server/initializers/checker.ts

   1 import * as config from 'config'
   2 import { promisify0 } from '../helpers/core-utils'
   3 import { UserModel } from '../models/account/user'
   4 import { ApplicationModel } from '../models/application/application'
   5 import { OAuthClientModel } from '../models/oauth/oauth-client'
   6 import { parse } from 'url'
   7 import { CONFIG } from './constants'
   8 import { logger } from '../helpers/logger'
   9 import { getServerActor } from '../helpers/utils'
  10 import { RecentlyAddedStrategy, VideosRedundancy } from '../../shared/models/redundancy'
  11 import { isArray } from '../helpers/custom-validators/misc'
  12 import { uniq } from 'lodash'
  13
  14 async function checkActivityPubUrls () {
  15   const actor = await getServerActor()
  16
  17   const parsed = parse(actor.url)
  18   if (CONFIG.WEBSERVER.HOST !== parsed.host) {
  19     const NODE_ENV = config.util.getEnv('NODE_ENV')
  20     const NODE_CONFIG_DIR = config.util.getEnv('NODE_CONFIG_DIR')
  21
  22     logger.warn(
  23       'It seems PeerTube was started (and created some data) with another domain name. ' +
  24       'This means you will not be able to federate! ' +
  25       'Please use %s %s npm run update-host to fix this.',
  26       NODE_CONFIG_DIR ? `NODE_CONFIG_DIR=${NODE_CONFIG_DIR}` : '',
  27       NODE_ENV ? `NODE_ENV=${NODE_ENV}` : ''
  28     )
  29   }
  30 }
  31
  32 // Some checks on configuration files
  33 // Return an error message, or null if everything is okay
  34 function checkConfig () {
  35   const defaultNSFWPolicy = config.get<string>('instance.default_nsfw_policy')
  36
  37   // NSFW policy
  38   if ([ 'do_not_list', 'blur', 'display' ].indexOf(defaultNSFWPolicy) === -1) {
  39     return 'NSFW policy setting should be "do_not_list" or "blur" or "display" instead of ' + defaultNSFWPolicy
  40   }
  41
  42   // Redundancies
  43   const redundancyVideos = config.get<VideosRedundancy[]>('redundancy.videos')
  44   if (isArray(redundancyVideos)) {
  45     for (const r of redundancyVideos) {
  46       if ([ 'most-views', 'trending', 'recently-added' ].indexOf(r.strategy) === -1) {
  47         return 'Redundancy video entries should have "most-views" strategy instead of ' + r.strategy
  48       }
  49     }
  50
  51     const filtered = uniq(redundancyVideos.map(r => r.strategy))
  52     if (filtered.length !== redundancyVideos.length) {
  53       return 'Redundancy video entries should have unique strategies'
  54     }
  55   }
  56
  57   const recentlyAddedStrategy = redundancyVideos.find(r => r.strategy === 'recently-added') as RecentlyAddedStrategy
  58   if (recentlyAddedStrategy && isNaN(recentlyAddedStrategy.minViews)) {
  59     return 'Min views in recently added strategy is not a number'
  60   }
  61
  62   return null
  63 }
  64
  65 // Check the config files
  66 function checkMissedConfig () {
  67   const required = [ 'listen.port', 'listen.hostname',
  68     'webserver.https', 'webserver.hostname', 'webserver.port',
  69     'trust_proxy',
  70     'database.hostname', 'database.port', 'database.suffix', 'database.username', 'database.password', 'database.pool.max',
  71     'smtp.hostname', 'smtp.port', 'smtp.username', 'smtp.password', 'smtp.tls', 'smtp.from_address',
  72     'storage.avatars', 'storage.videos', 'storage.logs', 'storage.previews', 'storage.thumbnails', 'storage.torrents', 'storage.cache',
  73     'log.level',
  74     'user.video_quota', 'user.video_quota_daily',
  75     'cache.previews.size', 'admin.email',
  76     'signup.enabled', 'signup.limit', 'signup.requires_email_verification',
  77     'signup.filters.cidr.whitelist', 'signup.filters.cidr.blacklist',
  78     'transcoding.enabled', 'transcoding.threads',
