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, parseDurationToMs, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
  23 import { CONFIG, registerConfigChangedHandler } from './config'
  24
  25 // ---------------------------------------------------------------------------
  26
  27 const LAST_MIGRATION_VERSION = 715
  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 }
 370
 371 const VIEW_LIFETIME = {
 372   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 373   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 374   VIEWER_STATS: 60000 * 60 // 1 hour
 375 }
 376
 377 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 378
 379 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 380
 381 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 382   MIN: 1,
 383   STANDARD: [ 24, 25, 30 ],
 384   HD_STANDARD: [ 50, 60 ],
 385   AUDIO_MERGE: 25,
 386   AVERAGE: 30,
 387   MAX: 60,
 388   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 389 }
 390
 391 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 392
 393 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 394   LIKE: 'like',
 395   DISLIKE: 'dislike'
 396 }
 397
 398 const FFMPEG_NICE: { [ id: string ]: number } = {
 399   // parent process defaults to niceness = 0
 400   // reminder: lower = higher priority, max value is 19, lowest is -20
 401   LIVE: 5, // prioritize over VOD and THUMBNAIL
 402   THUMBNAIL: 10,
 403   VOD: 15
 404 }
 405
 406 const VIDEO_CATEGORIES = {
 407   1: 'Music',
 408   2: 'Films',
 409   3: 'Vehicles',
 410   4: 'Art',
 411   5: 'Sports',
 412   6: 'Travels',
 413   7: 'Gaming',
 414   8: 'People',
 415   9: 'Comedy',
 416   10: 'Entertainment',
 417   11: 'News & Politics',
 418   12: 'How To',
 419   13: 'Education',
 420   14: 'Activism',
 421   15: 'Science & Technology',
 422   16: 'Animals',
 423   17: 'Kids',
 424   18: 'Food'
 425 }
 426
 427 // See https://creativecommons.org/licenses/?lang=en
 428 const VIDEO_LICENCES = {
 429   1: 'Attribution',
 430   2: 'Attribution - Share Alike',
 431   3: 'Attribution - No Derivatives',
 432   4: 'Attribution - Non Commercial',
 433   5: 'Attribution - Non Commercial - Share Alike',
 434   6: 'Attribution - Non Commercial - No Derivatives',
 435   7: 'Public Domain Dedication'
 436 }
 437
 438 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 439
 440 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 441   [VideoPrivacy.PUBLIC]: 'Public',
 442   [VideoPrivacy.UNLISTED]: 'Unlisted',
 443   [VideoPrivacy.PRIVATE]: 'Private',
 444   [VideoPrivacy.INTERNAL]: 'Internal'
 445 }
 446
 447 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 448   [VideoState.PUBLISHED]: 'Published',
 449   [VideoState.TO_TRANSCODE]: 'To transcode',
 450   [VideoState.TO_IMPORT]: 'To import',
 451   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 452   [VideoState.LIVE_ENDED]: 'Livestream ended',
 453   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 454   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 455   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 456   [VideoState.TO_EDIT]: 'To edit*'
 457 }
 458
 459 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 460   [VideoImportState.FAILED]: 'Failed',
 461   [VideoImportState.PENDING]: 'Pending',
 462   [VideoImportState.SUCCESS]: 'Success',
 463   [VideoImportState.REJECTED]: 'Rejected',
 464   [VideoImportState.CANCELLED]: 'Cancelled',
 465   [VideoImportState.PROCESSING]: 'Processing'
 466 }
 467
 468 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 469   [AbuseState.PENDING]: 'Pending',
 470   [AbuseState.REJECTED]: 'Rejected',
 471   [AbuseState.ACCEPTED]: 'Accepted'
 472 }
 473
 474 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 475   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 476   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 477   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 478 }
 479
 480 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 481   [VideoPlaylistType.REGULAR]: 'Regular',
 482   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 483 }
 484
 485 const MIMETYPES = {
 486   AUDIO: {
 487     MIMETYPE_EXT: {
