aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/api/remote/videos.ts
blob: d97a3db31ef0683a34d5c4cd973c74d6be8d0449 (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
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
import * as express from 'express'
import { eachSeries, waterfall } from 'async'

import { database as db } from '../../../initializers/database'
import {
  REQUEST_ENDPOINT_ACTIONS,
  REQUEST_ENDPOINTS,
  REQUEST_VIDEO_EVENT_TYPES,
  REQUEST_VIDEO_QADU_TYPES
} from '../../../initializers'
import {
  checkSignature,
  signatureValidator,
  remoteVideosValidator,
  remoteQaduVideosValidator,
  remoteEventsVideosValidator
} from '../../../middlewares'
import {
  logger,
  commitTransaction,
  retryTransactionWrapper,
  rollbackTransaction,
  startSerializableTransaction
} from '../../../helpers'
import { quickAndDirtyUpdatesVideoToFriends } from '../../../lib'

const ENDPOINT_ACTIONS = REQUEST_ENDPOINT_ACTIONS[REQUEST_ENDPOINTS.VIDEOS]

// Functions to call when processing a remote request
const functionsHash = {}
functionsHash[ENDPOINT_ACTIONS.ADD] = addRemoteVideoRetryWrapper
functionsHash[ENDPOINT_ACTIONS.UPDATE] = updateRemoteVideoRetryWrapper
functionsHash[ENDPOINT_ACTIONS.REMOVE] = removeRemoteVideo
functionsHash[ENDPOINT_ACTIONS.REPORT_ABUSE] = reportAbuseRemoteVideo

const remoteVideosRouter = express.Router()

remoteVideosRouter.post('/',
  signatureValidator,
  checkSignature,
  remoteVideosValidator,
  remoteVideos
)

remoteVideosRouter.post('/qadu',
  signatureValidator,
  checkSignature,
  remoteQaduVideosValidator,
  remoteVideosQadu
)

remoteVideosRouter.post('/events',
  signatureValidator,
  checkSignature,
  remoteEventsVideosValidator,
  remoteVideosEvents
)

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

export {
  remoteVideosRouter
}

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

function remoteVideos (req, res, next) {
  const requests = req.body.data
  const fromPod = res.locals.secure.pod

  // We need to process in the same order to keep consistency
  // TODO: optimization
  eachSeries(requests, function (request: any, callbackEach) {
    const data = request.data

    // Get the function we need to call in order to process the request
    const fun = functionsHash[request.type]
    if (fun === undefined) {
      logger.error('Unkown remote request type %s.', request.type)
      return callbackEach(null)
    }

    fun.call(this, data, fromPod, callbackEach)
  }, function (err) {
    if (err) logger.error('Error managing remote videos.', { error: err })
  })

  // We don't need to keep the other pod waiting
  return res.type('json').status(204).end()
}

function remoteVideosQadu (req, res, next) {
  const requests = req.body.data
  const fromPod = res.locals.secure.pod

  eachSeries(requests, function (request: any, callbackEach) {
    const videoData = request.data

    quickAndDirtyUpdateVideoRetryWrapper(videoData, fromPod, callbackEach)
  }, function (err) {
    if (err) logger.error('Error managing remote videos.', { error: err })
  })

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

function remoteVideosEvents (req, res, next) {
  const requests = req.body.data
  const fromPod = res.locals.secure.pod

  eachSeries(requests, function (request: any, callbackEach) {
    const eventData = request.data

    processVideosEventsRetryWrapper(eventData, fromPod, callbackEach)
  }, function (err) {
    if (err) logger.error('Error managing remote videos.', { error: err })
  })

