server/initializers/constants.ts

   1 import { RepeatOptions } from 'bullmq'
   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   VideoChannelSyncState,
  10   VideoImportState,
  11   VideoPrivacy,
  12   VideoRateType,
  13   VideoResolution,
  14   VideoState,
  15   VideoTranscodingFPS
  16 } from '../../shared/models'
  17 import { ActivityPubActorType } from '../../shared/models/activitypub'
  18 import { ActorImageType, FollowState } from '../../shared/models/actors'
  19 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
  20 import { VideoPlaylistPrivacy } from '../../shared/models/videos/playlist/video-playlist-privacy.model'
  21 import { VideoPlaylistType } from '../../shared/models/videos/playlist/video-playlist-type.model'
  22 // Do not use barrels, remain constants as independent as possible
  23 import { isTestInstance, isTestOrDevInstance, parseDurationToMs, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
  24 import { CONFIG, registerConfigChangedHandler } from './config'
  25
  26 // ---------------------------------------------------------------------------
  27
  28 const LAST_MIGRATION_VERSION = 735
  29
  30 // ---------------------------------------------------------------------------
  31
  32 const API_VERSION = 'v1'
  33 const PEERTUBE_VERSION: string = require(join(root(), 'package.json')).version
  34
  35 const PAGINATION = {
  36   GLOBAL: {
  37     COUNT: {
  38       DEFAULT: 15,
  39       MAX: 100
  40     }
  41   },
  42   OUTBOX: {
  43     COUNT: {
  44       MAX: 50
  45     }
  46   }
  47 }
  48
  49 const WEBSERVER = {
  50   URL: '',
  51   HOST: '',
  52   SCHEME: '',
  53   WS: '',
  54   HOSTNAME: '',
  55   PORT: 0,
  56   RTMP_URL: '',
  57   RTMPS_URL: ''
  58 }
  59
  60 // Sortable columns per schema
  61 const SORTABLE_COLUMNS = {
  62   ADMIN_USERS: [ 'id', 'username', 'videoQuotaUsed', 'createdAt', 'lastLoginDate', 'role' ],
  63   USER_SUBSCRIPTIONS: [ 'id', 'createdAt' ],
  64   ACCOUNTS: [ 'createdAt' ],
  65   JOBS: [ 'createdAt' ],
  66   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  67   VIDEO_IMPORTS: [ 'createdAt' ],
  68   VIDEO_CHANNEL_SYNCS: [ 'externalChannelUrl', 'videoChannel', 'createdAt', 'lastSyncAt', 'state' ],
  69
  70   VIDEO_COMMENT_THREADS: [ 'createdAt', 'totalReplies' ],
  71   VIDEO_COMMENTS: [ 'createdAt' ],
  72
  73   VIDEO_RATES: [ 'createdAt' ],
  74   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  75
  76   INSTANCE_FOLLOWERS: [ 'createdAt', 'state', 'score' ],
  77   INSTANCE_FOLLOWING: [ 'createdAt', 'redundancyAllowed', 'state' ],
  78   ACCOUNT_FOLLOWERS: [ 'createdAt' ],
  79   CHANNEL_FOLLOWERS: [ 'createdAt' ],
  80
  81   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'trending', 'hot', 'best' ],
  82
  83   // Don't forget to update peertube-search-index with the same values
  84   VIDEOS_SEARCH: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'match' ],
  85   VIDEO_CHANNELS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  86   VIDEO_PLAYLISTS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  87
  88   ABUSES: [ 'id', 'createdAt', 'state' ],
  89
  90   ACCOUNTS_BLOCKLIST: [ 'createdAt' ],
  91   SERVERS_BLOCKLIST: [ 'createdAt' ],
  92
  93   USER_NOTIFICATIONS: [ 'createdAt', 'read' ],
  94
  95   VIDEO_PLAYLISTS: [ 'name', 'displayName', 'createdAt', 'updatedAt' ],
  96
  97   PLUGINS: [ 'name', 'createdAt', 'updatedAt' ],
  98
  99   AVAILABLE_PLUGINS: [ 'npmName', 'popularity' ],
 100
 101   VIDEO_REDUNDANCIES: [ 'name' ]
 102 }
 103
 104 const OAUTH_LIFETIME = {
 105   ACCESS_TOKEN: 3600 * 24, // 1 day, for upload
 106   REFRESH_TOKEN: 1209600 // 2 weeks
 107 }
 108
 109 const ROUTE_CACHE_LIFETIME = {
 110   FEEDS: '15 minutes',
 111   ROBOTS: '2 hours',
 112   SITEMAP: '1 day',
 113   SECURITYTXT: '2 hours',
 114   NODEINFO: '10 minutes',
 115   DNT_POLICY: '1 week',
 116   ACTIVITY_PUB: {
 117     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
 118   },
 119   STATS: '4 hours'
 120 }
 121
 122 // ---------------------------------------------------------------------------
 123
 124 // Number of points we add/remove after a successful/bad request
 125 const ACTOR_FOLLOW_SCORE = {
 126   PENALTY: -10,
 127   BONUS: 10,
 128   BASE: 1000,
 129   MAX: 10000
 130 }
 131
 132 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
 133   PENDING: 'pending',
 134   ACCEPTED: 'accepted',
 135   REJECTED: 'rejected'
 136 }
 137
 138 const REMOTE_SCHEME = {
 139   HTTP: 'https',
 140   WS: 'wss'
 141 }
 142
 143 const JOB_ATTEMPTS: { [id in JobType]: number } = {
 144   'activitypub-http-broadcast': 1,
 145   'activitypub-http-broadcast-parallel': 1,
 146   'activitypub-http-unicast': 1,
 147   'activitypub-http-fetcher': 2,
 148   'activitypub-follow': 5,
 149   'activitypub-cleaner': 1,
 150   'video-file-import': 1,
 151   'video-transcoding': 1,
 152   'video-import': 1,
 153   'email': 5,
 154   'actor-keys': 3,
 155   'videos-views-stats': 1,
