server/initializers/constants.ts

   1 import { CronRepeatOptions, EveryRepeatOptions } from 'bull'
   2 import { randomBytes } from 'crypto'
   3 import { invert } from 'lodash'
   4 import { join } from 'path'
   5 import { randomInt, root } from '@shared/core-utils'
   6 import {
   7   AbuseState,
   8   JobType,
   9   VideoImportState,
  10   VideoPrivacy,
  11   VideoRateType,
  12   VideoResolution,
  13   VideoState,
  14   VideoTranscodingFPS
  15 } from '../../shared/models'
  16 import { ActivityPubActorType } from '../../shared/models/activitypub'
  17 import { ActorImageType, FollowState } from '../../shared/models/actors'
  18 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
  19 import { VideoPlaylistPrivacy } from '../../shared/models/videos/playlist/video-playlist-privacy.model'
  20 import { VideoPlaylistType } from '../../shared/models/videos/playlist/video-playlist-type.model'
  21 // Do not use barrels, remain constants as independent as possible
  22 import { isTestInstance, isTestOrDevInstance, parseDurationToMs, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
  23 import { CONFIG, registerConfigChangedHandler } from './config'
  24
  25 // ---------------------------------------------------------------------------
  26
  27 const LAST_MIGRATION_VERSION = 720
  28
  29 // ---------------------------------------------------------------------------
  30
  31 const API_VERSION = 'v1'
  32 const PEERTUBE_VERSION: string = require(join(root(), 'package.json')).version
  33
  34 const PAGINATION = {
  35   GLOBAL: {
  36     COUNT: {
  37       DEFAULT: 15,
  38       MAX: 100
  39     }
  40   },
  41   OUTBOX: {
  42     COUNT: {
  43       MAX: 50
  44     }
  45   }
  46 }
  47
  48 const WEBSERVER = {
  49   URL: '',
  50   HOST: '',
  51   SCHEME: '',
  52   WS: '',
  53   HOSTNAME: '',
  54   PORT: 0,
  55   RTMP_URL: '',
  56   RTMPS_URL: ''
  57 }
  58
  59 // Sortable columns per schema
  60 const SORTABLE_COLUMNS = {
  61   ADMIN_USERS: [ 'id', 'username', 'videoQuotaUsed', 'createdAt', 'lastLoginDate', 'role' ],
  62   USER_SUBSCRIPTIONS: [ 'id', 'createdAt' ],
  63   ACCOUNTS: [ 'createdAt' ],
  64   JOBS: [ 'createdAt' ],
  65   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  66   VIDEO_IMPORTS: [ 'createdAt' ],
  67
  68   VIDEO_COMMENT_THREADS: [ 'createdAt', 'totalReplies' ],
  69   VIDEO_COMMENTS: [ 'createdAt' ],
  70
  71   VIDEO_RATES: [ 'createdAt' ],
  72   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  73
  74   INSTANCE_FOLLOWERS: [ 'createdAt', 'state', 'score' ],
  75   INSTANCE_FOLLOWING: [ 'createdAt', 'redundancyAllowed', 'state' ],
  76   ACCOUNT_FOLLOWERS: [ 'createdAt' ],
  77   CHANNEL_FOLLOWERS: [ 'createdAt' ],
  78
  79   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'trending', 'hot', 'best' ],
  80
  81   // Don't forget to update peertube-search-index with the same values
  82   VIDEOS_SEARCH: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'match' ],
  83   VIDEO_CHANNELS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  84   VIDEO_PLAYLISTS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  85
  86   ABUSES: [ 'id', 'createdAt', 'state' ],
  87
  88   ACCOUNTS_BLOCKLIST: [ 'createdAt' ],
  89   SERVERS_BLOCKLIST: [ 'createdAt' ],
  90
  91   USER_NOTIFICATIONS: [ 'createdAt', 'read' ],
  92
  93   VIDEO_PLAYLISTS: [ 'name', 'displayName', 'createdAt', 'updatedAt' ],
  94
  95   PLUGINS: [ 'name', 'createdAt', 'updatedAt' ],
  96
  97   AVAILABLE_PLUGINS: [ 'npmName', 'popularity' ],
  98
  99   VIDEO_REDUNDANCIES: [ 'name' ]
 100 }
 101
 102 const OAUTH_LIFETIME = {
 103   ACCESS_TOKEN: 3600 * 24, // 1 day, for upload
 104   REFRESH_TOKEN: 1209600 // 2 weeks
 105 }
 106
 107 const ROUTE_CACHE_LIFETIME = {
 108   FEEDS: '15 minutes',
 109   ROBOTS: '2 hours',
 110   SITEMAP: '1 day',
 111   SECURITYTXT: '2 hours',
 112   NODEINFO: '10 minutes',
 113   DNT_POLICY: '1 week',
 114   ACTIVITY_PUB: {
 115     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
 116   },
 117   STATS: '4 hours'
 118 }
 119
 120 // ---------------------------------------------------------------------------
 121
 122 // Number of points we add/remove after a successful/bad request
 123 const ACTOR_FOLLOW_SCORE = {
 124   PENALTY: -10,
 125   BONUS: 10,
 126   BASE: 1000,
 127   MAX: 10000
 128 }
 129
 130 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
 131   PENDING: 'pending',
 132   ACCEPTED: 'accepted'
 133 }
 134
 135 const REMOTE_SCHEME = {
 136   HTTP: 'https',
 137   WS: 'wss'
 138 }
 139
 140 const JOB_ATTEMPTS: { [id in JobType]: number } = {
 141   'activitypub-http-broadcast': 1,
 142   'activitypub-http-broadcast-parallel': 1,
 143   'activitypub-http-unicast': 1,
 144   'activitypub-http-fetcher': 2,
 145   'activitypub-follow': 5,
 146   'activitypub-cleaner': 1,
 147   'video-file-import': 1,
