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, VideoAbuseState, VideoImportState } 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
  12 // Use a variable to reload the configuration if we need
  13 let config: IConfig = require('config')
  14
  15 // ---------------------------------------------------------------------------
  16
  17 const LAST_MIGRATION_VERSION = 255
  18
  19 // ---------------------------------------------------------------------------
  20
  21 // API version
  22 const API_VERSION = 'v1'
  23
  24 const PAGINATION = {
  25   COUNT: {
  26     DEFAULT: 15,
  27     MAX: 100
  28   }
  29 }
  30
  31 // Sortable columns per schema
  32 const SORTABLE_COLUMNS = {
  33   USERS: [ 'id', 'username', 'createdAt' ],
  34   ACCOUNTS: [ 'createdAt' ],
  35   JOBS: [ 'createdAt' ],
  36   VIDEO_ABUSES: [ 'id', 'createdAt', 'state' ],
  37   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  38   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'views', 'likes' ],
  39   VIDEO_IMPORTS: [ 'createdAt' ],
  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   DNT_POLICY: '1 week',
  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   IMPORT: {
 210     VIDEOS: {
 211       HTTP: {
 212         get ENABLED () { return config.get<boolean>('import.videos.http.enabled') }
 213       },
 214       TORRENT: {
 215         get ENABLED () { return config.get<boolean>('import.videos.torrent.enabled') }
 216       }
 217     }
 218   },
 219   CACHE: {
 220     PREVIEWS: {
 221       get SIZE () { return config.get<number>('cache.previews.size') }
 222     },
 223     VIDEO_CAPTIONS: {
 224       get SIZE () { return config.get<number>('cache.captions.size') }
 225     }
 226   },
 227   INSTANCE: {
 228     get NAME () { return config.get<string>('instance.name') },
 229     get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
 230     get DESCRIPTION () { return config.get<string>('instance.description') },
 231     get TERMS () { return config.get<string>('instance.terms') },
 232     get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
 233     get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
 234     CUSTOMIZATIONS: {
 235       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
 236       get CSS () { return config.get<string>('instance.customizations.css') }
 237     },
 238     get ROBOTS () { return config.get<string>('instance.robots') }
 239   },
 240   SERVICES: {
 241     TWITTER: {
 242       get USERNAME () { return config.get<string>('services.twitter.username') },
 243       get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
 244     }
 245   }
 246 }
 247
 248 // ---------------------------------------------------------------------------
 249
 250 const CONSTRAINTS_FIELDS = {
 251   USERS: {
 252     NAME: { min: 3, max: 120 }, // Length
 253     DESCRIPTION: { min: 3, max: 250 }, // Length
 254     USERNAME: { min: 3, max: 20 }, // Length
 255     PASSWORD: { min: 6, max: 255 }, // Length
 256     VIDEO_QUOTA: { min: -1 },
 257     BLOCKED_REASON: { min: 3, max: 250 } // Length
 258   },
 259   VIDEO_ABUSES: {
 260     REASON: { min: 2, max: 300 }, // Length
 261     MODERATION_COMMENT: { min: 2, max: 300 } // Length
 262   },
 263   VIDEO_BLACKLIST: {
 264     REASON: { min: 2, max: 300 } // Length
 265   },
 266   VIDEO_CHANNELS: {
 267     NAME: { min: 3, max: 120 }, // Length
