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[github/Chocobozzz/PeerTube.git] / server / lib / activitypub / actor.ts
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50d6de9c 1import * as Bluebird from 'bluebird'
db4b15f2 2import { extname } from 'path'
5147a6d9 3import { Op, Transaction } from 'sequelize'
a1587156 4import { URL } from 'url'
bdd428a6 5import { v4 as uuidv4 } from 'uuid'
db4b15f2 6import { getServerActor } from '@server/models/application/application'
2cb03dc1 7import { ActorImageType } from '@shared/models'
db4b15f2 8import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
bdd428a6 9import { ActivityPubActor, ActivityPubActorType, ActivityPubOrderedCollection } from '../../../shared/models/activitypub'
50d6de9c 10import { ActivityPubAttributedTo } from '../../../shared/models/activitypub/objects'
848f499d 11import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
db4b15f2 12import { ActorFetchByUrlType, fetchActorByUrl } from '../../helpers/actor'
9977c128 13import { sanitizeAndCheckActorObject } from '../../helpers/custom-validators/activitypub/actor'
c5911fd3 14import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
a5625b41 15import { retryTransactionWrapper, updateInstanceWithAnother } from '../../helpers/database-utils'
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16import { logger } from '../../helpers/logger'
17import { createPrivateAndPublicKeys } from '../../helpers/peertube-crypto'
b5c36108 18import { doJSONRequest, PeerTubeRequestError } from '../../helpers/requests'
a5625b41 19import { getUrlFromWebfinger } from '../../helpers/webfinger'
557b13ae 20import { MIMETYPES, WEBSERVER } from '../../initializers/constants'
db4b15f2 21import { sequelizeTypescript } from '../../initializers/database'
50d6de9c 22import { AccountModel } from '../../models/account/account'
f4796856 23import { ActorImageModel } from '../../models/account/actor-image'
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24import { ActorModel } from '../../models/activitypub/actor'
25import { ServerModel } from '../../models/server/server'
26import { VideoChannelModel } from '../../models/video/video-channel'
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27import {
28 MAccount,
0283eaac 29 MAccountDefault,
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30 MActor,
31 MActorAccountChannelId,
0283eaac 32 MActorAccountChannelIdActor,
453e83ea 33 MActorAccountId,
453e83ea 34 MActorFull,
0283eaac 35 MActorFullActor,
453e83ea 36 MActorId,
213e30ef 37 MActorImage,
2cb03dc1 38 MActorImages,
a1587156 39 MChannel
26d6bf65 40} from '../../types/models'
db4b15f2 41import { JobQueue } from '../job-queue'
50d6de9c 42
e12a0092 43// Set account keys, this could be long so process after the account creation and do not block the client
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44async function generateAndSaveActorKeys <T extends MActor> (actor: T) {
45 const { publicKey, privateKey } = await createPrivateAndPublicKeys()
46
47 actor.publicKey = publicKey
48 actor.privateKey = privateKey
49
50 return actor.save()
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51}
52
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53function getOrCreateActorAndServerAndModel (
54 activityActor: string | ActivityPubActor,
55 fetchType: 'all',
56 recurseIfNeeded?: boolean,
57 updateCollections?: boolean
58): Promise<MActorFullActor>
59
60function getOrCreateActorAndServerAndModel (
61 activityActor: string | ActivityPubActor,
62 fetchType?: 'association-ids',
63 recurseIfNeeded?: boolean,
64 updateCollections?: boolean
65): Promise<MActorAccountChannelId>
66
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67async function getOrCreateActorAndServerAndModel (
68 activityActor: string | ActivityPubActor,
453e83ea 69 fetchType: ActorFetchByUrlType = 'association-ids',
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70 recurseIfNeeded = true,
71 updateCollections = false
453e83ea 72): Promise<MActorFullActor | MActorAccountChannelId> {
848f499d 73 const actorUrl = getAPId(activityActor)
687d638c 74 let created = false
418d092a 75 let accountPlaylistsUrl: string
6be84cbc 76
e587e0ec 77 let actor = await fetchActorByUrl(actorUrl, fetchType)
25e4d6ee 78 // Orphan actor (not associated to an account of channel) so recreate it
6104adc3 79 if (actor && (!actor.Account && !actor.VideoChannel)) {
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80 await actor.destroy()
81 actor = null
82 }
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83
84 // We don't have this actor in our database, fetch it on remote
85 if (!actor) {
