server/initializers/constants.ts

   1 import { IConfig } from 'config'
   2 import { dirname, join } from 'path'
   3 import { JobType, VideoRateType, VideoState, VideosRedundancy } from '../../shared/models'
   4 import { ActivityPubActorType } from '../../shared/models/activitypub'
   5 import { FollowState } from '../../shared/models/actors'
   6 import { VideoAbuseState, VideoImportState, VideoPrivacy, VideoTranscodingFPS } from '../../shared/models/videos'
   7 // Do not use barrels, remain constants as independent as possible
   8 import { buildPath, isTestInstance, parseDuration, parseBytes, root, sanitizeHost, sanitizeUrl } from '../helpers/core-utils'
   9 import { NSFWPolicyType } from '../../shared/models/videos/nsfw-policy.type'
  10 import { invert } from 'lodash'
  11 import { CronRepeatOptions, EveryRepeatOptions } from 'bull'
  12 import * as bytes from 'bytes'
  13 import { VideoPlaylistPrivacy } from '../../shared/models/videos/playlist/video-playlist-privacy.model'
  14 import { VideoPlaylistType } from '../../shared/models/videos/playlist/video-playlist-type.model'
  15
  16 // Use a variable to reload the configuration if we need
  17 let config: IConfig = require('config')
  18
  19 // ---------------------------------------------------------------------------
  20
  21 const LAST_MIGRATION_VERSION = 360
  22
  23 // ---------------------------------------------------------------------------
  24
  25 // API version
  26 const API_VERSION = 'v1'
  27
  28 const PAGINATION = {
  29   COUNT: {
  30     DEFAULT: 15,
  31     MAX: 100
  32   }
  33 }
  34
  35 // Sortable columns per schema
  36 const SORTABLE_COLUMNS = {
  37   USERS: [ 'id', 'username', 'createdAt' ],
  38   USER_SUBSCRIPTIONS: [ 'id', 'createdAt' ],
  39   ACCOUNTS: [ 'createdAt' ],
  40   JOBS: [ 'createdAt' ],
  41   VIDEO_ABUSES: [ 'id', 'createdAt', 'state' ],
  42   VIDEO_CHANNELS: [ 'id', 'name', 'updatedAt', 'createdAt' ],
  43   VIDEO_IMPORTS: [ 'createdAt' ],
  44   VIDEO_COMMENT_THREADS: [ 'createdAt' ],
  45   VIDEO_RATES: [ 'createdAt' ],
  46   BLACKLISTS: [ 'id', 'name', 'duration', 'views', 'likes', 'dislikes', 'uuid', 'createdAt' ],
  47   FOLLOWERS: [ 'createdAt' ],
  48   FOLLOWING: [ 'createdAt' ],
  49
  50   VIDEOS: [ 'name', 'duration', 'createdAt', 'publishedAt', 'views', 'likes', 'trending' ],
  51
  52   VIDEOS_SEARCH: [ 'name', 'duration', 'createdAt', 'publishedAt', 'views', 'likes', 'match' ],
  53   VIDEO_CHANNELS_SEARCH: [ 'match', 'displayName', 'createdAt' ],
  54
  55   ACCOUNTS_BLOCKLIST: [ 'createdAt' ],
  56   SERVERS_BLOCKLIST: [ 'createdAt' ],
  57
  58   USER_NOTIFICATIONS: [ 'createdAt' ],
  59
  60   VIDEO_PLAYLISTS: [ 'displayName', 'createdAt', 'updatedAt' ]
  61 }
  62
  63 const OAUTH_LIFETIME = {
  64   ACCESS_TOKEN: 3600 * 24, // 1 day, for upload
  65   REFRESH_TOKEN: 1209600 // 2 weeks
  66 }
  67
  68 const ROUTE_CACHE_LIFETIME = {
  69   FEEDS: '15 minutes',
  70   ROBOTS: '2 hours',
  71   SITEMAP: '1 day',
  72   SECURITYTXT: '2 hours',
  73   NODEINFO: '10 minutes',
  74   DNT_POLICY: '1 week',
  75   OVERVIEWS: {
  76     VIDEOS: '1 hour'
  77   },
  78   ACTIVITY_PUB: {
  79     VIDEOS: '1 second' // 1 second, cache concurrent requests after a broadcast for example
  80   },
  81   STATS: '4 hours'
  82 }
  83
  84 // ---------------------------------------------------------------------------
  85
  86 // Number of points we add/remove after a successful/bad request
  87 const ACTOR_FOLLOW_SCORE = {
  88   PENALTY: -10,
  89   BONUS: 10,
  90   BASE: 1000,
  91   MAX: 10000
  92 }
  93
  94 const FOLLOW_STATES: { [ id: string ]: FollowState } = {
  95   PENDING: 'pending',
  96   ACCEPTED: 'accepted'
  97 }
  98
  99 const REMOTE_SCHEME = {
 100   HTTP: 'https',
 101   WS: 'wss'
 102 }
 103
 104 // TODO: remove 'video-file'
 105 const JOB_ATTEMPTS: { [ id in (JobType | 'video-file') ]: number } = {
 106   'activitypub-http-broadcast': 5,
 107   'activitypub-http-unicast': 5,
 108   'activitypub-http-fetcher': 5,
 109   'activitypub-follow': 5,
 110   'video-file-import': 1,
 111   'video-transcoding': 1,
 112   'video-file': 1,
 113   'video-import': 1,
 114   'email': 5,
 115   'videos-views': 1,
 116   'activitypub-refresher': 1
 117 }
