414 lines
17 KiB
HTML
414 lines
17 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en" style="height:100%;">
|
|
<meta property="og:image" content="https://webvm.io/assets/reddit.png"/>
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=1100, initial-scale=1.0">
|
|
<title>WebVM - Linux virtualization in WebAssembly</title>
|
|
|
|
<meta name="description" content="Server-less virtual machine, networking included, running browser-side in HTML5/WebAssembly. Code in any programming language inside this Linux terminal.">
|
|
<meta name="keywords" content="WebVM, Virtual Machine, CheerpX, x86 virtualization, WebAssembly, Tailscale, JIT">
|
|
<meta property="og:title" content="WebVM - Linux virtualization in WebAssembly" />
|
|
<meta property="og:type" content="website" />
|
|
<meta property="og:site_name" content="WebVM"/>
|
|
<meta property="og:image" content="https://webvm.io/assets/social.png" />
|
|
<meta name="twitter:card" content="summary_large_image" />
|
|
<meta name="twitter:site" content="@leaningtech" />
|
|
<meta name="twitter:title" content="WebVM - Linux virtualization in WebAssembly" />
|
|
<meta name="twitter:description" content="Server-less virtual machine, networking included, running browser-side in HTML5/WebAssembly. Code in any programming language inside this Linux terminal.">
|
|
<meta name="twitter:image" content="https://webvm.io/assets/social.png" />
|
|
|
|
<!-- Apple iOS web clip compatibility tags -->
|
|
<meta name="application-name" content="WebVM" />
|
|
<meta name="apple-mobile-web-app-title" content="WebVM" />
|
|
<meta name="apple-mobile-web-app-capable" content="yes" />
|
|
<meta name="mobile-web-app-capable" content="yes" />
|
|
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
|
|
|
|
|
|
<link rel="shortcut icon" href="./tower.ico">
|
|
<link rel="preconnect" href="https://fonts.googleapis.com">
|
|
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
|
|
<link rel="stylesheet" id="us-fonts-css" href="https://fonts.googleapis.com/css?family=Montserrat%3A300%2C400%2C500%2C600%2C700&display=swap&ver=6.0.2" media="all">
|
|
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
|
|
<link rel="stylesheet" href="./xterm/xterm.css" />
|
|
<link rel="stylesheet" href="./scrollbar.css" />
|
|
<style>.github-fork-ribbon:before { background-color: #ea1e69; }</style>
|
|
<!-- Serviceworker script that adds the COI and CORS headers to the response headers in cases where the server does not support it. -->
|
|
<script src="serviceWorker.js"></script>
|
|
<script src="./xterm/xterm.js"></script>
|
|
<script src="./xterm/xterm-addon-fit.js"></script>
|
|
<script src="./xterm/xterm-addon-web-links.js"></script>
|
|
<script src="network.js"></script>
|
|
<script defer data-domain="webvm.io" src="https://plausible.leaningtech.com/js/script.js"></script>
|
|
</head>
|
|
|
|
<body style="margin:0;height:100%;background:black;color:white;overflow:hidden; display:flex; flex-direction: column; justify-content: space-between; height: 100%;">
|
|
<a class="github-fork-ribbon right-bottom" href="https://github.com/leaningtech/webvm/" target="_blank" data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
|
|
<div>
|
|
<div style="padding-top: 0.7em;padding-bottom: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height: 120px;">
|
|
<div style="margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: space-between;">
|
|
<pre style="font-family: monospace; font-weight: 600; font-size: large; color: #ad7fa8;">
|
|
|
|
__ __ _ __ ____ __
|
|
\ \ / /__| |_\ \ / / \/ |
|
|
\ \/\/ / -_) '_ \ V /| |\/| |
|
|
\_/\_/\___|_.__/\_/ |_| |_|
|
|
</pre>
|
|
<div style="height:100%;display: flex; flex-direction: column;justify-content: space-between;">
|
|
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
|
|
