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1 | 'use strict' | |
2 | ||
3 | const eachSeries = require('async/eachSeries') | |
4 | const express = require('express') | |
5 | const waterfall = require('async/waterfall') | |
6 | ||
7 | const db = require('../../../initializers/database') | |
8 | const constants = require('../../../initializers/constants') | |
9 | const middlewares = require('../../../middlewares') | |
10 | const secureMiddleware = middlewares.secure | |
11 | const videosValidators = middlewares.validators.remote.videos | |
12 | const signatureValidators = middlewares.validators.remote.signature | |
13 | const logger = require('../../../helpers/logger') | |
14 | const friends = require('../../../lib/friends') | |
15 | const databaseUtils = require('../../../helpers/database-utils') | |
16 | ||
17 | const ENDPOINT_ACTIONS = constants.REQUEST_ENDPOINT_ACTIONS[constants.REQUEST_ENDPOINTS.VIDEOS] | |
18 | ||
19 | // Functions to call when processing a remote request | |
20 | const functionsHash = {} | |
21 | functionsHash[ENDPOINT_ACTIONS.ADD] = addRemoteVideoRetryWrapper | |
22 | functionsHash[ENDPOINT_ACTIONS.UPDATE] = updateRemoteVideoRetryWrapper | |
23 | functionsHash[ENDPOINT_ACTIONS.REMOVE] = removeRemoteVideo | |
24 | functionsHash[ENDPOINT_ACTIONS.REPORT_ABUSE] = reportAbuseRemoteVideo | |
25 | ||
26 | const router = express.Router() | |
27 | ||
28 | router.post('/', | |
29 | signatureValidators.signature, | |
30 | secureMiddleware.checkSignature, | |
31 | videosValidators.remoteVideos, | |
32 | remoteVideos | |
33 | ) | |
34 | ||
35 | router.post('/qadu', | |
36 | signatureValidators.signature, | |
37 | secureMiddleware.checkSignature, | |
38 | videosValidators.remoteQaduVideos, | |
39 | remoteVideosQadu | |
40 | ) | |
41 | ||
42 | router.post('/events', | |
43 | signatureValidators.signature, | |
44 | secureMiddleware.checkSignature, | |
45 | videosValidators.remoteEventsVideos, | |
46 | remoteVideosEvents | |
47 | ) | |
48 | ||
49 | // --------------------------------------------------------------------------- | |
50 | ||
51 | module.exports = router | |
52 | ||
53 | // --------------------------------------------------------------------------- | |
54 | ||
55 | function remoteVideos (req, res, next) { | |
56 | const requests = req.body.data | |
57 | const fromPod = res.locals.secure.pod | |
58 | ||
59 | // We need to process in the same order to keep consistency | |
60 | // TODO: optimization | |
61 | eachSeries(requests, function (request, callbackEach) { | |
62 | const data = request.data | |
63 | ||
64 | // Get the function we need to call in order to process the request | |
65 | const fun = functionsHash[request.type] | |
66 | if (fun === undefined) { | |
67 | logger.error('Unkown remote request type %s.', request.type) | |
68 | return callbackEach(null) | |
69 | } | |
70 | ||
71 | fun.call(this, data, fromPod, callbackEach) | |
72 | }, function (err) { | |
73 | if (err) logger.error('Error managing remote videos.', { error: err }) | |
74 | }) | |
75 | ||
76 | // We don't need to keep the other pod waiting | |
77 | return res.type('json').status(204).end() | |
78 | } | |
79 | ||
80 | function remoteVideosQadu (req, res, next) { | |
81 | const requests = req.body.data | |
82 | const fromPod = res.locals.secure.pod | |
83 | ||
84 | eachSeries(requests, function (request, callbackEach) { | |
85 | const videoData = request.data | |
86 | ||
87 | quickAndDirtyUpdateVideoRetryWrapper(videoData, fromPod, callbackEach) | |
88 | }, function (err) { | |
89 | if (err) logger.error('Error managing remote videos.', { error: err }) | |
90 | }) | |
91 | ||
92 | return res.type('json').status(204).end() | |
93 | } | |
94 | ||
