PeerTube/server/models/activitypub/actor.ts

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import { values } from 'lodash'
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import { extname } from 'path'
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import {
AllowNull,
BelongsTo,
Column,
CreatedAt,
DataType,
DefaultScope,
ForeignKey,
HasMany,
HasOne,
Is,
Model,
Scopes,
Table,
UpdatedAt
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} from 'sequelize-typescript'
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import { ActivityIconObject, ActivityPubActorType } from '../../../shared/models/activitypub'
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import { Avatar } from '../../../shared/models/avatars/avatar.model'
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import { activityPubContextify } from '../../helpers/activitypub'
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import {
isActorFollowersCountValid,
isActorFollowingCountValid,
isActorPreferredUsernameValid,
isActorPrivateKeyValid,
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isActorPublicKeyValid
} from '../../helpers/custom-validators/activitypub/actor'
import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
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import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONSTRAINTS_FIELDS, SERVER_ACTOR_NAME, WEBSERVER } from '../../initializers/constants'
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import { AccountModel } from '../account/account'
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import { AvatarModel } from '../avatar/avatar'
import { ServerModel } from '../server/server'
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import { isOutdated, throwIfNotValid } from '../utils'
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import { VideoChannelModel } from '../video/video-channel'
import { ActorFollowModel } from './actor-follow'
import { VideoModel } from '../video/video'
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import {
MActor,
MActorAccountChannelId,
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MActorAP,
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MActorFormattable,
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MActorFull,
MActorHost,
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MActorServer,
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MActorSummaryFormattable, MActorUrl,
MActorWithInboxes
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} from '../../types/models'
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import * as Bluebird from 'bluebird'
import { Op, Transaction, literal } from 'sequelize'
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import { ModelCache } from '@server/models/model-cache'
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enum ScopeNames {
FULL = 'FULL'
}
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export const unusedActorAttributesForAPI = [
'publicKey',
'privateKey',
'inboxUrl',
'outboxUrl',
'sharedInboxUrl',
'followersUrl',
'followingUrl',
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'url',
'createdAt',
'updatedAt'
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]
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@DefaultScope(() => ({
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include: [
{
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model: ServerModel,
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required: false
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},
{
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model: AvatarModel,
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required: false
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}
]
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}))
@Scopes(() => ({
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[ScopeNames.FULL]: {
include: [
{
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model: AccountModel.unscoped(),
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required: false
},
{
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model: VideoChannelModel.unscoped(),
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required: false,
include: [
{
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model: AccountModel,
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required: true
}
]
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},
{
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model: ServerModel,
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required: false
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},
{
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model: AvatarModel,
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required: false
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}
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]
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}
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}))
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@Table({
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tableName: 'actor',
indexes: [
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{
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fields: [ 'url' ],
unique: true
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},
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{
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fields: [ 'preferredUsername', 'serverId' ],
unique: true,
where: {
serverId: {
[Op.ne]: null
}
}
},
{
fields: [ 'preferredUsername' ],
unique: true,
where: {
serverId: null
}
},
{
fields: [ 'inboxUrl', 'sharedInboxUrl' ]
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},
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{
fields: [ 'sharedInboxUrl' ]
},
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{
fields: [ 'serverId' ]
},
{
fields: [ 'avatarId' ]
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},
{
fields: [ 'followersUrl' ]
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}
]
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})
export class ActorModel extends Model<ActorModel> {
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@AllowNull(false)
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@Column(DataType.ENUM(...values(ACTIVITY_PUB_ACTOR_TYPES)))
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type: ActivityPubActorType
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@AllowNull(false)
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@Is('ActorPreferredUsername', value => throwIfNotValid(value, isActorPreferredUsernameValid, 'actor preferred username'))
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@Column
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preferredUsername: string
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@AllowNull(false)
@Is('ActorUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'url'))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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url: string
@AllowNull(true)
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@Is('ActorPublicKey', value => throwIfNotValid(value, isActorPublicKeyValid, 'public key', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY.max))
