server/initializers/checker.ts

   1 import config = require('config')
   2
   3 import { database as db } from './database'
   4 import { CONFIG } from './constants'
   5
   6 // Some checks on configuration files
   7 function checkConfig () {
   8   if (config.has('webserver.host')) {
   9     let errorMessage = '`host` config key was renamed to `hostname` but it seems you still have a `host` key in your configuration files!'
  10     errorMessage += ' Please ensure to rename your `host` configuration to `hostname`.'
  11
  12     return errorMessage
  13   }
  14
  15   return null
  16 }
  17
  18 // Check the config files
  19 function checkMissedConfig () {
  20   const required = [ 'listen.port',
  21     'webserver.https', 'webserver.hostname', 'webserver.port',
  22     'database.hostname', 'database.port', 'database.suffix', 'database.username', 'database.password',
  23     'storage.certs', 'storage.videos', 'storage.logs', 'storage.thumbnails', 'storage.previews',
  24     'admin.email', 'signup.enabled', 'transcoding.enabled', 'transcoding.threads'
  25   ]
  26   const miss = []
  27
  28   for (const key of required) {
  29     if (!config.has(key)) {
  30       miss.push(key)
  31     }
  32   }
  33
  34   return miss
  35 }
  36
  37 // Check the available codecs
  38 function checkFFmpeg (callback) {
  39   const Ffmpeg = require('fluent-ffmpeg')
  40
  41   Ffmpeg.getAvailableCodecs(function (err, codecs) {
  42     if (err) return callback(err)
  43     if (CONFIG.TRANSCODING.ENABLED === false) return callback(null)
  44
  45     const canEncode = [ 'libx264' ]
  46     canEncode.forEach(function (codec) {
  47       if (codecs[codec] === undefined) {
  48         return callback(new Error('Unknown codec ' + codec + ' in FFmpeg.'))
  49       }
  50
  51       if (codecs[codec].canEncode !== true) {
  52         return callback(new Error('Unavailable encode codec ' + codec + ' in FFmpeg'))
  53       }
  54     })
  55
  56     return callback(null)
  57   })
  58 }
  59
  60 function clientsExist (callback) {
  61   db.OAuthClient.countTotal(function (err, totalClients) {
  62     if (err) return callback(err)
  63
  64     return callback(null, totalClients !== 0)
  65   })
  66 }
  67
  68 function usersExist (callback) {
  69   db.User.countTotal(function (err, totalUsers) {
  70     if (err) return callback(err)
  71
  72     return callback(null, totalUsers !== 0)
  73   })
  74 }
  75
  76 // ---------------------------------------------------------------------------
  77
  78 export {
  79   checkConfig,
  80   checkFFmpeg,
  81   checkMissedConfig,
  82   clientsExist,
  83   usersExist
  84 }