wikijs-fork/configure.js
2017-03-25 17:03:09 -04:00

274 lines
8.1 KiB
JavaScript

'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')
const Promise = require('bluebird')
const fs = require('fs-extra')
const yaml = require('js-yaml')
const _ = require('lodash')
// ----------------------------------------
// 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) => {
let langs = []
try {
langs = yaml.safeLoad(fs.readFileSync('./app/data.yml', 'utf8')).langs
} catch (err) {
console.error(err)
}
res.render('configure/index', {
langs
})
})
/**
* Perform basic system checks
*/
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.')
}
return 'Node.js ' + process.version + ' detected. Minimum is v4.6.0.'
},
() => {
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.')
},
() => {
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.'))
}
resolve('Git v' + gitver + ' detected. Minimum is v2.11.0.')
})
})
},
() => {
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.'
},
() => {
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.')
}
], test => { return test() }).then(results => {
res.json({ ok: true, results })
}).catch(err => {
res.json({ ok: false, error: err.message })
})
})
/**
* Check the DB connection
*/
app.post('/dbcheck', (req, res) => {
let mongo = require('mongodb').MongoClient
mongo.connect(req.body.db, {
autoReconnect: false,
reconnectTries: 2,
reconnectInterval: 1000,
connectTimeoutMS: 5000,
socketTimeoutMS: 5000
}, (err, db) => {
if (err === null) {
// Try to create a test collection
db.createCollection('test', (err, results) => {
if (err === null) {
// Try to drop test collection
db.dropCollection('test', (err, results) => {
if (err === null) {
res.json({ ok: true })
} else {
res.json({ ok: false, error: 'Unable to delete test collection. Verify permissions. ' + err.message })
}
db.close()
})
} else {
res.json({ ok: false, error: 'Unable to create test collection. Verify permissions. ' + err.message })
db.close()
}
})
} else {
res.json({ ok: false, error: err.message })
}
})
})
/**
* Check the Git connection
*/
app.post('/gitcheck', (req, res) => {
const exec = require('execa')
const dataDir = path.resolve(ROOTPATH, req.body.pathData)
const gitDir = path.resolve(ROOTPATH, req.body.pathRepo)
let results = []
fs.ensureDir(dataDir).then(() => {
results.push('Data directory path is valid.')
return fs.ensureDir(gitDir).then(() => {
results.push('Git directory path is valid.')
return true
})
}).then(() => {
return exec.stdout('git', ['init'], { cwd: gitDir }).then(result => {
results.push('Git local repository initialized.')
return true
})
}).then(() => {
return res.json({ ok: true, results })
}).catch(err => {
res.json({ ok: false, error: err.message })
})
})
/**
* Check the DB connection
*/
app.post('/finalize', (req, res) => {
let mongo = require('mongodb').MongoClient
mongo.connect(req.body.db, {
autoReconnect: false,
reconnectTries: 2,
reconnectInterval: 1000,
connectTimeoutMS: 5000,
socketTimeoutMS: 5000
}, (err, db) => {
if (err === null) {
// Try to create a test collection
db.createCollection('test', (err, results) => {
if (err === null) {
// Try to drop test collection
db.dropCollection('test', (err, results) => {
if (err === null) {
res.json({ ok: true })
} else {
res.json({ ok: false, error: 'Unable to delete test collection. Verify permissions. ' + err.message })
}
db.close()
})
} else {
res.json({ ok: false, error: 'Unable to create test collection. Verify permissions. ' + err.message })
db.close()
}
})
} else {
res.json({ ok: false, error: err.message })
}
})
})
// ----------------------------------------
// 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!'
})
}