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6 | var bodyParser = require('body-parser')
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7 | var contentLength = require('express-content-length-validator')
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8 | var cors = require('cors')
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9 | var express = require('express')
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10 | var helmet = require('helmet')
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11 | var hpp = require('hpp')
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12 | var logger = require('structure-logger')
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13 | var path = require('path')
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14 | var Router = require('structure-router')
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15 | var serveStatic = require('serve-static')
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16 | var WebsocketServer = require('structure-websocket-server')
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17 |
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18 | function removePoweredBy(req, res, next) {
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19 | res.removeHeader('X-Powered-By')
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20 | next()
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21 | }
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22 |
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23 |
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24 |
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25 |
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26 |
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27 |
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28 |
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29 | class Server {
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30 |
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31 | |
32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 | constructor(options = {}) {
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39 |
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40 | var defaults = {
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41 | cursors: options.cursors || [],
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42 | db: true,
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43 | drain: true,
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44 | sockets: true
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45 | }
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46 |
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47 | this.options = Object.assign({}, defaults, options)
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48 |
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49 | this.server = express()
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50 |
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51 | |
52 |
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53 |
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54 | this.server.use(cors())
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55 |
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56 | |
57 |
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58 |
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59 | this.server.use(serveStatic(path.join(__dirname, '../public')))
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60 | this.server.use(bodyParser.urlencoded({extended: true}))
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61 | this.server.use(bodyParser.json({strict: false}))
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62 |
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63 | this.server.use(helmet())
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64 | this.server.use(hpp())
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65 |
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66 |
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67 | if(process.env.NODE_ENV != 'test') {
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68 | this.server.use(this.logRequestInfo)
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69 | }
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70 |
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71 | this.router = options.router || new Router({
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72 | routes: options.routes
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73 | })
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74 |
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75 | this.router.start(this.server)
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76 |
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77 | let routes = this.router.routesList
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78 |
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79 |
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80 | this.routesList = routes
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81 |
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82 | this.server.get(`/api/${process.env.API_VERSION}`, function routesListHandler(req, res) {
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83 |
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84 | res.json({
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85 | routes
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86 | })
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87 |
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88 | })
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89 |
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90 | }
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91 |
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92 | closeCursors() {
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93 | var cursors = require('./cursors')
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94 |
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95 | for(let i = 0, l = cursors.length; i < l; i++) {
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96 | var cursor = cursors[i]
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97 | cursor.close()
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98 | }
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99 |
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100 | cursors = []
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101 |
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102 | }
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103 |
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104 | |
105 |
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106 |
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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 |
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112 | logRequestInfo(req, res, next) {
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113 |
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114 | logger.info(req.method, req.originalUrl)
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115 | next()
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116 |
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117 | }
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118 |
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119 | |
120 |
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121 |
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122 |
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123 |
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124 | start() {
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125 |
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126 | this.server = this.server.listen(this.options.port || process.env.EXPRESS_PORT)
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127 |
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128 | if(this.options.sockets) {
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129 | this.wss = new WebsocketServer(this.server)
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130 | }
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131 |
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132 | if(this.options.db) {
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133 | this.cursors = []
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134 | }
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135 |
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136 | logger.debug('Structure API started at:', `http://localhost:${process.env.EXPRESS_PORT}`)
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137 |
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138 | }
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139 |
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140 | |
141 |
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142 |
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143 |
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144 |
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145 | stop() {
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146 |
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147 | if(this.options.db) {
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148 | var r = require('../lib/database/driver')
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149 | if(this.options.drain) r.getPoolMaster().drain()
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150 | this.closeCursors()
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151 | }
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152 |
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153 | if(this.options.sockets) {
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154 | this.wss.stop()
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155 | }
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156 |
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157 | this.server.close()
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158 |
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159 | }
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160 |
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161 | |
162 |
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163 |
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164 |
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165 |
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166 | use() {
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167 |
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168 | this.server.use.apply(this.server, arguments)
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169 |
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170 | }
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171 |
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172 | }
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173 |
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174 | module.exports = Server
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