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 JOB_TTL: { [ id in JobType ]: number } = {
 104   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 105   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 106   'activitypub-http-fetcher': 60000 * 10, // 10 minutes
 107   'activitypub-follow': 60000 * 10, // 10 minutes
 108   'video-file-import': 1000 * 3600, // 1 hour
 109   'video-file': 1000 * 3600 * 48, // 2 days, transcoding could be long
 110   'video-import': 1000 * 3600 * 5, // 5 hours
 111   'email': 60000 * 10 // 10 minutes
 112 }
 113 const BROADCAST_CONCURRENCY = 10 // How many requests in parallel we do in activitypub-http-broadcast job
 114 const JOB_REQUEST_TIMEOUT = 3000 // 3 seconds
 115 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 116
 117 // 1 hour
 118 let SCHEDULER_INTERVALS_MS = {
 119   badActorFollow: 60000 * 60, // 1 hour
 120   removeOldJobs: 60000 * 60, // 1 hour
 121   updateVideos: 60000, // 1 minute
 122   youtubeDLUpdate: 60000 * 60 * 24 // 1 day
 123 }
 124
 125 // ---------------------------------------------------------------------------
 126
 127 const CONFIG = {
 128   CUSTOM_FILE: getLocalConfigFilePath(),
 129   LISTEN: {
 130     PORT: config.get<number>('listen.port'),
 131     HOSTNAME: config.get<string>('listen.hostname')
 132   },
 133   DATABASE: {
 134     DBNAME: 'peertube' + config.get<string>('database.suffix'),
 135     HOSTNAME: config.get<string>('database.hostname'),
 136     PORT: config.get<number>('database.port'),
 137     USERNAME: config.get<string>('database.username'),
 138     PASSWORD: config.get<string>('database.password'),
 139     POOL: {
 140       MAX: config.get<number>('database.pool.max')
 141     }
 142   },
 143   REDIS: {
 144     HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
 145     PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
 146     SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
 147     AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
 148     DB: config.has('redis.db') ? config.get<number>('redis.db') : null
 149   },
 150   SMTP: {
 151     HOSTNAME: config.get<string>('smtp.hostname'),
 152     PORT: config.get<number>('smtp.port'),
 153     USERNAME: config.get<string>('smtp.username'),
 154     PASSWORD: config.get<string>('smtp.password'),
 155     TLS: config.get<boolean>('smtp.tls'),
 156     DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
 157     CA_FILE: config.get<string>('smtp.ca_file'),
 158     FROM_ADDRESS: config.get<string>('smtp.from_address')
 159   },
 160   STORAGE: {
 161     AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
 162     LOG_DIR: buildPath(config.get<string>('storage.logs')),
 163     VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
 164     THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
 165     PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
 166     CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
 167     TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
 168     CACHE_DIR: buildPath(config.get<string>('storage.cache'))
 169   },
 170   WEBSERVER: {
 171     SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
 172     WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
 173     HOSTNAME: config.get<string>('webserver.hostname'),
 174     PORT: config.get<number>('webserver.port'),
 175     URL: '',
 176     HOST: ''
 177   },
 178   TRUST_PROXY: config.get<string[]>('trust_proxy'),
 179   LOG: {
 180     LEVEL: config.get<string>('log.level')
 181   },
 182   ADMIN: {
 183     get EMAIL () { return config.get<string>('admin.email') }
 184   },
 185   SIGNUP: {
 186     get ENABLED () { return config.get<boolean>('signup.enabled') },
 187     get LIMIT () { return config.get<number>('signup.limit') },
 188     FILTERS: {
 189       CIDR: {
 190         get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
