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66 lines
2.0 KiB
TypeScript
66 lines
2.0 KiB
TypeScript
import _ from 'lodash';
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import { UserUtils } from '.';
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import { getItemById } from '../../../js/modules/data';
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import { KeyPair } from '../../../libtextsecure/libsignal-protocol';
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import { PubKey } from '../types';
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import { toHex } from './String';
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export async function isUs(
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pubKey: string | PubKey | undefined
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): Promise<boolean> {
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if (!pubKey) {
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throw new Error('pubKey is not set');
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}
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const ourNumber = await UserUtils.getCurrentDevicePubKey();
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if (!ourNumber) {
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throw new Error('ourNumber is not set');
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}
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const pubKeyStr = pubKey instanceof PubKey ? pubKey.key : pubKey;
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return pubKeyStr === ourNumber;
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}
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export type HexKeyPair = {
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pubKey: string;
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privKey: string;
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};
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/**
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* Returns the public key of this current device as a string
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*/
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export async function getCurrentDevicePubKey(): Promise<string | undefined> {
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return window.textsecure.storage.user.getNumber();
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}
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export async function getOurNumber(): Promise<PubKey> {
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const ourNumber = await UserUtils.getCurrentDevicePubKey();
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if (!ourNumber) {
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throw new Error('ourNumber is not set');
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}
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return PubKey.cast(ourNumber);
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}
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/**
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* This return the stored x25519 identity keypair for the current logged in user
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*/
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export async function getIdentityKeyPair(): Promise<KeyPair | undefined> {
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const item = await getItemById('identityKey');
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return item?.value;
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}
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export async function getUserED25519KeyPair(): Promise<HexKeyPair | undefined> {
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// 'identityKey' keeps the ed25519KeyPair under a ed25519KeyPair field.
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// it is only set if the user migrated to the ed25519 way of generating a key
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const item = await getItemById('identityKey');
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const ed25519KeyPair = item?.value?.ed25519KeyPair;
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if (ed25519KeyPair?.publicKey && ed25519KeyPair?.privateKey) {
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const pubKeyAsArray = _.map(ed25519KeyPair.publicKey, a => a);
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const privKeyAsArray = _.map(ed25519KeyPair.privateKey, a => a);
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return {
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pubKey: toHex(new Uint8Array(pubKeyAsArray)),
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privKey: toHex(new Uint8Array(privKeyAsArray)),
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};
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}
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return undefined;
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}
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