100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
// Copyright 2019-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* global
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_,
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MessageController,
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Whisper
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*/
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// eslint-disable-next-line func-names
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(function () {
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window.Whisper = window.Whisper || {};
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async function eraseTapToViewMessages() {
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try {
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window.log.info('eraseTapToViewMessages: Loading messages...');
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const messages = await window.Signal.Data.getTapToViewMessagesNeedingErase(
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{
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MessageCollection: Whisper.MessageCollection,
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}
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);
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await Promise.all(
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messages.map(async fromDB => {
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const message = MessageController.register(fromDB.id, fromDB);
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window.log.info(
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'eraseTapToViewMessages: message data erased',
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message.idForLogging()
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);
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message.trigger('erased');
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await message.eraseContents();
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})
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);
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} catch (error) {
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window.log.error(
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'eraseTapToViewMessages: Error erasing messages',
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error && error.stack ? error.stack : error
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);
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}
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window.log.info('eraseTapToViewMessages: complete');
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}
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let timeout;
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async function checkTapToViewMessages() {
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const SECOND = 1000;
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const MINUTE = 60 * SECOND;
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const HOUR = 60 * MINUTE;
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const THIRTY_DAYS = 30 * 24 * HOUR;
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const toAgeOut = await window.Signal.Data.getNextTapToViewMessageToAgeOut({
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Message: Whisper.Message,
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});
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if (!toAgeOut) {
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return;
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}
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const nextCheck = toAgeOut.get('received_at') + THIRTY_DAYS;
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Whisper.TapToViewMessagesListener.nextCheck = nextCheck;
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window.log.info(
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'checkTapToViewMessages: next check at',
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new Date(nextCheck).toISOString()
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);
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let wait = nextCheck - Date.now();
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// In the past
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if (wait < 0) {
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wait = 0;
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}
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// Too far in the future, since it's limited to a 32-bit value
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if (wait > 2147483647) {
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wait = 2147483647;
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}
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clearTimeout(timeout);
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timeout = setTimeout(async () => {
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await eraseTapToViewMessages();
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checkTapToViewMessages();
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}, wait);
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}
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const debouncedCheckTapToViewMessages = _.debounce(
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checkTapToViewMessages,
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1000
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);
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Whisper.TapToViewMessagesListener = {
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nextCheck: null,
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init(events) {
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checkTapToViewMessages();
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events.on('timetravel', debouncedCheckTapToViewMessages);
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},
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update: debouncedCheckTapToViewMessages,
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};
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})();
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