server/initializers/constants.ts

   1 import { RepeatOptions } from 'bullmq'
   2 import { Encoding, 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 = 745
  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   WELL_KNOWN: '1 day'
 121 }
 122
 123 // ---------------------------------------------------------------------------
 124
 125 // Number of points we add/remove after a successful/bad request
 126 const ACTOR_FOLLOW_SCORE = {
 127   PENALTY: -10,
 128   BONUS: 10,
 129   BASE: 1000,
 130   MAX: 10000
 131 }
 132
 133 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
 134   PENDING: 'pending',
 135   ACCEPTED: 'accepted',
 136   REJECTED: 'rejected'
 137 }
 138
 139 const REMOTE_SCHEME = {
 140   HTTP: 'https',
 141   WS: 'wss'
 142 }
 143
 144 const JOB_ATTEMPTS: { [id in JobType]: number } = {
 145   'activitypub-http-broadcast': 1,
 146   'activitypub-http-broadcast-parallel': 1,
 147   'activitypub-http-unicast': 1,
 148   'activitypub-http-fetcher': 2,
 149   'activitypub-follow': 5,
 150   'activitypub-cleaner': 1,
 151   'video-file-import': 1,
 152   'video-transcoding': 1,
 153   'video-import': 1,
 154   'email': 5,
 155   'actor-keys': 3,
 156   'videos-views-stats': 1,
 157   'activitypub-refresher': 1,
 158   'video-redundancy': 1,
 159   'video-live-ending': 1,
 160   'video-studio-edition': 1,
 161   'manage-video-torrent': 1,
 162   'video-channel-import': 1,
 163   'after-video-channel-import': 1,
 164   'move-to-object-storage': 3,
 165   'notify': 1,
 166   'federate-video': 1
 167 }
 168 // Excluded keys are jobs that can be configured by admins
 169 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 170   'activitypub-http-broadcast': 1,
 171   'activitypub-http-broadcast-parallel': 30,
 172   'activitypub-http-unicast': 10,
 173   'activitypub-http-fetcher': 3,
 174   'activitypub-cleaner': 1,
 175   'activitypub-follow': 1,
 176   'video-file-import': 1,
 177   'email': 5,
 178   'actor-keys': 1,
 179   'videos-views-stats': 1,
 180   'activitypub-refresher': 1,
 181   'video-redundancy': 1,
 182   'video-live-ending': 10,
 183   'video-studio-edition': 1,
 184   'manage-video-torrent': 1,
 185   'move-to-object-storage': 1,
 186   'video-channel-import': 1,
 187   'after-video-channel-import': 1,
 188   'notify': 5,
 189   'federate-video': 3
 190 }
 191 const JOB_TTL: { [id in JobType]: number } = {
 192   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 193   'activitypub-http-broadcast-parallel': 60000 * 10, // 10 minutes
 194   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 195   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 196   'activitypub-follow': 60000 * 10, // 10 minutes
 197   'activitypub-cleaner': 1000 * 3600, // 1 hour
 198   'video-file-import': 1000 * 3600, // 1 hour
 199   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 200   'video-studio-edition': 1000 * 3600 * 10, // 10 hours
 201   'video-import': CONFIG.IMPORT.VIDEOS.TIMEOUT,
 202   'email': 60000 * 10, // 10 minutes
 203   'actor-keys': 60000 * 20, // 20 minutes
 204   'videos-views-stats': undefined, // Unlimited
 205   'activitypub-refresher': 60000 * 10, // 10 minutes
 206   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 207   'video-live-ending': 1000 * 60 * 10, // 10 minutes
 208   'manage-video-torrent': 1000 * 3600 * 3, // 3 hours
 209   'move-to-object-storage': 1000 * 60 * 60 * 3, // 3 hours
 210   'video-channel-import': 1000 * 60 * 60 * 4, // 4 hours
 211   'after-video-channel-import': 60000 * 5, // 5 minutes
 212   'notify': 60000 * 5, // 5 minutes
 213   'federate-video': 60000 * 5 // 5 minutes
 214 }
 215 const REPEAT_JOBS: { [ id in JobType ]?: RepeatOptions } = {
 216   'videos-views-stats': {
 217     cron: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 218   },
 219   'activitypub-cleaner': {
 220     cron: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 221   }
 222 }
 223 const JOB_PRIORITY = {
 224   TRANSCODING: 100
 225 }
 226
 227 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 228 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 229
 230 const AP_CLEANER = {
 231   CONCURRENCY: 10, // How many requests in parallel we do in activitypub-cleaner job
 232   UNAVAILABLE_TRESHOLD: 3, // How many attempts we do before removing an unavailable remote resource
 233   PERIOD: parseDurationToMs('1 week') // /!\ Has to be sync with REPEAT_JOBS
 234 }
 235
 236 const REQUEST_TIMEOUTS = {
 237   DEFAULT: 7000, // 7 seconds
 238   FILE: 30000, // 30 seconds
 239   REDUNDANCY: JOB_TTL['video-redundancy']
 240 }
 241
 242 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 243 const VIDEO_IMPORT_TIMEOUT = Math.floor(JOB_TTL['video-import'] * 0.9)