 148   'video-transcoding': 1,
 149   'video-import': 1,
 150   'email': 5,
 151   'actor-keys': 3,
 152   'videos-views-stats': 1,
 153   'activitypub-refresher': 1,
 154   'video-redundancy': 1,
 155   'video-live-ending': 1,
 156   'video-studio-edition': 1,
 157   'manage-video-torrent': 1,
 158   'move-to-object-storage': 3
 159 }
 160 // Excluded keys are jobs that can be configured by admins
 161 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 162   'activitypub-http-broadcast': 1,
 163   'activitypub-http-broadcast-parallel': 30,
 164   'activitypub-http-unicast': 10,
 165   'activitypub-http-fetcher': 3,
 166   'activitypub-cleaner': 1,
 167   'activitypub-follow': 1,
 168   'video-file-import': 1,
 169   'email': 5,
 170   'actor-keys': 1,
 171   'videos-views-stats': 1,
 172   'activitypub-refresher': 1,
 173   'video-redundancy': 1,
 174   'video-live-ending': 10,
 175   'video-studio-edition': 1,
 176   'manage-video-torrent': 1,
 177   'move-to-object-storage': 1
 178 }
 179 const JOB_TTL: { [id in JobType]: number } = {
 180   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 181   'activitypub-http-broadcast-parallel': 60000 * 10, // 10 minutes
 182   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 183   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 184   'activitypub-follow': 60000 * 10, // 10 minutes
 185   'activitypub-cleaner': 1000 * 3600, // 1 hour
 186   'video-file-import': 1000 * 3600, // 1 hour
 187   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 188   'video-studio-edition': 1000 * 3600 * 10, // 10 hours
 189   'video-import': CONFIG.IMPORT.VIDEOS.TIMEOUT,
 190   'email': 60000 * 10, // 10 minutes
 191   'actor-keys': 60000 * 20, // 20 minutes
 192   'videos-views-stats': undefined, // Unlimited
 193   'activitypub-refresher': 60000 * 10, // 10 minutes
 194   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 195   'video-live-ending': 1000 * 60 * 10, // 10 minutes
 196   'manage-video-torrent': 1000 * 3600 * 3, // 3 hours
 197   'move-to-object-storage': 1000 * 60 * 60 * 3 // 3 hours
 198 }
 199 const REPEAT_JOBS: { [ id in JobType ]?: EveryRepeatOptions | CronRepeatOptions } = {
 200   'videos-views-stats': {
 201     cron: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 202   },
 203   'activitypub-cleaner': {
 204     cron: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 205   }
 206 }
 207 const JOB_PRIORITY = {
 208   TRANSCODING: 100
 209 }
 210
 211 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 212 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 213
 214 const AP_CLEANER = {
 215   CONCURRENCY: 10, // How many requests in parallel we do in activitypub-cleaner job
 216   UNAVAILABLE_TRESHOLD: 3, // How many attempts we do before removing an unavailable remote resource
 217   PERIOD: parseDurationToMs('1 week') // /!\ Has to be sync with REPEAT_JOBS
 218 }
 219
 220 const REQUEST_TIMEOUTS = {
 221   DEFAULT: 7000, // 7 seconds
 222   FILE: 30000, // 30 seconds
 223   REDUNDANCY: JOB_TTL['video-redundancy']
 224 }
 225
 226 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 227 const VIDEO_IMPORT_TIMEOUT = Math.floor(JOB_TTL['video-import'] * 0.9)
 228
 229 const SCHEDULER_INTERVALS_MS = {
 230   ACTOR_FOLLOW_SCORES: 60000 * 60, // 1 hour
 231   REMOVE_OLD_JOBS: 60000 * 60, // 1 hour
 232   UPDATE_VIDEOS: 60000, // 1 minute
 233   YOUTUBE_DL_UPDATE: 60000 * 60 * 24, // 1 day
 234   GEO_IP_UPDATE: 60000 * 60 * 24, // 1 day
 235   VIDEO_VIEWS_BUFFER_UPDATE: CONFIG.VIEWS.VIDEOS.LOCAL_BUFFER_UPDATE_INTERVAL,
 236   CHECK_PLUGINS: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 237   CHECK_PEERTUBE_VERSION: 60000 * 60 * 24, // 1 day
 238   AUTO_FOLLOW_INDEX_INSTANCES: 60000 * 60 * 24, // 1 day
 239   REMOVE_OLD_VIEWS: 60000 * 60 * 24, // 1 day
 240   REMOVE_OLD_HISTORY: 60000 * 60 * 24, // 1 day
 241   UPDATE_INBOX_STATS: 1000 * 60, // 1 minute
 242   REMOVE_DANGLING_RESUMABLE_UPLOADS: 60000 * 60 // 1 hour
 243 }
 244
 245 // ---------------------------------------------------------------------------
 246
 247 const CONSTRAINTS_FIELDS = {
 248   USERS: {
 249     NAME: { min: 1, max: 120 }, // Length
 250     DESCRIPTION: { min: 3, max: 1000 }, // Length
 251     USERNAME: { min: 1, max: 50 }, // Length
 252     PASSWORD: { min: 6, max: 255 }, // Length
 253     VIDEO_QUOTA: { min: -1 },
 254     VIDEO_QUOTA_DAILY: { min: -1 },
 255     VIDEO_LANGUAGES: { max: 500 }, // Array length
 256     BLOCKED_REASON: { min: 3, max: 250 } // Length
 257   },
 258   ABUSES: {
 259     REASON: { min: 2, max: 3000 }, // Length
 260     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 261   },
 262   ABUSE_MESSAGES: {
 263     MESSAGE: { min: 2, max: 3000 } // Length
 264   },
 265   VIDEO_BLACKLIST: {
 266     REASON: { min: 2, max: 300 } // Length
 267   },
 268   VIDEO_CHANNELS: {
 269     NAME: { min: 1, max: 120 }, // Length
