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, root } from '@shared/core-utils'
   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 { ActorImageType, 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, isTestOrDevInstance, parseDurationToMs, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
  23 import { CONFIG, registerConfigChangedHandler } from './config'
  24
  25 // ---------------------------------------------------------------------------
  26
  27 const LAST_MIGRATION_VERSION = 720
  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   RTMPS_URL: ''
  57 }
  58
  59 // Sortable columns per schema
  60 const SORTABLE_COLUMNS = {
  61   ADMIN_USERS: [ 'id', 'username', 'videoQuotaUsed', 'createdAt', 'lastLoginDate', 'role' ],
  62   USER_SUBSCRIPTIONS: [ 'id', 'createdAt' ],
  63   ACCOUNTS: [ 'createdAt' ],
  64   JOBS: [ 'createdAt' ],
  65   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  66   VIDEO_IMPORTS: [ 'createdAt' ],
  67
  68   VIDEO_COMMENT_THREADS: [ 'createdAt', 'totalReplies' ],
  69   VIDEO_COMMENTS: [ 'createdAt' ],
  70
  71   VIDEO_RATES: [ 'createdAt' ],
  72   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  73
  74   INSTANCE_FOLLOWERS: [ 'createdAt', 'state', 'score' ],
  75   INSTANCE_FOLLOWING: [ 'createdAt', 'redundancyAllowed', 'state' ],
  76   ACCOUNT_FOLLOWERS: [ 'createdAt' ],
  77   CHANNEL_FOLLOWERS: [ 'createdAt' ],
  78
  79   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'trending', 'hot', 'best' ],
  80
  81   // Don't forget to update peertube-search-index with the same values
  82   VIDEOS_SEARCH: [ 'name', 'duration', 'createdAt', 'publishedAt', 'originallyPublishedAt', 'views', 'likes', 'match' ],
  83   VIDEO_CHANNELS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  84   VIDEO_PLAYLISTS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  85
  86   ABUSES: [ 'id', 'createdAt', 'state' ],
  87
  88   ACCOUNTS_BLOCKLIST: [ 'createdAt' ],
  89   SERVERS_BLOCKLIST: [ 'createdAt' ],
  90
  91   USER_NOTIFICATIONS: [ 'createdAt', 'read' ],
  92
  93   VIDEO_PLAYLISTS: [ 'name', 'displayName', 'createdAt', 'updatedAt' ],
  94
  95   PLUGINS: [ 'name', 'createdAt', 'updatedAt' ],
  96
  97   AVAILABLE_PLUGINS: [ 'npmName', 'popularity' ],
  98
  99   VIDEO_REDUNDANCIES: [ 'name' ]
 100 }
 101
 102 const OAUTH_LIFETIME = {
 103   ACCESS_TOKEN: 3600 * 24, // 1 day, for upload
 104   REFRESH_TOKEN: 1209600 // 2 weeks
 105 }
 106
 107 const ROUTE_CACHE_LIFETIME = {
 108   FEEDS: '15 minutes',
 109   ROBOTS: '2 hours',
 110   SITEMAP: '1 day',
 111   SECURITYTXT: '2 hours',
 112   NODEINFO: '10 minutes',
 113   DNT_POLICY: '1 week',
 114   ACTIVITY_PUB: {
 115     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
 116   },
 117   STATS: '4 hours'
 118 }
 119
 120 // ---------------------------------------------------------------------------
 121
 122 // Number of points we add/remove after a successful/bad request
 123 const ACTOR_FOLLOW_SCORE = {
 124   PENALTY: -10,
 125   BONUS: 10,
 126   BASE: 1000,
 127   MAX: 10000
 128 }
 129
 130 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
 131   PENDING: 'pending',
 132   ACCEPTED: 'accepted',
 133   REJECTED: 'rejected'
 134 }
 135
 136 const REMOTE_SCHEME = {
 137   HTTP: 'https',
 138   WS: 'wss'
 139 }
 140
 141 const JOB_ATTEMPTS: { [id in JobType]: number } = {
 142   'activitypub-http-broadcast': 1,
 143   'activitypub-http-broadcast-parallel': 1,
 144   'activitypub-http-unicast': 1,
 145   'activitypub-http-fetcher': 2,
 146   'activitypub-follow': 5,
 147   'activitypub-cleaner': 1,
 148   'video-file-import': 1,
 149   'video-transcoding': 1,
 150   'video-import': 1,
 151   'email': 5,
 152   'actor-keys': 3,
 153   'videos-views-stats': 1,
 154   'activitypub-refresher': 1,
 155   'video-redundancy': 1,
 156   'video-live-ending': 1,
 157   'video-studio-edition': 1,
 158   'manage-video-torrent': 1,
 159   'move-to-object-storage': 3
 160 }
 161 // Excluded keys are jobs that can be configured by admins
 162 const JOB_CONCURRENCY: { [id in Exclude<JobType, 'video-transcoding' | 'video-import'>]: number } = {
 163   'activitypub-http-broadcast': 1,
 164   'activitypub-http-broadcast-parallel': 30,
 165   'activitypub-http-unicast': 10,
 166   'activitypub-http-fetcher': 3,
 167   'activitypub-cleaner': 1,
 168   'activitypub-follow': 1,
 169   'video-file-import': 1,
 170   'email': 5,
 171   'actor-keys': 1,
 172   'videos-views-stats': 1,
 173   'activitypub-refresher': 1,
 174   'video-redundancy': 1,
 175   'video-live-ending': 10,
 176   'video-studio-edition': 1,
 177   'manage-video-torrent': 1,
 178   'move-to-object-storage': 1
 179 }
 180 const JOB_TTL: { [id in JobType]: number } = {
