|
clientZkGroupCipher,
|
|
addPendingMember.added,
|
|
logId
|
|
);
|
|
if (!decrypted) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
added: decrypted,
|
|
};
|
|
})
|
|
);
|
|
|
|
// deletePendingMembers?: Array<
|
|
// GroupChange.Actions.DeleteMemberPendingProfileKeyAction
|
|
// >;
|
|
result.deletePendingMembers = compact(
|
|
(actions.deletePendingMembers || []).map(deletePendingMember => {
|
|
const { deletedUserId } = deletePendingMember;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(deletedUserId),
|
|
'decryptGroupChange: deletePendingMembers.deletedUserId was missing'
|
|
);
|
|
let userId: string;
|
|
try {
|
|
userId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, deletedUserId),
|
|
'actions.deletePendingMembers.deletedUserId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt deletePendingMembers.deletedUserId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return null;
|
|
}
|
|
|
|
if (!isValidUuid(userId)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping deletePendingMember due to invalid deletedUserId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
deletedUserId: userId,
|
|
};
|
|
})
|
|
);
|
|
|
|
// promotePendingMembers?: Array<
|
|
// GroupChange.Actions.PromoteMemberPendingProfileKeyAction
|
|
// >;
|
|
result.promotePendingMembers = compact(
|
|
(actions.promotePendingMembers || []).map(promotePendingMember => {
|
|
const { presentation } = promotePendingMember;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(presentation),
|
|
'decryptGroupChange: promotePendingMember.presentation was missing'
|
|
);
|
|
const decryptedPresentation = decryptProfileKeyCredentialPresentation(
|
|
clientZkGroupCipher,
|
|
presentation
|
|
);
|
|
|
|
if (!decryptedPresentation.uuid || !decryptedPresentation.profileKey) {
|
|
throw new Error(
|
|
'decryptGroupChange: uuid or profileKey missing after promotePendingMember decryption!'
|
|
);
|
|
}
|
|
|
|
if (!isValidUuid(decryptedPresentation.uuid)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping modifyMemberProfileKey due to invalid userId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
if (!isValidProfileKey(decryptedPresentation.profileKey)) {
|
|
throw new Error(
|
|
'decryptGroupChange: modifyMemberProfileKey had invalid profileKey'
|
|
);
|
|
}
|
|
|
|
return decryptedPresentation;
|
|
})
|
|
);
|
|
|
|
// modifyTitle?: GroupChange.Actions.ModifyTitleAction;
|
|
if (actions.modifyTitle) {
|
|
const { title } = actions.modifyTitle;
|
|
|
|
if (Bytes.isNotEmpty(title)) {
|
|
try {
|
|
result.modifyTitle = {
|
|
title: Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, title)
|
|
),
|
|
};
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt modifyTitle.title`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
} else {
|
|
result.modifyTitle = {};
|
|
}
|
|
}
|
|
|
|
// modifyAvatar?: GroupChange.Actions.ModifyAvatarAction;
|
|
// Note: decryption happens during application of the change, on download of the avatar
|
|
result.modifyAvatar = actions.modifyAvatar;
|
|
|
|
// modifyDisappearingMessagesTimer?:
|
|
// GroupChange.Actions.ModifyDisappearingMessagesTimerAction;
|
|
if (actions.modifyDisappearingMessagesTimer) {
|
|
const { timer } = actions.modifyDisappearingMessagesTimer;
|
|
|
|
if (Bytes.isNotEmpty(timer)) {
|
|
try {
|
|
result.modifyDisappearingMessagesTimer = {
|
|
timer: Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, timer)
|
|
),
|
|
};
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt modifyDisappearingMessagesTimer.timer`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
} else {
|
|
result.modifyDisappearingMessagesTimer = {};
|
|
}
|
|
}
|
|
|
|
// modifyAttributesAccess?:
|
|