 488       'audio/mpeg': '.mp3',
 489       'audio/mp3': '.mp3',
 490
 491       'application/ogg': '.ogg',
 492       'audio/ogg': '.ogg',
 493
 494       'audio/x-ms-wma': '.wma',
 495       'audio/wav': '.wav',
 496       'audio/x-wav': '.wav',
 497
 498       'audio/x-flac': '.flac',
 499       'audio/flac': '.flac',
 500
 501       'audio/vnd.dlna.adts': '.aac',
 502       'audio/aac': '.aac',
 503
 504       'audio/m4a': '.m4a',
 505       'audio/mp4': '.m4a',
 506       'audio/x-m4a': '.m4a',
 507
 508       'audio/vnd.dolby.dd-raw': '.ac3',
 509       'audio/ac3': '.ac3'
 510     },
 511     EXT_MIMETYPE: null as { [ id: string ]: string }
 512   },
 513   VIDEO: {
 514     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 515     MIMETYPES_REGEX: null as string,
 516     EXT_MIMETYPE: null as { [ id: string ]: string }
 517   },
 518   IMAGE: {
 519     MIMETYPE_EXT: {
 520       'image/png': '.png',
 521       'image/gif': '.gif',
 522       'image/webp': '.webp',
 523       'image/jpg': '.jpg',
 524       'image/jpeg': '.jpg'
 525     },
 526     EXT_MIMETYPE: null as { [ id: string ]: string }
 527   },
 528   VIDEO_CAPTIONS: {
 529     MIMETYPE_EXT: {
 530       'text/vtt': '.vtt',
 531       'application/x-subrip': '.srt',
 532       'text/plain': '.srt'
 533     }
 534   },
 535   TORRENT: {
 536     MIMETYPE_EXT: {
 537       'application/x-bittorrent': '.torrent'
 538     }
 539   }
 540 }
 541 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 542 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 543
 544 const BINARY_CONTENT_TYPES = new Set([
 545   'binary/octet-stream',
 546   'application/octet-stream',
 547   'application/x-binary'
 548 ])
 549
 550 // ---------------------------------------------------------------------------
 551
 552 const OVERVIEWS = {
 553   VIDEOS: {
 554     SAMPLE_THRESHOLD: 6,
 555     SAMPLES_COUNT: 20
 556   }
 557 }
 558
 559 // ---------------------------------------------------------------------------
 560
 561 const SERVER_ACTOR_NAME = 'peertube'
 562
 563 const ACTIVITY_PUB = {
 564   POTENTIAL_ACCEPT_HEADERS: [
 565     'application/activity+json',
 566     'application/ld+json',
 567     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 568   ],
 569   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 570   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 571   COLLECTION_ITEMS_PER_PAGE: 10,
 572   FETCH_PAGE_LIMIT: 2000,
 573   URL_MIME_TYPES: {
 574     VIDEO: [] as string[],
 575     TORRENT: [ 'application/x-bittorrent' ],
 576     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 577   },
 578   MAX_RECURSION_COMMENTS: 100,
 579   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 580   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 581   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 582 }
 583
 584 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 585   GROUP: 'Group',
 586   PERSON: 'Person',
 587   APPLICATION: 'Application',
 588   ORGANIZATION: 'Organization',
 589   SERVICE: 'Service'
 590 }
 591
 592 const HTTP_SIGNATURE = {
 593   HEADER_NAME: 'signature',
 594   ALGORITHM: 'rsa-sha256',
 595   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 596   CLOCK_SKEW_SECONDS: 1800
 597 }
 598
 599 // ---------------------------------------------------------------------------
 600
 601 let PRIVATE_RSA_KEY_SIZE = 2048
 602
 603 // Password encryption
 604 const BCRYPT_SALT_SIZE = 10
 605
 606 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 607 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 608
 609 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 610
 611 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 612   DO_NOT_LIST: 'do_not_list',
 613   BLUR: 'blur',
 614   DISPLAY: 'display'
 615 }
 616
 617 // ---------------------------------------------------------------------------
 618
 619 // Express static paths (router)
 620 const STATIC_PATHS = {
 621   THUMBNAILS: '/static/thumbnails/',
 622   WEBSEED: '/static/webseed/',
 623   REDUNDANCY: '/static/redundancy/',
 624   STREAMING_PLAYLISTS: {
 625     HLS: '/static/streaming-playlists/hls'
 626   }
 627 }
 628 const STATIC_DOWNLOAD_PATHS = {
