@whiskeysockets/baileys
Version:
A WebSockets library for interacting with WhatsApp Web
30 lines • 1.73 kB
JavaScript
import * as keyhelper from './keyhelper.js';
import { SenderKeyDistributionMessage } from './sender-key-distribution-message.js';
import { SenderKeyName } from './sender-key-name.js';
import { SenderKeyRecord } from './sender-key-record.js';
export class GroupSessionBuilder {
constructor(senderKeyStore) {
this.senderKeyStore = senderKeyStore;
}
async process(senderKeyName, senderKeyDistributionMessage) {
const senderKeyRecord = await this.senderKeyStore.loadSenderKey(senderKeyName);
senderKeyRecord.addSenderKeyState(senderKeyDistributionMessage.getId(), senderKeyDistributionMessage.getIteration(), senderKeyDistributionMessage.getChainKey(), senderKeyDistributionMessage.getSignatureKey());
await this.senderKeyStore.storeSenderKey(senderKeyName, senderKeyRecord);
}
async create(senderKeyName) {
const senderKeyRecord = await this.senderKeyStore.loadSenderKey(senderKeyName);
if (senderKeyRecord.isEmpty()) {
const keyId = keyhelper.generateSenderKeyId();
const senderKey = keyhelper.generateSenderKey();
const signingKey = keyhelper.generateSenderSigningKey();
senderKeyRecord.setSenderKeyState(keyId, 0, senderKey, signingKey);
await this.senderKeyStore.storeSenderKey(senderKeyName, senderKeyRecord);
}
const state = senderKeyRecord.getSenderKeyState();
if (!state) {
throw new Error('No session state available');
}
return new SenderKeyDistributionMessage(state.getKeyId(), state.getSenderChainKey().getIteration(), state.getSenderChainKey().getSeed(), state.getSigningKeyPublic());
}
}
//# sourceMappingURL=group-session-builder.js.map