PeerTube/server/models/actor/actor.ts

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import { values } from 'lodash'
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import { literal, Op, Transaction } from 'sequelize'
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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'
import { getBiggestActorImage } from '@server/lib/actor-image'
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import { ModelCache } from '@server/models/model-cache'
import { getLowercaseExtension } from '@shared/core-utils'
import { ActivityIconObject, ActivityPubActorType, ActorImageType } from '@shared/models'
import { AttributesOnly } from '@shared/typescript-utils'
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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,
MIMETYPES,
SERVER_ACTOR_NAME,
WEBSERVER
} from '../../initializers/constants'
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import {
MActor,
MActorAccountChannelId,
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MActorAPAccount,
MActorAPChannel,
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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 { AccountModel } from '../account/account'
import { ServerModel } from '../server/server'
import { isOutdated, throwIfNotValid } from '../utils'
import { VideoModel } from '../video/video'
import { VideoChannelModel } from '../video/video-channel'
import { ActorFollowModel } from './actor-follow'
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import { ActorImageModel } from './actor-image'
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enum ScopeNames {
FULL = 'FULL'
}
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export const unusedActorAttributesForAPI = [
'publicKey',
'privateKey',
'inboxUrl',
'outboxUrl',
'sharedInboxUrl',
'followersUrl',
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'followingUrl'
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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: ActorImageModel,
as: 'Avatars',
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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: ActorImageModel,
as: 'Avatars',
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required: false
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},
{
model: ActorImageModel,
as: 'Banners',
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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' ]
},
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{
fields: [ 'followersUrl' ]
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}
]
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})
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export class ActorModel extends Model<Partial<AttributesOnly<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
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@AllowNull(true)
@Column
remoteCreatedAt: Date
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@CreatedAt
createdAt: Date
@UpdatedAt
updatedAt: Date
@HasMany(() => ActorImageModel, {
as: 'Avatars',
onDelete: 'cascade',
hooks: true,
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foreignKey: {
allowNull: false
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},
scope: {
type: ActorImageType.AVATAR
}
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})
Avatars: ActorImageModel[]
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@HasMany(() => ActorImageModel, {
as: 'Banners',
onDelete: 'cascade',
hooks: true,
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foreignKey: {
allowNull: false
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},
scope: {
type: ActorImageType.BANNER
}
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})
Banners: ActorImageModel[]
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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): Promise<MActor> {
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return ActorModel.unscoped().findByPk(id)
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}
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static loadFull (id: number): Promise<MActorFull> {
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return ActorModel.scope(ScopeNames.FULL).findByPk(id)
}
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static loadFromAccountByVideoId (videoId: number, transaction: Transaction): Promise<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): Promise<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): Promise<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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}
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static loadLocalUrlByName (preferredUsername: string, transaction?: Transaction): Promise<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): Promise<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): Promise<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): Promise<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, transaction: Transaction): Promise<MActor> {
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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
}
}
]
}
]
}
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],
transaction
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}
return ActorModel.unscoped().findOne(query)
}
getSharedInbox (this: MActorWithInboxes) {
return this.sharedInboxUrl || this.inboxUrl
}
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toFormattedSummaryJSON (this: MActorSummaryFormattable) {
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return {
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url: this.url,
name: this.preferredUsername,
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host: this.getHost(),
avatars: (this.Avatars || []).map(a => a.toFormattedJSON()),
// TODO: remove, deprecated in 4.2
avatar: this.hasImage(ActorImageType.AVATAR)
? this.Avatars[0].toFormattedJSON()
: undefined
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}
}
toFormattedJSON (this: MActorFormattable) {
return {
...this.toFormattedSummaryJSON(),
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id: this.id,
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hostRedundancyAllowed: this.getRedundancyAllowed(),
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followingCount: this.followingCount,
followersCount: this.followersCount,
createdAt: this.getCreatedAt(),
banners: (this.Banners || []).map(b => b.toFormattedJSON()),
// TODO: remove, deprecated in 4.2
banner: this.hasImage(ActorImageType.BANNER)
? this.Banners[0].toFormattedJSON()
: undefined
}
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}
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toActivityPubObject (this: MActorAPChannel | MActorAPAccount, name: string) {
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let icon: ActivityIconObject
let icons: ActivityIconObject[]
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let image: ActivityIconObject
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if (this.hasImage(ActorImageType.AVATAR)) {
icon = getBiggestActorImage(this.Avatars).toActivityPubObject()
icons = this.Avatars.map(a => a.toActivityPubObject())
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}
if (this.hasImage(ActorImageType.BANNER)) {
const banner = getBiggestActorImage((this as MActorAPChannel).Banners)
const extension = getLowercaseExtension(banner.filename)
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image = {
type: 'Image',
mediaType: MIMETYPES.IMAGE.EXT_MIMETYPE[extension],
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height: banner.height,
width: banner.width,
url: ActorImageModel.getImageUrl(banner)
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}
}
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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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},
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published: this.getCreatedAt().toISOString(),
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icon,
icons,
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image
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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
}
hasImage (type: ActorImageType) {
const images = type === ActorImageType.AVATAR
? this.Avatars
: this.Banners
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return Array.isArray(images) && images.length !== 0
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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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getCreatedAt (this: MActorAPChannel | MActorAPAccount | MActorFormattable) {
return this.remoteCreatedAt || this.createdAt
}
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}