 244
 245 const SCHEDULER_INTERVALS_MS = {
 246   ACTOR_FOLLOW_SCORES: 60000 * 60, // 1 hour
 247   REMOVE_OLD_JOBS: 60000 * 60, // 1 hour
 248   UPDATE_VIDEOS: 60000, // 1 minute
 249   YOUTUBE_DL_UPDATE: 60000 * 60 * 24, // 1 day
 250   GEO_IP_UPDATE: 60000 * 60 * 24, // 1 day
 251   VIDEO_VIEWS_BUFFER_UPDATE: CONFIG.VIEWS.VIDEOS.LOCAL_BUFFER_UPDATE_INTERVAL,
 252   CHECK_PLUGINS: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 253   CHECK_PEERTUBE_VERSION: 60000 * 60 * 24, // 1 day
 254   AUTO_FOLLOW_INDEX_INSTANCES: 60000 * 60 * 24, // 1 day
 255   REMOVE_OLD_VIEWS: 60000 * 60 * 24, // 1 day
 256   REMOVE_OLD_HISTORY: 60000 * 60 * 24, // 1 day
 257   UPDATE_INBOX_STATS: 1000 * 60, // 1 minute
 258   REMOVE_DANGLING_RESUMABLE_UPLOADS: 60000 * 60, // 1 hour
 259   CHANNEL_SYNC_CHECK_INTERVAL: CONFIG.IMPORT.VIDEO_CHANNEL_SYNCHRONIZATION.CHECK_INTERVAL
 260 }
 261
 262 // ---------------------------------------------------------------------------
 263
 264 const CONSTRAINTS_FIELDS = {
 265   USERS: {
 266     NAME: { min: 1, max: 120 }, // Length
 267     DESCRIPTION: { min: 3, max: 1000 }, // Length
 268     USERNAME: { min: 1, max: 50 }, // Length
 269     PASSWORD: { min: 6, max: 255 }, // Length
 270     VIDEO_QUOTA: { min: -1 },
 271     VIDEO_QUOTA_DAILY: { min: -1 },
 272     VIDEO_LANGUAGES: { max: 500 }, // Array length
 273     BLOCKED_REASON: { min: 3, max: 250 } // Length
 274   },
 275   ABUSES: {
 276     REASON: { min: 2, max: 3000 }, // Length
 277     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 278   },
 279   ABUSE_MESSAGES: {
 280     MESSAGE: { min: 2, max: 3000 } // Length
 281   },
 282   VIDEO_BLACKLIST: {
 283     REASON: { min: 2, max: 300 } // Length
 284   },
 285   VIDEO_CHANNELS: {
 286     NAME: { min: 1, max: 120 }, // Length
 287     DESCRIPTION: { min: 3, max: 1000 }, // Length
 288     SUPPORT: { min: 3, max: 1000 }, // Length
 289     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 }, // Length
 290     URL: { min: 3, max: 2000 } // Length
 291   },
 292   VIDEO_CHANNEL_SYNCS: {
 293     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 } // Length
 294   },
 295   VIDEO_CAPTIONS: {
 296     CAPTION_FILE: {
 297       EXTNAME: [ '.vtt', '.srt' ],
 298       FILE_SIZE: {
 299         max: 20 * 1024 * 1024 // 20MB
 300       }
 301     }
 302   },
 303   VIDEO_IMPORTS: {
 304     URL: { min: 3, max: 2000 }, // Length
 305     TORRENT_NAME: { min: 3, max: 255 }, // Length
 306     TORRENT_FILE: {
 307       EXTNAME: [ '.torrent' ],
 308       FILE_SIZE: {
 309         max: 1024 * 200 // 200 KB
 310       }
 311     }
 312   },
 313   VIDEOS_REDUNDANCY: {
 314     URL: { min: 3, max: 2000 } // Length
 315   },
 316   VIDEO_RATES: {
 317     URL: { min: 3, max: 2000 } // Length
 318   },
 319   VIDEOS: {
 320     NAME: { min: 3, max: 120 }, // Length
 321     LANGUAGE: { min: 1, max: 10 }, // Length
 322     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 323     DESCRIPTION: { min: 3, max: 10000 }, // Length
 324     SUPPORT: { min: 3, max: 1000 }, // Length
 325     IMAGE: {
 326       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 327       FILE_SIZE: {
 328         max: 4 * 1024 * 1024 // 4MB
 329       }
 330     },
 331     EXTNAME: [] as string[],
 332     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 333     DURATION: { min: 0 }, // Number
 334     TAGS: { min: 0, max: 5 }, // Number of total tags
 335     TAG: { min: 2, max: 30 }, // Length
 336     VIEWS: { min: 0 },
 337     LIKES: { min: 0 },
 338     DISLIKES: { min: 0 },
 339     FILE_SIZE: { min: -1 },
 340     PARTIAL_UPLOAD_SIZE: { max: 50 * 1024 * 1024 * 1024 }, // 50GB
 341     URL: { min: 3, max: 2000 } // Length
 342   },
 343   VIDEO_PLAYLISTS: {
 344     NAME: { min: 1, max: 120 }, // Length
 345     DESCRIPTION: { min: 3, max: 1000 }, // Length
 346     URL: { min: 3, max: 2000 }, // Length
 347     IMAGE: {
 348       EXTNAME: [ '.jpg', '.jpeg' ],
 349       FILE_SIZE: {
 350         max: 4 * 1024 * 1024 // 4MB
 351       }
 352     }
 353   },
 354   ACTORS: {
 355     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 356     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 357     URL: { min: 3, max: 2000 }, // Length
 358     IMAGE: {
 359       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 360       FILE_SIZE: {
 361         max: 4 * 1024 * 1024 // 4MB
 362       }
 363     }
 364   },
 365   VIDEO_EVENTS: {
 366     COUNT: { min: 0 }
 367   },
 368   VIDEO_COMMENTS: {
 369     TEXT: { min: 1, max: 10000 }, // Length
 370     URL: { min: 3, max: 2000 } // Length
 371   },
 372   VIDEO_SHARE: {