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

function processVideosEventsRetryWrapper (eventData, fromPod, finalCallback) {
  const options = {
    arguments: [ eventData, fromPod ],
    errorMessage: 'Cannot process videos events with many retries.'
  }

  retryTransactionWrapper(processVideosEvents, options, finalCallback)
}

function processVideosEvents (eventData, fromPod, finalCallback) {
  waterfall([
    startSerializableTransaction,

    function findVideo (t, callback) {
      fetchOwnedVideo(eventData.remoteId, function (err, videoInstance) {
        return callback(err, t, videoInstance)
      })
    },

    function updateVideoIntoDB (t, videoInstance, callback) {
      const options = { transaction: t }

      let columnToUpdate
      let qaduType

      switch (eventData.eventType) {
        case REQUEST_VIDEO_EVENT_TYPES.VIEWS:
          columnToUpdate = 'views'
          qaduType = REQUEST_VIDEO_QADU_TYPES.VIEWS
          break

        case REQUEST_VIDEO_EVENT_TYPES.LIKES:
          columnToUpdate = 'likes'
          qaduType = REQUEST_VIDEO_QADU_TYPES.LIKES
          break

        case REQUEST_VIDEO_EVENT_TYPES.DISLIKES:
          columnToUpdate = 'dislikes'
          qaduType = REQUEST_VIDEO_QADU_TYPES.DISLIKES
          break

        default:
          return callback(new Error('Unknown video event type.'))
      }

      const query = {}
      query[columnToUpdate] = eventData.count

      videoInstance.increment(query, options).asCallback(function (err) {
        return callback(err, t, videoInstance, qaduType)
      })
    },

    function sendQaduToFriends (t, videoInstance, qaduType, callback) {
      const qadusParams = [
        {
          videoId: videoInstance.id,
          type: qaduType
        }
      ]

      quickAndDirtyUpdatesVideoToFriends(qadusParams, t, function (err) {
        return callback(err, t)
      })
    },

    commitTransaction

  ], function (err, t) {
    if (err) {
      logger.debug('Cannot process a video event.', { error: err })
      return rollbackTransaction(err, t, finalCallback)
    }

    logger.info('Remote video event processed for video %s.', eventData.remoteId)
    return finalCallback(null)
  })
}

function quickAndDirtyUpdateVideoRetryWrapper (videoData, fromPod, finalCallback) {
  const options = {
    arguments: [ videoData, fromPod ],
    errorMessage: 'Cannot update quick and dirty the remote video with many retries.'
  }

  retryTransactionWrapper(quickAndDirtyUpdateVideo, options, finalCallback)
}

function quickAndDirtyUpdateVideo (videoData, fromPod, finalCallback) {
  let videoName

  waterfall([
    startSerializableTransaction,

    function findVideo (t, callback) {
      fetchRemoteVideo(fromPod.host, videoData.remoteId, function (err, videoInstance) {
        return callback(err, t, videoInstance)
      })
    },

    function updateVideoIntoDB (t, videoInstance, callback) {
      const options = { transaction: t }

      videoName = videoInstance.name

      if (videoData.views) {
        videoInstance.set('views', videoData.views)
      }

      if (videoData.likes) {
        videoInstance.set('likes', videoData.likes)
      }

      if (videoData.dislikes) {
        videoInstance.set('dislikes', videoData.dislikes)
      }

      videoInstance.save(options).asCallback(function (err) {
        return callback(err, t)
      })
    },

    commitTransaction

  ], function (err, t) {
    if (err) {
      logger.debug('Cannot quick and dirty update the remote video.', { error: err })
      return rollbackTransaction(err, t, finalCallback)
    }

    logger.info('Remote video %s quick and dirty updated', videoName)
    return finalCallback(null)
  })
}

// Handle retries on fail
function addRemoteVideoRetryWrapper (videoToCreateData, fromPod, finalCallback) {
  const options = {
    arguments: [ videoToCreateData, fromPod ],
    errorMessage: 'Cannot insert the remote video with many retries.'
  }

  retryTransactionWrapper(addRemoteVideo, options, finalCallback)
}

function addRemoteVideo (videoToCreateData, fromPod, finalCallback) {
  logger.debug('Adding remote video "%s".', videoToCreateData.remoteId)

  waterfall([

    startSerializableTransaction,

    function assertRemoteIdAndHostUnique (t, callback) {
      db.Video.loadByHostAndRemoteId(fromPod.host, videoToCreateData.remoteId, function (err, video) {
        if (err) return callback(err)

        if (video) return callback(new Error('RemoteId and host pair is not unique.'))

