301 lines
13 KiB
HTML
301 lines
13 KiB
HTML
<!DOCTYPE html>
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<html lang="en" style="height:100%;">
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<meta property="og:image" content="https://webvm.io/assets/reddit.png"/>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=1100, initial-scale=1.0">
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<title>WebVM - Linux virtualization in WebAssembly</title>
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<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.">
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<meta name="keywords" content="WebVM, Virtual Machine, CheerpX, x86 virtualization, WebAssembly, Tailscale, JIT">
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<meta property="og:title" content="WebVM - Linux virtualization in WebAssembly" />
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<meta property="og:type" content="website" />
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<meta property="og:site_name" content="WebVM"/>
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<meta property="og:image" content="https://webvm.io/assets/social.png" />
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<meta name="twitter:card" content="summary_large_image" />
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<meta name="twitter:site" content="@leaningtech" />
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<meta name="twitter:title" content="WebVM - Linux virtualization in WebAssembly" />
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<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.">
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<meta name="twitter:image" content="https://webvm.io/assets/social.png" />
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<!-- Apple iOS web clip compatibility tags -->
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<meta name="application-name" content="WebVM" />
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<meta name="apple-mobile-web-app-title" content="WebVM" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black" />
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<link rel="shortcut icon" href="./tower.ico">
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<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">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
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<link rel="stylesheet" href="./xterm/xterm.css" />
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<link rel="stylesheet" href="./scrollbar.css" />
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<style>.github-fork-ribbon:before { background-color: #ea1e69; }</style>
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<!-- Serviceworker script that adds the COI and CORS headers to the response headers in cases where the server does not support it. -->
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<script src="serviceWorker.js"></script>
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<script src="./xterm/xterm.js"></script>
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<script src="./xterm/xterm-addon-fit.js"></script>
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<script src="./xterm/xterm-addon-web-links.js"></script>
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<script src="network.js"></script>
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</head>
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<body style="margin:0;height:100%;background:black;color:white;overflow:hidden; display:flex; flex-direction: column; justify-content: space-between; height: 100%;">
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<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>
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<div>
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<div style="padding-top: 0.7em;padding-bottom: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height: 120px;">
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<div style="margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: space-between;">
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<pre style="font-family: monospace; font-weight: 600; font-size: large; color: #ad7fa8;">
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__ __ _ __ ____ __
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\ \ / /__| |_\ \ / / \/ |
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\ \/\/ / -_) '_ \ V /| |\/| |
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\_/\_/\___|_.__/\_/ |_| |_|
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</pre>
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<div style="height:100%;display: flex; flex-direction: column;justify-content: space-between;">
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<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
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<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
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<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;">
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<a href="https://leaningtech.com" style="text-decoration: none; height: 100%;" target="_blank">
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<span>Made with ❤️ by </span>
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<img src="assets/leaningtech.png" height="40px" style="margin-left: 5px;">
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</div>
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</a>
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</div>
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</div>
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</div>
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<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
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<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<span>CPU </span>
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<span id="cpuactivity" style="margin-left: 7px;">🟢</span>
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</div>
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<span>HDD </span>
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<span id="hddactivity" style="margin-left: 7px;">🟢</span>
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</div>
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<a id="loginLink" style="user-select: text ;text-decoration: none; height: 100%;">
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<div style="position: relative;">
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<span style="cursor: pointer" id="networkStatus">Connect via Tailscale </span>
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<span style="cursor: pointer; position: absolute; right: 0px; visibility: hidden;" id="ipCopied">Copied! </span>
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</div>
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<img src="assets/tailscale.svg" height="35px" style="margin-left: 7px;">
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</div>
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</a>
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<a href="https://discord.gg/yTNZgySKGa" style="text-decoration: none; height: 100%;" target="_blank">
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<span>Join Discord </span>
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<img src="assets/discord-mark-blue.svg" height="35px" style="margin-left: 7px;">
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</div>
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</a>
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<a href="https://github.com/leaningtech/webvm/issues" style="text-decoration: none; height: 100%;" target="_blank">
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<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
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<span>GitHub Issues </span>
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<img src="assets/github-mark-white.svg" height="35px" style="margin-left: 5px;">
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</div>
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</a>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div style="flex-grow:0; flex-shrink: 0; height:1px; width: 100%; background-color: white;">
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</div>
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<main style="display: flex; flex-direction: row; justify-content: space-between; margin: 5px; height: 100%;">
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<div style="flex-grow:1; height:100%;display:inline-block;margin:0;" class="scrollbar" id="console">
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</div>
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<canvas id="canvas"></canvas>
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</main>
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<script>
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//Utility namespace to group all functionality related to printing (both error and non error) messages
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const color= "\x1b[1;35m";
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const bold= "\x1b[1;37m";
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const underline= "\x1b[94;4m";
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const normal= "\x1b[0m";
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var printOnTerm = {
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getSharedArrayBufferMissingMessage: function ()
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{
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const isCustom = window.location.hostname !== "webvm.io";
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const isSecureContext = window.isSecureContext;
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const text = [
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"",
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"",
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color + "CheerpX could not start" + normal,
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"",
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"CheerpX uses SharedArrayBuffer, which is not available right now.",
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"",
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!isSecureContext && " - This page is not in a secure context. Serve over HTTPS or WSS.",
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!isSecureContext && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts" + normal,
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isCustom && " - The document is not cross-origin isolated.",
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isCustom && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements" + normal,
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" - Your browser might not support SharedArrayBuffer.",
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" Since 2022, all major browsers support this feature.",
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" " + underline + "https://caniuse.com/sharedarraybuffer" + normal,