 118 const JOB_CONCURRENCY: { [ id in (JobType | 'video-file') ]: number } = {
 119   'activitypub-http-broadcast': 1,
 120   'activitypub-http-unicast': 5,
 121   'activitypub-http-fetcher': 1,
 122   'activitypub-follow': 3,
 123   'video-file-import': 1,
 124   'video-transcoding': 1,
 125   'video-file': 1,
 126   'video-import': 1,
 127   'email': 5,
 128   'videos-views': 1,
 129   'activitypub-refresher': 1
 130 }
 131 const JOB_TTL: { [ id in (JobType | 'video-file') ]: number } = {
 132   'activitypub-http-broadcast': 60000 * 10, // 10 minutes
 133   'activitypub-http-unicast': 60000 * 10, // 10 minutes
 134   'activitypub-http-fetcher': 60000 * 10, // 10 minutes
 135   'activitypub-follow': 60000 * 10, // 10 minutes
 136   'video-file-import': 1000 * 3600, // 1 hour
 137   'video-transcoding': 1000 * 3600 * 48, // 2 days, transcoding could be long
 138   'video-file': 1000 * 3600 * 48, // 2 days, transcoding could be long
 139   'video-import': 1000 * 3600 * 2, //  hours
 140   'email': 60000 * 10, // 10 minutes
 141   'videos-views': undefined, // Unlimited
 142   'activitypub-refresher': 60000 * 10 // 10 minutes
 143 }
 144 const REPEAT_JOBS: { [ id: string ]: EveryRepeatOptions | CronRepeatOptions } = {
 145   'videos-views': {
 146     cron: '1 * * * *' // At 1 minute past the hour
 147   }
 148 }
 149
 150 const BROADCAST_CONCURRENCY = 10 // How many requests in parallel we do in activitypub-http-broadcast job
 151 const CRAWL_REQUEST_CONCURRENCY = 1 // How many requests in parallel to fetch remote data (likes, shares...)
 152 const JOB_REQUEST_TIMEOUT = 3000 // 3 seconds
 153 const JOB_COMPLETED_LIFETIME = 60000 * 60 * 24 * 2 // 2 days
 154 const VIDEO_IMPORT_TIMEOUT = 1000 * 3600 // 1 hour
 155
 156 // 1 hour
 157 let SCHEDULER_INTERVALS_MS = {
 158   actorFollowScores: 60000 * 60, // 1 hour
 159   removeOldJobs: 60000 * 60, // 1 hour
 160   updateVideos: 60000, // 1 minute
 161   youtubeDLUpdate: 60000 * 60 * 24 // 1 day
 162 }
 163
 164 // ---------------------------------------------------------------------------
 165
 166 const CONFIG = {
 167   CUSTOM_FILE: getLocalConfigFilePath(),
 168   LISTEN: {
 169     PORT: config.get<number>('listen.port'),
 170     HOSTNAME: config.get<string>('listen.hostname')
 171   },
 172   DATABASE: {
 173     DBNAME: 'peertube' + config.get<string>('database.suffix'),
 174     HOSTNAME: config.get<string>('database.hostname'),
 175     PORT: config.get<number>('database.port'),
 176     USERNAME: config.get<string>('database.username'),
 177     PASSWORD: config.get<string>('database.password'),
 178     POOL: {
 179       MAX: config.get<number>('database.pool.max')
 180     }
 181   },
 182   REDIS: {
 183     HOSTNAME: config.has('redis.hostname') ? config.get<string>('redis.hostname') : null,
 184     PORT: config.has('redis.port') ? config.get<number>('redis.port') : null,
 185     SOCKET: config.has('redis.socket') ? config.get<string>('redis.socket') : null,
 186     AUTH: config.has('redis.auth') ? config.get<string>('redis.auth') : null,
 187     DB: config.has('redis.db') ? config.get<number>('redis.db') : null
 188   },
 189   SMTP: {
 190     HOSTNAME: config.get<string>('smtp.hostname'),
 191     PORT: config.get<number>('smtp.port'),
 192     USERNAME: config.get<string>('smtp.username'),
 193     PASSWORD: config.get<string>('smtp.password'),
 194     TLS: config.get<boolean>('smtp.tls'),
 195     DISABLE_STARTTLS: config.get<boolean>('smtp.disable_starttls'),
 196     CA_FILE: config.get<string>('smtp.ca_file'),
 197     FROM_ADDRESS: config.get<string>('smtp.from_address')
 198   },
 199   STORAGE: {
 200     TMP_DIR: buildPath(config.get<string>('storage.tmp')),
 201     AVATARS_DIR: buildPath(config.get<string>('storage.avatars')),
 202     LOG_DIR: buildPath(config.get<string>('storage.logs')),
 203     VIDEOS_DIR: buildPath(config.get<string>('storage.videos')),
 204     STREAMING_PLAYLISTS_DIR: buildPath(config.get<string>('storage.streaming_playlists')),
 205     REDUNDANCY_DIR: buildPath(config.get<string>('storage.redundancy')),
 206     THUMBNAILS_DIR: buildPath(config.get<string>('storage.thumbnails')),
 207     PREVIEWS_DIR: buildPath(config.get<string>('storage.previews')),
 208     CAPTIONS_DIR: buildPath(config.get<string>('storage.captions')),