        return callback(null, t)
      })
    },

    function findOrCreateAuthor (t, callback) {
      const name = videoToCreateData.author
      const podId = fromPod.id
      // This author is from another pod so we do not associate a user
      const userId = null

      db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) {
        return callback(err, t, authorInstance)
      })
    },

    function findOrCreateTags (t, author, callback) {
      const tags = videoToCreateData.tags

      db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) {
        return callback(err, t, author, tagInstances)
      })
    },

    function createVideoObject (t, author, tagInstances, callback) {
      const videoData = {
        name: videoToCreateData.name,
        remoteId: videoToCreateData.remoteId,
        extname: videoToCreateData.extname,
        infoHash: videoToCreateData.infoHash,
        category: videoToCreateData.category,
        licence: videoToCreateData.licence,
        language: videoToCreateData.language,
        nsfw: videoToCreateData.nsfw,
        description: videoToCreateData.description,
        authorId: author.id,
        duration: videoToCreateData.duration,
        createdAt: videoToCreateData.createdAt,
        // FIXME: updatedAt does not seems to be considered by Sequelize
        updatedAt: videoToCreateData.updatedAt,
        views: videoToCreateData.views,
        likes: videoToCreateData.likes,
        dislikes: videoToCreateData.dislikes
      }

      const video = db.Video.build(videoData)

      return callback(null, t, tagInstances, video)
    },

    function generateThumbnail (t, tagInstances, video, callback) {
      db.Video.generateThumbnailFromData(video, videoToCreateData.thumbnailData, function (err) {
        if (err) {
          logger.error('Cannot generate thumbnail from data.', { error: err })
          return callback(err)
        }

        return callback(err, t, tagInstances, video)
      })
    },

    function insertVideoIntoDB (t, tagInstances, video, callback) {
      const options = {
        transaction: t
      }

      video.save(options).asCallback(function (err, videoCreated) {
        return callback(err, t, tagInstances, videoCreated)
      })
    },

    function associateTagsToVideo (t, tagInstances, video, callback) {
      const options = {
        transaction: t
      }

      video.setTags(tagInstances, options).asCallback(function (err) {
        return callback(err, t)
      })
    },

    commitTransaction

  ], function (err, t) {
    if (err) {
      // This is just a debug because we will retry the insert
      logger.debug('Cannot insert the remote video.', { error: err })
      return rollbackTransaction(err, t, finalCallback)
    }

    logger.info('Remote video %s inserted.', videoToCreateData.name)
    return finalCallback(null)
  })
}

// Handle retries on fail
function updateRemoteVideoRetryWrapper (videoAttributesToUpdate, fromPod, finalCallback) {
  const options = {
    arguments: [ videoAttributesToUpdate, fromPod ],
    errorMessage: 'Cannot update the remote video with many retries'
  }

  retryTransactionWrapper(updateRemoteVideo, options, finalCallback)
}

function updateRemoteVideo (videoAttributesToUpdate, fromPod, finalCallback) {
  logger.debug('Updating remote video "%s".', videoAttributesToUpdate.remoteId)

  waterfall([

    startSerializableTransaction,

    function findVideo (t, callback) {
      fetchRemoteVideo(fromPod.host, videoAttributesToUpdate.remoteId, function (err, videoInstance) {
        return callback(err, t, videoInstance)
      })
    },

    function findOrCreateTags (t, videoInstance, callback) {
      const tags = videoAttributesToUpdate.tags

      db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) {
        return callback(err, t, videoInstance, tagInstances)
      })
    },

