diff --git a/demo/server.js b/demo/server.js index 37df9916..c41110ff 100644 --- a/demo/server.js +++ b/demo/server.js @@ -10,7 +10,6 @@ function startServer() { var terminals = {}, logs = {}; - app.use('/build', express.static(__dirname + '/../build')); app.use('/src', express.static(__dirname + '/../src')); app.get('/', function(req, res){ diff --git a/demo/zmodem/app.js b/demo/zmodem/app.js deleted file mode 100644 index 7124c222..00000000 --- a/demo/zmodem/app.js +++ /dev/null @@ -1,87 +0,0 @@ -var express = require('express'); -var app = express(); -var expressWs = require('express-ws')(app); -var os = require('os'); -var pty = require('node-pty'); - -var terminals = {}, - logs = {}; - -app.use('/build', express.static(__dirname + '/../../build')); -app.use('/demo', express.static(__dirname + '/../../demo')); -app.use('/zmodemjs', express.static(__dirname + '/../../node_modules/zmodem.js/dist')); - -app.get('/', function(req, res){ - res.sendFile(__dirname + '/index.html'); -}); - -app.get('/style.css', function(req, res){ - res.sendFile(__dirname + '../style.css'); -}); - -app.get('/main.js', function(req, res){ - res.sendFile(__dirname + '/main.js'); -}); - -app.post('/terminals', function (req, res) { - var cols = parseInt(req.query.cols), - rows = parseInt(req.query.rows), - term = pty.spawn(process.platform === 'win32' ? 'cmd.exe' : 'bash', [], { - encoding: null, - name: 'xterm-color', - cols: cols || 80, - rows: rows || 24, - cwd: process.env.PWD, - env: process.env - }); - - console.log('Created terminal with PID: ' + term.pid); - terminals[term.pid] = term; - logs[term.pid] = ''; - term.on('data', function(data) { - logs[term.pid] += data; - }); - res.send(term.pid.toString()); - res.end(); -}); - -app.post('/terminals/:pid/size', function (req, res) { - var pid = parseInt(req.params.pid), - cols = parseInt(req.query.cols), - rows = parseInt(req.query.rows), - term = terminals[pid]; - - term.resize(cols, rows); - console.log('Resized terminal ' + pid + ' to ' + cols + ' cols and ' + rows + ' rows.'); - res.end(); -}); - -app.ws('/terminals/:pid', function (ws, req) { - var term = terminals[parseInt(req.params.pid)]; - console.log('Connected to terminal ' + term.pid); - ws.send(logs[term.pid]); - - term.on('data', function(data) { - try { - ws.send(data); - } catch (ex) { - // The WebSocket is not open, ignore - } - }); - ws.on('message', function(msg) { - term.write(msg); - }); - ws.on('close', function () { - term.kill(); - console.log('Closed terminal ' + term.pid); - // Clean things up - delete terminals[term.pid]; - delete logs[term.pid]; - }); -}); - -var port = process.env.PORT || 3000, - host = os.platform() === 'win32' ? '127.0.0.1' : '0.0.0.0'; - -console.log('App listening to http://' + host + ':' + port); -app.listen(port, host); diff --git a/demo/zmodem/index.html b/demo/zmodem/index.html deleted file mode 100644 index aee7742a..00000000 --- a/demo/zmodem/index.html +++ /dev/null @@ -1,128 +0,0 @@ - - - - xterm.js demo - - - - - - - - - - - - - - - - -

xterm.js: xterm, in the browser

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Attention: The demo is a barebones implementation and is designed for xterm.js evaluation purposes only. Exposing the demo to the public as is would introduce security risks for the host.

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* ZMODEM file transfers are supported via an addon. To try it out, install lrzsz onto the remote peer, then run rz to send from your browser or sz <file> to send from the remote peer.