 270     DESCRIPTION: { min: 3, max: 1000 }, // Length
 271     SUPPORT: { min: 3, max: 1000 }, // Length
 272     URL: { min: 3, max: 2000 } // Length
 273   },
 274   VIDEO_CAPTIONS: {
 275     CAPTION_FILE: {
 276       EXTNAME: [ '.vtt', '.srt' ],
 277       FILE_SIZE: {
 278         max: 20 * 1024 * 1024 // 20MB
 279       }
 280     }
 281   },
 282   VIDEO_IMPORTS: {
 283     URL: { min: 3, max: 2000 }, // Length
 284     TORRENT_NAME: { min: 3, max: 255 }, // Length
 285     TORRENT_FILE: {
 286       EXTNAME: [ '.torrent' ],
 287       FILE_SIZE: {
 288         max: 1024 * 200 // 200 KB
 289       }
 290     }
 291   },
 292   VIDEOS_REDUNDANCY: {
 293     URL: { min: 3, max: 2000 } // Length
 294   },
 295   VIDEO_RATES: {
 296     URL: { min: 3, max: 2000 } // Length
 297   },
 298   VIDEOS: {
 299     NAME: { min: 3, max: 120 }, // Length
 300     LANGUAGE: { min: 1, max: 10 }, // Length
 301     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 302     DESCRIPTION: { min: 3, max: 10000 }, // Length
 303     SUPPORT: { min: 3, max: 1000 }, // Length
 304     IMAGE: {
 305       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 306       FILE_SIZE: {
 307         max: 4 * 1024 * 1024 // 4MB
 308       }
 309     },
 310     EXTNAME: [] as string[],
 311     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 312     DURATION: { min: 0 }, // Number
 313     TAGS: { min: 0, max: 5 }, // Number of total tags
 314     TAG: { min: 2, max: 30 }, // Length
 315     VIEWS: { min: 0 },
 316     LIKES: { min: 0 },
 317     DISLIKES: { min: 0 },
 318     FILE_SIZE: { min: -1 },
 319     PARTIAL_UPLOAD_SIZE: { max: 50 * 1024 * 1024 * 1024 }, // 50GB
 320     URL: { min: 3, max: 2000 } // Length
 321   },
 322   VIDEO_PLAYLISTS: {
 323     NAME: { min: 1, max: 120 }, // Length
 324     DESCRIPTION: { min: 3, max: 1000 }, // Length
 325     URL: { min: 3, max: 2000 }, // Length
 326     IMAGE: {
 327       EXTNAME: [ '.jpg', '.jpeg' ],
 328       FILE_SIZE: {
 329         max: 4 * 1024 * 1024 // 4MB
 330       }
 331     }
 332   },
 333   ACTORS: {
 334     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 335     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 336     URL: { min: 3, max: 2000 }, // Length
 337     IMAGE: {
 338       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 339       FILE_SIZE: {
 340         max: 4 * 1024 * 1024 // 4MB
 341       }
 342     }
 343   },
 344   VIDEO_EVENTS: {
 345     COUNT: { min: 0 }
 346   },
 347   VIDEO_COMMENTS: {
 348     TEXT: { min: 1, max: 10000 }, // Length
 349     URL: { min: 3, max: 2000 } // Length
 350   },
 351   VIDEO_SHARE: {
 352     URL: { min: 3, max: 2000 } // Length
 353   },
 354   CONTACT_FORM: {
 355     FROM_NAME: { min: 1, max: 120 }, // Length
 356     BODY: { min: 3, max: 5000 } // Length
 357   },
 358   PLUGINS: {
 359     NAME: { min: 1, max: 214 }, // Length
 360     DESCRIPTION: { min: 1, max: 20000 } // Length
 361   },
 362   COMMONS: {
 363     URL: { min: 5, max: 2000 } // Length
 364   },
 365   VIDEO_STUDIO: {
 366     TASKS: { min: 1, max: 10 }, // Number of tasks
 367     CUT_TIME: { min: 0 } // Value
 368   },
 369   LOGS: {
 370     CLIENT_MESSAGE: { min: 1, max: 1000 }, // Length
 371     CLIENT_STACK_TRACE: { min: 1, max: 5000 }, // Length
 372     CLIENT_META: { min: 1, max: 5000 }, // Length
 373     CLIENT_USER_AGENT: { min: 1, max: 200 } // Length
 374   }
 375 }
 376
 377 const VIEW_LIFETIME = {
 378   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 379   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 380   VIEWER_STATS: 60000 * 60 // 1 hour
 381 }
 382
 383 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 384
 385 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 386
 387 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 388   MIN: 1,
 389   STANDARD: [ 24, 25, 30 ],
 390   HD_STANDARD: [ 50, 60 ],
 391   AUDIO_MERGE: 25,
 392   AVERAGE: 30,
 393   MAX: 60,
 394   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 395 }
 396
 397 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 398
 399 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 400   LIKE: 'like',
 401   DISLIKE: 'dislike'
 402 }
 403
 404 const FFMPEG_NICE: { [ id: string ]: number } = {
 405   // parent process defaults to niceness = 0
 406   // reminder: lower = higher priority, max value is 19, lowest is -20
 407   LIVE: 5, // prioritize over VOD and THUMBNAIL
 408   THUMBNAIL: 10,
 409   VOD: 15
 410 }
 411
 412 const VIDEO_CATEGORIES = {
 413   1: 'Music',
 414   2: 'Films',
 415   3: 'Vehicles',
 416   4: 'Art',
 417   5: 'Sports',
 418   6: 'Travels',
 419   7: 'Gaming',
 420   8: 'People',
 421   9: 'Comedy',
 422   10: 'Entertainment',
 423   11: 'News & Politics',
 424   12: 'How To',
 425   13: 'Education',
 426   14: 'Activism',
 427   15: 'Science & Technology',
