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   UserRegistrationState,
  10   VideoChannelSyncState,
  11   VideoImportState,
  12   VideoPrivacy,
  13   VideoRateType,
  14   VideoResolution,
  15   VideoState,
  16   VideoTranscodingFPS
  17 } from '../../shared/models'
  18 import { ActivityPubActorType } from '../../shared/models/activitypub'
  19 import { ActorImageType, FollowState } from '../../shared/models/actors'
  20 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
  21 import { VideoPlaylistPrivacy } from '../../shared/models/videos/playlist/video-playlist-privacy.model'
  22 import { VideoPlaylistType } from '../../shared/models/videos/playlist/video-playlist-type.model'
  23 // Do not use barrels, remain constants as independent as possible
  24 import { isTestInstance, isTestOrDevInstance, parseDurationToMs, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
  25 import { CONFIG, registerConfigChangedHandler } from './config'
  26
  27 // ---------------------------------------------------------------------------
  28
  29 const LAST_MIGRATION_VERSION = 755
  30
  31 // ---------------------------------------------------------------------------
  32
  33 const API_VERSION = 'v1'
  34 const PEERTUBE_VERSION: string = require(join(root(), 'package.json')).version
  35
  36 const PAGINATION = {
  37   GLOBAL: {
  38     COUNT: {
  39       DEFAULT: 15,
  40       MAX: 100
  41     }
  42   },
  43   OUTBOX: {
  44     COUNT: {
  45       MAX: 50
  46     }
  47   }
  48 }
  49
  50 const WEBSERVER = {
  51   URL: '',
  52   HOST: '',
  53   SCHEME: '',
  54   WS: '',
  55   HOSTNAME: '',
  56   PORT: 0,
  57   RTMP_URL: '',
  58   RTMPS_URL: ''
  59 }
  60
  61 // Sortable columns per schema
  62 const SORTABLE_COLUMNS = {
  63   ADMIN_USERS: [ 'id', 'username', 'videoQuotaUsed', 'createdAt', 'lastLoginDate', 'role' ],
  64   USER_SUBSCRIPTIONS: [ 'id', 'createdAt' ],
  65   ACCOUNTS: [ 'createdAt' ],
  66   JOBS: [ 'createdAt' ],
  67   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  68   VIDEO_IMPORTS: [ 'createdAt' ],
  69   VIDEO_CHANNEL_SYNCS: [ 'externalChannelUrl', 'videoChannel', 'createdAt', 'lastSyncAt', 'state' ],
  70
  71   VIDEO_COMMENT_THREADS: [ 'createdAt', 'totalReplies' ],
  72   VIDEO_COMMENTS: [ 'createdAt' ],
  73
  74   VIDEO_RATES: [ 'createdAt' ],
  75   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  76
  77   INSTANCE_FOLLOWERS: [ 'createdAt', 'state', 'score' ],
  78   INSTANCE_FOLLOWING: [ 'createdAt', 'redundancyAllowed', 'state' ],
  79   ACCOUNT_FOLLOWERS: [ 'createdAt' ],
  80   CHANNEL_FOLLOWERS: [ 'createdAt' ],
  81
  82   USER_REGISTRATIONS: [ 'createdAt', 'state' ],
  83
  84   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'trending', 'hot', 'best' ],
  85
  86   // Don't forget to update peertube-search-index with the same values
  87   VIDEOS_SEARCH: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'match' ],
  88   VIDEO_CHANNELS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  89   VIDEO_PLAYLISTS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  90
  91   ABUSES: [ 'id', 'createdAt', 'state' ],
  92
  93   ACCOUNTS_BLOCKLIST: [ 'createdAt' ],
  94   SERVERS_BLOCKLIST: [ 'createdAt' ],
  95
  96   USER_NOTIFICATIONS: [ 'createdAt', 'read' ],
  97
  98   VIDEO_PLAYLISTS: [ 'name', 'displayName', 'createdAt', 'updatedAt' ],
  99
 100   PLUGINS: [ 'name', 'createdAt', 'updatedAt' ],
 101
 102   AVAILABLE_PLUGINS: [ 'npmName', 'popularity' ],
 103
 104   VIDEO_REDUNDANCIES: [ 'name' ]
 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   WELL_KNOWN: '1 day'
 119 }
 120
 121 // ---------------------------------------------------------------------------
 122
 123 // Number of points we add/remove after a successful/bad request
 124 const ACTOR_FOLLOW_SCORE = {
 125   PENALTY: -10,
 126   BONUS: 10,
 127   BASE: 1000,
 128   MAX: 10000
 129 }
 130
 131 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
 132   PENDING: 'pending',
 133   ACCEPTED: 'accepted',
 134   REJECTED: 'rejected'
 135 }
 136
 137 const REMOTE_SCHEME = {
 138   HTTP: 'https',
 139   WS: 'wss'
 140 }
 141
 142 const JOB_ATTEMPTS: { [id in JobType]: number } = {
 143   'activitypub-http-broadcast': 1,
 144   'activitypub-http-broadcast-parallel': 1,
 145   'activitypub-http-unicast': 1,
 146   'activitypub-http-fetcher': 2,
 147   'activitypub-follow': 5,
 148   'activitypub-cleaner': 1,
 149   'video-file-import': 1,
 150   'video-transcoding': 1,
 151   'video-import': 1,
 152   'email': 5,
 153   'actor-keys': 3,
 154   'videos-views-stats': 1,
 155   'activitypub-refresher': 1,
 156   'video-redundancy': 1,
 157   'video-live-ending': 1,
 158   'video-studio-edition': 1,
 159   'manage-video-torrent': 1,
 160   'video-channel-import': 1,
 161   'after-video-channel-import': 1,
 162   'move-to-object-storage': 3,
 163   'notify': 1,
 164   'federate-video': 1
 165 }
 166 // Excluded keys are jobs that can be configured by admins
 167 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 168   'activitypub-http-broadcast': 1,
 169   'activitypub-http-broadcast-parallel': 30,
 170   'activitypub-http-unicast': 30,
 171   'activitypub-http-fetcher': 3,
