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 = 245
  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   DNT_POLICY: '1 week',
  59   ACTIVITY_PUB: {
  60     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
  61   }
  62 }
  63
  64 // ---------------------------------------------------------------------------
  65
  66 // Number of points we add/remove after a successful/bad request
  67 const ACTOR_FOLLOW_SCORE = {
  68   PENALTY: -10,
  69   BONUS: 10,
  70   BASE: 1000,
  71   MAX: 10000
  72 }
  73
  74 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
  75   PENDING: 'pending',
  76   ACCEPTED: 'accepted'
  77 }
  78
  79 const REMOTE_SCHEME = {
  80   HTTP: 'https',
  81   WS: 'wss'
  82 }
  83
  84 const JOB_ATTEMPTS: { [ id in JobType ]: number } = {
  85   'activitypub-http-broadcast': 5,
  86   'activitypub-http-unicast': 5,
  87   'activitypub-http-fetcher': 5,
  88   'activitypub-follow': 5,
  89   'video-file-import': 1,
  90   'video-file': 1,
  91   'video-import': 1,
  92   'email': 5
  93 }
  94 const JOB_CONCURRENCY: { [ id in JobType ]: number } = {
  95   'activitypub-http-broadcast': 1,
  96   'activitypub-http-unicast': 5,
  97   'activitypub-http-fetcher': 1,
  98   'activitypub-follow': 3,
  99   'video-file-import': 1,
 100   'video-file': 1,
 101   'video-import': 1,
 102   'email': 5
 103 }
 104 const JOB_TTL: { [ id in JobType ]: number } = {
 105   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 106   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 107   'activitypub-http-fetcher': 60000 * 10, // 10 minutes
 108   'activitypub-follow': 60000 * 10, // 10 minutes
 109   'video-file-import': 1000 * 3600, // 1 hour
 110   'video-file': 1000 * 3600 * 48, // 2 days, transcoding could be long
 111   'video-import': 1000 * 3600 * 5, // 5 hours
 112   'email': 60000 * 10 // 10 minutes
 113 }
 114 const BROADCAST_CONCURRENCY = 10 // How many requests in parallel we do in activitypub-http-broadcast job
 115 const JOB_REQUEST_TIMEOUT = 3000 // 3 seconds
 116 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 117
 118 // 1 hour
 119 let SCHEDULER_INTERVALS_MS = {
 120   badActorFollow: 60000 * 60, // 1 hour
 121   removeOldJobs: 60000 * 60, // 1 hour
 122   updateVideos: 60000, // 1 minute
 123   youtubeDLUpdate: 60000 * 60 * 24 // 1 day
 124 }
 125
 126 // ---------------------------------------------------------------------------
 127
 128 const CONFIG = {
 129   CUSTOM_FILE: getLocalConfigFilePath(),
 130   LISTEN: {
 131     PORT: config.get<number>('listen.port'),
 132     HOSTNAME: config.get<string>('listen.hostname')
 133   },
 134   DATABASE: {
 135     DBNAME: 'peertube' + config.get<string>('database.suffix'),
 136     HOSTNAME: config.get<string>('database.hostname'),
 137     PORT: config.get<number>('database.port'),
 138     USERNAME: config.get<string>('database.username'),
 139     PASSWORD: config.get<string>('database.password'),
 140     POOL: {
 141       MAX: config.get<number>('database.pool.max')
 142     }
 143   },
 144   REDIS: {
 145     HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
 146     PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
 147     SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
 148     AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
 149     DB: config.has('redis.db') ? config.get<number>('redis.db') : null
 150   },
 151   SMTP: {
 152     HOSTNAME: config.get<string>('smtp.hostname'),
 153     PORT: config.get<number>('smtp.port'),
 154     USERNAME: config.get<string>('smtp.username'),
 155     PASSWORD: config.get<string>('smtp.password'),
 156     TLS: config.get<boolean>('smtp.tls'),
 157     DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
 158     CA_FILE: config.get<string>('smtp.ca_file'),
 159     FROM_ADDRESS: config.get<string>('smtp.from_address')
 160   },
 161   STORAGE: {
 162     AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
 163     LOG_DIR: buildPath(config.get<string>('storage.logs')),
 164     VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
 165     THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
 166     PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
