server/models/activitypub/actor.ts

   1 import { values } from 'lodash'
   2 import { extname } from 'path'
   3 import * as Sequelize from 'sequelize'
   4 import {
   5   AllowNull,
   6   BelongsTo,
   7   Column,
   8   CreatedAt,
   9   DataType,
  10   Default,
  11   DefaultScope,
  12   ForeignKey,
  13   HasMany,
  14   HasOne,
  15   Is,
  16   IsUUID,
  17   Model,
  18   Scopes,
  19   Table,
  20   UpdatedAt
  21 } from 'sequelize-typescript'
  22 import { ActivityPubActorType } from '../../../shared/models/activitypub'
  23 import { Avatar } from '../../../shared/models/avatars/avatar.model'
  24 import { activityPubContextify } from '../../helpers/activitypub'
  25 import {
  26   isActorFollowersCountValid,
  27   isActorFollowingCountValid,
  28   isActorPreferredUsernameValid,
  29   isActorPrivateKeyValid,
  30   isActorPublicKeyValid
  31 } from '../../helpers/custom-validators/activitypub/actor'
  32 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
  33 import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
  34 import { AccountModel } from '../account/account'
  35 import { AvatarModel } from '../avatar/avatar'
  36 import { ServerModel } from '../server/server'
  37 import { throwIfNotValid } from '../utils'
  38 import { VideoChannelModel } from '../video/video-channel'
  39 import { ActorFollowModel } from './actor-follow'
  40 import { VideoModel } from '../video/video'
  41
  42 enum ScopeNames {
  43   FULL = 'FULL'
  44 }
  45
  46 export const unusedActorAttributesForAPI = [
  47   'publicKey',
  48   'privateKey',
  49   'inboxUrl',
  50   'outboxUrl',
  51   'sharedInboxUrl',
  52   'followersUrl',
  53   'followingUrl',
  54   'url',
  55   'createdAt',
  56   'updatedAt'
  57 ]
  58
  59 @DefaultScope({
  60   include: [
  61     {
  62       model: () => ServerModel,
  63       required: false
  64     },
  65     {
  66       model: () => AvatarModel,
  67       required: false
  68     }
  69   ]
  70 })
  71 @Scopes({
  72   [ScopeNames.FULL]: {
  73     include: [
  74       {
  75         model: () => AccountModel.unscoped(),
  76         required: false
  77       },
  78       {
  79         model: () => VideoChannelModel.unscoped(),
  80         required: false,
  81         include: [
  82           {
  83             model: () => AccountModel,
  84             required: true
  85           }
  86         ]
  87       },
  88       {
  89         model: () => ServerModel,
  90         required: false
  91       },
  92       {
  93         model: () => AvatarModel,
  94         required: false
  95       }
  96     ]
  97   }
  98 })
  99 @Table({
 100   tableName: 'actor',
 101   indexes: [
 102     {
 103       fields: [ 'url' ],
 104       unique: true
 105     },
 106     {
 107       fields: [ 'preferredUsername', 'serverId' ],
 108       unique: true
 109     },
 110     {
 111       fields: [ 'inboxUrl', 'sharedInboxUrl' ]
 112     },
 113     {
 114       fields: [ 'sharedInboxUrl' ]
 115     },
 116     {
 117       fields: [ 'serverId' ]
 118     },
 119     {
 120       fields: [ 'avatarId' ]
 121     },
 122     {
 123       fields: [ 'uuid' ],
 124       unique: true
 125     },
 126     {
 127       fields: [ 'followersUrl' ]
 128     }
 129   ]
 130 })
 131 export class ActorModel extends Model<ActorModel> {
 132
 133   @AllowNull(false)
 134   @Column(DataType.ENUM(values(ACTIVITY_PUB_ACTOR_TYPES)))
 135   type: ActivityPubActorType
 136
 137   @AllowNull(false)
 138   @Default(DataType.UUIDV4)
 139   @IsUUID(4)
 140   @Column(DataType.UUID)
 141   uuid: string
 142
 143   @AllowNull(false)
 144   @Is('ActorPreferredUsername', value => throwIfNotValid(value, isActorPreferredUsernameValid, 'actor preferred username'))
 145   @Column
 146   preferredUsername: string
 147
 148   @AllowNull(false)
 149   @Is('ActorUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
 150   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 151   url: string
 152
 153   @AllowNull(true)
 154   @Is('ActorPublicKey', value => throwIfNotValid(value, isActorPublicKeyValid, 'public key'))
 155   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY.max))
 156   publicKey: string
 157
 158   @AllowNull(true)
 159   @Is('ActorPublicKey', value => throwIfNotValid(value, isActorPrivateKeyValid, 'private key'))
 160   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY.max))
 161   privateKey: string
 162
 163   @AllowNull(false)
 164   @Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowersCountValid, 'followers count'))
 165   @Column
 166   followersCount: number
 167
 168   @AllowNull(false)
 169   @Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowingCountValid, 'following count'))
 170   @Column
 171   followingCount: number
 172
 173   @AllowNull(false)
 174   @Is('ActorInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'inbox url'))
 175   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 176   inboxUrl: string
 177
