#!/usr/bin/env node
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'use strict'
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const mqtt = require('../')
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const pump = require('pump')
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const path = require('path')
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const fs = require('fs')
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const concat = require('concat-stream')
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const Writable = require('readable-stream').Writable
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const helpMe = require('help-me')({
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dir: path.join(__dirname, '..', 'doc')
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})
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const minimist = require('minimist')
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const split2 = require('split2')
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function send (args) {
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const client = mqtt.connect(args)
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client.on('connect', function () {
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client.publish(args.topic, args.message, args, function (err) {
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if (err) {
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console.warn(err)
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}
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client.end()
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})
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})
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client.on('error', function (err) {
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console.warn(err)
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client.end()
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})
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}
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function multisend (args) {
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const client = mqtt.connect(args)
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const sender = new Writable({
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objectMode: true
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})
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sender._write = function (line, enc, cb) {
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client.publish(args.topic, line.trim(), args, cb)
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}
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client.on('connect', function () {
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pump(process.stdin, split2(), sender, function (err) {
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client.end()
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if (err) {
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throw err
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}
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})
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})
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}
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function start (args) {
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args = minimist(args, {
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string: ['hostname', 'username', 'password', 'key', 'cert', 'ca', 'message', 'clientId', 'i', 'id'],
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boolean: ['stdin', 'retain', 'help', 'insecure', 'multiline'],
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alias: {
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port: 'p',
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hostname: ['h', 'host'],
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topic: 't',
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message: 'm',
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qos: 'q',
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clientId: ['i', 'id'],
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retain: 'r',
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username: 'u',
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password: 'P',
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stdin: 's',
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multiline: 'M',
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protocol: ['C', 'l'],
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help: 'H',
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ca: 'cafile'
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},
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default: {
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host: 'localhost',
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qos: 0,
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retain: false,
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topic: '',
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message: ''
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}
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})
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if (args.help) {
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return helpMe.toStdout('publish')
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}
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if (args.key) {
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args.key = fs.readFileSync(args.key)
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}
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if (args.cert) {
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args.cert = fs.readFileSync(args.cert)
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}
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if (args.ca) {
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args.ca = fs.readFileSync(args.ca)
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}
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if (args.key && args.cert && !args.protocol) {
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args.protocol = 'mqtts'
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}
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if (args.port) {
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if (typeof args.port !== 'number') {
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console.warn('# Port: number expected, \'%s\' was given.', typeof args.port)
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return
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}
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}
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if (args['will-topic']) {
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args.will = {}
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args.will.topic = args['will-topic']
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args.will.payload = args['will-message']
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args.will.qos = args['will-qos']
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args.will.retain = args['will-retain']
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}
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if (args.insecure) {
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args.rejectUnauthorized = false
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}
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args.topic = (args.topic || args._.shift()).toString()
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args.message = (args.message || args._.shift()).toString()
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if (!args.topic) {
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console.error('missing topic\n')
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return helpMe.toStdout('publish')
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}
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if (args.stdin) {
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if (args.multiline) {
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multisend(args)
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} else {
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process.stdin.pipe(concat(function (data) {
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args.message = data
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send(args)
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}))
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}
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} else {
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send(args)
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}
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}
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module.exports = start
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if (require.main === module) {
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start(process.argv.slice(2))
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}
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