 191         get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
 192       }
 193     }
 194   },
 195   USER: {
 196     get VIDEO_QUOTA () { return config.get<number>('user.video_quota') }
 197   },
 198   TRANSCODING: {
 199     get ENABLED () { return config.get<boolean>('transcoding.enabled') },
 200     get THREADS () { return config.get<number>('transcoding.threads') },
 201     RESOLUTIONS: {
 202       get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
 203       get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
 204       get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
 205       get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
 206       get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
 207     }
 208   },
 209   CACHE: {
 210     PREVIEWS: {
 211       get SIZE () { return config.get<number>('cache.previews.size') }
 212     },
 213     VIDEO_CAPTIONS: {
 214       get SIZE () { return config.get<number>('cache.captions.size') }
 215     }
 216   },
 217   INSTANCE: {
 218     get NAME () { return config.get<string>('instance.name') },
 219     get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
 220     get DESCRIPTION () { return config.get<string>('instance.description') },
 221     get TERMS () { return config.get<string>('instance.terms') },
 222     get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
 223     get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
 224     CUSTOMIZATIONS: {
 225       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
 226       get CSS () { return config.get<string>('instance.customizations.css') }
 227     },
 228     get ROBOTS () { return config.get<string>('instance.robots') }
 229   },
 230   SERVICES: {
 231     TWITTER: {
 232       get USERNAME () { return config.get<string>('services.twitter.username') },
 233       get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
 234     }
 235   }
 236 }
 237
 238 // ---------------------------------------------------------------------------
 239
 240 const CONSTRAINTS_FIELDS = {
 241   USERS: {
 242     NAME: { min: 3, max: 120 }, // Length
 243     DESCRIPTION: { min: 3, max: 250 }, // Length
 244     USERNAME: { min: 3, max: 20 }, // Length
 245     PASSWORD: { min: 6, max: 255 }, // Length
 246     VIDEO_QUOTA: { min: -1 }
 247   },
 248   VIDEO_ABUSES: {
 249     REASON: { min: 2, max: 300 } // Length
 250   },
 251   VIDEO_CHANNELS: {
 252     NAME: { min: 3, max: 120 }, // Length
 253     DESCRIPTION: { min: 3, max: 500 }, // Length
 254     SUPPORT: { min: 3, max: 500 }, // Length
 255     URL: { min: 3, max: 2000 } // Length
 256   },
 257   VIDEO_CAPTIONS: {
 258     CAPTION_FILE: {
 259       EXTNAME: [ '.vtt', '.srt' ],
 260       FILE_SIZE: {
 261         max: 2 * 1024 * 1024 // 2MB
 262       }
 263     }
 264   },
 265   VIDEO_IMPORTS: {
 266     URL: { min: 3, max: 2000 } // Length
 267   },
 268   VIDEOS: {
 269     NAME: { min: 3, max: 120 }, // Length
 270     LANGUAGE: { min: 1, max: 10 }, // Length
 271     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 272     DESCRIPTION: { min: 3, max: 10000 }, // Length
 273     SUPPORT: { min: 3, max: 500 }, // Length
 274     IMAGE: {
 275       EXTNAME: [ '.jpg', '.jpeg' ],
 276       FILE_SIZE: {
 277         max: 2 * 1024 * 1024 // 2MB
 278       }
 279     },
 280     EXTNAME: [ '.mp4', '.ogv', '.webm' ],
 281     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 282     DURATION: { min: 0 }, // Number
 283     TAGS: { min: 0, max: 5 }, // Number of total tags
 284     TAG: { min: 2, max: 30 }, // Length
 285     THUMBNAIL: { min: 2, max: 30 },
 286     THUMBNAIL_DATA: { min: 0, max: 20000 }, // Bytes
 287     VIEWS: { min: 0 },
 288     LIKES: { min: 0 },
 289     DISLIKES: { min: 0 },
 290     FILE_SIZE: { min: 10 },
 291     URL: { min: 3, max: 2000 } // Length
 292   },
 293   ACTORS: {