<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
|
|
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;">
|
|
<a href="https://leaningtech.com" style="text-decoration: none; height: 100%;" target="_blank">
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<span>Made with ❤️ by </span>
|
|
<img src="assets/leaningtech.png" height="40px" style="margin-left: 5px;">
|
|
</div>
|
|
</a>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
|
|
<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<span>CPU </span>
|
|
<span id="cpuactivity" style="margin-left: 7px;">🟢</span>
|
|
</div>
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<span>HDD </span>
|
|
<span id="hddactivity" style="margin-left: 7px;">🟢</span>
|
|
</div>
|
|
<a id="loginLink" style="user-select: text ;text-decoration: none; height: 100%;">
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<div style="position: relative;">
|
|
<span style="cursor: pointer" id="networkStatus">Connect via Tailscale </span>
|
|
<span style="cursor: pointer; position: absolute; right: 0px; visibility: hidden;" id="ipCopied">Copied! </span>
|
|
</div>
|
|
<img src="assets/tailscale.svg" height="35px" style="margin-left: 7px;">
|
|
</div>
|
|
</a>
|
|
<a href="https://discord.gg/yTNZgySKGa" style="text-decoration: none; height: 100%;" target="_blank">
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<span>Join Discord </span>
|
|
<img src="assets/discord-mark-blue.svg" height="35px" style="margin-left: 7px;">
|
|
</div>
|
|
</a>
|
|
<a href="https://github.com/leaningtech/webvm/issues" style="text-decoration: none; height: 100%;" target="_blank">
|
|
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
|
|
<span>GitHub Issues </span>
|
|
<img src="assets/github-mark-white.svg" height="35px" style="margin-left: 5px;">
|
|
</div>
|
|
</a>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div style="flex-grow:0; flex-shrink: 0; height:1px; width: 100%; background-color: white;">
|
|
</div>
|
|
<main style="display: flex; flex-direction: row; justify-content: space-between; margin: 5px; height: 100%;">
|
|
<div style="flex-grow:1; height:100%;display:inline-block;margin:0;" class="scrollbar" id="console">
|
|
</div>
|
|
|
|
</main>
|
|
<script>
|
|
|
|
//Utility namespace to group all functionality related to printing (both error and non error) messages
|
|
const color= "\x1b[1;35m";
|
|
const bold= "\x1b[1;37m";
|
|
const underline= "\x1b[94;4m";
|
|
const normal= "\x1b[0m";
|
|
var printOnTerm = {
|
|
getAsciiText: function ()
|
|
{
|
|
var text = [
|
|
"+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+",
|
|
"| |",
|
|
"| WebVM is a server-less virtual Linux environment running fully client-side |",
|
|
"| in HTML5/WebAssembly. |",
|
|
"| |",
|
|
"| WebVM is powered by the CheerpX virtualization engine, which enables safe, |",
|
|
"| sandboxed client-side execution of x86 binaries on any browser. |",
|
|
"| |",
|
|
"| CheerpX includes an x86-to-WebAssembly JIT compiler, a virtual block-based |",
|
|
"| file system, and a Linux syscall emulator. |",
|
|
"| |",
|
|
"| Your own WebVM with custom images via Dockerfile: |",
|
|
"| |",
|
|
"| " + underline + "https://leaningtech.com/mini-webvm-your-linux-box-from-dockerfile-via-wasm" + normal +" |",
|
|
"| |",
|
|
"| Join WebVM: The Hackathon (11-14 October 2024) |",
|
|
"| |",
|
|
"| " + underline + "https://cheerpx.io/hackathon" + normal + " |",
|
|
"| |",
|
|
"+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+",
|
|
"",
|
|
" Welcome to WebVM. If unsure, try these examples:",
|
|
"",
|
|
" python3 examples/python3/fibonacci.py ",
|
|
" gcc -o helloworld examples/c/helloworld.c && ./helloworld",
|
|
" objdump -d ./helloworld | less -M",
|
|
" vim examples/c/helloworld.c",
|
|
" curl --max-time 15 parrot.live # requires networking",
|
|
"",