 172   'activitypub-cleaner': 1,
 173   'activitypub-follow': 1,
 174   'video-file-import': 1,
 175   'email': 5,
 176   'actor-keys': 1,
 177   'videos-views-stats': 1,
 178   'activitypub-refresher': 1,
 179   'video-redundancy': 1,
 180   'video-live-ending': 10,
 181   'video-studio-edition': 1,
 182   'manage-video-torrent': 1,
 183   'move-to-object-storage': 1,
 184   'video-channel-import': 1,
 185   'after-video-channel-import': 1,
 186   'notify': 5,
 187   'federate-video': 3
 188 }
 189 const JOB_TTL: { [id in JobType]: number } = {
 190   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 191   'activitypub-http-broadcast-parallel': 60000 * 10, // 10 minutes
 192   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 193   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 194   'activitypub-follow': 60000 * 10, // 10 minutes
 195   'activitypub-cleaner': 1000 * 3600, // 1 hour
 196   'video-file-import': 1000 * 3600, // 1 hour
 197   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 198   'video-studio-edition': 1000 * 3600 * 10, // 10 hours
 199   'video-import': CONFIG.IMPORT.VIDEOS.TIMEOUT,
 200   'email': 60000 * 10, // 10 minutes
 201   'actor-keys': 60000 * 20, // 20 minutes
 202   'videos-views-stats': undefined, // Unlimited
 203   'activitypub-refresher': 60000 * 10, // 10 minutes
 204   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 205   'video-live-ending': 1000 * 60 * 10, // 10 minutes
 206   'manage-video-torrent': 1000 * 3600 * 3, // 3 hours
 207   'move-to-object-storage': 1000 * 60 * 60 * 3, // 3 hours
 208   'video-channel-import': 1000 * 60 * 60 * 4, // 4 hours
 209   'after-video-channel-import': 60000 * 5, // 5 minutes
 210   'notify': 60000 * 5, // 5 minutes
 211   'federate-video': 60000 * 5 // 5 minutes
 212 }
 213 const REPEAT_JOBS: { [ id in JobType ]?: RepeatOptions } = {
 214   'videos-views-stats': {
 215     pattern: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 216   },
 217   'activitypub-cleaner': {
 218     pattern: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 219   }
 220 }
 221 const JOB_PRIORITY = {
 222   TRANSCODING: 100
 223 }
 224
 225 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 226 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 227
 228 const AP_CLEANER = {
 229   CONCURRENCY: 10, // How many requests in parallel we do in activitypub-cleaner job
 230   UNAVAILABLE_TRESHOLD: 3, // How many attempts we do before removing an unavailable remote resource
 231   PERIOD: parseDurationToMs('1 week') // /!\ Has to be sync with REPEAT_JOBS
 232 }
 233
 234 const REQUEST_TIMEOUTS = {
 235   DEFAULT: 7000, // 7 seconds
 236   FILE: 30000, // 30 seconds
 237   REDUNDANCY: JOB_TTL['video-redundancy']
 238 }
 239
 240 const JOB_REMOVAL_OPTIONS = {
 241   COUNT: 10000, // Max jobs to store
 242
 243   SUCCESS: { // Success jobs
 244     'DEFAULT': parseDurationToMs('2 days'),
 245
 246     'activitypub-http-broadcast-parallel': parseDurationToMs('10 minutes'),
 247     'activitypub-http-unicast': parseDurationToMs('1 hour'),
 248     'videos-views-stats': parseDurationToMs('3 hours'),
 249     'activitypub-refresher': parseDurationToMs('10 hours')
 250   },
 251
 252   FAILURE: { // Failed job
 253     DEFAULT: parseDurationToMs('7 days')
 254   }
 255 }
 256
 257 const VIDEO_IMPORT_TIMEOUT = Math.floor(JOB_TTL['video-import'] * 0.9)
 258
 259 const SCHEDULER_INTERVALS_MS = {
 260   ACTOR_FOLLOW_SCORES: 60000 * 60, // 1 hour
 261   REMOVE_OLD_JOBS: 60000 * 60, // 1 hour
 262   UPDATE_VIDEOS: 60000, // 1 minute
 263   YOUTUBE_DL_UPDATE: 60000 * 60 * 24, // 1 day
 264   GEO_IP_UPDATE: 60000 * 60 * 24, // 1 day
 265   VIDEO_VIEWS_BUFFER_UPDATE: CONFIG.VIEWS.VIDEOS.LOCAL_BUFFER_UPDATE_INTERVAL,
 266   CHECK_PLUGINS: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 267   CHECK_PEERTUBE_VERSION: 60000 * 60 * 24, // 1 day
 268   AUTO_FOLLOW_INDEX_INSTANCES: 60000 * 60 * 24, // 1 day
 269   REMOVE_OLD_VIEWS: 60000 * 60 * 24, // 1 day
 270   REMOVE_OLD_HISTORY: 60000 * 60 * 24, // 1 day
 271   UPDATE_INBOX_STATS: 1000 * 60, // 1 minute
 272   REMOVE_DANGLING_RESUMABLE_UPLOADS: 60000 * 60, // 1 hour
 273   CHANNEL_SYNC_CHECK_INTERVAL: CONFIG.IMPORT.VIDEO_CHANNEL_SYNCHRONIZATION.CHECK_INTERVAL
 274 }
 275
 276 // ---------------------------------------------------------------------------
 277
 278 const CONSTRAINTS_FIELDS = {
 279   USERS: {
 280     NAME: { min: 1, max: 120 }, // Length
 281     DESCRIPTION: { min: 3, max: 1000 }, // Length
 282     USERNAME: { min: 1, max: 50 }, // Length
 283     PASSWORD: { min: 6, max: 255 }, // Length
 284     VIDEO_QUOTA: { min: -1 },
 285     VIDEO_QUOTA_DAILY: { min: -1 },
 286     VIDEO_LANGUAGES: { max: 500 }, // Array length
 287     BLOCKED_REASON: { min: 3, max: 250 } // Length
 288   },
 289   ABUSES: {
 290     REASON: { min: 2, max: 3000 }, // Length
 291     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 292   },
 293   ABUSE_MESSAGES: {
 294     MESSAGE: { min: 2, max: 3000 } // Length
 295   },
 296   USER_REGISTRATIONS: {
 297     REASON_MESSAGE: { min: 2, max: 3000 }, // Length
 298     MODERATOR_MESSAGE: { min: 2, max: 3000 } // Length
 299   },
 300   VIDEO_BLACKLIST: {
 301     REASON: { min: 2, max: 300 } // Length