 181   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 182   'activitypub-http-broadcast-parallel': 60000 * 10, // 10 minutes
 183   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 184   'activitypub-http-fetcher': 1000 * 3600 * 10, // 10 hours
 185   'activitypub-follow': 60000 * 10, // 10 minutes
 186   'activitypub-cleaner': 1000 * 3600, // 1 hour
 187   'video-file-import': 1000 * 3600, // 1 hour
 188   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 189   'video-studio-edition': 1000 * 3600 * 10, // 10 hours
 190   'video-import': CONFIG.IMPORT.VIDEOS.TIMEOUT,
 191   'email': 60000 * 10, // 10 minutes
 192   'actor-keys': 60000 * 20, // 20 minutes
 193   'videos-views-stats': undefined, // Unlimited
 194   'activitypub-refresher': 60000 * 10, // 10 minutes
 195   'video-redundancy': 1000 * 3600 * 3, // 3 hours
 196   'video-live-ending': 1000 * 60 * 10, // 10 minutes
 197   'manage-video-torrent': 1000 * 3600 * 3, // 3 hours
 198   'move-to-object-storage': 1000 * 60 * 60 * 3 // 3 hours
 199 }
 200 const REPEAT_JOBS: { [ id in JobType ]?: EveryRepeatOptions | CronRepeatOptions } = {
 201   'videos-views-stats': {
 202     cron: randomInt(1, 20) + ' * * * *' // Between 1-20 minutes past the hour
 203   },
 204   'activitypub-cleaner': {
 205     cron: '30 5 * * ' + randomInt(0, 7) // 1 time per week (random day) at 5:30 AM
 206   }
 207 }
 208 const JOB_PRIORITY = {
 209   TRANSCODING: 100
 210 }
 211
 212 const BROADCAST_CONCURRENCY = 30 // How many requests in parallel we do in activitypub-http-broadcast job
 213 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 214
 215 const AP_CLEANER = {
 216   CONCURRENCY: 10, // How many requests in parallel we do in activitypub-cleaner job
 217   UNAVAILABLE_TRESHOLD: 3, // How many attempts we do before removing an unavailable remote resource
 218   PERIOD: parseDurationToMs('1 week') // /!\ Has to be sync with REPEAT_JOBS
 219 }
 220
 221 const REQUEST_TIMEOUTS = {
 222   DEFAULT: 7000, // 7 seconds
 223   FILE: 30000, // 30 seconds
 224   REDUNDANCY: JOB_TTL['video-redundancy']
 225 }
 226
 227 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 228 const VIDEO_IMPORT_TIMEOUT = Math.floor(JOB_TTL['video-import'] * 0.9)
 229
 230 const SCHEDULER_INTERVALS_MS = {
 231   ACTOR_FOLLOW_SCORES: 60000 * 60, // 1 hour
 232   REMOVE_OLD_JOBS: 60000 * 60, // 1 hour
 233   UPDATE_VIDEOS: 60000, // 1 minute
 234   YOUTUBE_DL_UPDATE: 60000 * 60 * 24, // 1 day
 235   GEO_IP_UPDATE: 60000 * 60 * 24, // 1 day
 236   VIDEO_VIEWS_BUFFER_UPDATE: CONFIG.VIEWS.VIDEOS.LOCAL_BUFFER_UPDATE_INTERVAL,
 237   CHECK_PLUGINS: CONFIG.PLUGINS.INDEX.CHECK_LATEST_VERSIONS_INTERVAL,
 238   CHECK_PEERTUBE_VERSION: 60000 * 60 * 24, // 1 day
 239   AUTO_FOLLOW_INDEX_INSTANCES: 60000 * 60 * 24, // 1 day
 240   REMOVE_OLD_VIEWS: 60000 * 60 * 24, // 1 day
 241   REMOVE_OLD_HISTORY: 60000 * 60 * 24, // 1 day
 242   UPDATE_INBOX_STATS: 1000 * 60, // 1 minute
 243   REMOVE_DANGLING_RESUMABLE_UPLOADS: 60000 * 60 // 1 hour
 244 }
 245
 246 // ---------------------------------------------------------------------------
 247
 248 const CONSTRAINTS_FIELDS = {
 249   USERS: {
 250     NAME: { min: 1, max: 120 }, // Length
 251     DESCRIPTION: { min: 3, max: 1000 }, // Length
 252     USERNAME: { min: 1, max: 50 }, // Length
 253     PASSWORD: { min: 6, max: 255 }, // Length
 254     VIDEO_QUOTA: { min: -1 },
 255     VIDEO_QUOTA_DAILY: { min: -1 },
 256     VIDEO_LANGUAGES: { max: 500 }, // Array length
 257     BLOCKED_REASON: { min: 3, max: 250 } // Length
 258   },
 259   ABUSES: {
 260     REASON: { min: 2, max: 3000 }, // Length
 261     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 262   },
 263   ABUSE_MESSAGES: {
 264     MESSAGE: { min: 2, max: 3000 } // Length
 265   },
 266   VIDEO_BLACKLIST: {
 267     REASON: { min: 2, max: 300 } // Length
 268   },
 269   VIDEO_CHANNELS: {
 270     NAME: { min: 1, max: 120 }, // Length
 271     DESCRIPTION: { min: 3, max: 1000 }, // Length
 272     SUPPORT: { min: 3, max: 1000 }, // Length
 273     URL: { min: 3, max: 2000 } // Length
 274   },
 275   VIDEO_CAPTIONS: {
 276     CAPTION_FILE: {
 277       EXTNAME: [ '.vtt', '.srt' ],
 278       FILE_SIZE: {
 279         max: 20 * 1024 * 1024 // 20MB
 280       }
 281     }
 282   },
 283   VIDEO_IMPORTS: {
 284     URL: { min: 3, max: 2000 }, // Length
 285     TORRENT_NAME: { min: 3, max: 255 }, // Length
 286     TORRENT_FILE: {
 287       EXTNAME: [ '.torrent' ],
 288       FILE_SIZE: {
 289         max: 1024 * 200 // 200 KB
 290       }
 291     }
 292   },
 293   VIDEOS_REDUNDANCY: {
 294     URL: { min: 3, max: 2000 } // Length
 295   },
 296   VIDEO_RATES: {
 297     URL: { min: 3, max: 2000 } // Length
 298   },
 299   VIDEOS: {
 300     NAME: { min: 3, max: 120 }, // Length
 301     LANGUAGE: { min: 1, max: 10 }, // Length
