mirror of https://github.com/gorhill/uBlock.git
111 lines
3.5 KiB
JavaScript
111 lines
3.5 KiB
JavaScript
/*******************************************************************************
|
|
|
|
uBlock Origin - a browser extension to block requests.
|
|
Copyright (C) 2022-present Raymond Hill
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see {http://www.gnu.org/licenses/}.
|
|
|
|
Home: https://github.com/gorhill/uBlock
|
|
*/
|
|
|
|
/* jshint esversion:11 */
|
|
|
|
'use strict';
|
|
|
|
/******************************************************************************/
|
|
|
|
const browser =
|
|
self.browser instanceof Object &&
|
|
self.browser instanceof Element === false
|
|
? self.browser
|
|
: self.chrome;
|
|
|
|
const dnr = browser.declarativeNetRequest;
|
|
const i18n = browser.i18n;
|
|
const runtime = browser.runtime;
|
|
|
|
/******************************************************************************/
|
|
|
|
// The extension's service worker can be evicted at any time, so when we
|
|
// send a message, we try a few more times when the message fails to be sent.
|
|
|
|
function sendMessage(msg) {
|
|
return new Promise((resolve, reject) => {
|
|
let i = 5;
|
|
const send = ( ) => {
|
|
runtime.sendMessage(msg).then(response => {
|
|
resolve(response);
|
|
}).catch(reason => {
|
|
i -= 1;
|
|
if ( i <= 0 ) {
|
|
reject(reason);
|
|
} else {
|
|
setTimeout(send, 200);
|
|
}
|
|
});
|
|
};
|
|
send();
|
|
});
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
async function localRead(key) {
|
|
if ( browser.storage instanceof Object === false ) { return; }
|
|
if ( browser.storage.local instanceof Object === false ) { return; }
|
|
try {
|
|
const bin = await browser.storage.local.get(key);
|
|
if ( bin instanceof Object === false ) { return; }
|
|
return bin[key];
|
|
} catch(ex) {
|
|
}
|
|
}
|
|
|
|
async function localWrite(key, value) {
|
|
if ( browser.storage instanceof Object === false ) { return; }
|
|
if ( browser.storage.local instanceof Object === false ) { return; }
|
|
return browser.storage.local.set({ [key]: value });
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
async function sessionRead(key) {
|
|
if ( browser.storage instanceof Object === false ) { return; }
|
|
if ( browser.storage.session instanceof Object === false ) { return; }
|
|
try {
|
|
const bin = await browser.storage.session.get(key);
|
|
if ( bin instanceof Object === false ) { return; }
|
|
return bin[key];
|
|
} catch(ex) {
|
|
}
|
|
}
|
|
|
|
async function sessionWrite(key, value) {
|
|
if ( browser.storage instanceof Object === false ) { return; }
|
|
if ( browser.storage.session instanceof Object === false ) { return; }
|
|
return browser.storage.session.set({ [key]: value });
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
export {
|
|
browser,
|
|
dnr,
|
|
i18n,
|
|
runtime,
|
|
sendMessage,
|
|
localRead, localWrite,
|
|
sessionRead, sessionWrite,
|
|
};
|