 302   },
 303   VIDEO_CHANNELS: {
 304     NAME: { min: 1, max: 120 }, // Length
 305     DESCRIPTION: { min: 3, max: 1000 }, // Length
 306     SUPPORT: { min: 3, max: 1000 }, // Length
 307     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 }, // Length
 308     URL: { min: 3, max: 2000 } // Length
 309   },
 310   VIDEO_CHANNEL_SYNCS: {
 311     EXTERNAL_CHANNEL_URL: { min: 3, max: 2000 } // Length
 312   },
 313   VIDEO_CAPTIONS: {
 314     CAPTION_FILE: {
 315       EXTNAME: [ '.vtt', '.srt' ],
 316       FILE_SIZE: {
 317         max: 20 * 1024 * 1024 // 20MB
 318       }
 319     }
 320   },
 321   VIDEO_IMPORTS: {
 322     URL: { min: 3, max: 2000 }, // Length
 323     TORRENT_NAME: { min: 3, max: 255 }, // Length
 324     TORRENT_FILE: {
 325       EXTNAME: [ '.torrent' ],
 326       FILE_SIZE: {
 327         max: 1024 * 200 // 200 KB
 328       }
 329     }
 330   },
 331   VIDEOS_REDUNDANCY: {
 332     URL: { min: 3, max: 2000 } // Length
 333   },
 334   VIDEO_RATES: {
 335     URL: { min: 3, max: 2000 } // Length
 336   },
 337   VIDEOS: {
 338     NAME: { min: 3, max: 120 }, // Length
 339     LANGUAGE: { min: 1, max: 10 }, // Length
 340     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 341     DESCRIPTION: { min: 3, max: 10000 }, // Length
 342     SUPPORT: { min: 3, max: 1000 }, // Length
 343     IMAGE: {
 344       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 345       FILE_SIZE: {
 346         max: 4 * 1024 * 1024 // 4MB
 347       }
 348     },
 349     EXTNAME: [] as string[],
 350     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 351     DURATION: { min: 0 }, // Number
 352     TAGS: { min: 0, max: 5 }, // Number of total tags
 353     TAG: { min: 2, max: 30 }, // Length
 354     VIEWS: { min: 0 },
 355     LIKES: { min: 0 },
 356     DISLIKES: { min: 0 },
 357     FILE_SIZE: { min: -1 },
 358     PARTIAL_UPLOAD_SIZE: { max: 50 * 1024 * 1024 * 1024 }, // 50GB
 359     URL: { min: 3, max: 2000 } // Length
 360   },
 361   VIDEO_PLAYLISTS: {
 362     NAME: { min: 1, max: 120 }, // Length
 363     DESCRIPTION: { min: 3, max: 1000 }, // Length
 364     URL: { min: 3, max: 2000 }, // Length
 365     IMAGE: {
 366       EXTNAME: [ '.jpg', '.jpeg' ],
 367       FILE_SIZE: {
 368         max: 4 * 1024 * 1024 // 4MB
 369       }
 370     }
 371   },
 372   ACTORS: {
 373     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 374     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 375     URL: { min: 3, max: 2000 }, // Length
 376     IMAGE: {
 377       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 378       FILE_SIZE: {
 379         max: 4 * 1024 * 1024 // 4MB
 380       }
 381     }
 382   },
 383   VIDEO_EVENTS: {
 384     COUNT: { min: 0 }
 385   },
 386   VIDEO_COMMENTS: {
 387     TEXT: { min: 1, max: 10000 }, // Length
 388     URL: { min: 3, max: 2000 } // Length
 389   },
 390   VIDEO_SHARE: {
 391     URL: { min: 3, max: 2000 } // Length
 392   },
 393   CONTACT_FORM: {
 394     FROM_NAME: { min: 1, max: 120 }, // Length
 395     BODY: { min: 3, max: 5000 } // Length
 396   },
 397   PLUGINS: {
 398     NAME: { min: 1, max: 214 }, // Length
 399     DESCRIPTION: { min: 1, max: 20000 } // Length
 400   },
 401   COMMONS: {
 402     URL: { min: 5, max: 2000 } // Length
 403   },
 404   VIDEO_STUDIO: {
 405     TASKS: { min: 1, max: 10 }, // Number of tasks
 406     CUT_TIME: { min: 0 } // Value
 407   },
 408   LOGS: {
 409     CLIENT_MESSAGE: { min: 1, max: 1000 }, // Length
 410     CLIENT_STACK_TRACE: { min: 1, max: 15000 }, // Length
 411     CLIENT_META: { min: 1, max: 5000 }, // Length
 412     CLIENT_USER_AGENT: { min: 1, max: 200 } // Length
 413   }
 414 }
 415
 416 const VIEW_LIFETIME = {
 417   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 418   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 419   VIEWER_STATS: 60000 * 60 // 1 hour
 420 }
 421
 422 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 423
 424 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 425
 426 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 427   MIN: 1,
 428   STANDARD: [ 24, 25, 30 ],
 429   HD_STANDARD: [ 50, 60 ],
 430   AUDIO_MERGE: 25,
 431   AVERAGE: 30,
 432   MAX: 60,
 433   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 434 }
 435
 436 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 437
 438 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 439   LIKE: 'like',
 440   DISLIKE: 'dislike'
 441 }
 442
 443 const FFMPEG_NICE: { [ id: string ]: number } = {
 444   // parent process defaults to niceness = 0
 445   // reminder: lower = higher priority, max value is 19, lowest is -20
 446   LIVE: 5, // prioritize over VOD and THUMBNAIL
 447   THUMBNAIL: 10,
 448   VOD: 15
 449 }
 450
 451 const VIDEO_CATEGORIES = {
 452   1: 'Music',
 453   2: 'Films',
 454   3: 'Vehicles',
 455   4: 'Art',
 456   5: 'Sports',
 457   6: 'Travels',
 458   7: 'Gaming',
 459   8: 'People',
 460   9: 'Comedy',
 461   10: 'Entertainment',
 462   11: 'News & Politics',
 463   12: 'How To',
 464   13: 'Education',
 465   14: 'Activism',
 466   15: 'Science & Technology',
 467   16: 'Animals',
 468   17: 'Kids',
 469   18: 'Food'
