server/initializers/constants.ts

   1 import { CronRepeatOptions, EveryRepeatOptions } from 'bull'
   2 import { randomBytes } from 'crypto'
   3 import { invert } from 'lodash'
   4 import { join } from 'path'
   5 import { randomInt } from '../../shared/core-utils/miscs/miscs'
   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 = 640
  28
  29 // ---------------------------------------------------------------------------
  30
  31 const API_VERSION = 'v1'
  32 const PEERTUBE_VERSION: string = require(join(root(), 'package.json')).version
  33
  34 const PAGINATION = {
  35   GLOBAL: {
  36     COUNT: {
  37       DEFAULT: 15,
  38       MAX: 100
  39     }
  40   },
  41   OUTBOX: {
  42     COUNT: {
  43       MAX: 50
  44     }
  45   }
  46 }
  47
  48 const WEBSERVER = {
  49   URL: '',
  50   HOST: '',
  51   SCHEME: '',
  52   WS: '',
  53   HOSTNAME: '',
  54   PORT: 0,
  55   RTMP_URL: ''
  56 }
  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   'activitypub-cleaner': 1,
 141   'video-file-import': 1,
 142   'video-transcoding': 1,
 143   'video-import': 1,
 144   'email': 5,
 145   'actor-keys': 3,
 146   'videos-views': 1,
 147   'activitypub-refresher': 1,
 148   'video-redundancy': 1,
 149   'video-live-ending': 1
 150 }
 151 // Excluded keys are jobs that can be configured by admins
 152 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 153   'activitypub-http-broadcast': 1,
 154   'activitypub-http-unicast': 5,
 155   'activitypub-http-fetcher': 1,
 156   'activitypub-cleaner': 1,
 157   'activitypub-follow': 1,
 158   'video-file-import': 1,
 159   'email': 5,
 160   'actor-keys': 1,
 161   'videos-views': 1,
 162   'activitypub-refresher': 1,
 163   'video-redundancy': 1,
 164   'video-live-ending': 10
 165 }
 166 const JOB_TTL: { [id in JobType]: number } = {
 167   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 168   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 169   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 170   'activitypub-follow': 60000 * 10, // 10 minutes
 171   'activitypub-cleaner': 1000 * 3600, // 1 hour
 172   'video-file-import': 1000 * 3600, // 1 hour
 173   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 174   'video-import': 1000 * 3600 * 2, // 2 hours
 175   'email': 60000 * 10, // 10 minutes
 176   'actor-keys': 60000 * 20, // 20 minutes
 177   'videos-views': undefined, // Unlimited
 178   'activitypub-refresher': 60000 * 10, // 10 minutes
 179   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 180   'video-live-ending': 1000 * 60 * 10 // 10 minutes
 181 }
 182 const REPEAT_JOBS: { [ id: string ]: EveryRepeatOptions | CronRepeatOptions } = {
 183   'videos-views': {
 184     cron: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 185   },
 186   'activitypub-cleaner': {
 187     cron: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 188   }
 189 }
 190 const JOB_PRIORITY = {
 191   TRANSCODING: {
 192     OPTIMIZER: 10,
 193     NEW_RESOLUTION: 100
 194   }
 195 }
 196
 197 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 198 const AP_CLEANER_CONCURRENCY = 10 // How many requests in parallel we do in activitypub-cleaner job
 199 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 200 const REQUEST_TIMEOUT = 7000 // 7 seconds
 201 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 202 const VIDEO_IMPORT_TIMEOUT = 1000 * 3600 // 1 hour
 203
 204 const SCHEDULER_INTERVALS_MS = {
 205   actorFollowScores: 60000 * 60, // 1 hour
 206   removeOldJobs: 60000 * 60, // 1 hour
 207   updateVideos: 60000, // 1 minute
 208   youtubeDLUpdate: 60000 * 60 * 24, // 1 day
 209   checkPlugins: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 210   checkPeerTubeVersion: 60000 * 60 * 24, // 1 day
 211   autoFollowIndexInstances: 60000 * 60 * 24, // 1 day