 209     TORRENTS_DIR: buildPath(config.get<string>('storage.torrents')),
 210     CACHE_DIR: buildPath(config.get<string>('storage.cache'))
 211   },
 212   WEBSERVER: {
 213     SCHEME: config.get<boolean>('webserver.https') === true ? 'https' : 'http',
 214     WS: config.get<boolean>('webserver.https') === true ? 'wss' : 'ws',
 215     HOSTNAME: config.get<string>('webserver.hostname'),
 216     PORT: config.get<number>('webserver.port'),
 217     URL: '',
 218     HOST: ''
 219   },
 220   TRUST_PROXY: config.get<string[]>('trust_proxy'),
 221   LOG: {
 222     LEVEL: config.get<string>('log.level')
 223   },
 224   SEARCH: {
 225     REMOTE_URI: {
 226       USERS: config.get<boolean>('search.remote_uri.users'),
 227       ANONYMOUS: config.get<boolean>('search.remote_uri.anonymous')
 228     }
 229   },
 230   TRENDING: {
 231     VIDEOS: {
 232       INTERVAL_DAYS: config.get<number>('trending.videos.interval_days')
 233     }
 234   },
 235   REDUNDANCY: {
 236     VIDEOS: {
 237       CHECK_INTERVAL: parseDuration(config.get<string>('redundancy.videos.check_interval')),
 238       STRATEGIES: buildVideosRedundancy(config.get<any[]>('redundancy.videos.strategies'))
 239     }
 240   },
 241   CSP: {
 242     ENABLED: config.get<boolean>('csp.enabled'),
 243     REPORT_ONLY: config.get<boolean>('csp.report_only'),
 244     REPORT_URI: config.get<boolean>('csp.report_uri')
 245   },
 246   TRACKER: {
 247     ENABLED: config.get<boolean>('tracker.enabled'),
 248     PRIVATE: config.get<boolean>('tracker.private'),
 249     REJECT_TOO_MANY_ANNOUNCES: config.get<boolean>('tracker.reject_too_many_announces')
 250   },
 251   ADMIN: {
 252     get EMAIL () { return config.get<string>('admin.email') }
 253   },
 254   CONTACT_FORM: {
 255     get ENABLED () { return config.get<boolean>('contact_form.enabled') }
 256   },
 257   SIGNUP: {
 258     get ENABLED () { return config.get<boolean>('signup.enabled') },
 259     get LIMIT () { return config.get<number>('signup.limit') },
 260     get REQUIRES_EMAIL_VERIFICATION () { return config.get<boolean>('signup.requires_email_verification') },
 261     FILTERS: {
 262       CIDR: {
 263         get WHITELIST () { return config.get<string[]>('signup.filters.cidr.whitelist') },
 264         get BLACKLIST () { return config.get<string[]>('signup.filters.cidr.blacklist') }
 265       }
 266     }
 267   },
 268   USER: {
 269     get VIDEO_QUOTA () { return parseBytes(config.get<number>('user.video_quota')) },
 270     get VIDEO_QUOTA_DAILY () { return parseBytes(config.get<number>('user.video_quota_daily')) }
 271   },
 272   TRANSCODING: {
 273     get ENABLED () { return config.get<boolean>('transcoding.enabled') },
 274     get ALLOW_ADDITIONAL_EXTENSIONS () { return config.get<boolean>('transcoding.allow_additional_extensions') },
 275     get THREADS () { return config.get<number>('transcoding.threads') },
 276     RESOLUTIONS: {
 277       get '240p' () { return config.get<boolean>('transcoding.resolutions.240p') },
 278       get '360p' () { return config.get<boolean>('transcoding.resolutions.360p') },
 279       get '480p' () { return config.get<boolean>('transcoding.resolutions.480p') },
 280       get '720p' () { return config.get<boolean>('transcoding.resolutions.720p') },
 281       get '1080p' () { return config.get<boolean>('transcoding.resolutions.1080p') }
 282     },
 283     HLS: {
 284       get ENABLED () { return config.get<boolean>('transcoding.hls.enabled') }
 285     }
 286   },
 287   IMPORT: {
 288     VIDEOS: {
 289       HTTP: {
 290         get ENABLED () { return config.get<boolean>('import.videos.http.enabled') }
 291       },
 292       TORRENT: {
 293         get ENABLED () { return config.get<boolean>('import.videos.torrent.enabled') }
 294       }
 295     }
 296   },
 297   AUTO_BLACKLIST: {
 298     VIDEOS: {
 299       OF_USERS: {
 300         get ENABLED () { return config.get<boolean>('auto_blacklist.videos.of_users.enabled') }
 301       }
 302     }
 303   },
 304   CACHE: {
 305     PREVIEWS: {
 306       get SIZE () { return config.get<number>('cache.previews.size') }
 307     },
 308     VIDEO_CAPTIONS: {
 309       get SIZE () { return config.get<number>('cache.captions.size') }
 310     }
 311   },
 312   INSTANCE: {