 470 }
 471
 472 // See https://creativecommons.org/licenses/?lang=en
 473 const VIDEO_LICENCES = {
 474   1: 'Attribution',
 475   2: 'Attribution - Share Alike',
 476   3: 'Attribution - No Derivatives',
 477   4: 'Attribution - Non Commercial',
 478   5: 'Attribution - Non Commercial - Share Alike',
 479   6: 'Attribution - Non Commercial - No Derivatives',
 480   7: 'Public Domain Dedication'
 481 }
 482
 483 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 484
 485 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 486   [VideoPrivacy.PUBLIC]: 'Public',
 487   [VideoPrivacy.UNLISTED]: 'Unlisted',
 488   [VideoPrivacy.PRIVATE]: 'Private',
 489   [VideoPrivacy.INTERNAL]: 'Internal'
 490 }
 491
 492 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 493   [VideoState.PUBLISHED]: 'Published',
 494   [VideoState.TO_TRANSCODE]: 'To transcode',
 495   [VideoState.TO_IMPORT]: 'To import',
 496   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 497   [VideoState.LIVE_ENDED]: 'Livestream ended',
 498   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 499   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 500   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 501   [VideoState.TO_EDIT]: 'To edit*'
 502 }
 503
 504 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 505   [VideoImportState.FAILED]: 'Failed',
 506   [VideoImportState.PENDING]: 'Pending',
 507   [VideoImportState.SUCCESS]: 'Success',
 508   [VideoImportState.REJECTED]: 'Rejected',
 509   [VideoImportState.CANCELLED]: 'Cancelled',
 510   [VideoImportState.PROCESSING]: 'Processing'
 511 }
 512
 513 const VIDEO_CHANNEL_SYNC_STATE: { [ id in VideoChannelSyncState ]: string } = {
 514   [VideoChannelSyncState.FAILED]: 'Failed',
 515   [VideoChannelSyncState.SYNCED]: 'Synchronized',
 516   [VideoChannelSyncState.PROCESSING]: 'Processing',
 517   [VideoChannelSyncState.WAITING_FIRST_RUN]: 'Waiting first run'
 518 }
 519
 520 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 521   [AbuseState.PENDING]: 'Pending',
 522   [AbuseState.REJECTED]: 'Rejected',
 523   [AbuseState.ACCEPTED]: 'Accepted'
 524 }
 525
 526 const USER_REGISTRATION_STATES: { [ id in UserRegistrationState ]: string } = {
 527   [UserRegistrationState.PENDING]: 'Pending',
 528   [UserRegistrationState.REJECTED]: 'Rejected',
 529   [UserRegistrationState.ACCEPTED]: 'Accepted'
 530 }
 531
 532 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 533   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 534   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 535   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 536 }
 537
 538 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 539   [VideoPlaylistType.REGULAR]: 'Regular',
 540   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 541 }
 542
 543 const MIMETYPES = {
 544   AUDIO: {
 545     MIMETYPE_EXT: {
 546       'audio/mpeg': '.mp3',
 547       'audio/mp3': '.mp3',
 548
 549       'application/ogg': '.ogg',
 550       'audio/ogg': '.ogg',
 551
 552       'audio/x-ms-wma': '.wma',
 553       'audio/wav': '.wav',
 554       'audio/x-wav': '.wav',
 555
 556       'audio/x-flac': '.flac',
 557       'audio/flac': '.flac',
 558
 559       'audio/vnd.dlna.adts': '.aac',
 560       'audio/aac': '.aac',
 561
 562       'audio/m4a': '.m4a',
 563       'audio/mp4': '.m4a',
 564       'audio/x-m4a': '.m4a',
 565
 566       'audio/vnd.dolby.dd-raw': '.ac3',
 567       'audio/ac3': '.ac3'
 568     },
 569     EXT_MIMETYPE: null as { [ id: string ]: string }
 570   },
 571   VIDEO: {
 572     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 573     MIMETYPES_REGEX: null as string,
 574     EXT_MIMETYPE: null as { [ id: string ]: string }
 575   },
 576   IMAGE: {
 577     MIMETYPE_EXT: {
 578       'image/png': '.png',
 579       'image/gif': '.gif',
 580       'image/webp': '.webp',
 581       'image/jpg': '.jpg',
 582       'image/jpeg': '.jpg'
 583     },
 584     EXT_MIMETYPE: null as { [ id: string ]: string }
 585   },
 586   VIDEO_CAPTIONS: {
 587     MIMETYPE_EXT: {
 588       'text/vtt': '.vtt',
 589       'application/x-subrip': '.srt',
 590       'text/plain': '.srt'
 591     }
 592   },
 593   TORRENT: {
 594     MIMETYPE_EXT: {
 595       'application/x-bittorrent': '.torrent'
 596     }
 597   }
 598 }
 599 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 600 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 601
 602 const BINARY_CONTENT_TYPES = new Set([
 603   'binary/octet-stream',
 604   'application/octet-stream',
 605   'application/x-binary'
 606 ])
 607
 608 // ---------------------------------------------------------------------------
 609
 610 const OVERVIEWS = {
 611   VIDEOS: {
 612     SAMPLE_THRESHOLD: 6,
 613     SAMPLES_COUNT: 20
 614   }
 615 }
 616
 617 // ---------------------------------------------------------------------------
 618
 619 const SERVER_ACTOR_NAME = 'peertube'
 620
 621 const ACTIVITY_PUB = {
 622   POTENTIAL_ACCEPT_HEADERS: [
 623     'application/activity+json',
 624     'application/ld+json',
 625     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 626   ],
 627   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 628   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 629   COLLECTION_ITEMS_PER_PAGE: 10,