f5b0af50 86 const { result } = await fetchRemoteActor(actorUrl)
601527d7 87 if (result === undefined) throw new Error('Cannot fetch remote actor ' + actorUrl)
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88
89 // Create the attributed to actor
90 // In PeerTube a video channel is owned by an account
453e83ea 91 let ownerActor: MActorFullActor
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92 if (recurseIfNeeded === true && result.actor.type === 'Group') {
93 const accountAttributedTo = result.attributedTo.find(a => a.type === 'Person')
94 if (!accountAttributedTo) throw new Error('Cannot find account attributed to video channel ' + actor.url)
95
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96 if (checkUrlsSameHost(accountAttributedTo.id, actorUrl) !== true) {
97 throw new Error(`Account attributed to ${accountAttributedTo.id} does not have the same host than actor url ${actorUrl}`)
98 }
99
50d6de9c 100 try {
5c6d985f 101 // Don't recurse another time
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102 const recurseIfNeeded = false
103 ownerActor = await getOrCreateActorAndServerAndModel(accountAttributedTo.id, 'all', recurseIfNeeded)
50d6de9c 104 } catch (err) {
471251fa 105 logger.error('Cannot get or create account attributed to video channel ' + actorUrl)
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106 throw new Error(err)
107 }
108 }
109
90d4bb81 110 actor = await retryTransactionWrapper(saveActorAndServerAndModelIfNotExist, result, ownerActor)
687d638c 111 created = true
418d092a 112 accountPlaylistsUrl = result.playlists
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113 }
114
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115 if (actor.Account) (actor as MActorAccountChannelIdActor).Account.Actor = actor
116 if (actor.VideoChannel) (actor as MActorAccountChannelIdActor).VideoChannel.Actor = actor
d9bdd007 117
e587e0ec 118 const { actor: actorRefreshed, refreshed } = await retryTransactionWrapper(refreshActorIfNeeded, actor, fetchType)
652c6416 119 if (!actorRefreshed) throw new Error('Actor ' + actor.url + ' does not exist anymore.')
f5b0af50 120
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121 if ((created === true || refreshed === true) && updateCollections === true) {
122 const payload = { uri: actor.outboxUrl, type: 'activity' as 'activity' }
a1587156 123 await JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload })
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124 }
125
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126 // We created a new account: fetch the playlists
127 if (created === true && actor.Account && accountPlaylistsUrl) {
128 const payload = { uri: accountPlaylistsUrl, accountId: actor.Account.id, type: 'account-playlists' as 'account-playlists' }
a1587156 129 await JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload })
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130 }
131
687d638c 132 return actorRefreshed
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133}
134
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135function buildActorInstance (type: ActivityPubActorType, url: string, preferredUsername: string, uuid?: string) {
136 return new ActorModel({
137 type,
138 url,
139 preferredUsername,
140 uuid,
141 publicKey: null,
142 privateKey: null,
143 followersCount: 0,
144 followingCount: 0,
145 inboxUrl: url + '/inbox',
146 outboxUrl: url + '/outbox',
6dd9de95 147 sharedInboxUrl: WEBSERVER.URL + '/inbox',
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148 followersUrl: url + '/followers',
149 followingUrl: url + '/following'
1ca9f7c3 150 }) as MActor
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151}
152
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153async function updateActorInstance (actorInstance: ActorModel, attributes: ActivityPubActor) {
154 const followersCount = await fetchActorTotalItems(attributes.followers)
155 const followingCount = await fetchActorTotalItems(attributes.following)
156
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157 actorInstance.type = attributes.type
158 actorInstance.preferredUsername = attributes.preferredUsername
159 actorInstance.url = attributes.id
160 actorInstance.publicKey = attributes.publicKey.publicKeyPem
161 actorInstance.followersCount = followersCount
162 actorInstance.followingCount = followingCount
163 actorInstance.inboxUrl = attributes.inbox
164 actorInstance.outboxUrl = attributes.outbox
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165 actorInstance.followersUrl = attributes.followers
166 actorInstance.followingUrl = attributes.following
47581df0 167