 629   TORRENTS: '/download/torrents/',
 630   VIDEOS: '/download/videos/',
 631   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 632 }
 633 const LAZY_STATIC_PATHS = {
 634   BANNERS: '/lazy-static/banners/',
 635   AVATARS: '/lazy-static/avatars/',
 636   PREVIEWS: '/lazy-static/previews/',
 637   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 638   TORRENTS: '/lazy-static/torrents/'
 639 }
 640
 641 // Cache control
 642 const STATIC_MAX_AGE = {
 643   SERVER: '2h',
 644   LAZY_SERVER: '2d',
 645   CLIENT: '30d'
 646 }
 647
 648 // Videos thumbnail size
 649 const THUMBNAILS_SIZE = {
 650   width: 280,
 651   height: 157,
 652   minWidth: 150
 653 }
 654 const PREVIEWS_SIZE = {
 655   width: 850,
 656   height: 480,
 657   minWidth: 400
 658 }
 659 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[]} = {
 660   [ActorImageType.AVATAR]: [
 661     {
 662       width: 120,
 663       height: 120
 664     },
 665     {
 666       width: 48,
 667       height: 48
 668     }
 669   ],
 670   [ActorImageType.BANNER]: [
 671     {
 672       width: 1920,
 673       height: 317 // 6/1 ratio
 674     }
 675   ]
 676 }
 677
 678 const EMBED_SIZE = {
 679   width: 560,
 680   height: 315
 681 }
 682
 683 // Sub folders of cache directory
 684 const FILES_CACHE = {
 685   PREVIEWS: {
 686     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 687     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 688   },
 689   VIDEO_CAPTIONS: {
 690     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 691     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 692   },
 693   TORRENTS: {
 694     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 695     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 696   }
 697 }
 698
 699 const LRU_CACHE = {
 700   USER_TOKENS: {
 701     MAX_SIZE: 1000
 702   },
 703   ACTOR_IMAGE_STATIC: {
 704     MAX_SIZE: 500
 705   }
 706 }
 707
 708 const RESUMABLE_UPLOAD_DIRECTORY = join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads')
 709 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 710 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 711
 712 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 713
 714 const VIDEO_LIVE = {
 715   EXTENSION: '.ts',
 716   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 717   SEGMENT_TIME_SECONDS: {
 718     DEFAULT_LATENCY: 4, // 4 seconds
 719     SMALL_LATENCY: 2 // 2 seconds
 720   },
 721   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 722   REPLAY_DIRECTORY: 'replay',
 723   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 724   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 725   RTMP: {
 726     CHUNK_SIZE: 60000,
 727     GOP_CACHE: true,
 728     PING: 60,
 729     PING_TIMEOUT: 30,
 730     BASE_PATH: 'live'
 731   }
 732 }
 733
 734 const MEMOIZE_TTL = {
 735   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 736   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 737   VIDEO_DURATION: 1000 * 10, // 10 seconds
 738   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 739   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60 // 1 minute
 740 }
 741
 742 const MEMOIZE_LENGTH = {
 743   INFO_HASH_EXISTS: 200,
 744   VIDEO_DURATION: 200
 745 }
 746
 747 const QUEUE_CONCURRENCY = {
 748   ACTOR_PROCESS_IMAGE: 3
 749 }
 750
 751 const REDUNDANCY = {
 752   VIDEOS: {
 753     RANDOMIZED_FACTOR: 5
 754   }
 755 }
 756
 757 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 758
 759 const ASSETS_PATH = {
 760   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 761   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 762 }
 763
 764 // ---------------------------------------------------------------------------
 765
 766 const CUSTOM_HTML_TAG_COMMENTS = {
 767   TITLE: '<!-- title tag -->',
 768   DESCRIPTION: '<!-- description tag -->',
 769   CUSTOM_CSS: '<!-- custom css tag -->',
 770   META_TAGS: '<!-- meta tags -->',
 771   SERVER_CONFIG: '<!-- server config -->'
 772 }
 773
 774 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 775 const LOG_FILENAME = 'peertube.log'
 776 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 777