 373     URL: { min: 3, max: 2000 } // Length
 374   },
 375   CONTACT_FORM: {
 376     FROM_NAME: { min: 1, max: 120 }, // Length
 377     BODY: { min: 3, max: 5000 } // Length
 378   },
 379   PLUGINS: {
 380     NAME: { min: 1, max: 214 }, // Length
 381     DESCRIPTION: { min: 1, max: 20000 } // Length
 382   },
 383   COMMONS: {
 384     URL: { min: 5, max: 2000 } // Length
 385   },
 386   VIDEO_STUDIO: {
 387     TASKS: { min: 1, max: 10 }, // Number of tasks
 388     CUT_TIME: { min: 0 } // Value
 389   },
 390   LOGS: {
 391     CLIENT_MESSAGE: { min: 1, max: 1000 }, // Length
 392     CLIENT_STACK_TRACE: { min: 1, max: 15000 }, // Length
 393     CLIENT_META: { min: 1, max: 5000 }, // Length
 394     CLIENT_USER_AGENT: { min: 1, max: 200 } // Length
 395   }
 396 }
 397
 398 const VIEW_LIFETIME = {
 399   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 400   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 401   VIEWER_STATS: 60000 * 60 // 1 hour
 402 }
 403
 404 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 405
 406 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 407
 408 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 409   MIN: 1,
 410   STANDARD: [ 24, 25, 30 ],
 411   HD_STANDARD: [ 50, 60 ],
 412   AUDIO_MERGE: 25,
 413   AVERAGE: 30,
 414   MAX: 60,
 415   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 416 }
 417
 418 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 419
 420 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 421   LIKE: 'like',
 422   DISLIKE: 'dislike'
 423 }
 424
 425 const FFMPEG_NICE: { [ id: string ]: number } = {
 426   // parent process defaults to niceness = 0
 427   // reminder: lower = higher priority, max value is 19, lowest is -20
 428   LIVE: 5, // prioritize over VOD and THUMBNAIL
 429   THUMBNAIL: 10,
 430   VOD: 15
 431 }
 432
 433 const VIDEO_CATEGORIES = {
 434   1: 'Music',
 435   2: 'Films',
 436   3: 'Vehicles',
 437   4: 'Art',
 438   5: 'Sports',
 439   6: 'Travels',
 440   7: 'Gaming',
 441   8: 'People',
 442   9: 'Comedy',
 443   10: 'Entertainment',
 444   11: 'News & Politics',
 445   12: 'How To',
 446   13: 'Education',
 447   14: 'Activism',
 448   15: 'Science & Technology',
 449   16: 'Animals',
 450   17: 'Kids',
 451   18: 'Food'
 452 }
 453
 454 // See https://creativecommons.org/licenses/?lang=en
 455 const VIDEO_LICENCES = {
 456   1: 'Attribution',
 457   2: 'Attribution - Share Alike',
 458   3: 'Attribution - No Derivatives',
 459   4: 'Attribution - Non Commercial',
 460   5: 'Attribution - Non Commercial - Share Alike',
 461   6: 'Attribution - Non Commercial - No Derivatives',
 462   7: 'Public Domain Dedication'
 463 }
 464
 465 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 466
 467 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 468   [VideoPrivacy.PUBLIC]: 'Public',
 469   [VideoPrivacy.UNLISTED]: 'Unlisted',
 470   [VideoPrivacy.PRIVATE]: 'Private',
 471   [VideoPrivacy.INTERNAL]: 'Internal'
 472 }
 473
 474 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 475   [VideoState.PUBLISHED]: 'Published',
 476   [VideoState.TO_TRANSCODE]: 'To transcode',
 477   [VideoState.TO_IMPORT]: 'To import',
 478   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 479   [VideoState.LIVE_ENDED]: 'Livestream ended',
 480   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 481   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 482   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 483   [VideoState.TO_EDIT]: 'To edit*'
 484 }
 485
 486 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 487   [VideoImportState.FAILED]: 'Failed',
 488   [VideoImportState.PENDING]: 'Pending',
 489   [VideoImportState.SUCCESS]: 'Success',
 490   [VideoImportState.REJECTED]: 'Rejected',
 491   [VideoImportState.CANCELLED]: 'Cancelled',
 492   [VideoImportState.PROCESSING]: 'Processing'
 493 }
 494
 495 const VIDEO_CHANNEL_SYNC_STATE: { [ id in VideoChannelSyncState ]: string } = {
 496   [VideoChannelSyncState.FAILED]: 'Failed',
 497   [VideoChannelSyncState.SYNCED]: 'Synchronized',
 498   [VideoChannelSyncState.PROCESSING]: 'Processing',
 499   [VideoChannelSyncState.WAITING_FIRST_RUN]: 'Waiting first run'
 500 }
 501
 502 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 503   [AbuseState.PENDING]: 'Pending',
 504   [AbuseState.REJECTED]: 'Rejected',
 505   [AbuseState.ACCEPTED]: 'Accepted'
 506 }
 507
 508 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 509   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 510   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 511   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 512 }
 513