 268     DESCRIPTION: { min: 3, max: 500 }, // Length
 269     SUPPORT: { min: 3, max: 500 }, // Length
 270     URL: { min: 3, max: 2000 } // Length
 271   },
 272   VIDEO_CAPTIONS: {
 273     CAPTION_FILE: {
 274       EXTNAME: [ '.vtt', '.srt' ],
 275       FILE_SIZE: {
 276         max: 2 * 1024 * 1024 // 2MB
 277       }
 278     }
 279   },
 280   VIDEO_IMPORTS: {
 281     URL: { min: 3, max: 2000 }, // Length
 282     TORRENT_NAME: { min: 3, max: 255 }, // Length
 283     TORRENT_FILE: {
 284       EXTNAME: [ '.torrent' ],
 285       FILE_SIZE: {
 286         max: 1024 * 200 // 200 KB
 287       }
 288     }
 289   },
 290   VIDEOS: {
 291     NAME: { min: 3, max: 120 }, // Length
 292     LANGUAGE: { min: 1, max: 10 }, // Length
 293     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 294     DESCRIPTION: { min: 3, max: 10000 }, // Length
 295     SUPPORT: { min: 3, max: 500 }, // Length
 296     IMAGE: {
 297       EXTNAME: [ '.jpg', '.jpeg' ],
 298       FILE_SIZE: {
 299         max: 2 * 1024 * 1024 // 2MB
 300       }
 301     },
 302     EXTNAME: [ '.mp4', '.ogv', '.webm' ],
 303     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 304     DURATION: { min: 0 }, // Number
 305     TAGS: { min: 0, max: 5 }, // Number of total tags
 306     TAG: { min: 2, max: 30 }, // Length
 307     THUMBNAIL: { min: 2, max: 30 },
 308     THUMBNAIL_DATA: { min: 0, max: 20000 }, // Bytes
 309     VIEWS: { min: 0 },
 310     LIKES: { min: 0 },
 311     DISLIKES: { min: 0 },
 312     FILE_SIZE: { min: 10 },
 313     URL: { min: 3, max: 2000 } // Length
 314   },
 315   ACTORS: {
 316     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 317     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 318     URL: { min: 3, max: 2000 }, // Length
 319     AVATAR: {
 320       EXTNAME: [ '.png', '.jpeg', '.jpg' ],
 321       FILE_SIZE: {
 322         max: 2 * 1024 * 1024 // 2MB
 323       }
 324     }
 325   },
 326   VIDEO_EVENTS: {
 327     COUNT: { min: 0 }
 328   },
 329   VIDEO_COMMENTS: {
 330     TEXT: { min: 1, max: 3000 }, // Length
 331     URL: { min: 3, max: 2000 } // Length
 332   },
 333   VIDEO_SHARE: {
 334     URL: { min: 3, max: 2000 } // Length
 335   }
 336 }
 337
 338 const RATES_LIMIT = {
 339   LOGIN: {
 340     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 341     MAX: 15 // 15 attempts
 342   }
 343 }
 344
 345 let VIDEO_VIEW_LIFETIME = 60000 * 60 // 1 hour
 346 const VIDEO_TRANSCODING_FPS = {
 347   MIN: 10,
 348   AVERAGE: 30,
 349   MAX: 60,
 350   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 351 }
 352
 353 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 354   LIKE: 'like',
 355   DISLIKE: 'dislike'
 356 }
 357
 358 const FFMPEG_NICE: { [ id: string ]: number } = {
 359   THUMBNAIL: 2, // 2 just for don't blocking servers
 360   TRANSCODING: 15
 361 }
 362
 363 const VIDEO_CATEGORIES = {
 364   1: 'Music',
 365   2: 'Films',
 366   3: 'Vehicles',
 367   4: 'Art',
 368   5: 'Sports',
 369   6: 'Travels',
 370   7: 'Gaming',
 371   8: 'People',
 372   9: 'Comedy',
 373   10: 'Entertainment',
 374   11: 'News',
 375   12: 'How To',
 376   13: 'Education',
 377   14: 'Activism',
 378   15: 'Science & Technology',
 379   16: 'Animals',
 380   17: 'Kids',
 381   18: 'Food'
 382 }
 383
 384 // See https://creativecommons.org/licenses/?lang=en
 385 const VIDEO_LICENCES = {
 386   1: 'Attribution',
 387   2: 'Attribution - Share Alike',