 778 // ---------------------------------------------------------------------------
 779
 780 const TRACKER_RATE_LIMITS = {
 781   INTERVAL: 60000 * 5, // 5 minutes
 782   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 783   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 784   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 785 }
 786
 787 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 788
 789 // ---------------------------------------------------------------------------
 790
 791 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 792 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 793
 794 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 795
 796 const DEFAULT_THEME_NAME = 'default'
 797 const DEFAULT_USER_THEME_NAME = 'instance-default'
 798
 799 // ---------------------------------------------------------------------------
 800
 801 const SEARCH_INDEX = {
 802   ROUTES: {
 803     VIDEOS: '/api/v1/search/videos',
 804     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 805   }
 806 }
 807
 808 // ---------------------------------------------------------------------------
 809
 810 const STATS_TIMESERIE = {
 811   MAX_DAYS: 365 * 10 // Around 10 years
 812 }
 813
 814 // ---------------------------------------------------------------------------
 815
 816 // Special constants for a test instance
 817 if (isTestInstance() === true && process.env.PRODUCTION_CONSTANTS !== 'true') {
 818   PRIVATE_RSA_KEY_SIZE = 1024
 819
 820   ACTOR_FOLLOW_SCORE.BASE = 20
 821
 822   REMOTE_SCHEME.HTTP = 'http'
 823   REMOTE_SCHEME.WS = 'ws'
 824
 825   STATIC_MAX_AGE.SERVER = '0'
 826
 827   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 828   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 829   ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 830   ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 831
 832   CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 833   CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 834
 835   SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 836   SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 837   SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 838   SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 839   SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 840   SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 841   SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 842   SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 843
 844   REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 845
 846   REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 847   AP_CLEANER.PERIOD = 5000
 848
 849   REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 850
 851   VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 852   VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 853   CONTACT_FORM_LIFETIME = 1000 // 1 second
 854
 855   JOB_ATTEMPTS['email'] = 1
 856
 857   FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 858   MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 859   MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 860   OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 861
 862   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 863
 864   VIDEO_LIVE.CLEANUP_DELAY = 5000
 865   VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 866   VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 867   VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 868 }
 869
 870 updateWebserverUrls()
 871 updateWebserverConfig()
 872
 873 registerConfigChangedHandler(() => {
 874   updateWebserverUrls()
 875   updateWebserverConfig()
 876 })
 877
 878 // ---------------------------------------------------------------------------
 879
 880 const FILES_CONTENT_HASH = {
 881   MANIFEST: generateContentHash(),
 882   FAVICON: generateContentHash(),
 883   LOGO: generateContentHash()
 884 }
 885
 886 // ---------------------------------------------------------------------------
 887
 888 const VIDEO_FILTERS = {
 889   WATERMARK: {
 890     SIZE_RATIO: 1 / 10,
 891     HORIZONTAL_MARGIN_RATIO: 1 / 20,
 892     VERTICAL_MARGIN_RATIO: 1 / 20
 893   }
 894 }
 895