 156   'activitypub-refresher': 1,
 157   'video-redundancy': 1,
 158   'video-live-ending': 1,
 159   'video-studio-edition': 1,
 160   'manage-video-torrent': 1,
 161   'video-channel-import': 1,
 162   'after-video-channel-import': 1,
 163   'move-to-object-storage': 3,
 164   'notify': 1,
 165   'federate-video': 1
 166 }
 167 // Excluded keys are jobs that can be configured by admins
 168 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 169   'activitypub-http-broadcast': 1,
 170   'activitypub-http-broadcast-parallel': 30,
 171   'activitypub-http-unicast': 10,
 172   'activitypub-http-fetcher': 3,
 173   'activitypub-cleaner': 1,
 174   'activitypub-follow': 1,
 175   'video-file-import': 1,
 176   'email': 5,
 177   'actor-keys': 1,
 178   'videos-views-stats': 1,
 179   'activitypub-refresher': 1,
 180   'video-redundancy': 1,
 181   'video-live-ending': 10,
 182   'video-studio-edition': 1,
 183   'manage-video-torrent': 1,
 184   'move-to-object-storage': 1,
 185   'video-channel-import': 1,
 186   'after-video-channel-import': 1,
 187   'notify': 5,
 188   'federate-video': 3
 189 }
 190 const JOB_TTL: { [id in JobType]: number } = {
 191   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 192   'activitypub-http-broadcast-parallel': 60000 * 10, // 10 minutes
 193   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 194   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 195   'activitypub-follow': 60000 * 10, // 10 minutes
 196   'activitypub-cleaner': 1000 * 3600, // 1 hour
 197   'video-file-import': 1000 * 3600, // 1 hour
 198   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 199   'video-studio-edition': 1000 * 3600 * 10, // 10 hours
 200   'video-import': CONFIG.IMPORT.VIDEOS.TIMEOUT,
 201   'email': 60000 * 10, // 10 minutes
 202   'actor-keys': 60000 * 20, // 20 minutes
 203   'videos-views-stats': undefined, // Unlimited
 204   'activitypub-refresher': 60000 * 10, // 10 minutes
 205   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 206   'video-live-ending': 1000 * 60 * 10, // 10 minutes
 207   'manage-video-torrent': 1000 * 3600 * 3, // 3 hours
 208   'move-to-object-storage': 1000 * 60 * 60 * 3, // 3 hours
 209   'video-channel-import': 1000 * 60 * 60 * 4, // 4 hours
 210   'after-video-channel-import': 60000 * 5, // 5 minutes
 211   'notify': 60000 * 5, // 5 minutes
 212   'federate-video': 60000 * 5 // 5 minutes
 213 }
 214 const REPEAT_JOBS: { [ id in JobType ]?: RepeatOptions } = {
 215   'videos-views-stats': {
 216     cron: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 217   },
 218   'activitypub-cleaner': {
 219     cron: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 220   }
 221 }
 222 const JOB_PRIORITY = {
 223   TRANSCODING: 100
 224 }
 225
 226 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 227 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 228
 229 const AP_CLEANER = {
 230   CONCURRENCY: 10, // How many requests in parallel we do in activitypub-cleaner job
 231   UNAVAILABLE_TRESHOLD: 3, // How many attempts we do before removing an unavailable remote resource
 232   PERIOD: parseDurationToMs('1 week') // /!\ Has to be sync with REPEAT_JOBS
 233 }
 234
 235 const REQUEST_TIMEOUTS = {
 236   DEFAULT: 7000, // 7 seconds
 237   FILE: 30000, // 30 seconds
 238   REDUNDANCY: JOB_TTL['video-redundancy']
 239 }
 240
 241 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 242 const VIDEO_IMPORT_TIMEOUT = Math.floor(JOB_TTL['video-import'] * 0.9)
 243
 244 const SCHEDULER_INTERVALS_MS = {
 245   ACTOR_FOLLOW_SCORES: 60000 * 60, // 1 hour
 246   REMOVE_OLD_JOBS: 60000 * 60, // 1 hour
 247   UPDATE_VIDEOS: 60000, // 1 minute
 248   YOUTUBE_DL_UPDATE: 60000 * 60 * 24, // 1 day
 249   GEO_IP_UPDATE: 60000 * 60 * 24, // 1 day
 250   VIDEO_VIEWS_BUFFER_UPDATE: CONFIG.VIEWS.VIDEOS.LOCAL_BUFFER_UPDATE_INTERVAL,
 251   CHECK_PLUGINS: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 252   CHECK_PEERTUBE_VERSION: 60000 * 60 * 24, // 1 day
 253   AUTO_FOLLOW_INDEX_INSTANCES: 60000 * 60 * 24, // 1 day
 254   REMOVE_OLD_VIEWS: 60000 * 60 * 24, // 1 day
 255   REMOVE_OLD_HISTORY: 60000 * 60 * 24, // 1 day
 256   UPDATE_INBOX_STATS: 1000 * 60, // 1 minute
 257   REMOVE_DANGLING_RESUMABLE_UPLOADS: 60000 * 60, // 1 hour
 258   CHANNEL_SYNC_CHECK_INTERVAL: CONFIG.IMPORT.VIDEO_CHANNEL_SYNCHRONIZATION.CHECK_INTERVAL
 259 }
 260
 261 // ---------------------------------------------------------------------------
 262
 263 const CONSTRAINTS_FIELDS = {
 264   USERS: {
 265     NAME: { min: 1, max: 120 }, // Length
 266     DESCRIPTION: { min: 3, max: 1000 }, // Length
 267     USERNAME: { min: 1, max: 50 }, // Length
 268     PASSWORD: { min: 6, max: 255 }, // Length
 269     VIDEO_QUOTA: { min: -1 },
 270     VIDEO_QUOTA_DAILY: { min: -1 },
 271     VIDEO_LANGUAGES: { max: 500 }, // Array length
 272     BLOCKED_REASON: { min: 3, max: 250 } // Length
 273   },
 274   ABUSES: {
 275     REASON: { min: 2, max: 3000 }, // Length
