webssh2/app/server/config.js
2024-07-06 10:01:39 +00:00

143 lines
3.7 KiB
JavaScript

/* eslint no-unused-expressions: ["error", { "allowShortCircuit": true, "allowTernary": true }],
no-console: ["error", { allow: ["warn", "error", "info"] }] */
const fs = require('fs');
const path = require('path');
const debugWebSSH2 = require('debug')('WebSSH2');
const crypto = require('crypto');
const util = require('util');
const readconfig = require('read-config-ng');
const nodeRoot = path.dirname(require.main.filename);
const configPath = path.join(nodeRoot, 'config.json');
let myConfig;
// establish defaults
const configDefault = {
listen: {
ip: '0.0.0.0',
port: 2222,
},
socketio: {
serveClient: false,
path: '/ssh/socket.io',
origins: ['localhost:2222'],
},
ssh_proxy: {
ssh_proxy_enabled: false,
ssh_proxy_host: null,
ssh_proxy_user: null,
ssh_proxy_password: null,
ssh_proxy_privatekey: null,
},
express: {
secret: crypto.randomBytes(20).toString('hex'),
name: 'WebSSH2',
resave: true,
saveUninitialized: false,
unset: 'destroy',
ssh: {
dotfiles: 'ignore',
etag: false,
extensions: ['htm', 'html'],
index: false,
maxAge: '1s',
redirect: false,
setHeaders(res) {
res.set('x-timestamp', Date.now());
},
},
},
user: {
name: null,
password: null,
privatekey: null,
overridebasic: false,
},
ssh: {
host: null,
port: 22,
term: 'xterm-color',
readyTimeout: 20000,
keepaliveInterval: 120000,
keepaliveCountMax: 10,
allowedSubnets: [],
},
terminal: {
cursorBlink: true,
scrollback: 10000,
tabStopWidth: 8,
bellStyle: 'sound',
},
header: {
text: null,
background: 'green',
},
options: {
challengeButton: true,
allowreauth: true,
},
algorithms: {
kex: [
'ecdh-sha2-nistp256',
'ecdh-sha2-nistp384',
'ecdh-sha2-nistp521',
'diffie-hellman-group-exchange-sha256',
'diffie-hellman-group14-sha1',
],
cipher: [
'aes128-ctr',
'aes192-ctr',
'aes256-ctr',
'aes128-gcm',
'aes128-gcm@openssh.com',
'aes256-gcm',
'aes256-gcm@openssh.com',
'aes256-cbc',
],
hmac: ['hmac-sha2-256', 'hmac-sha2-512', 'hmac-sha1'],
compress: ['none', 'zlib@openssh.com', 'zlib'],
},
serverlog: {
client: false,
server: false,
},
accesslog: false,
verify: false,
safeShutdownDuration: 300,
};
// test if config.json exists, if not provide error message but try to run anyway
try {
if (!fs.existsSync(configPath)) {
console.error(
`\n\nERROR: Missing config.json for WebSSH2. Current config: ${util.inspect(myConfig)}`
);
console.error('\n See config.json.sample for details\n\n');
}
console.info(`WebSSH2 service reading config from: ${configPath}`);
const configFile = readconfig(configPath, { override: true });
// myConfig = merger.mergeObjects([configDefault, configFile]);
myConfig = { ...configDefault, ...configFile };
debugWebSSH2(`\nCurrent config: ${util.inspect(myConfig)}`);
} catch (err) {
myConfig = configDefault;
console.error(
`\n\nERROR: Missing config.json for WebSSH2. Current config: ${util.inspect(myConfig)}`
);
console.error('\n See config.json.sample for details\n\n');
console.error(`ERROR:\n\n ${err}`);
}
const config = myConfig;
if (process.env.LISTEN) config.listen.ip = process.env.LISTEN;
if (process.env.PORT) config.listen.port = process.env.PORT;
if (process.env.SOCKETIO_ORIGINS) config.socketio.origins = process.env.SOCKETIO_ORIGINS;
if (process.env.SOCKETIO_PATH) config.socketio.path = process.env.SOCKETIO_PATH;
if (process.env.SOCKETIO_SERVECLIENT)
config.socketio.serveClient = process.env.SOCKETIO_SERVECLIENT;
module.exports = config;