 514 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 515   [VideoPlaylistType.REGULAR]: 'Regular',
 516   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 517 }
 518
 519 const MIMETYPES = {
 520   AUDIO: {
 521     MIMETYPE_EXT: {
 522       'audio/mpeg': '.mp3',
 523       'audio/mp3': '.mp3',
 524
 525       'application/ogg': '.ogg',
 526       'audio/ogg': '.ogg',
 527
 528       'audio/x-ms-wma': '.wma',
 529       'audio/wav': '.wav',
 530       'audio/x-wav': '.wav',
 531
 532       'audio/x-flac': '.flac',
 533       'audio/flac': '.flac',
 534
 535       'audio/vnd.dlna.adts': '.aac',
 536       'audio/aac': '.aac',
 537
 538       'audio/m4a': '.m4a',
 539       'audio/mp4': '.m4a',
 540       'audio/x-m4a': '.m4a',
 541
 542       'audio/vnd.dolby.dd-raw': '.ac3',
 543       'audio/ac3': '.ac3'
 544     },
 545     EXT_MIMETYPE: null as { [ id: string ]: string }
 546   },
 547   VIDEO: {
 548     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 549     MIMETYPES_REGEX: null as string,
 550     EXT_MIMETYPE: null as { [ id: string ]: string }
 551   },
 552   IMAGE: {
 553     MIMETYPE_EXT: {
 554       'image/png': '.png',
 555       'image/gif': '.gif',
 556       'image/webp': '.webp',
 557       'image/jpg': '.jpg',
 558       'image/jpeg': '.jpg'
 559     },
 560     EXT_MIMETYPE: null as { [ id: string ]: string }
 561   },
 562   VIDEO_CAPTIONS: {
 563     MIMETYPE_EXT: {
 564       'text/vtt': '.vtt',
 565       'application/x-subrip': '.srt',
 566       'text/plain': '.srt'
 567     }
 568   },
 569   TORRENT: {
 570     MIMETYPE_EXT: {
 571       'application/x-bittorrent': '.torrent'
 572     }
 573   }
 574 }
 575 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 576 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 577
 578 const BINARY_CONTENT_TYPES = new Set([
 579   'binary/octet-stream',
 580   'application/octet-stream',
 581   'application/x-binary'
 582 ])
 583
 584 // ---------------------------------------------------------------------------
 585
 586 const OVERVIEWS = {
 587   VIDEOS: {
 588     SAMPLE_THRESHOLD: 6,
 589     SAMPLES_COUNT: 20
 590   }
 591 }
 592
 593 // ---------------------------------------------------------------------------
 594
 595 const SERVER_ACTOR_NAME = 'peertube'
 596
 597 const ACTIVITY_PUB = {
 598   POTENTIAL_ACCEPT_HEADERS: [
 599     'application/activity+json',
 600     'application/ld+json',
 601     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 602   ],
 603   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 604   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 605   COLLECTION_ITEMS_PER_PAGE: 10,
 606   FETCH_PAGE_LIMIT: 2000,
 607   URL_MIME_TYPES: {
 608     VIDEO: [] as string[],
 609     TORRENT: [ 'application/x-bittorrent' ],
 610     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 611   },
 612   MAX_RECURSION_COMMENTS: 100,
 613   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 614   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 615   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 616 }
 617
 618 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 619   GROUP: 'Group',
 620   PERSON: 'Person',
 621   APPLICATION: 'Application',
 622   ORGANIZATION: 'Organization',
 623   SERVICE: 'Service'
 624 }
 625
 626 const HTTP_SIGNATURE = {
 627   HEADER_NAME: 'signature',
 628   ALGORITHM: 'rsa-sha256',
 629   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 630   CLOCK_SKEW_SECONDS: 1800
 631 }
 632
 633 // ---------------------------------------------------------------------------
 634
 635 let PRIVATE_RSA_KEY_SIZE = 2048
 636
 637 // Password encryption
 638 const BCRYPT_SALT_SIZE = 10
 639
 640 const ENCRYPTION = {
 641   ALGORITHM: 'aes-256-cbc',
 642   IV: 16,
 643   SALT: 'peertube',
 644   ENCODING: 'hex' as Encoding
 645 }
 646
 647 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 648 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 649
 650 const TWO_FACTOR_AUTH_REQUEST_TOKEN_LIFETIME = 60000 * 10 // 10 minutes
 651
 652 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 653
 654 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 655   DO_NOT_LIST: 'do_not_list',
 656   BLUR: 'blur',
 657   DISPLAY: 'display'
 658 }
 659
 660 // ---------------------------------------------------------------------------
 661
 662 // Express static paths (router)
 663 const STATIC_PATHS = {
 664   THUMBNAILS: '/static/thumbnails/',
 665
 666   WEBSEED: '/static/webseed/',
 667   PRIVATE_WEBSEED: '/static/webseed/private/',
 668
 669   REDUNDANCY: '/static/redundancy/',
 670
 671   STREAMING_PLAYLISTS: {
 672     HLS: '/static/streaming-playlists/hls',