 212   removeOldViews: 60000 * 60 * 24, // 1 day
 213   removeOldHistory: 60000 * 60 * 24, // 1 day
 214   updateInboxStats: 1000 * 60// 1 minute
 215 }
 216
 217 // ---------------------------------------------------------------------------
 218
 219 const CONSTRAINTS_FIELDS = {
 220   USERS: {
 221     NAME: { min: 1, max: 120 }, // Length
 222     DESCRIPTION: { min: 3, max: 1000 }, // Length
 223     USERNAME: { min: 1, max: 50 }, // Length
 224     PASSWORD: { min: 6, max: 255 }, // Length
 225     VIDEO_QUOTA: { min: -1 },
 226     VIDEO_QUOTA_DAILY: { min: -1 },
 227     VIDEO_LANGUAGES: { max: 500 }, // Array length
 228     BLOCKED_REASON: { min: 3, max: 250 } // Length
 229   },
 230   ABUSES: {
 231     REASON: { min: 2, max: 3000 }, // Length
 232     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 233   },
 234   ABUSE_MESSAGES: {
 235     MESSAGE: { min: 2, max: 3000 } // Length
 236   },
 237   VIDEO_BLACKLIST: {
 238     REASON: { min: 2, max: 300 } // Length
 239   },
 240   VIDEO_CHANNELS: {
 241     NAME: { min: 1, max: 120 }, // Length
 242     DESCRIPTION: { min: 3, max: 1000 }, // Length
 243     SUPPORT: { min: 3, max: 1000 }, // Length
 244     URL: { min: 3, max: 2000 } // Length
 245   },
 246   VIDEO_CAPTIONS: {
 247     CAPTION_FILE: {
 248       EXTNAME: [ '.vtt', '.srt' ],
 249       FILE_SIZE: {
 250         max: 2 * 1024 * 1024 // 2MB
 251       }
 252     }
 253   },
 254   VIDEO_IMPORTS: {
 255     URL: { min: 3, max: 2000 }, // Length
 256     TORRENT_NAME: { min: 3, max: 255 }, // Length
 257     TORRENT_FILE: {
 258       EXTNAME: [ '.torrent' ],
 259       FILE_SIZE: {
 260         max: 1024 * 200 // 200 KB
 261       }
 262     }
 263   },
 264   VIDEOS_REDUNDANCY: {
 265     URL: { min: 3, max: 2000 } // Length
 266   },
 267   VIDEO_RATES: {
 268     URL: { min: 3, max: 2000 } // Length
 269   },
 270   VIDEOS: {
 271     NAME: { min: 3, max: 120 }, // Length
 272     LANGUAGE: { min: 1, max: 10 }, // Length
 273     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 274     DESCRIPTION: { min: 3, max: 10000 }, // Length
 275     SUPPORT: { min: 3, max: 1000 }, // Length
 276     IMAGE: {
 277       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 278       FILE_SIZE: {
 279         max: 2 * 1024 * 1024 // 2MB
 280       }
 281     },
 282     EXTNAME: [] as string[],
 283     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 284     DURATION: { min: 0 }, // Number
 285     TAGS: { min: 0, max: 5 }, // Number of total tags
 286     TAG: { min: 2, max: 30 }, // Length
 287     VIEWS: { min: 0 },
 288     LIKES: { min: 0 },
 289     DISLIKES: { min: 0 },
 290     FILE_SIZE: { min: -1 },
 291     URL: { min: 3, max: 2000 } // Length
 292   },
 293   VIDEO_PLAYLISTS: {
 294     NAME: { min: 1, max: 120 }, // Length
 295     DESCRIPTION: { min: 3, max: 1000 }, // Length
 296     URL: { min: 3, max: 2000 }, // Length
 297     IMAGE: {
 298       EXTNAME: [ '.jpg', '.jpeg' ],
 299       FILE_SIZE: {
 300         max: 2 * 1024 * 1024 // 2MB
 301       }
 302     }
 303   },
 304   ACTORS: {
 305     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 306     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 307     URL: { min: 3, max: 2000 }, // Length
 308     IMAGE: {
 309       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 310       FILE_SIZE: {
 311         max: 2 * 1024 * 1024 // 2MB
 312       }
 313     }
 314   },
 315   VIDEO_EVENTS: {
 316     COUNT: { min: 0 }
 317   },
 318   VIDEO_COMMENTS: {
 319     TEXT: { min: 1, max: 10000 }, // Length
 320     URL: { min: 3, max: 2000 } // Length
 321   },
 322   VIDEO_SHARE: {
 323     URL: { min: 3, max: 2000 } // Length
 324   },
 325   CONTACT_FORM: {
 326     FROM_NAME: { min: 1, max: 120 }, // Length