// GroupChange.Actions.ModifyAttributesAccessControlAction;
|
|
if (actions.modifyAttributesAccess) {
|
|
const attributesAccess = dropNull(
|
|
actions.modifyAttributesAccess.attributesAccess
|
|
);
|
|
strictAssert(
|
|
isValidAccess(attributesAccess),
|
|
`decryptGroupChange: modifyAttributesAccess.attributesAccess was not valid: ${actions.modifyAttributesAccess.attributesAccess}`
|
|
);
|
|
|
|
result.modifyAttributesAccess = {
|
|
attributesAccess,
|
|
};
|
|
}
|
|
|
|
// modifyMemberAccess?: GroupChange.Actions.ModifyMembersAccessControlAction;
|
|
if (actions.modifyMemberAccess) {
|
|
const membersAccess = dropNull(actions.modifyMemberAccess.membersAccess);
|
|
strictAssert(
|
|
isValidAccess(membersAccess),
|
|
`decryptGroupChange: modifyMemberAccess.membersAccess was not valid: ${actions.modifyMemberAccess.membersAccess}`
|
|
);
|
|
|
|
result.modifyMemberAccess = {
|
|
membersAccess,
|
|
};
|
|
}
|
|
|
|
// modifyAddFromInviteLinkAccess?:
|
|
// GroupChange.Actions.ModifyAddFromInviteLinkAccessControlAction;
|
|
if (actions.modifyAddFromInviteLinkAccess) {
|
|
const addFromInviteLinkAccess = dropNull(
|
|
actions.modifyAddFromInviteLinkAccess.addFromInviteLinkAccess
|
|
);
|
|
strictAssert(
|
|
isValidLinkAccess(addFromInviteLinkAccess),
|
|
`decryptGroupChange: modifyAddFromInviteLinkAccess.addFromInviteLinkAccess was not valid: ${actions.modifyAddFromInviteLinkAccess.addFromInviteLinkAccess}`
|
|
);
|
|
|
|
result.modifyAddFromInviteLinkAccess = {
|
|
addFromInviteLinkAccess,
|
|
};
|
|
}
|
|
|
|
// addMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.AddMemberPendingAdminApprovalAction
|
|
// >;
|
|
result.addMemberPendingAdminApprovals = compact(
|
|
(actions.addMemberPendingAdminApprovals || []).map(
|
|
addPendingAdminApproval => {
|
|
const { added } = addPendingAdminApproval;
|
|
strictAssert(
|
|
added,
|
|
'decryptGroupChange: addPendingAdminApproval was missing added field!'
|
|
);
|
|
|
|
const decrypted = decryptMemberPendingAdminApproval(
|
|
clientZkGroupCipher,
|
|
added,
|
|
logId
|
|
);
|
|
if (!decrypted) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt addPendingAdminApproval.added. Dropping member.`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
return { added: decrypted };
|
|
}
|
|
)
|
|
);
|
|
|
|
// deleteMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.DeleteMemberPendingAdminApprovalAction
|
|
// >;
|
|
result.deleteMemberPendingAdminApprovals = compact(
|
|
(actions.deleteMemberPendingAdminApprovals || []).map(
|
|
deletePendingApproval => {
|
|
const { deletedUserId } = deletePendingApproval;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(deletedUserId),
|
|
'decryptGroupChange: deletePendingApproval.deletedUserId was missing'
|
|
);
|
|
|
|
let userId: string;
|
|
try {
|
|
userId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, deletedUserId),
|
|
'actions.deleteMemberPendingAdminApprovals'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt deletePendingApproval.deletedUserId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return null;
|
|
}
|
|
if (!isValidUuid(userId)) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Dropping deletePendingApproval due to invalid deletedUserId`
|
|
);
|
|
|
|
return null;
|
|
}
|
|
|
|
return { deletedUserId: userId };
|
|
}
|
|
)
|
|
);
|
|
|
|
// promoteMemberPendingAdminApprovals?: Array<
|
|
// GroupChange.Actions.PromoteMemberPendingAdminApprovalAction
|
|
// >;
|
|
result.promoteMemberPendingAdminApprovals = compact(
|
|
(actions.promoteMemberPendingAdminApprovals || []).map(
|
|
promoteAdminApproval => {
|
|
const { userId } = promoteAdminApproval;
|
|
strictAssert(
|
|
Bytes.isNotEmpty(userId),
|
|
'decryptGroupChange: promoteAdminApproval.userId was missing'