 673     PRIVATE_HLS: '/static/streaming-playlists/hls/private/'
 674   }
 675 }
 676 const STATIC_DOWNLOAD_PATHS = {
 677   TORRENTS: '/download/torrents/',
 678   VIDEOS: '/download/videos/',
 679   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 680 }
 681 const LAZY_STATIC_PATHS = {
 682   BANNERS: '/lazy-static/banners/',
 683   AVATARS: '/lazy-static/avatars/',
 684   PREVIEWS: '/lazy-static/previews/',
 685   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 686   TORRENTS: '/lazy-static/torrents/'
 687 }
 688 const OBJECT_STORAGE_PROXY_PATHS = {
 689   PRIVATE_WEBSEED: '/object-storage-proxy/webseed/private/',
 690
 691   STREAMING_PLAYLISTS: {
 692     PRIVATE_HLS: '/object-storage-proxy/streaming-playlists/hls/private/'
 693   }
 694 }
 695
 696 // Cache control
 697 const STATIC_MAX_AGE = {
 698   SERVER: '2h',
 699   LAZY_SERVER: '2d',
 700   CLIENT: '30d'
 701 }
 702
 703 // Videos thumbnail size
 704 const THUMBNAILS_SIZE = {
 705   width: 280,
 706   height: 157,
 707   minWidth: 150
 708 }
 709 const PREVIEWS_SIZE = {
 710   width: 850,
 711   height: 480,
 712   minWidth: 400
 713 }
 714 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[] } = {
 715   [ActorImageType.AVATAR]: [
 716     {
 717       width: 120,
 718       height: 120
 719     },
 720     {
 721       width: 48,
 722       height: 48
 723     }
 724   ],
 725   [ActorImageType.BANNER]: [
 726     {
 727       width: 1920,
 728       height: 317 // 6/1 ratio
 729     }
 730   ]
 731 }
 732
 733 const EMBED_SIZE = {
 734   width: 560,
 735   height: 315
 736 }
 737
 738 // Sub folders of cache directory
 739 const FILES_CACHE = {
 740   PREVIEWS: {
 741     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 742     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 743   },
 744   VIDEO_CAPTIONS: {
 745     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 746     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 747   },
 748   TORRENTS: {
 749     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 750     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 751   }
 752 }
 753
 754 const LRU_CACHE = {
 755   USER_TOKENS: {
 756     MAX_SIZE: 1000
 757   },
 758   ACTOR_IMAGE_STATIC: {
 759     MAX_SIZE: 500
 760   },
 761   STATIC_VIDEO_FILES_RIGHTS_CHECK: {
 762     MAX_SIZE: 5000,
 763     TTL: parseDurationToMs('10 seconds')
 764   },
 765   VIDEO_TOKENS: {
 766     MAX_SIZE: 100_000,
 767     TTL: parseDurationToMs('8 hours')
 768   }
 769 }
 770
 771 const DIRECTORIES = {
 772   RESUMABLE_UPLOAD: join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads'),
 773
 774   HLS_STREAMING_PLAYLIST: {
 775     PUBLIC: join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls'),
 776     PRIVATE: join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls', 'private')
 777   },
 778
 779   VIDEOS: {
 780     PUBLIC: CONFIG.STORAGE.VIDEOS_DIR,
 781     PRIVATE: join(CONFIG.STORAGE.VIDEOS_DIR, 'private')
 782   },
 783
 784   HLS_REDUNDANCY: join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 785 }
 786
 787 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 788
 789 const VIDEO_LIVE = {
 790   EXTENSION: '.ts',
 791   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 792   SEGMENT_TIME_SECONDS: {
 793     DEFAULT_LATENCY: 4, // 4 seconds
 794     SMALL_LATENCY: 2 // 2 seconds
 795   },
 796   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 797   REPLAY_DIRECTORY: 'replay',
 798   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 799   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 800   RTMP: {
 801     CHUNK_SIZE: 60000,
 802     GOP_CACHE: true,
 803     PING: 60,
 804     PING_TIMEOUT: 30,
 805     BASE_PATH: 'live'
 806   }
 807 }
 808
 809 const MEMOIZE_TTL = {
 810   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 811   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 812   VIDEO_DURATION: 1000 * 10, // 10 seconds
 813   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 814   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60, // 1 minute
 815   GET_STATS_FOR_OPEN_TELEMETRY_METRICS: 1000 * 60 // 1 minute
 816 }
 817
 818 const MEMOIZE_LENGTH = {
 819   INFO_HASH_EXISTS: 200,
 820   VIDEO_DURATION: 200
 821 }
 822
 823 const WORKER_THREADS = {
 824   DOWNLOAD_IMAGE: {
 825     CONCURRENCY: 3,
 826     MAX_THREADS: 1
 827   },
 828   PROCESS_IMAGE: {
 829     CONCURRENCY: 1,
 830     MAX_THREADS: 5
 831   }
 832 }
 833
 834 const REDUNDANCY = {
 835   VIDEOS: {
 836     RANDOMIZED_FACTOR: 5
 837   }
 838 }
 839
 840 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 841 const OTP = {
 842   HEADER_NAME: 'x-peertube-otp',
 843   HEADER_REQUIRED_VALUE: 'required; app'