 327     BODY: { min: 3, max: 5000 } // Length
 328   },
 329   PLUGINS: {
 330     NAME: { min: 1, max: 214 }, // Length
 331     DESCRIPTION: { min: 1, max: 20000 } // Length
 332   },
 333   COMMONS: {
 334     URL: { min: 5, max: 2000 } // Length
 335   }
 336 }
 337
 338 const VIEW_LIFETIME = {
 339   VIDEO: 60000 * 60, // 1 hour
 340   LIVE: 60000 * 5 // 5 minutes
 341 }
 342
 343 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 344
 345 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 346   MIN: 10,
 347   STANDARD: [ 24, 25, 30 ],
 348   HD_STANDARD: [ 50, 60 ],
 349   AVERAGE: 30,
 350   MAX: 60,
 351   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 352 }
 353
 354 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 355
 356 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 357   LIKE: 'like',
 358   DISLIKE: 'dislike'
 359 }
 360
 361 const FFMPEG_NICE: { [ id: string ]: number } = {
 362   // parent process defaults to niceness = 0
 363   // reminder: lower = higher priority, max value is 19, lowest is -20
 364   LIVE: 5, // prioritize over VOD and THUMBNAIL
 365   THUMBNAIL: 10,
 366   VOD: 15
 367 }
 368
 369 const VIDEO_CATEGORIES = {
 370   1: 'Music',
 371   2: 'Films',
 372   3: 'Vehicles',
 373   4: 'Art',
 374   5: 'Sports',
 375   6: 'Travels',
 376   7: 'Gaming',
 377   8: 'People',
 378   9: 'Comedy',
 379   10: 'Entertainment',
 380   11: 'News & Politics',
 381   12: 'How To',
 382   13: 'Education',
 383   14: 'Activism',
 384   15: 'Science & Technology',
 385   16: 'Animals',
 386   17: 'Kids',
 387   18: 'Food'
 388 }
 389
 390 // See https://creativecommons.org/licenses/?lang=en
 391 const VIDEO_LICENCES = {
 392   1: 'Attribution',
 393   2: 'Attribution - Share Alike',
 394   3: 'Attribution - No Derivatives',
 395   4: 'Attribution - Non Commercial',
 396   5: 'Attribution - Non Commercial - Share Alike',
 397   6: 'Attribution - Non Commercial - No Derivatives',
 398   7: 'Public Domain Dedication'
 399 }
 400
 401 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 402
 403 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 404   [VideoPrivacy.PUBLIC]: 'Public',
 405   [VideoPrivacy.UNLISTED]: 'Unlisted',
 406   [VideoPrivacy.PRIVATE]: 'Private',
 407   [VideoPrivacy.INTERNAL]: 'Internal'
 408 }
 409
 410 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 411   [VideoState.PUBLISHED]: 'Published',
 412   [VideoState.TO_TRANSCODE]: 'To transcode',
 413   [VideoState.TO_IMPORT]: 'To import',
 414   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 415   [VideoState.LIVE_ENDED]: 'Livestream ended'
 416 }
 417
 418 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 419   [VideoImportState.FAILED]: 'Failed',
 420   [VideoImportState.PENDING]: 'Pending',
 421   [VideoImportState.SUCCESS]: 'Success',
 422   [VideoImportState.REJECTED]: 'Rejected'
 423 }
 424
 425 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 426   [AbuseState.PENDING]: 'Pending',
 427   [AbuseState.REJECTED]: 'Rejected',
 428   [AbuseState.ACCEPTED]: 'Accepted'
 429 }
 430
 431 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 432   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 433   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 434   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 435 }
 436
 437 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 438   [VideoPlaylistType.REGULAR]: 'Regular',
 439   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 440 }
 441
 442 const MIMETYPES = {
 443   AUDIO: {
 444     MIMETYPE_EXT: {
 445       'audio/mpeg': '.mp3',
 446       'audio/mp3': '.mp3',
 447       'application/ogg': '.ogg',
 448       'audio/ogg': '.ogg',
 449       'audio/x-ms-wma': '.wma',
 450       'audio/wav': '.wav',
 451       'audio/x-flac': '.flac',