 388   3: 'Attribution - No Derivatives',
 389   4: 'Attribution - Non Commercial',
 390   5: 'Attribution - Non Commercial - Share Alike',
 391   6: 'Attribution - Non Commercial - No Derivatives',
 392   7: 'Public Domain Dedication'
 393 }
 394
 395 const VIDEO_LANGUAGES = buildLanguages()
 396
 397 const VIDEO_PRIVACIES = {
 398   [VideoPrivacy.PUBLIC]: 'Public',
 399   [VideoPrivacy.UNLISTED]: 'Unlisted',
 400   [VideoPrivacy.PRIVATE]: 'Private'
 401 }
 402
 403 const VIDEO_STATES = {
 404   [VideoState.PUBLISHED]: 'Published',
 405   [VideoState.TO_TRANSCODE]: 'To transcode',
 406   [VideoState.TO_IMPORT]: 'To import'
 407 }
 408
 409 const VIDEO_IMPORT_STATES = {
 410   [VideoImportState.FAILED]: 'Failed',
 411   [VideoImportState.PENDING]: 'Pending',
 412   [VideoImportState.SUCCESS]: 'Success'
 413 }
 414
 415 const VIDEO_ABUSE_STATES = {
 416   [VideoAbuseState.PENDING]: 'Pending',
 417   [VideoAbuseState.REJECTED]: 'Rejected',
 418   [VideoAbuseState.ACCEPTED]: 'Accepted'
 419 }
 420
 421 const VIDEO_MIMETYPE_EXT = {
 422   'video/webm': '.webm',
 423   'video/ogg': '.ogv',
 424   'video/mp4': '.mp4'
 425 }
 426 const VIDEO_EXT_MIMETYPE = invert(VIDEO_MIMETYPE_EXT)
 427
 428 const IMAGE_MIMETYPE_EXT = {
 429   'image/png': '.png',
 430   'image/jpg': '.jpg',
 431   'image/jpeg': '.jpg'
 432 }
 433
 434 const VIDEO_CAPTIONS_MIMETYPE_EXT = {
 435   'text/vtt': '.vtt',
 436   'application/x-subrip': '.srt'
 437 }
 438
 439 const TORRENT_MIMETYPE_EXT = {
 440   'application/x-bittorrent': '.torrent'
 441 }
 442
 443 // ---------------------------------------------------------------------------
 444
 445 const SERVER_ACTOR_NAME = 'peertube'
 446
 447 const ACTIVITY_PUB = {
 448   POTENTIAL_ACCEPT_HEADERS: [
 449     'application/activity+json',
 450     'application/ld+json',
 451     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 452   ],
 453   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 454   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 455   COLLECTION_ITEMS_PER_PAGE: 10,
 456   FETCH_PAGE_LIMIT: 100,
 457   URL_MIME_TYPES: {
 458     VIDEO: Object.keys(VIDEO_MIMETYPE_EXT),
 459     TORRENT: [ 'application/x-bittorrent' ],
 460     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 461   },
 462   MAX_RECURSION_COMMENTS: 100,
 463   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 // 1 day
 464 }
 465
 466 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 467   GROUP: 'Group',
 468   PERSON: 'Person',
 469   APPLICATION: 'Application'
 470 }
 471
 472 // ---------------------------------------------------------------------------
 473
 474 const PRIVATE_RSA_KEY_SIZE = 2048
 475
 476 // Password encryption
 477 const BCRYPT_SALT_SIZE = 10
 478
 479 const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 480
 481 const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
 482   DO_NOT_LIST: 'do_not_list',
 483   BLUR: 'blur',
 484   DISPLAY: 'display'
 485 }
 486
 487 // ---------------------------------------------------------------------------
 488
 489 // Express static paths (router)
 490 const STATIC_PATHS = {
 491   PREVIEWS: '/static/previews/',
 492   THUMBNAILS: '/static/thumbnails/',
 493   TORRENTS: '/static/torrents/',
 494   WEBSEED: '/static/webseed/',
 495   AVATARS: '/static/avatars/',
 496   VIDEO_CAPTIONS: '/static/video-captions/'
 497 }
 498 const STATIC_DOWNLOAD_PATHS = {