 844 }
 845
 846 const ASSETS_PATH = {
 847   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 848   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 849 }
 850
 851 // ---------------------------------------------------------------------------
 852
 853 const CUSTOM_HTML_TAG_COMMENTS = {
 854   TITLE: '<!-- title tag -->',
 855   DESCRIPTION: '<!-- description tag -->',
 856   CUSTOM_CSS: '<!-- custom css tag -->',
 857   META_TAGS: '<!-- meta tags -->',
 858   SERVER_CONFIG: '<!-- server config -->'
 859 }
 860
 861 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 862 const LOG_FILENAME = 'peertube.log'
 863 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 864
 865 // ---------------------------------------------------------------------------
 866
 867 const TRACKER_RATE_LIMITS = {
 868   INTERVAL: 60000 * 5, // 5 minutes
 869   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 870   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 871   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 872 }
 873
 874 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 875
 876 // ---------------------------------------------------------------------------
 877
 878 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 879 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 880
 881 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 882
 883 const DEFAULT_THEME_NAME = 'default'
 884 const DEFAULT_USER_THEME_NAME = 'instance-default'
 885
 886 // ---------------------------------------------------------------------------
 887
 888 const SEARCH_INDEX = {
 889   ROUTES: {
 890     VIDEOS: '/api/v1/search/videos',
 891     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 892   }
 893 }
 894
 895 // ---------------------------------------------------------------------------
 896
 897 const STATS_TIMESERIE = {
 898   MAX_DAYS: 365 * 10 // Around 10 years
 899 }
 900
 901 // ---------------------------------------------------------------------------
 902
 903 // Special constants for a test instance
 904 if (process.env.PRODUCTION_CONSTANTS !== 'true') {
 905   if (isTestOrDevInstance()) {
 906     PRIVATE_RSA_KEY_SIZE = 1024
 907
 908     ACTOR_FOLLOW_SCORE.BASE = 20
 909
 910     REMOTE_SCHEME.HTTP = 'http'
 911     REMOTE_SCHEME.WS = 'ws'
 912
 913     STATIC_MAX_AGE.SERVER = '0'
 914
 915     SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 916     SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 917     SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 918     SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 919     SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 920     SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 921     SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 922     SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 923
 924     REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 925
 926     REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 927     AP_CLEANER.PERIOD = 5000
 928
 929     REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 930
 931     CONTACT_FORM_LIFETIME = 1000 // 1 second
 932
 933     JOB_ATTEMPTS['email'] = 1
 934
 935     FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 936     MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 937     MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 938     OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 939
 940     PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 941   }
 942
 943   if (isTestInstance()) {
 944     ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 945     ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 946     ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 947     ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 948
 949     CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 950     CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 951
 952     VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 953     VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 954
 955     VIDEO_LIVE.CLEANUP_DELAY = getIntEnv('PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY') ?? 5000
 956     VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 957     VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 958     VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 959   }
 960 }
 961
 962 updateWebserverUrls()
 963 updateWebserverConfig()
 964
 965 registerConfigChangedHandler(() => {
 966   updateWebserverUrls()
 967   updateWebserverConfig()
 968 })
 969
 970 // ---------------------------------------------------------------------------
 971