 630   FETCH_PAGE_LIMIT: 2000,
 631   URL_MIME_TYPES: {
 632     VIDEO: [] as string[],
 633     TORRENT: [ 'application/x-bittorrent' ],
 634     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 635   },
 636   MAX_RECURSION_COMMENTS: 100,
 637   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 638   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 639   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 640 }
 641
 642 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 643   GROUP: 'Group',
 644   PERSON: 'Person',
 645   APPLICATION: 'Application',
 646   ORGANIZATION: 'Organization',
 647   SERVICE: 'Service'
 648 }
 649
 650 const HTTP_SIGNATURE = {
 651   HEADER_NAME: 'signature',
 652   ALGORITHM: 'rsa-sha256',
 653   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 654   CLOCK_SKEW_SECONDS: 1800
 655 }
 656
 657 // ---------------------------------------------------------------------------
 658
 659 let PRIVATE_RSA_KEY_SIZE = 2048
 660
 661 // Password encryption
 662 const BCRYPT_SALT_SIZE = 10
 663
 664 const ENCRYPTION = {
 665   ALGORITHM: 'aes-256-cbc',
 666   IV: 16,
 667   SALT: 'peertube',
 668   ENCODING: 'hex' as Encoding
 669 }
 670
 671 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 672 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 673
 674 const TWO_FACTOR_AUTH_REQUEST_TOKEN_LIFETIME = 60000 * 10 // 10 minutes
 675
 676 const EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 677
 678 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 679   DO_NOT_LIST: 'do_not_list',
 680   BLUR: 'blur',
 681   DISPLAY: 'display'
 682 }
 683
 684 // ---------------------------------------------------------------------------
 685
 686 // Express static paths (router)
 687 const STATIC_PATHS = {
 688   THUMBNAILS: '/static/thumbnails/',
 689
 690   WEBSEED: '/static/webseed/',
 691   PRIVATE_WEBSEED: '/static/webseed/private/',
 692
 693   REDUNDANCY: '/static/redundancy/',
 694
 695   STREAMING_PLAYLISTS: {
 696     HLS: '/static/streaming-playlists/hls',
 697     PRIVATE_HLS: '/static/streaming-playlists/hls/private/'
 698   }
 699 }
 700 const STATIC_DOWNLOAD_PATHS = {
 701   TORRENTS: '/download/torrents/',
 702   VIDEOS: '/download/videos/',
 703   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 704 }
 705 const LAZY_STATIC_PATHS = {
 706   BANNERS: '/lazy-static/banners/',
 707   AVATARS: '/lazy-static/avatars/',
 708   PREVIEWS: '/lazy-static/previews/',
 709   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 710   TORRENTS: '/lazy-static/torrents/'
 711 }
 712 const OBJECT_STORAGE_PROXY_PATHS = {
 713   PRIVATE_WEBSEED: '/object-storage-proxy/webseed/private/',
 714
 715   STREAMING_PLAYLISTS: {
 716     PRIVATE_HLS: '/object-storage-proxy/streaming-playlists/hls/private/'
 717   }
 718 }
 719
 720 // Cache control
 721 const STATIC_MAX_AGE = {
 722   SERVER: '2h',
 723   LAZY_SERVER: '2d',
 724   CLIENT: '30d'
 725 }
 726
 727 // Videos thumbnail size
 728 const THUMBNAILS_SIZE = {
 729   width: 280,
 730   height: 157,
 731   minWidth: 150
 732 }
 733 const PREVIEWS_SIZE = {
 734   width: 850,
 735   height: 480,
 736   minWidth: 400
 737 }
 738 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[] } = {
 739   [ActorImageType.AVATAR]: [
 740     {
 741       width: 120,
 742       height: 120
 743     },
 744     {
 745       width: 48,
 746       height: 48
 747     }
 748   ],
 749   [ActorImageType.BANNER]: [
 750     {
 751       width: 1920,
 752       height: 317 // 6/1 ratio
 753     }
 754   ]
 755 }
 756
 757 const EMBED_SIZE = {
 758   width: 560,
 759   height: 315
 760 }
 761
 762 // Sub folders of cache directory
 763 const FILES_CACHE = {
 764   PREVIEWS: {
 765     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 766     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 767   },
 768   VIDEO_CAPTIONS: {
 769     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 770     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 771   },
 772   TORRENTS: {
 773     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 774     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 775   }
 776 }
 777
 778 const LRU_CACHE = {
 779   USER_TOKENS: {
 780     MAX_SIZE: 1000
 781   },
 782   ACTOR_IMAGE_STATIC: {
 783     MAX_SIZE: 500
 784   },
 785   STATIC_VIDEO_FILES_RIGHTS_CHECK: {
 786     MAX_SIZE: 5000,
 787     TTL: parseDurationToMs('10 seconds')
 788   },
 789   VIDEO_TOKENS: {
 790     MAX_SIZE: 100_000,
 791     TTL: parseDurationToMs('8 hours')
 792   },
 793   TRACKER_IPS: {
 794     MAX_SIZE: 100_000
 795   }
 796 }
 797
 798 const DIRECTORIES = {
 799   RESUMABLE_UPLOAD: join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads'),
 800
 801   HLS_STREAMING_PLAYLIST: {
 802     PUBLIC: join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls'),
 803     PRIVATE: join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls', 'private')
 804   },
 805
 806   VIDEOS: {
 807     PUBLIC: CONFIG.STORAGE.VIDEOS_DIR,
 808     PRIVATE: join(CONFIG.STORAGE.VIDEOS_DIR, 'private')
 809   },
 810
 811   HLS_REDUNDANCY: join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 812 }