 302     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 303     DESCRIPTION: { min: 3, max: 10000 }, // Length
 304     SUPPORT: { min: 3, max: 1000 }, // Length
 305     IMAGE: {
 306       EXTNAME: [ '.png', '.jpg', '.jpeg', '.webp' ],
 307       FILE_SIZE: {
 308         max: 4 * 1024 * 1024 // 4MB
 309       }
 310     },
 311     EXTNAME: [] as string[],
 312     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 313     DURATION: { min: 0 }, // Number
 314     TAGS: { min: 0, max: 5 }, // Number of total tags
 315     TAG: { min: 2, max: 30 }, // Length
 316     VIEWS: { min: 0 },
 317     LIKES: { min: 0 },
 318     DISLIKES: { min: 0 },
 319     FILE_SIZE: { min: -1 },
 320     PARTIAL_UPLOAD_SIZE: { max: 50 * 1024 * 1024 * 1024 }, // 50GB
 321     URL: { min: 3, max: 2000 } // Length
 322   },
 323   VIDEO_PLAYLISTS: {
 324     NAME: { min: 1, max: 120 }, // Length
 325     DESCRIPTION: { min: 3, max: 1000 }, // Length
 326     URL: { min: 3, max: 2000 }, // Length
 327     IMAGE: {
 328       EXTNAME: [ '.jpg', '.jpeg' ],
 329       FILE_SIZE: {
 330         max: 4 * 1024 * 1024 // 4MB
 331       }
 332     }
 333   },
 334   ACTORS: {
 335     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 336     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 337     URL: { min: 3, max: 2000 }, // Length
 338     IMAGE: {
 339       EXTNAME: [ '.png', '.jpeg', '.jpg', '.gif', '.webp' ],
 340       FILE_SIZE: {
 341         max: 4 * 1024 * 1024 // 4MB
 342       }
 343     }
 344   },
 345   VIDEO_EVENTS: {
 346     COUNT: { min: 0 }
 347   },
 348   VIDEO_COMMENTS: {
 349     TEXT: { min: 1, max: 10000 }, // Length
 350     URL: { min: 3, max: 2000 } // Length
 351   },
 352   VIDEO_SHARE: {
 353     URL: { min: 3, max: 2000 } // Length
 354   },
 355   CONTACT_FORM: {
 356     FROM_NAME: { min: 1, max: 120 }, // Length
 357     BODY: { min: 3, max: 5000 } // Length
 358   },
 359   PLUGINS: {
 360     NAME: { min: 1, max: 214 }, // Length
 361     DESCRIPTION: { min: 1, max: 20000 } // Length
 362   },
 363   COMMONS: {
 364     URL: { min: 5, max: 2000 } // Length
 365   },
 366   VIDEO_STUDIO: {
 367     TASKS: { min: 1, max: 10 }, // Number of tasks
 368     CUT_TIME: { min: 0 } // Value
 369   },
 370   LOGS: {
 371     CLIENT_MESSAGE: { min: 1, max: 1000 }, // Length
 372     CLIENT_STACK_TRACE: { min: 1, max: 5000 }, // Length
 373     CLIENT_META: { min: 1, max: 5000 }, // Length
 374     CLIENT_USER_AGENT: { min: 1, max: 200 } // Length
 375   }
 376 }
 377
 378 const VIEW_LIFETIME = {
 379   VIEW: CONFIG.VIEWS.VIDEOS.IP_VIEW_EXPIRATION,
 380   VIEWER_COUNTER: 60000 * 2, // 2 minutes
 381   VIEWER_STATS: 60000 * 60 // 1 hour
 382 }
 383
 384 const MAX_LOCAL_VIEWER_WATCH_SECTIONS = 100
 385
 386 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 387
 388 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 389   MIN: 1,
 390   STANDARD: [ 24, 25, 30 ],
 391   HD_STANDARD: [ 50, 60 ],
 392   AUDIO_MERGE: 25,
 393   AVERAGE: 30,
 394   MAX: 60,
 395   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 396 }
 397
 398 const DEFAULT_AUDIO_RESOLUTION = VideoResolution.H_480P
 399
 400 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 401   LIKE: 'like',
 402   DISLIKE: 'dislike'
 403 }
 404
 405 const FFMPEG_NICE: { [ id: string ]: number } = {
 406   // parent process defaults to niceness = 0
 407   // reminder: lower = higher priority, max value is 19, lowest is -20
 408   LIVE: 5, // prioritize over VOD and THUMBNAIL
 409   THUMBNAIL: 10,
 410   VOD: 15
 411 }
 412
 413 const VIDEO_CATEGORIES = {
 414   1: 'Music',
 415   2: 'Films',
 416   3: 'Vehicles',
 417   4: 'Art',
 418   5: 'Sports',
 419   6: 'Travels',
 420   7: 'Gaming',
 421   8: 'People',
 422   9: 'Comedy',
 423   10: 'Entertainment',
 424   11: 'News & Politics',
 425   12: 'How To',
 426   13: 'Education',
 427   14: 'Activism',
 428   15: 'Science & Technology',
 429   16: 'Animals',
 430   17: 'Kids',
 431   18: 'Food'
 432 }
 433
 434 // See https://creativecommons.org/licenses/?lang=en
 435 const VIDEO_LICENCES = {
 436   1: 'Attribution',
 437   2: 'Attribution - Share Alike',
 438   3: 'Attribution - No Derivatives',
 439   4: 'Attribution - Non Commercial',
 440   5: 'Attribution - Non Commercial - Share Alike',
 441   6: 'Attribution - Non Commercial - No Derivatives',
 442   7: 'Public Domain Dedication'
 443 }
 444
 445 const VIDEO_LANGUAGES: { [id: string]: string } = {}
 446
 447 const VIDEO_PRIVACIES: { [ id in VideoPrivacy ]: string } = {
 448   [VideoPrivacy.PUBLIC]: 'Public',
 449   [VideoPrivacy.UNLISTED]: 'Unlisted',
 450   [VideoPrivacy.PRIVATE]: 'Private',
 451   [VideoPrivacy.INTERNAL]: 'Internal'
 452 }
 453
 454 const VIDEO_STATES: { [ id in VideoState ]: string } = {
