server/initializers/constants.ts

   1 import { IConfig } from 'config'
   2 import { dirname, join } from 'path'
   3 import { JobType, VideoRateType, VideoState } from '../../shared/models'
   4 import { ActivityPubActorType } from '../../shared/models/activitypub'
   5 import { FollowState } from '../../shared/models/actors'
   6 import { VideoPrivacy } from '../../shared/models/videos'
   7 // Do not use barrels, remain constants as independent as possible
   8 import { buildPath, isTestInstance, root, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
   9 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
  10 import { invert } from 'lodash'
  11 import { VideoImportState } from '../../shared/models/videos/video-import-state.enum'
  12
  13 // Use a variable to reload the configuration if we need
  14 let config: IConfig = require('config')
  15
  16 // ---------------------------------------------------------------------------
  17
  18 const LAST_MIGRATION_VERSION = 240
  19
  20 // ---------------------------------------------------------------------------
  21
  22 // API version
  23 const API_VERSION = 'v1'
  24
  25 const PAGINATION = {
  26   COUNT: {
  27     DEFAULT: 15,
  28     MAX: 100
  29   }
  30 }
  31
  32 // Sortable columns per schema
  33 const SORTABLE_COLUMNS = {
  34   USERS: [ 'id', 'username', 'createdAt' ],
  35   ACCOUNTS: [ 'createdAt' ],
  36   JOBS: [ 'createdAt' ],
  37   VIDEO_ABUSES: [ 'id', 'createdAt' ],
  38   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  39   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'views', 'likes' ],
  40   VIDEO_IMPORTS: [ 'createdAt' ],
  41   VIDEO_COMMENT_THREADS: [ 'createdAt' ],
  42   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  43   FOLLOWERS: [ 'createdAt' ],
  44   FOLLOWING: [ 'createdAt' ],
  45
  46   VIDEOS_SEARCH: [ 'match', 'name', 'duration', 'createdAt', 'publishedAt', 'views', 'likes' ]
  47 }
  48
  49 const OAUTH_LIFETIME = {
  50   ACCESS_TOKEN: 3600 * 24, // 1 day, for upload
  51   REFRESH_TOKEN: 1209600 // 2 weeks
  52 }
  53
  54 const ROUTE_CACHE_LIFETIME = {
  55   FEEDS: '15 minutes',
  56   ROBOTS: '2 hours',
  57   NODEINFO: '10 minutes',
  58   ACTIVITY_PUB: {
  59     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
  60   }
  61 }
  62
  63 // ---------------------------------------------------------------------------
  64
  65 // Number of points we add/remove after a successful/bad request
  66 const ACTOR_FOLLOW_SCORE = {
  67   PENALTY: -10,
  68   BONUS: 10,
  69   BASE: 1000,
  70   MAX: 10000
  71 }
  72
  73 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
  74   PENDING: 'pending',
  75   ACCEPTED: 'accepted'
  76 }
  77
  78 const REMOTE_SCHEME = {
  79   HTTP: 'https',
  80   WS: 'wss'
  81 }
  82
  83 const JOB_ATTEMPTS: { [ id in JobType ]: number } = {
  84   'activitypub-http-broadcast': 5,
  85   'activitypub-http-unicast': 5,
  86   'activitypub-http-fetcher': 5,
  87   'activitypub-follow': 5,
  88   'video-file-import': 1,
  89   'video-file': 1,
  90   'video-import': 1,
  91   'email': 5
  92 }
  93 const JOB_CONCURRENCY: { [ id in JobType ]: number } = {
  94   'activitypub-http-broadcast': 1,
  95   'activitypub-http-unicast': 5,
  96   'activitypub-http-fetcher': 1,
  97   'activitypub-follow': 3,
  98   'video-file-import': 1,
  99   'video-file': 1,
 100   'video-import': 1,
 101   'email': 5
 102 }
 103 const BROADCAST_CONCURRENCY = 10 // How many requests in parallel we do in activitypub-http-broadcast job
 104 const JOB_REQUEST_TIMEOUT = 3000 // 3 seconds
 105 const JOB_REQUEST_TTL = 60000 * 10 // 10 minutes
 106 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 107
 108 // 1 hour
 109 let SCHEDULER_INTERVALS_MS = {
