Files
4play/ext/bg.js

560 lines
10 KiB
JavaScript

const STATUS_CONNECTING = 0;
const STATUS_OFFLINE = 1;
const STATUS_CONNECTED = 2;
var conn_attempts = 0;
var connected = false;
var timeoutId;
var global_ws = null;
var container_count = 0;
var proxy_map = {};
browser.browserAction.setBadgeBackgroundColor({
color: [0, 0, 0, 0]
});
// helper functions
async function get_tabs(){
var tabs = await browser.tabs.query({});
return tabs.map(tab => ({
id: tab.id,
index: tab.index,
status: tab.status,
active: tab.active,
title: tab.title,
url: tab.url,
container: tab.cookieStoreId
}));
}
async function tab_exists(id){
try{
await browser.tabs.get(id);
return true;
}catch{
return false;
}
}
async function get_container_list(){
const containers = await browser.contextualIdentities.query({});
var list = [];
for(var i=0; i<containers.length; i++){
list.push({
id: containers[i].cookieStoreId,
name: containers[i].name,
icon: containers[i].icon,
color: containers[i].color,
proxy: proxy_map[containers[i].cookieStoreId]
});
}
return list;
}
async function container_exists(id){
try{
await browser.contextualIdentities.get(id);
return true;
}catch{
return false;
}
}
function send(ws, seqid, msg = {}){
msg.seqid = seqid;
var msg = JSON.stringify(msg);
console.log("-> " + msg);
ws.send(msg);
}
function send_event(ws, msg = {}){
var msg = JSON.stringify(msg);
console.log("-> " + msg);
ws.send(msg);
}
async function set_status(status){
switch(status){
case STATUS_CONNECTING:
conn_attempts++;
browser.browserAction.setBadgeText({text: "🔵"});
await browser.storage.local.set({"status": STATUS_CONNECTING, "attempts": conn_attempts});
break;
case STATUS_CONNECTED:
conn_attempts = 0;
browser.browserAction.setBadgeText({text: "🟢"});
await browser.storage.local.set({"status": STATUS_CONNECTED, "attempts": 0});
break;
case STATUS_OFFLINE:
browser.browserAction.setBadgeText({text: "🔴"});
await browser.storage.local.set({"status": STATUS_OFFLINE});
break;
}
}
function ws_connect_timeout(url, timeoutMs = 5000){
timeoutMs = parseInt(timeoutMs);
return new Promise(function(resolve, reject){
var ws = null;
global_ws = null;
try{
ws = new WebSocket(url);
}catch(error){
setTimeout(async function(){
ws_init();
reject(new Error("Bad URL"));
}, timeoutMs);
return;
}
attach_ws_events(ws);
/*
ws.addEventListener("open", function(){console.log("open!");});
ws.addEventListener("message", function(){console.log("message!");});
ws.addEventListener("close", function(){console.log("close!");});*/
connected = false;
// Set up the timeout
timeoutId = setTimeout(function(){
if(!connected){
ws.close();
reject(new Error("Timeout"));
}
}, timeoutMs);
ws.addEventListener("open", function(){
connected = true;
clearTimeout(timeoutId);
resolve(ws);
});
ws.addEventListener("close", function(){
clearTimeout(timeoutId);
setTimeout(async function(){
ws_init();
reject(new Error("Close"));
}, timeoutMs);
});
});
}
async function ws_init(){
await set_status(STATUS_CONNECTING);
var config = await browser.storage.local.get();
try{
global_ws = await ws_connect_timeout(config.ws_url, config.ws_timeout);
}catch(error){
console.log("ws: " + error);
return;
}
// online
}
function attach_ws_events(ws){
ws.addEventListener("open", async function(){
console.log("ws: connected");
await set_status(STATUS_CONNECTED);
});
ws.addEventListener("message", async function(e){
console.log("<- " + e.data);
var msg = JSON.parse(e.data);
var seqid = msg.seqid;
switch(msg.action){
//
// Misc
//
case "get_ua":
send(ws, seqid, {
"ua": navigator.userAgent
});
break;
//
// Tabs
//
case "get_tabs":
send(ws, seqid, {
"tabs": await get_tabs()
});
break;
case "tab_open":
var tab =
await browser.tabs.create({
url: msg.url,
...(typeof msg.container == "string" && { cookieStoreId: msg.container })
});
// immediately return even if its not loaded yet
send(ws, seqid, {
data: {
id: tab.id,
index: tab.index,
status: tab.status,
active: tab.active,
title: tab.title,
url: tab.url,
container: tab.cookieStoreId
}
});
break;
case "tab_close":
var closed_tabs = 0;
switch(typeof msg.tabid){
case "number":
var exists = await tab_exists(msg.tabid);
if(exists){
await browser.tabs.remove(msg.tabid);
closed_tabs = 1;
}
break;
case "object":
var exists = false;
for(var i=0; i<msg.tabid.length; i++){
exists = await tab_exists(msg.tabid[i]);
if(exists){
await browser.tabs.remove(msg.tabid[i]);
