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path: root/server/api/ipxe.js
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/* global __appdir */
var path = require('path')
const fs = require('fs')
var shell = require(path.join(__appdir, 'lib', 'shell'))
var express = require('express')
var router = express.Router()
var noAuthRouter = express.Router()
const log = require(path.join(__appdir, 'lib', 'log'))

// GET requests.
router.get('/script', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  res.sendFile(path.join(__appdir, 'ipxe', 'embedded.ipxe'))
})

router.get('/certificate', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  res.sendFile(path.join(__appdir, 'bin', 'fullchain.pem'))
})

router.get('/general', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  res.sendFile(path.join(__appdir, 'ipxe', 'general.h'))
})

router.get('/console', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  res.sendFile(path.join(__appdir, 'ipxe', 'console.h'))
})

router.get('/log', async (req, res) => {
  const max = req.query.max ? req.query.max : -1
  res.setHeader('content-type', 'text/plain')
  const filepath = path.join(__appdir, 'ipxe', 'ipxelog.txt')

  fs.readFile(filepath, 'utf-8', function (err, content) {
    if (err) res.end()
    if (max !== -1 && content) {
      let c = content.split('\n')
      c = c.splice(-max)
      res.send(c.join('\n'))
    } else res.send(content)
  })
})

router.get('/config', (req, res) => {
  delete require.cache[require.resolve(path.join(__appdir, 'config', 'ipxe'))]
  var config = require(path.join(__appdir, 'config', 'ipxe'))
  res.send(config)
})

router.post('/config', (req, res) => {
  let buildTargets = req.body.buildTargets
  const targetList = req.body.targetList
  const branch = req.body.branch
  const repository = req.body.repository
  var config = require(path.join(__appdir, 'config', 'ipxe'))

  if (repository) config.repository = repository
  if (branch) config.branch = branch
  if (targetList && config.targets.custom) config.targets.list = targetList

  if (buildTargets) {
    if (!config.targets.custom) buildTargets = buildTargets.filter(target => config.targets.list.indexOf(target) >= 0)
    config.targets.build = buildTargets
  }

  fs.writeFile(path.join(__appdir, 'config', 'ipxe.json'), JSON.stringify(config, null, 4), {}, (err) => {
    if (err) res.status(500).end()
    else res.send()
  })
})

router.put('/:filename', (req, res) => {
  var filepath = null
  let filename = ''

  // Set the file path
  if (req.params.filename === 'script') {
    filepath = path.join(__appdir, 'ipxe', 'embedded.ipxe')
    filename = 'embedded.ipxe'
  } else if (req.params.filename === 'console' || req.params.filename === 'general') {
    filepath = path.join(__appdir, 'ipxe', req.params.filename + '.h')
    filename = req.params.filename + '.h'
  } else if (req.params.filename === 'certificate') {
    filepath = path.join(__appdir, 'bin', 'fullchain.pem')
    filename = 'fullchain.pem'
  } else {
    log({
      category: 'ERROR_IPXEBUILDER_SAVE',
      description: filename + ' cannot be saved. Filename unknown',
      userId: req.user.id
    })
    res.status(500).send({ status: 'UNKNOWN_FILENAME', error: 'The provided filename is unknown' })
    return
  }

  // Write File
  fs.writeFile(filepath, req.body.data, err => {
    if (err) {
      log({
        category: 'ERROR_IPXEBUILDER_SAVE',
        description: 'Error while saving ' + filename + '. ' + err,
        userId: req.user.id
      })
      res.status(500).send({ status: 'WRITE_FILE_ERROR', error: err })
    } else {
      log({
        category: 'IPXEBUILDER_SAVE',
        description: 'User has saved ' + filename,
        userId: req.user.id
      })
      res.status(200).send({ status: 'SUCCESS' })
    }
  })
})

/*
 * @return: Rebuild the ipxe.
 */
router.get('/build', async (req, res) => {
  log({
    category: 'IPXEBUILDER_BUILD',
    description: 'User initiated the ipxe building process.',
    userId: req.user.id
  })

  delete require.cache[require.resolve(path.join(__appdir, 'config', 'ipxe'))]
  const config = require(path.join(__appdir, 'config', 'ipxe'))
  const build = await shell.buildIpxe(config.targets.build.join(' '), config.repository, config.branch)
  res.send(build)
})

router.get('/cancel', async (req, res) => {
  log({
    category: 'IPXEBUILDER_CANCEL',
    description: 'User canceled the ipxe building process.',
    userId: req.user.id
  })
  const result = await shell.cancelBuilding(req, res)
  res.send(result)
})

router.get('/clean', async (req, res) => {
  log({
    category: 'IPXEBUILDER_CLEAN',
    description: 'User initiated ipxe cleaning process.',
    userId: req.user.id
  })
  const result = await shell.clean()
  res.send(result)
})

router.get('/status', (req, res) => {
  res.send({ status: 'SUCCESS', data: shell.status(req.params.version) })
})

module.exports.router = router

noAuthRouter.get('/load/script', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  fs.readFile(path.join(__appdir, 'ipxe', 'default.ipxe'), 'utf-8', function (err, content) {
    if (err) res.end()
    res.send(content)
  })
})

noAuthRouter.get('/load/registration', (req, res) => {
  res.setHeader('content-type', 'text/plain')
  res.sendFile(path.join(__appdir, 'ipxe', 'registration.ipxe'))
})

module.exports.noAuthRouter = noAuthRouter