 972 const FILES_CONTENT_HASH = {
 973   MANIFEST: generateContentHash(),
 974   FAVICON: generateContentHash(),
 975   LOGO: generateContentHash()
 976 }
 977
 978 // ---------------------------------------------------------------------------
 979
 980 const VIDEO_FILTERS = {
 981   WATERMARK: {
 982     SIZE_RATIO: 1 / 10,
 983     HORIZONTAL_MARGIN_RATIO: 1 / 20,
 984     VERTICAL_MARGIN_RATIO: 1 / 20
 985   }
 986 }
 987
 988 // ---------------------------------------------------------------------------
 989
 990 export {
 991   WEBSERVER,
 992   API_VERSION,
 993   ENCRYPTION,
 994   VIDEO_LIVE,
 995   PEERTUBE_VERSION,
 996   LAZY_STATIC_PATHS,
 997   OBJECT_STORAGE_PROXY_PATHS,
 998   SEARCH_INDEX,
 999   DIRECTORIES,
1000   RESUMABLE_UPLOAD_SESSION_LIFETIME,
1001   P2P_MEDIA_LOADER_PEER_VERSION,
1002   ACTOR_IMAGES_SIZE,
1003   ACCEPT_HEADERS,
1004   BCRYPT_SALT_SIZE,
1005   TRACKER_RATE_LIMITS,
1006   FILES_CACHE,
1007   LOG_FILENAME,
1008   CONSTRAINTS_FIELDS,
1009   EMBED_SIZE,
1010   REDUNDANCY,
1011   JOB_CONCURRENCY,
1012   JOB_ATTEMPTS,
1013   AP_CLEANER,
1014   LAST_MIGRATION_VERSION,
1015   OAUTH_LIFETIME,
1016   CUSTOM_HTML_TAG_COMMENTS,
1017   STATS_TIMESERIE,
1018   BROADCAST_CONCURRENCY,
1019   AUDIT_LOG_FILENAME,
1020   PAGINATION,
1021   ACTOR_FOLLOW_SCORE,
1022   PREVIEWS_SIZE,
1023   REMOTE_SCHEME,
1024   FOLLOW_STATES,
1025   DEFAULT_USER_THEME_NAME,
1026   SERVER_ACTOR_NAME,
1027   TWO_FACTOR_AUTH_REQUEST_TOKEN_LIFETIME,
1028   PLUGIN_GLOBAL_CSS_FILE_NAME,
1029   PLUGIN_GLOBAL_CSS_PATH,
1030   PRIVATE_RSA_KEY_SIZE,
1031   VIDEO_FILTERS,
1032   ROUTE_CACHE_LIFETIME,
1033   SORTABLE_COLUMNS,
1034   JOB_TTL,
1035   DEFAULT_THEME_NAME,
1036   NSFW_POLICY_TYPES,
1037   STATIC_MAX_AGE,
1038   STATIC_PATHS,
1039   VIDEO_IMPORT_TIMEOUT,
1040   VIDEO_PLAYLIST_TYPES,
1041   MAX_LOGS_OUTPUT_CHARACTERS,
1042   ACTIVITY_PUB,
1043   ACTIVITY_PUB_ACTOR_TYPES,
1044   THUMBNAILS_SIZE,
1045   VIDEO_CATEGORIES,
1046   MEMOIZE_LENGTH,
1047   VIDEO_LANGUAGES,
1048   VIDEO_PRIVACIES,
1049   VIDEO_LICENCES,
1050   VIDEO_STATES,
1051   WORKER_THREADS,
1052   VIDEO_RATE_TYPES,
1053   JOB_PRIORITY,
1054   VIDEO_TRANSCODING_FPS,
1055   FFMPEG_NICE,
1056   ABUSE_STATES,
1057   LRU_CACHE,
1058   REQUEST_TIMEOUTS,
1059   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
1060   USER_PASSWORD_RESET_LIFETIME,
1061   USER_PASSWORD_CREATE_LIFETIME,
1062   MEMOIZE_TTL,
1063   USER_EMAIL_VERIFY_LIFETIME,
1064   OVERVIEWS,
1065   SCHEDULER_INTERVALS_MS,
1066   REPEAT_JOBS,
1067   STATIC_DOWNLOAD_PATHS,
1068   MIMETYPES,
1069   CRAWL_REQUEST_CONCURRENCY,
1070   DEFAULT_AUDIO_RESOLUTION,
1071   BINARY_CONTENT_TYPES,
1072   JOB_COMPLETED_LIFETIME,
1073   HTTP_SIGNATURE,
1074   VIDEO_IMPORT_STATES,
1075   VIDEO_CHANNEL_SYNC_STATE,
1076   VIEW_LIFETIME,
1077   CONTACT_FORM_LIFETIME,
1078   VIDEO_PLAYLIST_PRIVACIES,
1079   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
1080   ASSETS_PATH,
1081   FILES_CONTENT_HASH,
1082   OTP,
1083   loadLanguages,
1084   buildLanguages,
1085   generateContentHash
1086 }
1087
1088 // ---------------------------------------------------------------------------
1089
1090 function buildVideoMimetypeExt () {
1091   const data = {
1092     // streamable formats that warrant cross-browser compatibility
1093     'video/webm': '.webm',
1094     // We'll add .ogg if additional extensions are enabled
1095     // We could add .ogg here but since it could be an audio file,
1096     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1097     'video/ogg': [ '.ogv' ],
1098     'video/mp4': '.mp4'
1099   }
1100
1101   if (CONFIG.TRANSCODING.ENABLED) {
1102     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1103       data['video/ogg'].push('.ogg')
1104
1105       Object.assign(data, {
1106         'video/x-matroska': '.mkv',
1107
1108         // Developed by Apple
1109         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1110         'video/x-m4v': '.m4v',
1111         'video/m4v': '.m4v',
1112
1113         // Developed by the Adobe Flash Platform
1114         'video/x-flv': '.flv',
1115         'video/x-f4v': '.f4v', // replacement for flv
1116
1117         // Developed by Microsoft
1118         'video/x-ms-wmv': '.wmv',
1119         'video/x-msvideo': '.avi',
1120         'video/avi': '.avi',
1121
1122         // Developed by 3GPP
1123         // common video formats for cell phones
1124         'video/3gpp': [ '.3gp', '.3gpp' ],
1125         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1126
1127         // Developed by FFmpeg/Mplayer
1128         'application/x-nut': '.nut',
1129
1130         // The standard video format used by many Sony and Panasonic HD camcorders.
