rustdesk/src/globals.js

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import Connection from "./connection";
import _sodium from "libsodium-wrappers";
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import { CursorData } from "./message";
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import { loadOpus, loadVp9 } from "./codec";
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import { checkIfRetry, version } from "./gen_js_from_hbb";
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import { initZstd, translate } from "./common";
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var currentFrame = undefined;
var events = [];
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window.curConn = undefined;
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window.getRgba = () => {
const tmp = currentFrame;
currentFrame = undefined;
return tmp || null;
}
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window.getLanguage = () => navigator.language;
export function msgbox(type, title, text) {
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if (!events) return;
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if (!type || (type == 'error' && !text)) return;
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const text2 = text.toLowerCase();
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var hasRetry = checkIfRetry(type, title, text);
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events.push({ name: 'msgbox', type, title, text, hasRetry });
}
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function jsonfyForDart(payload) {
var tmp = {};
for (const [key, value] of Object.entries(payload)) {
if (!key) continue;
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tmp[key] = value instanceof Uint8Array ? '[' + value.toString() + ']' : JSON.stringify(value);
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}
return tmp;
}
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export function pushEvent(name, payload) {
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if (!events) return;
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payload = jsonfyForDart(payload);
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payload.name = name;
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events.push(payload);
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}
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let yuvWorker;
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export function draw(frame) {
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if (yuvvWorker) yuvWorker.postMessage(frame);
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}
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export function setConn(conn) {
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window.curConn = conn;
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}
export function getConn() {
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return window.curConn;
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}
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export async function startConn(id) {
try {
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currentFrame = undefined;
events = [];
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setByName('remote_id', id);
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await curConn.start(id);
} catch (e) {
console.log(e);
msgbox('error', 'Error', String(e));
}
}
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export function close() {
getConn()?.close();
setConn(undefined);
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currentFrame = undefined;
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events = undefined;
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}
export function newConn() {
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window.curConn?.close();
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const conn = new Connection();
setConn(conn);
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return conn;
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}
let sodium;
export async function verify(signed, pk) {
if (!sodium) {
await _sodium.ready;
sodium = _sodium;
}
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if (typeof pk == 'string') {
pk = decodeBase64(pk);
}
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return sodium.crypto_sign_open(signed, pk);
}
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export function decodeBase64(pk) {
return sodium.from_base64(pk, sodium.base64_variants.ORIGINAL);
}
export function genBoxKeyPair() {
const pair = sodium.crypto_box_keypair();
const sk = pair.privateKey;
const pk = pair.publicKey;
return [sk, pk];
}
export function genSecretKey() {
return sodium.crypto_secretbox_keygen();
}
export function seal(unsigned, theirPk, ourSk) {
const nonce = Uint8Array.from(Array(24).fill(0));
return sodium.crypto_box_easy(unsigned, nonce, theirPk, ourSk);
}
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function makeOnce(value) {
var byteArray = Array(24).fill(0);
for (var index = 0; index < byteArray.length && value > 0; index++) {
var byte = value & 0xff;
byteArray[index] = byte;
value = (value - byte) / 256;
}
return Uint8Array.from(byteArray);
};
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export function encrypt(unsigned, nonce, key) {
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return sodium.crypto_secretbox_easy(unsigned, makeOnce(nonce), key);
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}
export function decrypt(signed, nonce, key) {
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return sodium.crypto_secretbox_open_easy(signed, makeOnce(nonce), key);
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}
window.setByName = (name, value) => {
switch (name) {
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case 'remote_id':
localStorage.setItem('remote-id', value);
break;
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case 'connect':
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newConn();
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startConn(value);
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break;
case 'login':
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value = JSON.parse(value);
curConn.setRemember(value.remember == 'true');
curConn.login(value.password);
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break;
case 'close':
close();
break;
case 'refresh':
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curConn.refresh();
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break;
case 'reconnect':
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curConn.reconnect();
break;
case 'toggle_option':
curConn.toggleOption(value);
break;
case 'image_quality':
curConn.setImageQuality(value);
break;
case 'lock_screen':
curConn.lockScreen();
break;
case 'ctrl_alt_del':
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curConn.ctrlAltDel();
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break;
case 'switch_display':
curConn.switchDisplay(value);
break;
case 'remove':
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const peers = getPeers();
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delete peers[value];
localStorage.setItem('peers', JSON.stringify(peers));
break;
case 'input_key':
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value = JSON.parse(value);
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curConn.inputKey(value.name, value.alt || false, value.ctrl || false, value.shift || false, value.command || false);
break;
case 'input_string':
curConn.inputString(value);
break;
case 'send_mouse':
let mask = 0;
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value = JSON.parse(value);
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switch (value.type) {
case 'down':
mask = 1;
break;
case 'up':
mask = 2;
break;
case 'wheel':
mask = 3;
break;
}
switch (value.buttons) {
case 'left':
mask |= 1 << 3;
break;
case 'right':
mask |= 2 << 3;
break;
case 'wheel':
mask |= 4 << 3;
}
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curConn.inputMouse(mask, parseInt(value.x || '0'), parseInt(value.y || '0'), value.alt || false, value.ctrl || false, value.shift || false, value.command || false);
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break;
case 'option':
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value = JSON.parse(value);
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localStorage.setItem(value.name, value.value);
break;
case 'peer_option':
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value = JSON.parse(value);
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curConn.setOption(value.name, value.value);
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break;
case 'input_os_password':
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curConn.inputOsPassword(value);
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break;
default:
break;
}
}
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window.getByName = (name, arg) => {
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let v = _getByName(name, arg);
if (typeof v == 'string' || v instanceof String) return v;
if (v == undefined || v == null) return '';
return JSON.stringify(v);
}
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function getPeersForDart() {
const peers = [];
for (const [key, value] of Object.entries(getPeers())) {
if (!key) continue;
const tm = value['tm'];
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const info = value['info'];
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if (!tm || !info) continue;
peers.push([tm, id, info]);
}
return peers.sort().reverse().map(x => x.slice(1));
}
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function _getByName(name, arg) {
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switch (name) {
case 'peers':
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return getPeersForDart();
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case 'remote_id':
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return localStorage.getItem('remote-id');
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case 'remember':
return curConn.getRemember();
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case 'event':
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if (events && events.length) {
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const e = events[0];
events.splice(0, 1);
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return JSON.stringify(e);
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}
break;
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case 'toggle_option':
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return curConn.getOption(arg) || false;
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case 'option':
return localStorage.getItem(arg);
case 'image_quality':
return curConn.getImageQuality();
case 'translate':
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arg = JSON.parse(arg);
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return translate(arg.locale, arg.text);
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case 'peer_option':
return curConn.getOption(arg);
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case 'test_if_valid_server':
break;
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case 'version':
return version;
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}
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return '';
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}
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window.init = async () => {
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yuvWorker = new Worker("./yuv.js");
yuvWorker.onmessage = (e) => {
currentFrame = e.data;
}
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loadOpus(() => { });
loadVp9(() => { });
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await initZstd();
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}
export function getPeers() {
try {
return JSON.parse(localStorage.getItem('peers')) || {};
} catch (e) {
return {};
}
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}