|
|
);
|
|
|
|
let decryptedUserId: string;
|
|
try {
|
|
decryptedUserId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, userId),
|
|
'actions.promoteMemberPendingAdminApprovals.userId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt promoteAdminApproval.userId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return null;
|
|
}
|
|
|
|
const role = dropNull(promoteAdminApproval.role);
|
|
if (!isValidRole(role)) {
|
|
throw new Error(
|
|
`decryptGroupChange: promoteAdminApproval had invalid role ${promoteAdminApproval.role}`
|
|
);
|
|
}
|
|
|
|
return { role, userId: decryptedUserId };
|
|
}
|
|
)
|
|
);
|
|
|
|
// modifyInviteLinkPassword?: GroupChange.Actions.ModifyInviteLinkPasswordAction;
|
|
if (actions.modifyInviteLinkPassword) {
|
|
const { inviteLinkPassword: password } = actions.modifyInviteLinkPassword;
|
|
if (Bytes.isNotEmpty(password)) {
|
|
result.modifyInviteLinkPassword = {
|
|
inviteLinkPassword: Bytes.toBase64(password),
|
|
};
|
|
} else {
|
|
result.modifyInviteLinkPassword = {};
|
|
}
|
|
}
|
|
|
|
// modifyDescription?: GroupChange.Actions.ModifyDescriptionAction;
|
|
if (actions.modifyDescription) {
|
|
const { descriptionBytes } = actions.modifyDescription;
|
|
if (Bytes.isNotEmpty(descriptionBytes)) {
|
|
try {
|
|
result.modifyDescription = {
|
|
descriptionBytes: Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, descriptionBytes)
|
|
),
|
|
};
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupChange/${logId}: Unable to decrypt modifyDescription.descriptionBytes`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
} else {
|
|
result.modifyDescription = {};
|
|
}
|
|
}
|
|
|
|
// modifyAnnouncementsOnly
|
|
if (actions.modifyAnnouncementsOnly) {
|
|
const { announcementsOnly } = actions.modifyAnnouncementsOnly;
|
|
result.modifyAnnouncementsOnly = {
|
|
announcementsOnly: Boolean(announcementsOnly),
|
|
};
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
export function decryptGroupTitle(
|
|
title: Uint8Array | undefined,
|
|
secretParams: string
|
|
): string | undefined {
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
|
|
if (!title || !title.length) {
|
|
return undefined;
|
|
}
|
|
const blob = Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, title)
|
|
);
|
|
|
|
if (blob && blob.content === 'title') {
|
|
return blob.title;
|
|
}
|
|
|
|
return undefined;
|
|
}
|
|
|
|
export function decryptGroupDescription(
|
|
description: Uint8Array | undefined,
|
|
secretParams: string
|
|
): string | undefined {
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
|
|
if (!description || !description.length) {
|
|
return undefined;
|
|
}
|
|
|
|
const blob = Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, description)
|
|
);
|
|
|
|
if (blob && blob.content === 'descriptionText') {
|
|
return blob.descriptionText;
|
|
}
|
|
|
|
return undefined;
|
|
}
|
|
|
|
type DecryptedGroupState = {
|
|
title?: Proto.GroupAttributeBlob;
|
|
disappearingMessagesTimer?: Proto.GroupAttributeBlob;
|
|
accessControl?: {
|
|
attributes: number;
|
|
members: number;
|
|
addFromInviteLink: number;
|
|
};
|
|
version?: number;
|
|
members?: ReadonlyArray<DecryptedMember>;
|
|
membersPendingProfileKey?: ReadonlyArray<DecryptedMemberPendingProfileKey>;
|
|
membersPendingAdminApproval?: ReadonlyArray<DecryptedMemberPendingAdminApproval>;
|
|
inviteLinkPassword?: string;
|
|
descriptionBytes?: Proto.GroupAttributeBlob;
|
|
avatar?: string;
|
|
announcementsOnly?: boolean;
|
|
};
|
|
|
|
function decryptGroupState(
|
|
groupState: Readonly<Proto.IGroup>,
|
|
groupSecretParams: string,
|
|
logId: string
|
|
): DecryptedGroupState {
|
|
const clientZkGroupCipher = getClientZkGroupCipher(groupSecretParams);