 294     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 295     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 296     URL: { min: 3, max: 2000 }, // Length
 297     AVATAR: {
 298       EXTNAME: [ '.png', '.jpeg', '.jpg' ],
 299       FILE_SIZE: {
 300         max: 2 * 1024 * 1024 // 2MB
 301       }
 302     }
 303   },
 304   VIDEO_EVENTS: {
 305     COUNT: { min: 0 }
 306   },
 307   VIDEO_COMMENTS: {
 308     TEXT: { min: 1, max: 3000 }, // Length
 309     URL: { min: 3, max: 2000 } // Length
 310   },
 311   VIDEO_SHARE: {
 312     URL: { min: 3, max: 2000 } // Length
 313   }
 314 }
 315
 316 const RATES_LIMIT = {
 317   LOGIN: {
 318     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 319     MAX: 15 // 15 attempts
 320   }
 321 }
 322
 323 let VIDEO_VIEW_LIFETIME = 60000 * 60 // 1 hour
 324 const VIDEO_TRANSCODING_FPS = {
 325   MIN: 10,
 326   AVERAGE: 30,
 327   MAX: 60,
 328   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 329 }
 330
 331 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 332   LIKE: 'like',
 333   DISLIKE: 'dislike'
 334 }
 335
 336 const FFMPEG_NICE: { [ id: string ]: number } = {
 337   THUMBNAIL: 2, // 2 just for don't blocking servers
 338   TRANSCODING: 15
 339 }
 340
 341 const VIDEO_CATEGORIES = {
 342   1: 'Music',
 343   2: 'Films',
 344   3: 'Vehicles',
 345   4: 'Art',
 346   5: 'Sports',
 347   6: 'Travels',
 348   7: 'Gaming',
 349   8: 'People',
 350   9: 'Comedy',
 351   10: 'Entertainment',
 352   11: 'News',
 353   12: 'How To',
 354   13: 'Education',
 355   14: 'Activism',
 356   15: 'Science & Technology',
 357   16: 'Animals',
 358   17: 'Kids',
 359   18: 'Food'
 360 }
 361
 362 // See https://creativecommons.org/licenses/?lang=en
 363 const VIDEO_LICENCES = {
 364   1: 'Attribution',
 365   2: 'Attribution - Share Alike',
 366   3: 'Attribution - No Derivatives',
 367   4: 'Attribution - Non Commercial',
 368   5: 'Attribution - Non Commercial - Share Alike',
 369   6: 'Attribution - Non Commercial - No Derivatives',
 370   7: 'Public Domain Dedication'
 371 }
 372
 373 const VIDEO_LANGUAGES = buildLanguages()
 374
 375 const VIDEO_PRIVACIES = {
 376   [VideoPrivacy.PUBLIC]: 'Public',
 377   [VideoPrivacy.UNLISTED]: 'Unlisted',
 378   [VideoPrivacy.PRIVATE]: 'Private'
 379 }
 380
 381 const VIDEO_STATES = {
 382   [VideoState.PUBLISHED]: 'Published',
 383   [VideoState.TO_TRANSCODE]: 'To transcode',
 384   [VideoState.TO_IMPORT]: 'To import'
 385 }
 386
 387 const VIDEO_IMPORT_STATES = {
 388   [VideoImportState.FAILED]: 'Failed',
 389   [VideoImportState.PENDING]: 'Pending',
 390   [VideoImportState.SUCCESS]: 'Success'
 391 }
 392
 393 const VIDEO_MIMETYPE_EXT = {
 394   'video/webm': '.webm',
 395   'video/ogg': '.ogv',
 396   'video/mp4': '.mp4'
 397 }
 398 const VIDEO_EXT_MIMETYPE = invert(VIDEO_MIMETYPE_EXT)
 399
 400 const IMAGE_MIMETYPE_EXT = {
 401   'image/png': '.png',
 402   'image/jpg': '.jpg',
 403   'image/jpeg': '.jpg'
 404 }
 405
 406 const VIDEO_CAPTIONS_MIMETYPE_EXT = {
 407   'text/vtt': '.vtt',
 408   'application/x-subrip': '.srt'
 409 }
 410
 411 // ---------------------------------------------------------------------------
 412
 413 const SERVER_ACTOR_NAME = 'peertube'
 414
 415 const ACTIVITY_PUB = {
 416   POTENTIAL_ACCEPT_HEADERS: [
 417     'application/activity+json',
 418     'application/ld+json',
 419     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 420   ],
 421   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 422   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 423   COLLECTION_ITEMS_PER_PAGE: 10,
 424   FETCH_PAGE_LIMIT: 100,
 425   URL_MIME_TYPES: {
 426     VIDEO: Object.keys(VIDEO_MIMETYPE_EXT),
 427     TORRENT: [ 'application/x-bittorrent' ],
 428     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 429   },
 430   MAX_RECURSION_COMMENTS: 100,
 431   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 // 1 day
