wikijs-fork/configure.js

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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')
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const fs = Promise.promisifyAll(require('fs-extra'))
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const yaml = require('js-yaml')
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const _ = require('lodash')
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// ----------------------------------------
// Define Express App
// ----------------------------------------
var app = express()
app.use(compression())
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var server
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// ----------------------------------------
// 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) => {
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let langs = []
let conf = {}
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try {
langs = yaml.safeLoad(fs.readFileSync('./app/data.yml', 'utf8')).langs
conf = yaml.safeLoad(fs.readFileSync('./config.yml', 'utf8'))
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} catch (err) {
console.error(err)
}
res.render('configure/index', { langs, conf })
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})
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/**
* Perform basic system checks
*/
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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()
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if (!semver.satisfies(semver.clean(gitver), '>=2.7.4')) {
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reject(new Error('Git version is too old. Minimum is v2.7.4.'))
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}
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resolve('Git v' + gitver + ' detected. Minimum is v2.7.4.')
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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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/**
* 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')
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const url = require('url')
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const dataDir = path.resolve(ROOTPATH, req.body.pathData)
const gitDir = path.resolve(ROOTPATH, req.body.pathRepo)
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let gitRemoteUrl = ''
if (req.body.gitUseRemote === true) {
let urlObj = url.parse(req.body.gitUrl)
if (req.body.gitAuthType === 'basic') {
urlObj.auth = req.body.gitAuthUser + ':' + req.body.gitAuthPass
}
gitRemoteUrl = url.format(urlObj)
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}
Promise.mapSeries([
() => {
return fs.ensureDirAsync(dataDir).return('Data directory path is valid.')
},
() => {
return fs.ensureDirAsync(gitDir).return('Git directory path is valid.')
},
() => {
return exec.stdout('git', ['init'], { cwd: gitDir }).then(result => {
return 'Local git repository has been initialized.'
})
},
() => {
if (req.body.gitUseRemote === false) { return false }
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return exec.stdout('git', ['config', '--local', 'user.name', req.body.gitSignatureName], { cwd: gitDir }).then(result => {
return 'Git Signature Name has been set successfully.'
})
},
() => {
if (req.body.gitUseRemote === false) { return false }
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return exec.stdout('git', ['config', '--local', 'user.email', req.body.gitSignatureEmail], { cwd: gitDir }).then(result => {
return 'Git Signature Name has been set successfully.'
})
},
() => {
if (req.body.gitUseRemote === false) { return false }
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return exec.stdout('git', ['config', '--local', '--bool', 'http.sslVerify', req.body.gitAuthSSL], { cwd: gitDir }).then(result => {
return 'Git SSL Verify flag has been set successfully.'
})
},
() => {
if (req.body.gitUseRemote === false) { return false }
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if (req.body.gitAuthType === 'ssh') {
return exec.stdout('git', ['config', '--local', 'core.sshCommand', 'ssh -i "' + req.body.gitAuthSSHKey + '" -o StrictHostKeyChecking=no'], { cwd: gitDir }).then(result => {
return 'Git SSH Private Key path has been set successfully.'
})
} else {
return false
}
},
() => {
if (req.body.gitUseRemote === false) { return false }
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return exec.stdout('git', ['remote', 'remove', 'origin'], { cwd: gitDir }).catch(err => {
if (_.includes(err.message, 'No such remote')) {
return true
} else {
throw err
}
}).then(() => {
return exec.stdout('git', ['remote', 'add', 'origin', gitRemoteUrl], { cwd: gitDir }).then(result => {
return 'Git Remote was added successfully.'
})
})
},
() => {
if (req.body.gitUseRemote === false) { return false }
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return exec.stdout('git', ['pull', 'origin', req.body.gitBranch], { cwd: gitDir }).then(result => {
return 'Git Pull operation successful.'