 167     CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
 168     TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
 169     CACHE_DIR: buildPath(config.get<string>('storage.cache'))
 170   },
 171   WEBSERVER: {
 172     SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
 173     WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
 174     HOSTNAME: config.get<string>('webserver.hostname'),
 175     PORT: config.get<number>('webserver.port'),
 176     URL: '',
 177     HOST: ''
 178   },
 179   TRUST_PROXY: config.get<string[]>('trust_proxy'),
 180   LOG: {
 181     LEVEL: config.get<string>('log.level')
 182   },
 183   ADMIN: {
 184     get EMAIL () { return config.get<string>('admin.email') }
 185   },
 186   SIGNUP: {
 187     get ENABLED () { return config.get<boolean>('signup.enabled') },
 188     get LIMIT () { return config.get<number>('signup.limit') },
 189     FILTERS: {
 190       CIDR: {
 191         get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
 192         get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
 193       }
 194     }
 195   },
 196   USER: {
 197     get VIDEO_QUOTA () { return config.get<number>('user.video_quota') }
 198   },
 199   TRANSCODING: {
 200     get ENABLED () { return config.get<boolean>('transcoding.enabled') },
 201     get THREADS () { return config.get<number>('transcoding.threads') },
 202     RESOLUTIONS: {
 203       get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
 204       get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
 205       get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
 206       get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
 207       get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
 208     }
 209   },
 210   IMPORT: {
 211     VIDEOS: {
 212       HTTP: {
 213         get ENABLED () { return config.get<boolean>('import.videos.http.enabled') }
 214       }
 215     }
 216   },
 217   CACHE: {
 218     PREVIEWS: {
 219       get SIZE () { return config.get<number>('cache.previews.size') }
 220     },
 221     VIDEO_CAPTIONS: {
 222       get SIZE () { return config.get<number>('cache.captions.size') }
 223     }
 224   },
 225   INSTANCE: {
 226     get NAME () { return config.get<string>('instance.name') },
 227     get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
 228     get DESCRIPTION () { return config.get<string>('instance.description') },
 229     get TERMS () { return config.get<string>('instance.terms') },
 230     get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
 231     get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
 232     CUSTOMIZATIONS: {
 233       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
 234       get CSS () { return config.get<string>('instance.customizations.css') }
 235     },
 236     get ROBOTS () { return config.get<string>('instance.robots') }
 237   },
 238   SERVICES: {
 239     TWITTER: {
 240       get USERNAME () { return config.get<string>('services.twitter.username') },
 241       get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
 242     }
 243   }
 244 }
 245
 246 // ---------------------------------------------------------------------------
 247
 248 const CONSTRAINTS_FIELDS = {
 249   USERS: {
 250     NAME: { min: 3, max: 120 }, // Length
 251     DESCRIPTION: { min: 3, max: 250 }, // Length
 252     USERNAME: { min: 3, max: 20 }, // Length
 253     PASSWORD: { min: 6, max: 255 }, // Length
 254     VIDEO_QUOTA: { min: -1 }
 255   },
 256   VIDEO_ABUSES: {
 257     REASON: { min: 2, max: 300 } // Length
 258   },
 259   VIDEO_CHANNELS: {
 260     NAME: { min: 3, max: 120 }, // Length
 261     DESCRIPTION: { min: 3, max: 500 }, // Length
 262     SUPPORT: { min: 3, max: 500 }, // Length
 263     URL: { min: 3, max: 2000 } // Length
 264   },
 265   VIDEO_CAPTIONS: {
 266     CAPTION_FILE: {
 267       EXTNAME: [ '.vtt', '.srt' ],
 268       FILE_SIZE: {
 269         max: 2 * 1024 * 1024 // 2MB
 270       }
 271     }
 272   },
 273   VIDEO_IMPORTS: {
 274     URL: { min: 3, max: 2000 }, // Length
 275     TORRENT_NAME: { min: 3, max: 255 }, // Length
 276   },
 277   VIDEOS: {
 278     NAME: { min: 3, max: 120 }, // Length