 499   TORRENTS: '/download/torrents/',
 500   VIDEOS: '/download/videos/'
 501 }
 502
 503 // Cache control
 504 let STATIC_MAX_AGE = '2h'
 505
 506 // Videos thumbnail size
 507 const THUMBNAILS_SIZE = {
 508   width: 200,
 509   height: 110
 510 }
 511 const PREVIEWS_SIZE = {
 512   width: 560,
 513   height: 315
 514 }
 515 const AVATARS_SIZE = {
 516   width: 120,
 517   height: 120
 518 }
 519
 520 const EMBED_SIZE = {
 521   width: 560,
 522   height: 315
 523 }
 524
 525 // Sub folders of cache directory
 526 const CACHE = {
 527   PREVIEWS: {
 528     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 529     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 530   },
 531   VIDEO_CAPTIONS: {
 532     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 533     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 534   }
 535 }
 536
 537 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 538
 539 // ---------------------------------------------------------------------------
 540
 541 const CUSTOM_HTML_TAG_COMMENTS = {
 542   TITLE: '<!-- title tag -->',
 543   DESCRIPTION: '<!-- description tag -->',
 544   CUSTOM_CSS: '<!-- custom css tag -->',
 545   OPENGRAPH_AND_OEMBED: '<!-- open graph and oembed tags -->'
 546 }
 547
 548 // ---------------------------------------------------------------------------
 549
 550 const FEEDS = {
 551   COUNT: 20
 552 }
 553
 554 // ---------------------------------------------------------------------------
 555
 556 const TRACKER_RATE_LIMITS = {
 557   INTERVAL: 60000 * 5, // 5 minutes
 558   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 559   ANNOUNCES_PER_IP: 30 // maximum announces for all our torrents in the interval
 560 }
 561
 562 // ---------------------------------------------------------------------------
 563
 564 // Special constants for a test instance
 565 if (isTestInstance() === true) {
 566   ACTOR_FOLLOW_SCORE.BASE = 20
 567
 568   REMOTE_SCHEME.HTTP = 'http'
 569   REMOTE_SCHEME.WS = 'ws'
 570
 571   STATIC_MAX_AGE = '0'
 572
 573   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 574   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 575
 576   CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max = 100 * 1024 // 100KB
 577
 578   SCHEDULER_INTERVALS_MS.badActorFollow = 10000
 579   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 580   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 581
 582   VIDEO_VIEW_LIFETIME = 1000 // 1 second
 583
 584   JOB_ATTEMPTS['email'] = 1
 585
 586   CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 587 }
 588
 589 updateWebserverConfig()
 590
 591 // ---------------------------------------------------------------------------
 592
 593 export {
 594   API_VERSION,
 595   VIDEO_CAPTIONS_MIMETYPE_EXT,
 596   AVATARS_SIZE,
 597   ACCEPT_HEADERS,
 598   BCRYPT_SALT_SIZE,
 599   TRACKER_RATE_LIMITS,
 600   CACHE,
 601   CONFIG,
 602   CONSTRAINTS_FIELDS,
 603   EMBED_SIZE,
 604   JOB_CONCURRENCY,
 605   JOB_ATTEMPTS,
 606   LAST_MIGRATION_VERSION,
 607   OAUTH_LIFETIME,
 608   CUSTOM_HTML_TAG_COMMENTS,
 609   BROADCAST_CONCURRENCY,
 610   PAGINATION,
 611   ACTOR_FOLLOW_SCORE,
 612   PREVIEWS_SIZE,
 613   REMOTE_SCHEME,
 614   FOLLOW_STATES,
 615   SERVER_ACTOR_NAME,
 616   PRIVATE_RSA_KEY_SIZE,
 617   ROUTE_CACHE_LIFETIME,
 618   SORTABLE_COLUMNS,
 619   FEEDS,
 620   JOB_TTL,
 621   NSFW_POLICY_TYPES,
 622   TORRENT_MIMETYPE_EXT,