 813
 814 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 815
 816 const VIDEO_LIVE = {
 817   EXTENSION: '.ts',
 818   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 819   SEGMENT_TIME_SECONDS: {
 820     DEFAULT_LATENCY: 4, // 4 seconds
 821     SMALL_LATENCY: 2 // 2 seconds
 822   },
 823   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 824   REPLAY_DIRECTORY: 'replay',
 825   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 826   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 827   RTMP: {
 828     CHUNK_SIZE: 60000,
 829     GOP_CACHE: true,
 830     PING: 60,
 831     PING_TIMEOUT: 30,
 832     BASE_PATH: 'live'
 833   }
 834 }
 835
 836 const MEMOIZE_TTL = {
 837   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 838   INFO_HASH_EXISTS: 1000 * 60, // 1 minute
 839   VIDEO_DURATION: 1000 * 10, // 10 seconds
 840   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 841   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60, // 1 minute
 842   GET_STATS_FOR_OPEN_TELEMETRY_METRICS: 1000 * 60 // 1 minute
 843 }
 844
 845 const MEMOIZE_LENGTH = {
 846   INFO_HASH_EXISTS: 200,
 847   VIDEO_DURATION: 200
 848 }
 849
 850 const WORKER_THREADS = {
 851   DOWNLOAD_IMAGE: {
 852     CONCURRENCY: 3,
 853     MAX_THREADS: 1
 854   },
 855   PROCESS_IMAGE: {
 856     CONCURRENCY: 1,
 857     MAX_THREADS: 5
 858   }
 859 }
 860
 861 const REDUNDANCY = {
 862   VIDEOS: {
 863     RANDOMIZED_FACTOR: 5
 864   }
 865 }
 866
 867 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 868 const OTP = {
 869   HEADER_NAME: 'x-peertube-otp',
 870   HEADER_REQUIRED_VALUE: 'required; app'
 871 }
 872
 873 const ASSETS_PATH = {
 874   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 875   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 876 }
 877
 878 // ---------------------------------------------------------------------------
 879
 880 const CUSTOM_HTML_TAG_COMMENTS = {
 881   TITLE: '<!-- title tag -->',
 882   DESCRIPTION: '<!-- description tag -->',
 883   CUSTOM_CSS: '<!-- custom css tag -->',
 884   META_TAGS: '<!-- meta tags -->',
 885   SERVER_CONFIG: '<!-- server config -->'
 886 }
 887
 888 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 889 const LOG_FILENAME = 'peertube.log'
 890 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 891
 892 // ---------------------------------------------------------------------------
 893
 894 const TRACKER_RATE_LIMITS = {
 895   INTERVAL: 60000 * 5, // 5 minutes
 896   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 897   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 898   BLOCK_IP_LIFETIME: parseDurationToMs('3 minutes')
 899 }
 900
 901 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 902
 903 // ---------------------------------------------------------------------------
 904
 905 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 906 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 907
 908 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 909
 910 const DEFAULT_THEME_NAME = 'default'
 911 const DEFAULT_USER_THEME_NAME = 'instance-default'
 912
 913 // ---------------------------------------------------------------------------
 914
 915 const SEARCH_INDEX = {
 916   ROUTES: {
 917     VIDEOS: '/api/v1/search/videos',
 918     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 919   }
 920 }
 921
 922 // ---------------------------------------------------------------------------
 923
 924 const STATS_TIMESERIE = {
 925   MAX_DAYS: 365 * 10 // Around 10 years
 926 }
 927
 928 // ---------------------------------------------------------------------------
 929
 930 // Special constants for a test instance
 931 if (process.env.PRODUCTION_CONSTANTS !== 'true') {
 932   if (isTestOrDevInstance()) {
 933     PRIVATE_RSA_KEY_SIZE = 1024
 934
 935     ACTOR_FOLLOW_SCORE.BASE = 20
 936
 937     REMOTE_SCHEME.HTTP = 'http'
 938     REMOTE_SCHEME.WS = 'ws'
 939
 940     STATIC_MAX_AGE.SERVER = '0'
 941
 942     SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 943     SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 944     SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 945     SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 946     SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 947     SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 948     SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 949     SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 950
 951     REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 952
 953     REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 954     AP_CLEANER.PERIOD = 5000
 955
 956     REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 957
 958     CONTACT_FORM_LIFETIME = 1000 // 1 second
 959
 960     JOB_ATTEMPTS['email'] = 1
 961
 962     FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 963     MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 964     MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 965     OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 966
 967     PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 968
 969     JOB_REMOVAL_OPTIONS.SUCCESS['videos-views-stats'] = 10000
