server/lib/avatar.ts

   1 import 'multer'
   2 import { sendUpdateActor } from './activitypub/send'
   3 import { AVATARS_SIZE, LRU_CACHE, QUEUE_CONCURRENCY } from '../initializers/constants'
   4 import { updateActorAvatarInstance } from './activitypub'
   5 import { processImage } from '../helpers/image-utils'
   6 import { AccountModel } from '../models/account/account'
   7 import { VideoChannelModel } from '../models/video/video-channel'
   8 import { extname, join } from 'path'
   9 import { retryTransactionWrapper } from '../helpers/database-utils'
  10 import * as uuidv4 from 'uuid/v4'
  11 import { CONFIG } from '../initializers/config'
  12 import { sequelizeTypescript } from '../initializers/database'
  13 import * as LRUCache from 'lru-cache'
  14 import { queue } from 'async'
  15 import { downloadImage } from '../helpers/requests'
  16
  17 async function updateActorAvatarFile (avatarPhysicalFile: Express.Multer.File, accountOrChannel: AccountModel | VideoChannelModel) {
  18   const extension = extname(avatarPhysicalFile.filename)
  19   const avatarName = uuidv4() + extension
  20   const destination = join(CONFIG.STORAGE.AVATARS_DIR, avatarName)
  21   await processImage(avatarPhysicalFile.path, destination, AVATARS_SIZE)
  22
  23   return retryTransactionWrapper(() => {
  24     return sequelizeTypescript.transaction(async t => {
  25       const avatarInfo = {
  26         name: avatarName,
  27         fileUrl: null,
  28         onDisk: true
  29       }
  30
  31       const updatedActor = await updateActorAvatarInstance(accountOrChannel.Actor, avatarInfo, t)
  32       await updatedActor.save({ transaction: t })
  33
  34       await sendUpdateActor(accountOrChannel, t)
  35
  36       return updatedActor.Avatar
  37     })
  38   })
  39 }
  40
  41 type DownloadImageQueueTask = { fileUrl: string, filename: string }
  42
  43 const downloadImageQueue = queue<DownloadImageQueueTask, Error>((task, cb) => {
  44   downloadImage(task.fileUrl, CONFIG.STORAGE.AVATARS_DIR, task.filename, AVATARS_SIZE)
  45     .then(() => cb())
  46     .catch(err => cb(err))
  47 }, QUEUE_CONCURRENCY.AVATAR_PROCESS_IMAGE)
  48
  49 function pushAvatarProcessInQueue (task: DownloadImageQueueTask) {
  50   return new Promise((res, rej) => {
  51     downloadImageQueue.push(task, err => {
  52       if (err) return rej(err)
  53
  54       return res()
  55     })
  56   })
  57 }
  58
  59 // Unsafe so could returns paths that does not exist anymore
  60 const avatarPathUnsafeCache = new LRUCache<string, string>({ max: LRU_CACHE.AVATAR_STATIC.MAX_SIZE })
  61
  62 export {
  63   avatarPathUnsafeCache,
  64   updateActorAvatarFile,
  65   pushAvatarProcessInQueue
  66 }