 276     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 277   },
 278   ABUSE_MESSAGES: {
 279     MESSAGE: { min: 2, max: 3000 } // Length
 280   },
 281   VIDEO_BLACKLIST: {
 282     REASON: { min: 2, max: 300 } // Length
 283   },
 284   VIDEO_CHANNELS: {
 285     NAME: { min: 1, max: 120 }, // Length
 286     DESCRIPTION: { min: 3, max: 1000 }, // Length
 287     SUPPORT: { min: 3, max: 1000 }, // Length
 288     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 }, // Length
 289     URL: { min: 3, max: 2000 } // Length
 290   },
 291   VIDEO_CHANNEL_SYNCS: {
 292     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 } // Length
 293   },
 294   VIDEO_CAPTIONS: {
 295     CAPTION_FILE: {
 296       EXTNAME: [ '.vtt', '.srt' ],
 297       FILE_SIZE: {
 298         max: 20 * 1024 * 1024 // 20MB
 299       }
 300     }
 301   },
 302   VIDEO_IMPORTS: {
 303     URL: { min: 3, max: 2000 }, // Length
 304     TORRENT_NAME: { min: 3, max: 255 }, // Length
 305     TORRENT_FILE: {
 306       EXTNAME: [ '.torrent' ],
 307       FILE_SIZE: {
 308         max: 1024 * 200 // 200 KB
 309       }
 310     }
 311   },
 312   VIDEOS_REDUNDANCY: {
 313     URL: { min: 3, max: 2000 } // Length
 314   },
 315   VIDEO_RATES: {
 316     URL: { min: 3, max: 2000 } // Length
 317   },
 318   VIDEOS: {
 319     NAME: { min: 3, max: 120 }, // Length
 320     LANGUAGE: { min: 1, max: 10 }, // Length
 321     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 322     DESCRIPTION: { min: 3, max: 10000 }, // Length
 323     SUPPORT: { min: 3, max: 1000 }, // Length
 324     IMAGE: {
 325       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 326       FILE_SIZE: {
 327         max: 4 * 1024 * 1024 // 4MB
 328       }
 329     },
 330     EXTNAME: [] as string[],
 331     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 332     DURATION: { min: 0 }, // Number
 333     TAGS: { min: 0, max: 5 }, // Number of total tags
 334     TAG: { min: 2, max: 30 }, // Length
 335     VIEWS: { min: 0 },
 336     LIKES: { min: 0 },
 337     DISLIKES: { min: 0 },
 338     FILE_SIZE: { min: -1 },
 339     PARTIAL_UPLOAD_SIZE: { max: 50 * 1024 * 1024 * 1024 }, // 50GB
 340     URL: { min: 3, max: 2000 } // Length
 341   },
 342   VIDEO_PLAYLISTS: {
 343     NAME: { min: 1, max: 120 }, // Length
 344     DESCRIPTION: { min: 3, max: 1000 }, // Length
 345     URL: { min: 3, max: 2000 }, // Length
 346     IMAGE: {
 347       EXTNAME: [ '.jpg', '.jpeg' ],
 348       FILE_SIZE: {
 349         max: 4 * 1024 * 1024 // 4MB
 350       }
 351     }
 352   },
 353   ACTORS: {
 354     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 355     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 356     URL: { min: 3, max: 2000 }, // Length
 357     IMAGE: {
 358       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 359       FILE_SIZE: {
 360         max: 4 * 1024 * 1024 // 4MB
 361       }
 362     }
 363   },
 364   VIDEO_EVENTS: {
 365     COUNT: { min: 0 }
 366   },
 367   VIDEO_COMMENTS: {
 368     TEXT: { min: 1, max: 10000 }, // Length
 369     URL: { min: 3, max: 2000 } // Length
 370   },
 371   VIDEO_SHARE: {
 372     URL: { min: 3, max: 2000 } // Length
 373   },
 374   CONTACT_FORM: {
 375     FROM_NAME: { min: 1, max: 120 }, // Length
 376     BODY: { min: 3, max: 5000 } // Length
 377   },
 378   PLUGINS: {
 379     NAME: { min: 1, max: 214 }, // Length
 380     DESCRIPTION: { min: 1, max: 20000 } // Length
 381   },
 382   COMMONS: {
 383     URL: { min: 5, max: 2000 } // Length
 384   },
 385   VIDEO_STUDIO: {
 386     TASKS: { min: 1, max: 10 }, // Number of tasks
 387     CUT_TIME: { min: 0 } // Value
 388   },
 389   LOGS: {
 390     CLIENT_MESSAGE: { min: 1, max: 1000 }, // Length
 391     CLIENT_STACK_TRACE: { min: 1, max: 15000 }, // Length
 392     CLIENT_META: { min: 1, max: 5000 }, // Length
 393     CLIENT_USER_AGENT: { min: 1, max: 200 } // Length
 394   }
 395 }
 396
 397 const VIEW_LIFETIME = {
 398   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 399   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 400   VIEWER_STATS: 60000 * 60 // 1 hour
 401 }
 402
 403 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 404
 405 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 406
 407 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 408   MIN: 1,
 409   STANDARD: [ 24, 25, 30 ],
 410   HD_STANDARD: [ 50, 60 ],
 411   AUDIO_MERGE: 25,
 412   AVERAGE: 30,
 413   MAX: 60,
 414   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 415 }
 416
 417 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 418
 419 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 420   LIKE: 'like',
 421   DISLIKE: 'dislike'
 422 }
 423
 424 const FFMPEG_NICE: { [ id: string ]: number } = {
 425   // parent process defaults to niceness = 0
 426   // reminder: lower = higher priority, max value is 19, lowest is -20
 427   LIVE: 5, // prioritize over VOD and THUMBNAIL