 970   }
 971
 972   if (isTestInstance()) {
 973     ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 974     ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 975     ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 976     ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 977
 978     CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 979     CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 980
 981     VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 982     VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 983
 984     VIDEO_LIVE.CLEANUP_DELAY = getIntEnv('PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY') ?? 5000
 985     VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 986     VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 987     VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 988   }
 989 }
 990
 991 updateWebserverUrls()
 992 updateWebserverConfig()
 993
 994 registerConfigChangedHandler(() => {
 995   updateWebserverUrls()
 996   updateWebserverConfig()
 997 })
 998
 999 // ---------------------------------------------------------------------------
1000
1001 const FILES_CONTENT_HASH = {
1002   MANIFEST: generateContentHash(),
1003   FAVICON: generateContentHash(),
1004   LOGO: generateContentHash()
1005 }
1006
1007 // ---------------------------------------------------------------------------
1008
1009 const VIDEO_FILTERS = {
1010   WATERMARK: {
1011     SIZE_RATIO: 1 / 10,
1012     HORIZONTAL_MARGIN_RATIO: 1 / 20,
1013     VERTICAL_MARGIN_RATIO: 1 / 20
1014   }
1015 }
1016
1017 // ---------------------------------------------------------------------------
1018
1019 export {
1020   WEBSERVER,
1021   API_VERSION,
1022   ENCRYPTION,
1023   VIDEO_LIVE,
1024   PEERTUBE_VERSION,
1025   LAZY_STATIC_PATHS,
1026   OBJECT_STORAGE_PROXY_PATHS,
1027   SEARCH_INDEX,
1028   DIRECTORIES,
1029   RESUMABLE_UPLOAD_SESSION_LIFETIME,
1030   P2P_MEDIA_LOADER_PEER_VERSION,
1031   ACTOR_IMAGES_SIZE,
1032   ACCEPT_HEADERS,
1033   BCRYPT_SALT_SIZE,
1034   TRACKER_RATE_LIMITS,
1035   FILES_CACHE,
1036   LOG_FILENAME,
1037   CONSTRAINTS_FIELDS,
1038   EMBED_SIZE,
1039   REDUNDANCY,
1040   JOB_CONCURRENCY,
1041   JOB_ATTEMPTS,
1042   AP_CLEANER,
1043   LAST_MIGRATION_VERSION,
1044   CUSTOM_HTML_TAG_COMMENTS,
1045   STATS_TIMESERIE,
1046   BROADCAST_CONCURRENCY,
1047   AUDIT_LOG_FILENAME,
1048   PAGINATION,
1049   ACTOR_FOLLOW_SCORE,
1050   PREVIEWS_SIZE,
1051   REMOTE_SCHEME,
1052   FOLLOW_STATES,
1053   DEFAULT_USER_THEME_NAME,
1054   SERVER_ACTOR_NAME,
1055   TWO_FACTOR_AUTH_REQUEST_TOKEN_LIFETIME,
1056   PLUGIN_GLOBAL_CSS_FILE_NAME,
1057   PLUGIN_GLOBAL_CSS_PATH,
1058   PRIVATE_RSA_KEY_SIZE,
1059   VIDEO_FILTERS,
1060   ROUTE_CACHE_LIFETIME,
1061   SORTABLE_COLUMNS,
1062   JOB_TTL,
1063   DEFAULT_THEME_NAME,
1064   NSFW_POLICY_TYPES,
1065   STATIC_MAX_AGE,
1066   STATIC_PATHS,
1067   VIDEO_IMPORT_TIMEOUT,
1068   VIDEO_PLAYLIST_TYPES,
1069   MAX_LOGS_OUTPUT_CHARACTERS,
1070   ACTIVITY_PUB,
1071   ACTIVITY_PUB_ACTOR_TYPES,
1072   THUMBNAILS_SIZE,
1073   VIDEO_CATEGORIES,
1074   MEMOIZE_LENGTH,
1075   VIDEO_LANGUAGES,
1076   VIDEO_PRIVACIES,
1077   VIDEO_LICENCES,
1078   VIDEO_STATES,
1079   WORKER_THREADS,
1080   VIDEO_RATE_TYPES,
1081   JOB_PRIORITY,
1082   VIDEO_TRANSCODING_FPS,
1083   FFMPEG_NICE,
1084   ABUSE_STATES,
1085   USER_REGISTRATION_STATES,
1086   LRU_CACHE,
1087   REQUEST_TIMEOUTS,
1088   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
1089   USER_PASSWORD_RESET_LIFETIME,
1090   USER_PASSWORD_CREATE_LIFETIME,
1091   MEMOIZE_TTL,
1092   EMAIL_VERIFY_LIFETIME,
1093   OVERVIEWS,
1094   SCHEDULER_INTERVALS_MS,
1095   REPEAT_JOBS,
1096   STATIC_DOWNLOAD_PATHS,
1097   MIMETYPES,
1098   CRAWL_REQUEST_CONCURRENCY,
1099   DEFAULT_AUDIO_RESOLUTION,
1100   BINARY_CONTENT_TYPES,
1101   JOB_REMOVAL_OPTIONS,
1102   HTTP_SIGNATURE,
1103   VIDEO_IMPORT_STATES,
1104   VIDEO_CHANNEL_SYNC_STATE,
1105   VIEW_LIFETIME,
1106   CONTACT_FORM_LIFETIME,
1107   VIDEO_PLAYLIST_PRIVACIES,
1108   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
1109   ASSETS_PATH,
1110   FILES_CONTENT_HASH,
1111   OTP,
1112   loadLanguages,
1113   buildLanguages,
1114   generateContentHash
1115 }
1116
1117 // ---------------------------------------------------------------------------
1118
1119 function buildVideoMimetypeExt () {
1120   const data = {
1121     // streamable formats that warrant cross-browser compatibility
1122     'video/webm': '.webm',
1123     // We'll add .ogg if additional extensions are enabled
1124     // We could add .ogg here but since it could be an audio file,
1125     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1126     'video/ogg': [ '.ogv' ],
1127     'video/mp4': '.mp4'
1128   }
1129
1130   if (CONFIG.TRANSCODING.ENABLED) {
1131     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1132       data['video/ogg'].push('.ogg')
1133
1134       Object.assign(data, {
1135         'video/x-matroska': '.mkv',
1136
1137         // Developed by Apple
1138         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1139         'video/x-m4v': '.m4v',
1140         'video/m4v': '.m4v',
1141
1142         // Developed by the Adobe Flash Platform
1143         'video/x-flv': '.flv',
