ztncui/bin/www
2017-12-29 21:39:16 +08:00

117 lines
2.6 KiB
JavaScript
Executable File

#!/usr/bin/env node
/**
* Module dependencies.
*/
const app = require('../app');
const debug = require('debug')('ztncui:server');
const http = require('http');
const https = require('https');
const fs = require('fs');
const options = {
cert: fs.readFileSync('etc/tls/fullchain.pem'),
key: fs.readFileSync('etc/tls/privkey.pem')
}
/**
* Get ports from environment and store in Express.
*/
const http_port = normalizePort(process.env.HTTP_PORT || '3000');
app.set('http_port', http_port);
const https_port = normalizePort(process.env.HTTPS_PORT || null);
app.set('https_port', https_port);
/**
* Get interface address on which to listen for HTTPS requests from env.
*/
const https_host = process.env.HTTPS_HOST || null;
app.set('https_host', https_host);
/**
* Create HTTPS server and listen on localhost only for HTTP and
* on all network interfaces for HTTPS if HTTPS_PORT is set in env,
* or on specific interface if HTTPS_HOST is set in env.
*/
app.listen(http_port, 'localhost');
const server = https.createServer(options, app);
if (https_port) {
if (https_host) {
console.log('Listening for HTTPS requests on port ' + https_port + ' on address ' + https_host);
} else {
console.log('Listening for HTTPS requests on port ' + https_port + ' on all interfaces');
}
server.listen(https_port, https_host);
}
server.on('error', onError);
server.on('listening', onListening);
/**
* Normalize a port into a number, string, or false.
*/
function normalizePort(val) {
const port = parseInt(val, 10);
if (isNaN(port)) {
// named pipe
return val;
}
if (port >= 0) {
// port number
return port;
}
return false;
}
/**
* Event listener for HTTP/S server "error" event.
*/
function onError(error) {
if (error.syscall !== 'listen') {
throw error;
}
const bind = typeof http_port === 'string'
? 'Pipe ' + http_port
: 'Port ' + http_port;
const sbind = typeof https_port === 'string'
? 'Pipe ' + https_port
: 'Port ' + https_port;
// handle specific listen errors with friendly messages
switch (error.code) {
case 'EACCES':
console.error(bind + ' and ' + sbind + ' require elevated privileges');
process.exit(1);
break;
case 'EADDRINUSE':
console.error(bind + ' and/or ' + sbind + ' already in use');
process.exit(1);
break;
default:
throw error;
}
}
/**
* Event listener for HTTPS server "listening" event.
*/
function onListening() {
const addr = server.address();
const bind = typeof addr === 'string'
? 'pipe ' + addr
: 'port ' + addr.port;
debug('Listening on ' + bind);
}