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168 if (attributes.published) actorInstance.remoteCreatedAt = new Date(attributes.published)
169
faa9d434 170 if (attributes.endpoints?.sharedInbox) {
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171 actorInstance.sharedInboxUrl = attributes.endpoints.sharedInbox
172 }
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173}
174
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175type ImageInfo = {
176 name: string
177 fileUrl: string
178 height: number
179 width: number
180 onDisk?: boolean
181}
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182async function updateActorImageInstance (actor: MActorImages, type: ActorImageType, imageInfo: ImageInfo | null, t: Transaction) {
183 const oldImageModel = type === ActorImageType.AVATAR
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184 ? actor.Avatar
185 : actor.Banner
186
187 if (oldImageModel) {
1c5fbed2 188 // Don't update the avatar if the file URL did not change
213e30ef 189 if (imageInfo?.fileUrl && oldImageModel.fileUrl === imageInfo.fileUrl) return actor
a5625b41 190
66fb2aa3 191 try {
2cb03dc1 192 await oldImageModel.destroy({ transaction: t })
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193
194 setActorImage(actor, type, null)
66fb2aa3 195 } catch (err) {
2cb03dc1 196 logger.error('Cannot remove old actor image of actor %s.', actor.url, { err })
66fb2aa3 197 }
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198 }
199
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200 if (imageInfo) {
201 const imageModel = await ActorImageModel.create({
202 filename: imageInfo.name,
203 onDisk: imageInfo.onDisk ?? false,
204 fileUrl: imageInfo.fileUrl,
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205 height: imageInfo.height,
206 width: imageInfo.width,
207 type
213e30ef 208 }, { transaction: t })
66fb2aa3 209
213e30ef 210 setActorImage(actor, type, imageModel)
2cb03dc1 211 }
66fb2aa3 212
557b13ae 213 return actor
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214}
215
2cb03dc1 216async function deleteActorImageInstance (actor: MActorImages, type: ActorImageType, t: Transaction) {
1ea7da81 217 try {
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218 if (type === ActorImageType.AVATAR) {
219 await actor.Avatar.destroy({ transaction: t })
220
221 actor.avatarId = null
222 actor.Avatar = null
223 } else {
224 await actor.Banner.destroy({ transaction: t })
225
226 actor.bannerId = null
227 actor.Banner = null
228 }
1ea7da81 229 } catch (err) {
2cb03dc1 230 logger.error('Cannot remove old image of actor %s.', actor.url, { err })
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231 }
232
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233 return actor
234}
235
265ba139 236async function fetchActorTotalItems (url: string) {
265ba139 237 try {
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238 const { body } = await doJSONRequest<ActivityPubOrderedCollection<unknown>>(url, { activityPub: true })
239
240 return body.totalItems || 0
265ba139 241 } catch (err) {
d5b7d911 242 logger.warn('Cannot fetch remote actor count %s.', url, { err })
7006bc63 243 return 0
265ba139 244 }
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245}
246
2cb03dc1 247function getImageInfoIfExists (actorJSON: ActivityPubActor, type: ActorImageType) {
c6de3a85 248 const mimetypes = MIMETYPES.IMAGE
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249 const icon = type === ActorImageType.AVATAR
250 ? actorJSON.icon
251 : actorJSON.image
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252
253 if (!icon || icon.type !== 'Image' || !isActivityPubUrlValid(icon.url)) return undefined
265ba139 254
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255 let extension: string
256
257 if (icon.mediaType) {
258 extension = mimetypes.MIMETYPE_EXT[icon.mediaType]
259 } else {
260 const tmp = extname(icon.url)
261
262 if (mimetypes.EXT_MIMETYPE[tmp] !== undefined) extension = tmp
263 }
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264
265 if (!extension) return undefined
266
267 return {
268 name: uuidv4() + extension,
2cb03dc1 269 fileUrl: icon.url,
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270 height: icon.height,
271 width: icon.width,
2cb03dc1 272 type
c6de3a85 273 }
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274}
275
5224c394 276async function addFetchOutboxJob (actor: Pick<ActorModel, 'id' | 'outboxUrl'>) {
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277 // Don't fetch ourselves
278 const serverActor = await getServerActor()
279 if (serverActor.id === actor.id) {
280 logger.error('Cannot fetch our own outbox!')
