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1 | 'use strict' | |
2 | ||
3 | const express = require('express') | |
4 | const fs = require('fs') | |
5 | const multer = require('multer') | |
6 | const path = require('path') | |
7 | const waterfall = require('async/waterfall') | |
8 | ||
9 | const constants = require('../../initializers/constants') | |
10 | const db = require('../../initializers/database') | |
11 | const logger = require('../../helpers/logger') | |
12 | const friends = require('../../lib/friends') | |
13 | const middlewares = require('../../middlewares') | |
14 | const admin = middlewares.admin | |
15 | const oAuth = middlewares.oauth | |
16 | const pagination = middlewares.pagination | |
17 | const validators = middlewares.validators | |
18 | const validatorsPagination = validators.pagination | |
19 | const validatorsSort = validators.sort | |
20 | const validatorsVideos = validators.videos | |
21 | const search = middlewares.search | |
22 | const sort = middlewares.sort | |
23 | const databaseUtils = require('../../helpers/database-utils') | |
24 | const utils = require('../../helpers/utils') | |
25 | ||
26 | const router = express.Router() | |
27 | ||
28 | // multer configuration | |
29 | const storage = multer.diskStorage({ | |
30 | destination: function (req, file, cb) { | |
31 | cb(null, constants.CONFIG.STORAGE.VIDEOS_DIR) | |
32 | }, | |
33 | ||
34 | filename: function (req, file, cb) { | |
35 | let extension = '' | |
36 | if (file.mimetype === 'video/webm') extension = 'webm' | |
37 | else if (file.mimetype === 'video/mp4') extension = 'mp4' | |
38 | else if (file.mimetype === 'video/ogg') extension = 'ogv' | |
39 | utils.generateRandomString(16, function (err, randomString) { | |
40 | const fieldname = err ? undefined : randomString | |
41 | cb(null, fieldname + '.' + extension) | |
42 | }) | |
43 | } | |
44 | }) | |
45 | ||
46 | const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }]) | |
47 | ||
48 | router.get('/abuse', | |
49 | oAuth.authenticate, | |
50 | admin.ensureIsAdmin, | |
51 | validatorsPagination.pagination, | |
52 | validatorsSort.videoAbusesSort, | |
53 | sort.setVideoAbusesSort, | |
54 | pagination.setPagination, | |
55 | listVideoAbuses | |
56 | ) | |
57 | router.post('/:id/abuse', | |
58 | oAuth.authenticate, | |
59 | validatorsVideos.videoAbuseReport, | |
60 | reportVideoAbuseRetryWrapper | |
61 | ) | |
62 | ||
63 | router.get('/', | |
64 | validatorsPagination.pagination, | |
65 | validatorsSort.videosSort, | |
66 | sort.setVideosSort, | |
67 | pagination.setPagination, | |
68 | listVideos | |
69 | ) | |
70 | router.put('/:id', | |
71 | oAuth.authenticate, | |
72 | reqFiles, | |
73 | validatorsVideos.videosUpdate, | |
74 | updateVideoRetryWrapper | |
75 | ) | |
76 | router.post('/', | |
77 | oAuth.authenticate, | |
78 | reqFiles, | |
79 | validatorsVideos.videosAdd, | |
80 | addVideoRetryWrapper | |
81 | ) | |
82 | router.get('/:id', | |
83 | validatorsVideos.videosGet, | |
84 | getVideo | |
85 | ) | |
86 | router.delete('/:id', | |
87 | oAuth.authenticate, | |
88 | validatorsVideos.videosRemove, | |
89 | removeVideo | |
90 | ) | |
91 | router.get('/search/:value', | |
92 | validatorsVideos.videosSearch, | |
93 | validatorsPagination.pagination, | |
94 | validatorsSort.videosSort, | |
95 | sort.setVideosSort, | |
96 | pagination.setPagination, | |
97 | search.setVideosSearch, | |
98 | searchVideos | |
99 | ) | |
100 | ||
101 | // --------------------------------------------------------------------------- | |
102 | ||
103 | module.exports = router | |
104 | ||
105 | // --------------------------------------------------------------------------- | |
106 | ||
107 | // Wrapper to video add that retry the function if there is a database error | |
108 | // We need this because we run the transaction in SERIALIZABLE isolation that can fail | |
109 | function addVideoRetryWrapper (req, res, next) { | |
110 | const options = { | |