 896 // ---------------------------------------------------------------------------
 897
 898 export {
 899   WEBSERVER,
 900   API_VERSION,
 901   VIDEO_LIVE,
 902   PEERTUBE_VERSION,
 903   LAZY_STATIC_PATHS,
 904   SEARCH_INDEX,
 905   RESUMABLE_UPLOAD_DIRECTORY,
 906   RESUMABLE_UPLOAD_SESSION_LIFETIME,
 907   HLS_REDUNDANCY_DIRECTORY,
 908   P2P_MEDIA_LOADER_PEER_VERSION,
 909   ACTOR_IMAGES_SIZE,
 910   ACCEPT_HEADERS,
 911   BCRYPT_SALT_SIZE,
 912   TRACKER_RATE_LIMITS,
 913   FILES_CACHE,
 914   LOG_FILENAME,
 915   CONSTRAINTS_FIELDS,
 916   EMBED_SIZE,
 917   REDUNDANCY,
 918   JOB_CONCURRENCY,
 919   JOB_ATTEMPTS,
 920   AP_CLEANER,
 921   LAST_MIGRATION_VERSION,
 922   OAUTH_LIFETIME,
 923   CUSTOM_HTML_TAG_COMMENTS,
 924   STATS_TIMESERIE,
 925   BROADCAST_CONCURRENCY,
 926   AUDIT_LOG_FILENAME,
 927   PAGINATION,
 928   ACTOR_FOLLOW_SCORE,
 929   PREVIEWS_SIZE,
 930   REMOTE_SCHEME,
 931   FOLLOW_STATES,
 932   DEFAULT_USER_THEME_NAME,
 933   SERVER_ACTOR_NAME,
 934   PLUGIN_GLOBAL_CSS_FILE_NAME,
 935   PLUGIN_GLOBAL_CSS_PATH,
 936   PRIVATE_RSA_KEY_SIZE,
 937   VIDEO_FILTERS,
 938   ROUTE_CACHE_LIFETIME,
 939   SORTABLE_COLUMNS,
 940   HLS_STREAMING_PLAYLIST_DIRECTORY,
 941   JOB_TTL,
 942   DEFAULT_THEME_NAME,
 943   NSFW_POLICY_TYPES,
 944   STATIC_MAX_AGE,
 945   STATIC_PATHS,
 946   VIDEO_IMPORT_TIMEOUT,
 947   VIDEO_PLAYLIST_TYPES,
 948   MAX_LOGS_OUTPUT_CHARACTERS,
 949   ACTIVITY_PUB,
 950   ACTIVITY_PUB_ACTOR_TYPES,
 951   THUMBNAILS_SIZE,
 952   VIDEO_CATEGORIES,
 953   MEMOIZE_LENGTH,
 954   VIDEO_LANGUAGES,
 955   VIDEO_PRIVACIES,
 956   VIDEO_LICENCES,
 957   VIDEO_STATES,
 958   QUEUE_CONCURRENCY,
 959   VIDEO_RATE_TYPES,
 960   JOB_PRIORITY,
 961   VIDEO_TRANSCODING_FPS,
 962   FFMPEG_NICE,
 963   ABUSE_STATES,
 964   LRU_CACHE,
 965   REQUEST_TIMEOUTS,
 966   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
 967   USER_PASSWORD_RESET_LIFETIME,
 968   USER_PASSWORD_CREATE_LIFETIME,
 969   MEMOIZE_TTL,
 970   USER_EMAIL_VERIFY_LIFETIME,
 971   OVERVIEWS,
 972   SCHEDULER_INTERVALS_MS,
 973   REPEAT_JOBS,
 974   STATIC_DOWNLOAD_PATHS,
 975   MIMETYPES,
 976   CRAWL_REQUEST_CONCURRENCY,
 977   DEFAULT_AUDIO_RESOLUTION,
 978   BINARY_CONTENT_TYPES,
 979   JOB_COMPLETED_LIFETIME,
 980   HTTP_SIGNATURE,
 981   VIDEO_IMPORT_STATES,
 982   VIEW_LIFETIME,
 983   CONTACT_FORM_LIFETIME,
 984   VIDEO_PLAYLIST_PRIVACIES,
 985   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
 986   ASSETS_PATH,
 987   FILES_CONTENT_HASH,
 988   loadLanguages,
 989   buildLanguages,
 990   generateContentHash
 991 }
 992
 993 // ---------------------------------------------------------------------------
 994
 995 function buildVideoMimetypeExt () {
 996   const data = {
 997     // streamable formats that warrant cross-browser compatibility
 998     'video/webm': '.webm',
 999     // We'll add .ogg if additional extensions are enabled
1000     // We could add .ogg here but since it could be an audio file,
1001     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1002     'video/ogg': [ '.ogv' ],
1003     'video/mp4': '.mp4'
1004   }
1005
1006   if (CONFIG.TRANSCODING.ENABLED) {
1007     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1008       data['video/ogg'].push('.ogg')
1009
1010       Object.assign(data, {
1011         'video/x-matroska': '.mkv',
1012
1013         // Developed by Apple
1014         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1015         'video/x-m4v': '.m4v',
1016         'video/m4v': '.m4v',
1017
1018         // Developed by the Adobe Flash Platform
1019         'video/x-flv': '.flv',
1020         'video/x-f4v': '.f4v', // replacement for flv
1021
1022         // Developed by Microsoft
1023         'video/x-ms-wmv': '.wmv',
1024         'video/x-msvideo': '.avi',
1025         'video/avi': '.avi',
1026
1027         // Developed by 3GPP
1028         // common video formats for cell phones
1029         'video/3gpp': [ '.3gp', '.3gpp' ],
1030         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1031
1032         // Developed by FFmpeg/Mplayer
1033         'application/x-nut': '.nut',
1034
1035         // The standard video format used by many Sony and Panasonic HD camcorders.