 279     LANGUAGE: { min: 1, max: 10 }, // Length
 280     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 281     DESCRIPTION: { min: 3, max: 10000 }, // Length
 282     SUPPORT: { min: 3, max: 500 }, // Length
 283     IMAGE: {
 284       EXTNAME: [ '.jpg', '.jpeg' ],
 285       FILE_SIZE: {
 286         max: 2 * 1024 * 1024 // 2MB
 287       }
 288     },
 289     EXTNAME: [ '.mp4', '.ogv', '.webm' ],
 290     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 291     DURATION: { min: 0 }, // Number
 292     TAGS: { min: 0, max: 5 }, // Number of total tags
 293     TAG: { min: 2, max: 30 }, // Length
 294     THUMBNAIL: { min: 2, max: 30 },
 295     THUMBNAIL_DATA: { min: 0, max: 20000 }, // Bytes
 296     VIEWS: { min: 0 },
 297     LIKES: { min: 0 },
 298     DISLIKES: { min: 0 },
 299     FILE_SIZE: { min: 10 },
 300     URL: { min: 3, max: 2000 } // Length
 301   },
 302   ACTORS: {
 303     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 304     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 305     URL: { min: 3, max: 2000 }, // Length
 306     AVATAR: {
 307       EXTNAME: [ '.png', '.jpeg', '.jpg' ],
 308       FILE_SIZE: {
 309         max: 2 * 1024 * 1024 // 2MB
 310       }
 311     }
 312   },
 313   VIDEO_EVENTS: {
 314     COUNT: { min: 0 }
 315   },
 316   VIDEO_COMMENTS: {
 317     TEXT: { min: 1, max: 3000 }, // Length
 318     URL: { min: 3, max: 2000 } // Length
 319   },
 320   VIDEO_SHARE: {
 321     URL: { min: 3, max: 2000 } // Length
 322   }
 323 }
 324
 325 const RATES_LIMIT = {
 326   LOGIN: {
 327     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 328     MAX: 15 // 15 attempts
 329   }
 330 }
 331
 332 let VIDEO_VIEW_LIFETIME = 60000 * 60 // 1 hour
 333 const VIDEO_TRANSCODING_FPS = {
 334   MIN: 10,
 335   AVERAGE: 30,
 336   MAX: 60,
 337   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 338 }
 339
 340 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 341   LIKE: 'like',
 342   DISLIKE: 'dislike'
 343 }
 344
 345 const FFMPEG_NICE: { [ id: string ]: number } = {
 346   THUMBNAIL: 2, // 2 just for don't blocking servers
 347   TRANSCODING: 15
 348 }
 349
 350 const VIDEO_CATEGORIES = {
 351   1: 'Music',
 352   2: 'Films',
 353   3: 'Vehicles',
 354   4: 'Art',
 355   5: 'Sports',
 356   6: 'Travels',
 357   7: 'Gaming',
 358   8: 'People',
 359   9: 'Comedy',
 360   10: 'Entertainment',
 361   11: 'News',
 362   12: 'How To',
 363   13: 'Education',
 364   14: 'Activism',
 365   15: 'Science & Technology',
 366   16: 'Animals',
 367   17: 'Kids',
 368   18: 'Food'
 369 }
 370
 371 // See https://creativecommons.org/licenses/?lang=en
 372 const VIDEO_LICENCES = {
 373   1: 'Attribution',
 374   2: 'Attribution - Share Alike',
 375   3: 'Attribution - No Derivatives',
 376   4: 'Attribution - Non Commercial',
 377   5: 'Attribution - Non Commercial - Share Alike',
 378   6: 'Attribution - Non Commercial - No Derivatives',
 379   7: 'Public Domain Dedication'
 380 }
 381
 382 const VIDEO_LANGUAGES = buildLanguages()
 383
 384 const VIDEO_PRIVACIES = {
 385   [VideoPrivacy.PUBLIC]: 'Public',
 386   [VideoPrivacy.UNLISTED]: 'Unlisted',
 387   [VideoPrivacy.PRIVATE]: 'Private'
 388 }
 389
 390 const VIDEO_STATES = {
 391   [VideoState.PUBLISHED]: 'Published',
 392   [VideoState.TO_TRANSCODE]: 'To transcode',
 393   [VideoState.TO_IMPORT]: 'To import'
 394 }
 395
 396 const VIDEO_IMPORT_STATES = {
 397   [VideoImportState.FAILED]: 'Failed',
 398   [VideoImportState.PENDING]: 'Pending',
 399   [VideoImportState.SUCCESS]: 'Success'
 400 }
 401
 402 const VIDEO_MIMETYPE_EXT = {
 403   'video/webm': '.webm',
 404   'video/ogg': '.ogv',
 405   'video/mp4': '.mp4'
 406 }
 407 const VIDEO_EXT_MIMETYPE = invert(VIDEO_MIMETYPE_EXT)
 408
 409 const IMAGE_MIMETYPE_EXT = {
 410   'image/png': '.png',
 411   'image/jpg': '.jpg',
 412   'image/jpeg': '.jpg'
 413 }
 414
 415 const VIDEO_CAPTIONS_MIMETYPE_EXT = {
 416   'text/vtt': '.vtt',
 417   'application/x-subrip': '.srt'
 418 }
 419
 420 // ---------------------------------------------------------------------------
 421
 422 const SERVER_ACTOR_NAME = 'peertube'
 423
 424 const ACTIVITY_PUB = {
 425   POTENTIAL_ACCEPT_HEADERS: [
