aboutsummaryrefslogtreecommitdiffhomepage
path: root/controllers/api/v1/videos.js
blob: 620711925ce1e6ec73cc984a882a49c08d499cb2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
'use strict'

var config = require('config')
var crypto = require('crypto')
var express = require('express')
var multer = require('multer')

var logger = require('../../../helpers/logger')
var friends = require('../../../lib/friends')
var middleware = require('../../../middlewares')
var cacheMiddleware = middleware.cache
var reqValidator = middleware.reqValidators.videos
var Videos = require('../../../models/videos') // model
var videos = require('../../../lib/videos')
var webtorrent = require('../../../lib/webtorrent')

var router = express.Router()
var uploads = config.get('storage.uploads')

// multer configuration
var storage = multer.diskStorage({
  destination: function (req, file, cb) {
    cb(null, uploads)
  },

  filename: function (req, file, cb) {
    var extension = ''
    if (file.mimetype === 'video/webm') extension = 'webm'
    else if (file.mimetype === 'video/mp4') extension = 'mp4'
    else if (file.mimetype === 'video/ogg') extension = 'ogv'
    crypto.pseudoRandomBytes(16, function (err, raw) {
      var fieldname = err ? undefined : raw.toString('hex')
      cb(null, fieldname + '.' + extension)
    })
  }
})

var reqFiles = multer({ storage: storage }).fields([{ name: 'input_video', maxCount: 1 }])

router.get('/', cacheMiddleware.cache(false), listVideos)
router.post('/', reqFiles, reqValidator.videosAdd, cacheMiddleware.cache(false), addVideo)
router.get('/:id', reqValidator.videosGet, cacheMiddleware.cache(false), getVideos)
router.delete('/:id', reqValidator.videosRemove, cacheMiddleware.cache(false), removeVideo)
router.get('/search/:name', reqValidator.videosSearch, cacheMiddleware.cache(false), searchVideos)

// ---------------------------------------------------------------------------

module.exports = router

// ---------------------------------------------------------------------------

function addVideo (req, res, next) {
  var video_file = req.files.input_video[0]
  var video_infos = req.body

  videos.seed(video_file.path, function (err, torrent) {
    if (err) {
      logger.error('Cannot seed this video.')
      return next(err)
    }

    var video_data = {
      name: video_infos.name,
      namePath: video_file.filename,
      description: video_infos.description,
      magnetUri: torrent.magnetURI
    }

    Videos.add(video_data, function (err) {
      if (err) {
        // TODO unseed the video
        logger.error('Cannot insert this video in the database.')
        return next(err)
      }

      // Now we'll add the video's meta data to our friends
      friends.addVideoToFriends(video_data)

      // TODO : include Location of the new video
      res.sendStatus(201)
    })
  })
}

function getVideos (req, res, next) {
  Videos.get(req.params.id, function (err, video) {
    if (err) return next(err)

    if (video === null) {
      return res.sendStatus(404)
    }

    res.json(video)
  })
}

function listVideos (req, res, next) {
  Videos.list(function (err, videos_list) {
    if (err) return next(err)

    res.json(videos_list)
  })
}

function removeVideo (req, res, next) {
  var video_id = req.params.id
  Videos.get(video_id, function (err, video) {
    if (err) return next(err)

    removeTorrent(video.magnetUri, function () {
      Videos.removeOwned(req.params.id, function (err) {
        if (err) return next(err)

        var params = {
          name: video.name,
          magnetUri: video.magnetUri
        }

        friends.removeVideoToFriends(params)
        res.sendStatus(204)
      })
    })
  })
}

function searchVideos (req, res, next) {
  Videos.search(req.params.name, function (err, videos_list) {
    if (err) return next(err)

    res.json(videos_list)
  })
}

// ---------------------------------------------------------------------------

// Maybe the torrent is not seeded, but we catch the error to don't stop the removing process
function removeTorrent (magnetUri, callback) {
  try {
    webtorrent.remove(magnetUri, callback)
  } catch (err) {
    logger.warn('Cannot remove the torrent from WebTorrent', { err: err })
    return callback(null)
  }
}