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