 428   16: 'Animals',
 429   17: 'Kids',
 430   18: 'Food'
 431 }
 432
 433 // See https://creativecommons.org/licenses/?lang=en
 434 const VIDEO_LICENCES = {
 435   1: 'Attribution',
 436   2: 'Attribution - Share Alike',
 437   3: 'Attribution - No Derivatives',
 438   4: 'Attribution - Non Commercial',
 439   5: 'Attribution - Non Commercial - Share Alike',
 440   6: 'Attribution - Non Commercial - No Derivatives',
 441   7: 'Public Domain Dedication'
 442 }
 443
 444 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 445
 446 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 447   [VideoPrivacy.PUBLIC]: 'Public',
 448   [VideoPrivacy.UNLISTED]: 'Unlisted',
 449   [VideoPrivacy.PRIVATE]: 'Private',
 450   [VideoPrivacy.INTERNAL]: 'Internal'
 451 }
 452
 453 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 454   [VideoState.PUBLISHED]: 'Published',
 455   [VideoState.TO_TRANSCODE]: 'To transcode',
 456   [VideoState.TO_IMPORT]: 'To import',
 457   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 458   [VideoState.LIVE_ENDED]: 'Livestream ended',
 459   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 460   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 461   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 462   [VideoState.TO_EDIT]: 'To edit*'
 463 }
 464
 465 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 466   [VideoImportState.FAILED]: 'Failed',
 467   [VideoImportState.PENDING]: 'Pending',
 468   [VideoImportState.SUCCESS]: 'Success',
 469   [VideoImportState.REJECTED]: 'Rejected',
 470   [VideoImportState.CANCELLED]: 'Cancelled',
 471   [VideoImportState.PROCESSING]: 'Processing'
 472 }
 473
 474 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 475   [AbuseState.PENDING]: 'Pending',
 476   [AbuseState.REJECTED]: 'Rejected',
 477   [AbuseState.ACCEPTED]: 'Accepted'
 478 }
 479
 480 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 481   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 482   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 483   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 484 }
 485
 486 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 487   [VideoPlaylistType.REGULAR]: 'Regular',
 488   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 489 }
 490
 491 const MIMETYPES = {
 492   AUDIO: {
 493     MIMETYPE_EXT: {
 494       'audio/mpeg': '.mp3',
 495       'audio/mp3': '.mp3',
 496
 497       'application/ogg': '.ogg',
 498       'audio/ogg': '.ogg',
 499
 500       'audio/x-ms-wma': '.wma',
 501       'audio/wav': '.wav',
 502       'audio/x-wav': '.wav',
 503
 504       'audio/x-flac': '.flac',
 505       'audio/flac': '.flac',
 506
 507       'audio/vnd.dlna.adts': '.aac',
 508       'audio/aac': '.aac',
 509
 510       'audio/m4a': '.m4a',
 511       'audio/mp4': '.m4a',
 512       'audio/x-m4a': '.m4a',
 513
 514       'audio/vnd.dolby.dd-raw': '.ac3',
 515       'audio/ac3': '.ac3'
 516     },
 517     EXT_MIMETYPE: null as { [ id: string ]: string }
 518   },
 519   VIDEO: {
 520     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 521     MIMETYPES_REGEX: null as string,
 522     EXT_MIMETYPE: null as { [ id: string ]: string }
 523   },
 524   IMAGE: {
 525     MIMETYPE_EXT: {
 526       'image/png': '.png',
 527       'image/gif': '.gif',
 528       'image/webp': '.webp',
 529       'image/jpg': '.jpg',
 530       'image/jpeg': '.jpg'
 531     },
 532     EXT_MIMETYPE: null as { [ id: string ]: string }
 533   },
 534   VIDEO_CAPTIONS: {
 535     MIMETYPE_EXT: {
 536       'text/vtt': '.vtt',
 537       'application/x-subrip': '.srt',
 538       'text/plain': '.srt'
 539     }
 540   },
 541   TORRENT: {
 542     MIMETYPE_EXT: {
 543       'application/x-bittorrent': '.torrent'
 544     }
 545   }
 546 }
 547 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 548 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 549
 550 const BINARY_CONTENT_TYPES = new Set([
 551   'binary/octet-stream',
 552   'application/octet-stream',
 553   'application/x-binary'
 554 ])
 555
 556 // ---------------------------------------------------------------------------
 557
 558 const OVERVIEWS = {
 559   VIDEOS: {
 560     SAMPLE_THRESHOLD: 6,
 561     SAMPLES_COUNT: 20
 562   }
 563 }
 564
 565 // ---------------------------------------------------------------------------
 566
 567 const SERVER_ACTOR_NAME = 'peertube'
 568
 569 const ACTIVITY_PUB = {
 570   POTENTIAL_ACCEPT_HEADERS: [
 571     'application/activity+json',
 572     'application/ld+json',
 573     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 574   ],
 575   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 576   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 577   COLLECTION_ITEMS_PER_PAGE: 10,
 578   FETCH_PAGE_LIMIT: 2000,
 579   URL_MIME_TYPES: {
 580     VIDEO: [] as string[],
 581     TORRENT: [ 'application/x-bittorrent' ],
