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| # support source maps
require('source-map-support').install()
# Set app root global
path = require 'path'
global.appRoot = path.join path.resolve(__dirname), '..'
config = require "./config/config"
config.mongo = config.get('mongo')
config.authentication = config.get('authentication')
config.router = config.get('router')
config.api = config.get('api')
config.rerun = config.get('rerun')
config.tcpAdapter = config.get('tcpAdapter')
config.logger = config.get('logger')
config.alerts = config.get('alerts')
config.polling = config.get('polling')
config.reports = config.get('reports')
config.auditing = config.get('auditing')
config.agenda = config.get('agenda')
config.certificateManagement = config.get('certificateManagement')
himSourceID = config.get('auditing').auditEvents.auditSourceID
mongoose = require "mongoose"
exports.connectionDefault = connectionDefault = mongoose.createConnection(config.mongo.url)
exports.connectionATNA = connectionATNA = mongoose.createConnection(config.mongo.atnaUrl)
fs = require 'fs'
http = require 'http'
https = require 'https'
tls = require 'tls'
net = require 'net'
dgram = require 'dgram'
koaMiddleware = require "./koaMiddleware"
koaApi = require "./koaApi"
tlsAuthentication = require "./middleware/tlsAuthentication"
uuid = require 'node-uuid'
Q = require 'q'
logger = require 'winston'
require('winston-mongodb').MongoDB
logger.remove logger.transports.Console
cluster = require 'cluster'
numCPUs = require('os').cpus().length
nconf = require 'nconf'
atna = require 'atna-audit'
os = require 'os'
currentVersion = require('../package.json').version
User = require('./model/users').User
Keystore = require('./model/keystore').Keystore
pem = require 'pem'
Agenda = require 'agenda'
alerts = require './alerts'
reports = require './reports'
polling = require './polling'
tcpAdapter = require './tcpAdapter'
auditing = require './auditing'
tasks = require './tasks'
upgradeDB = require './upgradeDB'
autoRetry = require './autoRetry'
clusterArg = nconf.get 'cluster'
# Configure clustering if relevent
if cluster.isMaster and not module.parent
# configure master logger
logger.add logger.transports.Console,
colorize: true
timestamp: true
label: "master"
level: config.logger.level
if config.logger.logToDB is true
logger.add logger.transports.MongoDB,
db: config.mongo.url
label: "master"
level: 'debug'
capped: config.logger.capDBLogs
cappedSize: config.logger.capSize
if not clusterArg?
clusterArg = 1
if clusterArg is 'auto'
clusterSize = numCPUs
else
clusterSize = clusterArg
if typeof clusterSize isnt 'number' or clusterSize % 1 isnt 0 or clusterSize < 1
throw new Error "invalid --cluster argument entered: #{clusterArg}. Please enter a positive number or 'auto'."
logger.info "Running OpenHIM Core JS version #{currentVersion}"
logger.info "Clustering the OpenHIM with #{clusterSize} workers..."
addWorker = () ->
worker = cluster.fork()
worker.on 'message', (msg) ->
logger.debug "Message received from worker #{worker.id}", msg
if msg.type is 'restart-all'
# restart all workers
logger.debug "Restarting all workers..."
for id, worker of cluster.workers
logger.debug "Restarting worker #{worker.id}..."
worker.send
type: 'restart'
else if msg.type is 'start-tcp-channel'
# start tcp channel on all workers
logger.info "Starting TCP channel for channel: #{msg.channelID}"
for id, worker of cluster.workers
logger.debug "Starting TCP channel on worker #{worker.id}..."
worker.send msg
else if msg.type is 'stop-tcp-channel'
# stop tcp channel on all workers
logger.info "Stopping TCP channel for channel: #{msg.channelID}"
for id, worker of cluster.workers
logger.debug "Stopping TCP channel on worker #{worker.id}..."
worker.send msg
else if msg.type is 'get-uptime'
# send response back to worker requesting uptime
worker.send
type: 'get-uptime'
masterUptime: process.uptime()
# upgrade the database if needed
upgradeDB.upgradeDb ->
# start all workers
for i in [1..clusterSize]
addWorker()
cluster.on 'exit', (worker, code, signal) ->
logger.warn "worker #{worker.process.pid} died"
if not worker.suicide
# respawn
addWorker()
cluster.on 'online', (worker) ->
logger.info "worker with pid #{worker.process.pid} is online"
cluster.on 'listening', (worker, address) ->
logger.debug "worker #{worker.id} is now connected to #{address.address}:#{address.port}"
else
### Setup Worker ###
# configure worker logger
logger.add logger.transports.Console,
colorize: true
timestamp: true
label: "worker#{cluster.worker.id}" if cluster.worker?.id?
