118 lines
3.5 KiB
TypeScript
118 lines
3.5 KiB
TypeScript
// Copyright 2016 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import { debounce } from 'lodash';
|
|
|
|
import type { MessageModel } from '../models/messages';
|
|
import { clearTimeoutIfNecessary } from '../util/clearTimeoutIfNecessary';
|
|
import { sleep } from '../util/sleep';
|
|
import { SECOND } from '../util/durations';
|
|
import * as Errors from '../types/errors';
|
|
import { scheduleOptimizeFTS } from './ftsOptimizer';
|
|
|
|
class ExpiringMessagesDeletionService {
|
|
public update: typeof this.checkExpiringMessages;
|
|
|
|
private timeout?: ReturnType<typeof setTimeout>;
|
|
|
|
constructor() {
|
|
this.update = debounce(this.checkExpiringMessages, 1000);
|
|
}
|
|
|
|
private async destroyExpiredMessages() {
|
|
try {
|
|
window.SignalContext.log.info(
|
|
'destroyExpiredMessages: Loading messages...'
|
|
);
|
|
const messages = await window.Signal.Data.getExpiredMessages();
|
|
window.SignalContext.log.info(
|
|
`destroyExpiredMessages: found ${messages.length} messages to expire`
|
|
);
|
|
|
|
const messageIds: Array<string> = [];
|
|
const inMemoryMessages: Array<MessageModel> = [];
|
|
const messageCleanup: Array<Promise<void>> = [];
|
|
|
|
messages.forEach(dbMessage => {
|
|
const message = window.MessageController.register(
|
|
dbMessage.id,
|
|
dbMessage
|
|
);
|
|
messageIds.push(message.id);
|
|
inMemoryMessages.push(message);
|
|
messageCleanup.push(message.cleanup());
|
|
});
|
|
|
|
// We delete after the trigger to allow the conversation time to process
|
|
// the expiration before the message is removed from the database.
|
|
await window.Signal.Data.removeMessages(messageIds);
|
|
await Promise.all(messageCleanup);
|
|
|
|
inMemoryMessages.forEach(message => {
|
|
window.SignalContext.log.info('Message expired', {
|
|
sentAt: message.get('sent_at'),
|
|
});
|
|
|
|
// We do this to update the UI, if this message is being displayed somewhere
|
|
message.trigger('expired');
|
|
window.reduxActions.conversations.messageExpired(message.id);
|
|
});
|
|
|
|
if (messages.length > 0) {
|
|
scheduleOptimizeFTS();
|
|
}
|
|
} catch (error) {
|
|
window.SignalContext.log.error(
|
|
'destroyExpiredMessages: Error deleting expired messages',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
window.SignalContext.log.info(
|
|
'destroyExpiredMessages: Waiting 30 seconds before trying again'
|
|
);
|
|
await sleep(30 * SECOND);
|
|
}
|
|
|
|
window.SignalContext.log.info(
|
|
'destroyExpiredMessages: done, scheduling another check'
|
|
);
|
|
void this.update();
|
|
}
|
|
|
|
private async checkExpiringMessages() {
|
|
window.SignalContext.log.info(
|
|
'checkExpiringMessages: checking for expiring messages'
|
|
);
|
|
|
|
const soonestExpiry = await window.Signal.Data.getSoonestMessageExpiry();
|
|
if (!soonestExpiry) {
|
|
window.SignalContext.log.info(
|
|
'checkExpiringMessages: found no messages to expire'
|
|
);
|
|
return;
|
|
}
|
|
|
|
let wait = soonestExpiry - Date.now();
|
|
|
|
// In the past
|
|
if (wait < 0) {
|
|
wait = 0;
|
|
}
|
|
|
|
// Too far in the future, since it's limited to a 32-bit value
|
|
if (wait > 2147483647) {
|
|
wait = 2147483647;
|
|
}
|
|
|
|
window.SignalContext.log.info(
|
|
`checkExpiringMessages: next message expires ${new Date(
|
|
soonestExpiry
|
|
).toISOString()}; waiting ${wait} ms before clearing`
|
|
);
|
|
|
|
clearTimeoutIfNecessary(this.timeout);
|
|
this.timeout = setTimeout(this.destroyExpiredMessages.bind(this), wait);
|
|
}
|
|
}
|
|
|
|
export const expiringMessagesDeletionService =
|
|
new ExpiringMessagesDeletionService();
|