281 return undefined
282 }
283
284 const payload = {
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285 uri: actor.outboxUrl,
286 type: 'activity' as 'activity'
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287 }
288
289 return JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload })
290}
291
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292async function refreshActorIfNeeded <T extends MActorFull | MActorAccountChannelId> (
293 actorArg: T,
744d0eca 294 fetchedType: ActorFetchByUrlType
453e83ea 295): Promise<{ actor: T | MActorFull, refreshed: boolean }> {
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296 if (!actorArg.isOutdated()) return { actor: actorArg, refreshed: false }
297
298 // We need more attributes
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299 const actor = fetchedType === 'all'
300 ? actorArg as MActorFull
301 : await ActorModel.loadByUrlAndPopulateAccountAndChannel(actorArg.url)
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302
303 try {
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304 let actorUrl: string
305 try {
306 actorUrl = await getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost())
307 } catch (err) {
308 logger.warn('Cannot get actor URL from webfinger, keeping the old one.', err)
309 actorUrl = actor.url
310 }
311
b5c36108 312 const { result } = await fetchRemoteActor(actorUrl)
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313
314 if (result === undefined) {
315 logger.warn('Cannot fetch remote actor in refresh actor.')
316 return { actor, refreshed: false }
317 }
318
319 return sequelizeTypescript.transaction(async t => {
320 updateInstanceWithAnother(actor, result.actor)
321
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322 await updateActorImageInstance(actor, ActorImageType.AVATAR, result.avatar, t)
323 await updateActorImageInstance(actor, ActorImageType.BANNER, result.banner, t)
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324
325 // Force update
326 actor.setDataValue('updatedAt', new Date())
327 await actor.save({ transaction: t })
328
329 if (actor.Account) {
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330 actor.Account.name = result.name
331 actor.Account.description = result.summary
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332
333 await actor.Account.save({ transaction: t })
334 } else if (actor.VideoChannel) {
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335 actor.VideoChannel.name = result.name
336 actor.VideoChannel.description = result.summary
337 actor.VideoChannel.support = result.support
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338
339 await actor.VideoChannel.save({ transaction: t })
340 }
341
342 return { refreshed: true, actor }
343 })
344 } catch (err) {
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345 if ((err as PeerTubeRequestError).statusCode === HttpStatusCode.NOT_FOUND_404) {
346 logger.info('Deleting actor %s because there is a 404 in refresh actor.', actor.url)
347 actor.Account
348 ? await actor.Account.destroy()
349 : await actor.VideoChannel.destroy()
350
351 return { actor: undefined, refreshed: false }
352 }
353
4ee7a4c9 354 logger.warn('Cannot refresh actor %s.', actor.url, { err })
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355 return { actor, refreshed: false }
356 }
357}
358
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359export {
360 getOrCreateActorAndServerAndModel,
361 buildActorInstance,
8795d6f2 362 generateAndSaveActorKeys,
265ba139 363 fetchActorTotalItems,
2cb03dc1 364 getImageInfoIfExists,
a5625b41 365 updateActorInstance,
2cb03dc1 366 deleteActorImageInstance,
744d0eca 367 refreshActorIfNeeded,
2cb03dc1 368 updateActorImageInstance,
16f29007 369 addFetchOutboxJob
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370}
371
372// ---------------------------------------------------------------------------
373
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374function setActorImage (actorModel: MActorImages, type: ActorImageType, imageModel: MActorImage) {
375 const id = imageModel
376 ? imageModel.id
377 : null
378
379 if (type === ActorImageType.AVATAR) {
380 actorModel.avatarId = id
381 actorModel.Avatar = imageModel
382 } else {
383 actorModel.bannerId = id
384 actorModel.Banner = imageModel
385 }
386
387 return actorModel
388}
389
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390function saveActorAndServerAndModelIfNotExist (