|
|
];
|
|
return text;
|
|
},
|
|
getSharedArrayBufferMissingMessage: function ()
|
|
{
|
|
const isCustom = window.location.hostname !== "webvm.io";
|
|
const isSecureContext = window.isSecureContext;
|
|
const text = [
|
|
"",
|
|
"",
|
|
color + "CheerpX could not start" + normal,
|
|
"",
|
|
"CheerpX uses SharedArrayBuffer, which is not available right now.",
|
|
"",
|
|
!isSecureContext && " - This page is not in a secure context. Serve over HTTPS or WSS.",
|
|
!isSecureContext && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts" + normal,
|
|
isCustom && " - The document is not cross-origin isolated.",
|
|
isCustom && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements" + normal,
|
|
" - Your browser might not support SharedArrayBuffer.",
|
|
" Since 2022, all major browsers support this feature.",
|
|
" " + underline + "https://caniuse.com/sharedarraybuffer" + normal,
|
|
].filter(Boolean);
|
|
|
|
return text;
|
|
},
|
|
getErrorMessage: function (error_message)
|
|
{
|
|
const text = [
|
|
"",
|
|
"",
|
|
color + "CheerpX could not start" + normal,
|
|
"",
|
|
"CheerpX internal error message is:",
|
|
error_message,
|
|
"",
|
|
"",
|
|
"CheerpX is expected to work with recent desktop versions of Chrome, Edge, Firefox and Safari",
|
|
"",
|
|
"",
|
|
"Give it a try from a desktop version / another browser!",
|
|
]
|
|
|
|
return text;
|
|
},
|
|
printMessage: function (text) {
|
|
for (var i=0; i<text.length; i++)
|
|
{
|
|
term.write(text[i]);
|
|
term.write('\n');
|
|
}
|
|
},
|
|
printError: function (message)
|
|
{
|
|
this.printMessage(message);
|
|
|
|
term.write("\n\n");
|
|
|
|
function writeCustom(something)
|
|
{
|
|
term.write(something);
|
|
}
|
|
},
|
|
};
|
|
|
|
var consoleDiv = document.getElementById("console");
|
|
|
|
//xterm.js related logic
|
|
var term = new Terminal({cursorBlink:true,convertEol:true, fontFamily:"monospace", fontWeight: 400, fontWeightBold: 700});
|
|
var fitAddon = new FitAddon.FitAddon();
|
|
term.loadAddon(fitAddon);
|
|
var linkAddon = new WebLinksAddon.WebLinksAddon();
|
|
term.loadAddon(linkAddon);
|
|
term.open(consoleDiv);
|
|
term.scrollToTop();
|
|
|
|
fitAddon.fit();
|
|
window.addEventListener("resize", function(ev){fitAddon.fit();}, false);
|
|
term.focus();
|
|
var cxReadFunc = null;
|
|
function writeData(buf)
|
|
{
|
|
term.write(new Uint8Array(buf));
|
|
}
|
|
function readData(str)
|
|
{
|
|
if(cxReadFunc == null)
|
|
return;
|
|
for(var i=0;i<str.length;i++)
|
|
cxReadFunc(str.charCodeAt(i));
|
|
}
|
|
term.onData(readData);
|
|
|
|
function hddCallback(state)
|
|
{
|
|
var h = document.getElementById("hddactivity");
|
|
if(state == "ready")
|
|
h.textContent = "\u{1F7E2}";
|
|
else
|
|
h.textContent = "\u{1F7E0}";
|
|
}
|
|
function cpuCallback(state)
|
|
{
|
|
var h = document.getElementById("cpuactivity");
|
|
if(state == "ready")
|
|
h.textContent = "\u{1F7E2}";
|
|
else
|
|
h.textContent = "\u{1F7E0}";
|
|
}
|
|
|
|
//Actual CheerpX and bash specific logic
|
|
async function runBash()
|
|
{
|
|
// cmd, cwd, args and env are replaced by the Github actions workflow.
|
|
var cmd = CMD;
|
|
var args = ARGS;
|
|
var env = ENV;
|
|
var cwd = CWD;
|
|
var device_type = DEVICE_TYPE;
|
|
var image_url = IMAGE_URL;
|
|
// Reasonable defaults for local deployments
|
|
// var cmd = "/bin/bash";
|
|
// var args = ["--login"];
|
|
// var env = ["HOME=/home/user", "TERM=xterm", "USER=user", "SHELL=/bin/bash", "EDITOR=vim", "LANG=en_US.UTF-8", "LC_ALL=C"];
|
|
// var cwd = "/home/user";
|
|
// var device_type = "bytes";
|
|
// var image_url = "/your_local_image.ext2";
|
|
const structure = {
|
|
cmd: cmd,
|
|
args: args,
|
|
env: env,
|
|
cwd: cwd
|
|
}
|
|
if (typeof SharedArrayBuffer === "undefined")
|
|
{
|
|
printOnTerm.printError(printOnTerm.getSharedArrayBufferMissingMessage());