111 | arguments: [ req, res, req.files.videofile[0] ], | |
112 | errorMessage: 'Cannot insert the video with many retries.' | |
113 | } | |
114 | ||
115 | databaseUtils.retryTransactionWrapper(addVideo, options, function (err) { | |
116 | if (err) return next(err) | |
117 | ||
118 | // TODO : include Location of the new video -> 201 | |
119 | return res.type('json').status(204).end() | |
120 | }) | |
121 | } | |
122 | ||
123 | function addVideo (req, res, videoFile, finalCallback) { | |
124 | const videoInfos = req.body | |
125 | ||
126 | waterfall([ | |
127 | ||
128 | databaseUtils.startSerializableTransaction, | |
129 | ||
130 | function findOrCreateAuthor (t, callback) { | |
131 | const user = res.locals.oauth.token.User | |
132 | ||
133 | const name = user.username | |
134 | // null because it is OUR pod | |
135 | const podId = null | |
136 | const userId = user.id | |
137 | ||
138 | db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) { | |
139 | return callback(err, t, authorInstance) | |
140 | }) | |
141 | }, | |
142 | ||
143 | function findOrCreateTags (t, author, callback) { | |
144 | const tags = videoInfos.tags | |
145 | ||
146 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
147 | return callback(err, t, author, tagInstances) | |
148 | }) | |
149 | }, | |
150 | ||
151 | function createVideoObject (t, author, tagInstances, callback) { | |
152 | const videoData = { | |
153 | name: videoInfos.name, | |
154 | remoteId: null, | |
155 | extname: path.extname(videoFile.filename), | |
156 | description: videoInfos.description, | |
157 | duration: videoFile.duration, | |
158 | authorId: author.id | |
159 | } | |
160 | ||
161 | const video = db.Video.build(videoData) | |
162 | ||
163 | return callback(null, t, author, tagInstances, video) | |
164 | }, | |
165 | ||
166 | // Set the videoname the same as the id | |
167 | function renameVideoFile (t, author, tagInstances, video, callback) { | |
168 | const videoDir = constants.CONFIG.STORAGE.VIDEOS_DIR | |
169 | const source = path.join(videoDir, videoFile.filename) | |
170 | const destination = path.join(videoDir, video.getVideoFilename()) | |
171 | ||
172 | fs.rename(source, destination, function (err) { | |
173 | if (err) return callback(err) | |
174 | ||
175 | // This is important in case if there is another attempt | |
176 | videoFile.filename = video.getVideoFilename() | |
177 | return callback(null, t, author, tagInstances, video) | |
178 | }) | |
179 | }, | |
180 | ||
181 | function insertVideoIntoDB (t, author, tagInstances, video, callback) { | |
182 | const options = { transaction: t } | |
183 | ||
184 | // Add tags association | |
185 | video.save(options).asCallback(function (err, videoCreated) { | |
186 | if (err) return callback(err) | |
187 | ||
188 | // Do not forget to add Author informations to the created video | |
189 | videoCreated.Author = author | |
190 | ||
191 | return callback(err, t, tagInstances, videoCreated) | |
192 | }) | |
193 | }, | |
194 | ||
195 | function associateTagsToVideo (t, tagInstances, video, callback) { | |
196 | const options = { transaction: t } | |
197 | ||
198 | video.setTags(tagInstances, options).asCallback(function (err) { | |
199 | video.Tags = tagInstances | |
200 | ||
201 | return callback(err, t, video) | |
202 | }) | |
203 | }, | |
204 | ||
205 | function sendToFriends (t, video, callback) { | |
206 | video.toAddRemoteJSON(function (err, remoteVideo) { | |
207 | if (err) return callback(err) | |
208 | ||
209 | // Now we'll add the video's meta data to our friends | |
210 | friends.addVideoToFriends(remoteVideo, t, function (err) { | |
211 | return callback(err, t) | |
212 | }) | |
213 | }) | |
214 | }, | |
215 | ||
216 | databaseUtils.commitTransaction | |
217 | ||
218 | ], function andFinally (err, t) { | |
219 | if (err) { | |
220 | // This is just a debug because we will retry the insert | |
221 | logger.debug('Cannot insert the video.', { error: err }) | |