level: config.logger.level
if config.logger.logToDB is true
logger.add logger.transports.MongoDB,
db: config.mongo.url
label: "worker#{cluster.worker.id}" if cluster.worker?.id?
level: 'debug'
capped: config.logger.capDBLogs
cappedSize: config.logger.capSize
httpServer = null
httpsServer = null
apiHttpsServer = null
rerunServer = null
tcpHttpReceiver = null
pollingServer = null
auditUDPServer = null
auditTlsServer = null
auditTcpServer = null
activeHttpConnections = {}
activeHttpsConnections = {}
activeApiConnections = {}
activeRerunConnections = {}
activeTcpConnections = {}
activePollingConnections = {}
trackConnection = (map, socket) ->
# save active socket
id = uuid.v4()
map[id] = socket
# remove socket once it closes
socket.on 'close', ->
map[id] = null
delete map[id]
# log any socket errors
socket.on 'error', (err) ->
logger.error err
exports.isTcpHttpReceiverRunning = -> tcpHttpReceiver?
rootUser =
firstname: 'Super'
surname: 'User'
email: 'root@openhim.org'
passwordAlgorithm: 'sha512'
passwordHash: '943a856bba65aad6c639d5c8d4a11fc8bb7fe9de62ae307aec8cf6ae6c1faab722127964c71db4bdd2ea2cdf60c6e4094dcad54d4522ab2839b65ae98100d0fb'
passwordSalt: 'd9bcb40e-ae65-478f-962e-5e5e5e7d0a01'
groups: [ 'admin' ]
# password = 'openhim-password'
# Job scheduler
agenda = null
startAgenda = ->
defer = Q.defer()
agenda = new Agenda
db:
address: config.mongo.url
agenda.on "start", (job)->
logger.info "starting job: " + job.attrs.name + ", Last Ran at: " + job.attrs.lastRunAt
agenda.on "fail", (err, job)->
logger.error "Job " + job.attrs.name + " failed with " + err.message
agenda.on "complete", (job)->
logger.info "Job " + job.attrs.name + " has completed"
agenda.on "ready", () ->
alerts.setupAgenda agenda if config.alerts.enableAlerts
reports.setupAgenda agenda if config.reports.enableReports
autoRetry.setupAgenda agenda
if config.polling.enabled
polling.setupAgenda agenda, ->
# give workers a change to setup agenda tasks
setTimeout ->
agenda.start()
defer.resolve()
logger.info "Started agenda job scheduler"
, config.agenda.startupDelay
else
# Start agenda anyway for the other servers
agenda.start()
defer.resolve()
return defer.promise
stopAgenda = ->
defer = Q.defer()
agenda.stop () ->
defer.resolve()
logger.info "Stopped agenda job scheduler"
return defer.promise
startHttpServer = (httpPort, bindAddress, app) ->
deferred = Q.defer()
httpServer = http.createServer app.callback()
# set the socket timeout
httpServer.setTimeout config.router.timeout, ->
logger.info "HTTP socket timeout reached"
httpServer.listen httpPort, bindAddress, ->
logger.info "HTTP listening on port " + httpPort
deferred.resolve()
# listen for server error
httpServer.on 'error', (err) ->
logger.error "An httpServer error occured: #{err}"
# listen for client error
httpServer.on 'clientError', (err) ->
logger.error "An httpServer clientError occured: #{err}"
httpServer.on 'connection', (socket) -> trackConnection activeHttpConnections, socket
return deferred.promise
startHttpsServer = (httpsPort, bindAddress, app) ->
deferred = Q.defer()
mutualTLS = config.authentication.enableMutualTLSAuthentication
tlsAuthentication.getServerOptions mutualTLS, (err, options) ->
return done err if err
httpsServer = https.createServer options, app.callback()
# set the socket timeout
httpsServer.setTimeout config.router.timeout, ->
logger.info "HTTPS socket timeout reached"
httpsServer.listen httpsPort, bindAddress, ->
logger.info "HTTPS listening on port " + httpsPort
deferred.resolve()
# listen for server error
httpsServer.on 'error', (err) ->
logger.error "An httpsServer error occured: #{err}"
# listen for client error
httpsServer.on 'clientError', (err) ->
logger.error "An httpsServer clientError occured: #{err}"
httpsServer.on 'secureConnection', (socket) -> trackConnection activeHttpsConnections, socket
return deferred.promise
# Ensure that a root user always exists
ensureRootUser = (callback) ->
User.findOne { email: 'root@openhim.org' }, (err, user) ->
if !user
user = new User rootUser
user.save (err) ->
if err
logger.error "Could not save root user: " + err
return callback err
logger.info "Root user created."