 313     get NAME () { return config.get<string>('instance.name') },
 314     get SHORT_DESCRIPTION () { return config.get<string>('instance.short_description') },
 315     get DESCRIPTION () { return config.get<string>('instance.description') },
 316     get TERMS () { return config.get<string>('instance.terms') },
 317     get IS_NSFW () { return config.get<boolean>('instance.is_nsfw') },
 318     get DEFAULT_CLIENT_ROUTE () { return config.get<string>('instance.default_client_route') },
 319     get DEFAULT_NSFW_POLICY () { return config.get<NSFWPolicyType>('instance.default_nsfw_policy') },
 320     CUSTOMIZATIONS: {
 321       get JAVASCRIPT () { return config.get<string>('instance.customizations.javascript') },
 322       get CSS () { return config.get<string>('instance.customizations.css') }
 323     },
 324     get ROBOTS () { return config.get<string>('instance.robots') },
 325     get SECURITYTXT () { return config.get<string>('instance.securitytxt') },
 326     get SECURITYTXT_CONTACT () { return config.get<string>('admin.email') }
 327   },
 328   SERVICES: {
 329     TWITTER: {
 330       get USERNAME () { return config.get<string>('services.twitter.username') },
 331       get WHITELISTED () { return config.get<boolean>('services.twitter.whitelisted') }
 332     }
 333   },
 334   FOLLOWERS: {
 335     INSTANCE: {
 336       get ENABLED () { return config.get<boolean>('followers.instance.enabled') },
 337       get MANUAL_APPROVAL () { return config.get<boolean>('followers.instance.manual_approval') }
 338     }
 339   }
 340 }
 341
 342 // ---------------------------------------------------------------------------
 343
 344 let CONSTRAINTS_FIELDS = {
 345   USERS: {
 346     NAME: { min: 1, max: 120 }, // Length
 347     DESCRIPTION: { min: 3, max: 1000 }, // Length
 348     USERNAME: { min: 1, max: 50 }, // Length
 349     PASSWORD: { min: 6, max: 255 }, // Length
 350     VIDEO_QUOTA: { min: -1 },
 351     VIDEO_QUOTA_DAILY: { min: -1 },
 352     BLOCKED_REASON: { min: 3, max: 250 } // Length
 353   },
 354   VIDEO_ABUSES: {
 355     REASON: { min: 2, max: 3000 }, // Length
 356     MODERATION_COMMENT: { min: 2, max: 3000 } // Length
 357   },
 358   VIDEO_BLACKLIST: {
 359     REASON: { min: 2, max: 300 } // Length
 360   },
 361   VIDEO_CHANNELS: {
 362     NAME: { min: 1, max: 120 }, // Length
 363     DESCRIPTION: { min: 3, max: 1000 }, // Length
 364     SUPPORT: { min: 3, max: 1000 }, // Length
 365     URL: { min: 3, max: 2000 } // Length
 366   },
 367   VIDEO_CAPTIONS: {
 368     CAPTION_FILE: {
 369       EXTNAME: [ '.vtt', '.srt' ],
 370       FILE_SIZE: {
 371         max: 2 * 1024 * 1024 // 2MB
 372       }
 373     }
 374   },
 375   VIDEO_IMPORTS: {
 376     URL: { min: 3, max: 2000 }, // Length
 377     TORRENT_NAME: { min: 3, max: 255 }, // Length
 378     TORRENT_FILE: {
 379       EXTNAME: [ '.torrent' ],
 380       FILE_SIZE: {
 381         max: 1024 * 200 // 200 KB
 382       }
 383     }
 384   },
 385   VIDEOS_REDUNDANCY: {
 386     URL: { min: 3, max: 2000 } // Length
 387   },
 388   VIDEO_RATES: {
 389     URL: { min: 3, max: 2000 } // Length
 390   },
 391   VIDEOS: {
 392     NAME: { min: 3, max: 120 }, // Length
 393     LANGUAGE: { min: 1, max: 10 }, // Length
 394     TRUNCATED_DESCRIPTION: { min: 3, max: 250 }, // Length
 395     DESCRIPTION: { min: 3, max: 10000 }, // Length
 396     SUPPORT: { min: 3, max: 1000 }, // Length
 397     IMAGE: {
 398       EXTNAME: [ '.jpg', '.jpeg' ],
 399       FILE_SIZE: {
 400         max: 2 * 1024 * 1024 // 2MB
 401       }
 402     },
 403     EXTNAME: buildVideosExtname(),
 404     INFO_HASH: { min: 40, max: 40 }, // Length, info hash is 20 bytes length but we represent it in hexadecimal so 20 * 2
 405     DURATION: { min: 0 }, // Number
 406     TAGS: { min: 0, max: 5 }, // Number of total tags
 407     TAG: { min: 2, max: 30 }, // Length
 408     THUMBNAIL: { min: 2, max: 30 },
 409     THUMBNAIL_DATA: { min: 0, max: 20000 }, // Bytes
 410     VIEWS: { min: 0 },
 411     LIKES: { min: 0 },
 412     DISLIKES: { min: 0 },
 413     FILE_SIZE: { min: 10 },
 414     URL: { min: 3, max: 2000 } // Length
 415   },
 416   VIDEO_PLAYLISTS: {
 417     NAME: { min: 1, max: 120 }, // Length
 418     DESCRIPTION: { min: 3, max: 1000 }, // Length