  79     'import.videos.http.enabled', 'import.videos.torrent.enabled',
  80     'trending.videos.interval_days',
  81     'instance.name', 'instance.short_description', 'instance.description', 'instance.terms', 'instance.default_client_route',
  82     'instance.default_nsfw_policy', 'instance.robots', 'instance.securitytxt',
  83     'services.twitter.username', 'services.twitter.whitelisted'
  84   ]
  85   const requiredAlternatives = [
  86     [ // set
  87       ['redis.hostname', 'redis.port'], // alternative
  88       ['redis.socket']
  89     ]
  90   ]
  91   const miss: string[] = []
  92
  93   for (const key of required) {
  94     if (!config.has(key)) {
  95       miss.push(key)
  96     }
  97   }
  98
  99   const missingAlternatives = requiredAlternatives.filter(
 100     set => !set.find(alternative => !alternative.find(key => !config.has(key)))
 101   )
 102
 103   missingAlternatives
 104     .forEach(set => set[0].forEach(key => miss.push(key)))
 105
 106   return miss
 107 }
 108
 109 // Check the available codecs
 110 // We get CONFIG by param to not import it in this file (import orders)
 111 async function checkFFmpeg (CONFIG: { TRANSCODING: { ENABLED: boolean } }) {
 112   const Ffmpeg = require('fluent-ffmpeg')
 113   const getAvailableCodecsPromise = promisify0(Ffmpeg.getAvailableCodecs)
 114   const codecs = await getAvailableCodecsPromise()
 115   const canEncode = [ 'libx264' ]
 116
 117   if (CONFIG.TRANSCODING.ENABLED === false) return undefined
 118
 119   for (const codec of canEncode) {
 120     if (codecs[codec] === undefined) {
 121       throw new Error('Unknown codec ' + codec + ' in FFmpeg.')
 122     }
 123
 124     if (codecs[codec].canEncode !== true) {
 125       throw new Error('Unavailable encode codec ' + codec + ' in FFmpeg')
 126     }
 127   }
 128
 129   checkFFmpegEncoders()
 130 }
 131
 132 // Optional encoders, if present, can be used to improve transcoding
 133 // Here we ask ffmpeg if it detects their presence on the system, so that we can later use them
 134 let supportedOptionalEncoders: Map<string, boolean>
 135 async function checkFFmpegEncoders (): Promise<Map<string, boolean>> {
 136   if (supportedOptionalEncoders !== undefined) {
 137     return supportedOptionalEncoders
 138   }
 139
 140   const Ffmpeg = require('fluent-ffmpeg')
 141   const getAvailableEncodersPromise = promisify0(Ffmpeg.getAvailableEncoders)
 142   const encoders = await getAvailableEncodersPromise()
 143   const optionalEncoders = [ 'libfdk_aac' ]
 144   supportedOptionalEncoders = new Map<string, boolean>()
 145
 146   for (const encoder of optionalEncoders) {
 147     supportedOptionalEncoders.set(encoder,
 148       encoders[encoder] !== undefined
 149     )
 150   }
 151 }
 152
 153 // We get db by param to not import it in this file (import orders)
 154 async function clientsExist () {
 155   const totalClients = await OAuthClientModel.countTotal()
 156
 157   return totalClients !== 0
 158 }
 159
 160 // We get db by param to not import it in this file (import orders)
 161 async function usersExist () {
 162   const totalUsers = await UserModel.countTotal()
 163
 164   return totalUsers !== 0
 165 }
 166
 167 // We get db by param to not import it in this file (import orders)
 168 async function applicationExist () {
 169   const totalApplication = await ApplicationModel.countTotal()
 170
 171   return totalApplication !== 0
 172 }
 173
 174 // ---------------------------------------------------------------------------
 175
 176 export {
 177   checkConfig,
 178   checkFFmpeg,
 179   checkFFmpegEncoders,
 180   checkMissedConfig,
 181   clientsExist,
 182   usersExist,
 183   applicationExist,
 184   checkActivityPubUrls
 185 }