 623   STATIC_MAX_AGE,
 624   STATIC_PATHS,
 625   ACTIVITY_PUB,
 626   ACTIVITY_PUB_ACTOR_TYPES,
 627   THUMBNAILS_SIZE,
 628   VIDEO_CATEGORIES,
 629   VIDEO_LANGUAGES,
 630   VIDEO_PRIVACIES,
 631   VIDEO_LICENCES,
 632   VIDEO_STATES,
 633   VIDEO_RATE_TYPES,
 634   VIDEO_MIMETYPE_EXT,
 635   VIDEO_TRANSCODING_FPS,
 636   FFMPEG_NICE,
 637   VIDEO_ABUSE_STATES,
 638   JOB_REQUEST_TIMEOUT,
 639   USER_PASSWORD_RESET_LIFETIME,
 640   IMAGE_MIMETYPE_EXT,
 641   SCHEDULER_INTERVALS_MS,
 642   STATIC_DOWNLOAD_PATHS,
 643   RATES_LIMIT,
 644   VIDEO_EXT_MIMETYPE,
 645   JOB_COMPLETED_LIFETIME,
 646   VIDEO_IMPORT_STATES,
 647   VIDEO_VIEW_LIFETIME,
 648   buildLanguages
 649 }
 650
 651 // ---------------------------------------------------------------------------
 652
 653 function getLocalConfigFilePath () {
 654   const configSources = config.util.getConfigSources()
 655   if (configSources.length === 0) throw new Error('Invalid config source.')
 656
 657   let filename = 'local'
 658   if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
 659   if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
 660
 661   return join(dirname(configSources[ 0 ].name), filename + '.json')
 662 }
 663
 664 function updateWebserverConfig () {
 665   CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 666   CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 667 }
 668
 669 function buildLanguages () {
 670   const iso639 = require('iso-639-3')
 671
 672   const languages: { [ id: string ]: string } = {}
 673
 674   const additionalLanguages = {
 675     'sgn': true, // Sign languages (macro language)
 676     'ase': true, // American sign language
 677     'sdl': true, // Arabian sign language
 678     'bfi': true, // British sign language
 679     'bzs': true, // Brazilian sign language
 680     'csl': true, // Chinese sign language
 681     'cse': true, // Czech sign language
 682     'dsl': true, // Danish sign language
 683     'fsl': true, // French sign language
 684     'gsg': true, // German sign language
 685     'pks': true, // Pakistan sign language
 686     'jsl': true, // Japanese sign language
 687     'sfs': true, // South African sign language
 688     'swl': true, // Swedish sign language
 689     'rsl': true, // Russian sign language: true
 690
 691     'epo': true, // Esperanto
 692     'tlh': true, // Klingon
 693     'jbo': true, // Lojban
 694     'avk': true // Kotava
 695   }
 696
 697   // Only add ISO639-1 languages and some sign languages (ISO639-3)
 698   iso639
 699     .filter(l => {
 700       return (l.iso6391 !== null && l.type === 'living') ||
 701         additionalLanguages[l.iso6393] === true
 702     })
 703     .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
 704
 705   return languages
 706 }
 707
 708 export function reloadConfig () {
 709
 710   function directory () {
 711     if (process.env.NODE_CONFIG_DIR) {
 712       return process.env.NODE_CONFIG_DIR
 713     }
 714
 715     return join(root(), 'config')
 716   }
 717
 718   function purge () {
 719     for (const fileName in require.cache) {
 720       if (-1 === fileName.indexOf(directory())) {
 721         continue
 722       }
 723
 724       delete require.cache[fileName]
 725     }
 726
 727     delete require.cache[require.resolve('config')]
 728   }
 729
 730   purge()
 731
 732   config = require('config')
 733
 734   updateWebserverConfig()
 735 }