|
|
const result: DecryptedGroupState = {};
|
|
|
|
// title
|
|
if (Bytes.isNotEmpty(groupState.title)) {
|
|
try {
|
|
result.title = Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, groupState.title)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupState/${logId}: Unable to decrypt title. Clearing it.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
}
|
|
|
|
// avatar
|
|
// Note: decryption happens during application of the change, on download of the avatar
|
|
|
|
// disappearing message timer
|
|
if (
|
|
groupState.disappearingMessagesTimer &&
|
|
groupState.disappearingMessagesTimer.length
|
|
) {
|
|
try {
|
|
result.disappearingMessagesTimer = Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(
|
|
clientZkGroupCipher,
|
|
groupState.disappearingMessagesTimer
|
|
)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupState/${logId}: Unable to decrypt disappearing message timer. Clearing it.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
}
|
|
|
|
// accessControl
|
|
{
|
|
const { accessControl } = groupState;
|
|
strictAssert(accessControl, 'No accessControl field found');
|
|
|
|
const attributes = dropNull(accessControl.attributes);
|
|
const members = dropNull(accessControl.members);
|
|
const addFromInviteLink = dropNull(accessControl.addFromInviteLink);
|
|
|
|
strictAssert(
|
|
isValidAccess(attributes),
|
|
`decryptGroupState: Access control for attributes is invalid: ${attributes}`
|
|
);
|
|
strictAssert(
|
|
isValidAccess(members),
|
|
`decryptGroupState: Access control for members is invalid: ${members}`
|
|
);
|
|
strictAssert(
|
|
isValidLinkAccess(addFromInviteLink),
|
|
`decryptGroupState: Access control for invite link is invalid: ${addFromInviteLink}`
|
|
);
|
|
|
|
result.accessControl = {
|
|
attributes,
|
|
members,
|
|
addFromInviteLink,
|
|
};
|
|
}
|
|
|
|
// version
|
|
strictAssert(
|
|
isNumber(groupState.version),
|
|
`decryptGroupState: Expected version to be a number; it was ${groupState.version}`
|
|
);
|
|
result.version = groupState.version;
|
|
|
|
// members
|
|
if (groupState.members) {
|
|
result.members = compact(
|
|
groupState.members.map((member: Proto.IMember) =>
|
|
decryptMember(clientZkGroupCipher, member, logId)
|
|
)
|
|
);
|
|
}
|
|
|
|
// membersPendingProfileKey
|
|
if (groupState.membersPendingProfileKey) {
|
|
result.membersPendingProfileKey = compact(
|
|
groupState.membersPendingProfileKey.map(
|
|
(member: Proto.IMemberPendingProfileKey) =>
|
|
decryptMemberPendingProfileKey(clientZkGroupCipher, member, logId)
|
|
)
|
|
);
|
|
}
|
|
|
|
// membersPendingAdminApproval
|
|
if (groupState.membersPendingAdminApproval) {
|
|
result.membersPendingAdminApproval = compact(
|
|
groupState.membersPendingAdminApproval.map(
|
|
(member: Proto.IMemberPendingAdminApproval) =>
|
|
decryptMemberPendingAdminApproval(clientZkGroupCipher, member, logId)
|
|
)
|
|
);
|
|
}
|
|
|
|
// inviteLinkPassword
|
|
if (Bytes.isNotEmpty(groupState.inviteLinkPassword)) {
|
|
result.inviteLinkPassword = Bytes.toBase64(groupState.inviteLinkPassword);
|
|
}
|
|
|
|
// descriptionBytes
|
|
if (Bytes.isNotEmpty(groupState.descriptionBytes)) {
|
|
try {
|
|
result.descriptionBytes = Proto.GroupAttributeBlob.decode(
|
|
decryptGroupBlob(clientZkGroupCipher, groupState.descriptionBytes)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptGroupState/${logId}: Unable to decrypt descriptionBytes. Clearing it.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
}
|
|
|
|
// announcementsOnly
|
|
const { announcementsOnly } = groupState;
|
|
result.announcementsOnly = Boolean(announcementsOnly);
|
|
|
|
result.avatar = dropNull(groupState.avatar);
|
|
|
|
return result;
|
|
}
|
|
|
|