|
|
return;
|
|
}
|
|
|
|
let networkInterface = setupNetworkInterface();
|
|
|
|
async function runTest(cx)
|
|
{
|
|
var processCount = 0;
|
|
function handleProcessCreated()
|
|
{
|
|
processCount++;
|
|
plausible(`Process started: ${processCount}`);
|
|
if(processCount == 5)
|
|
{
|
|
// Make sure no further event is reported
|
|
cx.unregisterCallback("processCreated", handleProcessCreated);
|
|
}
|
|
}
|
|
cx.registerCallback("processCreated", handleProcessCreated);
|
|
cx.registerCallback("cpuActivity", cpuCallback);
|
|
cx.registerCallback("diskActivity", hddCallback);
|
|
registerNetworkLogin(cx, networkInterface);
|
|
|
|
term.scrollToBottom();
|
|
|
|
async function cxLogAndRun(cheerpx, cmd, args, env)
|
|
{
|
|
await cheerpx.run(cmd, args, env);
|
|
printOnTerm.printMessage(" ");
|
|
}
|
|
|
|
cxReadFunc = cx.setCustomConsole(writeData, term.cols, term.rows);
|
|
|
|
function preventDefaults (e) {
|
|
e.preventDefault()
|
|
e.stopPropagation()
|
|
}
|
|
consoleDiv.addEventListener("dragover", preventDefaults, false);
|
|
consoleDiv.addEventListener("dragenter", preventDefaults, false);
|
|
consoleDiv.addEventListener("dragleave", preventDefaults, false);
|
|
consoleDiv.addEventListener("drop", preventDefaults, false);
|
|
|
|
var opts = {env:structure.env, cwd:structure.cwd, uid: 1000, gid: 1000};
|
|
while (true)
|
|
{
|
|
await cxLogAndRun(cx, structure.cmd, structure.args, opts);
|
|
}
|
|
}
|
|
function failCallback(err)
|
|
{
|
|
printOnTerm.printError(printOnTerm.getErrorMessage(err));
|
|
}
|
|
// The device url and type are replaced by Github Actions.
|
|
var blockDevice;
|
|
switch (device_type)
|
|
{
|
|
case "cloud":
|
|
try
|
|
{
|
|
blockDevice = await CheerpX.CloudDevice.create(image_url);
|
|
}
|
|
catch(e)
|
|
{
|
|
// Report the failure and try again with plain HTTP
|
|
var wssProtocol = "wss:";
|
|
if(image_url.startsWith(wssProtocol))
|
|
{
|
|
// WebSocket protocol failed, try agin using plain HTTP
|
|
plausible("WS Disk failure");
|
|
image_url = "https:" + image_url.substr(wssProtocol.length);
|
|
blockDevice = await CheerpX.CloudDevice.create(image_url);
|
|
}
|
|
else
|
|
{
|
|
// No other recovery option
|
|
throw e;
|
|
}
|
|
}
|
|
break;
|
|
case "bytes":
|
|
try
|
|
{
|
|
blockDevice = await CheerpX.HttpBytesDevice.create(image_url);
|
|
}
|
|
catch(e)
|
|
{
|
|
printOnTerm.printError([e]);
|
|
throw e;
|
|
}
|
|
break;
|
|
case "github":
|
|
blockDevice = await CheerpX.GitHubDevice.create(image_url);
|
|
break;
|
|
default:
|
|
console.log("Unrecognized device type");
|
|
return;
|
|
}
|
|
var overlayDevice = await CheerpX.OverlayDevice.create(blockDevice, await CheerpX.IDBDevice.create("block1"));
|
|
var webDevice = await CheerpX.WebDevice.create("");
|
|
var dataDevice = await CheerpX.DataDevice.create();
|
|
CheerpX.Linux.create({mounts:[{type:"ext2",dev:overlayDevice,path:"/"},{type:"dir",dev:webDevice,path:"/app"},{type:"dir",dev:dataDevice,path:"/data"},{type:"devs",path:"/dev"},{type:"proc",path:"/proc"}], networkInterface: networkInterface}).then(runTest, failCallback);
|
|
}
|
|
function initialMessage()
|
|
{
|
|
printOnTerm.printMessage(printOnTerm.getAsciiText());
|
|
console.log("Welcome. We appreciate curiosity, but be warned that keeping the DevTools open causes significant performance degradation and crashes.");
|
|
}
|
|
initialMessage();
|
|
async function loadCX()
|
|
{
|
|
// Find the latest build
|
|
var r = await fetch("https://cxrtnc.leaningtech.com/LATEST.txt");
|
|
var url = await r.text();
|
|
url = url.trim();
|
|
var script = document.createElement('script');
|
|
script.type = 'text/javascript';
|
|
script.src = url;
|
|
script.addEventListener("load", runBash, false);
|
|
document.head.appendChild(script);
|
|
}
|
|
loadCX();
|
|
</script>
|
|
</body>
|
|
</html>
|
|
|