140 lines
3.1 KiB
JavaScript
Executable File
140 lines
3.1 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* blessed-telnet.js
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* https://github.com/chjj/blessed
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* Copyright (c) 2013-2015, Christopher Jeffrey (MIT License)
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* A blessed telnet server.
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* See: https://github.com/TooTallNate/node-telnet
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*/
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process.title = 'blessed-telnet';
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var fs = require('fs');
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var path = require('path');
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var blessed = require('blessed');
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var telnet = require('telnet');
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var server = telnet.createServer(function(client) {
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client.do.transmit_binary();
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client.do.terminal_type();
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client.do.window_size();
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client.do.environment_variables();
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client.on('debug', function(msg) {
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console.error(msg);
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});
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client.on('environment variables', function(data) {
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if (data.command === 'sb') {
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if (data.name === 'TERM') {
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screen.terminal = data.value;
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} else {
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// Clear the screen since they may have used `env send [var]`.
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screen.realloc();
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}
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screen.render();
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}
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});
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client.on('terminal type', function(data) {
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if (data.command === 'sb' && data.name) {
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screen.terminal = data.name;
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screen.render();
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}
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});
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client.on('window size', function(data) {
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if (data.command === 'sb') {
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client.columns = data.columns;
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client.rows = data.rows;
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client.emit('resize');
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}
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});
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// Make the client look like a tty:
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client.setRawMode = function(mode) {
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client.isRaw = mode;
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if (!client.writable) return;
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if (mode) {
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client.do.suppress_go_ahead();
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client.will.suppress_go_ahead();
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client.will.echo();
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} else {
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client.dont.suppress_go_ahead();
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client.wont.suppress_go_ahead();
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client.wont.echo();
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}
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};
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client.isTTY = true;
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client.isRaw = false;
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client.columns = 80;
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client.rows = 24;
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var screen = blessed.screen({
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smartCSR: true,
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input: client,
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output: client,
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terminal: 'xterm-256color',
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fullUnicode: true
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});
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client.on('close', function() {
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if (!screen.destroyed) {
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screen.destroy();
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}
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});
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screen.on('destroy', function() {
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if (client.writable) {
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client.destroy();
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}
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});
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if (test === 'widget-simple') {
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return simpleTest(screen);
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}
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loadTest(screen, test);
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});
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function simpleTest(screen) {
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screen.data.main = blessed.box({
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parent: screen,
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width: '80%',
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height: '90%',
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border: 'line',
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content: 'Welcome to my server. Here is your own private session.',
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style: {
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bg: 'red'
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}
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});
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screen.key('i', function() {
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screen.data.main.style.bg = 'blue';
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screen.render();
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});
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screen.key(['C-c', 'q'], function(ch, key) {
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screen.destroy();
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});
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screen.render();
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}
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var test = process.argv[2] || path.resolve(__dirname, '../test/widget-shadow.js');
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if (~test.indexOf('widget-png.js')) process.argv.length = 2;
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test = path.resolve(process.cwd(), test);
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function loadTest(screen, name) {
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var Screen = blessed.screen;
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blessed.screen = function() { return screen; };
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var path = require.resolve(name);
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delete require.cache[path];
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require(name);
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blessed.screen = Screen;
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}
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server.listen(2300);
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console.log('Listening on 2300...');
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