 582     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 583   },
 584   MAX_RECURSION_COMMENTS: 100,
 585   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 586   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 587   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 588 }
 589
 590 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 591   GROUP: 'Group',
 592   PERSON: 'Person',
 593   APPLICATION: 'Application',
 594   ORGANIZATION: 'Organization',
 595   SERVICE: 'Service'
 596 }
 597
 598 const HTTP_SIGNATURE = {
 599   HEADER_NAME: 'signature',
 600   ALGORITHM: 'rsa-sha256',
 601   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 602   CLOCK_SKEW_SECONDS: 1800
 603 }
 604
 605 // ---------------------------------------------------------------------------
 606
 607 let PRIVATE_RSA_KEY_SIZE = 2048
 608
 609 // Password encryption
 610 const BCRYPT_SALT_SIZE = 10
 611
 612 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 613 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 614
 615 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 616
 617 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 618   DO_NOT_LIST: 'do_not_list',
 619   BLUR: 'blur',
 620   DISPLAY: 'display'
 621 }
 622
 623 // ---------------------------------------------------------------------------
 624
 625 // Express static paths (router)
 626 const STATIC_PATHS = {
 627   THUMBNAILS: '/static/thumbnails/',
 628   WEBSEED: '/static/webseed/',
 629   REDUNDANCY: '/static/redundancy/',
 630   STREAMING_PLAYLISTS: {
 631     HLS: '/static/streaming-playlists/hls'
 632   }
 633 }
 634 const STATIC_DOWNLOAD_PATHS = {
 635   TORRENTS: '/download/torrents/',
 636   VIDEOS: '/download/videos/',
 637   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 638 }
 639 const LAZY_STATIC_PATHS = {
 640   BANNERS: '/lazy-static/banners/',
 641   AVATARS: '/lazy-static/avatars/',
 642   PREVIEWS: '/lazy-static/previews/',
 643   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 644   TORRENTS: '/lazy-static/torrents/'
 645 }
 646
 647 // Cache control
 648 const STATIC_MAX_AGE = {
 649   SERVER: '2h',
 650   LAZY_SERVER: '2d',
 651   CLIENT: '30d'
 652 }
 653
 654 // Videos thumbnail size
 655 const THUMBNAILS_SIZE = {
 656   width: 280,
 657   height: 157,
 658   minWidth: 150
 659 }
 660 const PREVIEWS_SIZE = {
 661   width: 850,
 662   height: 480,
 663   minWidth: 400
 664 }
 665 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[]} = {
 666   [ActorImageType.AVATAR]: [
 667     {
 668       width: 120,
 669       height: 120
 670     },
 671     {
 672       width: 48,
 673       height: 48
 674     }
 675   ],
 676   [ActorImageType.BANNER]: [
 677     {
 678       width: 1920,
 679       height: 317 // 6/1 ratio
 680     }
 681   ]
 682 }
 683
 684 const EMBED_SIZE = {
 685   width: 560,
 686   height: 315
 687 }
 688
 689 // Sub folders of cache directory
 690 const FILES_CACHE = {
 691   PREVIEWS: {
 692     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 693     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 694   },
 695   VIDEO_CAPTIONS: {
 696     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 697     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 698   },
 699   TORRENTS: {
 700     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 701     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 702   }
 703 }
 704
 705 const LRU_CACHE = {
 706   USER_TOKENS: {
 707     MAX_SIZE: 1000
 708   },
 709   ACTOR_IMAGE_STATIC: {
 710     MAX_SIZE: 500
 711   }
 712 }
 713
 714 const RESUMABLE_UPLOAD_DIRECTORY = join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads')
 715 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 716 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 717
 718 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 719
 720 const VIDEO_LIVE = {
 721   EXTENSION: '.ts',
 722   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 723   SEGMENT_TIME_SECONDS: {
 724     DEFAULT_LATENCY: 4, // 4 seconds
 725     SMALL_LATENCY: 2 // 2 seconds
 726   },
 727   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 728   REPLAY_DIRECTORY: 'replay',
 729   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 730   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 731   RTMP: {
 732     CHUNK_SIZE: 60000,
 733     GOP_CACHE: true,
 734     PING: 60,
 735     PING_TIMEOUT: 30,
 736     BASE_PATH: 'live'
 737   }
 738 }
 739
 740 const MEMOIZE_TTL = {
 741   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 742   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 743   VIDEO_DURATION: 1000 * 10, // 10 seconds
 744   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 745   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60, // 1 minute
 746   GET_STATS_FOR_OPEN_TELEMETRY_METRICS: 1000 * 60 // 1 minute