1144         'video/x-f4v': '.f4v', // replacement for flv
1145
1146         // Developed by Microsoft
1147         'video/x-ms-wmv': '.wmv',
1148         'video/x-msvideo': '.avi',
1149         'video/avi': '.avi',
1150
1151         // Developed by 3GPP
1152         // common video formats for cell phones
1153         'video/3gpp': [ '.3gp', '.3gpp' ],
1154         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1155
1156         // Developed by FFmpeg/Mplayer
1157         'application/x-nut': '.nut',
1158
1159         // The standard video format used by many Sony and Panasonic HD camcorders.
1160         // It is also used for storing high definition video on Blu-ray discs.
1161         'video/mp2t': '.mts',
1162         'video/vnd.dlna.mpeg-tts': '.mts',
1163
1164         'video/m2ts': '.m2ts',
1165
1166         // Old formats reliant on MPEG-1/MPEG-2
1167         'video/mpv': '.mpv',
1168         'video/mpeg2': '.m2v',
1169         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1170         'video/dvd': '.vob',
1171
1172         // Could be anything
1173         'application/octet-stream': null,
1174         'application/mxf': '.mxf' // often used as exchange format by editing software
1175       })
1176     }
1177
1178     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1179       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1180     }
1181   }
1182
1183   return data
1184 }
1185
1186 function updateWebserverUrls () {
1187   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1188   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1189   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1190
1191   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1192   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1193   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1194
1195   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1196   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1197
1198   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1199   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1200 }
1201
1202 function updateWebserverConfig () {
1203   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1204   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1205
1206   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1207
1208   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1209
1210   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1211 }
1212
1213 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1214   const result: { [id: string]: string } = {}
1215
1216   for (const mimetype of Object.keys(obj)) {
1217     const value = obj[mimetype]
1218     if (!value) continue
1219
1220     const extensions = Array.isArray(value) ? value : [ value ]
1221
1222     for (const extension of extensions) {
1223       result[extension] = mimetype
1224     }
1225   }
1226
1227   return result
1228 }
1229
1230 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1231   return Object.keys(obj)
1232     .map(m => `(${m})`)
1233     .join('|')
1234 }
1235
1236 function loadLanguages () {
1237   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1238 }
1239
1240 function buildLanguages () {
1241   const iso639 = require('iso-639-3')
1242
1243   const languages: { [id: string]: string } = {}
1244
1245   const additionalLanguages = {
1246     sgn: true, // Sign languages (macro language)
1247     ase: true, // American sign language
1248     asq: true, // Austrian sign language
1249     sdl: true, // Arabian sign language
1250     bfi: true, // British sign language
1251     bzs: true, // Brazilian sign language
1252     csl: true, // Chinese sign language
1253     cse: true, // Czech sign language
1254     dsl: true, // Danish sign language
1255     fsl: true, // French sign language
1256     gsg: true, // German sign language
1257     pks: true, // Pakistan sign language
1258     jsl: true, // Japanese sign language
1259     sfs: true, // South African sign language
1260     swl: true, // Swedish sign language
1261     rsl: true, // Russian sign language
1262
1263     kab: true, // Kabyle
1264
1265     lat: true, // Latin
1266
1267     epo: true, // Esperanto
1268     tlh: true, // Klingon
1269     jbo: true, // Lojban
1270     avk: true, // Kotava
1271
1272     zxx: true // No linguistic content (ISO-639-2)
1273   }
1274
1275   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1276   iso639
1277     .filter(l => {
1278       return (l.iso6391 !== undefined && l.type === 'living') ||
1279         additionalLanguages[l.iso6393] === true
1280     })
1281     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1282
1283   // Override Occitan label
1284   languages['oc'] = 'Occitan'
1285   languages['el'] = 'Greek'
1286   languages['tok'] = 'Toki Pona'
1287
1288   // Chinese languages
1289   languages['zh-Hans'] = 'Simplified Chinese'
1290   languages['zh-Hant'] = 'Traditional Chinese'
1291
1292   return languages
1293 }
1294
1295 function generateContentHash () {
1296   return randomBytes(20).toString('hex')
1297 }
1298
1299 function getIntEnv (path: string) {
1300   if (process.env[path]) return parseInt(process.env[path])
1301
1302   return undefined
1303 }