 110   badActorFollow: 60000 * 60, // 1 hour
 111   removeOldJobs: 60000 * 60, // 1 hour
 112   updateVideos: 60000, // 1 minute
 113   youtubeDLUpdate: 60000 * 60 * 24 // 1 day
 114 }
 115
 116 // ---------------------------------------------------------------------------
 117
 118 const CONFIG = {
 119   CUSTOM_FILE: getLocalConfigFilePath(),
 120   LISTEN: {
 121     PORT: config.get<number>('listen.port'),
 122     HOSTNAME: config.get<string>('listen.hostname')
 123   },
 124   DATABASE: {
 125     DBNAME: 'peertube' + config.get<string>('database.suffix'),
 126     HOSTNAME: config.get<string>('database.hostname'),
 127     PORT: config.get<number>('database.port'),
 128     USERNAME: config.get<string>('database.username'),
 129     PASSWORD: config.get<string>('database.password'),
 130     POOL: {
 131       MAX: config.get<number>('database.pool.max')
 132     }
 133   },
 134   REDIS: {
 135     HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
 136     PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
 137     SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
 138     AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
 139     DB: config.has('redis.db') ? config.get<number>('redis.db') : null
 140   },
 141   SMTP: {
 142     HOSTNAME: config.get<string>('smtp.hostname'),
 143     PORT: config.get<number>('smtp.port'),
 144     USERNAME: config.get<string>('smtp.username'),
 145     PASSWORD: config.get<string>('smtp.password'),
 146     TLS: config.get<boolean>('smtp.tls'),
 147     DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
 148     CA_FILE: config.get<string>('smtp.ca_file'),
 149     FROM_ADDRESS: config.get<string>('smtp.from_address')
 150   },
 151   STORAGE: {
 152     AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
 153     LOG_DIR: buildPath(config.get<string>('storage.logs')),
 154     VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
 155     THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
 156     PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
 157     CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
 158     TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
 159     CACHE_DIR: buildPath(config.get<string>('storage.cache'))
 160   },
 161   WEBSERVER: {
 162     SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
 163     WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
 164     HOSTNAME: config.get<string>('webserver.hostname'),
 165     PORT: config.get<number>('webserver.port'),
 166     URL: '',
 167     HOST: ''
 168   },
 169   TRUST_PROXY: config.get<string[]>('trust_proxy'),
 170   LOG: {
 171     LEVEL: config.get<string>('log.level')
 172   },
 173   ADMIN: {
 174     get EMAIL () { return config.get<string>('admin.email') }
 175   },
 176   SIGNUP: {
 177     get ENABLED () { return config.get<boolean>('signup.enabled') },
 178     get LIMIT () { return config.get<number>('signup.limit') },
 179     FILTERS: {
 180       CIDR: {
 181         get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
 182         get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
 183       }
 184     }
 185   },
 186   USER: {
 187     get VIDEO_QUOTA () { return config.get<number>('user.video_quota') }
 188   },
 189   TRANSCODING: {
 190     get ENABLED () { return config.get<boolean>('transcoding.enabled') },
 191     get THREADS () { return config.get<number>('transcoding.threads') },
 192     RESOLUTIONS: {
 193       get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
 194       get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
 195       get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
 196       get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