callback()
else
callback()
# Ensure that a default keystore always exists and is up to date
ensureKeystore = (callback) ->
getServerDetails = (cert, callback) ->
pem.readCertificateInfo cert, (err, certInfo) ->
pem.getFingerprint cert, (err, fingerprint) ->
certInfo.data = cert
certInfo.fingerprint = fingerprint.fingerprint
callback certInfo
Keystore.findOne {}, (err, keystore) ->
if not keystore? # set default keystore
if config.certificateManagement.watchFSForCert # use cert from filesystem
certPath = config.certificateManagement.certPath
keyPath = config.certificateManagement.certPath
else # use default self-signed certs
certPath = "#{appRoot}/resources/certs/default/cert.pem"
keyPath = "#{appRoot}/resources/certs/default/key.pem"
cert = fs.readFileSync certPath
getServerDetails cert, (certInfo) ->
keystore = new Keystore
cert: certInfo
key: fs.readFileSync keyPath
ca: []
keystore.save (err, keystore) ->
if err
logger.error "Could not save keystore: " + err.stack
return callback err
logger.info "Default keystore created."
callback()
else if config.certificateManagement.watchFSForCert # update cert to latest
getServerDetails fs.readFileSync "#{appRoot}/resources/certs/default/cert.pem", (certInfo) ->
keystore.cert = fs.readFileSync config.certificateManagement.certPath
keystore.key = fs.readFileSync config.certificateManagement.keyPath
keystore.save (err, keystore) ->
if err
logger.error "Could not save keystore: " + err.stack
return callback err
logger.info "Updated keystore with cert and key from filesystem."
callback()
else
callback()
startApiServer = (apiPort, bindAddress, app) ->
deferred = Q.defer()
# mutualTLS not applicable for the API - set false
mutualTLS = false
tlsAuthentication.getServerOptions mutualTLS, (err, options) ->
logger.error "Could not fetch https server options: #{err}" if err
apiHttpsServer = https.createServer options, app.callback()
apiHttpsServer.listen apiPort, bindAddress, ->
logger.info "API HTTPS listening on port " + apiPort
ensureRootUser -> deferred.resolve()
apiHttpsServer.on 'secureConnection', (socket) -> trackConnection activeApiConnections, socket
return deferred.promise
startTCPServersAndHttpReceiver = (tcpHttpReceiverPort, app) ->
defer = Q.defer()
tcpHttpReceiver = http.createServer app.callback()
tcpHttpReceiver.listen tcpHttpReceiverPort, config.tcpAdapter.httpReceiver.host, ->
logger.info "HTTP receiver for Socket adapter listening on port #{tcpHttpReceiverPort}"
tcpAdapter.startupServers (err) ->
logger.error err if err
defer.resolve()
tcpHttpReceiver.on 'connection', (socket) -> trackConnection activeTcpConnections, socket
return defer.promise
startRerunServer = (httpPort, app) ->
deferredHttp = Q.defer()
rerunServer = http.createServer app.callback()
rerunServer.listen httpPort, config.rerun.host, ->
logger.info "Transaction Rerun HTTP listening on port " + httpPort
deferredHttp.resolve()
rerunServer.on 'connection', (socket) -> trackConnection activeRerunConnections, socket
return deferredHttp.promise
startPollingServer = (pollingPort, app) ->
defer = Q.defer()
pollingServer = http.createServer app.callback()
pollingServer.listen pollingPort, config.polling.host, (err) ->
logger.error err if err
logger.info 'Polling port listening on port ' + pollingPort
defer.resolve()
pollingServer.on 'connection', (socket) -> trackConnection activePollingConnections, socket
return defer.promise
startAuditUDPServer = (auditUDPPort, bindAddress) ->
defer = Q.defer()
auditUDPServer = dgram.createSocket 'udp4'
auditUDPServer.on 'listening', ->
logger.info "Auditing UDP server listening on port #{auditUDPPort}"
defer.resolve()
auditUDPServer.on 'message', (msg, rinfo) ->
logger.info "[Auditing UDP] Received message from #{rinfo.address}:#{rinfo.port}"
auditing.processAudit msg, -> logger.info "[Auditing UDP] Processed audit"
auditUDPServer.on 'error', (err) ->
if err.code is 'EADDRINUSE'
