server/models/activitypub/actor.ts

   1 import { values } from 'lodash'
   2 import { extname } from 'path'
   3 import {
   4   AllowNull,
   5   BelongsTo,
   6   Column,
   7   CreatedAt,
   8   DataType,
   9   DefaultScope,
  10   ForeignKey,
  11   HasMany,
  12   HasOne,
  13   Is,
  14   Model,
  15   Scopes,
  16   Table,
  17   UpdatedAt
  18 } from 'sequelize-typescript'
  19 import { ActivityIconObject, ActivityPubActorType } from '../../../shared/models/activitypub'
  20 import { Avatar } from '../../../shared/models/avatars/avatar.model'
  21 import { activityPubContextify } from '../../helpers/activitypub'
  22 import {
  23   isActorFollowersCountValid,
  24   isActorFollowingCountValid,
  25   isActorPreferredUsernameValid,
  26   isActorPrivateKeyValid,
  27   isActorPublicKeyValid
  28 } from '../../helpers/custom-validators/activitypub/actor'
  29 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
  30 import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONSTRAINTS_FIELDS, SERVER_ACTOR_NAME, WEBSERVER } from '../../initializers/constants'
  31 import { AccountModel } from '../account/account'
  32 import { AvatarModel } from '../avatar/avatar'
  33 import { ServerModel } from '../server/server'
  34 import { isOutdated, throwIfNotValid } from '../utils'
  35 import { VideoChannelModel } from '../video/video-channel'
  36 import { ActorFollowModel } from './actor-follow'
  37 import { VideoModel } from '../video/video'
  38 import {
  39   MActor,
  40   MActorAccountChannelId,
  41   MActorAP,
  42   MActorFormattable,
  43   MActorFull,
  44   MActorHost,
  45   MActorServer,
  46   MActorSummaryFormattable, MActorUrl,
  47   MActorWithInboxes
  48 } from '../../typings/models'
  49 import * as Bluebird from 'bluebird'
  50 import { Op, Transaction, literal } from 'sequelize'
  51 import { ModelCache } from '@server/models/model-cache'
  52
  53 enum ScopeNames {
  54   FULL = 'FULL'
  55 }
  56
  57 export const unusedActorAttributesForAPI = [
  58   'publicKey',
  59   'privateKey',
  60   'inboxUrl',
  61   'outboxUrl',
  62   'sharedInboxUrl',
  63   'followersUrl',
  64   'followingUrl',
  65   'url',
  66   'createdAt',
  67   'updatedAt'
  68 ]
  69
  70 @DefaultScope(() => ({
  71   include: [
  72     {
  73       model: ServerModel,
  74       required: false
  75     },
  76     {
  77       model: AvatarModel,
  78       required: false
  79     }
  80   ]
  81 }))
  82 @Scopes(() => ({
  83   [ScopeNames.FULL]: {
  84     include: [
  85       {
  86         model: AccountModel.unscoped(),
  87         required: false
  88       },
  89       {
  90         model: VideoChannelModel.unscoped(),
  91         required: false,
  92         include: [
  93           {
  94             model: AccountModel,
  95             required: true
  96           }
  97         ]
  98       },
  99       {
 100         model: ServerModel,
 101         required: false
 102       },
 103       {
 104         model: AvatarModel,
 105         required: false
 106       }
 107     ]
 108   }
 109 }))
 110 @Table({
 111   tableName: 'actor',
 112   indexes: [
 113     {
 114       fields: [ 'url' ],
 115       unique: true
 116     },
 117     {
 118       fields: [ 'preferredUsername', 'serverId' ],
 119       unique: true,
 120       where: {
 121         serverId: {
 122           [Op.ne]: null
 123         }
 124       }
 125     },
 126     // {
 127     //   fields: [ 'preferredUsername' ],
 128     //   unique: true,
 129     //   where: {
 130     //     serverId: null
 131     //   }
 132     // },
 133     {
 134       fields: [ 'inboxUrl', 'sharedInboxUrl' ]
 135     },
 136     {
 137       fields: [ 'sharedInboxUrl' ]
 138     },
 139     {
 140       fields: [ 'serverId' ]
 141     },
 142     {
 143       fields: [ 'avatarId' ]
 144     },
 145     {
 146       fields: [ 'followersUrl' ]
 147     }
 148   ]
 149 })
 150 export class ActorModel extends Model<ActorModel> {
 151
 152   @AllowNull(false)
 153   @Column(DataType.ENUM(...values(ACTIVITY_PUB_ACTOR_TYPES)))
 154   type: ActivityPubActorType
 155
 156   @AllowNull(false)
 157   @Is('ActorPreferredUsername', value => throwIfNotValid(value, isActorPreferredUsernameValid, 'actor preferred username'))
 158   @Column
 159   preferredUsername: string