 428   THUMBNAIL: 10,
 429   VOD: 15
 430 }
 431
 432 const VIDEO_CATEGORIES = {
 433   1: 'Music',
 434   2: 'Films',
 435   3: 'Vehicles',
 436   4: 'Art',
 437   5: 'Sports',
 438   6: 'Travels',
 439   7: 'Gaming',
 440   8: 'People',
 441   9: 'Comedy',
 442   10: 'Entertainment',
 443   11: 'News & Politics',
 444   12: 'How To',
 445   13: 'Education',
 446   14: 'Activism',
 447   15: 'Science & Technology',
 448   16: 'Animals',
 449   17: 'Kids',
 450   18: 'Food'
 451 }
 452
 453 // See https://creativecommons.org/licenses/?lang=en
 454 const VIDEO_LICENCES = {
 455   1: 'Attribution',
 456   2: 'Attribution - Share Alike',
 457   3: 'Attribution - No Derivatives',
 458   4: 'Attribution - Non Commercial',
 459   5: 'Attribution - Non Commercial - Share Alike',
 460   6: 'Attribution - Non Commercial - No Derivatives',
 461   7: 'Public Domain Dedication'
 462 }
 463
 464 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 465
 466 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 467   [VideoPrivacy.PUBLIC]: 'Public',
 468   [VideoPrivacy.UNLISTED]: 'Unlisted',
 469   [VideoPrivacy.PRIVATE]: 'Private',
 470   [VideoPrivacy.INTERNAL]: 'Internal'
 471 }
 472
 473 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 474   [VideoState.PUBLISHED]: 'Published',
 475   [VideoState.TO_TRANSCODE]: 'To transcode',
 476   [VideoState.TO_IMPORT]: 'To import',
 477   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 478   [VideoState.LIVE_ENDED]: 'Livestream ended',
 479   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 480   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 481   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 482   [VideoState.TO_EDIT]: 'To edit*'
 483 }
 484
 485 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 486   [VideoImportState.FAILED]: 'Failed',
 487   [VideoImportState.PENDING]: 'Pending',
 488   [VideoImportState.SUCCESS]: 'Success',
 489   [VideoImportState.REJECTED]: 'Rejected',
 490   [VideoImportState.CANCELLED]: 'Cancelled',
 491   [VideoImportState.PROCESSING]: 'Processing'
 492 }
 493
 494 const VIDEO_CHANNEL_SYNC_STATE: { [ id in VideoChannelSyncState ]: string } = {
 495   [VideoChannelSyncState.FAILED]: 'Failed',
 496   [VideoChannelSyncState.SYNCED]: 'Synchronized',
 497   [VideoChannelSyncState.PROCESSING]: 'Processing',
 498   [VideoChannelSyncState.WAITING_FIRST_RUN]: 'Waiting first run'
 499 }
 500
 501 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 502   [AbuseState.PENDING]: 'Pending',
 503   [AbuseState.REJECTED]: 'Rejected',
 504   [AbuseState.ACCEPTED]: 'Accepted'
 505 }
 506
 507 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 508   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 509   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 510   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 511 }
 512
 513 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 514   [VideoPlaylistType.REGULAR]: 'Regular',
 515   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 516 }
 517
 518 const MIMETYPES = {
 519   AUDIO: {
 520     MIMETYPE_EXT: {
 521       'audio/mpeg': '.mp3',
 522       'audio/mp3': '.mp3',
 523
 524       'application/ogg': '.ogg',
 525       'audio/ogg': '.ogg',
 526
 527       'audio/x-ms-wma': '.wma',
 528       'audio/wav': '.wav',
 529       'audio/x-wav': '.wav',
 530
 531       'audio/x-flac': '.flac',
 532       'audio/flac': '.flac',
 533
 534       'audio/vnd.dlna.adts': '.aac',
 535       'audio/aac': '.aac',
 536
 537       'audio/m4a': '.m4a',
 538       'audio/mp4': '.m4a',
 539       'audio/x-m4a': '.m4a',
 540
 541       'audio/vnd.dolby.dd-raw': '.ac3',
 542       'audio/ac3': '.ac3'
 543     },
 544     EXT_MIMETYPE: null as { [ id: string ]: string }
 545   },
 546   VIDEO: {
 547     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 548     MIMETYPES_REGEX: null as string,
 549     EXT_MIMETYPE: null as { [ id: string ]: string }
 550   },
 551   IMAGE: {
 552     MIMETYPE_EXT: {
 553       'image/png': '.png',
 554       'image/gif': '.gif',
 555       'image/webp': '.webp',
 556       'image/jpg': '.jpg',
 557       'image/jpeg': '.jpg'
 558     },
 559     EXT_MIMETYPE: null as { [ id: string ]: string }
 560   },
 561   VIDEO_CAPTIONS: {
 562     MIMETYPE_EXT: {
 563       'text/vtt': '.vtt',
 564       'application/x-subrip': '.srt',
 565       'text/plain': '.srt'
 566     }
 567   },
 568   TORRENT: {
 569     MIMETYPE_EXT: {
 570       'application/x-bittorrent': '.torrent'
 571     }
 572   }
 573 }
 574 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 575 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 576
 577 const BINARY_CONTENT_TYPES = new Set([
 578   'binary/octet-stream',
 579   'application/octet-stream',
 580   'application/x-binary'
 581 ])
 582
 583 // ---------------------------------------------------------------------------
 584
 585 const OVERVIEWS = {
 586   VIDEOS: {
 587     SAMPLE_THRESHOLD: 6,
