1 | 'use strict'
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2 |
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3 | const assert = require('assert')
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4 | const http = require('http')
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5 | const https = require('https')
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6 |
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7 | const { kState, kOptions } = require('./symbols')
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8 | const {
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9 | codes: { FST_ERR_HTTP2_INVALID_VERSION }
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10 | } = require('./errors')
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11 |
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12 | function createServer (options, httpHandler) {
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13 | assert(options, 'Missing options')
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14 | assert(httpHandler, 'Missing http handler')
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15 |
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16 | var server = null
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17 | if (options.serverFactory) {
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18 | server = options.serverFactory(httpHandler, options)
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19 | } else if (options.https) {
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20 | if (options.http2) {
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21 | server = http2().createSecureServer(options.https, httpHandler)
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22 | } else {
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23 | server = https.createServer(options.https, httpHandler)
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24 | }
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25 | } else if (options.http2) {
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26 | server = http2().createServer(httpHandler)
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27 | } else {
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28 | server = http.createServer(httpHandler)
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29 | }
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30 |
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31 | return { server, listen }
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32 |
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33 |
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34 | function listen () {
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35 | const normalizeListenArgs = (args) => {
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36 | if (args.length === 0) {
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37 | return { port: 0, host: 'localhost' }
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38 | }
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39 |
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40 | const cb = typeof args[args.length - 1] === 'function' ? args.pop() : undefined
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41 | const options = { cb: cb }
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42 |
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43 | const firstArg = args[0]
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44 | const argsLength = args.length
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45 | const lastArg = args[argsLength - 1]
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46 |
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47 | if (typeof firstArg === 'object' && firstArg !== null) {
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48 | options.backlog = argsLength > 1 ? lastArg : undefined
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49 | Object.assign(options, firstArg)
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50 | } else if (typeof firstArg === 'string' && isNaN(firstArg)) {
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51 |
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52 | options.path = firstArg
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53 | options.backlog = argsLength > 1 ? lastArg : undefined
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54 | } else {
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55 |
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56 | options.port = argsLength >= 1 && firstArg ? firstArg : 0
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57 |
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58 |
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59 |
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60 | options.host = argsLength >= 2 && args[1] ? args[1] : 'localhost'
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61 | options.backlog = argsLength >= 3 ? args[2] : undefined
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62 | }
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63 |
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64 | return options
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65 | }
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66 |
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67 | const listenOptions = normalizeListenArgs(Array.from(arguments))
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68 | const cb = listenOptions.cb
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69 |
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70 | const wrap = err => {
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71 | server.removeListener('error', wrap)
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72 | if (!err) {
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73 | const address = logServerAddress()
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74 | cb(null, address)
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75 | } else {
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76 | this[kState].listening = false
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77 | cb(err, null)
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78 | }
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79 | }
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80 |
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81 | const listenPromise = (listenOptions) => {
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82 | if (this[kState].listening) {
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83 | return Promise.reject(new Error('Fastify is already listening'))
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84 | }
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85 |
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86 | return this.ready().then(() => {
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87 | var errEventHandler
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88 | var errEvent = new Promise((resolve, reject) => {
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89 | errEventHandler = (err) => {
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90 | this[kState].listening = false
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91 | reject(err)
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92 | }
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93 | server.once('error', errEventHandler)
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94 | })
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95 | var listen = new Promise((resolve, reject) => {
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96 | server.listen(listenOptions, () => {
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97 | server.removeListener('error', errEventHandler)
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98 | resolve(logServerAddress())
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99 | })
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100 |
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101 | this[kState].listening = true
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102 | })
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103 |
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104 | return Promise.race([
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105 | errEvent,
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106 | listen
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107 | ])
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108 | })
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109 | }
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110 |
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111 | const logServerAddress = () => {
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112 | var address = server.address()
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113 | const isUnixSocket = typeof address === 'string'
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114 | if (!isUnixSocket) {
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115 | if (address.address.indexOf(':') === -1) {
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116 | address = address.address + ':' + address.port
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117 | } else {
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118 | address = '[' + address.address + ']:' + address.port
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119 | }
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120 | }
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121 | address = (isUnixSocket ? '' : ('http' + (this[kOptions].https ? 's' : '') + '://')) + address
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122 | this.log.info('Server listening at ' + address)
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123 | return address
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124 | }
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125 |
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126 | if (cb === undefined) return listenPromise(listenOptions)
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127 |
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128 | this.ready(err => {
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129 | if (err != null) return cb(err)
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130 |
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131 | if (this[kState].listening) {
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132 | return cb(new Error('Fastify is already listening'), null)
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133 | }
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134 |
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135 | server.once('error', wrap)
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136 | server.listen(listenOptions, wrap)
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137 |
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138 | this[kState].listening = true
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139 | })
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140 | }
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141 | }
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142 |
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143 | function http2 () {
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144 | try {
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145 | return require('http2')
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146 | } catch (err) {
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147 | throw new FST_ERR_HTTP2_INVALID_VERSION()
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148 | }
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149 | }
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150 |
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151 | module.exports = { createServer }
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