 419     URL: { min: 3, max: 2000 }, // Length
 420     IMAGE: {
 421       EXTNAME: [ '.jpg', '.jpeg' ],
 422       FILE_SIZE: {
 423         max: 2 * 1024 * 1024 // 2MB
 424       }
 425     }
 426   },
 427   ACTORS: {
 428     PUBLIC_KEY: { min: 10, max: 5000 }, // Length
 429     PRIVATE_KEY: { min: 10, max: 5000 }, // Length
 430     URL: { min: 3, max: 2000 }, // Length
 431     AVATAR: {
 432       EXTNAME: [ '.png', '.jpeg', '.jpg' ],
 433       FILE_SIZE: {
 434         max: 2 * 1024 * 1024 // 2MB
 435       }
 436     }
 437   },
 438   VIDEO_EVENTS: {
 439     COUNT: { min: 0 }
 440   },
 441   VIDEO_COMMENTS: {
 442     TEXT: { min: 1, max: 3000 }, // Length
 443     URL: { min: 3, max: 2000 } // Length
 444   },
 445   VIDEO_SHARE: {
 446     URL: { min: 3, max: 2000 } // Length
 447   },
 448   CONTACT_FORM: {
 449     FROM_NAME: { min: 1, max: 120 }, // Length
 450     BODY: { min: 3, max: 5000 } // Length
 451   }
 452 }
 453
 454 const RATES_LIMIT = {
 455   LOGIN: {
 456     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 457     MAX: 15 // 15 attempts
 458   },
 459   ASK_SEND_EMAIL: {
 460     WINDOW_MS: 5 * 60 * 1000, // 5 minutes
 461     MAX: 3 // 3 attempts
 462   }
 463 }
 464
 465 let VIDEO_VIEW_LIFETIME = 60000 * 60 // 1 hour
 466 let CONTACT_FORM_LIFETIME = 60000 * 60 // 1 hour
 467
 468 const VIDEO_TRANSCODING_FPS: VideoTranscodingFPS = {
 469   MIN: 10,
 470   AVERAGE: 30,
 471   MAX: 60,
 472   KEEP_ORIGIN_FPS_RESOLUTION_MIN: 720 // We keep the original FPS on high resolutions (720 minimum)
 473 }
 474
 475 const VIDEO_RATE_TYPES: { [ id: string ]: VideoRateType } = {
 476   LIKE: 'like',
 477   DISLIKE: 'dislike'
 478 }
 479
 480 const FFMPEG_NICE: { [ id: string ]: number } = {
 481   THUMBNAIL: 2, // 2 just for don't blocking servers
 482   TRANSCODING: 15
 483 }
 484
 485 const VIDEO_CATEGORIES = {
 486   1: 'Music',
 487   2: 'Films',
 488   3: 'Vehicles',
 489   4: 'Art',
 490   5: 'Sports',
 491   6: 'Travels',
 492   7: 'Gaming',
 493   8: 'People',
 494   9: 'Comedy',
 495   10: 'Entertainment',
 496   11: 'News & Politics',
 497   12: 'How To',
 498   13: 'Education',
 499   14: 'Activism',
 500   15: 'Science & Technology',
 501   16: 'Animals',
 502   17: 'Kids',
 503   18: 'Food'
 504 }
 505
 506 // See https://creativecommons.org/licenses/?lang=en
 507 const VIDEO_LICENCES = {
 508   1: 'Attribution',
 509   2: 'Attribution - Share Alike',
 510   3: 'Attribution - No Derivatives',
 511   4: 'Attribution - Non Commercial',
 512   5: 'Attribution - Non Commercial - Share Alike',
 513   6: 'Attribution - Non Commercial - No Derivatives',
 514   7: 'Public Domain Dedication'
 515 }
 516
 517 const VIDEO_LANGUAGES = buildLanguages()
 518
 519 const VIDEO_PRIVACIES = {
 520   [VideoPrivacy.PUBLIC]: 'Public',
 521   [VideoPrivacy.UNLISTED]: 'Unlisted',
 522   [VideoPrivacy.PRIVATE]: 'Private'
 523 }
 524
 525 const VIDEO_STATES = {
 526   [VideoState.PUBLISHED]: 'Published',
 527   [VideoState.TO_TRANSCODE]: 'To transcode',
 528   [VideoState.TO_IMPORT]: 'To import'
 529 }
 530
 531 const VIDEO_IMPORT_STATES = {
 532   [VideoImportState.FAILED]: 'Failed',
 533   [VideoImportState.PENDING]: 'Pending',
 534   [VideoImportState.SUCCESS]: 'Success'
 535 }
 536
 537 const VIDEO_ABUSE_STATES = {
 538   [VideoAbuseState.PENDING]: 'Pending',
 539   [VideoAbuseState.REJECTED]: 'Rejected',
 540   [VideoAbuseState.ACCEPTED]: 'Accepted'
 541 }
 542
 543 const VIDEO_PLAYLIST_PRIVACIES = {
 544   [VideoPlaylistPrivacy.PUBLIC]: 'Public',
 545   [VideoPlaylistPrivacy.UNLISTED]: 'Unlisted',
 546   [VideoPlaylistPrivacy.PRIVATE]: 'Private'
 547 }
 548
 549 const VIDEO_PLAYLIST_TYPES = {
 550   [VideoPlaylistType.REGULAR]: 'Regular',
 551   [VideoPlaylistType.WATCH_LATER]: 'Watch later'
 552 }
 553
 554 const MIMETYPES = {
 555   VIDEO: {
 556     MIMETYPE_EXT: buildVideoMimetypeExt(),
 557     EXT_MIMETYPE: null as { [ id: string ]: string }
 558   },
 559   IMAGE: {
 560     MIMETYPE_EXT: {
 561       'image/png': '.png',
 562       'image/jpg': '.jpg',
 563       'image/jpeg': '.jpg'
 564     }
 565   },
 566   VIDEO_CAPTIONS: {
 567     MIMETYPE_EXT: {
 568       'text/vtt': '.vtt',
 569       'application/x-subrip': '.srt'
 570     }
 571   },
 572   TORRENT: {
