aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/videos.js
blob: f787ae49cddacfec8ba153244d6ea84170806720 (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
;(function () {
  'use strict'

  var fs = require('fs')
  var webtorrent = require('./webTorrentNode')
  var config = require('config')
  var async = require('async')

  var logger = require('./logger')
  var VideosDB = require('./database').VideosDB
  var pods = require('./pods')

  var videos = {}
  // Public url
  var http = config.get('webserver.https') === true ? 'https' : 'http'
  var host = config.get('webserver.host')
  var port = config.get('webserver.port')

  // ----------- Private functions -----------
  function seedVideo (path, callback) {
    logger.debug('Seeding : %s', path)

    webtorrent.seed(path, function (torrent) {
      logger.debug('Seeded : %s', torrent.magnetURI)

      return callback(null, torrent)
    })
  }

  // ----------- Public attributes ----------
  videos.uploadDir = __dirname + '/../' + config.get('storage.uploads')

  // ----------- Public functions -----------
  videos.list = function (callback) {
    VideosDB.find(function (err, videos_list) {
      if (err) {
        logger.error('Cannot get list of the videos.', { error: err })
        return callback(err)
      }

      return callback(null, videos_list)
    })
  }

  videos.add = function (data, callback) {
    var video_file = data.video
    var video_data = data.data

    logger.debug('Path: %s', video_file.path)
    seedVideo(video_file.path, function (err, torrent) {
      if (err) {
        logger.error('Cannot seed this video.', { error: err })
        return callback(err)
      }

      var params = {
        name: video_data.name,
        namePath: video_file.name,
        description: video_data.description,
        magnetUri: torrent.magnetURI,
        podUrl: http + '://' + host + ':' + port
      }

      VideosDB.create(params, function (err, video) {
        if (err) {
          logger.error('Cannot insert this video.', { error: err })
          return callback(err)
        }

        // Now we'll send the video's meta data
        params.namePath = null

        logger.debug('Sending this video Uri to friends...')

        var data = {
          path: '/api/' + global.API_VERSION + '/remotevideos/add',
          method: 'POST',
          data: params
        }

        pods.makeSecureRequest(data, function (err) {
          if (err) {
            logger.error('Somes issues when sending this video to friends.', { error: err })
            return callback(err)
          }

          return callback(null)
        })
      })
    })
  }

  videos.remove = function (id, callback) {
    // Maybe the torrent is not seeding, it doesn't have importance
    function removeTorrent (magnetUri, callback) {
      try {
        webtorrent.remove(magnetUri, callback)
      } catch (err) {
        logger.warn('Cannot remove the torrent from WebTorrent', { err: err })
        return callback(null)
      }
    }

    VideosDB.findById(id, function (err, video) {
      if (err || !video) {
        if (!err) err = new Error('Cannot find this video.')
        logger.error('Cannot find this video.', { error: err })
        return callback(err)
      }

      if (video.namePath === null) {
        var error_string = 'Cannot remove the video of another pod.'
        logger.error(error_string)
        return callback(new Error(error_string))
      }

      logger.debug('Removing video %s', video.magnetUri)

      removeTorrent(video.magnetUri, function () {
        VideosDB.findByIdAndRemove(id, function (err) {
          if (err) {
            logger.error('Cannot remove the torrent.', { error: err })
            return callback(err)
          }

          fs.unlink(videos.uploadDir + video.namePath, function (err) {
            if (err) {
              logger.error('Cannot remove this video file.', { error: err })
              return callback(err)
            }

            var data = {
              path: '/api/' + global.API_VERSION + '/remotevideos/remove',
              method: 'POST',
              data: {
                magnetUri: video.magnetUri
              }
            }

            // Yes this is a POST request because we add some informations in the body (signature, encrypt etc)
            pods.makeSecureRequest(data, function (err) {
              if (err) {
                logger.error('Somes issues when sending we want to remove the video to friends.', { error: err })
                return callback(err)
              }

              callback(null)
            })
          })
        })
      })
    })
  }

  // Use the magnet Uri because the _id field is not the same on different servers
  videos.removeRemote = function (fromUrl, magnetUri, callback) {
    // TODO : check if the remote server has the rights to remove this video

    VideosDB.findOne({ magnetUri: magnetUri }, function (err, video) {
      if (err || !video) {
        logger.error('Cannot find the torrent URI of this remote video.')
        return callback(err)
      }

      if (video.podUrl !== fromUrl) {
        logger.error('The pod has not rights on this video.')
        return callback(err)
      }

      VideosDB.findByIdAndRemove(video._id, function (err) {
        if (err) {
          logger.error('Cannot remove the remote video.')
          return callback(err)
        }

        callback(null)
      })
    })
  }

  // { name, magnetUri, podUrl }
  videos.addRemote = function (data, callback) {
    logger.debug('Add remote video from pod: %s', data.podUrl)

    var params = {
      name: data.name,
      namePath: null,
      description: data.description,
      magnetUri: data.magnetUri,
      podUrl: data.podUrl
    }

    VideosDB.create(params, function (err, video) {
      if (err) {
        logger.error('Cannot insert this remote video.', { error: err })
        return callback(err)
      }

      return callback(null, video)
    })
  }

  videos.get = function (id, callback) {
    VideosDB.findById(id, function (err, video) {
      if (err) {
        logger.error('Cannot get this video.', { error: err })
        return callback(err)
      }

      return callback(null, video)
    })
  }

  videos.search = function (name, callback) {
    VideosDB.find({ name: new RegExp(name) }, function (err, videos) {
      if (err) {
        logger.error('Cannot search the videos.', { error: err })
        return callback(err)
      }

      return callback(null, videos)
    })
  }

  videos.seedAll = function (final_callback) {
    VideosDB.find({ namePath: { $ne: null } }, function (err, videos_list) {
      if (err) {
        logger.error('Cannot get list of the videos to seed.', { error: err })
        return final_callback(err)
      }

      async.each(videos_list, function (video, callback) {
        seedVideo(videos.uploadDir + video.namePath, function (err) {
          if (err) {
            logger.error('Cannot seed this video.', { error: err })
            return callback(err)
          }

          callback(null)
        })
      }, final_callback)
    })
  }

  module.exports = videos
})()