1131         // It is also used for storing high definition video on Blu-ray discs.
1132         'video/mp2t': '.mts',
1133         'video/vnd.dlna.mpeg-tts': '.mts',
1134
1135         'video/m2ts': '.m2ts',
1136
1137         // Old formats reliant on MPEG-1/MPEG-2
1138         'video/mpv': '.mpv',
1139         'video/mpeg2': '.m2v',
1140         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1141         'video/dvd': '.vob',
1142
1143         // Could be anything
1144         'application/octet-stream': null,
1145         'application/mxf': '.mxf' // often used as exchange format by editing software
1146       })
1147     }
1148
1149     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1150       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1151     }
1152   }
1153
1154   return data
1155 }
1156
1157 function updateWebserverUrls () {
1158   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1159   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1160   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1161
1162   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1163   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1164   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1165
1166   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1167   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1168
1169   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1170   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1171 }
1172
1173 function updateWebserverConfig () {
1174   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1175   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1176
1177   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1178
1179   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1180
1181   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1182 }
1183
1184 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1185   const result: { [id: string]: string } = {}
1186
1187   for (const mimetype of Object.keys(obj)) {
1188     const value = obj[mimetype]
1189     if (!value) continue
1190
1191     const extensions = Array.isArray(value) ? value : [ value ]
1192
1193     for (const extension of extensions) {
1194       result[extension] = mimetype
1195     }
1196   }
1197
1198   return result
1199 }
1200
1201 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1202   return Object.keys(obj)
1203     .map(m => `(${m})`)
1204     .join('|')
1205 }
1206
1207 function loadLanguages () {
1208   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1209 }
1210
1211 function buildLanguages () {
1212   const iso639 = require('iso-639-3')
1213
1214   const languages: { [id: string]: string } = {}
1215
1216   const additionalLanguages = {
1217     sgn: true, // Sign languages (macro language)
1218     ase: true, // American sign language
1219     sdl: true, // Arabian sign language
1220     bfi: true, // British sign language
1221     bzs: true, // Brazilian sign language
1222     csl: true, // Chinese sign language
1223     cse: true, // Czech sign language
1224     dsl: true, // Danish sign language
1225     fsl: true, // French sign language
1226     gsg: true, // German sign language
1227     pks: true, // Pakistan sign language
1228     jsl: true, // Japanese sign language
1229     sfs: true, // South African sign language
1230     swl: true, // Swedish sign language
1231     rsl: true, // Russian sign language
1232
1233     kab: true, // Kabyle
1234
1235     lat: true, // Latin
1236
1237     epo: true, // Esperanto
1238     tlh: true, // Klingon
1239     jbo: true, // Lojban
1240     avk: true, // Kotava
1241
1242     zxx: true // No linguistic content (ISO-639-2)
1243   }
1244
1245   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1246   iso639
1247     .filter(l => {
1248       return (l.iso6391 !== undefined && l.type === 'living') ||
1249         additionalLanguages[l.iso6393] === true
1250     })
1251     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1252
1253   // Override Occitan label
1254   languages['oc'] = 'Occitan'
1255   languages['el'] = 'Greek'
1256   languages['tok'] = 'Toki Pona'
1257
1258   // Chinese languages
1259   languages['zh-Hans'] = 'Simplified Chinese'
1260   languages['zh-Hant'] = 'Traditional Chinese'
1261
1262   return languages
1263 }
1264
1265 function generateContentHash () {
1266   return randomBytes(20).toString('hex')
1267 }
1268
1269 function getIntEnv (path: string) {
1270   if (process.env[path]) return parseInt(process.env[path])
1271
1272   return undefined
1273 }