95 | function remoteVideosEvents (req, res, next) { | |
96 | const requests = req.body.data | |
97 | const fromPod = res.locals.secure.pod | |
98 | ||
99 | eachSeries(requests, function (request, callbackEach) { | |
100 | const eventData = request.data | |
101 | ||
102 | processVideosEventsRetryWrapper(eventData, fromPod, callbackEach) | |
103 | }, function (err) { | |
104 | if (err) logger.error('Error managing remote videos.', { error: err }) | |
105 | }) | |
106 | ||
107 | return res.type('json').status(204).end() | |
108 | } | |
109 | ||
110 | function processVideosEventsRetryWrapper (eventData, fromPod, finalCallback) { | |
111 | const options = { | |
112 | arguments: [ eventData, fromPod ], | |
113 | errorMessage: 'Cannot process videos events with many retries.' | |
114 | } | |
115 | ||
116 | databaseUtils.retryTransactionWrapper(processVideosEvents, options, finalCallback) | |
117 | } | |
118 | ||
119 | function processVideosEvents (eventData, fromPod, finalCallback) { | |
120 | waterfall([ | |
121 | databaseUtils.startSerializableTransaction, | |
122 | ||
123 | function findVideo (t, callback) { | |
124 | fetchOwnedVideo(eventData.remoteId, function (err, videoInstance) { | |
125 | return callback(err, t, videoInstance) | |
126 | }) | |
127 | }, | |
128 | ||
129 | function updateVideoIntoDB (t, videoInstance, callback) { | |
130 | const options = { transaction: t } | |
131 | ||
132 | let columnToUpdate | |
133 | let qaduType | |
134 | ||
135 | switch (eventData.eventType) { | |
136 | case constants.REQUEST_VIDEO_EVENT_TYPES.VIEWS: | |
137 | columnToUpdate = 'views' | |
138 | qaduType = constants.REQUEST_VIDEO_QADU_TYPES.VIEWS | |
139 | break | |
140 | ||
141 | case constants.REQUEST_VIDEO_EVENT_TYPES.LIKES: | |
142 | columnToUpdate = 'likes' | |
143 | qaduType = constants.REQUEST_VIDEO_QADU_TYPES.LIKES | |
144 | break | |
145 | ||
146 | case constants.REQUEST_VIDEO_EVENT_TYPES.DISLIKES: | |
147 | columnToUpdate = 'dislikes' | |
148 | qaduType = constants.REQUEST_VIDEO_QADU_TYPES.DISLIKES | |
149 | break | |
150 | ||
151 | default: | |
152 | return callback(new Error('Unknown video event type.')) | |
153 | } | |
154 | ||
155 | const query = {} | |
156 | query[columnToUpdate] = eventData.count | |
157 | ||
158 | videoInstance.increment(query, options).asCallback(function (err) { | |
159 | return callback(err, t, videoInstance, qaduType) | |
160 | }) | |
161 | }, | |
162 | ||
163 | function sendQaduToFriends (t, videoInstance, qaduType, callback) { | |
164 | const qadusParams = [ | |
165 | { | |
166 | videoId: videoInstance.id, | |
167 | type: qaduType | |
168 | } | |
169 | ] | |
170 | ||
171 | friends.quickAndDirtyUpdatesVideoToFriends(qadusParams, t, function (err) { | |
172 | return callback(err, t) | |
173 | }) | |
174 | }, | |
175 | ||
176 | databaseUtils.commitTransaction | |
177 | ||
178 | ], function (err, t) { | |
179 | if (err) { | |
180 | logger.debug('Cannot process a video event.', { error: err }) | |
181 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
182 | } | |
183 | ||
184 | logger.info('Remote video event processed for video %s.', eventData.remoteId) | |
185 | return finalCallback(null) | |
186 | }) | |
187 | } | |
188 | ||
189 | function quickAndDirtyUpdateVideoRetryWrapper (videoData, fromPod, finalCallback) { | |
190 | const options = { | |
191 | arguments: [ videoData, fromPod ], | |
192 | errorMessage: 'Cannot update quick and dirty the remote video with many retries.' | |
193 | } | |
194 | ||
195 | databaseUtils.retryTransactionWrapper(quickAndDirtyUpdateVideo, options, finalCallback) | |
196 | } | |
197 | ||
198 | function quickAndDirtyUpdateVideo (videoData, fromPod, finalCallback) { | |
199 | waterfall([ | |