 588     SAMPLES_COUNT: 20
 589   }
 590 }
 591
 592 // ---------------------------------------------------------------------------
 593
 594 const SERVER_ACTOR_NAME = 'peertube'
 595
 596 const ACTIVITY_PUB = {
 597   POTENTIAL_ACCEPT_HEADERS: [
 598     'application/activity+json',
 599     'application/ld+json',
 600     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 601   ],
 602   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 603   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 604   COLLECTION_ITEMS_PER_PAGE: 10,
 605   FETCH_PAGE_LIMIT: 2000,
 606   URL_MIME_TYPES: {
 607     VIDEO: [] as string[],
 608     TORRENT: [ 'application/x-bittorrent' ],
 609     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 610   },
 611   MAX_RECURSION_COMMENTS: 100,
 612   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 613   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 614   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 615 }
 616
 617 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 618   GROUP: 'Group',
 619   PERSON: 'Person',
 620   APPLICATION: 'Application',
 621   ORGANIZATION: 'Organization',
 622   SERVICE: 'Service'
 623 }
 624
 625 const HTTP_SIGNATURE = {
 626   HEADER_NAME: 'signature',
 627   ALGORITHM: 'rsa-sha256',
 628   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 629   CLOCK_SKEW_SECONDS: 1800
 630 }
 631
 632 // ---------------------------------------------------------------------------
 633
 634 let PRIVATE_RSA_KEY_SIZE = 2048
 635
 636 // Password encryption
 637 const BCRYPT_SALT_SIZE = 10
 638
 639 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 640 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 641
 642 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 643
 644 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 645   DO_NOT_LIST: 'do_not_list',
 646   BLUR: 'blur',
 647   DISPLAY: 'display'
 648 }
 649
 650 // ---------------------------------------------------------------------------
 651
 652 // Express static paths (router)
 653 const STATIC_PATHS = {
 654   THUMBNAILS: '/static/thumbnails/',
 655   WEBSEED: '/static/webseed/',
 656   REDUNDANCY: '/static/redundancy/',
 657   STREAMING_PLAYLISTS: {
 658     HLS: '/static/streaming-playlists/hls'
 659   }
 660 }
 661 const STATIC_DOWNLOAD_PATHS = {
 662   TORRENTS: '/download/torrents/',
 663   VIDEOS: '/download/videos/',
 664   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 665 }
 666 const LAZY_STATIC_PATHS = {
 667   BANNERS: '/lazy-static/banners/',
 668   AVATARS: '/lazy-static/avatars/',
 669   PREVIEWS: '/lazy-static/previews/',
 670   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 671   TORRENTS: '/lazy-static/torrents/'
 672 }
 673
 674 // Cache control
 675 const STATIC_MAX_AGE = {
 676   SERVER: '2h',
 677   LAZY_SERVER: '2d',
 678   CLIENT: '30d'
 679 }
 680
 681 // Videos thumbnail size
 682 const THUMBNAILS_SIZE = {
 683   width: 280,
 684   height: 157,
 685   minWidth: 150
 686 }
 687 const PREVIEWS_SIZE = {
 688   width: 850,
 689   height: 480,
 690   minWidth: 400
 691 }
 692 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[]} = {
 693   [ActorImageType.AVATAR]: [
 694     {
 695       width: 120,
 696       height: 120
 697     },
 698     {
 699       width: 48,
 700       height: 48
 701     }
 702   ],
 703   [ActorImageType.BANNER]: [
 704     {
 705       width: 1920,
 706       height: 317 // 6/1 ratio
 707     }
 708   ]
 709 }
 710
 711 const EMBED_SIZE = {
 712   width: 560,
 713   height: 315
 714 }
 715
 716 // Sub folders of cache directory
 717 const FILES_CACHE = {
 718   PREVIEWS: {
 719     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 720     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 721   },
 722   VIDEO_CAPTIONS: {
 723     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 724     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 725   },
 726   TORRENTS: {
 727     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 728     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 729   }
 730 }
 731
 732 const LRU_CACHE = {
 733   USER_TOKENS: {
 734     MAX_SIZE: 1000
 735   },
 736   ACTOR_IMAGE_STATIC: {
 737     MAX_SIZE: 500
 738   }
 739 }
 740
 741 const RESUMABLE_UPLOAD_DIRECTORY = join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads')
 742 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 743 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 744
 745 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 746
 747 const VIDEO_LIVE = {
 748   EXTENSION: '.ts',
 749   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 750   SEGMENT_TIME_SECONDS: {
 751     DEFAULT_LATENCY: 4, // 4 seconds
 752     SMALL_LATENCY: 2 // 2 seconds
 753   },
 754   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 755   REPLAY_DIRECTORY: 'replay',
 756   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 757   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 758   RTMP: {