 160
 161   @AllowNull(false)
 162   @Is('ActorUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
 163   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 164   url: string
 165
 166   @AllowNull(true)
 167   @Is('ActorPublicKey', value => throwIfNotValid(value, isActorPublicKeyValid, 'public key', true))
 168   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY.max))
 169   publicKey: string
 170
 171   @AllowNull(true)
 172   @Is('ActorPublicKey', value => throwIfNotValid(value, isActorPrivateKeyValid, 'private key', true))
 173   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY.max))
 174   privateKey: string
 175
 176   @AllowNull(false)
 177   @Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowersCountValid, 'followers count'))
 178   @Column
 179   followersCount: number
 180
 181   @AllowNull(false)
 182   @Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowingCountValid, 'following count'))
 183   @Column
 184   followingCount: number
 185
 186   @AllowNull(false)
 187   @Is('ActorInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'inbox url'))
 188   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 189   inboxUrl: string
 190
 191   @AllowNull(true)
 192   @Is('ActorOutboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'outbox url', true))
 193   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 194   outboxUrl: string
 195
 196   @AllowNull(true)
 197   @Is('ActorSharedInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'shared inbox url', true))
 198   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 199   sharedInboxUrl: string
 200
 201   @AllowNull(true)
 202   @Is('ActorFollowersUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'followers url', true))
 203   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 204   followersUrl: string
 205
 206   @AllowNull(true)
 207   @Is('ActorFollowingUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'following url', true))
 208   @Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
 209   followingUrl: string
 210
 211   @CreatedAt
 212   createdAt: Date
 213
 214   @UpdatedAt
 215   updatedAt: Date
 216
 217   @ForeignKey(() => AvatarModel)
 218   @Column
 219   avatarId: number
 220
 221   @BelongsTo(() => AvatarModel, {
 222     foreignKey: {
 223       allowNull: true
 224     },
 225     onDelete: 'set null',
 226     hooks: true
 227   })
 228   Avatar: AvatarModel
 229
 230   @HasMany(() => ActorFollowModel, {
 231     foreignKey: {
 232       name: 'actorId',
 233       allowNull: false
 234     },
 235     as: 'ActorFollowings',
 236     onDelete: 'cascade'
 237   })
 238   ActorFollowing: ActorFollowModel[]
 239
 240   @HasMany(() => ActorFollowModel, {
 241     foreignKey: {
 242       name: 'targetActorId',
 243       allowNull: false
 244     },
 245     as: 'ActorFollowers',
 246     onDelete: 'cascade'
 247   })
 248   ActorFollowers: ActorFollowModel[]
 249
 250   @ForeignKey(() => ServerModel)
 251   @Column
 252   serverId: number
 253
 254   @BelongsTo(() => ServerModel, {
 255     foreignKey: {
 256       allowNull: true
 257     },
 258     onDelete: 'cascade'
 259   })
 260   Server: ServerModel
 261
 262   @HasOne(() => AccountModel, {
 263     foreignKey: {
 264       allowNull: true
 265     },
 266     onDelete: 'cascade',
 267     hooks: true
 268   })
 269   Account: AccountModel
 270
 271   @HasOne(() => VideoChannelModel, {
 272     foreignKey: {
 273       allowNull: true
 274     },
 275     onDelete: 'cascade',
 276     hooks: true
 277   })
 278   VideoChannel: VideoChannelModel
 279
 280   static load (id: number): Bluebird<MActor> {
 281     return ActorModel.unscoped().findByPk(id)
 282   }
 283
 284   static loadFull (id: number): Bluebird<MActorFull> {
 285     return ActorModel.scope(ScopeNames.FULL).findByPk(id)
 286   }
 287
 288   static loadFromAccountByVideoId (videoId: number, transaction: Transaction): Bluebird<MActor> {
 289     const query = {
 290       include: [
 291         {
 292           attributes: [ 'id' ],
 293           model: AccountModel.unscoped(),
 294           required: true,
 295           include: [
 296             {
 297               attributes: [ 'id' ],
 298               model: VideoChannelModel.unscoped(),