 426     'application/activity+json',
 427     'application/ld+json',
 428     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 429   ],
 430   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 431   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 432   COLLECTION_ITEMS_PER_PAGE: 10,
 433   FETCH_PAGE_LIMIT: 100,
 434   URL_MIME_TYPES: {
 435     VIDEO: Object.keys(VIDEO_MIMETYPE_EXT),
 436     TORRENT: [ 'application/x-bittorrent' ],
 437     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 438   },
 439   MAX_RECURSION_COMMENTS: 100,
 440   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 // 1 day
 441 }
 442
 443 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 444   GROUP: 'Group',
 445   PERSON: 'Person',
 446   APPLICATION: 'Application'
 447 }
 448
 449 // ---------------------------------------------------------------------------
 450
 451 const PRIVATE_RSA_KEY_SIZE = 2048
 452
 453 // Password encryption
 454 const BCRYPT_SALT_SIZE = 10
 455
 456 const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 457
 458 const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
 459   DO_NOT_LIST: 'do_not_list',
 460   BLUR: 'blur',
 461   DISPLAY: 'display'
 462 }
 463
 464 // ---------------------------------------------------------------------------
 465
 466 // Express static paths (router)
 467 const STATIC_PATHS = {
 468   PREVIEWS: '/static/previews/',
 469   THUMBNAILS: '/static/thumbnails/',
 470   TORRENTS: '/static/torrents/',
 471   WEBSEED: '/static/webseed/',
 472   AVATARS: '/static/avatars/',
 473   VIDEO_CAPTIONS: '/static/video-captions/'
 474 }
 475 const STATIC_DOWNLOAD_PATHS = {
 476   TORRENTS: '/download/torrents/',
 477   VIDEOS: '/download/videos/'
 478 }
 479
 480 // Cache control
 481 let STATIC_MAX_AGE = '2h'
 482
 483 // Videos thumbnail size
 484 const THUMBNAILS_SIZE = {
 485   width: 200,
 486   height: 110
 487 }
 488 const PREVIEWS_SIZE = {
 489   width: 560,
 490   height: 315
 491 }
 492 const AVATARS_SIZE = {
 493   width: 120,
 494   height: 120
 495 }
 496
 497 const EMBED_SIZE = {
 498   width: 560,
 499   height: 315
 500 }
 501
 502 // Sub folders of cache directory
 503 const CACHE = {
 504   PREVIEWS: {
 505     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 506     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 507   },
 508   VIDEO_CAPTIONS: {
 509     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 510     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 511   }
 512 }
 513
 514 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 515
 516 // ---------------------------------------------------------------------------
 517
 518 const CUSTOM_HTML_TAG_COMMENTS = {
 519   TITLE: '<!-- title tag -->',
 520   DESCRIPTION: '<!-- description tag -->',
 521   CUSTOM_CSS: '<!-- custom css tag -->',
 522   OPENGRAPH_AND_OEMBED: '<!-- open graph and oembed tags -->'
 523 }
 524
 525 // ---------------------------------------------------------------------------
 526
 527 const FEEDS = {
 528   COUNT: 20
 529 }
 530
 531 // ---------------------------------------------------------------------------
 532
 533 const TRACKER_RATE_LIMITS = {
 534   INTERVAL: 60000 * 5, // 5 minutes
 535   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 536   ANNOUNCES_PER_IP: 30 // maximum announces for all our torrents in the interval
 537 }
 538
 539 // ---------------------------------------------------------------------------
 540
 541 // Special constants for a test instance
 542 if (isTestInstance() === true) {
 543   ACTOR_FOLLOW_SCORE.BASE = 20
 544
 545   REMOTE_SCHEME.HTTP = 'http'
 546   REMOTE_SCHEME.WS = 'ws'
 547
 548   STATIC_MAX_AGE = '0'
 549
 550   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 551   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 552
 553   CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max = 100 * 1024 // 100KB
 554
 555   SCHEDULER_INTERVALS_MS.badActorFollow = 10000
 556   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 557   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 558
 559   VIDEO_VIEW_LIFETIME = 1000 // 1 second
 560
 561   JOB_ATTEMPTS['email'] = 1
 562
 563   CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 564 }