1036         // It is also used for storing high definition video on Blu-ray discs.
1037         'video/mp2t': '.mts',
1038         'video/vnd.dlna.mpeg-tts': '.mts',
1039
1040         'video/m2ts': '.m2ts',
1041
1042         // Old formats reliant on MPEG-1/MPEG-2
1043         'video/mpv': '.mpv',
1044         'video/mpeg2': '.m2v',
1045         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1046         'video/dvd': '.vob',
1047
1048         // Could be anything
1049         'application/octet-stream': null,
1050         'application/mxf': '.mxf' // often used as exchange format by editing software
1051       })
1052     }
1053
1054     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1055       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1056     }
1057   }
1058
1059   return data
1060 }
1061
1062 function updateWebserverUrls () {
1063   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1064   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1065   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1066
1067   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1068   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1069   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1070
1071   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1072   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1073
1074   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1075   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1076 }
1077
1078 function updateWebserverConfig () {
1079   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1080   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1081
1082   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1083
1084   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1085
1086   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1087 }
1088
1089 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1090   const result: { [id: string]: string } = {}
1091
1092   for (const mimetype of Object.keys(obj)) {
1093     const value = obj[mimetype]
1094     if (!value) continue
1095
1096     const extensions = Array.isArray(value) ? value : [ value ]
1097
1098     for (const extension of extensions) {
1099       result[extension] = mimetype
1100     }
1101   }
1102
1103   return result
1104 }
1105
1106 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1107   return Object.keys(obj)
1108     .map(m => `(${m})`)
1109     .join('|')
1110 }
1111
1112 function loadLanguages () {
1113   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1114 }
1115
1116 function buildLanguages () {
1117   const iso639 = require('iso-639-3')
1118
1119   const languages: { [id: string]: string } = {}
1120
1121   const additionalLanguages = {
1122     sgn: true, // Sign languages (macro language)
1123     ase: true, // American sign language
1124     sdl: true, // Arabian sign language
1125     bfi: true, // British sign language
1126     bzs: true, // Brazilian sign language
1127     csl: true, // Chinese sign language
1128     cse: true, // Czech sign language
1129     dsl: true, // Danish sign language
1130     fsl: true, // French sign language
1131     gsg: true, // German sign language
1132     pks: true, // Pakistan sign language
1133     jsl: true, // Japanese sign language
1134     sfs: true, // South African sign language
1135     swl: true, // Swedish sign language
1136     rsl: true, // Russian sign language
1137
1138     kab: true, // Kabyle
1139
1140     lat: true, // Latin
1141
1142     epo: true, // Esperanto
1143     tlh: true, // Klingon
1144     jbo: true, // Lojban
1145     avk: true, // Kotava
1146
1147     zxx: true // No linguistic content (ISO-639-2)
1148   }
1149
1150   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1151   iso639
1152     .filter(l => {
1153       return (l.iso6391 !== undefined && l.type === 'living') ||
1154         additionalLanguages[l.iso6393] === true
1155     })
1156     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1157
1158   // Override Occitan label
1159   languages['oc'] = 'Occitan'
1160   languages['el'] = 'Greek'
1161
1162   // Chinese languages
1163   languages['zh-Hans'] = 'Simplified Chinese'
1164   languages['zh-Hant'] = 'Traditional Chinese'
1165
1166   return languages
1167 }
1168
1169 function generateContentHash () {
1170   return randomBytes(20).toString('hex')
1171 }