200 | databaseUtils.startSerializableTransaction, | |
201 | ||
202 | function findVideo (t, callback) { | |
203 | fetchRemoteVideo(fromPod.host, videoData.remoteId, function (err, videoInstance) { | |
204 | return callback(err, t, videoInstance) | |
205 | }) | |
206 | }, | |
207 | ||
208 | function updateVideoIntoDB (t, videoInstance, callback) { | |
209 | const options = { transaction: t } | |
210 | ||
211 | if (videoData.views) { | |
212 | videoInstance.set('views', videoData.views) | |
213 | } | |
214 | ||
215 | if (videoData.likes) { | |
216 | videoInstance.set('likes', videoData.likes) | |
217 | } | |
218 | ||
219 | if (videoData.dislikes) { | |
220 | videoInstance.set('dislikes', videoData.dislikes) | |
221 | } | |
222 | ||
223 | videoInstance.save(options).asCallback(function (err) { | |
224 | return callback(err, t) | |
225 | }) | |
226 | }, | |
227 | ||
228 | databaseUtils.commitTransaction | |
229 | ||
230 | ], function (err, t) { | |
231 | if (err) { | |
232 | logger.debug('Cannot quick and dirty update the remote video.', { error: err }) | |
233 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
234 | } | |
235 | ||
236 | logger.info('Remote video %s quick and dirty updated', videoData.name) | |
237 | return finalCallback(null) | |
238 | }) | |
239 | } | |
240 | ||
241 | // Handle retries on fail | |
242 | function addRemoteVideoRetryWrapper (videoToCreateData, fromPod, finalCallback) { | |
243 | const options = { | |
244 | arguments: [ videoToCreateData, fromPod ], | |
245 | errorMessage: 'Cannot insert the remote video with many retries.' | |
246 | } | |
247 | ||
248 | databaseUtils.retryTransactionWrapper(addRemoteVideo, options, finalCallback) | |
249 | } | |
250 | ||
251 | function addRemoteVideo (videoToCreateData, fromPod, finalCallback) { | |
252 | logger.debug('Adding remote video "%s".', videoToCreateData.remoteId) | |
253 | ||
254 | waterfall([ | |
255 | ||
256 | databaseUtils.startSerializableTransaction, | |
257 | ||
258 | function assertRemoteIdAndHostUnique (t, callback) { | |
259 | db.Video.loadByHostAndRemoteId(fromPod.host, videoToCreateData.remoteId, function (err, video) { | |
260 | if (err) return callback(err) | |
261 | ||
262 | if (video) return callback(new Error('RemoteId and host pair is not unique.')) | |
263 | ||
264 | return callback(null, t) | |
265 | }) | |
266 | }, | |
267 | ||
268 | function findOrCreateAuthor (t, callback) { | |
269 | const name = videoToCreateData.author | |
270 | const podId = fromPod.id | |
271 | // This author is from another pod so we do not associate a user | |
272 | const userId = null | |
273 | ||
274 | db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) { | |
275 | return callback(err, t, authorInstance) | |
276 | }) | |
277 | }, | |
278 | ||
279 | function findOrCreateTags (t, author, callback) { | |
280 | const tags = videoToCreateData.tags | |
281 | ||
282 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
283 | return callback(err, t, author, tagInstances) | |
284 | }) | |
285 | }, | |
286 | ||
287 | function createVideoObject (t, author, tagInstances, callback) { | |
288 | const videoData = { | |
289 | name: videoToCreateData.name, | |
290 | remoteId: videoToCreateData.remoteId, | |
291 | extname: videoToCreateData.extname, | |
292 | infoHash: videoToCreateData.infoHash, | |
293 | description: videoToCreateData.description, | |
294 | authorId: author.id, | |
295 | duration: videoToCreateData.duration, | |
296 | createdAt: videoToCreateData.createdAt, | |
297 | // FIXME: updatedAt does not seems to be considered by Sequelize | |
298 | updatedAt: videoToCreateData.updatedAt, | |
299 | views: videoToCreateData.views, | |
300 | likes: videoToCreateData.likes, | |
