From 151a4eda64867f7fbfb4e515aa69ff8c432b96d0 Mon Sep 17 00:00:00 2001
From: Alessandro Pignotti <a.pignotti@sssup.it>
Date: Tue, 16 May 2023 16:17:24 +0200
Subject: [PATCH] Deprecate the tinycore demo

---
 tinycore.html | 275 --------------------------------------------------
 1 file changed, 275 deletions(-)
 delete mode 100644 tinycore.html
diff --git a/tinycore.html b/tinycore.html
deleted file mode 100644
index 6bbeadb..0000000
--- a/tinycore.html
+++ /dev/null
@@ -1,275 +0,0 @@
-<!DOCTYPE html>
-
-<!-- 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>
-
-<html lang="en" style="height:100%;">
-  <head>
-    <meta charset="utf-8">
-    <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:url" content="/">
-    <meta property="og:image" content="https://webvm.io/assets/welcome_to_WebVM_.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/welcome_to_WebVM_.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&amp;display=swap&amp;ver=6.0.2" media="all">
-    <link rel="stylesheet" href="./xterm/xterm.css" />
-    <link rel="stylesheet" href="./scrollbar.css" />
-    <script src="./xterm/xterm.js"></script>
-    <script src="./xterm/xterm-addon-fit.js"></script>
-    <script>
-        window.networkInterface = { ready: false };
-    </script>
-    <script type="module" src="network.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%;">
-
-    <header style="flex-grow:0; flex-srink: 0;height:80px; width: 100%; margin: 2px 0 2px 0;">
-      <div style="display: flex; flex-direction: row; justify-content: space-between; width: 100%;">
-        <div style="display: flex; flex-direction: row;">
-          <a href="https://leaningtech.com/" target="_blank">
-            <img src="./assets/leaningtech.png" style="margin-left: 10px; height: 60px; margin-top: 10px;">
-          </a>
-        </div>
-        <div style="display: flex; flex-direction: row; justify-content: space-before;">
-          <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
-            <a href="https://discord.leaningtech.com" target="_blank"  style="text-decoration: none">
-              <div style="color: white; font-family: montserrat; font-weight: 700; font-size: large;">Discord</div>
-            </a>
-          </li>
-          <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
-            <a href="https://github.com/leaningtech/webvm" target="_blank" style="text-decoration: none" >
-              <div style="color: white; font-family: montserrat; font-weight: 700; font-size: large;">Github</div>
-            </a>
-          </li>
-          <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
-            <a id="loginLink" style="text-decoration: none; cursor:not-allowed;">
-              <div id="networkStatus" style="color: grey; font-family: montserrat; font-weight: 700; font-size: large;">Tailscale Login</div>
-            </a>
-          </li>
-        </div>
-      </div>
-    </header>
-    <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:0; 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 = {
-		getAsciiTitle: function ()
-		{
-			var title = [
-				color + "                        __      __   _  __   ____  __       " + normal,
-				color + "                        \\ \\    / /__| |_\\ \\ / /  \\/  | " + normal,
-				color + "                         \\ \\/\\/ / -_) '_ \\ V /| |\\/| | " + normal,
-				color + "                          \\_/\\_/\\___|_.__/\\_/ |_|  |_|  " + normal,
-
-			];
-			return title;
-		},
-		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.                                  |",
-				"|                                                                             |",
-				"| [NEW!] WebVM now supports full TCP and UDP networking via Tailscale!        |",
-				"| Click on 'Tailscale Login' to enable it. Read the announcement:             |",
-				"|                                                                             |",
-				"| " + underline + "https://leaningtech.com/webvm-virtual-machine-with-networking-via-tailscale" + normal +" |",
-				"|                                                                             |",
-				"+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+",
-				"",
-				"   Welcome to WebVM (build CX_VERSION). 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 text = [
-				"",
-				"",
-				color + "CheerpX could not start" + normal,
-				"",
-				"CheerpX depends on JavaScript's SharedArrayBuffer, that your browser",
-				"     does not support.",
-				"",
-				"SharedArrayBuffer is currently enabled by default on recent",
-				"     versions of Chrome, Edge, Firefox and Safari.",
-				"",
-				"",
-				"Give it a try from another browser!",
-				]
-
-			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);
-	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);
-
-	//Actual CheerpX and init specific logic
-	function runInit()
-	{
-		if (typeof SharedArrayBuffer === "undefined")
-		{
-			printOnTerm.printError(printOnTerm.getSharedArrayBufferMissingMessage());
-			return;
-		}
-
-		async function runTest(cx)
-		{
-			term.scrollToBottom();
-
-			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 = {uid:0};
-      cx.run("/init", [], opts);
-		}
-		function failCallback(err)
-		{
-			printOnTerm.printError(printOnTerm.getErrorMessage(err));
-		}
-					CheerpXApp.create({devices:[{type:"block",url:"https://disks.leaningtech.com/tc_nographic_20221117.ext2",name:"block1"}],mounts:[{type:"ext2",dev:"block1",path:"/"},{type:"cheerpOS",dev:"/app",path:"/app"}], networkInterface}).then(runTest, failCallback);
-	}
-	function initialMessage()
-	{
-		console.log("Welcome. We appreciate curiosity, but be warned that keeping the DevTools open causes significant performance degradation and crashes.");
-	}
-	initialMessage();
-
-	var script = document.createElement('script');
-	script.type = 'text/javascript';
-
-	var cxFile = "https://cheerpxdemos.leaningtech.com/publicdeploy/CX_VERSION/cx.js";
-	script.src = cxFile;
-	script.addEventListener("load", runInit, false);
-
-	document.head.appendChild(script);
-
-    </script>
-<!-- Google tag (gtag.js) -->
-<script defer src="https://www.googletagmanager.com/gtag/js?id=G-818T3Y0PEY"></script>
-<script defer>
-  window.dataLayer = window.dataLayer || [];
-  function gtag(){dataLayer.push(arguments);}
-  gtag('js', new Date());
-
-  gtag('config', 'G-818T3Y0PEY');
-</script>
-  </body>
-</html>
-