 197       get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
 198     }
 199   },
 200   CACHE: {
 201     PREVIEWS: {
 202       get SIZE () { return config.get<number>('cache.previews.size') }
 203     },
 204     VIDEO_CAPTIONS: {
 205       get SIZE () { return config.get<number>('cache.captions.size') }
 206     }
 207   },
 208   INSTANCE: {
 209     get NAME () { return config.get<string>('instance.name') },
 210     get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
 211     get DESCRIPTION () { return config.get<string>('instance.description') },
 212     get TERMS () { return config.get<string>('instance.terms') },
 213     get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
 214     get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
 215     CUSTOMIZATIONS: {
 216       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
 217       get CSS () { return config.get<string>('instance.customizations.css') }
 218     },
 219     get ROBOTS () { return config.get<string>('instance.robots') }
 220   },
 221   SERVICES: {
 222     TWITTER: {
 223       get USERNAME () { return config.get<string>('services.twitter.username') },
 224       get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
 225     }
 226   }
 227 }
 228
 229 // ---------------------------------------------------------------------------
 230
 231 const CONSTRAINTS_FIELDS = {
 232   USERS: {
 233     NAME: { min: 3, max: 120 }, // Length
 234     DESCRIPTION: { min: 3, max: 250 }, // Length
 235     USERNAME: { min: 3, max: 20 }, // Length
 236     PASSWORD: { min: 6, max: 255 }, // Length
 237     VIDEO_QUOTA: { min: -1 }
 238   },
 239   VIDEO_ABUSES: {
 240     REASON: { min: 2, max: 300 } // Length
 241   },
 242   VIDEO_CHANNELS: {
 243     NAME: { min: 3, max: 120 }, // Length
 244     DESCRIPTION: { min: 3, max: 500 }, // Length
 245     SUPPORT: { min: 3, max: 500 }, // Length
 246     URL: { min: 3, max: 2000 } // Length
 247   },
 248   VIDEO_CAPTIONS: {
 249     CAPTION_FILE: {
 250       EXTNAME: [ '.vtt', '.srt' ],
 251       FILE_SIZE: {
 252         max: 2 * 1024 * 1024 // 2MB
 253       }
 254     }
 255   },
 256   VIDEO_IMPORTS: {
 257     URL: { min: 3, max: 2000 } // Length
 258   },
 259   VIDEOS: {
 260     NAME: { min: 3, max: 120 }, // Length
 261     LANGUAGE: { min: 1, max: 10 }, // Length
 262     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 263     DESCRIPTION: { min: 3, max: 10000 }, // Length
 264     SUPPORT: { min: 3, max: 500 }, // Length
 265     IMAGE: {
 266       EXTNAME: [ '.jpg', '.jpeg' ],
 267       FILE_SIZE: {
 268         max: 2 * 1024 * 1024 // 2MB
 269       }
 270     },
 271     EXTNAME: [ '.mp4', '.ogv', '.webm' ],
 272     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 273     DURATION: { min: 0 }, // Number
 274     TAGS: { min: 0, max: 5 }, // Number of total tags
 275     TAG: { min: 2, max: 30 }, // Length
 276     THUMBNAIL: { min: 2, max: 30 },
 277     THUMBNAIL_DATA: { min: 0, max: 20000 }, // Bytes
 278     VIEWS: { min: 0 },
 279     LIKES: { min: 0 },
 280     DISLIKES: { min: 0 },
 281     FILE_SIZE: { min: 10 },
 282     URL: { min: 3, max: 2000 } // Length
 283   },
 284   ACTORS: {
 285     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 286     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 287     URL: { min: 3, max: 2000 }, // Length
 288     AVATAR: {
 289       EXTNAME: [ '.png', '.jpeg', '.jpg' ],
 290       FILE_SIZE: {
 291         max: 2 * 1024 * 1024 // 2MB
 292       }
 293     }
 294   },
 295   VIDEO_EVENTS: {
 296     COUNT: { min: 0 }
 297   },
 298   VIDEO_COMMENTS: {
 299     TEXT: { min: 1, max: 3000 }, // Length
 300     URL: { min: 3, max: 2000 } // Length