301 | dislikes: videoToCreateData.dislikes | |
302 | } | |
303 | ||
304 | const video = db.Video.build(videoData) | |
305 | ||
306 | return callback(null, t, tagInstances, video) | |
307 | }, | |
308 | ||
309 | function generateThumbnail (t, tagInstances, video, callback) { | |
310 | db.Video.generateThumbnailFromData(video, videoToCreateData.thumbnailData, function (err) { | |
311 | if (err) { | |
312 | logger.error('Cannot generate thumbnail from data.', { error: err }) | |
313 | return callback(err) | |
314 | } | |
315 | ||
316 | return callback(err, t, tagInstances, video) | |
317 | }) | |
318 | }, | |
319 | ||
320 | function insertVideoIntoDB (t, tagInstances, video, callback) { | |
321 | const options = { | |
322 | transaction: t | |
323 | } | |
324 | ||
325 | video.save(options).asCallback(function (err, videoCreated) { | |
326 | return callback(err, t, tagInstances, videoCreated) | |
327 | }) | |
328 | }, | |
329 | ||
330 | function associateTagsToVideo (t, tagInstances, video, callback) { | |
331 | const options = { | |
332 | transaction: t | |
333 | } | |
334 | ||
335 | video.setTags(tagInstances, options).asCallback(function (err) { | |
336 | return callback(err, t) | |
337 | }) | |
338 | }, | |
339 | ||
340 | databaseUtils.commitTransaction | |
341 | ||
342 | ], function (err, t) { | |
343 | if (err) { | |
344 | // This is just a debug because we will retry the insert | |
345 | logger.debug('Cannot insert the remote video.', { error: err }) | |
346 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
347 | } | |
348 | ||
349 | logger.info('Remote video %s inserted.', videoToCreateData.name) | |
350 | return finalCallback(null) | |
351 | }) | |
352 | } | |
353 | ||
354 | // Handle retries on fail | |
355 | function updateRemoteVideoRetryWrapper (videoAttributesToUpdate, fromPod, finalCallback) { | |
356 | const options = { | |
357 | arguments: [ videoAttributesToUpdate, fromPod ], | |
358 | errorMessage: 'Cannot update the remote video with many retries' | |
359 | } | |
360 | ||
361 | databaseUtils.retryTransactionWrapper(updateRemoteVideo, options, finalCallback) | |
362 | } | |
363 | ||
364 | function updateRemoteVideo (videoAttributesToUpdate, fromPod, finalCallback) { | |
365 | logger.debug('Updating remote video "%s".', videoAttributesToUpdate.remoteId) | |
366 | ||
367 | waterfall([ | |
368 | ||
369 | databaseUtils.startSerializableTransaction, | |
370 | ||
371 | function findVideo (t, callback) { | |
372 | fetchRemoteVideo(fromPod.host, videoAttributesToUpdate.remoteId, function (err, videoInstance) { | |
373 | return callback(err, t, videoInstance) | |
374 | }) | |
375 | }, | |
376 | ||
377 | function findOrCreateTags (t, videoInstance, callback) { | |
378 | const tags = videoAttributesToUpdate.tags | |
379 | ||
380 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
381 | return callback(err, t, videoInstance, tagInstances) | |
382 | }) | |
383 | }, | |
384 | ||
385 | function updateVideoIntoDB (t, videoInstance, tagInstances, callback) { | |
386 | const options = { transaction: t } | |
387 | ||
388 | videoInstance.set('name', videoAttributesToUpdate.name) | |
389 | videoInstance.set('description', videoAttributesToUpdate.description) | |
390 | videoInstance.set('infoHash', videoAttributesToUpdate.infoHash) | |
391 | videoInstance.set('duration', videoAttributesToUpdate.duration) | |
392 | videoInstance.set('createdAt', videoAttributesToUpdate.createdAt) | |
393 | videoInstance.set('updatedAt', videoAttributesToUpdate.updatedAt) | |
394 | videoInstance.set('extname', videoAttributesToUpdate.extname) | |
395 | videoInstance.set('views', videoAttributesToUpdate.views) | |
396 | videoInstance.set('likes', videoAttributesToUpdate.likes) | |