 299               required: true,
 300               include: [
 301                 {
 302                   attributes: [ 'id' ],
 303                   model: VideoModel.unscoped(),
 304                   required: true,
 305                   where: {
 306                     id: videoId
 307                   }
 308                 }
 309               ]
 310             }
 311           ]
 312         }
 313       ],
 314       transaction
 315     }
 316
 317     return ActorModel.unscoped().findOne(query)
 318   }
 319
 320   static isActorUrlExist (url: string) {
 321     const query = {
 322       raw: true,
 323       where: {
 324         url
 325       }
 326     }
 327
 328     return ActorModel.unscoped().findOne(query)
 329       .then(a => !!a)
 330   }
 331
 332   static listByFollowersUrls (followersUrls: string[], transaction?: Transaction): Bluebird<MActorFull[]> {
 333     const query = {
 334       where: {
 335         followersUrl: {
 336           [Op.in]: followersUrls
 337         }
 338       },
 339       transaction
 340     }
 341
 342     return ActorModel.scope(ScopeNames.FULL).findAll(query)
 343   }
 344
 345   static loadLocalByName (preferredUsername: string, transaction?: Transaction): Bluebird<MActorFull> {
 346     const fun = () => {
 347       const query = {
 348         where: {
 349           preferredUsername,
 350           serverId: null
 351         },
 352         transaction
 353       }
 354
 355       return ActorModel.scope(ScopeNames.FULL)
 356                        .findOne(query)
 357     }
 358
 359     return ModelCache.Instance.doCache({
 360       cacheType: 'local-actor-name',
 361       key: preferredUsername,
 362       // The server actor never change, so we can easily cache it
 363       whitelist: () => preferredUsername === SERVER_ACTOR_NAME,
 364       fun
 365     })
 366   }
 367
 368   static loadLocalUrlByName (preferredUsername: string, transaction?: Transaction): Bluebird<MActorUrl> {
 369     const fun = () => {
 370       const query = {
 371         attributes: [ 'url' ],
 372         where: {
 373           preferredUsername,
 374           serverId: null
 375         },
 376         transaction
 377       }
 378
 379       return ActorModel.unscoped()
 380                        .findOne(query)
 381     }
 382
 383     return ModelCache.Instance.doCache({
 384       cacheType: 'local-actor-name',
 385       key: preferredUsername,
 386       // The server actor never change, so we can easily cache it
 387       whitelist: () => preferredUsername === SERVER_ACTOR_NAME,
 388       fun
 389     })
 390   }
 391
 392   static loadByNameAndHost (preferredUsername: string, host: string): Bluebird<MActorFull> {
 393     const query = {
 394       where: {
 395         preferredUsername
 396       },
 397       include: [
 398         {
 399           model: ServerModel,
 400           required: true,
 401           where: {
 402             host
 403           }
 404         }
 405       ]
 406     }
 407
 408     return ActorModel.scope(ScopeNames.FULL).findOne(query)
 409   }
 410
 411   static loadByUrl (url: string, transaction?: Transaction): Bluebird<MActorAccountChannelId> {
 412     const query = {
 413       where: {
 414         url
 415       },
 416       transaction,
 417       include: [
 418         {
 419           attributes: [ 'id' ],
 420           model: AccountModel.unscoped(),
 421           required: false
 422         },
 423         {
 424           attributes: [ 'id' ],
 425           model: VideoChannelModel.unscoped(),
 426           required: false
 427         }
 428       ]
 429     }
 430
 431     return ActorModel.unscoped().findOne(query)
 432   }
 433
 434   static loadByUrlAndPopulateAccountAndChannel (url: string, transaction?: Transaction): Bluebird<MActorFull> {
 435     const query = {
 436       where: {
 437         url
 438       },
 439       transaction
 440     }
 441
 442     return ActorModel.scope(ScopeNames.FULL).findOne(query)
 443   }
 444
 445   static rebuildFollowsCount (ofId: number, type: 'followers' | 'following', transaction?: Transaction) {
 446     const sanitizedOfId = parseInt(ofId + '', 10)
 447     const where = { id: sanitizedOfId }
 448
 449     let columnToUpdate: string
 450     let columnOfCount: string
