wikijs-fork/configure.js

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JavaScript
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'use strict'
module.exports = (port, spinner) => {
const ROOTPATH = __dirname
const IS_DEBUG = process.env.NODE_ENV === 'development'
// ----------------------------------------
// Load modules
// ----------------------------------------
const bodyParser = require('body-parser')
const compression = require('compression')
const express = require('express')
const favicon = require('serve-favicon')
const http = require('http')
const path = require('path')
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const Promise = require('bluebird')
const _ = require('lodash')
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// ----------------------------------------
// Define Express App
// ----------------------------------------
var app = express()
app.use(compression())
// ----------------------------------------
// Public Assets
// ----------------------------------------
app.use(favicon(path.join(ROOTPATH, 'assets', 'favicon.ico')))
app.use(express.static(path.join(ROOTPATH, 'assets')))
// ----------------------------------------
// View Engine Setup
// ----------------------------------------
app.set('views', path.join(ROOTPATH, 'views'))
app.set('view engine', 'pug')
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
app.locals._ = require('lodash')
// ----------------------------------------
// Controllers
// ----------------------------------------
app.get('*', (req, res) => {
res.render('configure/index')
})
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app.post('/syscheck', (req, res) => {
Promise.mapSeries([
() => {
const semver = require('semver')
if (!semver.satisfies(semver.clean(process.version), '>=4.6.0')) {
throw new Error('Node.js version is too old. Minimum is v4.6.0.')
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}
return 'Node.js ' + process.version + ' detected. Minimum is v4.6.0.'
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},
() => {
return Promise.try(() => {
require('crypto')
}).catch(err => { // eslint-disable-line handle-callback-err
throw new Error('Crypto Node.js module is not available.')
}).return('Node.js Crypto module is available.')
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},
() => {
const exec = require('child_process').exec
const semver = require('semver')
return new Promise((resolve, reject) => {
exec('git --version', (err, stdout, stderr) => {
if (err || stdout.length < 3) {
reject(new Error('Git is not installed or not reachable from PATH.'))
}
let gitver = _.chain(stdout.replace(/[^\d.]/g, '')).split('.').take(3).join('.').value()
if (!semver.satisfies(semver.clean(gitver), '>=2.11.0')) {
reject(new Error('Git version is too old. Minimum is v2.11.0.'))
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}
resolve('Git v' + gitver + ' detected. Minimum is v2.11.0.')
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})
})
},
() => {
const os = require('os')
if (os.totalmem() < 1024 * 1024 * 768) {
throw new Error('Not enough memory. Minimum is 768 MB.')
}
return _.round(os.totalmem() / (1024 * 1024)) + ' MB of system memory available. Minimum is 768 MB.'
},
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() => {
let fs = require('fs')
return Promise.try(() => {
fs.accessSync(path.join(ROOTPATH, 'config.yml'), (fs.constants || fs).W_OK)
}).catch(err => { // eslint-disable-line handle-callback-err
throw new Error('config.yml file is not writable by Node.js process or was not created properly.')
}).return('config.yml is writable by the setup process.')
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}
], test => { return test() }).then(results => {
res.json({ ok: true, results })
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}).catch(err => {
res.json({ ok: false, error: err.message })
})
})
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// ----------------------------------------
// Error handling
// ----------------------------------------
app.use(function (req, res, next) {
var err = new Error('Not Found')
err.status = 404
next(err)
})
app.use(function (err, req, res, next) {
res.status(err.status || 500)
res.send({
message: err.message,
error: IS_DEBUG ? err : {}
})
spinner.fail(err.message)
process.exit(1)
})
// ----------------------------------------
// Start HTTP server
// ----------------------------------------
spinner.text = 'Starting HTTP server...'
app.set('port', port)
var server = http.createServer(app)
server.listen(port)
server.on('error', (error) => {
if (error.syscall !== 'listen') {
throw error
}
switch (error.code) {
case 'EACCES':
spinner.fail('Listening on port ' + port + ' requires elevated privileges!')
process.exit(1)
break
case 'EADDRINUSE':
spinner.fail('Port ' + port + ' is already in use!')
process.exit(1)
break
default:
throw error
}
})
server.on('listening', () => {
spinner.text = 'Browse to http://localhost:' + port + ' to configure Wiki.js!'
})
}