server/initializers/constants.ts

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