type DecryptedMember = Readonly<{
|
|
userId: string;
|
|
profileKey: Uint8Array;
|
|
role: Proto.Member.Role;
|
|
joinedAtVersion?: number;
|
|
}>;
|
|
|
|
function decryptMember(
|
|
clientZkGroupCipher: ClientZkGroupCipher,
|
|
member: Readonly<Proto.IMember>,
|
|
logId: string
|
|
): DecryptedMember | undefined {
|
|
// userId
|
|
strictAssert(
|
|
Bytes.isNotEmpty(member.userId),
|
|
'decryptMember: Member had missing userId'
|
|
);
|
|
|
|
let userId: string;
|
|
try {
|
|
userId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, member.userId),
|
|
'decryptMember.userId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMember/${logId}: Unable to decrypt member userid. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return undefined;
|
|
}
|
|
|
|
if (!isValidUuid(userId)) {
|
|
log.warn(`decryptMember/${logId}: Dropping member due to invalid userId`);
|
|
|
|
return undefined;
|
|
}
|
|
|
|
// profileKey
|
|
strictAssert(
|
|
Bytes.isNotEmpty(member.profileKey),
|
|
'decryptMember: Member had missing profileKey'
|
|
);
|
|
const profileKey = decryptProfileKey(
|
|
clientZkGroupCipher,
|
|
member.profileKey,
|
|
UUID.cast(userId)
|
|
);
|
|
|
|
if (!isValidProfileKey(profileKey)) {
|
|
throw new Error('decryptMember: Member had invalid profileKey');
|
|
}
|
|
|
|
// role
|
|
const role = dropNull(member.role);
|
|
|
|
if (!isValidRole(role)) {
|
|
throw new Error(`decryptMember: Member had invalid role ${member.role}`);
|
|
}
|
|
|
|
return {
|
|
userId,
|
|
profileKey,
|
|
role,
|
|
joinedAtVersion: dropNull(member.joinedAtVersion),
|
|
};
|
|
}
|
|
|
|
type DecryptedMemberPendingProfileKey = {
|
|
addedByUserId: string;
|
|
timestamp: number;
|
|
member: {
|
|
userId: string;
|
|
profileKey?: Uint8Array;
|
|
role?: Proto.Member.Role;
|
|
};
|
|
};
|
|
|
|
function decryptMemberPendingProfileKey(
|
|
clientZkGroupCipher: ClientZkGroupCipher,
|
|
member: Readonly<Proto.IMemberPendingProfileKey>,
|
|
logId: string
|
|
): DecryptedMemberPendingProfileKey | undefined {
|
|
// addedByUserId
|
|
strictAssert(
|
|
Bytes.isNotEmpty(member.addedByUserId),
|
|
'decryptMemberPendingProfileKey: Member had missing addedByUserId'
|
|
);
|
|
|
|
let addedByUserId: string;
|
|
try {
|
|
addedByUserId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, member.addedByUserId),
|
|
'decryptMemberPendingProfileKey.addedByUserId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member addedByUserId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return undefined;
|
|
}
|
|
|
|
if (!isValidUuid(addedByUserId)) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Dropping pending member due to invalid addedByUserId`
|
|
);
|
|
return undefined;
|
|
}
|
|
|
|
// timestamp
|
|
const timestamp = normalizeTimestamp(member.timestamp);
|
|
|
|
if (!member.member) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Dropping pending member due to missing member details`
|
|
);
|
|
|
|
return undefined;
|
|
}
|
|
|
|
const { userId, profileKey } = member.member;
|
|
|
|
// userId
|
|
strictAssert(
|
|
Bytes.isNotEmpty(userId),
|
|
'decryptMemberPendingProfileKey: Member had missing member.userId'
|
|
);
|
|
|
|
let decryptedUserId: string;
|
|
try {
|
|
decryptedUserId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, userId),
|
|
'decryptMemberPendingProfileKey.member.userId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member userId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return undefined;
|
|
}
|
|
|
|
if (!isValidUuid(decryptedUserId)) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Dropping pending member due to invalid member.userId`
|
|
);
|
|
|
|
return undefined;
|
|
}
|
|
|
|
// profileKey
|
|
let decryptedProfileKey: Uint8Array | undefined;