 432 }
 433
 434 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 435   GROUP: 'Group',
 436   PERSON: 'Person',
 437   APPLICATION: 'Application'
 438 }
 439
 440 // ---------------------------------------------------------------------------
 441
 442 const PRIVATE_RSA_KEY_SIZE = 2048
 443
 444 // Password encryption
 445 const BCRYPT_SALT_SIZE = 10
 446
 447 const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 448
 449 const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
 450   DO_NOT_LIST: 'do_not_list',
 451   BLUR: 'blur',
 452   DISPLAY: 'display'
 453 }
 454
 455 // ---------------------------------------------------------------------------
 456
 457 // Express static paths (router)
 458 const STATIC_PATHS = {
 459   PREVIEWS: '/static/previews/',
 460   THUMBNAILS: '/static/thumbnails/',
 461   TORRENTS: '/static/torrents/',
 462   WEBSEED: '/static/webseed/',
 463   AVATARS: '/static/avatars/',
 464   VIDEO_CAPTIONS: '/static/video-captions/'
 465 }
 466 const STATIC_DOWNLOAD_PATHS = {
 467   TORRENTS: '/download/torrents/',
 468   VIDEOS: '/download/videos/'
 469 }
 470
 471 // Cache control
 472 let STATIC_MAX_AGE = '2h'
 473
 474 // Videos thumbnail size
 475 const THUMBNAILS_SIZE = {
 476   width: 200,
 477   height: 110
 478 }
 479 const PREVIEWS_SIZE = {
 480   width: 560,
 481   height: 315
 482 }
 483 const AVATARS_SIZE = {
 484   width: 120,
 485   height: 120
 486 }
 487
 488 const EMBED_SIZE = {
 489   width: 560,
 490   height: 315
 491 }
 492
 493 // Sub folders of cache directory
 494 const CACHE = {
 495   PREVIEWS: {
 496     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 497     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 498   },
 499   VIDEO_CAPTIONS: {
 500     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 501     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 502   }
 503 }
 504
 505 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 506
 507 // ---------------------------------------------------------------------------
 508
 509 const CUSTOM_HTML_TAG_COMMENTS = {
 510   TITLE: '<!-- title tag -->',
 511   DESCRIPTION: '<!-- description tag -->',
 512   CUSTOM_CSS: '<!-- custom css tag -->',
 513   OPENGRAPH_AND_OEMBED: '<!-- open graph and oembed tags -->'
 514 }
 515
 516 // ---------------------------------------------------------------------------
 517
 518 const FEEDS = {
 519   COUNT: 20
 520 }
 521
 522 // ---------------------------------------------------------------------------
 523
 524 const TRACKER_RATE_LIMITS = {
 525   INTERVAL: 60000 * 5, // 5 minutes
 526   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 527   ANNOUNCES_PER_IP: 30 // maximum announces for all our torrents in the interval
 528 }
 529
 530 // ---------------------------------------------------------------------------
 531
 532 // Special constants for a test instance
 533 if (isTestInstance() === true) {
 534   ACTOR_FOLLOW_SCORE.BASE = 20
 535
 536   REMOTE_SCHEME.HTTP = 'http'
 537   REMOTE_SCHEME.WS = 'ws'
 538
 539   STATIC_MAX_AGE = '0'
 540
 541   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 542   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 543
 544   CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max = 100 * 1024 // 100KB
 545
 546   SCHEDULER_INTERVALS_MS.badActorFollow = 10000
 547   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 548   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 549
 550   VIDEO_VIEW_LIFETIME = 1000 // 1 second
 551
 552   JOB_ATTEMPTS['email'] = 1
 553
 554   CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 555 }
 556
 557 updateWebserverConfig()
 558
 559 // ---------------------------------------------------------------------------
 560
 561 export {
 562   API_VERSION,
 563   VIDEO_CAPTIONS_MIMETYPE_EXT,
 564   AVATARS_SIZE,
 565   ACCEPT_HEADERS,
 566   BCRYPT_SALT_SIZE,
 567   TRACKER_RATE_LIMITS,