222 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
223 | } | |
224 | ||
225 | logger.info('Video with name %s created.', videoInfos.name) | |
226 | return finalCallback(null) | |
227 | }) | |
228 | } | |
229 | ||
230 | function updateVideoRetryWrapper (req, res, next) { | |
231 | const options = { | |
232 | arguments: [ req, res ], | |
233 | errorMessage: 'Cannot update the video with many retries.' | |
234 | } | |
235 | ||
236 | databaseUtils.retryTransactionWrapper(updateVideo, options, function (err) { | |
237 | if (err) return next(err) | |
238 | ||
239 | // TODO : include Location of the new video -> 201 | |
240 | return res.type('json').status(204).end() | |
241 | }) | |
242 | } | |
243 | ||
244 | function updateVideo (req, res, finalCallback) { | |
245 | const videoInstance = res.locals.video | |
246 | const videoFieldsSave = videoInstance.toJSON() | |
247 | const videoInfosToUpdate = req.body | |
248 | ||
249 | waterfall([ | |
250 | ||
251 | databaseUtils.startSerializableTransaction, | |
252 | ||
253 | function findOrCreateTags (t, callback) { | |
254 | if (videoInfosToUpdate.tags) { | |
255 | db.Tag.findOrCreateTags(videoInfosToUpdate.tags, t, function (err, tagInstances) { | |
256 | return callback(err, t, tagInstances) | |
257 | }) | |
258 | } else { | |
259 | return callback(null, t, null) | |
260 | } | |
261 | }, | |
262 | ||
263 | function updateVideoIntoDB (t, tagInstances, callback) { | |
264 | const options = { | |
265 | transaction: t | |
266 | } | |
267 | ||
268 | if (videoInfosToUpdate.name) videoInstance.set('name', videoInfosToUpdate.name) | |
269 | if (videoInfosToUpdate.description) videoInstance.set('description', videoInfosToUpdate.description) | |
270 | ||
271 | videoInstance.save(options).asCallback(function (err) { | |
272 | return callback(err, t, tagInstances) | |
273 | }) | |
274 | }, | |
275 | ||
276 | function associateTagsToVideo (t, tagInstances, callback) { | |
277 | if (tagInstances) { | |
278 | const options = { transaction: t } | |
279 | ||
280 | videoInstance.setTags(tagInstances, options).asCallback(function (err) { | |
281 | videoInstance.Tags = tagInstances | |
282 | ||
283 | return callback(err, t) | |
284 | }) | |
285 | } else { | |
286 | return callback(null, t) | |
287 | } | |
288 | }, | |
289 | ||
290 | function sendToFriends (t, callback) { | |
291 | const json = videoInstance.toUpdateRemoteJSON() | |
292 | ||
293 | // Now we'll update the video's meta data to our friends | |
294 | friends.updateVideoToFriends(json, t, function (err) { | |
295 | return callback(err, t) | |
296 | }) | |
297 | }, | |
298 | ||
299 | databaseUtils.commitTransaction | |
300 | ||
301 | ], function andFinally (err, t) { | |
302 | if (err) { | |
303 | logger.debug('Cannot update the video.', { error: err }) | |
304 | ||
305 | // Force fields we want to update | |
306 | // If the transaction is retried, sequelize will think the object has not changed | |
307 | // So it will skip the SQL request, even if the last one was ROLLBACKed! | |
308 | Object.keys(videoFieldsSave).forEach(function (key) { | |
309 | const value = videoFieldsSave[key] | |
310 | videoInstance.set(key, value) | |
311 | }) | |
312 | ||
313 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
314 | } | |
315 | ||
316 | logger.info('Video with name %s updated.', videoInfosToUpdate.name) | |
317 | return finalCallback(null) | |
318 | }) | |
319 | } | |
320 | ||
321 | function getVideo (req, res, next) { | |
322 | const videoInstance = res.locals.video | |
323 | ||
324 | if (videoInstance.isOwned()) { | |
325 | // The increment is done directly in the database, not using the instance value | |
326 | videoInstance.increment('views').asCallback(function (err) { | |
327 | if (err) { | |
328 | logger.error('Cannot add view to video %d.', videoInstance.id) | |
329 | return | |
330 | } | |
331 | ||
332 | // FIXME: make a real view system | |
333 | // For example, only add a view when a user watch a video during 30s etc | |