    function updateVideoIntoDB (t, videoInstance, tagInstances, callback) {
      const options = { transaction: t }

      videoInstance.set('name', videoAttributesToUpdate.name)
      videoInstance.set('category', videoAttributesToUpdate.category)
      videoInstance.set('licence', videoAttributesToUpdate.licence)
      videoInstance.set('language', videoAttributesToUpdate.language)
      videoInstance.set('nsfw', videoAttributesToUpdate.nsfw)
      videoInstance.set('description', videoAttributesToUpdate.description)
      videoInstance.set('infoHash', videoAttributesToUpdate.infoHash)
      videoInstance.set('duration', videoAttributesToUpdate.duration)
      videoInstance.set('createdAt', videoAttributesToUpdate.createdAt)
      videoInstance.set('updatedAt', videoAttributesToUpdate.updatedAt)
      videoInstance.set('extname', videoAttributesToUpdate.extname)
      videoInstance.set('views', videoAttributesToUpdate.views)
      videoInstance.set('likes', videoAttributesToUpdate.likes)
      videoInstance.set('dislikes', videoAttributesToUpdate.dislikes)

      videoInstance.save(options).asCallback(function (err) {
        return callback(err, t, videoInstance, tagInstances)
      })
    },

    function associateTagsToVideo (t, videoInstance, tagInstances, callback) {
      const options = { transaction: t }

      videoInstance.setTags(tagInstances, options).asCallback(function (err) {
        return callback(err, t)
      })
    },

    commitTransaction

  ], function (err, t) {
    if (err) {
      // This is just a debug because we will retry the insert
      logger.debug('Cannot update the remote video.', { error: err })
      return rollbackTransaction(err, t, finalCallback)
    }

    logger.info('Remote video %s updated', videoAttributesToUpdate.name)
    return finalCallback(null)
  })
}

function removeRemoteVideo (videoToRemoveData, fromPod, callback) {
  // We need the instance because we have to remove some other stuffs (thumbnail etc)
  fetchRemoteVideo(fromPod.host, videoToRemoveData.remoteId, function (err, video) {
    // Do not return the error, continue the process
    if (err) return callback(null)

    logger.debug('Removing remote video %s.', video.remoteId)
    video.destroy().asCallback(function (err) {
      // Do not return the error, continue the process
      if (err) {
        logger.error('Cannot remove remote video with id %s.', videoToRemoveData.remoteId, { error: err })
      }

      return callback(null)
    })
  })
}

function reportAbuseRemoteVideo (reportData, fromPod, callback) {
  fetchOwnedVideo(reportData.videoRemoteId, function (err, video) {
    if (err || !video) {
      if (!err) err = new Error('video not found')

      logger.error('Cannot load video from id.', { error: err, id: reportData.videoRemoteId })
      // Do not return the error, continue the process
      return callback(null)
    }

    logger.debug('Reporting remote abuse for video %s.', video.id)

    const videoAbuseData = {
      reporterUsername: reportData.reporterUsername,
      reason: reportData.reportReason,
      reporterPodId: fromPod.id,
      videoId: video.id
    }

    db.VideoAbuse.create(videoAbuseData).asCallback(function (err) {
      if (err) {
        logger.error('Cannot create remote abuse video.', { error: err })
      }

      return callback(null)
    })
  })
}

function fetchOwnedVideo (id, callback) {
  db.Video.load(id, function (err, video) {
    if (err || !video) {
      if (!err) err = new Error('video not found')

      logger.error('Cannot load owned video from id.', { error: err, id })
      return callback(err)
    }

    return callback(null, video)
  })
}

function fetchRemoteVideo (podHost, remoteId, callback) {
  db.Video.loadByHostAndRemoteId(podHost, remoteId, function (err, video) {
    if (err || !video) {
      if (!err) err = new Error('video not found')

      logger.error('Cannot load video from host and remote id.', { error: err, podHost, remoteId })
      return callback(err)
    }

    return callback(null, video)
  })
}