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session-desktop/ts/session/messages/outgoing/content/data/groupv2/ClosedGroupV2NewMessage.ts

88 lines
2.9 KiB
TypeScript

import { SignalService } from '../../../../../../protobuf';
import {
ClosedGroupV2Message,
ClosedGroupV2MessageParams,
} from './ClosedGroupV2Message';
import { fromHexToArray } from '../../../../../utils/String';
import { ECKeyPair } from '../../../../../../receiver/closedGroupsV2';
export interface ClosedGroupV2NewMessageParams
extends ClosedGroupV2MessageParams {
name: string;
members: Array<string>;
admins: Array<string>;
keypair: ECKeyPair;
}
export class ClosedGroupV2NewMessage extends ClosedGroupV2Message {
private readonly name: string;
private readonly members: Array<string>;
private readonly admins: Array<string>;
private readonly keypair: ECKeyPair;
constructor(params: ClosedGroupV2NewMessageParams) {
super({
timestamp: params.timestamp,
identifier: params.identifier,
groupId: params.groupId,
expireTimer: params.expireTimer,
});
this.name = params.name;
this.members = params.members;
this.admins = params.admins;
this.keypair = params.keypair;
if (!params.admins || params.admins.length === 0) {
throw new Error('Admins must be set');
}
if (!params.members || params.members.length === 0) {
throw new Error('Members must be set');
}
// Assert that every admins is a member
if (!ClosedGroupV2Message.areAdminsMembers(params.admins, params.members)) {
throw new Error('Admins must all be members of the group');
}
if (!params.name || params.name.length === 0) {
throw new Error('Name must cannot be empty');
}
if (
params.keypair.privateKeyData.byteLength === 0 ||
params.keypair.publicKeyData.byteLength === 0
) {
throw new Error('PrivKey or pubkey is empty and cannot be');
}
}
public dataProto(): SignalService.DataMessage {
const dataMessage = new SignalService.DataMessage();
dataMessage.expireTimer = this.expireTimer;
dataMessage.closedGroupUpdateV2 = new SignalService.ClosedGroupUpdateV2();
dataMessage.closedGroupUpdateV2.type =
SignalService.ClosedGroupUpdateV2.Type.NEW;
dataMessage.closedGroupUpdateV2.publicKey = fromHexToArray(
this.groupId.key
);
dataMessage.closedGroupUpdateV2.name = this.name;
dataMessage.closedGroupUpdateV2.admins = this.admins.map(fromHexToArray);
dataMessage.closedGroupUpdateV2.members = this.members.map(fromHexToArray);
try {
dataMessage.closedGroupUpdateV2.encryptionKeyPair = new SignalService.ClosedGroupUpdateV2.KeyPair();
dataMessage.closedGroupUpdateV2.encryptionKeyPair.privateKey = new Uint8Array(
this.keypair.privateKeyData
);
dataMessage.closedGroupUpdateV2.encryptionKeyPair.publicKey = new Uint8Array(
this.keypair.publicKeyData
);
} catch (e) {
window.log.error('Failed to add encryptionKeyPair to v2 group:', e);
throw new Error('Failed to add encryptionKeyPair to v2 group:');
}
return dataMessage;
}
}