 301   },
 302   VIDEO_SHARE: {
 303     URL: { min: 3, max: 2000 } // Length
 304   }
 305 }
 306
 307 const RATES_LIMIT = {
 308   LOGIN: {
 309     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 310     MAX: 15 // 15 attempts
 311   }
 312 }
 313
 314 let VIDEO_VIEW_LIFETIME = 60000 * 60 // 1 hour
 315 const VIDEO_TRANSCODING_FPS = {
 316   MIN: 10,
 317   AVERAGE: 30,
 318   MAX: 60,
 319   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 320 }
 321
 322 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 323   LIKE: 'like',
 324   DISLIKE: 'dislike'
 325 }
 326
 327 const FFMPEG_NICE: { [ id: string ]: number } = {
 328   THUMBNAIL: 2, // 2 just for don't blocking servers
 329   TRANSCODING: 15
 330 }
 331
 332 const VIDEO_CATEGORIES = {
 333   1: 'Music',
 334   2: 'Films',
 335   3: 'Vehicles',
 336   4: 'Art',
 337   5: 'Sports',
 338   6: 'Travels',
 339   7: 'Gaming',
 340   8: 'People',
 341   9: 'Comedy',
 342   10: 'Entertainment',
 343   11: 'News',
 344   12: 'How To',
 345   13: 'Education',
 346   14: 'Activism',
 347   15: 'Science & Technology',
 348   16: 'Animals',
 349   17: 'Kids',
 350   18: 'Food'
 351 }
 352
 353 // See https://creativecommons.org/licenses/?lang=en
 354 const VIDEO_LICENCES = {
 355   1: 'Attribution',
 356   2: 'Attribution - Share Alike',
 357   3: 'Attribution - No Derivatives',
 358   4: 'Attribution - Non Commercial',
 359   5: 'Attribution - Non Commercial - Share Alike',
 360   6: 'Attribution - Non Commercial - No Derivatives',
 361   7: 'Public Domain Dedication'
 362 }
 363
 364 const VIDEO_LANGUAGES = buildLanguages()
 365
 366 const VIDEO_PRIVACIES = {
 367   [VideoPrivacy.PUBLIC]: 'Public',
 368   [VideoPrivacy.UNLISTED]: 'Unlisted',
 369   [VideoPrivacy.PRIVATE]: 'Private'
 370 }
 371
 372 const VIDEO_STATES = {
 373   [VideoState.PUBLISHED]: 'Published',
 374   [VideoState.TO_TRANSCODE]: 'To transcode',
 375   [VideoState.TO_IMPORT]: 'To import'
 376 }
 377
 378 const VIDEO_IMPORT_STATES = {
 379   [VideoImportState.FAILED]: 'Failed',
 380   [VideoImportState.PENDING]: 'Pending',
 381   [VideoImportState.SUCCESS]: 'Success'
 382 }
 383
 384 const VIDEO_MIMETYPE_EXT = {
 385   'video/webm': '.webm',
 386   'video/ogg': '.ogv',
 387   'video/mp4': '.mp4'
 388 }
 389 const VIDEO_EXT_MIMETYPE = invert(VIDEO_MIMETYPE_EXT)
 390
 391 const IMAGE_MIMETYPE_EXT = {
 392   'image/png': '.png',
 393   'image/jpg': '.jpg',
 394   'image/jpeg': '.jpg'
 395 }
 396
 397 const VIDEO_CAPTIONS_MIMETYPE_EXT = {
 398   'text/vtt': '.vtt',
 399   'application/x-subrip': '.srt'
 400 }
 401
 402 // ---------------------------------------------------------------------------
 403
 404 const SERVER_ACTOR_NAME = 'peertube'
 405
 406 const ACTIVITY_PUB = {
 407   POTENTIAL_ACCEPT_HEADERS: [
 408     'application/activity+json',
 409     'application/ld+json',
 410     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 411   ],
 412   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 413   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 414   COLLECTION_ITEMS_PER_PAGE: 10,
 415   FETCH_PAGE_LIMIT: 100,
 416   URL_MIME_TYPES: {
 417     VIDEO: Object.keys(VIDEO_MIMETYPE_EXT),
 418     TORRENT: [ 'application/x-bittorrent' ],
 419     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 420   },
 421   MAX_RECURSION_COMMENTS: 100,
 422   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 // 1 day
 423 }
 424
 425 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 426   GROUP: 'Group',
 427   PERSON: 'Person',
 428   APPLICATION: 'Application'
 429 }
 430
 431 // ---------------------------------------------------------------------------
 432
 433 const PRIVATE_RSA_KEY_SIZE = 2048
 434
 435 // Password encryption
