79 lines
2.2 KiB
TypeScript
79 lines
2.2 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { ConversationType } from '../state/ducks/conversations';
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import type { ProfileRequestDataType } from '../textsecure/WebAPI';
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import { assertDev } from './assert';
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import * as Bytes from '../Bytes';
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import {
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PaddedLengths,
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encryptProfile,
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encryptProfileItemWithPadding,
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} from '../Crypto';
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import type { AvatarUpdateType } from '../types/Avatar';
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import { deriveProfileKeyCommitment, deriveProfileKeyVersion } from './zkgroup';
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export async function encryptProfileData(
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conversation: ConversationType,
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{ oldAvatar, newAvatar }: AvatarUpdateType
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): Promise<[ProfileRequestDataType, Uint8Array | undefined]> {
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const {
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aboutEmoji,
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aboutText,
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badges,
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familyName,
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firstName,
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profileKey,
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uuid,
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} = conversation;
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assertDev(profileKey, 'profileKey');
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assertDev(uuid, 'uuid');
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const keyBuffer = Bytes.fromBase64(profileKey);
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const fullName = [firstName, familyName].filter(Boolean).join('\0');
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const bytesName = encryptProfileItemWithPadding(
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Bytes.fromString(fullName),
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keyBuffer,
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PaddedLengths.Name
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);
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const bytesAbout = aboutText
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? encryptProfileItemWithPadding(
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Bytes.fromString(aboutText),
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keyBuffer,
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PaddedLengths.About
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)
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: null;
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const bytesAboutEmoji = aboutEmoji
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? encryptProfileItemWithPadding(
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Bytes.fromString(aboutEmoji),
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keyBuffer,
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PaddedLengths.AboutEmoji
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)
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: null;
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const encryptedAvatarData = newAvatar
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? encryptProfile(newAvatar, keyBuffer)
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: undefined;
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const sameAvatar = Bytes.areEqual(oldAvatar, newAvatar);
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const profileData = {
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version: deriveProfileKeyVersion(profileKey, uuid),
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name: Bytes.toBase64(bytesName),
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about: bytesAbout ? Bytes.toBase64(bytesAbout) : null,
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aboutEmoji: bytesAboutEmoji ? Bytes.toBase64(bytesAboutEmoji) : null,
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badgeIds: (badges || []).map(({ id }) => id),
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paymentAddress: window.storage.get('paymentAddress') || null,
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avatar: Boolean(newAvatar),
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sameAvatar,
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commitment: deriveProfileKeyCommitment(profileKey, uuid),
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};
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return [profileData, encryptedAvatarData];
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}
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