 747 }
 748
 749 const MEMOIZE_LENGTH = {
 750   INFO_HASH_EXISTS: 200,
 751   VIDEO_DURATION: 200
 752 }
 753
 754 const WORKER_THREADS = {
 755   DOWNLOAD_IMAGE: {
 756     CONCURRENCY: 3,
 757     MAX_THREADS: 1
 758   },
 759   PROCESS_IMAGE: {
 760     CONCURRENCY: 1,
 761     MAX_THREADS: 5
 762   }
 763 }
 764
 765 const REDUNDANCY = {
 766   VIDEOS: {
 767     RANDOMIZED_FACTOR: 5
 768   }
 769 }
 770
 771 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 772
 773 const ASSETS_PATH = {
 774   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 775   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 776 }
 777
 778 // ---------------------------------------------------------------------------
 779
 780 const CUSTOM_HTML_TAG_COMMENTS = {
 781   TITLE: '<!-- title tag -->',
 782   DESCRIPTION: '<!-- description tag -->',
 783   CUSTOM_CSS: '<!-- custom css tag -->',
 784   META_TAGS: '<!-- meta tags -->',
 785   SERVER_CONFIG: '<!-- server config -->'
 786 }
 787
 788 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 789 const LOG_FILENAME = 'peertube.log'
 790 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 791
 792 // ---------------------------------------------------------------------------
 793
 794 const TRACKER_RATE_LIMITS = {
 795   INTERVAL: 60000 * 5, // 5 minutes
 796   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 797   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 798   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 799 }
 800
 801 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 802
 803 // ---------------------------------------------------------------------------
 804
 805 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 806 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 807
 808 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 809
 810 const DEFAULT_THEME_NAME = 'default'
 811 const DEFAULT_USER_THEME_NAME = 'instance-default'
 812
 813 // ---------------------------------------------------------------------------
 814
 815 const SEARCH_INDEX = {
 816   ROUTES: {
 817     VIDEOS: '/api/v1/search/videos',
 818     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 819   }
 820 }
 821
 822 // ---------------------------------------------------------------------------
 823
 824 const STATS_TIMESERIE = {
 825   MAX_DAYS: 365 * 10 // Around 10 years
 826 }
 827
 828 // ---------------------------------------------------------------------------
 829
 830 // Special constants for a test instance
 831 if (process.env.PRODUCTION_CONSTANTS !== 'true') {
 832   if (isTestOrDevInstance()) {
 833     PRIVATE_RSA_KEY_SIZE = 1024
 834
 835     ACTOR_FOLLOW_SCORE.BASE = 20
 836
 837     REMOTE_SCHEME.HTTP = 'http'
 838     REMOTE_SCHEME.WS = 'ws'
 839
 840     STATIC_MAX_AGE.SERVER = '0'
 841
 842     SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 843     SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 844     SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 845     SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 846     SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 847     SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 848     SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 849     SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 850
 851     REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 852
 853     REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 854     AP_CLEANER.PERIOD = 5000
 855
 856     REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 857
 858     CONTACT_FORM_LIFETIME = 1000 // 1 second
 859
 860     JOB_ATTEMPTS['email'] = 1
 861
 862     FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 863     MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 864     MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 865     OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 866
 867     PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 868   }
 869
 870   if (isTestInstance()) {
 871     ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 872     ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 873     ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 874     ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 875
 876     CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 877     CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 878
 879     VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 880     VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 881
 882     VIDEO_LIVE.CLEANUP_DELAY = getIntEnv('PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY') ?? 5000
 883     VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 884     VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 885     VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 886   }
 887 }
 888
