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'use strict'
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module.exports = (port, spinner) => {
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const ROOTPATH = __dirname
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const IS_DEBUG = process.env.NODE_ENV === 'development'
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// ----------------------------------------
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// Load modules
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// ----------------------------------------
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const bodyParser = require('body-parser')
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const compression = require('compression')
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const express = require('express')
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const favicon = require('serve-favicon')
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const http = require('http')
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const path = require('path')
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const Promise = require('bluebird')
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const fs = require('fs-extra')
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const yaml = require('js-yaml')
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const _ = require('lodash')
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// ----------------------------------------
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// Define Express App
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// ----------------------------------------
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var app = express()
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app.use(compression())
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// ----------------------------------------
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// Public Assets
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// ----------------------------------------
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app.use(favicon(path.join(ROOTPATH, 'assets', 'favicon.ico')))
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app.use(express.static(path.join(ROOTPATH, 'assets')))
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// ----------------------------------------
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// View Engine Setup
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// ----------------------------------------
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app.set('views', path.join(ROOTPATH, 'views'))
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app.set('view engine', 'pug')
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app.use(bodyParser.json())
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app.use(bodyParser.urlencoded({ extended: false }))
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app.locals._ = require('lodash')
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// ----------------------------------------
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// Controllers
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// ----------------------------------------
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app.get('*', (req, res) => {
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let langs = []
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try {
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langs = yaml.safeLoad(fs.readFileSync('./app/data.yml', 'utf8')).langs
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} catch (err) {
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console.error(err)
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}
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res.render('configure/index', {
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langs
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})
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})
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/**
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* Perform basic system checks
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*/
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app.post('/syscheck', (req, res) => {
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Promise.mapSeries([
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() => {
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const semver = require('semver')
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if (!semver.satisfies(semver.clean(process.version), '>=4.6.0')) {
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throw new Error('Node.js version is too old. Minimum is v4.6.0.')
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}
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return 'Node.js ' + process.version + ' detected. Minimum is v4.6.0.'
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},
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() => {
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return Promise.try(() => {
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require('crypto')
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}).catch(err => { // eslint-disable-line handle-callback-err
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throw new Error('Crypto Node.js module is not available.')
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}).return('Node.js Crypto module is available.')
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},
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() => {
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const exec = require('child_process').exec
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const semver = require('semver')
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return new Promise((resolve, reject) => {
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exec('git --version', (err, stdout, stderr) => {
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if (err || stdout.length < 3) {
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reject(new Error('Git is not installed or not reachable from PATH.'))
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}
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let gitver = _.chain(stdout.replace(/[^\d.]/g, '')).split('.').take(3).join('.').value()
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if (!semver.satisfies(semver.clean(gitver), '>=2.11.0')) {
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reject(new Error('Git version is too old. Minimum is v2.11.0.'))
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}
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resolve('Git v' + gitver + ' detected. Minimum is v2.11.0.')
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})
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})
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},
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() => {
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const os = require('os')
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if (os.totalmem() < 1024 * 1024 * 768) {
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throw new Error('Not enough memory. Minimum is 768 MB.')
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}
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return _.round(os.totalmem() / (1024 * 1024)) + ' MB of system memory available. Minimum is 768 MB.'
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},
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() => {
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let fs = require('fs')
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return Promise.try(() => {
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fs.accessSync(path.join(ROOTPATH, 'config.yml'), (fs.constants || fs).W_OK)
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}).catch(err => { // eslint-disable-line handle-callback-err
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throw new Error('config.yml file is not writable by Node.js process or was not created properly.')
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}).return('config.yml is writable by the setup process.')