# ignore to allow only 1 worker to bind (workaround for: https://github.com/joyent/node/issues/9261)
defer.resolve()
else
logger.error "UDP Audit server error: #{err}", err
defer.reject err
auditUDPServer.bind
port: auditUDPPort
address: bindAddress
exclusive: true # workaround for: https://github.com/joyent/node/issues/9261
return defer.promise
# function to start the TCP/TLS Audit server
startAuditTcpTlsServer = (type, auditPort, bindAddress) ->
defer = Q.defer()
# data handler
handler = (sock) ->
message = ""
length = 0
sock.on 'data', (data) ->
# convert to string and concatenate
message += data.toString()
# check if length is is still zero and first occurannce of space
if length == 0 and message.indexOf(' ') != -1
# get index of end of message length
lengthIndex = message.indexOf " "
# source message length
lengthValue = message.substr(0, lengthIndex)
# remove white spaces
length = parseInt(lengthValue.trim())
# update message to remove length - add one extra character to remove the space
message = message.substr(lengthIndex + 1)
if isNaN(length)
logger.info "[Auditing #{type}] No length supplied"
sock.destroy()
logger.debug "Length prefix is: #{length} and message length so far is #{Buffer.byteLength(message)}"
# if sourced length equals message length then full message received
if length == Buffer.byteLength(message)
logger.info "[Auditing #{type}] Received message from #{sock.remoteAddress}"
auditing.processAudit message, -> logger.info "[Auditing #{type}] Processed audit"
# reset message and length variables
message = ""
length = 0
sock.on 'error', (err) ->
logger.error err
if type is 'TLS'
tlsAuthentication.getServerOptions true, (err, options) ->
return callback err if err
auditTlsServer = tls.createServer options, handler
auditTlsServer.listen auditPort, bindAddress, ->
logger.info "Auditing TLS server listening on port #{auditPort}"
defer.resolve()
else if type is 'TCP'
auditTcpServer = net.createServer handler
auditTcpServer.listen auditPort, bindAddress, ->
logger.info "Auditing TCP server listening on port #{auditPort}"
defer.resolve()
return defer.promise
exports.start = (ports, done) ->
bindAddress = config.get 'bindAddress'
logger.info "Starting OpenHIM server on #{bindAddress}..."
promises = []
ensureKeystore ->
if ports.httpPort or ports.httpsPort
koaMiddleware.setupApp (app) ->
promises.push startHttpServer ports.httpPort, bindAddress, app if ports.httpPort
promises.push startHttpsServer ports.httpsPort, bindAddress, app if ports.httpsPort
if ports.apiPort and config.api.enabled
koaApi.setupApp (app) ->
promises.push startApiServer ports.apiPort, bindAddress, app
if ports.rerunHttpPort
koaMiddleware.rerunApp (app) ->
promises.push startRerunServer ports.rerunHttpPort, app
if config.rerun.processor.enabled
defer = Q.defer()
tasks.start -> defer.resolve()
promises.push defer.promise
if ports.tcpHttpReceiverPort
koaMiddleware.tcpApp (app) ->
promises.push startTCPServersAndHttpReceiver ports.tcpHttpReceiverPort, app
if ports.pollingPort
koaMiddleware.pollingApp (app) ->
promises.push startPollingServer ports.pollingPort, app
if ports.auditUDPPort
promises.push startAuditUDPServer ports.auditUDPPort, bindAddress
if ports.auditTlsPort
promises.push startAuditTcpTlsServer 'TLS', ports.auditTlsPort, bindAddress
if ports.auditTcpPort
promises.push startAuditTcpTlsServer 'TCP', ports.auditTcpPort, bindAddress
promises.push startAgenda()
(Q.all promises).then ->
audit = atna.appActivityAudit true, himSourceID, os.hostname(), 'system'
audit = atna.wrapInSyslog audit
auditing.sendAuditEvent audit, ->
logger.info 'Processed start audit event'
logger.info "OpenHIM server started: #{new Date()}"
done()
# wait for any running tasks before trying to stop anything
stopTasksProcessor = (callback) ->
if tasks.isRunning()
tasks.stop callback
else
callback()
exports.stop = stop = (done) -> stopTasksProcessor ->
promises = []
stopServer = (server, serverType) ->
deferred = Q.defer()