 889 updateWebserverUrls()
 890 updateWebserverConfig()
 891
 892 registerConfigChangedHandler(() => {
 893   updateWebserverUrls()
 894   updateWebserverConfig()
 895 })
 896
 897 // ---------------------------------------------------------------------------
 898
 899 const FILES_CONTENT_HASH = {
 900   MANIFEST: generateContentHash(),
 901   FAVICON: generateContentHash(),
 902   LOGO: generateContentHash()
 903 }
 904
 905 // ---------------------------------------------------------------------------
 906
 907 const VIDEO_FILTERS = {
 908   WATERMARK: {
 909     SIZE_RATIO: 1 / 10,
 910     HORIZONTAL_MARGIN_RATIO: 1 / 20,
 911     VERTICAL_MARGIN_RATIO: 1 / 20
 912   }
 913 }
 914
 915 // ---------------------------------------------------------------------------
 916
 917 export {
 918   WEBSERVER,
 919   API_VERSION,
 920   VIDEO_LIVE,
 921   PEERTUBE_VERSION,
 922   LAZY_STATIC_PATHS,
 923   SEARCH_INDEX,
 924   RESUMABLE_UPLOAD_DIRECTORY,
 925   RESUMABLE_UPLOAD_SESSION_LIFETIME,
 926   HLS_REDUNDANCY_DIRECTORY,
 927   P2P_MEDIA_LOADER_PEER_VERSION,
 928   ACTOR_IMAGES_SIZE,
 929   ACCEPT_HEADERS,
 930   BCRYPT_SALT_SIZE,
 931   TRACKER_RATE_LIMITS,
 932   FILES_CACHE,
 933   LOG_FILENAME,
 934   CONSTRAINTS_FIELDS,
 935   EMBED_SIZE,
 936   REDUNDANCY,
 937   JOB_CONCURRENCY,
 938   JOB_ATTEMPTS,
 939   AP_CLEANER,
 940   LAST_MIGRATION_VERSION,
 941   OAUTH_LIFETIME,
 942   CUSTOM_HTML_TAG_COMMENTS,
 943   STATS_TIMESERIE,
 944   BROADCAST_CONCURRENCY,
 945   AUDIT_LOG_FILENAME,
 946   PAGINATION,
 947   ACTOR_FOLLOW_SCORE,
 948   PREVIEWS_SIZE,
 949   REMOTE_SCHEME,
 950   FOLLOW_STATES,
 951   DEFAULT_USER_THEME_NAME,
 952   SERVER_ACTOR_NAME,
 953   PLUGIN_GLOBAL_CSS_FILE_NAME,
 954   PLUGIN_GLOBAL_CSS_PATH,
 955   PRIVATE_RSA_KEY_SIZE,
 956   VIDEO_FILTERS,
 957   ROUTE_CACHE_LIFETIME,
 958   SORTABLE_COLUMNS,
 959   HLS_STREAMING_PLAYLIST_DIRECTORY,
 960   JOB_TTL,
 961   DEFAULT_THEME_NAME,
 962   NSFW_POLICY_TYPES,
 963   STATIC_MAX_AGE,
 964   STATIC_PATHS,
 965   VIDEO_IMPORT_TIMEOUT,
 966   VIDEO_PLAYLIST_TYPES,
 967   MAX_LOGS_OUTPUT_CHARACTERS,
 968   ACTIVITY_PUB,
 969   ACTIVITY_PUB_ACTOR_TYPES,
 970   THUMBNAILS_SIZE,
 971   VIDEO_CATEGORIES,
 972   MEMOIZE_LENGTH,
 973   VIDEO_LANGUAGES,
 974   VIDEO_PRIVACIES,
 975   VIDEO_LICENCES,
 976   VIDEO_STATES,
 977   WORKER_THREADS,
 978   VIDEO_RATE_TYPES,
 979   JOB_PRIORITY,
 980   VIDEO_TRANSCODING_FPS,
 981   FFMPEG_NICE,
 982   ABUSE_STATES,
 983   LRU_CACHE,
 984   REQUEST_TIMEOUTS,
 985   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
 986   USER_PASSWORD_RESET_LIFETIME,
 987   USER_PASSWORD_CREATE_LIFETIME,
 988   MEMOIZE_TTL,
 989   USER_EMAIL_VERIFY_LIFETIME,
 990   OVERVIEWS,
 991   SCHEDULER_INTERVALS_MS,
 992   REPEAT_JOBS,
 993   STATIC_DOWNLOAD_PATHS,
 994   MIMETYPES,
 995   CRAWL_REQUEST_CONCURRENCY,
 996   DEFAULT_AUDIO_RESOLUTION,
 997   BINARY_CONTENT_TYPES,
 998   JOB_COMPLETED_LIFETIME,
 999   HTTP_SIGNATURE,
1000   VIDEO_IMPORT_STATES,
1001   VIEW_LIFETIME,
1002   CONTACT_FORM_LIFETIME,
1003   VIDEO_PLAYLIST_PRIVACIES,
1004   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
1005   ASSETS_PATH,
1006   FILES_CONTENT_HASH,
1007   loadLanguages,
1008   buildLanguages,
1009   generateContentHash
1010 }
1011
1012 // ---------------------------------------------------------------------------
1013
1014 function buildVideoMimetypeExt () {
1015   const data = {
1016     // streamable formats that warrant cross-browser compatibility
1017     'video/webm': '.webm',
1018     // We'll add .ogg if additional extensions are enabled
1019     // We could add .ogg here but since it could be an audio file,
1020     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1021     'video/ogg': [ '.ogv' ],
1022     'video/mp4': '.mp4'
1023   }
1024
1025   if (CONFIG.TRANSCODING.ENABLED) {
1026     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1027       data['video/ogg'].push('.ogg')
1028
1029       Object.assign(data, {
1030         'video/x-matroska': '.mkv',
1031
1032         // Developed by Apple
1033         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1034         'video/x-m4v': '.m4v',
1035         'video/m4v': '.m4v',
1036
1037         // Developed by the Adobe Flash Platform
1038         'video/x-flv': '.flv',
1039         'video/x-f4v': '.f4v', // replacement for flv
1040
1041         // Developed by Microsoft
1042         'video/x-ms-wmv': '.wmv',
1043         'video/x-msvideo': '.avi',
1044         'video/avi': '.avi',
1045
1046         // Developed by 3GPP
1047         // common video formats for cell phones
1048         'video/3gpp': [ '.3gp', '.3gpp' ],
1049         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1050
1051         // Developed by FFmpeg/Mplayer
1052         'application/x-nut': '.nut',
1053
1054         // The standard video format used by many Sony and Panasonic HD camcorders.