 455   [VideoState.PUBLISHED]: 'Published',
 456   [VideoState.TO_TRANSCODE]: 'To transcode',
 457   [VideoState.TO_IMPORT]: 'To import',
 458   [VideoState.WAITING_FOR_LIVE]: 'Waiting for livestream',
 459   [VideoState.LIVE_ENDED]: 'Livestream ended',
 460   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE]: 'To move to an external storage',
 461   [VideoState.TRANSCODING_FAILED]: 'Transcoding failed',
 462   [VideoState.TO_MOVE_TO_EXTERNAL_STORAGE_FAILED]: 'External storage move failed',
 463   [VideoState.TO_EDIT]: 'To edit*'
 464 }
 465
 466 const VIDEO_IMPORT_STATES: { [ id in VideoImportState ]: string } = {
 467   [VideoImportState.FAILED]: 'Failed',
 468   [VideoImportState.PENDING]: 'Pending',
 469   [VideoImportState.SUCCESS]: 'Success',
 470   [VideoImportState.REJECTED]: 'Rejected',
 471   [VideoImportState.CANCELLED]: 'Cancelled',
 472   [VideoImportState.PROCESSING]: 'Processing'
 473 }
 474
 475 const ABUSE_STATES: { [ id in AbuseState ]: string } = {
 476   [AbuseState.PENDING]: 'Pending',
 477   [AbuseState.REJECTED]: 'Rejected',
 478   [AbuseState.ACCEPTED]: 'Accepted'
 479 }
 480
 481 const VIDEO_PLAYLIST_PRIVACIES: { [ id in VideoPlaylistPrivacy ]: string } = {
 482   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 483   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 484   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 485 }
 486
 487 const VIDEO_PLAYLIST_TYPES: { [ id in VideoPlaylistType ]: string } = {
 488   [VideoPlaylistType.REGULAR]: 'Regular',
 489   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 490 }
 491
 492 const MIMETYPES = {
 493   AUDIO: {
 494     MIMETYPE_EXT: {
 495       'audio/mpeg': '.mp3',
 496       'audio/mp3': '.mp3',
 497
 498       'application/ogg': '.ogg',
 499       'audio/ogg': '.ogg',
 500
 501       'audio/x-ms-wma': '.wma',
 502       'audio/wav': '.wav',
 503       'audio/x-wav': '.wav',
 504
 505       'audio/x-flac': '.flac',
 506       'audio/flac': '.flac',
 507
 508       'audio/vnd.dlna.adts': '.aac',
 509       'audio/aac': '.aac',
 510
 511       'audio/m4a': '.m4a',
 512       'audio/mp4': '.m4a',
 513       'audio/x-m4a': '.m4a',
 514
 515       'audio/vnd.dolby.dd-raw': '.ac3',
 516       'audio/ac3': '.ac3'
 517     },
 518     EXT_MIMETYPE: null as { [ id: string ]: string }
 519   },
 520   VIDEO: {
 521     MIMETYPE_EXT: null as { [ id: string ]: string | string[] },
 522     MIMETYPES_REGEX: null as string,
 523     EXT_MIMETYPE: null as { [ id: string ]: string }
 524   },
 525   IMAGE: {
 526     MIMETYPE_EXT: {
 527       'image/png': '.png',
 528       'image/gif': '.gif',
 529       'image/webp': '.webp',
 530       'image/jpg': '.jpg',
 531       'image/jpeg': '.jpg'
 532     },
 533     EXT_MIMETYPE: null as { [ id: string ]: string }
 534   },
 535   VIDEO_CAPTIONS: {
 536     MIMETYPE_EXT: {
 537       'text/vtt': '.vtt',
 538       'application/x-subrip': '.srt',
 539       'text/plain': '.srt'
 540     }
 541   },
 542   TORRENT: {
 543     MIMETYPE_EXT: {
 544       'application/x-bittorrent': '.torrent'
 545     }
 546   }
 547 }
 548 MIMETYPES.AUDIO.EXT_MIMETYPE = invert(MIMETYPES.AUDIO.MIMETYPE_EXT)
 549 MIMETYPES.IMAGE.EXT_MIMETYPE = invert(MIMETYPES.IMAGE.MIMETYPE_EXT)
 550
 551 const BINARY_CONTENT_TYPES = new Set([
 552   'binary/octet-stream',
 553   'application/octet-stream',
 554   'application/x-binary'
 555 ])
 556
 557 // ---------------------------------------------------------------------------
 558
 559 const OVERVIEWS = {
 560   VIDEOS: {
 561     SAMPLE_THRESHOLD: 6,
 562     SAMPLES_COUNT: 20
 563   }
 564 }
 565
 566 // ---------------------------------------------------------------------------
 567
 568 const SERVER_ACTOR_NAME = 'peertube'
 569
 570 const ACTIVITY_PUB = {
 571   POTENTIAL_ACCEPT_HEADERS: [
 572     'application/activity+json',
 573     'application/ld+json',
 574     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 575   ],
 576   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 577   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 578   COLLECTION_ITEMS_PER_PAGE: 10,
 579   FETCH_PAGE_LIMIT: 2000,
 580   URL_MIME_TYPES: {
 581     VIDEO: [] as string[],
 582     TORRENT: [ 'application/x-bittorrent' ],
 583     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 584   },
 585   MAX_RECURSION_COMMENTS: 100,
 586   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 587   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 588   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 589 }
 590
 591 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 592   GROUP: 'Group',
 593   PERSON: 'Person',
 594   APPLICATION: 'Application',
 595   ORGANIZATION: 'Organization',
 596   SERVICE: 'Service'
 597 }
 598
 599 const HTTP_SIGNATURE = {
