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chore: lint ./app/server/app.js #242

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This commit is contained in:
Bill Church 2021-05-13 09:00:09 -04:00
parent c3d63fa3c1
commit 8fb819d505
1 changed files with 29 additions and 27 deletions
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54
app/server/app.js
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@ -1,15 +1,16 @@
'use strict' 'use strict'
/* jshint esversion: 6, asi: true, node: true */ /* jshint esversion: 6, asi: true, node: true */
/* eslint no-unused-expressions: ["error", { "allowShortCircuit": true, "allowTernary": true }] */
// app.js // app.js
var path = require('path') const path = require('path')
var fs = require('fs') const fs = require('fs')
var nodeRoot = path.dirname(require.main.filename) const nodeRoot = path.dirname(require.main.filename)
var configPath = path.join(nodeRoot, 'config.json') const configPath = path.join(nodeRoot, 'config.json')
var publicPath = path.join(nodeRoot, 'client', 'public') const publicPath = path.join(nodeRoot, 'client', 'public')
console.log('WebSSH2 service reading config from: ' + configPath) console.log('WebSSH2 service reading config from: ' + configPath)
var express = require('express') const express = require('express')
var logger = require('morgan') const logger = require('morgan')
// sane defaults if config.json or parts are missing // sane defaults if config.json or parts are missing
let config = { let config = {
@ -95,7 +96,7 @@ let config = {
try { try {
if (fs.existsSync(configPath)) { if (fs.existsSync(configPath)) {
console.log('ephemeral_auth service reading config from: ' + configPath) console.log('ephemeral_auth service reading config from: ' + configPath)
config = require('read-config-ng')(configPath) config = require('read-config-ng')(configPath) // eslint-disable-line
} else { } else {
console.error('\n\nERROR: Missing config.json for webssh. Current config: ' + JSON.stringify(config)) console.error('\n\nERROR: Missing config.json for webssh. Current config: ' + JSON.stringify(config))
console.error('\n See config.json.sample for details\n\n') console.error('\n See config.json.sample for details\n\n')
@ -106,22 +107,22 @@ try {
console.error('ERROR:\n\n ' + err) console.error('ERROR:\n\n ' + err)
} }
var session = require('express-session')({ const session = require('express-session')({
secret: config.session.secret, secret: config.session.secret,
name: config.session.name, name: config.session.name,
resave: true, resave: true,
saveUninitialized: false, saveUninitialized: false,
unset: 'destroy' unset: 'destroy'
}) })
var app = express() const app = express()
var server = require('http').Server(app) const server = require('http').Server(app)
var myutil = require('./util') const myutil = require('./util')
myutil.setDefaultCredentials(config.user.name, config.user.password, config.user.privatekey) myutil.setDefaultCredentials(config.user.name, config.user.password, config.user.privatekey)
var validator = require('validator') const validator = require('validator')
var io = require('socket.io')(server, { serveClient: false, path: '/ssh/socket.io', origins: config.http.origins }) const io = require('socket.io')(server, { serveClient: false, path: '/ssh/socket.io', origins: config.http.origins })
var socket = require('./socket') const socket = require('./socket')
var expressOptions = require('./expressOptions') const expressOptions = require('./expressOptions')
var favicon = require('serve-favicon') const favicon = require('serve-favicon')
// express // express
app.use(safeShutdownGuard) app.use(safeShutdownGuard)
@ -137,7 +138,7 @@ app.use('/ssh', express.static(publicPath, expressOptions))
app.use(favicon(path.join(publicPath, 'favicon.ico'))) app.use(favicon(path.join(publicPath, 'favicon.ico')))
app.get('/ssh/reauth', function (req, res, next) { app.get('/ssh/reauth', function (req, res, next) {
var r = req.headers.referer || '/' const r = req.headers.referer || '/'
res.status(401).send('<!DOCTYPE html><html><head><meta http-equiv="refresh" content="0; url=' + r + '"></head><body bgcolor="#000"></body></html>') res.status(401).send('<!DOCTYPE html><html><head><meta http-equiv="refresh" content="0; url=' + r + '"></head><body bgcolor="#000"></body></html>')
}) })
@ -197,17 +198,18 @@ app.use(function (err, req, res, next) {
// socket.io // socket.io
// expose express session with socket.request.session // expose express session with socket.request.session
io.use(function (socket, next) { io.use(function (socket, next) {
(socket.request.res) ? session(socket.request, socket.request.res, next) (socket.request.res)
: next(next) ? session(socket.request, socket.request.res, next)
: next(next) // eslint disable-line
}) })
// bring up socket // bring up socket
io.on('connection', socket) io.on('connection', socket)
// safe shutdown // safe shutdown
var shutdownMode = false let shutdownMode = false
var shutdownInterval = 0 let shutdownInterval = 0
var connectionCount = 0 let connectionCount = 0
function safeShutdownGuard (req, res, next) { function safeShutdownGuard (req, res, next) {
if (shutdownMode) res.status(503).end('Service unavailable: Server shutting down') if (shutdownMode) res.status(503).end('Service unavailable: Server shutting down')
@ -228,10 +230,10 @@ const signals = ['SIGTERM', 'SIGINT']
signals.forEach(signal => process.on(signal, function () { signals.forEach(signal => process.on(signal, function () {
if (shutdownMode) stop('Safe shutdown aborted, force quitting') if (shutdownMode) stop('Safe shutdown aborted, force quitting')
else if (connectionCount > 0) { else if (connectionCount > 0) {
var remainingSeconds = config.safeShutdownDuration let remainingSeconds = config.safeShutdownDuration
shutdownMode = true shutdownMode = true
const message = (connectionCount === 1)
var message = (connectionCount === 1) ? ' client is still connected' ? ' client is still connected'
: ' clients are still connected' : ' clients are still connected'
console.error(connectionCount + message) console.error(connectionCount + message)
console.error('Starting a ' + remainingSeconds + ' seconds countdown') console.error('Starting a ' + remainingSeconds + ' seconds countdown')