 178   @AllowNull(false)
 179   @Is('ActorOutboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'outbox url'))
 180   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 181   outboxUrl: string
 182
 183   @AllowNull(false)
 184   @Is('ActorSharedInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'shared inbox url'))
 185   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 186   sharedInboxUrl: string
 187
 188   @AllowNull(false)
 189   @Is('ActorFollowersUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'followers url'))
 190   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 191   followersUrl: string
 192
 193   @AllowNull(false)
 194   @Is('ActorFollowingUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'following url'))
 195   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 196   followingUrl: string
 197
 198   @CreatedAt
 199   createdAt: Date
 200
 201   @UpdatedAt
 202   updatedAt: Date
 203
 204   @ForeignKey(() => AvatarModel)
 205   @Column
 206   avatarId: number
 207
 208   @BelongsTo(() => AvatarModel, {
 209     foreignKey: {
 210       allowNull: true
 211     },
 212     onDelete: 'set null',
 213     hooks: true
 214   })
 215   Avatar: AvatarModel
 216
 217   @HasMany(() => ActorFollowModel, {
 218     foreignKey: {
 219       name: 'actorId',
 220       allowNull: false
 221     },
 222     onDelete: 'cascade'
 223   })
 224   ActorFollowing: ActorFollowModel[]
 225
 226   @HasMany(() => ActorFollowModel, {
 227     foreignKey: {
 228       name: 'targetActorId',
 229       allowNull: false
 230     },
 231     as: 'ActorFollowers',
 232     onDelete: 'cascade'
 233   })
 234   ActorFollowers: ActorFollowModel[]
 235
 236   @ForeignKey(() => ServerModel)
 237   @Column
 238   serverId: number
 239
 240   @BelongsTo(() => ServerModel, {
 241     foreignKey: {
 242       allowNull: true
 243     },
 244     onDelete: 'cascade'
 245   })
 246   Server: ServerModel
 247
 248   @HasOne(() => AccountModel, {
 249     foreignKey: {
 250       allowNull: true
 251     },
 252     onDelete: 'cascade',
 253     hooks: true
 254   })
 255   Account: AccountModel
 256
 257   @HasOne(() => VideoChannelModel, {
 258     foreignKey: {
 259       allowNull: true
 260     },
 261     onDelete: 'cascade',
 262     hooks: true
 263   })
 264   VideoChannel: VideoChannelModel
 265
 266   static load (id: number) {
 267     return ActorModel.unscoped().findById(id)
 268   }
 269
 270   static loadAccountActorByVideoId (videoId: number, transaction: Sequelize.Transaction) {
 271     const query = {
 272       include: [
 273         {
 274           attributes: [ 'id' ],
 275           model: AccountModel.unscoped(),
 276           required: true,
 277           include: [
 278             {
 279               attributes: [ 'id' ],
 280               model: VideoChannelModel.unscoped(),
 281               required: true,
 282               include: {
 283                 attributes: [ 'id' ],
 284                 model: VideoModel.unscoped(),
 285                 required: true,
 286                 where: {
 287                   id: videoId
 288                 }
 289               }
 290             }
 291           ]
 292         }
 293       ],
 294       transaction
 295     }
 296
 297     return ActorModel.unscoped().findOne(query as any) // FIXME: typings
 298   }
 299
 300   static isActorUrlExist (url: string) {
 301     const query = {
 302       raw: true,
 303       where: {
 304         url
 305       }
 306     }
 307
 308     return ActorModel.unscoped().findOne(query)
 309       .then(a => !!a)
 310   }
 311
 312   static listByFollowersUrls (followersUrls: string[], transaction?: Sequelize.Transaction) {
 313     const query = {
 314       where: {
 315         followersUrl: {
 316           [ Sequelize.Op.in ]: followersUrls
 317         }
 318       },
 319       transaction
 320     }
 321
 322     return ActorModel.scope(ScopeNames.FULL).findAll(query)
 323   }
 324
 325   static loadLocalByName (preferredUsername: string, transaction?: Sequelize.Transaction) {
 326     const query = {
 327       where: {
 328         preferredUsername,
 329         serverId: null
 330       },
 331       transaction
 332     }
 333
 334     return ActorModel.scope(ScopeNames.FULL).findOne(query)
 335   }
 336
 337   static loadByNameAndHost (preferredUsername: string, host: string) {
 338     const query = {
 339       where: {
 340         preferredUsername
 341       },
 342       include: [
 343         {
 344           model: ServerModel,
 345           required: true,
 346           where: {
 347             host
 348           }
 349         }
 350       ]
 351     }
 352
 353     return ActorModel.scope(ScopeNames.FULL).findOne(query)
 354   }
 355
 356   static loadByUrl (url: string, transaction?: Sequelize.Transaction) {
 357     const query = {
 358       where: {
 359         url
 360       },
 361       transaction,
 362       include: [