 600   HEADER_NAME: 'signature',
 601   ALGORITHM: 'rsa-sha256',
 602   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ],
 603   CLOCK_SKEW_SECONDS: 1800
 604 }
 605
 606 // ---------------------------------------------------------------------------
 607
 608 let PRIVATE_RSA_KEY_SIZE = 2048
 609
 610 // Password encryption
 611 const BCRYPT_SALT_SIZE = 10
 612
 613 const USER_PASSWORD_RESET_LIFETIME = 60000 * 60 // 60 minutes
 614 const USER_PASSWORD_CREATE_LIFETIME = 60000 * 60 * 24 * 7 // 7 days
 615
 616 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 617
 618 const NSFW_POLICY_TYPES: { [ id: string ]: NSFWPolicyType } = {
 619   DO_NOT_LIST: 'do_not_list',
 620   BLUR: 'blur',
 621   DISPLAY: 'display'
 622 }
 623
 624 // ---------------------------------------------------------------------------
 625
 626 // Express static paths (router)
 627 const STATIC_PATHS = {
 628   THUMBNAILS: '/static/thumbnails/',
 629   WEBSEED: '/static/webseed/',
 630   REDUNDANCY: '/static/redundancy/',
 631   STREAMING_PLAYLISTS: {
 632     HLS: '/static/streaming-playlists/hls'
 633   }
 634 }
 635 const STATIC_DOWNLOAD_PATHS = {
 636   TORRENTS: '/download/torrents/',
 637   VIDEOS: '/download/videos/',
 638   HLS_VIDEOS: '/download/streaming-playlists/hls/videos/'
 639 }
 640 const LAZY_STATIC_PATHS = {
 641   BANNERS: '/lazy-static/banners/',
 642   AVATARS: '/lazy-static/avatars/',
 643   PREVIEWS: '/lazy-static/previews/',
 644   VIDEO_CAPTIONS: '/lazy-static/video-captions/',
 645   TORRENTS: '/lazy-static/torrents/'
 646 }
 647
 648 // Cache control
 649 const STATIC_MAX_AGE = {
 650   SERVER: '2h',
 651   LAZY_SERVER: '2d',
 652   CLIENT: '30d'
 653 }
 654
 655 // Videos thumbnail size
 656 const THUMBNAILS_SIZE = {
 657   width: 280,
 658   height: 157,
 659   minWidth: 150
 660 }
 661 const PREVIEWS_SIZE = {
 662   width: 850,
 663   height: 480,
 664   minWidth: 400
 665 }
 666 const ACTOR_IMAGES_SIZE: { [key in ActorImageType]: { width: number, height: number }[]} = {
 667   [ActorImageType.AVATAR]: [
 668     {
 669       width: 120,
 670       height: 120
 671     },
 672     {
 673       width: 48,
 674       height: 48
 675     }
 676   ],
 677   [ActorImageType.BANNER]: [
 678     {
 679       width: 1920,
 680       height: 317 // 6/1 ratio
 681     }
 682   ]
 683 }
 684
 685 const EMBED_SIZE = {
 686   width: 560,
 687   height: 315
 688 }
 689
 690 // Sub folders of cache directory
 691 const FILES_CACHE = {
 692   PREVIEWS: {
 693     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 694     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 695   },
 696   VIDEO_CAPTIONS: {
 697     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 698     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 699   },
 700   TORRENTS: {
 701     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'torrents'),
 702     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 703   }
 704 }
 705
 706 const LRU_CACHE = {
 707   USER_TOKENS: {
 708     MAX_SIZE: 1000
 709   },
 710   ACTOR_IMAGE_STATIC: {
 711     MAX_SIZE: 500
 712   }
 713 }
 714
 715 const RESUMABLE_UPLOAD_DIRECTORY = join(CONFIG.STORAGE.TMP_DIR, 'resumable-uploads')
 716 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 717 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 718
 719 const RESUMABLE_UPLOAD_SESSION_LIFETIME = SCHEDULER_INTERVALS_MS.REMOVE_DANGLING_RESUMABLE_UPLOADS
 720
 721 const VIDEO_LIVE = {
 722   EXTENSION: '.ts',
 723   CLEANUP_DELAY: 1000 * 60 * 5, // 5 minutes
 724   SEGMENT_TIME_SECONDS: {
 725     DEFAULT_LATENCY: 4, // 4 seconds
 726     SMALL_LATENCY: 2 // 2 seconds
 727   },
 728   SEGMENTS_LIST_SIZE: 15, // 15 maximum segments in live playlist
 729   REPLAY_DIRECTORY: 'replay',
 730   EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION: 4,
 731   MAX_SOCKET_WAITING_DATA: 1024 * 1000 * 100, // 100MB
 732   RTMP: {
 733     CHUNK_SIZE: 60000,
 734     GOP_CACHE: true,
 735     PING: 60,
 736     PING_TIMEOUT: 30,
 737     BASE_PATH: 'live'
 738   }
 739 }
 740
 741 const MEMOIZE_TTL = {
 742   OVERVIEWS_SAMPLE: 1000 * 3600 * 4, // 4 hours
 743   INFO_HASH_EXISTS: 1000 * 3600 * 12, // 12 hours
 744   VIDEO_DURATION: 1000 * 10, // 10 seconds
 745   LIVE_ABLE_TO_UPLOAD: 1000 * 60, // 1 minute
 746   LIVE_CHECK_SOCKET_HEALTH: 1000 * 60, // 1 minute
 747   GET_STATS_FOR_OPEN_TELEMETRY_METRICS: 1000 * 60 // 1 minute
 748 }
 749
 750 const MEMOIZE_LENGTH = {
 751   INFO_HASH_EXISTS: 200,
 752   VIDEO_DURATION: 200
 753 }
 754
 755 const WORKER_THREADS = {
 756   DOWNLOAD_IMAGE: {
 757     CONCURRENCY: 3,
 758     MAX_THREADS: 1
 759   },
 760   PROCESS_IMAGE: {
 761     CONCURRENCY: 1,
 762     MAX_THREADS: 5
 763   }
 764 }
 765
 766 const REDUNDANCY = {
 767   VIDEOS: {
 768     RANDOMIZED_FACTOR: 5