 759     CHUNK_SIZE: 60000,
 760     GOP_CACHE: true,
 761     PING: 60,
 762     PING_TIMEOUT: 30,
 763     BASE_PATH: 'live'
 764   }
 765 }
 766
 767 const MEMOIZE_TTL = {
 768   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 769   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 770   VIDEO_DURATION: 1000 * 10, // 10 seconds
 771   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 772   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60, // 1 minute
 773   GET_STATS_FOR_OPEN_TELEMETRY_METRICS: 1000 * 60 // 1 minute
 774 }
 775
 776 const MEMOIZE_LENGTH = {
 777   INFO_HASH_EXISTS: 200,
 778   VIDEO_DURATION: 200
 779 }
 780
 781 const WORKER_THREADS = {
 782   DOWNLOAD_IMAGE: {
 783     CONCURRENCY: 3,
 784     MAX_THREADS: 1
 785   },
 786   PROCESS_IMAGE: {
 787     CONCURRENCY: 1,
 788     MAX_THREADS: 5
 789   }
 790 }
 791
 792 const REDUNDANCY = {
 793   VIDEOS: {
 794     RANDOMIZED_FACTOR: 5
 795   }
 796 }
 797
 798 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 799
 800 const ASSETS_PATH = {
 801   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 802   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 803 }
 804
 805 // ---------------------------------------------------------------------------
 806
 807 const CUSTOM_HTML_TAG_COMMENTS = {
 808   TITLE: '<!-- title tag -->',
 809   DESCRIPTION: '<!-- description tag -->',
 810   CUSTOM_CSS: '<!-- custom css tag -->',
 811   META_TAGS: '<!-- meta tags -->',
 812   SERVER_CONFIG: '<!-- server config -->'
 813 }
 814
 815 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 816 const LOG_FILENAME = 'peertube.log'
 817 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 818
 819 // ---------------------------------------------------------------------------
 820
 821 const TRACKER_RATE_LIMITS = {
 822   INTERVAL: 60000 * 5, // 5 minutes
 823   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 824   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 825   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 826 }
 827
 828 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 829
 830 // ---------------------------------------------------------------------------
 831
 832 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 833 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 834
 835 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 836
 837 const DEFAULT_THEME_NAME = 'default'
 838 const DEFAULT_USER_THEME_NAME = 'instance-default'
 839
 840 // ---------------------------------------------------------------------------
 841
 842 const SEARCH_INDEX = {
 843   ROUTES: {
 844     VIDEOS: '/api/v1/search/videos',
 845     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 846   }
 847 }
 848
 849 // ---------------------------------------------------------------------------
 850
 851 const STATS_TIMESERIE = {
 852   MAX_DAYS: 365 * 10 // Around 10 years
 853 }
 854
 855 // ---------------------------------------------------------------------------
 856
 857 // Special constants for a test instance
 858 if (process.env.PRODUCTION_CONSTANTS !== 'true') {
 859   if (isTestOrDevInstance()) {
 860     PRIVATE_RSA_KEY_SIZE = 1024
 861
 862     ACTOR_FOLLOW_SCORE.BASE = 20
 863
 864     REMOTE_SCHEME.HTTP = 'http'
 865     REMOTE_SCHEME.WS = 'ws'
 866
 867     STATIC_MAX_AGE.SERVER = '0'
 868
 869     SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 870     SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 871     SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 872     SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 873     SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 874     SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 875     SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 876     SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 877
 878     REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 879
 880     REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 881     AP_CLEANER.PERIOD = 5000
 882
 883     REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 884
 885     CONTACT_FORM_LIFETIME = 1000 // 1 second
 886
 887     JOB_ATTEMPTS['email'] = 1
 888
 889     FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 890     MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 891     MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 892     OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 893
 894     PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 895   }
 896
 897   if (isTestInstance()) {
 898     ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 899     ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 900     ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 901     ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 902
 903     CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 904     CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 905
