server/initializers/checker-before-init.ts

   1 import * as config from 'config'
   2 import { promisify0 } from '../helpers/core-utils'
   3 import { logger } from '../helpers/logger'
   4
   5 // ONLY USE CORE MODULES IN THIS FILE!
   6
   7 // Check the config files
   8 function checkMissedConfig () {
   9   const required = [ 'listen.port', 'listen.hostname',
  10     'webserver.https', 'webserver.hostname', 'webserver.port',
  11     'trust_proxy',
  12     'database.hostname', 'database.port', 'database.suffix', 'database.username', 'database.password', 'database.pool.max',
  13     'smtp.hostname', 'smtp.port', 'smtp.username', 'smtp.password', 'smtp.tls', 'smtp.from_address',
  14     'email.body.signature', 'email.subject.prefix',
  15     'storage.avatars', 'storage.videos', 'storage.logs', 'storage.previews', 'storage.thumbnails', 'storage.torrents', 'storage.cache',
  16     'storage.redundancy', 'storage.tmp', 'storage.streaming_playlists', 'storage.plugins',
  17     'log.level',
  18     'user.video_quota', 'user.video_quota_daily',
  19     'csp.enabled', 'csp.report_only', 'csp.report_uri',
  20     'cache.previews.size', 'admin.email', 'contact_form.enabled',
  21     'signup.enabled', 'signup.limit', 'signup.requires_email_verification',
  22     'signup.filters.cidr.whitelist', 'signup.filters.cidr.blacklist',
  23     'redundancy.videos.strategies', 'redundancy.videos.check_interval',
  24     'transcoding.enabled', 'transcoding.threads', 'transcoding.allow_additional_extensions', 'transcoding.hls.enabled',
  25     'import.videos.http.enabled', 'import.videos.torrent.enabled', 'auto_blacklist.videos.of_users.enabled',
  26     'trending.videos.interval_days',
  27     'instance.name', 'instance.short_description', 'instance.description', 'instance.terms', 'instance.default_client_route',
  28     'instance.is_nsfw', 'instance.default_nsfw_policy', 'instance.robots', 'instance.securitytxt',
  29     'services.twitter.username', 'services.twitter.whitelisted',
  30     'followers.instance.enabled', 'followers.instance.manual_approval',
  31     'tracker.enabled', 'tracker.private', 'tracker.reject_too_many_announces',
  32     'history.videos.max_age', 'views.videos.remote.max_age',
  33     'rates_limit.login.window', 'rates_limit.login.max', 'rates_limit.ask_send_email.window', 'rates_limit.ask_send_email.max',
  34     'theme.default'
  35   ]
  36   const requiredAlternatives = [
  37     [ // set
  38       [ 'redis.hostname', 'redis.port' ], // alternative
  39       [ 'redis.socket' ]
  40     ]
  41   ]
  42   const miss: string[] = []
  43
  44   for (const key of required) {
  45     if (!config.has(key)) {
  46       miss.push(key)
  47     }
  48   }
  49
  50   const redundancyVideos = config.get<any>('redundancy.videos.strategies')
  51
  52   if (Array.isArray(redundancyVideos)) {
  53     for (const r of redundancyVideos) {
  54       if (!r.size) miss.push('redundancy.videos.strategies.size')
  55       if (!r.min_lifetime) miss.push('redundancy.videos.strategies.min_lifetime')
  56     }
  57   }
  58
  59   const missingAlternatives = requiredAlternatives.filter(
  60     set => !set.find(alternative => !alternative.find(key => !config.has(key)))
  61   )
  62
  63   missingAlternatives
  64     .forEach(set => set[0].forEach(key => miss.push(key)))
  65
  66   return miss
  67 }
  68
  69 // Check the available codecs
  70 // We get CONFIG by param to not import it in this file (import orders)
  71 async function checkFFmpeg (CONFIG: { TRANSCODING: { ENABLED: boolean } }) {
  72   if (CONFIG.TRANSCODING.ENABLED === false) return undefined
  73
  74   const Ffmpeg = require('fluent-ffmpeg')
  75   const getAvailableCodecsPromise = promisify0(Ffmpeg.getAvailableCodecs)
  76   const codecs = await getAvailableCodecsPromise()
  77   const canEncode = [ 'libx264' ]
  78
  79   for (const codec of canEncode) {
  80     if (codecs[codec] === undefined) {
  81       throw new Error('Unknown codec ' + codec + ' in FFmpeg.')
  82     }
  83
  84     if (codecs[codec].canEncode !== true) {
  85       throw new Error('Unavailable encode codec ' + codec + ' in FFmpeg')
  86     }
  87   }
  88
  89   return checkFFmpegEncoders()
  90 }
  91
  92 // Optional encoders, if present, can be used to improve transcoding
  93 // Here we ask ffmpeg if it detects their presence on the system, so that we can later use them
  94 let supportedOptionalEncoders: Map<string, boolean>
  95 async function checkFFmpegEncoders (): Promise<Map<string, boolean>> {
  96   if (supportedOptionalEncoders !== undefined) {
  97     return supportedOptionalEncoders
  98   }
  99
 100   const Ffmpeg = require('fluent-ffmpeg')
 101   const getAvailableEncodersPromise = promisify0(Ffmpeg.getAvailableEncoders)
 102   const encoders = await getAvailableEncodersPromise()
 103   const optionalEncoders = [ 'libfdk_aac' ]
 104   supportedOptionalEncoders = new Map<string, boolean>()
 105
 106   for (const encoder of optionalEncoders) {
 107     supportedOptionalEncoders.set(encoder, encoders[encoder] !== undefined)
 108   }
 109
 110   return supportedOptionalEncoders
 111 }
 112
 113 function checkNodeVersion () {
 114   const v = process.version
 115   const majorString = v.split('.')[0].replace('v', '')
 116   const major = parseInt(majorString, 10)
 117
 118   logger.debug('Checking NodeJS version %s.', v)
 119
 120   if (major < 10) {
 121     logger.warn('Your NodeJS version %s is deprecated. Please use Node 10.', v)
 122   }
 123 }
 124
 125 // ---------------------------------------------------------------------------
 126
 127 export {
 128   checkFFmpeg,
 129   checkFFmpegEncoders,
 130   checkMissedConfig,
 131   checkNodeVersion
 132 }