 769   }
 770 }
 771
 772 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 773
 774 const ASSETS_PATH = {
 775   DEFAULT_AUDIO_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-audio-background.jpg'),
 776   DEFAULT_LIVE_BACKGROUND: join(root(), 'dist', 'server', 'assets', 'default-live-background.jpg')
 777 }
 778
 779 // ---------------------------------------------------------------------------
 780
 781 const CUSTOM_HTML_TAG_COMMENTS = {
 782   TITLE: '<!-- title tag -->',
 783   DESCRIPTION: '<!-- description tag -->',
 784   CUSTOM_CSS: '<!-- custom css tag -->',
 785   META_TAGS: '<!-- meta tags -->',
 786   SERVER_CONFIG: '<!-- server config -->'
 787 }
 788
 789 const MAX_LOGS_OUTPUT_CHARACTERS = 10 * 1000 * 1000
 790 const LOG_FILENAME = 'peertube.log'
 791 const AUDIT_LOG_FILENAME = 'peertube-audit.log'
 792
 793 // ---------------------------------------------------------------------------
 794
 795 const TRACKER_RATE_LIMITS = {
 796   INTERVAL: 60000 * 5, // 5 minutes
 797   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 798   ANNOUNCES_PER_IP: 30, // maximum announces for all our torrents in the interval
 799   BLOCK_IP_LIFETIME: 60000 * 3 // 3 minutes
 800 }
 801
 802 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 803
 804 // ---------------------------------------------------------------------------
 805
 806 const PLUGIN_GLOBAL_CSS_FILE_NAME = 'plugins-global.css'
 807 const PLUGIN_GLOBAL_CSS_PATH = join(CONFIG.STORAGE.TMP_DIR, PLUGIN_GLOBAL_CSS_FILE_NAME)
 808
 809 let PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 1000 * 60 * 5 // 5 minutes
 810
 811 const DEFAULT_THEME_NAME = 'default'
 812 const DEFAULT_USER_THEME_NAME = 'instance-default'
 813
 814 // ---------------------------------------------------------------------------
 815
 816 const SEARCH_INDEX = {
 817   ROUTES: {
 818     VIDEOS: '/api/v1/search/videos',
 819     VIDEO_CHANNELS: '/api/v1/search/video-channels'
 820   }
 821 }
 822
 823 // ---------------------------------------------------------------------------
 824
 825 const STATS_TIMESERIE = {
 826   MAX_DAYS: 365 * 10 // Around 10 years
 827 }
 828
 829 // ---------------------------------------------------------------------------
 830
 831 // Special constants for a test instance
 832 if (process.env.PRODUCTION_CONSTANTS !== 'true') {
 833   if (isTestOrDevInstance()) {
 834     PRIVATE_RSA_KEY_SIZE = 1024
 835
 836     ACTOR_FOLLOW_SCORE.BASE = 20
 837
 838     REMOTE_SCHEME.HTTP = 'http'
 839     REMOTE_SCHEME.WS = 'ws'
 840
 841     STATIC_MAX_AGE.SERVER = '0'
 842
 843     SCHEDULER_INTERVALS_MS.ACTOR_FOLLOW_SCORES = 1000
 844     SCHEDULER_INTERVALS_MS.REMOVE_OLD_JOBS = 10000
 845     SCHEDULER_INTERVALS_MS.REMOVE_OLD_HISTORY = 5000
 846     SCHEDULER_INTERVALS_MS.REMOVE_OLD_VIEWS = 5000
 847     SCHEDULER_INTERVALS_MS.UPDATE_VIDEOS = 5000
 848     SCHEDULER_INTERVALS_MS.AUTO_FOLLOW_INDEX_INSTANCES = 5000
 849     SCHEDULER_INTERVALS_MS.UPDATE_INBOX_STATS = 5000
 850     SCHEDULER_INTERVALS_MS.CHECK_PEERTUBE_VERSION = 2000
 851
 852     REPEAT_JOBS['videos-views-stats'] = { every: 5000 }
 853
 854     REPEAT_JOBS['activitypub-cleaner'] = { every: 5000 }
 855     AP_CLEANER.PERIOD = 5000
 856
 857     REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 858
 859     CONTACT_FORM_LIFETIME = 1000 // 1 second
 860
 861     JOB_ATTEMPTS['email'] = 1
 862
 863     FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 864     MEMOIZE_TTL.OVERVIEWS_SAMPLE = 3000
 865     MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD = 3000
 866     OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD = 2
 867
 868     PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME = 5000
 869   }
 870
 871   if (isTestInstance()) {
 872     ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 873     ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 874     ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 875     ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 876
 877     CONSTRAINTS_FIELDS.ACTORS.IMAGE.FILE_SIZE.max = 100 * 1024 // 100KB
 878     CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max = 400 * 1024 // 400KB
 879
 880     VIEW_LIFETIME.VIEWER_COUNTER = 1000 * 5 // 5 second
 881     VIEW_LIFETIME.VIEWER_STATS = 1000 * 5 // 5 second
 882
 883     VIDEO_LIVE.CLEANUP_DELAY = getIntEnv('PEERTUBE_TEST_CONSTANTS_VIDEO_LIVE_CLEANUP_DELAY') ?? 5000
 884     VIDEO_LIVE.SEGMENT_TIME_SECONDS.DEFAULT_LATENCY = 2
 885     VIDEO_LIVE.SEGMENT_TIME_SECONDS.SMALL_LATENCY = 1
 886     VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION = 1
 887   }
 888 }
 889
 890 updateWebserverUrls()
 891 updateWebserverConfig()
 892
 893 registerConfigChangedHandler(() => {
 894   updateWebserverUrls()
 895   updateWebserverConfig()
