108 lines
2.2 KiB
JavaScript
108 lines
2.2 KiB
JavaScript
/* eslint-disable more/no-then */
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// eslint-disable-next-line func-names
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(function() {
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'use strict';
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window.Whisper = window.Whisper || {};
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let ready = false;
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let items;
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let callbacks = [];
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reset();
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async function put(key, value) {
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if (value === undefined) {
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throw new Error('Tried to store undefined');
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}
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if (!ready) {
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window.log.warn('Called storage.put before storage is ready. key:', key);
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}
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const data = { id: key, value };
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items[key] = data;
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await window.Signal.Data.createOrUpdateItem(data);
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}
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function get(key, defaultValue) {
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if (!ready) {
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window.log.warn('Called storage.get before storage is ready. key:', key);
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}
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const item = items[key];
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if (!item) {
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return defaultValue;
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}
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return item.value;
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}
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async function remove(key) {
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if (!ready) {
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window.log.warn('Called storage.get before storage is ready. key:', key);
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}
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delete items[key];
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await window.Signal.Data.removeItemById(key);
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}
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function onready(callback) {
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if (ready) {
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callback();
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} else {
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callbacks.push(callback);
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}
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}
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function callListeners() {
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if (ready) {
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callbacks.forEach(callback => callback());
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callbacks = [];
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}
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}
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async function fetch() {
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this.reset();
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const array = await window.Signal.Data.getAllItems();
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for (let i = 0, max = array.length; i < max; i += 1) {
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const item = array[i];
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const { id } = item;
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items[id] = item;
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}
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ready = true;
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callListeners();
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}
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function reset() {
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ready = false;
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items = Object.create(null);
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}
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const storage = {
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fetch,
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put,
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get,
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remove,
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onready,
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reset,
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};
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// Keep a reference to this storage system, since there are scenarios where
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// we need to replace it with the legacy storage system for a while.
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window.newStorage = storage;
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window.textsecure = window.textsecure || {};
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window.textsecure.storage = window.textsecure.storage || {};
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window.installStorage = newStorage => {
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window.storage = newStorage;
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window.textsecure.storage.impl = newStorage;
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};
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window.installStorage(storage);
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})();
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