})
}
], step => { return step() }).then(results => {
return res.json({ ok: true, results: _.without(results, false) })
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}).catch(err => {
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let errMsg = (err.stderr) ? err.stderr.replace(/(error:|warning:|fatal:)/gi, '').replace(/ \s+/g, ' ') : err.message
res.json({ ok: false, error: errMsg })
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})
})
/**
* Finalize
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*/
app.post('/finalize', (req, res) => {
const bcrypt = require('bcryptjs-then')
const crypto = Promise.promisifyAll(require('crypto'))
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let mongo = require('mongodb').MongoClient
Promise.join(
new Promise((resolve, reject) => {
mongo.connect(req.body.db, {
autoReconnect: false,
reconnectTries: 2,
reconnectInterval: 1000,
connectTimeoutMS: 5000,
socketTimeoutMS: 5000
}, (err, db) => {
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if (err === null) {
db.createCollection('users', { strict: false }, (err, results) => {
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if (err === null) {
bcrypt.hash(req.body.adminPassword).then(adminPwdHash => {
db.collection('users').findOneAndUpdate({
provider: 'local',
email: req.body.adminEmail
}, {
provider: 'local',
email: req.body.adminEmail,
name: 'Administrator',
password: adminPwdHash,
rights: [{
role: 'admin',
path: '/',
exact: false,
deny: false
}],
updatedAt: new Date(),
createdAt: new Date()
}, {
upsert: true,
returnOriginal: false
}, (err, results) => {
if (err === null) {
resolve(true)
} else {
reject(err)
}
db.close()
})
})
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} else {
reject(err)
db.close()
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}
})
} else {
reject(err)
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}
})
}),
fs.readFileAsync('./config.yml', 'utf8').then(confRaw => {
let conf = yaml.safeLoad(confRaw)
conf.title = req.body.title
conf.host = req.body.host
conf.port = req.body.port
conf.paths = {
repo: req.body.pathRepo,
data: req.body.pathData
}
conf.uploads = {
maxImageFileSize: (conf.uploads && _.isNumber(conf.uploads.maxImageFileSize)) ? conf.uploads.maxImageFileSize : 3,
maxOtherFileSize: (conf.uploads && _.isNumber(conf.uploads.maxOtherFileSize)) ? conf.uploads.maxOtherFileSize : 100
}
conf.lang = req.body.lang
conf.public = (conf.public === true)
if (conf.auth && conf.auth.local) {
conf.auth.local = { enabled: true }
} else {
conf.auth = { local: { enabled: true } }
}
conf.db = req.body.db
if (req.body.gitUseRemote === false) {
conf.git = false
} else {
conf.git = {
url: req.body.gitUrl,
branch: req.body.gitBranch,
auth: {
type: req.body.gitAuthType,
username: req.body.gitAuthUser,
password: req.body.gitAuthPass,
privateKey: req.body.gitAuthSSHKey,
sslVerify: (req.body.gitAuthSSL === true)
},
signature: {
name: req.body.gitSignatureName,
email: req.body.gitSignatureEmail
}
}
}
return crypto.randomBytesAsync(32).then(buf => {
conf.sessionSecret = buf.toString('hex')
confRaw = yaml.safeDump(conf)
return fs.writeFileAsync('./config.yml', confRaw)
})
})
).then(() => {
res.json({ ok: true })
}).catch(err => {
res.json({ ok: false, error: err.message })
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})
})
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/**
* Restart in normal mode
*/
app.post('/restart', (req, res) => {
res.status(204).end()
server.destroy(() => {
spinner.text = 'Setup wizard terminated. Restarting in normal mode...'
_.delay(() => {
const exec = require('execa')
exec.stdout('node', ['wiki', 'start']).then(result => {
spinner.succeed('Wiki.js is now running in normal mode!')
process.exit(0)
})
}, 1000)
})
})
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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)
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server = http.createServer(app)
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server.listen(port)
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var openConnections = []
server.on('connection', (conn) => {
let key = conn.remoteAddress + ':' + conn.remotePort
openConnections[key] = conn
conn.on('close', () => {
delete openConnections[key]
})
})
server.destroy = (cb) => {
server.close(cb)
for (let key in openConnections) {
openConnections[key].destroy()
}
}
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server.on('error', (error) => {
if (error.syscall !== 'listen') {
throw error
}
switch (error.code) {
case 'EACCES':
spinner.fail('Listening on port ' + port + ' requires elevated privileges!')
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return process.exit(1)
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case 'EADDRINUSE':
spinner.fail('Port ' + port + ' is already in use!')
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return process.exit(1)
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default:
throw error
}
})
server.on('listening', () => {
spinner.text = 'Browse to http://localhost:' + port + ' to configure Wiki.js!'
})
}