 573     MIMETYPE_EXT: {
 574       'application/x-bittorrent': '.torrent'
 575     }
 576   }
 577 }
 578 MIMETYPES.VIDEO.EXT_MIMETYPE = invert(MIMETYPES.VIDEO.MIMETYPE_EXT)
 579
 580 // ---------------------------------------------------------------------------
 581
 582 const OVERVIEWS = {
 583   VIDEOS: {
 584     SAMPLE_THRESHOLD: 6,
 585     SAMPLES_COUNT: 2
 586   }
 587 }
 588
 589 // ---------------------------------------------------------------------------
 590
 591 const SERVER_ACTOR_NAME = 'peertube'
 592
 593 const ACTIVITY_PUB = {
 594   POTENTIAL_ACCEPT_HEADERS: [
 595     'application/activity+json',
 596     'application/ld+json',
 597     'application/ld+json; profile="https://www.w3.org/ns/activitystreams"'
 598   ],
 599   ACCEPT_HEADER: 'application/activity+json, application/ld+json',
 600   PUBLIC: 'https://www.w3.org/ns/activitystreams#Public',
 601   COLLECTION_ITEMS_PER_PAGE: 10,
 602   FETCH_PAGE_LIMIT: 100,
 603   URL_MIME_TYPES: {
 604     VIDEO: Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT),
 605     TORRENT: [ 'application/x-bittorrent' ],
 606     MAGNET: [ 'application/x-bittorrent;x-scheme-handler/magnet' ]
 607   },
 608   MAX_RECURSION_COMMENTS: 100,
 609   ACTOR_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 610   VIDEO_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2, // 2 days
 611   VIDEO_PLAYLIST_REFRESH_INTERVAL: 3600 * 24 * 1000 * 2 // 2 days
 612 }
 613
 614 const ACTIVITY_PUB_ACTOR_TYPES: { [ id: string ]: ActivityPubActorType } = {
 615   GROUP: 'Group',
 616   PERSON: 'Person',
 617   APPLICATION: 'Application'
 618 }
 619
 620 const HTTP_SIGNATURE = {
 621   HEADER_NAME: 'signature',
 622   ALGORITHM: 'rsa-sha256',
 623   HEADERS_TO_SIGN: [ '(request-target)', 'host', 'date', 'digest' ]
 624 }
 625
 626 // ---------------------------------------------------------------------------
 627
 628 let PRIVATE_RSA_KEY_SIZE = 2048
 629
 630 // Password encryption
 631 const BCRYPT_SALT_SIZE = 10
 632
 633 const USER_PASSWORD_RESET_LIFETIME = 60000 * 5 // 5 minutes
 634
 635 const USER_EMAIL_VERIFY_LIFETIME = 60000 * 60 // 60 minutes
 636
 637 const NSFW_POLICY_TYPES: { [ id: string]: NSFWPolicyType } = {
 638   DO_NOT_LIST: 'do_not_list',
 639   BLUR: 'blur',
 640   DISPLAY: 'display'
 641 }
 642
 643 // ---------------------------------------------------------------------------
 644
 645 // Express static paths (router)
 646 const STATIC_PATHS = {
 647   PREVIEWS: '/static/previews/',
 648   THUMBNAILS: '/static/thumbnails/',
 649   TORRENTS: '/static/torrents/',
 650   WEBSEED: '/static/webseed/',
 651   REDUNDANCY: '/static/redundancy/',
 652   STREAMING_PLAYLISTS: {
 653     HLS: '/static/streaming-playlists/hls'
 654   },
 655   AVATARS: '/static/avatars/',
 656   VIDEO_CAPTIONS: '/static/video-captions/'
 657 }
 658 const STATIC_DOWNLOAD_PATHS = {
 659   TORRENTS: '/download/torrents/',
 660   VIDEOS: '/download/videos/'
 661 }
 662
 663 // Cache control
 664 let STATIC_MAX_AGE = '2h'
 665
 666 // Videos thumbnail size
 667 const THUMBNAILS_SIZE = {
 668   width: 223,
 669   height: 122
 670 }
 671 const PREVIEWS_SIZE = {
 672   width: 560,
 673   height: 315
 674 }
 675 const AVATARS_SIZE = {
 676   width: 120,
 677   height: 120
 678 }
 679
 680 const EMBED_SIZE = {
 681   width: 560,
 682   height: 315
 683 }
 684
 685 // Sub folders of cache directory
 686 const FILES_CACHE = {
 687   PREVIEWS: {
 688     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'previews'),
 689     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 690   },
 691   VIDEO_CAPTIONS: {
 692     DIRECTORY: join(CONFIG.STORAGE.CACHE_DIR, 'video-captions'),
 693     MAX_AGE: 1000 * 3600 * 3 // 3 hours
 694   }
 695 }
 696
 697 const CACHE = {
 698   USER_TOKENS: {
 699     MAX_SIZE: 10000
 700   }
 701 }
 702
 703 const HLS_STREAMING_PLAYLIST_DIRECTORY = join(CONFIG.STORAGE.STREAMING_PLAYLISTS_DIR, 'hls')
 704 const HLS_REDUNDANCY_DIRECTORY = join(CONFIG.STORAGE.REDUNDANCY_DIR, 'hls')
 705
 706 const MEMOIZE_TTL = {
 707   OVERVIEWS_SAMPLE: 1000 * 3600 * 4 // 4 hours
 708 }
 709
 710 const REDUNDANCY = {
 711   VIDEOS: {
 712     RANDOMIZED_FACTOR: 5
 713   }
 714 }
 715
 716 const ACCEPT_HEADERS = [ 'html', 'application/json' ].concat(ACTIVITY_PUB.POTENTIAL_ACCEPT_HEADERS)
