383 lines
12 KiB
JavaScript
383 lines
12 KiB
JavaScript
import Connection from "./connection";
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import _sodium from "libsodium-wrappers";
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import { CursorData } from "./message";
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import { 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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import PCMPlayer from "pcm-player";
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window.curConn = undefined;
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window.isMobile = () => {
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return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent)
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|| /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(navigator.userAgent.substr(0, 4));
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}
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export function isDesktop() {
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return !isMobile();
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}
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export function msgbox(type, title, text) {
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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) ? 'true' : '';
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onGlobalEvent(JSON.stringify({ name: 'msgbox', type, title, text, hasRetry }));
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}
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function jsonfyForDart(payload) {
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var tmp = {};
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for (const [key, value] of Object.entries(payload)) {
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if (!key) continue;
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tmp[key] = value instanceof Uint8Array ? '[' + value.toString() + ']' : JSON.stringify(value);
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}
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return tmp;
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}
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export function pushEvent(name, payload) {
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payload = jsonfyForDart(payload);
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payload.name = name;
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onGlobalEvent(JSON.stringify(payload));
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}
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let yuvWorker;
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let yuvCanvas;
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let gl;
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let pixels;
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let flipPixels;
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let oldSize;
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if (YUVCanvas.WebGLFrameSink.isAvailable()) {
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var canvas = document.createElement('canvas');
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yuvCanvas = YUVCanvas.attach(canvas, { webGL: true });
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gl = canvas.getContext("webgl");
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} else {
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yuvWorker = new Worker("./yuv.js");
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}
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let testSpeed = [0, 0];
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export function draw(frame) {
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if (yuvWorker) {
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// frame's (y/u/v).bytes already detached, can not transferrable any more.
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yuvWorker.postMessage(frame);
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} else {
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var tm0 = new Date().getTime();
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yuvCanvas.drawFrame(frame);
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var width = canvas.width;
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var height = canvas.height;
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var size = width * height * 4;
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if (size != oldSize) {
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pixels = new Uint8Array(size);
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flipPixels = new Uint8Array(size);
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oldSize = size;
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}
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gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
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const row = width * 4;
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const end = (height - 1) * row;
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for (let i = 0; i < size; i += row) {
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flipPixels.set(pixels.subarray(i, i + row), end - i);
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}
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onRgba(flipPixels);
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testSpeed[1] += new Date().getTime() - tm0;
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testSpeed[0] += 1;
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if (testSpeed[0] > 30) {
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console.log('gl: ' + parseInt('' + testSpeed[1] / testSpeed[0]));
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testSpeed = [0, 0];
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}
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}
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/*
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var testCanvas = document.getElementById("test-yuv-decoder-canvas");
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if (testCanvas && currentFrame) {
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var ctx = testCanvas.getContext("2d");
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testCanvas.width = frame.format.displayWidth;
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testCanvas.height = frame.format.displayHeight;
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var img = ctx.createImageData(testCanvas.width, testCanvas.height);
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img.data.set(currentFrame);
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ctx.putImageData(img, 0, 0);
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}
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*/
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}
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export function sendOffCanvas(c) {
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let canvas = c.transferControlToOffscreen();
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yuvWorker.postMessage({ canvas }, [canvas]);
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}
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export function setConn(conn) {
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window.curConn = conn;
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}
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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) {
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setByName('remote_id', id);
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await curConn.start(id);
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}
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export function close() {
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getConn()?.close();
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setConn(undefined);
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}
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export function newConn() {
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window.curConn?.close();
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const conn = new Connection();
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setConn(conn);
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return conn;
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}
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let sodium;
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export async function verify(signed, pk) {
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if (!sodium) {
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await _sodium.ready;
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sodium = _sodium;
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}
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if (typeof pk == 'string') {
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pk = decodeBase64(pk);
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}
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return sodium.crypto_sign_open(signed, pk);
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}
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export function decodeBase64(pk) {
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return sodium.from_base64(pk, sodium.base64_variants.ORIGINAL);
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}
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export function genBoxKeyPair() {
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const pair = sodium.crypto_box_keypair();
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const sk = pair.privateKey;
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const pk = pair.publicKey;
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return [sk, pk];
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}
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export function genSecretKey() {
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return sodium.crypto_secretbox_keygen();
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}
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export function seal(unsigned, theirPk, ourSk) {
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const nonce = Uint8Array.from(Array(24).fill(0));
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return sodium.crypto_box_easy(unsigned, nonce, theirPk, ourSk);
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}
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function makeOnce(value) {
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var byteArray = Array(24).fill(0);
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for (var index = 0; index < byteArray.length && value > 0; index++) {
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var byte = value & 0xff;
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byteArray[index] = byte;
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value = (value - byte) / 256;
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}
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return Uint8Array.from(byteArray);
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};
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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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}
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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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}
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window.setByName = (name, value) => {
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switch (name) {
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case 'remote_id':
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localStorage.setItem('remote-id', value);
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break;
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case 'connect':
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newConn();
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startConn(value);
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break;
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case 'login':
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value = JSON.parse(value);
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curConn.setRemember(value.remember == 'true');
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curConn.login(value.password);
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break;
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case 'close':