397 | videoInstance.set('dislikes', videoAttributesToUpdate.dislikes) | |
398 | ||
399 | videoInstance.save(options).asCallback(function (err) { | |
400 | return callback(err, t, videoInstance, tagInstances) | |
401 | }) | |
402 | }, | |
403 | ||
404 | function associateTagsToVideo (t, videoInstance, tagInstances, callback) { | |
405 | const options = { transaction: t } | |
406 | ||
407 | videoInstance.setTags(tagInstances, options).asCallback(function (err) { | |
408 | return callback(err, t) | |
409 | }) | |
410 | }, | |
411 | ||
412 | databaseUtils.commitTransaction | |
413 | ||
414 | ], function (err, t) { | |
415 | if (err) { | |
416 | // This is just a debug because we will retry the insert | |
417 | logger.debug('Cannot update the remote video.', { error: err }) | |
418 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
419 | } | |
420 | ||
421 | logger.info('Remote video %s updated', videoAttributesToUpdate.name) | |
422 | return finalCallback(null) | |
423 | }) | |
424 | } | |
425 | ||
426 | function removeRemoteVideo (videoToRemoveData, fromPod, callback) { | |
427 | // We need the instance because we have to remove some other stuffs (thumbnail etc) | |
428 | fetchRemoteVideo(fromPod.host, videoToRemoveData.remoteId, function (err, video) { | |
429 | // Do not return the error, continue the process | |
430 | if (err) return callback(null) | |
431 | ||
432 | logger.debug('Removing remote video %s.', video.remoteId) | |
433 | video.destroy().asCallback(function (err) { | |
434 | // Do not return the error, continue the process | |
435 | if (err) { | |
436 | logger.error('Cannot remove remote video with id %s.', videoToRemoveData.remoteId, { error: err }) | |
437 | } | |
438 | ||
439 | return callback(null) | |
440 | }) | |
441 | }) | |
442 | } | |
443 | ||
444 | function reportAbuseRemoteVideo (reportData, fromPod, callback) { | |
445 | fetchOwnedVideo(reportData.videoRemoteId, function (err, video) { | |
446 | if (err || !video) { | |
447 | if (!err) err = new Error('video not found') | |
448 | ||
449 | logger.error('Cannot load video from id.', { error: err, id: reportData.videoRemoteId }) | |
450 | // Do not return the error, continue the process | |
451 | return callback(null) | |
452 | } | |
453 | ||
454 | logger.debug('Reporting remote abuse for video %s.', video.id) | |
455 | ||
456 | const videoAbuseData = { | |
457 | reporterUsername: reportData.reporterUsername, | |
458 | reason: reportData.reportReason, | |
459 | reporterPodId: fromPod.id, | |
460 | videoId: video.id | |
461 | } | |
462 | ||
463 | db.VideoAbuse.create(videoAbuseData).asCallback(function (err) { | |
464 | if (err) { | |
465 | logger.error('Cannot create remote abuse video.', { error: err }) | |
466 | } | |
467 | ||
468 | return callback(null) | |
469 | }) | |
470 | }) | |
471 | } | |
472 | ||
473 | function fetchOwnedVideo (id, callback) { | |
474 | db.Video.load(id, function (err, video) { | |
475 | if (err || !video) { | |
476 | if (!err) err = new Error('video not found') | |
477 | ||
478 | logger.error('Cannot load owned video from id.', { error: err, id }) | |
479 | return callback(err) | |
480 | } | |
481 | ||
482 | return callback(null, video) | |
483 | }) | |
484 | } | |
485 | ||
486 | function fetchRemoteVideo (podHost, remoteId, callback) { | |
487 | db.Video.loadByHostAndRemoteId(podHost, remoteId, function (err, video) { | |
488 | if (err || !video) { | |
489 | if (!err) err = new Error('video not found') | |
490 | ||
491 | logger.error('Cannot load video from host and remote id.', { error: err, podHost, remoteId }) | |
492 | return callback(err) | |
493 | } | |
494 | ||
495 | return callback(null, video) | |
496 | }) | |
497 | } |