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].filter(Boolean);
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return text;
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},
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getErrorMessage: function (error_message)
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{
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const text = [
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"",
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"",
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color + "CheerpX could not start" + normal,
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"",
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"CheerpX internal error message is:",
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error_message,
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"",
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"",
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"CheerpX is expected to work with recent desktop versions of Chrome, Edge, Firefox and Safari",
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"",
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"",
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"Give it a try from a desktop version / another browser!",
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]
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return text;
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},
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printMessage: function (text) {
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for (var i=0; i<text.length; i++)
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{
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term.write(text[i]);
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term.write('\n');
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}
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},
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printError: function (message)
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{
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this.printMessage(message);
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term.write("\n\n");
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function writeCustom(something)
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{
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term.write(something);
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}
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},
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};
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var consoleDiv = document.getElementById("console");
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//xterm.js related logic
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var term = new Terminal({cursorBlink:true,convertEol:true, fontFamily:"monospace", fontWeight: 400, fontWeightBold: 700});
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var fitAddon = new FitAddon.FitAddon();
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term.loadAddon(fitAddon);
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var linkAddon = new WebLinksAddon.WebLinksAddon();
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term.loadAddon(linkAddon);
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term.open(consoleDiv);
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term.scrollToTop();
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fitAddon.fit();
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window.addEventListener("resize", function(ev){fitAddon.fit();}, false);
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term.focus();
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var cxReadFunc = null;
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function writeData(buf, vt)
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{
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// Unsure why the output is not sent to vt 0
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if(vt != 1)
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return;
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term.write(new Uint8Array(buf));
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}
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function readData(str)
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{
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if(cxReadFunc == null)
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return;
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for(var i=0;i<str.length;i++)
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cxReadFunc(str.charCodeAt(i));
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}
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term.onData(readData);
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function hddCallback(state)
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{
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var h = document.getElementById("hddactivity");
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if(state == "ready")
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h.textContent = "\u{1F7E2}";
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else
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h.textContent = "\u{1F7E0}";
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}
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function cpuCallback(state)
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{
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var h = document.getElementById("cpuactivity");
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if(state == "ready")
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h.textContent = "\u{1F7E2}";
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else
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h.textContent = "\u{1F7E0}";
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}
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//Actual CheerpX and init specific logic
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async function runInit()
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{
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if (typeof SharedArrayBuffer === "undefined")
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{
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printOnTerm.printError(printOnTerm.getSharedArrayBufferMissingMessage());
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return;
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}
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let networkInterface = setupNetworkInterface();
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async function runTest(cx)
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{
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cx.registerCallback("cpuActivity", cpuCallback);
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cx.registerCallback("diskActivity", hddCallback);
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registerNetworkLogin(cx, networkInterface);
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term.scrollToBottom();
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cxReadFunc = cx.setCustomConsole(writeData, term.cols, term.rows);
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function preventDefaults (e) {
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e.preventDefault()
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e.stopPropagation()
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}
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consoleDiv.addEventListener("dragover", preventDefaults, false);
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consoleDiv.addEventListener("dragenter", preventDefaults, false);
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consoleDiv.addEventListener("dragleave", preventDefaults, false);
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consoleDiv.addEventListener("drop", preventDefaults, false);
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const canvas = document.getElementById("canvas");
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cx.setKmsCanvas(canvas, 1024, 768);
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var opts = {uid: 0, git: 0};
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cx.run("/sbin/init", [], opts);
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}
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function failCallback(err)
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{
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printOnTerm.printError(printOnTerm.getErrorMessage(err));
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}
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var params = new URLSearchParams(location.search);
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var protocol = params.get("setProtocol");
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if(!protocol)
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protocol = "https:";
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var blockDevice = await CheerpX.CloudDevice.create(protocol + "//disks-staging.webvm.io/alpine_20240307_i3_slimmed.ext2");
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var overlayDevice = await CheerpX.OverlayDevice.create(blockDevice, await CheerpX.IDBDevice.create("block2"));
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var webDevice = await CheerpX.WebDevice.create("");
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var dataDevice = await CheerpX.DataDevice.create();
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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);
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}
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function initialMessage()
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{
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console.log("Welcome. We appreciate curiosity, but be warned that keeping the DevTools open causes significant performance degradation and crashes.");
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}
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initialMessage();
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async function loadCX()
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{
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// Find the latest build
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var r = await fetch("https://cheerpxdemos.leaningtech.com/publicdeploy/LATEST.txt");
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var url = await r.text();
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url = url.trim();
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = url;
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script.addEventListener("load", runInit, false);
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document.head.appendChild(script);
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}
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loadCX();
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</script>
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</body>
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</html>
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