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close();
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break;
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case 'refresh':
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curConn.refresh();
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break;
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case 'reconnect':
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curConn.reconnect();
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break;
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case 'toggle_option':
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curConn.toggleOption(value);
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break;
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case 'image_quality':
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curConn.setImageQuality(value);
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break;
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case 'lock_screen':
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curConn.lockScreen();
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break;
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case 'ctrl_alt_del':
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curConn.ctrlAltDel();
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break;
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case 'switch_display':
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curConn.switchDisplay(value);
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break;
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case 'remove':
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const peers = getPeers();
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delete peers[value];
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localStorage.setItem('peers', JSON.stringify(peers));
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break;
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case 'input_key':
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value = JSON.parse(value);
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curConn.inputKey(value.name, value.down == 'true', value.press == 'true', value.alt == 'true', value.ctrl == 'true', value.shift == 'true', value.command == 'true');
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break;
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case 'input_string':
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curConn.inputString(value);
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break;
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case 'send_mouse':
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let mask = 0;
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value = JSON.parse(value);
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switch (value.type) {
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case 'down':
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mask = 1;
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break;
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case 'up':
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mask = 2;
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break;
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case 'wheel':
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mask = 3;
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break;
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}
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switch (value.buttons) {
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case 'left':
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mask |= 1 << 3;
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break;
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case 'right':
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mask |= 2 << 3;
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break;
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case 'wheel':
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mask |= 4 << 3;
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}
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curConn.inputMouse(mask, parseInt(value.x || '0'), parseInt(value.y || '0'), value.alt == 'true', value.ctrl == 'true', value.shift == 'true', value.command == 'true');
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break;
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case 'option':
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value = JSON.parse(value);
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localStorage.setItem(value.name, value.value);
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break;
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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;
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case 'input_os_password':
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curConn.inputOsPassword(value);
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break;
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default:
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break;
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}
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}
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window.getByName = (name, arg) => {
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let v = _getByName(name, arg);
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if (typeof v == 'string' || v instanceof String) return v;
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if (v == undefined || v == null) return '';
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return JSON.stringify(v);
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}
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function getPeersForDart() {
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const peers = [];
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for (const [id, value] of Object.entries(getPeers())) {
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if (!id) continue;
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const tm = value['tm'];
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const info = value['info'];
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if (!tm || !info) continue;
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peers.push([tm, id, info]);
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}
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return peers.sort().reverse().map(x => x.slice(1));
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}
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function _getByName(name, arg) {
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switch (name) {
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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':
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return curConn.getRemember();
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case 'toggle_option':
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return curConn.getOption(arg) || false;
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case 'option':
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return localStorage.getItem(arg);
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case 'image_quality':
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return curConn.getImageQuality();
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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':
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return curConn.getOption(arg);
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case 'test_if_valid_server':
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break;
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case 'version':
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return version;
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}
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return '';
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}
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let opusWorker = new Worker("./libopus.js");
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let pcmPlayer;
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export function initAudio(channels, sampleRate) {
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pcmPlayer = newAudioPlayer(channels, sampleRate);
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opusWorker.postMessage({ channels, sampleRate });
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}
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export function playAudio(packet) {
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opusWorker.postMessage(packet, [packet.buffer]);
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}
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window.init = async () => {
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if (yuvWorker) {
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yuvWorker.onmessage = (e) => {
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onRgba(e.data);
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}
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}
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opusWorker.onmessage = (e) => {
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pcmPlayer.feed(e.data);
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}
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loadVp9(() => { });
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await initZstd();
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console.log('init done');
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}
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export function getPeers() {
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try {
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return JSON.parse(localStorage.getItem('peers')) || {};
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} catch (e) {
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return {};
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}
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}
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function newAudioPlayer(channels, sampleRate) {
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return new PCMPlayer({
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channels,
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sampleRate,
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flushingTime: 2000
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});
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}
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export function copyToClipboard(text) {
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if (window.clipboardData && window.clipboardData.setData) {
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// Internet Explorer-specific code path to prevent textarea being shown while dialog is visible.
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return window.clipboardData.setData("Text", text);
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}
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else if (document.queryCommandSupported && document.queryCommandSupported("copy")) {
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var textarea = document.createElement("textarea");
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textarea.textContent = text;
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textarea.style.position = "fixed"; // Prevent scrolling to bottom of page in Microsoft Edge.
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document.body.appendChild(textarea);
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textarea.select();
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try {
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return document.execCommand("copy"); // Security exception may be thrown by some browsers.
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}
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catch (ex) {
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console.warn("Copy to clipboard failed.", ex);
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// return prompt("Copy to clipboard: Ctrl+C, Enter", text);
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}
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finally {
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document.body.removeChild(textarea);
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}
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}
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} |