server/controllers/api/server/follows.ts

   1 import * as express from 'express'
   2 import { UserRight } from '../../../../shared/models/users'
   3 import { logger } from '../../../helpers/logger'
   4 import { getFormattedObjects, getServerActor } from '../../../helpers/utils'
   5 import { sequelizeTypescript } from '../../../initializers'
   6 import { sendUndoFollow } from '../../../lib/activitypub/send'
   7 import {
   8   asyncMiddleware,
   9   authenticate,
  10   ensureUserHasRight,
  11   paginationValidator,
  12   removeFollowingValidator,
  13   setBodyHostsPort,
  14   setDefaultPagination,
  15   setDefaultSort
  16 } from '../../../middlewares'
  17 import { followersSortValidator, followingSortValidator, followValidator } from '../../../middlewares/validators'
  18 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
  19 import { JobQueue } from '../../../lib/job-queue'
  20
  21 const serverFollowsRouter = express.Router()
  22 serverFollowsRouter.get('/following',
  23   paginationValidator,
  24   followingSortValidator,
  25   setDefaultSort,
  26   setDefaultPagination,
  27   asyncMiddleware(listFollowing)
  28 )
  29
  30 serverFollowsRouter.post('/following',
  31   authenticate,
  32   ensureUserHasRight(UserRight.MANAGE_SERVER_FOLLOW),
  33   followValidator,
  34   setBodyHostsPort,
  35   asyncMiddleware(followInstance)
  36 )
  37
  38 serverFollowsRouter.delete('/following/:host',
  39   authenticate,
  40   ensureUserHasRight(UserRight.MANAGE_SERVER_FOLLOW),
  41   asyncMiddleware(removeFollowingValidator),
  42   asyncMiddleware(removeFollow)
  43 )
  44
  45 serverFollowsRouter.get('/followers',
  46   paginationValidator,
  47   followersSortValidator,
  48   setDefaultSort,
  49   setDefaultPagination,
  50   asyncMiddleware(listFollowers)
  51 )
  52
  53 // ---------------------------------------------------------------------------
  54
  55 export {
  56   serverFollowsRouter
  57 }
  58
  59 // ---------------------------------------------------------------------------
  60
  61 async function listFollowing (req: express.Request, res: express.Response, next: express.NextFunction) {
  62   const serverActor = await getServerActor()
  63   const resultList = await ActorFollowModel.listFollowingForApi(serverActor.id, req.query.start, req.query.count, req.query.sort)
  64
  65   return res.json(getFormattedObjects(resultList.data, resultList.total))
  66 }
  67
  68 async function listFollowers (req: express.Request, res: express.Response, next: express.NextFunction) {
  69   const serverActor = await getServerActor()
  70   const resultList = await ActorFollowModel.listFollowersForApi(serverActor.id, req.query.start, req.query.count, req.query.sort)
  71
  72   return res.json(getFormattedObjects(resultList.data, resultList.total))
  73 }
  74
  75 async function followInstance (req: express.Request, res: express.Response, next: express.NextFunction) {
  76   const hosts = req.body.hosts as string[]
  77
  78   for (const host of hosts) {
  79     JobQueue.Instance.createJob({ type: 'activitypub-follow', payload: { host } })
  80       .catch(err => logger.error('Cannot create follow job for %s.', host, err))
  81   }
  82
  83   return res.status(204).end()
  84 }
  85
  86 async function removeFollow (req: express.Request, res: express.Response, next: express.NextFunction) {
  87   const follow: ActorFollowModel = res.locals.follow
  88
  89   await sequelizeTypescript.transaction(async t => {
  90     if (follow.state === 'accepted') await sendUndoFollow(follow, t)
  91
  92     await follow.destroy({ transaction: t })
  93   })
  94
  95   // Destroy the actor that will destroy video channels, videos and video files too
  96   // This could be long so don't wait this task
  97   const following = follow.ActorFollowing
  98   following.destroy()
  99     .catch(err => logger.error('Cannot destroy actor that we do not follow anymore %s.', following.url, { err }))
 100
 101   return res.status(204).end()
 102 }