|
|
if (Bytes.isNotEmpty(profileKey)) {
|
|
try {
|
|
decryptedProfileKey = decryptProfileKey(
|
|
clientZkGroupCipher,
|
|
profileKey,
|
|
UUID.cast(decryptedUserId)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Unable to decrypt pending member profileKey. Dropping profileKey.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
|
|
if (!isValidProfileKey(decryptedProfileKey)) {
|
|
log.warn(
|
|
`decryptMemberPendingProfileKey/${logId}: Dropping profileKey, since it was invalid`
|
|
);
|
|
decryptedProfileKey = undefined;
|
|
}
|
|
}
|
|
|
|
// role
|
|
const role = dropNull(member.member.role);
|
|
|
|
strictAssert(
|
|
isValidRole(role),
|
|
`decryptMemberPendingProfileKey: Member had invalid role ${role}`
|
|
);
|
|
|
|
return {
|
|
addedByUserId,
|
|
timestamp,
|
|
member: {
|
|
userId: decryptedUserId,
|
|
profileKey: decryptedProfileKey,
|
|
role,
|
|
},
|
|
};
|
|
}
|
|
|
|
type DecryptedMemberPendingAdminApproval = {
|
|
userId: string;
|
|
profileKey?: Uint8Array;
|
|
timestamp: number;
|
|
};
|
|
|
|
function decryptMemberPendingAdminApproval(
|
|
clientZkGroupCipher: ClientZkGroupCipher,
|
|
member: Readonly<Proto.IMemberPendingAdminApproval>,
|
|
logId: string
|
|
): DecryptedMemberPendingAdminApproval | undefined {
|
|
// timestamp
|
|
const timestamp = normalizeTimestamp(member.timestamp);
|
|
|
|
const { userId, profileKey } = member;
|
|
|
|
// userId
|
|
strictAssert(
|
|
Bytes.isNotEmpty(userId),
|
|
'decryptMemberPendingAdminApproval: Missing userId'
|
|
);
|
|
|
|
let decryptedUserId: string;
|
|
try {
|
|
decryptedUserId = normalizeUuid(
|
|
decryptUuid(clientZkGroupCipher, userId),
|
|
'decryptMemberPendingAdminApproval.userId'
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMemberPendingAdminApproval/${logId}: Unable to decrypt pending member userId. Dropping member.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
return undefined;
|
|
}
|
|
|
|
if (!isValidUuid(decryptedUserId)) {
|
|
log.warn(
|
|
`decryptMemberPendingAdminApproval/${logId}: Invalid userId. Dropping member.`
|
|
);
|
|
|
|
return undefined;
|
|
}
|
|
|
|
// profileKey
|
|
let decryptedProfileKey: Uint8Array | undefined;
|
|
if (Bytes.isNotEmpty(profileKey)) {
|
|
try {
|
|
decryptedProfileKey = decryptProfileKey(
|
|
clientZkGroupCipher,
|
|
profileKey,
|
|
UUID.cast(decryptedUserId)
|
|
);
|
|
} catch (error) {
|
|
log.warn(
|
|
`decryptMemberPendingAdminApproval/${logId}: Unable to decrypt profileKey. Dropping profileKey.`,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
|
|
if (!isValidProfileKey(decryptedProfileKey)) {
|
|
log.warn(
|
|
`decryptMemberPendingAdminApproval/${logId}: Dropping profileKey, since it was invalid`
|
|
);
|
|
|
|
decryptedProfileKey = undefined;
|
|
}
|
|
}
|
|
|
|
return {
|
|
timestamp,
|
|
userId: decryptedUserId,
|
|
profileKey: decryptedProfileKey,
|
|
};
|
|
}
|
|
|
|
export function getMembershipList(
|
|
conversationId: string
|
|
): Array<{ uuid: UUIDStringType; uuidCiphertext: Uint8Array }> {
|
|
const conversation = window.ConversationController.get(conversationId);
|
|
if (!conversation) {
|
|
throw new Error('getMembershipList: cannot find conversation');
|
|
}
|
|
|
|
const secretParams = conversation.get('secretParams');
|
|
if (!secretParams) {
|
|
throw new Error('getMembershipList: no secretParams');
|
|
}
|
|
|
|
const clientZkGroupCipher = getClientZkGroupCipher(secretParams);
|
|
|
|
return conversation.getMembers().map(member => {
|
|
const uuid = member.get('uuid');
|
|
if (!uuid) {
|
|
throw new Error('getMembershipList: member has no UUID');
|
|
}
|
|
|
|
const uuidCiphertext = encryptUuid(clientZkGroupCipher, uuid);
|
|
return { uuid, uuidCiphertext };
|
|
});
|
|
}
|