 452       'audio/flac': '.flac',
 453       '‎audio/aac': '.aac',
 454       'audio/m4a': '.m4a',
 455       'audio/mp4': '.m4a',
 456       'audio/x-m4a': '.m4a',
 457       'audio/ac3': '.ac3'
 458     },
 459     EXT_MIMETYPE: null as { [ id: string ]: string }
 460   },
 461   VIDEO: {
 462     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 463     MIMETYPES_REGEX: null as string,
 464     EXT_MIMETYPE: null as { [ id: string ]: string }
 465   },
 466   IMAGE: {
 467     MIMETYPE_EXT: {
 468       'image/png': '.png',
 469       'image/gif': '.gif',
 470       'image/webp': '.webp',
 471       'image/jpg': '.jpg',
 472       'image/jpeg': '.jpg'
 473     },
 474     EXT_MIMETYPE: null as { [ id: string ]: string }
 475   },
 476   VIDEO_CAPTIONS: {
 477     MIMETYPE_EXT: {
 478       'text/vtt': '.vtt',
 479       'application/x-subrip': '.srt',
 480       'text/plain': '.srt'
 481     }
 482   },
 483   TORRENT: {
 484     MIMETYPE_EXT: {
 485       'application/x-bittorrent': '.torrent'
 486     }
 487   }
 488 }
 489 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 490 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 491
 492 // ---------------------------------------------------------------------------
 493
 494 const OVERVIEWS = {
 495   VIDEOS: {
 496     SAMPLE_THRESHOLD: 6,
 497     SAMPLES_COUNT: 20
 498   }
 499 }
 500
 501 const VIDEO_CHANNELS = {
 502   MAX_PER_USER: 20
 503 }
 504
 505 // ---------------------------------------------------------------------------
 506
 507 const SERVER_ACTOR_NAME = 'peertube'
 508
 509 const ACTIVITY_PUB = {
 510   POTENTIAL_ACCEPT_HEADERS: [
 511     'application/activity+json',
 512     'application/ld+json',
 513     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 514   ],
 515   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 516   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 517   COLLECTION_ITEMS_PER_PAGE: 10,
 518   FETCH_PAGE_LIMIT: 2000,
 519   URL_MIME_TYPES: {
 520     VIDEO: [] as string[],
 521     TORRENT: [ 'application/x-bittorrent' ],
 522     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 523   },
 524   MAX_RECURSION_COMMENTS: 100,
 525   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 526   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 527   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 528 }
 529
 530 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 531   GROUP: 'Group',
 532   PERSON: 'Person',
 533   APPLICATION: 'Application',
 534   ORGANIZATION: 'Organization',
 535   SERVICE: 'Service'
 536 }
 537
 538 const HTTP_SIGNATURE = {
 539   HEADER_NAME: 'signature',
 540   ALGORITHM: 'rsa-sha256',
 541   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 542   REQUIRED_HEADERS: {
 543     ALL: [ '(request-target)', 'host', 'date' ],
 544     POST: [ '(request-target)', 'host', 'date', 'digest' ]
 545   },
 546   CLOCK_SKEW_SECONDS: 1800
 547 }
 548
 549 // ---------------------------------------------------------------------------
 550
 551 let PRIVATE_RSA_KEY_SIZE = 2048
 552
 553 // Password encryption
 554 const BCRYPT_SALT_SIZE = 10
 555
 556 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 557 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 558
 559 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 560
 561 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 562   DO_NOT_LIST: 'do_not_list',
 563   BLUR: 'blur',
 564   DISPLAY: 'display'
 565 }
 566
 567 // ---------------------------------------------------------------------------
 568
 569 // Express static paths (router)
 570 const STATIC_PATHS = {
 571   THUMBNAILS: '/static/thumbnails/',
 572   TORRENTS: '/static/torrents/',
 573   WEBSEED: '/static/webseed/',
 574   REDUNDANCY: '/static/redundancy/',
 575   STREAMING_PLAYLISTS: {
