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