- - - diff --git a/demo/zmodem/main.js b/demo/zmodem/main.js deleted file mode 100644 index 619ef2b8..00000000 --- a/demo/zmodem/main.js +++ /dev/null @@ -1,388 +0,0 @@ -"use strict"; - -var term, - protocol, - socketURL, - socket, - pid; - -Terminal.applyAddon(fit); -Terminal.applyAddon(attach); -Terminal.applyAddon(zmodem); -Terminal.applyAddon(search); - -var terminalContainer = document.getElementById('terminal-container'), - actionElements = { - findNext: document.querySelector('#find-next'), - findPrevious: document.querySelector('#find-previous') - }, - optionElements = { - cursorBlink: document.querySelector('#option-cursor-blink'), - cursorStyle: document.querySelector('#option-cursor-style'), - scrollback: document.querySelector('#option-scrollback'), - tabstopwidth: document.querySelector('#option-tabstopwidth'), - bellStyle: document.querySelector('#option-bell-style') - }, - colsElement = document.getElementById('cols'), - rowsElement = document.getElementById('rows'); - -function setTerminalSize() { - var cols = parseInt(colsElement.value, 10); - var rows = parseInt(rowsElement.value, 10); - var viewportElement = document.querySelector('.xterm-viewport'); - var scrollBarWidth = viewportElement.offsetWidth - viewportElement.clientWidth; - var width = (cols * term.charMeasure.width + 20 /*room for scrollbar*/).toString() + 'px'; - var height = (rows * term.charMeasure.height).toString() + 'px'; - - terminalContainer.style.width = width; - terminalContainer.style.height = height; - term.resize(cols, rows); -} - -colsElement.addEventListener('change', setTerminalSize); -rowsElement.addEventListener('change', setTerminalSize); - -actionElements.findNext.addEventListener('keypress', function (e) { - if (e.key === "Enter") { - e.preventDefault(); - term.findNext(actionElements.findNext.value); - } -}); -actionElements.findPrevious.addEventListener('keypress', function (e) { - if (e.key === "Enter") { - e.preventDefault(); - term.findPrevious(actionElements.findPrevious.value); - } -}); - -optionElements.cursorBlink.addEventListener('change', function () { - term.setOption('cursorBlink', optionElements.cursorBlink.checked); -}); -optionElements.cursorStyle.addEventListener('change', function () { - term.setOption('cursorStyle', optionElements.cursorStyle.value); -}); -optionElements.bellStyle.addEventListener('change', function () { - term.setOption('bellStyle', optionElements.bellStyle.value); -}); -optionElements.scrollback.addEventListener('change', function () { - term.setOption('scrollback', parseInt(optionElements.scrollback.value, 10)); -}); -optionElements.tabstopwidth.addEventListener('change', function () { - term.setOption('tabStopWidth', parseInt(optionElements.tabstopwidth.value, 10)); -}); - -createTerminal(); - -function createTerminal() { - // Clean terminal - while (terminalContainer.children.length) { - terminalContainer.removeChild(terminalContainer.children[0]); - } - term = new Terminal({ - cursorBlink: optionElements.cursorBlink.checked, - scrollback: parseInt(optionElements.scrollback.value, 10), - tabStopWidth: parseInt(optionElements.tabstopwidth.value, 10) - }); - term.on('resize', function (size) { - if (!pid) { - return; - } - var cols = size.cols, - rows = size.rows, - url = '/terminals/' + pid + '/size?cols=' + cols + '&rows=' + rows; - - fetch(url, {method: 'POST'}); - }); - protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://'; - socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + '/terminals/'; - - term.open(terminalContainer); - term.fit(); - - // fit is called within a setTimeout, cols and rows need this. - setTimeout(function () { - colsElement.value = term.cols; - rowsElement.value = term.rows; - - // Set terminal size again to set the specific dimensions on the demo - setTerminalSize(); - - fetch('/terminals?cols=' + term.cols + '&rows=' + term.rows, {method: 'POST'}).then(function (res) { - - res.text().then(function (pid) { - window.pid = pid; - socketURL += pid; - socket = new WebSocket(socketURL); - socket.onopen = runRealTerminal; - socket.onclose = runFakeTerminal; - socket.onerror = runFakeTerminal; - - term.zmodemAttach(socket, { - noTerminalWriteOutsideSession: true, - } ); - - term.on("zmodemRetract", () => { - start_form.style.display = "none"; - start_form.onsubmit = null; - }); - - term.on("zmodemDetect", (detection) => { - function do_zmodem() { - term.detach(); - let zsession = detection.confirm(); - - var promise; - - if (zsession.type === "receive") { - promise = _handle_receive_session(zsession); - } - else { - promise = _handle_send_session(zsession); - } - - promise.catch( console.error.bind(console) ).then( () => { - term.attach(socket); - } ); - } - - if (_auto_zmodem()) { - do_zmodem(); - } - else { - start_form.style.display = ""; - start_form.onsubmit = function(e) { - start_form.style.display = "none"; - - if (document.getElementById("zmstart_yes").checked) { - do_zmodem(); - } - else { - detection.deny(); - } - }; - } - }); - }); - }); - }, 0); -} - -//---------------------------------------------------------------------- -// UI STUFF - -function _show_file_info(xfer) { - var file_info = xfer.get_details(); - - document.getElementById("name").textContent = file_info.name; - document.getElementById("size").textContent = file_info.size; - document.getElementById("mtime").textContent = file_info.mtime; - document.getElementById("files_remaining").textContent = file_info.files_remaining; - document.getElementById("bytes_remaining").textContent = file_info.bytes_remaining; - - document.getElementById("mode").textContent = "0" + file_info.mode.toString(8); - - var xfer_opts = xfer.get_options(); - ["conversion", "management", "transport", "sparse"].forEach( (lbl) => { - document.getElementById(`zfile_${lbl}`).textContent = xfer_opts[lbl]; - } ); - - document.getElementById("zm_file").style.display = ""; -} -function _hide_file_info() { - document.getElementById("zm_file").style.display = "none"; -} - -function _save_to_disk(xfer, buffer) { - return Zmodem.Browser.save_to_disk(buffer, xfer.get_details().name); -} - -var skipper_button = document.getElementById("zm_progress_skipper"); -var skipper_button_orig_text = skipper_button.textContent; - -function _show_progress() { - skipper_button.disabled = false; - skipper_button.textContent = skipper_button_orig_text; - - document.getElementById("bytes_received").textContent = 0; - document.getElementById("percent_received").textContent = 0; - - document.getElementById("zm_progress").style.display = ""; -} - -function _update_progress(xfer) { - var total_in = xfer.get_offset(); - - document.getElementById("bytes_received").textContent = total_in; - - var percent_received = 100 * total_in / xfer.get_details().size; - document.getElementById("percent_received").textContent = percent_received.toFixed(2); -} - -function _hide_progress() { - document.getElementById("zm_progress").style.display = "none"; -} - -var start_form = document.getElementById("zm_start"); - -function _auto_zmodem() { - return document.getElementById("zmodem-auto").checked; -} - -// END UI STUFF -//---------------------------------------------------------------------- - -function _handle_receive_session(zsession) { - zsession.on("offer", function(xfer) { - current_receive_xfer = xfer; - - _show_file_info(xfer); - - var offer_form = document.getElementById("zm_offer"); - - function on_form_submit() { - offer_form.style.display = "none"; - - //START - //if (offer_form.zmaccept.value) { - if (_auto_zmodem() || document.getElementById("zmaccept_yes").checked) { - _show_progress(); - - var FILE_BUFFER = []; - xfer.on("input", (payload) => { - _update_progress(xfer); - FILE_BUFFER.push( new Uint8Array(payload) ); - }); - xfer.accept().then( - () => { - _save_to_disk(xfer, FILE_BUFFER); - }, - console.error.bind(console) - ); - } - else { - xfer.skip(); - } - //END - } - - if (_auto_zmodem()) { - on_form_submit(); - } - else { - offer_form.onsubmit = on_form_submit; - offer_form.style.display = ""; - } - } ); - - var promise = new Promise( (res) => { - zsession.on("session_end", () => { - _hide_file_info(); - _hide_progress(); - res(); - } ); - } ); - - zsession.start(); - - return promise; -} - -function _handle_send_session(zsession) { - var choose_form = document.getElementById("zm_choose"); - choose_form.style.display = ""; - - var file_el = document.getElementById("zm_files"); - - var promise = new Promise( (res) => { - file_el.onchange = function(e) { - choose_form.style.display = "none"; - - var files_obj = file_el.files; - - Zmodem.Browser.send_files( - zsession, - files_obj, - { - on_offer_response(obj, xfer) { - if (xfer) _show_progress(); - //console.log("offer", xfer ? "accepted" : "skipped"); - }, - on_progress(obj, xfer) { - _update_progress(xfer); - }, - on_file_complete(obj) { - //console.log("COMPLETE", obj); - _hide_progress(); - }, - } - ).then(_hide_progress).then( - zsession.close.bind(zsession), - console.error.bind(console) - ).then( () => { - _hide_file_info(); - _hide_progress(); - res(); - } ); - }; - } ); - - return promise; -} - -//This is here to allow canceling of an in-progress ZMODEM transfer. -var current_receive_xfer; - -//Called from HTML directly. -function skip_current_file() { - current_receive_xfer.skip(); - - skipper_button.disabled = true; - skipper_button.textContent = "Waiting for server to acknowledge skip …"; -} - -function runRealTerminal() { - term.attach(socket); - - term._initialized = true; -} - -function runFakeTerminal() { - if (term._initialized) { - return; - } - - term._initialized = true; - - var shellprompt = '$ '; - - term.prompt = function () { - term.write('\r\n' + shellprompt); - }; - - term.writeln('Welcome to xterm.js'); - term.writeln('This is a local terminal emulation, without a real terminal in the back-end.'); - term.writeln('Type some keys and commands to play around.'); - term.writeln(''); - term.prompt(); - - term.on('key', function (key, ev) { - var printable = ( - !ev.altKey && !ev.altGraphKey && !ev.ctrlKey && !ev.metaKey - ); - - if (ev.keyCode == 13) { - term.prompt(); - } else if (ev.keyCode == 8) { - // Do not delete the prompt - if (term.x > 2) { - term.write('\b \b'); - } - } else if (printable) { - term.write(key); - } - }); - - term.on('paste', function (data, ev) { - term.write(data); - }); -}