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130 lines
3.6 KiB
130 lines
3.6 KiB
#!/usr/bin/env node
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'use strict'
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const ansi = require('ansi-escape-sequences')
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const path = require('path')
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const arrayify = require('array-back')
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const t = require('typical')
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const Tool = require('command-line-tool')
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const MiddlewareStack = require('./middleware-stack')
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const tool = new Tool()
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class Cli extends MiddlewareStack {
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start () {
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const options = collectOptions(this.getOptionDefinitions())
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this.options = options
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if (options.misc.verbose) {
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process.env.DEBUG = '*'
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}
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if (options.misc.config) {
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tool.stop(JSON.stringify(options, null, ' '), 0)
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} else {
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const Koa = require('koa')
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const app = new Koa()
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app.on('error', err => {
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if (options.middleware['log-format']) {
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console.error(ansi.format(err.message, 'red'))
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}
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})
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app.use(this.compose(options))
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let key = options.server.key
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let cert = options.server.cert
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if (options.server.https) {
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key = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.key')
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cert = path.resolve(__dirname, '..', 'ssl', '127.0.0.1.crt')
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}
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if (key && cert) {
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const https = require('https')
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const fs = require('fs')
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const serverOptions = {
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key: fs.readFileSync(key),
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cert: fs.readFileSync(cert)
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}
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const server = https.createServer(serverOptions, app.callback())
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server.listen(options.server.port, onServerUp.bind(null, options, true))
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} else {
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app.listen(options.server.port, onServerUp.bind(null, options))
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}
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}
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}
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}
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function onServerUp (options, isHttps) {
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const ipList = getIPList(isHttps)
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.map(iface => `[underline]{${isHttps ? 'https' : 'http'}://${iface.address}:${options.server.port}}`)
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.join(', ')
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console.error(ansi.format(
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path.resolve(options.middleware.directory) === process.cwd()
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? `serving at ${ipList}`
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: `serving [underline]{${options.middleware.directory}} at ${ipList}`
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))
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}
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function getIPList (isHttps) {
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const flatten = require('reduce-flatten')
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const os = require('os')
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let ipList = Object.keys(os.networkInterfaces())
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.map(key => os.networkInterfaces()[key])
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.reduce(flatten, [])
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.filter(iface => iface.family === 'IPv4')
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ipList.unshift({ address: os.hostname() })
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return ipList
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}
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/**
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* Return default, stored and command-line options combined
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*/
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function collectOptions (mwOptionDefinitions) {
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const loadConfig = require('config-master')
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const stored = loadConfig('local-web-server')
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const cli = require('../lib/cli-data')
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/* parse command line args */
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const definitions = cli.optionDefinitions.concat(arrayify(mwOptionDefinitions))
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let options = tool.getOptions(definitions, cli.usage(definitions))
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/* override built-in defaults with stored config and then command line args */
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options.server = Object.assign({ port: 8000 }, stored.server, options.server)
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options.middleware = Object.assign({ directory: process.cwd() }, stored.middleware || {}, options.middleware)
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if (options.middleware.rewrite) {
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options.middleware.rewrite = parseRewriteRules(options.middleware.rewrite)
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}
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validateOptions(options)
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// console.log(options)
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return options
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}
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function parseRewriteRules (rules) {
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return rules && rules.map(rule => {
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if (t.isString(rule)) {
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const matches = rule.match(/(\S*)\s*->\s*(\S*)/)
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return {
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from: matches[1],
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to: matches[2]
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}
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} else {
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return rule
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}
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})
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}
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function validateOptions (options) {
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if (!t.isNumber(options.server.port)) {
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tool.printError('--port must be numeric')
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console.error(tool.usage)
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tool.halt()
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}
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}
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module.exports = Cli
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