391 result: FetchRemoteActorResult,
453e83ea 392 ownerActor?: MActorFullActor,
50d6de9c 393 t?: Transaction
453e83ea 394): Bluebird<MActorFullActor> | Promise<MActorFullActor> {
a1587156 395 const actor = result.actor
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396
397 if (t !== undefined) return save(t)
398
399 return sequelizeTypescript.transaction(t => save(t))
400
401 async function save (t: Transaction) {
a1587156 402 const actorHost = new URL(actor.url).host
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403
404 const serverOptions = {
405 where: {
406 host: actorHost
407 },
408 defaults: {
409 host: actorHost
410 },
411 transaction: t
412 }
413 const [ server ] = await ServerModel.findOrCreate(serverOptions)
414
415 // Save our new account in database
557b13ae 416 actor.serverId = server.id
50d6de9c 417
c5911fd3 418 // Avatar?
557b13ae 419 if (result.avatar) {
f4796856 420 const avatar = await ActorImageModel.create({
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421 filename: result.avatar.name,
422 fileUrl: result.avatar.fileUrl,
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423 width: result.avatar.width,
424 height: result.avatar.height,
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425 onDisk: false,
426 type: ActorImageType.AVATAR
c5911fd3 427 }, { transaction: t })
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428
429 actor.avatarId = avatar.id
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430 }
431
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432 // Banner?
433 if (result.banner) {
434 const banner = await ActorImageModel.create({
435 filename: result.banner.name,
436 fileUrl: result.banner.fileUrl,
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437 width: result.banner.width,
438 height: result.banner.height,
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439 onDisk: false,
440 type: ActorImageType.BANNER
441 }, { transaction: t })
442
443 actor.bannerId = banner.id
444 }
445
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446 // Force the actor creation, sometimes Sequelize skips the save() when it thinks the instance already exists
447 // (which could be false in a retried query)
5147a6d9 448 const [ actorCreated, created ] = await ActorModel.findOrCreate<MActorFullActor>({
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449 defaults: actor.toJSON(),
450 where: {
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451 [Op.or]: [
452 {
453 url: actor.url
454 },
455 {
456 serverId: actor.serverId,
457 preferredUsername: actor.preferredUsername
458 }
459 ]
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460 },
461 transaction: t
462 })
50d6de9c 463
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464 // Try to fix non HTTPS accounts of remote instances that fixed their URL afterwards
465 if (created !== true && actorCreated.url !== actor.url) {
466 // Only fix http://example.com/account/djidane to https://example.com/account/djidane
e26dc0cd 467 if (actorCreated.url.replace(/^http:\/\//, '') !== actor.url.replace(/^https:\/\//, '')) {
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468 throw new Error(`Actor from DB with URL ${actorCreated.url} does not correspond to actor ${actor.url}`)
469 }
470
471 actorCreated.url = actor.url
472 await actorCreated.save({ transaction: t })
473 }
474
50d6de9c 475 if (actorCreated.type === 'Person' || actorCreated.type === 'Application') {
0283eaac 476 actorCreated.Account = await saveAccount(actorCreated, result, t) as MAccountDefault
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477 actorCreated.Account.Actor = actorCreated
478 } else if (actorCreated.type === 'Group') { // Video channel
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479 const channel = await saveVideoChannel(actorCreated, result, ownerActor, t)
480 actorCreated.VideoChannel = Object.assign(channel, { Actor: actorCreated, Account: ownerActor.Account })
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481 }
482
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483 actorCreated.Server = server
484
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485 return actorCreated
486 }
487}
488
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489type ImageResult = {
490 name: string
491 fileUrl: string
492 height: number
493 width: number
494}
495
50d6de9c 496type FetchRemoteActorResult = {
453e83ea 497 actor: MActor
e12a0092 498 name: string
50d6de9c 499 summary: string
