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