server/controllers/api/remote.js

   1 'use strict'
   2
   3 const each = require('async/each')
   4 const eachSeries = require('async/eachSeries')
   5 const express = require('express')
   6 const mongoose = require('mongoose')
   7
   8 const middlewares = require('../../middlewares')
   9 const secureMiddleware = middlewares.secure
  10 const validators = middlewares.validators.remote
  11 const logger = require('../../helpers/logger')
  12
  13 const router = express.Router()
  14 const Video = mongoose.model('Video')
  15
  16 router.post('/videos',
  17   validators.signature,
  18   secureMiddleware.checkSignature,
  19   validators.remoteVideos,
  20   remoteVideos
  21 )
  22
  23 // ---------------------------------------------------------------------------
  24
  25 module.exports = router
  26
  27 // ---------------------------------------------------------------------------
  28
  29 function remoteVideos (req, res, next) {
  30   const requests = req.body.data
  31   const fromHost = req.body.signature.host
  32
  33   // We need to process in the same order to keep consistency
  34   // TODO: optimization
  35   eachSeries(requests, function (request, callbackEach) {
  36     const videoData = request.data
  37
  38     if (request.type === 'add') {
  39       addRemoteVideo(videoData, fromHost, callbackEach)
  40     } else if (request.type === 'remove') {
  41       removeRemoteVideo(videoData, fromHost, callbackEach)
  42     } else {
  43       logger.error('Unkown remote request type %s.', request.type)
  44     }
  45   }, function (err) {
  46     if (err) logger.error('Error managing remote videos.', { error: err })
  47   })
  48
  49   // We don't need to keep the other pod waiting
  50   return res.type('json').status(204).end()
  51 }
  52
  53 function addRemoteVideo (videoToCreateData, fromHost, callback) {
  54   logger.debug('Adding remote video "%s".', videoToCreateData.name)
  55
  56   const video = new Video(videoToCreateData)
  57   video.podHost = fromHost
  58   Video.generateThumbnailFromBase64(video, videoToCreateData.thumbnailBase64, function (err) {
  59     if (err) {
  60       logger.error('Cannot generate thumbnail from base 64 data.', { error: err })
  61       return callback(err)
  62     }
  63
  64     video.save(callback)
  65   })
  66 }
  67
  68 function removeRemoteVideo (videoToRemoveData, fromHost, callback) {
  69   // We need the list because we have to remove some other stuffs (thumbnail etc)
  70   Video.listByHostAndRemoteId(fromHost, videoToRemoveData.remoteId, function (err, videosList) {
  71     if (err) {
  72       logger.error('Cannot list videos from host and magnets.', { error: err })
  73       return callback(err)
  74     }
  75
  76     if (videosList.length === 0) {
  77       logger.error('No remote video was found for this pod.', { magnetUri: videoToRemoveData.magnetUri, podHost: fromHost })
  78     }
  79
  80     each(videosList, function (video, callbackEach) {
  81       logger.debug('Removing remote video %s.', video.magnetUri)
  82
  83       video.remove(callbackEach)
  84     }, callback)
  85   })
  86 }