 717
 718 // ---------------------------------------------------------------------------
 719
 720 const CUSTOM_HTML_TAG_COMMENTS = {
 721   TITLE: '<!-- title tag -->',
 722   DESCRIPTION: '<!-- description tag -->',
 723   CUSTOM_CSS: '<!-- custom css tag -->',
 724   META_TAGS: '<!-- meta tags -->'
 725 }
 726
 727 // ---------------------------------------------------------------------------
 728
 729 const FEEDS = {
 730   COUNT: 20
 731 }
 732
 733 // ---------------------------------------------------------------------------
 734
 735 const TRACKER_RATE_LIMITS = {
 736   INTERVAL: 60000 * 5, // 5 minutes
 737   ANNOUNCES_PER_IP_PER_INFOHASH: 15, // maximum announces per torrent in the interval
 738   ANNOUNCES_PER_IP: 30 // maximum announces for all our torrents in the interval
 739 }
 740
 741 const P2P_MEDIA_LOADER_PEER_VERSION = 2
 742
 743 // ---------------------------------------------------------------------------
 744
 745 // Special constants for a test instance
 746 if (isTestInstance() === true) {
 747   PRIVATE_RSA_KEY_SIZE = 1024
 748
 749   ACTOR_FOLLOW_SCORE.BASE = 20
 750
 751   REMOTE_SCHEME.HTTP = 'http'
 752   REMOTE_SCHEME.WS = 'ws'
 753
 754   STATIC_MAX_AGE = '0'
 755
 756   ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE = 2
 757   ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 758   ACTIVITY_PUB.VIDEO_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 759   ACTIVITY_PUB.VIDEO_PLAYLIST_REFRESH_INTERVAL = 10 * 1000 // 10 seconds
 760
 761   CONSTRAINTS_FIELDS.ACTORS.AVATAR.FILE_SIZE.max = 100 * 1024 // 100KB
 762
 763   SCHEDULER_INTERVALS_MS.actorFollowScores = 1000
 764   SCHEDULER_INTERVALS_MS.removeOldJobs = 10000
 765   SCHEDULER_INTERVALS_MS.updateVideos = 5000
 766   REPEAT_JOBS['videos-views'] = { every: 5000 }
 767
 768   REDUNDANCY.VIDEOS.RANDOMIZED_FACTOR = 1
 769
 770   VIDEO_VIEW_LIFETIME = 1000 // 1 second
 771   CONTACT_FORM_LIFETIME = 1000 // 1 second
 772
 773   JOB_ATTEMPTS['email'] = 1
 774
 775   FILES_CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
 776   MEMOIZE_TTL.OVERVIEWS_SAMPLE = 1
 777   ROUTE_CACHE_LIFETIME.OVERVIEWS.VIDEOS = '0ms'
 778
 779   RATES_LIMIT.LOGIN.MAX = 20
 780 }
 781
 782 updateWebserverUrls()
 783
 784 // ---------------------------------------------------------------------------
 785
 786 export {
 787   API_VERSION,
 788   HLS_REDUNDANCY_DIRECTORY,
 789   P2P_MEDIA_LOADER_PEER_VERSION,
 790   AVATARS_SIZE,
 791   ACCEPT_HEADERS,
 792   BCRYPT_SALT_SIZE,
 793   TRACKER_RATE_LIMITS,
 794   FILES_CACHE,
 795   CONFIG,
 796   CONSTRAINTS_FIELDS,
 797   EMBED_SIZE,
 798   REDUNDANCY,
 799   JOB_CONCURRENCY,
 800   JOB_ATTEMPTS,
 801   LAST_MIGRATION_VERSION,
 802   OAUTH_LIFETIME,
 803   CUSTOM_HTML_TAG_COMMENTS,
 804   BROADCAST_CONCURRENCY,
 805   PAGINATION,
 806   ACTOR_FOLLOW_SCORE,
 807   PREVIEWS_SIZE,
 808   REMOTE_SCHEME,
 809   FOLLOW_STATES,
 810   SERVER_ACTOR_NAME,
 811   PRIVATE_RSA_KEY_SIZE,
 812   ROUTE_CACHE_LIFETIME,
 813   SORTABLE_COLUMNS,
 814   HLS_STREAMING_PLAYLIST_DIRECTORY,
 815   FEEDS,
 816   JOB_TTL,
 817   NSFW_POLICY_TYPES,
 818   STATIC_MAX_AGE,
 819   STATIC_PATHS,
 820   VIDEO_IMPORT_TIMEOUT,
 821   VIDEO_PLAYLIST_TYPES,
 822   ACTIVITY_PUB,
 823   ACTIVITY_PUB_ACTOR_TYPES,
 824   THUMBNAILS_SIZE,
 825   VIDEO_CATEGORIES,
 826   VIDEO_LANGUAGES,
 827   VIDEO_PRIVACIES,
 828   VIDEO_LICENCES,
 829   VIDEO_STATES,
 830   VIDEO_RATE_TYPES,
 831   VIDEO_TRANSCODING_FPS,
 832   FFMPEG_NICE,
 833   VIDEO_ABUSE_STATES,
 834   CACHE,
 835   JOB_REQUEST_TIMEOUT,
 836   USER_PASSWORD_RESET_LIFETIME,
 837   MEMOIZE_TTL,
 838   USER_EMAIL_VERIFY_LIFETIME,
 839   OVERVIEWS,
 840   SCHEDULER_INTERVALS_MS,
 841   REPEAT_JOBS,
 842   STATIC_DOWNLOAD_PATHS,
 843   RATES_LIMIT,
 844   MIMETYPES,
 845   CRAWL_REQUEST_CONCURRENCY,
 846   JOB_COMPLETED_LIFETIME,
 847   HTTP_SIGNATURE,
 848   VIDEO_IMPORT_STATES,
 849   VIDEO_VIEW_LIFETIME,
 850   CONTACT_FORM_LIFETIME,
 851   VIDEO_PLAYLIST_PRIVACIES,
 852   buildLanguages
 853 }
 854
 855 // ---------------------------------------------------------------------------
 856
 857 function getLocalConfigFilePath () {
 858   const configSources = config.util.getConfigSources()
 859   if (configSources.length === 0) throw new Error('Invalid config source.')
