/
login.js
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/
login.js
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// @flow
import type { Account as OlmAccount } from '@commapp/olm';
import { getRustAPI } from 'rust-node-addon';
import { getOneTimeKeyValuesFromBlob } from 'lib/shared/crypto-utils.js';
import { getCommConfig } from 'lib/utils/comm-config.js';
import { ServerError } from 'lib/utils/errors.js';
import { values } from 'lib/utils/objects.js';
import {
saveIdentityInfo,
fetchIdentityInfo,
type IdentityInfo,
} from './identity.js';
import { getMessageForException } from '../responders/utils.js';
import { fetchCallUpdateOlmAccount } from '../updaters/olm-account-updater.js';
import { validateAccountPrekey } from '../utils/olm-utils.js';
type UserCredentials = { +username: string, +password: string };
export type AccountKeysSet = {
+identityKeys: string,
+prekey: string,
+prekeySignature: string,
+oneTimeKeys: $ReadOnlyArray<string>,
};
function retrieveAccountKeysSet(account: OlmAccount): AccountKeysSet {
const identityKeys = account.identity_keys();
validateAccountPrekey(account);
const prekeyMap = JSON.parse(account.prekey()).curve25519;
const [prekey] = values(prekeyMap);
const prekeySignature = account.prekey_signature();
if (!prekeySignature || !prekey) {
throw new ServerError('invalid_prekey');
}
let oneTimeKeys = getOneTimeKeyValuesFromBlob(account.one_time_keys());
if (oneTimeKeys.length < 10) {
account.generate_one_time_keys(10);
oneTimeKeys = getOneTimeKeyValuesFromBlob(account.one_time_keys());
}
return { identityKeys, oneTimeKeys, prekey, prekeySignature };
}
// After register or login is successful
function markKeysAsPublished(account: OlmAccount) {
account.mark_prekey_as_published();
account.mark_keys_as_published();
}
async function verifyUserLoggedIn(): Promise<IdentityInfo> {
const result = await fetchIdentityInfo();
if (result) {
return result;
}
const identityInfo = await registerOrLogin();
await saveIdentityInfo(identityInfo);
return identityInfo;
}
async function registerOrLogin(): Promise<IdentityInfo> {
const rustAPIPromise = getRustAPI();
const userInfo = await getCommConfig<UserCredentials>({
folder: 'secrets',
name: 'user_credentials',
});
if (!userInfo) {
throw new ServerError('missing_user_credentials');
}
const {
identityKeys: notificationsIdentityKeys,
prekey: notificationsPrekey,
prekeySignature: notificationsPrekeySignature,
oneTimeKeys: notificationsOneTimeKeys,
} = await fetchCallUpdateOlmAccount('notifications', retrieveAccountKeysSet);
const contentAccountCallback = async (account: OlmAccount) => {
const {
identityKeys: contentIdentityKeys,
oneTimeKeys,
prekey,
prekeySignature,
} = await retrieveAccountKeysSet(account);
const identityKeysBlob = {
primaryIdentityPublicKeys: JSON.parse(contentIdentityKeys),
notificationIdentityPublicKeys: JSON.parse(notificationsIdentityKeys),
};
const identityKeysBlobPayload = JSON.stringify(identityKeysBlob);
const signedIdentityKeysBlob = {
payload: identityKeysBlobPayload,
signature: account.sign(identityKeysBlobPayload),
};
return {
signedIdentityKeysBlob,
oneTimeKeys,
prekey,
prekeySignature,
};
};
const [
rustAPI,
{
signedIdentityKeysBlob,
prekey: contentPrekey,
prekeySignature: contentPrekeySignature,
oneTimeKeys: contentOneTimeKeys,
},
] = await Promise.all([
rustAPIPromise,
fetchCallUpdateOlmAccount('content', contentAccountCallback),
]);
try {
const identity_info = await rustAPI.loginUser(
userInfo.username,
userInfo.password,
signedIdentityKeysBlob,
contentPrekey,
contentPrekeySignature,
notificationsPrekey,
notificationsPrekeySignature,
contentOneTimeKeys,
notificationsOneTimeKeys,
);
await Promise.all([
fetchCallUpdateOlmAccount('content', markKeysAsPublished),
fetchCallUpdateOlmAccount('notifications', markKeysAsPublished),
]);
return identity_info;
} catch (e) {
console.warn('Failed to login user: ' + getMessageForException(e));
try {
const identity_info = await rustAPI.registerUser(
userInfo.username,
userInfo.password,
signedIdentityKeysBlob,
contentPrekey,
contentPrekeySignature,
notificationsPrekey,
notificationsPrekeySignature,
contentOneTimeKeys,
notificationsOneTimeKeys,
);
await Promise.all([
fetchCallUpdateOlmAccount('content', markKeysAsPublished),
fetchCallUpdateOlmAccount('notifications', markKeysAsPublished),
]);
return identity_info;
} catch (err) {
console.warn('Failed to register user: ' + getMessageForException(err));
throw new ServerError('identity_auth_failed');
}
}
}
export { verifyUserLoggedIn };