 436 const BCRYPT_SALT_SIZE = 10
 437
 438 const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 439
 440 const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
 441   DO_NOT_LIST: 'do_not_list',
 442   BLUR: 'blur',
 443   DISPLAY: 'display'
 444 }
 445
 446 // ---------------------------------------------------------------------------
 447
 448 // Express static paths (router)
 449 const STATIC_PATHS = {
 450   PREVIEWS: '/static/previews/',
 451   THUMBNAILS: '/static/thumbnails/',
 452   TORRENTS: '/static/torrents/',
 453   WEBSEED: '/static/webseed/',
 454   AVATARS: '/static/avatars/',
 455   VIDEO_CAPTIONS: '/static/video-captions/'
 456 }
 457 const STATIC_DOWNLOAD_PATHS = {
 458   TORRENTS: '/download/torrents/',
 459   VIDEOS: '/download/videos/'
 460 }
 461
 462 // Cache control
 463 let STATIC_MAX_AGE = '2h'
 464
 465 // Videos thumbnail size
 466 const THUMBNAILS_SIZE = {
 467   width: 200,
 468   height: 110
 469 }
 470 const PREVIEWS_SIZE = {
 471   width: 560,
 472   height: 315
 473 }
 474 const AVATARS_SIZE = {
 475   width: 120,
 476   height: 120
 477 }
 478
 479 const EMBED_SIZE = {
 480   width: 560,
 481   height: 315
 482 }
 483
 484 // Sub folders of cache directory
 485 const CACHE = {
 486   PREVIEWS: {
 487     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 488     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 489   },
 490   VIDEO_CAPTIONS: {
 491     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 492     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 493   }
 494 }
 495
 496 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 497
 498 // ---------------------------------------------------------------------------
 499
 500 const CUSTOM_HTML_TAG_COMMENTS = {
 501   TITLE: '<!-- title tag -->',
 502   DESCRIPTION: '<!-- description tag -->',
 503   CUSTOM_CSS: '<!-- custom css tag -->',
 504   OPENGRAPH_AND_OEMBED: '<!-- open graph and oembed tags -->'
 505 }
 506
 507 // ---------------------------------------------------------------------------
 508
 509 const FEEDS = {
 510   COUNT: 20
 511 }
 512
 513 // ---------------------------------------------------------------------------
 514
 515 const TRACKER_RATE_LIMITS = {
 516   INTERVAL: 60000 * 5, // 5 minutes
 517   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 518   ANNOUNCES_PER_IP: 30 // maximum announces for all our torrents in the interval
 519 }
 520
 521 // ---------------------------------------------------------------------------
 522
 523 // Special constants for a test instance
 524 if (isTestInstance() === true) {
 525   ACTOR_FOLLOW_SCORE.BASE = 20
 526
 527   REMOTE_SCHEME.HTTP = 'http'
 528   REMOTE_SCHEME.WS = 'ws'
 529
 530   STATIC_MAX_AGE = '0'
 531
 532   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 533   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 534
 535   CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max = 100 * 1024 // 100KB
 536
 537   SCHEDULER_INTERVALS_MS.badActorFollow = 10000
 538   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 539   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 540
 541   VIDEO_VIEW_LIFETIME = 1000 // 1 second
 542
 543   JOB_ATTEMPTS['email'] = 1
 544
 545   CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 546 }
 547
 548 updateWebserverConfig()
 549
 550 // ---------------------------------------------------------------------------
 551
 552 export {
 553   API_VERSION,
 554   VIDEO_CAPTIONS_MIMETYPE_EXT,
 555   AVATARS_SIZE,
 556   ACCEPT_HEADERS,
 557   BCRYPT_SALT_SIZE,
 558   TRACKER_RATE_LIMITS,
 559   CACHE,
 560   CONFIG,
 561   CONSTRAINTS_FIELDS,
 562   EMBED_SIZE,
 563   JOB_CONCURRENCY,
 564   JOB_ATTEMPTS,
 565   LAST_MIGRATION_VERSION,
 566   OAUTH_LIFETIME,
