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import 'multer'
import { queue } from 'async'
import LRUCache from 'lru-cache'
import { join } from 'path'
import { getLowercaseExtension } from '@server/helpers/core-utils'
import { buildUUID } from '@server/helpers/uuid'
import { ActorModel } from '@server/models/actor/actor'
import { ActivityPubActorType, ActorImageType } from '@shared/models'
import { retryTransactionWrapper } from '../helpers/database-utils'
import { processImage } from '../helpers/image-utils'
import { downloadImage } from '../helpers/requests'
import { CONFIG } from '../initializers/config'
import { ACTOR_IMAGES_SIZE, LRU_CACHE, QUEUE_CONCURRENCY, WEBSERVER } from '../initializers/constants'
import { sequelizeTypescript } from '../initializers/database'
import { MAccountDefault, MActor, MChannelDefault } from '../types/models'
import { deleteActorImageInstance, updateActorImageInstance } from './activitypub/actors'
import { sendUpdateActor } from './activitypub/send'
function buildActorInstance (type: ActivityPubActorType, url: string, preferredUsername: string) {
return new ActorModel({
type,
url,
preferredUsername,
publicKey: null,
privateKey: null,
followersCount: 0,
followingCount: 0,
inboxUrl: url + '/inbox',
outboxUrl: url + '/outbox',
sharedInboxUrl: WEBSERVER.URL + '/inbox',
followersUrl: url + '/followers',
followingUrl: url + '/following'
}) as MActor
}
async function updateLocalActorImageFile (
accountOrChannel: MAccountDefault | MChannelDefault,
imagePhysicalFile: Express.Multer.File,
type: ActorImageType
) {
const imageSize = type === ActorImageType.AVATAR
? ACTOR_IMAGES_SIZE.AVATARS
: ACTOR_IMAGES_SIZE.BANNERS
const extension = getLowercaseExtension(imagePhysicalFile.filename)
const imageName = buildUUID() + extension
const destination = join(CONFIG.STORAGE.ACTOR_IMAGES, imageName)
await processImage(imagePhysicalFile.path, destination, imageSize)
return retryTransactionWrapper(() => {
return sequelizeTypescript.transaction(async t => {
const actorImageInfo = {
name: imageName,
fileUrl: null,
height: imageSize.height,
width: imageSize.width,
onDisk: true
}
const updatedActor = await updateActorImageInstance(accountOrChannel.Actor, type, actorImageInfo, t)
await updatedActor.save({ transaction: t })
await sendUpdateActor(accountOrChannel, t)
return type === ActorImageType.AVATAR
? updatedActor.Avatar
: updatedActor.Banner
})
})
}
async function deleteLocalActorImageFile (accountOrChannel: MAccountDefault | MChannelDefault, type: ActorImageType) {
return retryTransactionWrapper(() => {
return sequelizeTypescript.transaction(async t => {
const updatedActor = await deleteActorImageInstance(accountOrChannel.Actor, type, t)
await updatedActor.save({ transaction: t })
await sendUpdateActor(accountOrChannel, t)
return updatedActor.Avatar
})
})
}
type DownloadImageQueueTask = { fileUrl: string, filename: string, type: ActorImageType }
const downloadImageQueue = queue<DownloadImageQueueTask, Error>((task, cb) => {
const size = task.type === ActorImageType.AVATAR
? ACTOR_IMAGES_SIZE.AVATARS
: ACTOR_IMAGES_SIZE.BANNERS
downloadImage(task.fileUrl, CONFIG.STORAGE.ACTOR_IMAGES, task.filename, size)
.then(() => cb())
.catch(err => cb(err))
}, QUEUE_CONCURRENCY.ACTOR_PROCESS_IMAGE)
function pushActorImageProcessInQueue (task: DownloadImageQueueTask) {
return new Promise<void>((res, rej) => {
downloadImageQueue.push(task, err => {
if (err) return rej(err)
return res()
})
})
}
// Unsafe so could returns paths that does not exist anymore
const actorImagePathUnsafeCache = new LRUCache<string, string>({ max: LRU_CACHE.ACTOR_IMAGE_STATIC.MAX_SIZE })
export {
actorImagePathUnsafeCache,
updateLocalActorImageFile,
deleteLocalActorImageFile,
pushActorImageProcessInQueue,
buildActorInstance
}
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