 906     VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 907     VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 908
 909     VIDEO_LIVE.CLEANUP_DELAY = getIntEnv('PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY') ?? 5000
 910     VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 911     VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 912     VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 913   }
 914 }
 915
 916 updateWebserverUrls()
 917 updateWebserverConfig()
 918
 919 registerConfigChangedHandler(() => {
 920   updateWebserverUrls()
 921   updateWebserverConfig()
 922 })
 923
 924 // ---------------------------------------------------------------------------
 925
 926 const FILES_CONTENT_HASH = {
 927   MANIFEST: generateContentHash(),
 928   FAVICON: generateContentHash(),
 929   LOGO: generateContentHash()
 930 }
 931
 932 // ---------------------------------------------------------------------------
 933
 934 const VIDEO_FILTERS = {
 935   WATERMARK: {
 936     SIZE_RATIO: 1 / 10,
 937     HORIZONTAL_MARGIN_RATIO: 1 / 20,
 938     VERTICAL_MARGIN_RATIO: 1 / 20
 939   }
 940 }
 941
 942 // ---------------------------------------------------------------------------
 943
 944 export {
 945   WEBSERVER,
 946   API_VERSION,
 947   VIDEO_LIVE,
 948   PEERTUBE_VERSION,
 949   LAZY_STATIC_PATHS,
 950   SEARCH_INDEX,
 951   RESUMABLE_UPLOAD_DIRECTORY,
 952   RESUMABLE_UPLOAD_SESSION_LIFETIME,
 953   HLS_REDUNDANCY_DIRECTORY,
 954   P2P_MEDIA_LOADER_PEER_VERSION,
 955   ACTOR_IMAGES_SIZE,
 956   ACCEPT_HEADERS,
 957   BCRYPT_SALT_SIZE,
 958   TRACKER_RATE_LIMITS,
 959   FILES_CACHE,
 960   LOG_FILENAME,
 961   CONSTRAINTS_FIELDS,
 962   EMBED_SIZE,
 963   REDUNDANCY,
 964   JOB_CONCURRENCY,
 965   JOB_ATTEMPTS,
 966   AP_CLEANER,
 967   LAST_MIGRATION_VERSION,
 968   OAUTH_LIFETIME,
 969   CUSTOM_HTML_TAG_COMMENTS,
 970   STATS_TIMESERIE,
 971   BROADCAST_CONCURRENCY,
 972   AUDIT_LOG_FILENAME,
 973   PAGINATION,
 974   ACTOR_FOLLOW_SCORE,
 975   PREVIEWS_SIZE,
 976   REMOTE_SCHEME,
 977   FOLLOW_STATES,
 978   DEFAULT_USER_THEME_NAME,
 979   SERVER_ACTOR_NAME,
 980   PLUGIN_GLOBAL_CSS_FILE_NAME,
 981   PLUGIN_GLOBAL_CSS_PATH,
 982   PRIVATE_RSA_KEY_SIZE,
 983   VIDEO_FILTERS,
 984   ROUTE_CACHE_LIFETIME,
 985   SORTABLE_COLUMNS,
 986   HLS_STREAMING_PLAYLIST_DIRECTORY,
 987   JOB_TTL,
 988   DEFAULT_THEME_NAME,
 989   NSFW_POLICY_TYPES,
 990   STATIC_MAX_AGE,
 991   STATIC_PATHS,
 992   VIDEO_IMPORT_TIMEOUT,
 993   VIDEO_PLAYLIST_TYPES,
 994   MAX_LOGS_OUTPUT_CHARACTERS,
 995   ACTIVITY_PUB,
 996   ACTIVITY_PUB_ACTOR_TYPES,
 997   THUMBNAILS_SIZE,
 998   VIDEO_CATEGORIES,
 999   MEMOIZE_LENGTH,
1000   VIDEO_LANGUAGES,
1001   VIDEO_PRIVACIES,
1002   VIDEO_LICENCES,
1003   VIDEO_STATES,
1004   WORKER_THREADS,
1005   VIDEO_RATE_TYPES,
1006   JOB_PRIORITY,
1007   VIDEO_TRANSCODING_FPS,
1008   FFMPEG_NICE,
1009   ABUSE_STATES,
1010   LRU_CACHE,
1011   REQUEST_TIMEOUTS,
1012   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
1013   USER_PASSWORD_RESET_LIFETIME,
1014   USER_PASSWORD_CREATE_LIFETIME,
1015   MEMOIZE_TTL,
1016   USER_EMAIL_VERIFY_LIFETIME,
1017   OVERVIEWS,
1018   SCHEDULER_INTERVALS_MS,
1019   REPEAT_JOBS,
1020   STATIC_DOWNLOAD_PATHS,
1021   MIMETYPES,
1022   CRAWL_REQUEST_CONCURRENCY,
1023   DEFAULT_AUDIO_RESOLUTION,
1024   BINARY_CONTENT_TYPES,
1025   JOB_COMPLETED_LIFETIME,
1026   HTTP_SIGNATURE,
1027   VIDEO_IMPORT_STATES,
1028   VIDEO_CHANNEL_SYNC_STATE,
1029   VIEW_LIFETIME,
1030   CONTACT_FORM_LIFETIME,
1031   VIDEO_PLAYLIST_PRIVACIES,
1032   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
1033   ASSETS_PATH,
1034   FILES_CONTENT_HASH,
1035   loadLanguages,
1036   buildLanguages,
1037   generateContentHash
1038 }
1039
1040 // ---------------------------------------------------------------------------
1041
1042 function buildVideoMimetypeExt () {
1043   const data = {
1044     // streamable formats that warrant cross-browser compatibility
1045     'video/webm': '.webm',
1046     // We'll add .ogg if additional extensions are enabled
1047     // We could add .ogg here but since it could be an audio file,
1048     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1049     'video/ogg': [ '.ogv' ],
1050     'video/mp4': '.mp4'
1051   }
1052
1053   if (CONFIG.TRANSCODING.ENABLED) {
1054     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1055       data['video/ogg'].push('.ogg')
1056
1057       Object.assign(data, {
1058         'video/x-matroska': '.mkv',
1059
1060         // Developed by Apple
1061         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1062         'video/x-m4v': '.m4v',
1063         'video/m4v': '.m4v',
1064
1065         // Developed by the Adobe Flash Platform
1066         'video/x-flv': '.flv',
1067         'video/x-f4v': '.f4v', // replacement for flv
1068
1069         // Developed by Microsoft
1070         'video/x-ms-wmv': '.wmv',
1071         'video/x-msvideo': '.avi',