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publicKey: string
@AllowNull(true)
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@Is('ActorPublicKey', value => throwIfNotValid(value, isActorPrivateKeyValid, 'private key', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY.max))
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privateKey: string
@AllowNull(false)
@Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowersCountValid, 'followers count'))
@Column
followersCount: number
@AllowNull(false)
@Is('ActorFollowersCount', value => throwIfNotValid(value, isActorFollowingCountValid, 'following count'))
@Column
followingCount: number
@AllowNull(false)
@Is('ActorInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'inbox url'))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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inboxUrl: string
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@AllowNull(true)
@Is('ActorOutboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'outbox url', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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outboxUrl: string
@AllowNull(true)
@Is('ActorSharedInboxUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'shared inbox url', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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sharedInboxUrl: string
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@AllowNull(true)
@Is('ActorFollowersUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'followers url', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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followersUrl: string
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@AllowNull(true)
@Is('ActorFollowingUrl', value => throwIfNotValid(value, isActivityPubUrlValid, 'following url', true))
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@Column(DataType.STRING(CONSTRAINTS_FIELDS.ACTORS.URL.max))
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followingUrl: string
@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@ForeignKey(() => AvatarModel)
@Column
avatarId: number
@BelongsTo(() => AvatarModel, {
foreignKey: {
allowNull: true
},
onDelete: 'set null',
hooks: true
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})
Avatar: AvatarModel
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@HasMany(() => ActorFollowModel, {
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foreignKey: {
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name: 'actorId',
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allowNull: false
},
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as: 'ActorFollowings',
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onDelete: 'cascade'
})
ActorFollowing: ActorFollowModel[]
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@HasMany(() => ActorFollowModel, {
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foreignKey: {
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name: 'targetActorId',
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allowNull: false
},
as: 'ActorFollowers',
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onDelete: 'cascade'
})
ActorFollowers: ActorFollowModel[]
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@ForeignKey(() => ServerModel)
@Column
serverId: number
@BelongsTo(() => ServerModel, {
foreignKey: {
allowNull: true
},
onDelete: 'cascade'
})
Server: ServerModel
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@HasOne(() => AccountModel, {
foreignKey: {
allowNull: true
},
onDelete: 'cascade',
hooks: true
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})
Account: AccountModel
@HasOne(() => VideoChannelModel, {
foreignKey: {
allowNull: true
},
onDelete: 'cascade',
hooks: true
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})
VideoChannel: VideoChannelModel
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static load (id: number): Bluebird<MActor> {
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return ActorModel.unscoped().findByPk(id)
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}
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static loadFull (id: number): Bluebird<MActorFull> {
return ActorModel.scope(ScopeNames.FULL).findByPk(id)
}
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static loadFromAccountByVideoId (videoId: number, transaction: Transaction): Bluebird<MActor> {
const query = {
include: [
{
attributes: [ 'id' ],
model: AccountModel.unscoped(),
required: true,
include: [
{
attributes: [ 'id' ],
model: VideoChannelModel.unscoped(),
required: true,
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include: [
{
attributes: [ 'id' ],
model: VideoModel.unscoped(),
required: true,
where: {
id: videoId
}
}
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]
}
]
}
],
transaction
}
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return ActorModel.unscoped().findOne(query)
}
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static isActorUrlExist (url: string) {
const query = {
raw: true,
where: {
url
}
}
return ActorModel.unscoped().findOne(query)
.then(a => !!a)
}
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static listByFollowersUrls (followersUrls: string[], transaction?: Transaction): Bluebird<MActorFull[]> {
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const query = {
where: {
followersUrl: {
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[Op.in]: followersUrls
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}
},
transaction
}
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return ActorModel.scope(ScopeNames.FULL).findAll(query)
}
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static loadLocalByName (preferredUsername: string, transaction?: Transaction): Bluebird<MActorFull> {
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const fun = () => {
const query = {
where: {
preferredUsername,
serverId: null
},
transaction
}
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return ActorModel.scope(ScopeNames.FULL)
.findOne(query)
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}
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return ModelCache.Instance.doCache({
cacheType: 'local-actor-name',
key: preferredUsername,
// The server actor never change, so we can easily cache it
whitelist: () => preferredUsername === SERVER_ACTOR_NAME,
fun
})
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}
static loadLocalUrlByName (preferredUsername: string, transaction?: Transaction): Bluebird<MActorUrl> {
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const fun = () => {
const query = {
attributes: [ 'url' ],
where: {
preferredUsername,
serverId: null
},
transaction
}
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return ActorModel.unscoped()
.findOne(query)
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}
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return ModelCache.Instance.doCache({
cacheType: 'local-actor-name',
key: preferredUsername,
// The server actor never change, so we can easily cache it
whitelist: () => preferredUsername === SERVER_ACTOR_NAME,
fun
})
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}
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static loadByNameAndHost (preferredUsername: string, host: string): Bluebird<MActorFull> {