 576     HLS: '/static/streaming-playlists/hls'
 577   }
 578 }
 579 const STATIC_DOWNLOAD_PATHS = {
 580   TORRENTS: '/download/torrents/',
 581   VIDEOS: '/download/videos/',
 582   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 583 }
 584 const LAZY_STATIC_PATHS = {
 585   BANNERS: '/lazy-static/banners/',
 586   AVATARS: '/lazy-static/avatars/',
 587   PREVIEWS: '/lazy-static/previews/',
 588   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 589   TORRENTS: '/lazy-static/torrents/'
 590 }
 591
 592 // Cache control
 593 const STATIC_MAX_AGE = {
 594   SERVER: '2h',
 595   LAZY_SERVER: '2d',
 596   CLIENT: '30d'
 597 }
 598
 599 // Videos thumbnail size
 600 const THUMBNAILS_SIZE = {
 601   width: 280,
 602   height: 157,
 603   minWidth: 150
 604 }
 605 const PREVIEWS_SIZE = {
 606   width: 850,
 607   height: 480,
 608   minWidth: 400
 609 }
 610 const ACTOR_IMAGES_SIZE = {
 611   AVATARS: {
 612     width: 120,
 613     height: 120
 614   },
 615   BANNERS: {
 616     width: 1920,
 617     height: 317 // 6/1 ratio
 618   }
 619 }
 620
 621 const EMBED_SIZE = {
 622   width: 560,
 623   height: 315
 624 }
 625
 626 // Sub folders of cache directory
 627 const FILES_CACHE = {
 628   PREVIEWS: {
 629     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 630     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 631   },
 632   VIDEO_CAPTIONS: {
 633     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 634     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 635   },
 636   TORRENTS: {
 637     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 638     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 639   }
 640 }
 641
 642 const LRU_CACHE = {
 643   USER_TOKENS: {
 644     MAX_SIZE: 1000
 645   },
 646   ACTOR_IMAGE_STATIC: {
 647     MAX_SIZE: 500
 648   }
 649 }
 650
 651 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 652 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 653
 654 const VIDEO_LIVE = {
 655   EXTENSION: '.ts',
 656   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 657   SEGMENT_TIME_SECONDS: 4, // 4 seconds
 658   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 659   REPLAY_DIRECTORY: 'replay',
 660   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 661   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 662   RTMP: {
 663     CHUNK_SIZE: 60000,
 664     GOP_CACHE: true,
 665     PING: 60,
 666     PING_TIMEOUT: 30,
 667     BASE_PATH: 'live'
 668   }
 669 }
 670
 671 const MEMOIZE_TTL = {
 672   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 673   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 674   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 675   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60 // 1 minute
 676 }
 677
 678 const MEMOIZE_LENGTH = {
 679   INFO_HASH_EXISTS: 200
 680 }
 681
 682 const QUEUE_CONCURRENCY = {
 683   ACTOR_PROCESS_IMAGE: 3
 684 }
 685
 686 const REDUNDANCY = {
 687   VIDEOS: {
 688     RANDOMIZED_FACTOR: 5
 689   }
 690 }
 691
 692 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 693
 694 const ASSETS_PATH = {
 695   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 696   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 697 }
 698
 699 // ---------------------------------------------------------------------------
 700
 701 const CUSTOM_HTML_TAG_COMMENTS = {
 702   TITLE: '<!-- title tag -->',
 703   DESCRIPTION: '<!-- description tag -->',
 704   CUSTOM_CSS: '<!-- custom css tag -->',
 705   META_TAGS: '<!-- meta tags -->'
 706 }
 707
 708 // ---------------------------------------------------------------------------
 709
 710 const FEEDS = {
 711   COUNT: 20
 712 }
 713
 714 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 715 const LOG_FILENAME = 'peertube.log'