1072         'video/avi': '.avi',
1073
1074         // Developed by 3GPP
1075         // common video formats for cell phones
1076         'video/3gpp': [ '.3gp', '.3gpp' ],
1077         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1078
1079         // Developed by FFmpeg/Mplayer
1080         'application/x-nut': '.nut',
1081
1082         // The standard video format used by many Sony and Panasonic HD camcorders.
1083         // It is also used for storing high definition video on Blu-ray discs.
1084         'video/mp2t': '.mts',
1085         'video/vnd.dlna.mpeg-tts': '.mts',
1086
1087         'video/m2ts': '.m2ts',
1088
1089         // Old formats reliant on MPEG-1/MPEG-2
1090         'video/mpv': '.mpv',
1091         'video/mpeg2': '.m2v',
1092         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1093         'video/dvd': '.vob',
1094
1095         // Could be anything
1096         'application/octet-stream': null,
1097         'application/mxf': '.mxf' // often used as exchange format by editing software
1098       })
1099     }
1100
1101     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1102       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1103     }
1104   }
1105
1106   return data
1107 }
1108
1109 function updateWebserverUrls () {
1110   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1111   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1112   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1113
1114   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1115   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1116   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1117
1118   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1119   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1120
1121   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1122   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1123 }
1124
1125 function updateWebserverConfig () {
1126   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1127   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1128
1129   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1130
1131   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1132
1133   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1134 }
1135
1136 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1137   const result: { [id: string]: string } = {}
1138
1139   for (const mimetype of Object.keys(obj)) {
1140     const value = obj[mimetype]
1141     if (!value) continue
1142
1143     const extensions = Array.isArray(value) ? value : [ value ]
1144
1145     for (const extension of extensions) {
1146       result[extension] = mimetype
1147     }
1148   }
1149
1150   return result
1151 }
1152
1153 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1154   return Object.keys(obj)
1155     .map(m => `(${m})`)
1156     .join('|')
1157 }
1158
1159 function loadLanguages () {
1160   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1161 }
1162
1163 function buildLanguages () {
1164   const iso639 = require('iso-639-3')
1165
1166   const languages: { [id: string]: string } = {}
1167
1168   const additionalLanguages = {
1169     sgn: true, // Sign languages (macro language)
1170     ase: true, // American sign language
1171     sdl: true, // Arabian sign language
1172     bfi: true, // British sign language
1173     bzs: true, // Brazilian sign language
1174     csl: true, // Chinese sign language
1175     cse: true, // Czech sign language
1176     dsl: true, // Danish sign language
1177     fsl: true, // French sign language
1178     gsg: true, // German sign language
1179     pks: true, // Pakistan sign language
1180     jsl: true, // Japanese sign language
1181     sfs: true, // South African sign language
1182     swl: true, // Swedish sign language
1183     rsl: true, // Russian sign language
1184
1185     kab: true, // Kabyle
1186
1187     lat: true, // Latin
1188
1189     epo: true, // Esperanto
1190     tlh: true, // Klingon
1191     jbo: true, // Lojban
1192     avk: true, // Kotava
1193
1194     zxx: true // No linguistic content (ISO-639-2)
1195   }
1196
1197   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1198   iso639
1199     .filter(l => {
1200       return (l.iso6391 !== undefined && l.type === 'living') ||
1201         additionalLanguages[l.iso6393] === true
1202     })
1203     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1204
1205   // Override Occitan label
1206   languages['oc'] = 'Occitan'
1207   languages['el'] = 'Greek'
1208   languages['tok'] = 'Toki Pona'
1209
1210   // Chinese languages
1211   languages['zh-Hans'] = 'Simplified Chinese'
1212   languages['zh-Hant'] = 'Traditional Chinese'
1213
1214   return languages
1215 }
1216
1217 function generateContentHash () {
1218   return randomBytes(20).toString('hex')
1219 }
1220
1221 function getIntEnv (path: string) {
1222   if (process.env[path]) return parseInt(process.env[path])
1223
1224   return undefined
1225 }