 451
 452     if (type === 'followers') {
 453       columnToUpdate = 'followersCount'
 454       columnOfCount = 'targetActorId'
 455     } else {
 456       columnToUpdate = 'followingCount'
 457       columnOfCount = 'actorId'
 458     }
 459
 460     return ActorModel.update({
 461       [columnToUpdate]: literal(`(SELECT COUNT(*) FROM "actorFollow" WHERE "${columnOfCount}" = ${sanitizedOfId})`)
 462     }, { where, transaction })
 463   }
 464
 465   getSharedInbox (this: MActorWithInboxes) {
 466     return this.sharedInboxUrl || this.inboxUrl
 467   }
 468
 469   toFormattedSummaryJSON (this: MActorSummaryFormattable) {
 470     let avatar: Avatar = null
 471     if (this.Avatar) {
 472       avatar = this.Avatar.toFormattedJSON()
 473     }
 474
 475     return {
 476       url: this.url,
 477       name: this.preferredUsername,
 478       host: this.getHost(),
 479       avatar
 480     }
 481   }
 482
 483   toFormattedJSON (this: MActorFormattable) {
 484     const base = this.toFormattedSummaryJSON()
 485
 486     return Object.assign(base, {
 487       id: this.id,
 488       hostRedundancyAllowed: this.getRedundancyAllowed(),
 489       followingCount: this.followingCount,
 490       followersCount: this.followersCount,
 491       createdAt: this.createdAt,
 492       updatedAt: this.updatedAt
 493     })
 494   }
 495
 496   toActivityPubObject (this: MActorAP, name: string) {
 497     let icon: ActivityIconObject
 498
 499     if (this.avatarId) {
 500       const extension = extname(this.Avatar.filename)
 501
 502       icon = {
 503         type: 'Image',
 504         mediaType: extension === '.png' ? 'image/png' : 'image/jpeg',
 505         url: this.getAvatarUrl()
 506       }
 507     }
 508
 509     const json = {
 510       type: this.type,
 511       id: this.url,
 512       following: this.getFollowingUrl(),
 513       followers: this.getFollowersUrl(),
 514       playlists: this.getPlaylistsUrl(),
 515       inbox: this.inboxUrl,
 516       outbox: this.outboxUrl,
 517       preferredUsername: this.preferredUsername,
 518       url: this.url,
 519       name,
 520       endpoints: {
 521         sharedInbox: this.sharedInboxUrl
 522       },
 523       publicKey: {
 524         id: this.getPublicKeyUrl(),
 525         owner: this.url,
 526         publicKeyPem: this.publicKey
 527       },
 528       icon
 529     }
 530
 531     return activityPubContextify(json)
 532   }
 533
 534   getFollowerSharedInboxUrls (t: Transaction) {
 535     const query = {
 536       attributes: [ 'sharedInboxUrl' ],
 537       include: [
 538         {
 539           attribute: [],
 540           model: ActorFollowModel.unscoped(),
 541           required: true,
 542           as: 'ActorFollowing',
 543           where: {
 544             state: 'accepted',
 545             targetActorId: this.id
 546           }
 547         }
 548       ],
 549       transaction: t
 550     }
 551
 552     return ActorModel.findAll(query)
 553       .then(accounts => accounts.map(a => a.sharedInboxUrl))
 554   }
 555
 556   getFollowingUrl () {
 557     return this.url + '/following'
 558   }
 559
 560   getFollowersUrl () {
 561     return this.url + '/followers'
 562   }
 563
 564   getPlaylistsUrl () {
 565     return this.url + '/playlists'
 566   }
 567
 568   getPublicKeyUrl () {
 569     return this.url + '#main-key'
 570   }
 571
 572   isOwned () {
 573     return this.serverId === null
 574   }
 575
 576   getWebfingerUrl (this: MActorServer) {
 577     return 'acct:' + this.preferredUsername + '@' + this.getHost()
 578   }
 579
 580   getIdentifier () {
 581     return this.Server ? `${this.preferredUsername}@${this.Server.host}` : this.preferredUsername
 582   }
 583
 584   getHost (this: MActorHost) {
 585     return this.Server ? this.Server.host : WEBSERVER.HOST
 586   }
 587
 588   getRedundancyAllowed () {
 589     return this.Server ? this.Server.redundancyAllowed : false
 590   }
 591
 592   getAvatarUrl () {
 593     if (!this.avatarId) return undefined
 594
 595     return WEBSERVER.URL + this.Avatar.getStaticPath()
 596   }
 597
 598   isOutdated () {
 599     if (this.isOwned()) return false
 600
 601     return isOutdated(this, ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL)
 602   }
 603 }