 896 })
 897
 898 // ---------------------------------------------------------------------------
 899
 900 const FILES_CONTENT_HASH = {
 901   MANIFEST: generateContentHash(),
 902   FAVICON: generateContentHash(),
 903   LOGO: generateContentHash()
 904 }
 905
 906 // ---------------------------------------------------------------------------
 907
 908 const VIDEO_FILTERS = {
 909   WATERMARK: {
 910     SIZE_RATIO: 1 / 10,
 911     HORIZONTAL_MARGIN_RATIO: 1 / 20,
 912     VERTICAL_MARGIN_RATIO: 1 / 20
 913   }
 914 }
 915
 916 // ---------------------------------------------------------------------------
 917
 918 export {
 919   WEBSERVER,
 920   API_VERSION,
 921   VIDEO_LIVE,
 922   PEERTUBE_VERSION,
 923   LAZY_STATIC_PATHS,
 924   SEARCH_INDEX,
 925   RESUMABLE_UPLOAD_DIRECTORY,
 926   RESUMABLE_UPLOAD_SESSION_LIFETIME,
 927   HLS_REDUNDANCY_DIRECTORY,
 928   P2P_MEDIA_LOADER_PEER_VERSION,
 929   ACTOR_IMAGES_SIZE,
 930   ACCEPT_HEADERS,
 931   BCRYPT_SALT_SIZE,
 932   TRACKER_RATE_LIMITS,
 933   FILES_CACHE,
 934   LOG_FILENAME,
 935   CONSTRAINTS_FIELDS,
 936   EMBED_SIZE,
 937   REDUNDANCY,
 938   JOB_CONCURRENCY,
 939   JOB_ATTEMPTS,
 940   AP_CLEANER,
 941   LAST_MIGRATION_VERSION,
 942   OAUTH_LIFETIME,
 943   CUSTOM_HTML_TAG_COMMENTS,
 944   STATS_TIMESERIE,
 945   BROADCAST_CONCURRENCY,
 946   AUDIT_LOG_FILENAME,
 947   PAGINATION,
 948   ACTOR_FOLLOW_SCORE,
 949   PREVIEWS_SIZE,
 950   REMOTE_SCHEME,
 951   FOLLOW_STATES,
 952   DEFAULT_USER_THEME_NAME,
 953   SERVER_ACTOR_NAME,
 954   PLUGIN_GLOBAL_CSS_FILE_NAME,
 955   PLUGIN_GLOBAL_CSS_PATH,
 956   PRIVATE_RSA_KEY_SIZE,
 957   VIDEO_FILTERS,
 958   ROUTE_CACHE_LIFETIME,
 959   SORTABLE_COLUMNS,
 960   HLS_STREAMING_PLAYLIST_DIRECTORY,
 961   JOB_TTL,
 962   DEFAULT_THEME_NAME,
 963   NSFW_POLICY_TYPES,
 964   STATIC_MAX_AGE,
 965   STATIC_PATHS,
 966   VIDEO_IMPORT_TIMEOUT,
 967   VIDEO_PLAYLIST_TYPES,
 968   MAX_LOGS_OUTPUT_CHARACTERS,
 969   ACTIVITY_PUB,
 970   ACTIVITY_PUB_ACTOR_TYPES,
 971   THUMBNAILS_SIZE,
 972   VIDEO_CATEGORIES,
 973   MEMOIZE_LENGTH,
 974   VIDEO_LANGUAGES,
 975   VIDEO_PRIVACIES,
 976   VIDEO_LICENCES,
 977   VIDEO_STATES,
 978   WORKER_THREADS,
 979   VIDEO_RATE_TYPES,
 980   JOB_PRIORITY,
 981   VIDEO_TRANSCODING_FPS,
 982   FFMPEG_NICE,
 983   ABUSE_STATES,
 984   LRU_CACHE,
 985   REQUEST_TIMEOUTS,
 986   MAX_LOCAL_VIEWER_WATCH_SECTIONS,
 987   USER_PASSWORD_RESET_LIFETIME,
 988   USER_PASSWORD_CREATE_LIFETIME,
 989   MEMOIZE_TTL,
 990   USER_EMAIL_VERIFY_LIFETIME,
 991   OVERVIEWS,
 992   SCHEDULER_INTERVALS_MS,
 993   REPEAT_JOBS,
 994   STATIC_DOWNLOAD_PATHS,
 995   MIMETYPES,
 996   CRAWL_REQUEST_CONCURRENCY,
 997   DEFAULT_AUDIO_RESOLUTION,
 998   BINARY_CONTENT_TYPES,
 999   JOB_COMPLETED_LIFETIME,
1000   HTTP_SIGNATURE,
1001   VIDEO_IMPORT_STATES,
1002   VIEW_LIFETIME,
1003   CONTACT_FORM_LIFETIME,
1004   VIDEO_PLAYLIST_PRIVACIES,
1005   PLUGIN_EXTERNAL_AUTH_TOKEN_LIFETIME,
1006   ASSETS_PATH,
1007   FILES_CONTENT_HASH,
1008   loadLanguages,
1009   buildLanguages,
1010   generateContentHash
1011 }
1012
1013 // ---------------------------------------------------------------------------
1014
1015 function buildVideoMimetypeExt () {
1016   const data = {
1017     // streamable formats that warrant cross-browser compatibility
1018     'video/webm': '.webm',
1019     // We'll add .ogg if additional extensions are enabled
1020     // We could add .ogg here but since it could be an audio file,
1021     // it would be confusing for users because PeerTube will refuse their file (based on the mimetype)
1022     'video/ogg': [ '.ogv' ],
1023     'video/mp4': '.mp4'
1024   }
1025
1026   if (CONFIG.TRANSCODING.ENABLED) {
1027     if (CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
1028       data['video/ogg'].push('.ogg')
1029
1030       Object.assign(data, {
1031         'video/x-matroska': '.mkv',
1032
1033         // Developed by Apple
1034         'video/quicktime': [ '.mov', '.qt', '.mqv' ], // often used as output format by editing software
1035         'video/x-m4v': '.m4v',
1036         'video/m4v': '.m4v',
1037
1038         // Developed by the Adobe Flash Platform
1039         'video/x-flv': '.flv',
1040         'video/x-f4v': '.f4v', // replacement for flv
1041
1042         // Developed by Microsoft
1043         'video/x-ms-wmv': '.wmv',
1044         'video/x-msvideo': '.avi',
1045         'video/avi': '.avi',
1046
1047         // Developed by 3GPP
1048         // common video formats for cell phones
1049         'video/3gpp': [ '.3gp', '.3gpp' ],
1050         'video/3gpp2': [ '.3g2', '.3gpp2' ],
1051
1052         // Developed by FFmpeg/Mplayer
1053         'application/x-nut': '.nut',
1054
1055         // The standard video format used by many Sony and Panasonic HD camcorders.