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}
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], test => { return test() }).then(results => {
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res.json({ ok: true, results })
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}).catch(err => {
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res.json({ ok: false, error: err.message })
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})
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})
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/**
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* Check the DB connection
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*/
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app.post('/dbcheck', (req, res) => {
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let mongo = require('mongodb').MongoClient
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mongo.connect(req.body.db, {
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autoReconnect: false,
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reconnectTries: 2,
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reconnectInterval: 1000,
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connectTimeoutMS: 5000,
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socketTimeoutMS: 5000
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}, (err, db) => {
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if (err === null) {
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// Try to create a test collection
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db.createCollection('test', (err, results) => {
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if (err === null) {
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// Try to drop test collection
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db.dropCollection('test', (err, results) => {
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if (err === null) {
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res.json({ ok: true })
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} else {
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res.json({ ok: false, error: 'Unable to delete test collection. Verify permissions. ' + err.message })
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}
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db.close()
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})
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} else {
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res.json({ ok: false, error: 'Unable to create test collection. Verify permissions. ' + err.message })
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db.close()
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}
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})
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} else {
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res.json({ ok: false, error: err.message })
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}
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})
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})
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/**
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* Check the Git connection
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*/
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app.post('/gitcheck', (req, res) => {
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const exec = require('execa')
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const dataDir = path.resolve(ROOTPATH, req.body.pathData)
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const gitDir = path.resolve(ROOTPATH, req.body.pathRepo)
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let results = []
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fs.ensureDir(dataDir).then(() => {
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results.push('Data directory path is valid.')
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return fs.ensureDir(gitDir).then(() => {
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results.push('Git directory path is valid.')
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return true
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})
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}).then(() => {
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return exec.stdout('git', ['init'], { cwd: gitDir }).then(result => {
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results.push('Git local repository initialized.')
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return true
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})
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}).then(() => {
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return res.json({ ok: true, results })
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}).catch(err => {
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res.json({ ok: false, error: err.message })
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})
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})
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/**
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* Check the DB connection
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*/
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app.post('/finalize', (req, res) => {
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let mongo = require('mongodb').MongoClient
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mongo.connect(req.body.db, {
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autoReconnect: false,
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reconnectTries: 2,
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reconnectInterval: 1000,
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connectTimeoutMS: 5000,
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socketTimeoutMS: 5000
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}, (err, db) => {
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if (err === null) {
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// Try to create a test collection
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db.createCollection('test', (err, results) => {
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if (err === null) {
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// Try to drop test collection
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db.dropCollection('test', (err, results) => {
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if (err === null) {
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res.json({ ok: true })
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} else {
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res.json({ ok: false, error: 'Unable to delete test collection. Verify permissions. ' + err.message })
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}
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db.close()
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})
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} else {
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res.json({ ok: false, error: 'Unable to create test collection. Verify permissions. ' + err.message })
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db.close()
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}
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})
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} else {
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res.json({ ok: false, error: err.message })
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}
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})
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})
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// ----------------------------------------
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// Error handling
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// ----------------------------------------
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app.use(function (req, res, next) {
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var err = new Error('Not Found')
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err.status = 404
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next(err)
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})
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app.use(function (err, req, res, next) {
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res.status(err.status || 500)
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res.send({
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message: err.message,
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error: IS_DEBUG ? err : {}
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})
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spinner.fail(err.message)
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process.exit(1)
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})
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// ----------------------------------------
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// Start HTTP server
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// ----------------------------------------
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spinner.text = 'Starting HTTP server...'
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app.set('port', port)
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var server = http.createServer(app)
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server.listen(port)
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server.on('error', (error) => {
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if (error.syscall !== 'listen') {
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throw error
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}
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switch (error.code) {
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case 'EACCES':
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spinner.fail('Listening on port ' + port + ' requires elevated privileges!')
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process.exit(1)
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break
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case 'EADDRINUSE':
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spinner.fail('Port ' + port + ' is already in use!')
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process.exit(1)
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break
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default:
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throw error
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}
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})
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server.on('listening', () => {
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spinner.text = 'Browse to http://localhost:' + port + ' to configure Wiki.js!'
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})
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}
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