1055         // It is also used for storing high definition video on Blu-ray discs.
1056         'video/mp2t': '.mts',
1057         'video/vnd.dlna.mpeg-tts': '.mts',
1058
1059         'video/m2ts': '.m2ts',
1060
1061         // Old formats reliant on MPEG-1/MPEG-2
1062         'video/mpv': '.mpv',
1063         'video/mpeg2': '.m2v',
1064         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1065         'video/dvd': '.vob',
1066
1067         // Could be anything
1068         'application/octet-stream': null,
1069         'application/mxf': '.mxf' // often used as exchange format by editing software
1070       })
1071     }
1072
1073     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1074       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1075     }
1076   }
1077
1078   return data
1079 }
1080
1081 function updateWebserverUrls () {
1082   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1083   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1084   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1085
1086   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1087   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1088   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1089
1090   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1091   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1092
1093   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1094   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1095 }
1096
1097 function updateWebserverConfig () {
1098   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1099   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1100
1101   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1102
1103   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1104
1105   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1106 }
1107
1108 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1109   const result: { [id: string]: string } = {}
1110
1111   for (const mimetype of Object.keys(obj)) {
1112     const value = obj[mimetype]
1113     if (!value) continue
1114
1115     const extensions = Array.isArray(value) ? value : [ value ]
1116
1117     for (const extension of extensions) {
1118       result[extension] = mimetype
1119     }
1120   }
1121
1122   return result
1123 }
1124
1125 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1126   return Object.keys(obj)
1127     .map(m => `(${m})`)
1128     .join('|')
1129 }
1130
1131 function loadLanguages () {
1132   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1133 }
1134
1135 function buildLanguages () {
1136   const iso639 = require('iso-639-3')
1137
1138   const languages: { [id: string]: string } = {}
1139
1140   const additionalLanguages = {
1141     sgn: true, // Sign languages (macro language)
1142     ase: true, // American sign language
1143     sdl: true, // Arabian sign language
1144     bfi: true, // British sign language
1145     bzs: true, // Brazilian sign language
1146     csl: true, // Chinese sign language
1147     cse: true, // Czech sign language
1148     dsl: true, // Danish sign language
1149     fsl: true, // French sign language
1150     gsg: true, // German sign language
1151     pks: true, // Pakistan sign language
1152     jsl: true, // Japanese sign language
1153     sfs: true, // South African sign language
1154     swl: true, // Swedish sign language
1155     rsl: true, // Russian sign language
1156
1157     kab: true, // Kabyle
1158
1159     lat: true, // Latin
1160
1161     epo: true, // Esperanto
1162     tlh: true, // Klingon
1163     jbo: true, // Lojban
1164     avk: true, // Kotava
1165
1166     zxx: true // No linguistic content (ISO-639-2)
1167   }
1168
1169   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1170   iso639
1171     .filter(l => {
1172       return (l.iso6391 !== undefined && l.type === 'living') ||
1173         additionalLanguages[l.iso6393] === true
1174     })
1175     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1176
1177   // Override Occitan label
1178   languages['oc'] = 'Occitan'
1179   languages['el'] = 'Greek'
1180   languages['tok'] = 'Toki Pona'
1181
1182   // Chinese languages
1183   languages['zh-Hans'] = 'Simplified Chinese'
1184   languages['zh-Hant'] = 'Traditional Chinese'
1185
1186   return languages
1187 }
1188
1189 function generateContentHash () {
1190   return randomBytes(20).toString('hex')
1191 }
1192
1193 function getIntEnv (path: string) {
1194   if (process.env[path]) return parseInt(process.env[path])
1195
1196   return undefined
1197 }