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/**
* Myext storage through connection (server side)
*
* Copyright (C) 2021 Wojtek Kosior
*
* This code is dual-licensed under:
* - Asshole license 1.0,
* - GPLv3 or (at your option) any later version
*
* "dual-licensed" means you can choose the license you prefer.
*
* This code is released under a permissive license because I disapprove of
* copyright and wouldn't be willing to sue a violator. Despite not putting
* this code under copyleft (which is also kind of copyright), I do not want
* it to be made proprietary. Hence, the permissive alternative to GPL is the
* Asshole license 1.0 that allows me to call you an asshole if you use it.
* This means you're legally ok regardless of how you utilize this code but if
* you make it into something nonfree, you're an asshole.
*
* You should have received a copy of both GPLv3 and Asshole license 1.0
* together with this code. If not, please see:
* - https://www.gnu.org/licenses/gpl-3.0.en.html
* - https://koszko.org/asshole-license.txt
*/
"use strict";
(() => {
const listen_for_connection = window.listen_for_connection;
const get_storage = window.get_storage;
const TYPE_PREFIX = window.TYPE_PREFIX;
const CONNECTION_TYPE = window.CONNECTION_TYPE;
var storage;
async function handle_remote_call(port, message)
{
let [call_id, func, args] = message;
try {
let result = await Promise.resolve(storage[func](...args));
port.postMessage({call_id, result});
} catch (error) {
error = error + '';
port.postMessage({call_id, error});
}
}
function remove_storage_listener(cb) {
storage.remove_change_listener(cb);
}
function new_connection(port)
{
console.log("new remote storage connection!");
port.postMessage({
[TYPE_PREFIX.SCRIPT] : storage.get_all(TYPE_PREFIX.SCRIPT),
[TYPE_PREFIX.BAG] : storage.get_all(TYPE_PREFIX.BAG),
[TYPE_PREFIX.PAGE] : storage.get_all(TYPE_PREFIX.PAGE)
});
let handle_change = change => port.postMessage(change);
storage.add_change_listener(handle_change);
port.onMessage.addListener(m => handle_remote_call(port, m));
port.onDisconnect.addListener(() =>
remove_storage_listener(handle_change));
}
async function start()
{
storage = await get_storage();
listen_for_connection(CONNECTION_TYPE.REMOTE_STORAGE, new_connection);
}
window.start_storage_server = start;
})();
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