334 | friends.quickAndDirtyUpdateVideoToFriends(videoInstance.id, constants.REQUEST_VIDEO_QADU_TYPES.VIEWS) | |
335 | }) | |
336 | } else { | |
337 | // Just send the event to our friends | |
338 | friends.addEventToRemoteVideo(videoInstance.id, constants.REQUEST_VIDEO_EVENT_TYPES.VIEWS) | |
339 | } | |
340 | ||
341 | // Do not wait the view system | |
342 | res.json(videoInstance.toFormatedJSON()) | |
343 | } | |
344 | ||
345 | function listVideos (req, res, next) { | |
346 | db.Video.listForApi(req.query.start, req.query.count, req.query.sort, function (err, videosList, videosTotal) { | |
347 | if (err) return next(err) | |
348 | ||
349 | res.json(utils.getFormatedObjects(videosList, videosTotal)) | |
350 | }) | |
351 | } | |
352 | ||
353 | function removeVideo (req, res, next) { | |
354 | const videoInstance = res.locals.video | |
355 | ||
356 | videoInstance.destroy().asCallback(function (err) { | |
357 | if (err) { | |
358 | logger.error('Errors when removed the video.', { error: err }) | |
359 | return next(err) | |
360 | } | |
361 | ||
362 | return res.type('json').status(204).end() | |
363 | }) | |
364 | } | |
365 | ||
366 | function searchVideos (req, res, next) { | |
367 | db.Video.searchAndPopulateAuthorAndPodAndTags( | |
368 | req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort, | |
369 | function (err, videosList, videosTotal) { | |
370 | if (err) return next(err) | |
371 | ||
372 | res.json(utils.getFormatedObjects(videosList, videosTotal)) | |
373 | } | |
374 | ) | |
375 | } | |
376 | ||
377 | function listVideoAbuses (req, res, next) { | |
378 | db.VideoAbuse.listForApi(req.query.start, req.query.count, req.query.sort, function (err, abusesList, abusesTotal) { | |
379 | if (err) return next(err) | |
380 | ||
381 | res.json(utils.getFormatedObjects(abusesList, abusesTotal)) | |
382 | }) | |
383 | } | |
384 | ||
385 | function reportVideoAbuseRetryWrapper (req, res, next) { | |
386 | const options = { | |
387 | arguments: [ req, res ], | |
388 | errorMessage: 'Cannot report abuse to the video with many retries.' | |
389 | } | |
390 | ||
391 | databaseUtils.retryTransactionWrapper(reportVideoAbuse, options, function (err) { | |
392 | if (err) return next(err) | |
393 | ||
394 | return res.type('json').status(204).end() | |
395 | }) | |
396 | } | |
397 | ||
398 | function reportVideoAbuse (req, res, finalCallback) { | |
399 | const videoInstance = res.locals.video | |
400 | const reporterUsername = res.locals.oauth.token.User.username | |
401 | ||
402 | const abuse = { | |
403 | reporterUsername, | |
404 | reason: req.body.reason, | |
405 | videoId: videoInstance.id, | |
406 | reporterPodId: null // This is our pod that reported this abuse | |
407 | } | |
408 | ||
409 | waterfall([ | |
410 | ||
411 | databaseUtils.startSerializableTransaction, | |
412 | ||
413 | function createAbuse (t, callback) { | |
414 | db.VideoAbuse.create(abuse).asCallback(function (err, abuse) { | |
415 | return callback(err, t, abuse) | |
416 | }) | |
417 | }, | |
418 | ||
419 | function sendToFriendsIfNeeded (t, abuse, callback) { | |
420 | // We send the information to the destination pod | |
421 | if (videoInstance.isOwned() === false) { | |
422 | const reportData = { | |
423 | reporterUsername, | |
424 | reportReason: abuse.reason, | |
425 | videoRemoteId: videoInstance.remoteId | |
426 | } | |
427 | ||
428 | friends.reportAbuseVideoToFriend(reportData, videoInstance) | |
429 | } | |
430 | ||
431 | return callback(null, t) | |
432 | }, | |
433 | ||
434 | databaseUtils.commitTransaction | |
435 | ||
436 | ], function andFinally (err, t) { | |
437 | if (err) { | |
438 | logger.debug('Cannot update the video.', { error: err }) | |
439 | return databaseUtils.rollbackTransaction(err, t, finalCallback) | |
440 | } | |
441 | ||
442 | logger.info('Abuse report for video %s created.', videoInstance.name) | |
443 | return finalCallback(null) | |
444 | }) | |
445 | } |