1056         // It is also used for storing high definition video on Blu-ray discs.
1057         'video/mp2t': '.mts',
1058         'video/vnd.dlna.mpeg-tts': '.mts',
1059
1060         'video/m2ts': '.m2ts',
1061
1062         // Old formats reliant on MPEG-1/MPEG-2
1063         'video/mpv': '.mpv',
1064         'video/mpeg2': '.m2v',
1065         'video/mpeg': [ '.m1v', '.mpg', '.mpe', '.mpeg', '.vob' ],
1066         'video/dvd': '.vob',
1067
1068         // Could be anything
1069         'application/octet-stream': null,
1070         'application/mxf': '.mxf' // often used as exchange format by editing software
1071       })
1072     }
1073
1074     if (CONFIG.TRANSCODING.ALLOW_AUDIO_FILES) {
1075       Object.assign(data, MIMETYPES.AUDIO.MIMETYPE_EXT)
1076     }
1077   }
1078
1079   return data
1080 }
1081
1082 function updateWebserverUrls () {
1083   WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
1084   WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
1085   WEBSERVER.WS = CONFIG.WEBSERVER.WS
1086
1087   WEBSERVER.SCHEME = CONFIG.WEBSERVER.SCHEME
1088   WEBSERVER.HOSTNAME = CONFIG.WEBSERVER.HOSTNAME
1089   WEBSERVER.PORT = CONFIG.WEBSERVER.PORT
1090
1091   const rtmpHostname = CONFIG.LIVE.RTMP.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1092   const rtmpsHostname = CONFIG.LIVE.RTMPS.PUBLIC_HOSTNAME || CONFIG.WEBSERVER.HOSTNAME
1093
1094   WEBSERVER.RTMP_URL = 'rtmp://' + rtmpHostname + ':' + CONFIG.LIVE.RTMP.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1095   WEBSERVER.RTMPS_URL = 'rtmps://' + rtmpsHostname + ':' + CONFIG.LIVE.RTMPS.PORT + '/' + VIDEO_LIVE.RTMP.BASE_PATH
1096 }
1097
1098 function updateWebserverConfig () {
1099   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
1100   MIMETYPES.VIDEO.MIMETYPES_REGEX = buildMimetypesRegex(MIMETYPES.VIDEO.MIMETYPE_EXT)
1101
1102   ACTIVITY_PUB.URL_MIME_TYPES.VIDEO = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
1103
1104   MIMETYPES.VIDEO.EXT_MIMETYPE = buildVideoExtMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT)
1105
1106   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = Object.keys(MIMETYPES.VIDEO.EXT_MIMETYPE)
1107 }
1108
1109 function buildVideoExtMimetype (obj: { [ id: string ]: string | string[] }) {
1110   const result: { [id: string]: string } = {}
1111
1112   for (const mimetype of Object.keys(obj)) {
1113     const value = obj[mimetype]
1114     if (!value) continue
1115
1116     const extensions = Array.isArray(value) ? value : [ value ]
1117
1118     for (const extension of extensions) {
1119       result[extension] = mimetype
1120     }
1121   }
1122
1123   return result
1124 }
1125
1126 function buildMimetypesRegex (obj: { [id: string]: string | string[] }) {
1127   return Object.keys(obj)
1128     .map(m => `(${m})`)
1129     .join('|')
1130 }
1131
1132 function loadLanguages () {
1133   Object.assign(VIDEO_LANGUAGES, buildLanguages())
1134 }
1135
1136 function buildLanguages () {
1137   const iso639 = require('iso-639-3')
1138
1139   const languages: { [id: string]: string } = {}
1140
1141   const additionalLanguages = {
1142     sgn: true, // Sign languages (macro language)
1143     ase: true, // American sign language
1144     sdl: true, // Arabian sign language
1145     bfi: true, // British sign language
1146     bzs: true, // Brazilian sign language
1147     csl: true, // Chinese sign language
1148     cse: true, // Czech sign language
1149     dsl: true, // Danish sign language
1150     fsl: true, // French sign language
1151     gsg: true, // German sign language
1152     pks: true, // Pakistan sign language
1153     jsl: true, // Japanese sign language
1154     sfs: true, // South African sign language
1155     swl: true, // Swedish sign language
1156     rsl: true, // Russian sign language
1157
1158     kab: true, // Kabyle
1159
1160     lat: true, // Latin
1161
1162     epo: true, // Esperanto
1163     tlh: true, // Klingon
1164     jbo: true, // Lojban
1165     avk: true, // Kotava
1166
1167     zxx: true // No linguistic content (ISO-639-2)
1168   }
1169
1170   // Only add ISO639-1 languages and some sign languages (ISO639-3)
1171   iso639
1172     .filter(l => {
1173       return (l.iso6391 !== undefined && l.type === 'living') ||
1174         additionalLanguages[l.iso6393] === true
1175     })
1176     .forEach(l => { languages[l.iso6391 || l.iso6393] = l.name })
1177
1178   // Override Occitan label
1179   languages['oc'] = 'Occitan'
1180   languages['el'] = 'Greek'
1181   languages['tok'] = 'Toki Pona'
1182
1183   // Chinese languages
1184   languages['zh-Hans'] = 'Simplified Chinese'
1185   languages['zh-Hant'] = 'Traditional Chinese'
1186
1187   return languages
1188 }
1189
1190 function generateContentHash () {
1191   return randomBytes(20).toString('hex')
1192 }
1193
1194 function getIntEnv (path: string) {
1195   if (process.env[path]) return parseInt(process.env[path])
1196
1197   return undefined
1198 }