 363         {
 364           attributes: [ 'id' ],
 365           model: AccountModel.unscoped(),
 366           required: false
 367         },
 368         {
 369           attributes: [ 'id' ],
 370           model: VideoChannelModel.unscoped(),
 371           required: false
 372         }
 373       ]
 374     }
 375
 376     return ActorModel.unscoped().findOne(query)
 377   }
 378
 379   static loadByUrlAndPopulateAccountAndChannel (url: string, transaction?: Sequelize.Transaction) {
 380     const query = {
 381       where: {
 382         url
 383       },
 384       transaction
 385     }
 386
 387     return ActorModel.scope(ScopeNames.FULL).findOne(query)
 388   }
 389
 390   static incrementFollows (id: number, column: 'followersCount' | 'followingCount', by: number) {
 391     // FIXME: typings
 392     return (ActorModel as any).increment(column, {
 393       by,
 394       where: {
 395         id
 396       }
 397     })
 398   }
 399
 400   toFormattedJSON () {
 401     let avatar: Avatar = null
 402     if (this.Avatar) {
 403       avatar = this.Avatar.toFormattedJSON()
 404     }
 405
 406     return {
 407       id: this.id,
 408       url: this.url,
 409       uuid: this.uuid,
 410       name: this.preferredUsername,
 411       host: this.getHost(),
 412       hostRedundancyAllowed: this.getRedundancyAllowed(),
 413       followingCount: this.followingCount,
 414       followersCount: this.followersCount,
 415       avatar,
 416       createdAt: this.createdAt,
 417       updatedAt: this.updatedAt
 418     }
 419   }
 420
 421   toActivityPubObject (name: string, type: 'Account' | 'Application' | 'VideoChannel') {
 422     let activityPubType
 423     if (type === 'Account') {
 424       activityPubType = 'Person' as 'Person'
 425     } else if (type === 'Application') {
 426       activityPubType = 'Application' as 'Application'
 427     } else { // VideoChannel
 428       activityPubType = 'Group' as 'Group'
 429     }
 430
 431     let icon = undefined
 432     if (this.avatarId) {
 433       const extension = extname(this.Avatar.filename)
 434       icon = {
 435         type: 'Image',
 436         mediaType: extension === '.png' ? 'image/png' : 'image/jpeg',
 437         url: this.getAvatarUrl()
 438       }
 439     }
 440
 441     const json = {
 442       type: activityPubType,
 443       id: this.url,
 444       following: this.getFollowingUrl(),
 445       followers: this.getFollowersUrl(),
 446       inbox: this.inboxUrl,
 447       outbox: this.outboxUrl,
 448       preferredUsername: this.preferredUsername,
 449       url: this.url,
 450       name,
 451       endpoints: {
 452         sharedInbox: this.sharedInboxUrl
 453       },
 454       uuid: this.uuid,
 455       publicKey: {
 456         id: this.getPublicKeyUrl(),
 457         owner: this.url,
 458         publicKeyPem: this.publicKey
 459       },
 460       icon
 461     }
 462
 463     return activityPubContextify(json)
 464   }
 465
 466   getFollowerSharedInboxUrls (t: Sequelize.Transaction) {
 467     const query = {
 468       attributes: [ 'sharedInboxUrl' ],
 469       include: [
 470         {
 471           attribute: [],
 472           model: ActorFollowModel.unscoped(),
 473           required: true,
 474           as: 'ActorFollowing',
 475           where: {
 476             state: 'accepted',
 477             targetActorId: this.id
 478           }
 479         }
 480       ],
 481       transaction: t
 482     }
 483
 484     return ActorModel.findAll(query)
 485       .then(accounts => accounts.map(a => a.sharedInboxUrl))
 486   }
 487
 488   getFollowingUrl () {
 489     return this.url + '/following'
 490   }
 491
 492   getFollowersUrl () {
 493     return this.url + '/followers'
 494   }
 495
 496   getPublicKeyUrl () {
 497     return this.url + '#main-key'
 498   }
 499
 500   isOwned () {
 501     return this.serverId === null
 502   }
 503
 504   getWebfingerUrl () {
 505     return 'acct:' + this.preferredUsername + '@' + this.getHost()
 506   }
 507
 508   getIdentifier () {
 509     return this.Server ? `${this.preferredUsername}@${this.Server.host}` : this.preferredUsername
 510   }
 511
 512   getHost () {
 513     return this.Server ? this.Server.host : CONFIG.WEBSERVER.HOST
 514   }
 515
 516   getRedundancyAllowed () {
 517     return this.Server ? this.Server.redundancyAllowed : false
 518   }
 519
 520   getAvatarUrl () {
 521     if (!this.avatarId) return undefined
 522
 523     return CONFIG.WEBSERVER.URL + this.Avatar.getWebserverPath()
 524   }
 525
 526   isOutdated () {
 527     if (this.isOwned()) return false
 528
 529     const now = Date.now()
 530     const createdAtTime = this.createdAt.getTime()
 531     const updatedAtTime = this.updatedAt.getTime()
 532
 533     return (now - createdAtTime) > ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL &&
 534       (now - updatedAtTime) > ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL
 535   }
 536 }