signal-desktop/ts/jobs/helpers/sendGroupUpdate.ts
2023-01-20 11:42:55 -08:00

148 lines
4.3 KiB
TypeScript

// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { getSendOptionsForRecipients } from '../../util/getSendOptions';
import { isGroupV2 } from '../../util/whatTypeOfConversation';
import { SignalService as Proto } from '../../protobuf';
import {
handleMultipleSendErrors,
maybeExpandErrors,
} from './handleMultipleSendErrors';
import { wrapWithSyncMessageSend } from '../../util/wrapWithSyncMessageSend';
import * as Bytes from '../../Bytes';
import { strictAssert } from '../../util/assert';
import { ourProfileKeyService } from '../../services/ourProfileKey';
import type { ConversationModel } from '../../models/conversations';
import type { GroupV2InfoType } from '../../textsecure/SendMessage';
import type {
GroupUpdateJobData,
ConversationQueueJobBundle,
} from '../conversationJobQueue';
import { getUntrustedConversationUuids } from './getUntrustedConversationUuids';
// Note: because we don't have a recipient map, if some sends fail, we will resend this
// message to folks that got it on the first go-round. This is okay, because receivers
// will drop this as an empty message if they already know about its revision.
export async function sendGroupUpdate(
conversation: ConversationModel,
{
isFinalAttempt,
shouldContinue,
timeRemaining,
timestamp,
log,
}: ConversationQueueJobBundle,
data: GroupUpdateJobData
): Promise<void> {
const logId = `sendGroupUpdate/${conversation.idForLogging()}`;
if (!shouldContinue) {
log.info(`${logId}: Ran out of time. Giving up on sending group update`);
return;
}
if (!isGroupV2(conversation.attributes)) {
log.error(
`${logId}: Conversation is not GroupV2, cannot send group update!`
);
return;
}
log.info(`${logId}: starting with timestamp ${timestamp}`);
const { groupChangeBase64, recipients: jobRecipients, revision } = data;
const recipients = jobRecipients.filter(id => {
const recipient = window.ConversationController.get(id);
if (!recipient) {
return false;
}
if (recipient.isUnregistered()) {
log.warn(
`${logId}: dropping unregistered recipient ${recipient.idForLogging()}`
);
return false;
}
if (recipient.isBlocked()) {
log.warn(
`${logId}: dropping blocked recipient ${recipient.idForLogging()}`
);
return false;
}
return true;
});
const untrustedUuids = getUntrustedConversationUuids(recipients);
if (untrustedUuids.length) {
window.reduxActions.conversations.conversationStoppedByMissingVerification({
conversationId: conversation.id,
untrustedUuids,
});
throw new Error(
`Group update blocked because ${untrustedUuids.length} conversation(s) were untrusted. Failing this attempt.`
);
}
const sendOptions = await getSendOptionsForRecipients(recipients);
const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;
const contentHint = ContentHint.RESENDABLE;
const sendType = 'groupChange';
const groupChange = groupChangeBase64
? Bytes.fromBase64(groupChangeBase64)
: undefined;
let profileKey: Uint8Array | undefined;
if (conversation.get('profileSharing')) {
profileKey = await ourProfileKeyService.get();
}
const groupV2Info = conversation.getGroupV2Info();
strictAssert(groupV2Info, 'groupV2Info missing');
const groupV2: GroupV2InfoType = {
...groupV2Info,
revision,
members: recipients,
groupChange,
};
try {
await conversation.queueJob(
'conversationQueue/sendGroupUpdate',
async abortSignal =>
wrapWithSyncMessageSend({
conversation,
logId,
messageIds: [],
send: async () =>
window.Signal.Util.sendToGroup({
abortSignal,
groupSendOptions: {
groupV2,
timestamp,
profileKey,
},
contentHint,
messageId: undefined,
sendOptions,
sendTarget: conversation.toSenderKeyTarget(),
sendType,
urgent: false,
}),
sendType,
timestamp,
})
);
} catch (error: unknown) {
await handleMultipleSendErrors({
errors: maybeExpandErrors(error),
isFinalAttempt,
log,
timeRemaining,
toThrow: error,
});
}
}