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