 716 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 717
 718 // ---------------------------------------------------------------------------
 719
 720 const TRACKER_RATE_LIMITS = {
 721   INTERVAL: 60000 * 5, // 5 minutes
 722   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 723   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 724   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 725 }
 726
 727 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 728
 729 // ---------------------------------------------------------------------------
 730
 731 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 732 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 733
 734 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 735
 736 const DEFAULT_THEME_NAME = 'default'
 737 const DEFAULT_USER_THEME_NAME = 'instance-default'
 738
 739 // ---------------------------------------------------------------------------
 740
 741 const SEARCH_INDEX = {
 742   ROUTES: {
 743     VIDEOS: '/api/v1/search/videos',
 744     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 745   }
 746 }
 747
 748 // ---------------------------------------------------------------------------
 749
 750 // Special constants for a test instance
 751 if (isTestInstance() === true) {
 752   PRIVATE_RSA_KEY_SIZE = 1024
 753
 754   ACTOR_FOLLOW_SCORE.BASE = 20
 755
 756   REMOTE_SCHEME.HTTP = 'http'
 757   REMOTE_SCHEME.WS = 'ws'
 758
 759   STATIC_MAX_AGE.SERVER = '0'
 760
 761   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 762   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 763   ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 764   ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 765
 766   CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 767   CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 768
 769   SCHEDULER_INTERVALS_MS.actorFollowScores = 1000
 770   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 771   SCHEDULER_INTERVALS_MS.removeOldHistory = 5000
 772   SCHEDULER_INTERVALS_MS.removeOldViews = 5000
 773   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 774   SCHEDULER_INTERVALS_MS.autoFollowIndexInstances = 5000
 775   SCHEDULER_INTERVALS_MS.updateInboxStats = 5000
 776   SCHEDULER_INTERVALS_MS.checkPeerTubeVersion = 2000
 777   REPEAT_JOBS['videos-views'] = { every: 5000 }
 778   REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 779
 780   REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 781
 782   VIEW_LIFETIME.VIDEO = 1000 // 1 second
 783   VIEW_LIFETIME.LIVE = 1000 * 5 // 5 second
 784   CONTACT_FORM_LIFETIME = 1000 // 1 second
 785
 786   JOB_ATTEMPTS['email'] = 1
 787
 788   FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 789   MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 790   MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 791   OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 792
 793   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 794
 795   VIDEO_LIVE.CLEANUP_DELAY = 5000
 796   VIDEO_LIVE.SEGMENT_TIME_SECONDS = 2
 797   VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 798 }
 799
 800 updateWebserverUrls()
 801 updateWebserverConfig()
 802
 803 registerConfigChangedHandler(() => {
 804   updateWebserverUrls()
 805   updateWebserverConfig()
 806 })
 807
 808 // ---------------------------------------------------------------------------
 809
 810 const FILES_CONTENT_HASH = {
 811   MANIFEST: generateContentHash(),
 812   FAVICON: generateContentHash(),
 813   LOGO: generateContentHash()
 814 }
 815
 816 // ---------------------------------------------------------------------------
 817
 818 export {
 819   WEBSERVER,
 820   API_VERSION,
 821   VIDEO_LIVE,
 822   PEERTUBE_VERSION,
 823   LAZY_STATIC_PATHS,
 824   SEARCH_INDEX,