 568   CACHE,
 569   CONFIG,
 570   CONSTRAINTS_FIELDS,
 571   EMBED_SIZE,
 572   JOB_CONCURRENCY,
 573   JOB_ATTEMPTS,
 574   LAST_MIGRATION_VERSION,
 575   OAUTH_LIFETIME,
 576   CUSTOM_HTML_TAG_COMMENTS,
 577   BROADCAST_CONCURRENCY,
 578   PAGINATION,
 579   ACTOR_FOLLOW_SCORE,
 580   PREVIEWS_SIZE,
 581   REMOTE_SCHEME,
 582   FOLLOW_STATES,
 583   SERVER_ACTOR_NAME,
 584   PRIVATE_RSA_KEY_SIZE,
 585   ROUTE_CACHE_LIFETIME,
 586   SORTABLE_COLUMNS,
 587   FEEDS,
 588   JOB_TTL,
 589   NSFW_POLICY_TYPES,
 590   STATIC_MAX_AGE,
 591   STATIC_PATHS,
 592   ACTIVITY_PUB,
 593   ACTIVITY_PUB_ACTOR_TYPES,
 594   THUMBNAILS_SIZE,
 595   VIDEO_CATEGORIES,
 596   VIDEO_LANGUAGES,
 597   VIDEO_PRIVACIES,
 598   VIDEO_LICENCES,
 599   VIDEO_STATES,
 600   VIDEO_RATE_TYPES,
 601   VIDEO_MIMETYPE_EXT,
 602   VIDEO_TRANSCODING_FPS,
 603   FFMPEG_NICE,
 604   JOB_REQUEST_TIMEOUT,
 605   USER_PASSWORD_RESET_LIFETIME,
 606   IMAGE_MIMETYPE_EXT,
 607   SCHEDULER_INTERVALS_MS,
 608   STATIC_DOWNLOAD_PATHS,
 609   RATES_LIMIT,
 610   VIDEO_EXT_MIMETYPE,
 611   JOB_COMPLETED_LIFETIME,
 612   VIDEO_IMPORT_STATES,
 613   VIDEO_VIEW_LIFETIME,
 614   buildLanguages
 615 }
 616
 617 // ---------------------------------------------------------------------------
 618
 619 function getLocalConfigFilePath () {
 620   const configSources = config.util.getConfigSources()
 621   if (configSources.length === 0) throw new Error('Invalid config source.')
 622
 623   let filename = 'local'
 624   if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
 625   if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
 626
 627   return join(dirname(configSources[ 0 ].name), filename + '.json')
 628 }
 629
 630 function updateWebserverConfig () {
 631   CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 632   CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 633 }
 634
 635 function buildLanguages () {
 636   const iso639 = require('iso-639-3')
 637
 638   const languages: { [ id: string ]: string } = {}
 639
 640   const additionalLanguages = {
 641     'sgn': true, // Sign languages (macro language)
 642     'ase': true, // American sign language
 643     'sdl': true, // Arabian sign language
 644     'bfi': true, // British sign language
 645     'bzs': true, // Brazilian sign language
 646     'csl': true, // Chinese sign language
 647     'cse': true, // Czech sign language
 648     'dsl': true, // Danish sign language
 649     'fsl': true, // French sign language
 650     'gsg': true, // German sign language
 651     'pks': true, // Pakistan sign language
 652     'jsl': true, // Japanese sign language
 653     'sfs': true, // South African sign language
 654     'swl': true, // Swedish sign language
 655     'rsl': true, // Russian sign language: true
 656
 657     'epo': true, // Esperanto
 658     'tlh': true, // Klingon
 659     'jbo': true, // Lojban
 660     'avk': true // Kotava
 661   }
 662
 663   // Only add ISO639-1 languages and some sign languages (ISO639-3)
 664   iso639
 665     .filter(l => {
 666       return (l.iso6391 !== null && l.type === 'living') ||
 667         additionalLanguages[l.iso6393] === true
 668     })
 669     .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
 670
 671   return languages
 672 }
 673
 674 export function reloadConfig () {
 675
 676   function directory () {
 677     if (process.env.NODE_CONFIG_DIR) {
 678       return process.env.NODE_CONFIG_DIR
 679     }
 680
 681     return join(root(), 'config')
 682   }
 683
 684   function purge () {
 685     for (const fileName in require.cache) {
 686       if (-1 === fileName.indexOf(directory())) {
 687         continue
 688       }
 689
 690       delete require.cache[fileName]
 691     }
 692
 693     delete require.cache[require.resolve('config')]
 694   }
 695
 696   purge()
 697
 698   config = require('config')
 699
 700   updateWebserverConfig()
 701 }