server.close ->
logger.info "Stopped #{serverType} server"
deferred.resolve()
return deferred.promise
promises.push stopServer(httpServer, 'HTTP') if httpServer
promises.push stopServer(httpsServer, 'HTTPS') if httpsServer
promises.push stopServer(apiHttpsServer, 'API HTTP') if apiHttpsServer
promises.push stopServer(rerunServer, 'Rerun HTTP') if rerunServer
promises.push stopServer(pollingServer, 'Polling HTTP') if pollingServer
promises.push stopAgenda() if agenda
promises.push stopServer(auditTlsServer, 'Audit TLS').promise if auditTlsServer
promises.push stopServer(auditTcpServer, 'Audit TCP').promise if auditTcpServer
if auditUDPServer
try
auditUDPServer.close()
logger.info "Stopped Audit UDP server"
catch err
# ignore errors when shutting down the server, sometimes its already stopped
if tcpHttpReceiver
promises.push stopServer(tcpHttpReceiver, 'TCP HTTP Receiver')
defer = Q.defer()
tcpAdapter.stopServers -> defer.resolve()
promises.push defer.promise
# close active connection so that servers can stop
for key, socket of activeHttpConnections
socket.destroy()
for key, socket of activeHttpsConnections
socket.destroy()
for key, socket of activeApiConnections
socket.destroy()
for key, socket of activeRerunConnections
socket.destroy()
for key, socket of activeTcpConnections
socket.destroy()
for key, socket of activePollingConnections
socket.destroy()
(Q.all promises).then ->
httpServer = null
httpsServer = null
apiHttpsServer = null
rerunServer = null
tcpHttpReceiver = null
pollingServer = null
auditUDPServer = null
auditTlsServer = null
auditTcpServer = null
agenda = null
audit = atna.appActivityAudit false, himSourceID, os.hostname(), 'system'
audit = atna.wrapInSyslog audit
auditing.sendAuditEvent audit, ->
logger.info 'Processed stop audit event'
logger.info 'Server shutdown complete.'
done()
lookupServerPorts = ->
httpPort: config.router.httpPort
httpsPort: config.router.httpsPort
apiPort: config.api.httpsPort
rerunHttpPort: config.rerun.httpPort
tcpHttpReceiverPort: config.tcpAdapter.httpReceiver.httpPort
pollingPort: config.polling.pollingPort
auditUDPPort: config.auditing.servers.udp.port if config.auditing.servers.udp.enabled
auditTlsPort: config.auditing.servers.tls.port if config.auditing.servers.tls.enabled
auditTcpPort: config.auditing.servers.tcp.port if config.auditing.servers.tcp.enabled
if not module.parent
# start the server
ports = lookupServerPorts()
exports.start ports, ->
# setup shutdown listeners
process.on 'exit', stop
# interrupt signal, e.g. ctrl-c
process.on 'SIGINT', -> stop process.exit
# terminate signal
process.on 'SIGTERM', -> stop process.exit
# restart on message
process.on 'message', (msg) ->
if msg.type is 'restart'
exports.restartServer()
exports.restartServer = (ports, done) ->
if typeof ports is 'function'
done = ports
ports = null
if not port?
ports = lookupServerPorts()
exports.stop ->
exports.start ports, -> done() if done
exports.startRestartServerTimeout = (done) ->
if cluster.isMaster
# restart myself in 2s
setTimeout ->
logger.debug 'Master restarting itself...'
exports.restartServer()
, 2000
else
# notify master to restart all workers in 2s
setTimeout ->
logger.debug 'Sending restart cluster message...'
process.send
type: 'restart-all'
, 2000
done()
# function to return process uptimes
exports.getUptime = (callback) ->
if cluster.isMaster
# send reponse back to API request
uptime =
master: process.uptime()
callback null, uptime
else
# send request to master
process.send
type: 'get-uptime'
processEvent = (uptime) ->
if uptime.type is 'get-uptime'
uptime =
master: uptime.masterUptime
# remove eventListner
process.removeListener 'message', processEvent
# send reponse back to API request
return callback null, uptime
# listen for response from master
process.on 'message', processEvent
if process.env.NODE_ENV is 'test'
exports.ensureKeystore = ensureKeystore
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