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const query = {
where: {
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preferredUsername
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},
include: [
{
model: ServerModel,
required: true,
where: {
host
}
}
]
}
return ActorModel.scope(ScopeNames.FULL).findOne(query)
}
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static loadByUrl (url: string, transaction?: Transaction): Bluebird<MActorAccountChannelId> {
const query = {
where: {
url
},
transaction,
include: [
{
attributes: [ 'id' ],
model: AccountModel.unscoped(),
required: false
},
{
attributes: [ 'id' ],
model: VideoChannelModel.unscoped(),
required: false
}
]
}
return ActorModel.unscoped().findOne(query)
}
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static loadByUrlAndPopulateAccountAndChannel (url: string, transaction?: Transaction): Bluebird<MActorFull> {
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const query = {
where: {
url
},
transaction
}
return ActorModel.scope(ScopeNames.FULL).findOne(query)
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}
static rebuildFollowsCount (ofId: number, type: 'followers' | 'following', transaction?: Transaction) {
const sanitizedOfId = parseInt(ofId + '', 10)
const where = { id: sanitizedOfId }
let columnToUpdate: string
let columnOfCount: string
if (type === 'followers') {
columnToUpdate = 'followersCount'
columnOfCount = 'targetActorId'
} else {
columnToUpdate = 'followingCount'
columnOfCount = 'actorId'
}
return ActorModel.update({
[columnToUpdate]: literal(`(SELECT COUNT(*) FROM "actorFollow" WHERE "${columnOfCount}" = ${sanitizedOfId})`)
}, { where, transaction })
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}
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static loadAccountActorByVideoId (videoId: number): Bluebird<MActor> {
const query = {
include: [
{
attributes: [ 'id' ],
model: AccountModel.unscoped(),
required: true,
include: [
{
attributes: [ 'id', 'accountId' ],
model: VideoChannelModel.unscoped(),
required: true,
include: [
{
attributes: [ 'id', 'channelId' ],
model: VideoModel.unscoped(),
where: {
id: videoId
}
}
]
}
]
}
]
}
return ActorModel.unscoped().findOne(query)
}
getSharedInbox (this: MActorWithInboxes) {
return this.sharedInboxUrl || this.inboxUrl
}
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toFormattedSummaryJSON (this: MActorSummaryFormattable) {
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let avatar: Avatar = null
if (this.Avatar) {
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avatar = this.Avatar.toFormattedJSON()
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}
return {
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url: this.url,
name: this.preferredUsername,
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host: this.getHost(),
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avatar
}
}
toFormattedJSON (this: MActorFormattable) {
const base = this.toFormattedSummaryJSON()
return Object.assign(base, {
id: this.id,
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hostRedundancyAllowed: this.getRedundancyAllowed(),
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followingCount: this.followingCount,
followersCount: this.followersCount,
createdAt: this.createdAt,
updatedAt: this.updatedAt
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})
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}
toActivityPubObject (this: MActorAP, name: string) {
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let icon: ActivityIconObject
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if (this.avatarId) {
const extension = extname(this.Avatar.filename)
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icon = {
type: 'Image',
mediaType: extension === '.png' ? 'image/png' : 'image/jpeg',
url: this.getAvatarUrl()
}
}
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const json = {
type: this.type,
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id: this.url,
following: this.getFollowingUrl(),
followers: this.getFollowersUrl(),
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playlists: this.getPlaylistsUrl(),
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inbox: this.inboxUrl,
outbox: this.outboxUrl,
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preferredUsername: this.preferredUsername,
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url: this.url,
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name,
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endpoints: {
sharedInbox: this.sharedInboxUrl
},
publicKey: {
id: this.getPublicKeyUrl(),
owner: this.url,
publicKeyPem: this.publicKey
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},
icon
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}
return activityPubContextify(json)
}
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getFollowerSharedInboxUrls (t: Transaction) {
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const query = {
attributes: [ 'sharedInboxUrl' ],
include: [
{
attribute: [],
model: ActorFollowModel.unscoped(),
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required: true,
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as: 'ActorFollowing',
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where: {
state: 'accepted',
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targetActorId: this.id
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}
}
],
transaction: t
}
return ActorModel.findAll(query)
.then(accounts => accounts.map(a => a.sharedInboxUrl))
}
getFollowingUrl () {
return this.url + '/following'
}
getFollowersUrl () {
return this.url + '/followers'
}
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getPlaylistsUrl () {
return this.url + '/playlists'
}
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getPublicKeyUrl () {
return this.url + '#main-key'
}
isOwned () {
return this.serverId === null
}
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getWebfingerUrl (this: MActorServer) {
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return 'acct:' + this.preferredUsername + '@' + this.getHost()
}
getIdentifier () {
return this.Server ? `${this.preferredUsername}@${this.Server.host}` : this.preferredUsername
}
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getHost (this: MActorHost) {
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return this.Server ? this.Server.host : WEBSERVER.HOST
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}
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getRedundancyAllowed () {
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return this.Server ? this.Server.redundancyAllowed : false
}
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getAvatarUrl () {
if (!this.avatarId) return undefined
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return WEBSERVER.URL + this.Avatar.getStaticPath()
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}
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isOutdated () {
if (this.isOwned()) return false
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return isOutdated(this, ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL)
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}
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}