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#!/usr/bin/env node

/**
 * Module dependencies.
 */

var app = require('../app')
var debug = require('debug')('bas:server')
// var http = require('http')
var https = require('https')
const syswidecas = require('syswide-cas')
/* Load DFN certificates */
syswidecas.addCAs('/etc/ssl/certs/DFN_Verein_Certification_Authority_2.pem')
syswidecas.addCAs('/etc/ssl/certs/DFN_Verein_Global_Issuing_CA.pem')
var fs = require('fs')

/* global __appdir */
var path = require('path')
var config = require(path.join(__appdir, 'config', 'config')).https

/**
 * Get port from environment and store in Express.
 */

var port = normalizePort(process.env.BAS_PORT || config.port || '8000')
app.set('port', port)

/**
 * Create HTTP server.
 */

var options = {
  key: fs.readFileSync('./bin/privkey.pem'),
  cert: fs.readFileSync('./bin/fullchain.pem')
}
var server = https.createServer(options, app)

/**
 * Setup socket.io.
 */

var io = require(path.join(__appdir, 'lib', 'socketio'))
io.attach(server)

/**
 * Listen on provided port, on all network interfaces.
 */

server.listen(port)
server.on('error', onError)
server.on('listening', onListening)

/**
 * Normalize a port into a number, string, or false.
 */

function normalizePort (val) {
  var port = parseInt(val, 10)

  if (isNaN(port)) {
    // named pipe
    return val
  }

  if (port >= 0) {
    // port number
    return port
  }

  return false
}

/**
 * Event listener for HTTP server 'error' event.
 */

function onError (error) {
  if (error.syscall !== 'listen') {
    throw error
  }

  var bind = typeof port === 'string'
    ? 'Pipe ' + port
    : 'Port ' + port

  // handle specific listen errors with friendly messages
  switch (error.code) {
    case 'EACCES':
      console.error(bind + ' requires elevated privileges')
      process.exit(1)
      //      break
    case 'EADDRINUSE':
      console.error(bind + ' is already in use')
      process.exit(1)
      //      break
    default:
      throw error
  }
}

/**
 * Event listener for HTTP server 'listening' event.
 */

function onListening () {
  var addr = server.address()
  var bind = typeof addr === 'string'
    ? 'pipe ' + addr
    : 'port ' + addr.port
  debug('Listening on ' + bind)
}