aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/api/v1/videos.js
blob: 73e496ace0a4ccee34a5950cc2a37befe21c2aa4 (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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
'use strict'

const async = require('async')
const config = require('config')
const express = require('express')
const fs = require('fs')
const path = require('path')
const multer = require('multer')

const constants = require('../../../initializers/constants')
const logger = require('../../../helpers/logger')
const friends = require('../../../lib/friends')
const middlewares = require('../../../middlewares')
const oAuth2 = middlewares.oauth2
const pagination = middlewares.pagination
const reqValidator = middlewares.reqValidators
const reqValidatorPagination = reqValidator.pagination
const reqValidatorSort = reqValidator.sort
const reqValidatorVideos = reqValidator.videos
const sort = middlewares.sort
const utils = require('../../../helpers/utils')
const Videos = require('../../../models/videos') // model
const videos = require('../../../lib/videos')
const webtorrent = require('../../../lib/webtorrent')

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

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

  filename: function (req, file, cb) {
    let extension = ''
    if (file.mimetype === 'video/webm') extension = 'webm'
    else if (file.mimetype === 'video/mp4') extension = 'mp4'
    else if (file.mimetype === 'video/ogg') extension = 'ogv'
    utils.generateRandomString(16, function (err, randomString) {
      const fieldname = err ? undefined : randomString
      cb(null, fieldname + '.' + extension)
    })
  }
})

const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }])
const thumbnailsDir = path.join(__dirname, '..', '..', '..', '..', config.get('storage.thumbnails'))

router.get('/',
  reqValidatorPagination.pagination,
  reqValidatorSort.videosSort,
  sort.setVideosSort,
  pagination.setPagination,
  listVideos
)
router.post('/',
  oAuth2.authenticate,
  reqFiles,
  reqValidatorVideos.videosAdd,
  addVideo
)
router.get('/:id',
  reqValidatorVideos.videosGet,
  getVideos
)
router.delete('/:id',
  oAuth2.authenticate,
  reqValidatorVideos.videosRemove,
  removeVideo
)
router.get('/search/:name',
  reqValidatorVideos.videosSearch,
  reqValidatorPagination.pagination,
  reqValidatorSort.videosSort,
  sort.setVideosSort,
  pagination.setPagination,
  searchVideos
)

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

module.exports = router

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

function addVideo (req, res, next) {
  const videoFile = req.files.videofile[0]
  const videoInfos = req.body

  async.waterfall([
    function seedTheVideo (callback) {
      videos.seed(videoFile.path, callback)
    },

    function createThumbnail (torrent, callback) {
      videos.createVideoThumbnail(videoFile.path, function (err, thumbnailName) {
        if (err) {
          // TODO: unseed the video
          logger.error('Cannot make a thumbnail of the video file.')
          return callback(err)
        }

        callback(null, torrent, thumbnailName)
      })
    },

    function insertIntoDB (torrent, thumbnailName, callback) {
      const videoData = {
        name: videoInfos.name,
        namePath: videoFile.filename,
        description: videoInfos.description,
        magnetUri: torrent.magnetURI,
        author: res.locals.oauth.token.user.username,
        duration: videoFile.duration,
        thumbnail: thumbnailName
      }

      Videos.add(videoData, function (err, insertedVideo) {
        if (err) {
          // TODO unseed the video
          // TODO remove thumbnail
          logger.error('Cannot insert this video in the database.')
          return callback(err)
        }

        return callback(null, torrent, thumbnailName, videoData, insertedVideo)
      })
    },

    function getThumbnailBase64 (torrent, thumbnailName, videoData, insertedVideo, callback) {
      videoData.createdDate = insertedVideo.createdDate

      fs.readFile(thumbnailsDir + thumbnailName, function (err, thumbnailData) {
        if (err) {
          // TODO unseed the video
          // TODO remove thumbnail
          // TODO: remove video
          logger.error('Cannot read the thumbnail of the video')
          return callback(err)
        }

        return callback(null, videoData, thumbnailData)
      })
    },

    function sendToFriends (videoData, thumbnailData, callback) {
      // Set the image in base64
      videoData.thumbnailBase64 = new Buffer(thumbnailData).toString('base64')

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

      return callback(null)
    }

  ], function (err) {
    if (err) {
      logger.error('Cannot insert the video.')
      return next(err)
    }

    // TODO : include Location of the new video -> 201
    return res.type('json').status(204).end()
  })
}

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

    const state = videos.getVideoState(videoObj)
    if (state.exist === false) {
      return res.type('json').status(204).end()
    }

    res.json(getFormatedVideo(videoObj))
  })
}

function listVideos (req, res, next) {
  Videos.list(req.query.start, req.query.count, req.query.sort, function (err, videosList) {
    if (err) return next(err)

    res.json(getFormatedVideos(videosList))
  })
}

function removeVideo (req, res, next) {
  const videoId = req.params.id

  async.waterfall([
    function getVideo (callback) {
      Videos.get(videoId, callback)
    },

    function removeVideoTorrent (video, callback) {
      removeTorrent(video.magnetUri, function () {
        return callback(null, video)
      })
    },

    function removeFromDB (video, callback) {
      Videos.removeOwned(req.params.id, function (err) {
        if (err) return callback(err)

        return callback(null, video)
      })
    },

    function removeVideoData (video, callback) {
      videos.removeVideosDataFromDisk([ video ], function (err) {
        if (err) logger.error('Cannot remove video data from disk.', { video: video })

        return callback(null, video)
      })
    },

    function sendInformationToFriends (video, callback) {
      const params = {
        name: video.name,
        magnetUri: video.magnetUri
      }

      friends.removeVideoToFriends(params)

      return callback(null)
    }
  ], function (err) {
    if (err) {
      logger.error('Errors when removed the video.', { error: err })
      return next(err)
    }

    return res.type('json').status(204).end()
  })
}

function searchVideos (req, res, next) {
  Videos.search(req.params.name, req.query.start, req.query.count, req.query.sort, function (err, videosList) {
    if (err) return next(err)

    res.json(getFormatedVideos(videosList))
  })
}

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

function getFormatedVideo (videoObj) {
  const formatedVideo = {
    id: videoObj._id,
    name: videoObj.name,
    description: videoObj.description,
    podUrl: videoObj.podUrl,
    isLocal: videos.getVideoState(videoObj).owned,
    magnetUri: videoObj.magnetUri,
    author: videoObj.author,
    duration: videoObj.duration,
    thumbnailPath: constants.THUMBNAILS_STATIC_PATH + '/' + videoObj.thumbnail,
    createdDate: videoObj.createdDate
  }

  return formatedVideo
}

function getFormatedVideos (videosObj) {
  const formatedVideos = []

  videosObj.forEach(function (videoObj) {
    formatedVideos.push(getFormatedVideo(videoObj))
  })

  return formatedVideos
}

// 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)
  }
}