server/initializers/checker-before-init.ts

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