 825   HLS_REDUNDANCY_DIRECTORY,
 826   P2P_MEDIA_LOADER_PEER_VERSION,
 827   ACTOR_IMAGES_SIZE,
 828   ACCEPT_HEADERS,
 829   BCRYPT_SALT_SIZE,
 830   TRACKER_RATE_LIMITS,
 831   FILES_CACHE,
 832   LOG_FILENAME,
 833   CONSTRAINTS_FIELDS,
 834   EMBED_SIZE,
 835   REDUNDANCY,
 836   JOB_CONCURRENCY,
 837   JOB_ATTEMPTS,
 838   AP_CLEANER_CONCURRENCY,
 839   LAST_MIGRATION_VERSION,
 840   OAUTH_LIFETIME,
 841   CUSTOM_HTML_TAG_COMMENTS,
 842   BROADCAST_CONCURRENCY,
 843   AUDIT_LOG_FILENAME,
 844   PAGINATION,
 845   ACTOR_FOLLOW_SCORE,
 846   PREVIEWS_SIZE,
 847   REMOTE_SCHEME,
 848   FOLLOW_STATES,
 849   DEFAULT_USER_THEME_NAME,
 850   SERVER_ACTOR_NAME,
 851   PLUGIN_GLOBAL_CSS_FILE_NAME,
 852   PLUGIN_GLOBAL_CSS_PATH,
 853   PRIVATE_RSA_KEY_SIZE,
 854   ROUTE_CACHE_LIFETIME,
 855   SORTABLE_COLUMNS,
 856   HLS_STREAMING_PLAYLIST_DIRECTORY,
 857   FEEDS,
 858   JOB_TTL,
 859   DEFAULT_THEME_NAME,
 860   NSFW_POLICY_TYPES,
 861   STATIC_MAX_AGE,
 862   STATIC_PATHS,
 863   VIDEO_IMPORT_TIMEOUT,
 864   VIDEO_PLAYLIST_TYPES,
 865   MAX_LOGS_OUTPUT_CHARACTERS,
 866   ACTIVITY_PUB,
 867   ACTIVITY_PUB_ACTOR_TYPES,
 868   THUMBNAILS_SIZE,
 869   VIDEO_CATEGORIES,
 870   MEMOIZE_LENGTH,
 871   VIDEO_LANGUAGES,
 872   VIDEO_PRIVACIES,
 873   VIDEO_LICENCES,
 874   VIDEO_STATES,
 875   QUEUE_CONCURRENCY,
 876   VIDEO_RATE_TYPES,
 877   JOB_PRIORITY,
 878   VIDEO_TRANSCODING_FPS,
 879   FFMPEG_NICE,
 880   ABUSE_STATES,
 881   VIDEO_CHANNELS,
 882   LRU_CACHE,
 883   REQUEST_TIMEOUT,
 884   USER_PASSWORD_RESET_LIFETIME,
 885   USER_PASSWORD_CREATE_LIFETIME,
 886   MEMOIZE_TTL,
 887   USER_EMAIL_VERIFY_LIFETIME,
 888   OVERVIEWS,
 889   SCHEDULER_INTERVALS_MS,
 890   REPEAT_JOBS,
 891   STATIC_DOWNLOAD_PATHS,
 892   MIMETYPES,
 893   CRAWL_REQUEST_CONCURRENCY,
 894   DEFAULT_AUDIO_RESOLUTION,
 895   JOB_COMPLETED_LIFETIME,
 896   HTTP_SIGNATURE,
 897   VIDEO_IMPORT_STATES,
 898   VIEW_LIFETIME,
 899   CONTACT_FORM_LIFETIME,
 900   VIDEO_PLAYLIST_PRIVACIES,
 901   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
 902   ASSETS_PATH,
 903   FILES_CONTENT_HASH,
 904   loadLanguages,
 905   buildLanguages,
 906   generateContentHash
 907 }
 908
 909 // ---------------------------------------------------------------------------
 910
 911 function buildVideoMimetypeExt () {
 912   const data = {
 913     // streamable formats that warrant cross-browser compatibility
 914     'video/webm': '.webm',
 915     // We'll add .ogg if additional extensions are enabled
 916     // We could add .ogg here but since it could be an audio file,
 917     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
 918     'video/ogg': [ '.ogv' ],
 919     'video/mp4': '.mp4'
 920   }
 921
 922   if (CONFIG.TRANSCODING.ENABLED) {
 923     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
 924       data['video/ogg'].push('.ogg')
 925
 926       Object.assign(data, {
 927         'video/x-matroska': '.mkv',
 928
 929         // Developed by Apple
 930         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
 931         'video/x-m4v': '.m4v',
 932         'video/m4v': '.m4v',
 933
 934         // Developed by the Adobe Flash Platform
 935         'video/x-flv': '.flv',
 936         'video/x-f4v': '.f4v', // replacement for flv
 937
 938         // Developed by Microsoft
 939         'video/x-ms-wmv': '.wmv',
 940         'video/x-msvideo': '.avi',
 941         'video/avi': '.avi',
 942
 943         // Developed by 3GPP
 944         // common video formats for cell phones
 945         'video/3gpp': [ '.3gp', '.3gpp' ],
 946         'video/3gpp2': [ '.3g2', '.3gpp2' ],
 947
 948         // Developed by FFmpeg/Mplayer
 949         'application/x-nut': '.nut',
 950
 951         // The standard video format used by many Sony and Panasonic HD camcorders.