 860
 861   let filename = 'local'
 862   if (process.env.NODE_ENV) filename += `-${process.env.NODE_ENV}`
 863   if (process.env.NODE_APP_INSTANCE) filename += `-${process.env.NODE_APP_INSTANCE}`
 864
 865   return join(dirname(configSources[ 0 ].name), filename + '.json')
 866 }
 867
 868 function buildVideoMimetypeExt () {
 869   const data = {
 870     'video/webm': '.webm',
 871     'video/ogg': '.ogv',
 872     'video/mp4': '.mp4'
 873   }
 874
 875   if (CONFIG.TRANSCODING.ENABLED && CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS) {
 876     Object.assign(data, {
 877       'video/quicktime': '.mov',
 878       'video/x-msvideo': '.avi',
 879       'video/x-flv': '.flv',
 880       'video/x-matroska': '.mkv',
 881       'application/octet-stream': '.mkv',
 882       'video/avi': '.avi'
 883     })
 884   }
 885
 886   return data
 887 }
 888
 889 function updateWebserverUrls () {
 890   CONFIG.WEBSERVER.URL = sanitizeUrl(CONFIG.WEBSERVER.SCHEME + '://' + CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT)
 891   CONFIG.WEBSERVER.HOST = sanitizeHost(CONFIG.WEBSERVER.HOSTNAME + ':' + CONFIG.WEBSERVER.PORT, REMOTE_SCHEME.HTTP)
 892 }
 893
 894 function updateWebserverConfig () {
 895   CONSTRAINTS_FIELDS.VIDEOS.EXTNAME = buildVideosExtname()
 896
 897   MIMETYPES.VIDEO.MIMETYPE_EXT = buildVideoMimetypeExt()
 898   MIMETYPES.VIDEO.EXT_MIMETYPE = invert(MIMETYPES.VIDEO.MIMETYPE_EXT)
 899 }
 900
 901 function buildVideosExtname () {
 902   return CONFIG.TRANSCODING.ENABLED && CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS
 903     ? [ '.mp4', '.ogv', '.webm', '.mkv', '.mov', '.avi', '.flv' ]
 904     : [ '.mp4', '.ogv', '.webm' ]
 905 }
 906
 907 function buildVideosRedundancy (objs: any[]): VideosRedundancy[] {
 908   if (!objs) return []
 909
 910   if (!Array.isArray(objs)) return objs
 911
 912   return objs.map(obj => {
 913     return Object.assign({}, obj, {
 914       minLifetime: parseDuration(obj.min_lifetime),
 915       size: bytes.parse(obj.size),
 916       minViews: obj.min_views
 917     })
 918   })
 919 }
 920
 921 function buildLanguages () {
 922   const iso639 = require('iso-639-3')
 923
 924   const languages: { [ id: string ]: string } = {}
 925
 926   const additionalLanguages = {
 927     'sgn': true, // Sign languages (macro language)
 928     'ase': true, // American sign language
 929     'sdl': true, // Arabian sign language
 930     'bfi': true, // British sign language
 931     'bzs': true, // Brazilian sign language
 932     'csl': true, // Chinese sign language
 933     'cse': true, // Czech sign language
 934     'dsl': true, // Danish sign language
 935     'fsl': true, // French sign language
 936     'gsg': true, // German sign language
 937     'pks': true, // Pakistan sign language
 938     'jsl': true, // Japanese sign language
 939     'sfs': true, // South African sign language
 940     'swl': true, // Swedish sign language
 941     'rsl': true, // Russian sign language: true
 942
 943     'epo': true, // Esperanto
 944     'tlh': true, // Klingon
 945     'jbo': true, // Lojban
 946     'avk': true // Kotava
 947   }
 948
 949   // Only add ISO639-1 languages and some sign languages (ISO639-3)
 950   iso639
 951     .filter(l => {
 952       return (l.iso6391 !== null && l.type === 'living') ||
 953         additionalLanguages[l.iso6393] === true
 954     })
 955     .forEach(l => languages[l.iso6391 || l.iso6393] = l.name)
 956
 957   // Override Occitan label
 958   languages['oc'] = 'Occitan'
 959
 960   return languages
 961 }
 962
 963 export function reloadConfig () {
 964
 965   function directory () {
 966     if (process.env.NODE_CONFIG_DIR) {
 967       return process.env.NODE_CONFIG_DIR
 968     }
 969
 970     return join(root(), 'config')
 971   }
 972
 973   function purge () {
 974     for (const fileName in require.cache) {
 975       if (-1 === fileName.indexOf(directory())) {
 976         continue
 977       }
 978
 979       delete require.cache[fileName]
 980     }
 981
 982     delete require.cache[require.resolve('config')]
 983   }
 984
 985   purge()
 986
 987   config = require('config')
 988
 989   updateWebserverConfig()
 990   updateWebserverUrls()
 991 }