 567   CUSTOM_HTML_TAG_COMMENTS,
 568   BROADCAST_CONCURRENCY,
 569   PAGINATION,
 570   ACTOR_FOLLOW_SCORE,
 571   PREVIEWS_SIZE,
 572   REMOTE_SCHEME,
 573   FOLLOW_STATES,
 574   SERVER_ACTOR_NAME,
 575   PRIVATE_RSA_KEY_SIZE,
 576   ROUTE_CACHE_LIFETIME,
 577   SORTABLE_COLUMNS,
 578   FEEDS,
 579   NSFW_POLICY_TYPES,
 580   STATIC_MAX_AGE,
 581   STATIC_PATHS,
 582   ACTIVITY_PUB,
 583   ACTIVITY_PUB_ACTOR_TYPES,
 584   THUMBNAILS_SIZE,
 585   VIDEO_CATEGORIES,
 586   VIDEO_LANGUAGES,
 587   VIDEO_PRIVACIES,
 588   VIDEO_LICENCES,
 589   VIDEO_STATES,
 590   VIDEO_RATE_TYPES,
 591   VIDEO_MIMETYPE_EXT,
 592   VIDEO_TRANSCODING_FPS,
 593   FFMPEG_NICE,
 594   JOB_REQUEST_TIMEOUT,
 595   JOB_REQUEST_TTL,
 596   USER_PASSWORD_RESET_LIFETIME,
 597   IMAGE_MIMETYPE_EXT,
 598   SCHEDULER_INTERVALS_MS,
 599   STATIC_DOWNLOAD_PATHS,
 600   RATES_LIMIT,
 601   VIDEO_EXT_MIMETYPE,
 602   JOB_COMPLETED_LIFETIME,
 603   VIDEO_IMPORT_STATES,
 604   VIDEO_VIEW_LIFETIME,
 605   buildLanguages
 606 }
 607
 608 // ---------------------------------------------------------------------------
 609
 610 function getLocalConfigFilePath () {
 611   const configSources = config.util.getConfigSources()
 612   if (configSources.length === 0) throw new Error('Invalid config source.')
 613
 614   let filename = 'local'
 615   if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
 616   if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
 617
 618   return join(dirname(configSources[ 0 ].name), filename + '.json')
 619 }
 620
 621 function updateWebserverConfig () {
 622   CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 623   CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 624 }
 625
 626 function buildLanguages () {
 627   const iso639 = require('iso-639-3')
 628
 629   const languages: { [ id: string ]: string } = {}
 630
 631   const additionalLanguages = {
 632     'sgn': true, // Sign languages (macro language)
 633     'ase': true, // American sign language
 634     'sdl': true, // Arabian sign language
 635     'bfi': true, // British sign language
 636     'bzs': true, // Brazilian sign language
 637     'csl': true, // Chinese sign language
 638     'cse': true, // Czech sign language
 639     'dsl': true, // Danish sign language
 640     'fsl': true, // French sign language
 641     'gsg': true, // German sign language
 642     'pks': true, // Pakistan sign language
 643     'jsl': true, // Japanese sign language
 644     'sfs': true, // South African sign language
 645     'swl': true, // Swedish sign language
 646     'rsl': true, // Russian sign language: true
 647
 648     'epo': true, // Esperanto
 649     'tlh': true, // Klingon
 650     'jbo': true, // Lojban
 651     'avk': true // Kotava
 652   }
 653
 654   // Only add ISO639-1 languages and some sign languages (ISO639-3)
 655   iso639
 656     .filter(l => {
 657       return (l.iso6391 !== null && l.type === 'living') ||
 658         additionalLanguages[l.iso6393] === true
 659     })
 660     .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
 661
 662   return languages
 663 }
 664
 665 export function reloadConfig () {
 666
 667   function directory () {
 668     if (process.env.NODE_CONFIG_DIR) {
 669       return process.env.NODE_CONFIG_DIR
 670     }
 671
 672     return join(root(), 'config')
 673   }
 674
 675   function purge () {
 676     for (const fileName in require.cache) {
 677       if (-1 === fileName.indexOf(directory())) {
 678         continue
 679       }
 680
 681       delete require.cache[fileName]
 682     }
 683
 684     delete require.cache[require.resolve('config')]
 685   }
 686
 687   purge()
 688
 689   config = require('config')
 690
 691   updateWebserverConfig()
 692 }