 952         // It is also used for storing high definition video on Blu-ray discs.
 953         'video/mp2t': '.mts',
 954         'video/m2ts': '.m2ts',
 955
 956         // Old formats reliant on MPEG-1/MPEG-2
 957         'video/mpv': '.mpv',
 958         'video/mpeg2': '.m2v',
 959         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
 960         'video/dvd': '.vob',
 961
 962         // Could be anything
 963         'application/octet-stream': null,
 964         'application/mxf': '.mxf' // often used as exchange format by editing software
 965       })
 966     }
 967
 968     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
 969       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
 970     }
 971   }
 972
 973   return data
 974 }
 975
 976 function updateWebserverUrls () {
 977   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 978   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 979   WEBSERVER.WS = CONFIG.WEBSERVER.WS
 980
 981   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
 982   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
 983   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
 984
 985   WEBSERVER.RTMP_URL = 'rtmp://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
 986 }
 987
 988 function updateWebserverConfig () {
 989   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
 990   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
 991
 992   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
 993
 994   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
 995
 996   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
 997 }
 998
 999 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1000   const result: { [id: string]: string } = {}
1001
1002   for (const mimetype of Object.keys(obj)) {
1003     const value = obj[mimetype]
1004     if (!value) continue
1005
1006     const extensions = Array.isArray(value) ? value : [ value ]
1007
1008     for (const extension of extensions) {
1009       result[extension] = mimetype
1010     }
1011   }
1012
1013   return result
1014 }
1015
1016 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1017   return Object.keys(obj)
1018     .map(m => `(${m})`)
1019     .join('|')
1020 }
1021
1022 function loadLanguages () {
1023   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1024 }
1025
1026 function buildLanguages () {
1027   const iso639 = require('iso-639-3')
1028
1029   const languages: { [id: string]: string } = {}
1030
1031   const additionalLanguages = {
1032     sgn: true, // Sign languages (macro language)
1033     ase: true, // American sign language
1034     sdl: true, // Arabian sign language
1035     bfi: true, // British sign language
1036     bzs: true, // Brazilian sign language
1037     csl: true, // Chinese sign language
1038     cse: true, // Czech sign language
1039     dsl: true, // Danish sign language
1040     fsl: true, // French sign language
1041     gsg: true, // German sign language
1042     pks: true, // Pakistan sign language
1043     jsl: true, // Japanese sign language
1044     sfs: true, // South African sign language
1045     swl: true, // Swedish sign language
1046     rsl: true, // Russian sign language
1047
1048     kab: true, // Kabyle
1049
1050     epo: true, // Esperanto
1051     tlh: true, // Klingon
1052     jbo: true, // Lojban
1053     avk: true // Kotava
1054   }
1055
1056   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1057   iso639
1058     .filter(l => {
1059       return (l.iso6391 !== undefined && l.type === 'living') ||
1060         additionalLanguages[l.iso6393] === true
1061     })
1062     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1063
1064   // Override Occitan label
1065   languages['oc'] = 'Occitan'
1066   languages['el'] = 'Greek'
1067
1068   return languages
1069 }
1070
1071 function generateContentHash () {
1072   return randomBytes(20).toString('hex')
1073 }