2422c46b 500 support?: string
418d092a 501 playlists?: string
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502 avatar?: ImageResult
503 banner?: ImageResult
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504 attributedTo: ActivityPubAttributedTo[]
505}
f5b0af50 506async function fetchRemoteActor (actorUrl: string): Promise<{ statusCode?: number, result: FetchRemoteActorResult }> {
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507 logger.info('Fetching remote actor %s.', actorUrl)
508
db4b15f2 509 const requestResult = await doJSONRequest<ActivityPubActor>(actorUrl, { activityPub: true })
4c280004 510 const actorJSON = requestResult.body
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511
512 if (sanitizeAndCheckActorObject(actorJSON) === false) {
b4593cd7 513 logger.debug('Remote actor JSON is not valid.', { actorJSON })
db4b15f2 514 return { result: undefined, statusCode: requestResult.statusCode }
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515 }
516
5c6d985f 517 if (checkUrlsSameHost(actorJSON.id, actorUrl) !== true) {
9f79ade6 518 logger.warn('Actor url %s has not the same host than its AP id %s', actorUrl, actorJSON.id)
db4b15f2 519 return { result: undefined, statusCode: requestResult.statusCode }
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520 }
521
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522 const followersCount = await fetchActorTotalItems(actorJSON.followers)
523 const followingCount = await fetchActorTotalItems(actorJSON.following)
524
525 const actor = new ActorModel({
526 type: actorJSON.type,
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527 preferredUsername: actorJSON.preferredUsername,
528 url: actorJSON.id,
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529 publicKey: actorJSON.publicKey.publicKeyPem,
530 privateKey: null,
531 followersCount: followersCount,
532 followingCount: followingCount,
533 inboxUrl: actorJSON.inbox,
534 outboxUrl: actorJSON.outbox,
50d6de9c 535 followersUrl: actorJSON.followers,
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536 followingUrl: actorJSON.following,
537
faa9d434 538 sharedInboxUrl: actorJSON.endpoints?.sharedInbox
47581df0 539 ? actorJSON.endpoints.sharedInbox
a82ddfad 540 : null
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541 })
542
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543 const avatarInfo = getImageInfoIfExists(actorJSON, ActorImageType.AVATAR)
544 const bannerInfo = getImageInfoIfExists(actorJSON, ActorImageType.BANNER)
c5911fd3 545
e12a0092 546 const name = actorJSON.name || actorJSON.preferredUsername
50d6de9c 547 return {
db4b15f2 548 statusCode: requestResult.statusCode,
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549 result: {
550 actor,
551 name,
557b13ae 552 avatar: avatarInfo,
2cb03dc1 553 banner: bannerInfo,
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554 summary: actorJSON.summary,
555 support: actorJSON.support,
418d092a 556 playlists: actorJSON.playlists,
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557 attributedTo: actorJSON.attributedTo
558 }
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559 }
560}
561
453e83ea 562async function saveAccount (actor: MActorId, result: FetchRemoteActorResult, t: Transaction) {
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563 const [ accountCreated ] = await AccountModel.findOrCreate({
564 defaults: {
565 name: result.name,
2422c46b 566 description: result.summary,
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567 actorId: actor.id
568 },
569 where: {
570 actorId: actor.id
571 },
572 transaction: t
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573 })
574
453e83ea 575 return accountCreated as MAccount
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576}
577
453e83ea 578async function saveVideoChannel (actor: MActorId, result: FetchRemoteActorResult, ownerActor: MActorAccountId, t: Transaction) {
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579 const [ videoChannelCreated ] = await VideoChannelModel.findOrCreate({
580 defaults: {
581 name: result.name,
582 description: result.summary,
2422c46b 583 support: result.support,
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584 actorId: actor.id,
585 accountId: ownerActor.Account.id
586 },
587 where: {
588 actorId: actor.id
589 },
590 transaction: t
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591 })
592
453e83ea 593 return videoChannelCreated as MChannel
50d6de9c 594}