closed_tabs++;
}
}
break;
}
send(ws, seqid, {"closed_tab_count": closed_tabs});
break;
case "tab_focus":
var exists = await tab_exists(msg.tabid);
if(exists){
await browser.tabs.update(msg.tabid, { active: true });
send(ws, seqid, {"status": true});
return;
}
send(ws, seqid, {"status": false});
break;
case "tab_exists":
var exists = await tab_exists(msg.tabid);
send(ws, seqid, {"exists": exists});
break;
case "tab_inject_js":
try{
var result = await browser.scripting.executeScript({
target: { tabId: msg.tabid },
func: (code) => eval(code),
args: [msg.js],
...(msg.isolated === true && { world: "ISOLATED" })
});
send(ws, seqid, {"status": true, "result": result});
}catch(err){
send(ws, seqid, {"status": err.name + ": " + err.message});
}
break;
//
// Containers
//
case "get_container_list":
var containers = await get_container_list();
send(ws, seqid, {
"containers": containers
});
break;
case "container_create":
// generate random container attributes
container_count++;
var name = null;
if(typeof msg.name != "undefined"){
name = msg.name;
}else{
name = "sesh" + container_count;
}
const color = [
"blue",
"turquoise",
"green",
"yellow",
"orange",
"red",
"pink",
"purple"
][Math.floor(Math.random() * 8)];
const icon = [
"fingerprint",
"briefcase",
"dollar",
"cart",
"circle",
"gift",
"vacation",
"food",
"fruit",
"pet",
"tree",
"chill",
"fence"
][Math.floor(Math.random() * 13)];
const container = await browser.contextualIdentities.create({
name: name,
color: color,
icon: icon
});
proxy_map[container.cookieStoreId] = {
type: "direct"
};
send(ws, seqid, {
id: container.cookieStoreId,
name: name,
color: color,
icon: icon,
proxy: proxy_map[container.cookieStoreId]
});
break;
case "container_exists":
var exists = await container_exists(msg.id);
send(ws, seqid, {"exists": exists});
break;
case "container_delete":
var deleted_containers = 0;
switch(typeof msg.id){
case "number":
var exists = await container_exists(msg.id);
if(exists){
await browser.contextualIdentities.remove(msg.id);
delete(proxy_map[msg.id]);
deleted_containers = 1;
}
break;
case "object":
var exists = false;
for(var i=0; i<msg.id.length; i++){
exists = await container_exists(msg.id[i]);
if(exists){
await browser.contextualIdentities.remove(msg.id[i]);
delete(proxy_map[msg.id[i]]);
deleted_containers++;
}
}
break;
}
send(ws, seqid, {"closed_container_count": deleted_containers});
break;
case "container_attach_proxy":
var status = await container_exists(msg.id);
if(status){
proxy_map[msg.id] = msg.proxy;
send(ws, seqid, {status: true});
return;
}
send(ws, seqid, {status: false});
break;
case "container_detach_proxy":
var status = await container_exists(msg.id);
if(status){
proxy_map[msg.id] = {type: "direct"};
send(ws, seqid, {status: true});
return;
}
send(ws, seqid, {status: false});
break;
default:
console.log(`ws: unhandled message "${msg.action}"`, msg);
break;
}
});
ws.addEventListener("close", async function(e){
console.log("ws: offline");
await set_status(STATUS_OFFLINE);
});
}
//
// Page events
//
browser.webRequest.onSendHeaders.addListener(
function(details){
var headers = [];
for(const header of details.requestHeaders){
headers.push(header.name + ": " + header.value);
}
send_event(
global_ws,
{
"action": "web_request",
"data": {
id: details.tabId,
url: details.url,
status: details.statusCode,
origin: details.originUrl,
type: details.type,
method: details.method,
container: details.cookieStoreId,
headers: headers
}
}
);
},
{urls: ["<all_urls>"], types: ["main_frame"]},
["requestHeaders"]
);
browser.proxy.onRequest.addListener(function(request){
const proxy_config = proxy_map[request.cookieStoreId];
if(proxy_config){
return proxy_config;
}
// fallback, should not happen
return {
type: "direct"
}
},
{
urls: ["<all_urls>"]
});
browser.tabs.onUpdated.addListener(function(tabid, event, tab){
if(connected === false){ return; }
if(event.status === "complete"){
send_event(
global_ws,
{
"action": "dom_ready",
"data": {
id: tab.id,
index: tab.index,
status: tab.status,
active: tab.active,
title: tab.title,
url: tab.url,
container: tab.cookieStoreId
}
}
);
}
});
browser.webNavigation.onErrorOccurred.addListener(function(page){
if(connected === false){ return; }
send_event(
global_ws,
{
"action": "dom_load_fail",
"data": {
id: page.tabId
}
}
);
});
(async function(){
await ws_init();
})();