 565
 566 updateWebserverConfig()
 567
 568 // ---------------------------------------------------------------------------
 569
 570 export {
 571   API_VERSION,
 572   VIDEO_CAPTIONS_MIMETYPE_EXT,
 573   AVATARS_SIZE,
 574   ACCEPT_HEADERS,
 575   BCRYPT_SALT_SIZE,
 576   TRACKER_RATE_LIMITS,
 577   CACHE,
 578   CONFIG,
 579   CONSTRAINTS_FIELDS,
 580   EMBED_SIZE,
 581   JOB_CONCURRENCY,
 582   JOB_ATTEMPTS,
 583   LAST_MIGRATION_VERSION,
 584   OAUTH_LIFETIME,
 585   CUSTOM_HTML_TAG_COMMENTS,
 586   BROADCAST_CONCURRENCY,
 587   PAGINATION,
 588   ACTOR_FOLLOW_SCORE,
 589   PREVIEWS_SIZE,
 590   REMOTE_SCHEME,
 591   FOLLOW_STATES,
 592   SERVER_ACTOR_NAME,
 593   PRIVATE_RSA_KEY_SIZE,
 594   ROUTE_CACHE_LIFETIME,
 595   SORTABLE_COLUMNS,
 596   FEEDS,
 597   JOB_TTL,
 598   NSFW_POLICY_TYPES,
 599   STATIC_MAX_AGE,
 600   STATIC_PATHS,
 601   ACTIVITY_PUB,
 602   ACTIVITY_PUB_ACTOR_TYPES,
 603   THUMBNAILS_SIZE,
 604   VIDEO_CATEGORIES,
 605   VIDEO_LANGUAGES,
 606   VIDEO_PRIVACIES,
 607   VIDEO_LICENCES,
 608   VIDEO_STATES,
 609   VIDEO_RATE_TYPES,
 610   VIDEO_MIMETYPE_EXT,
 611   VIDEO_TRANSCODING_FPS,
 612   FFMPEG_NICE,
 613   JOB_REQUEST_TIMEOUT,
 614   USER_PASSWORD_RESET_LIFETIME,
 615   IMAGE_MIMETYPE_EXT,
 616   SCHEDULER_INTERVALS_MS,
 617   STATIC_DOWNLOAD_PATHS,
 618   RATES_LIMIT,
 619   VIDEO_EXT_MIMETYPE,
 620   JOB_COMPLETED_LIFETIME,
 621   VIDEO_IMPORT_STATES,
 622   VIDEO_VIEW_LIFETIME,
 623   buildLanguages
 624 }
 625
 626 // ---------------------------------------------------------------------------
 627
 628 function getLocalConfigFilePath () {
 629   const configSources = config.util.getConfigSources()
 630   if (configSources.length === 0) throw new Error('Invalid config source.')
 631
 632   let filename = 'local'
 633   if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
 634   if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
 635
 636   return join(dirname(configSources[ 0 ].name), filename + '.json')
 637 }
 638
 639 function updateWebserverConfig () {
 640   CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 641   CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 642 }
 643
 644 function buildLanguages () {
 645   const iso639 = require('iso-639-3')
 646
 647   const languages: { [ id: string ]: string } = {}
 648
 649   const additionalLanguages = {
 650     'sgn': true, // Sign languages (macro language)
 651     'ase': true, // American sign language
 652     'sdl': true, // Arabian sign language
 653     'bfi': true, // British sign language
 654     'bzs': true, // Brazilian sign language
 655     'csl': true, // Chinese sign language
 656     'cse': true, // Czech sign language
 657     'dsl': true, // Danish sign language
 658     'fsl': true, // French sign language
 659     'gsg': true, // German sign language
 660     'pks': true, // Pakistan sign language
 661     'jsl': true, // Japanese sign language
 662     'sfs': true, // South African sign language
 663     'swl': true, // Swedish sign language
 664     'rsl': true, // Russian sign language: true
 665
 666     'epo': true, // Esperanto
 667     'tlh': true, // Klingon
 668     'jbo': true, // Lojban
 669     'avk': true // Kotava
 670   }
 671
 672   // Only add ISO639-1 languages and some sign languages (ISO639-3)
 673   iso639
 674     .filter(l => {
 675       return (l.iso6391 !== null && l.type === 'living') ||
 676         additionalLanguages[l.iso6393] === true
 677     })
 678     .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
 679
 680   return languages
 681 }
 682
 683 export function reloadConfig () {
 684
 685   function directory () {
 686     if (process.env.NODE_CONFIG_DIR) {
 687       return process.env.NODE_CONFIG_DIR
 688     }
 689
 690     return join(root(), 'config')
 691   }
 692
 693   function purge () {
 694     for (const fileName in require.cache) {
 695       if (-1 === fileName.indexOf(directory())) {
 696         continue
 697       }
 698
 699       delete require.cache[fileName]
 700     }
 701
 702     delete require.cache[require.resolve('config')]
 703   }
 704
 705   purge()
 706
 707   config = require('config')
 708
 709   updateWebserverConfig()
 710 }