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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 utils = require('../../helpers/utils') | |
24 | ||
25 | const router = express.Router() | |
26 | ||
27 | // multer configuration | |
28 | const storage = multer.diskStorage({ | |
29 | destination: function (req, file, cb) { | |
30 | cb(null, constants.CONFIG.STORAGE.VIDEOS_DIR) | |
31 | }, | |
32 | ||
33 | filename: function (req, file, cb) { | |
34 | let extension = '' | |
35 | if (file.mimetype === 'video/webm') extension = 'webm' | |
36 | else if (file.mimetype === 'video/mp4') extension = 'mp4' | |
37 | else if (file.mimetype === 'video/ogg') extension = 'ogv' | |
38 | utils.generateRandomString(16, function (err, randomString) { | |
39 | const fieldname = err ? undefined : randomString | |
40 | cb(null, fieldname + '.' + extension) | |
41 | }) | |
42 | } | |
43 | }) | |
44 | ||
45 | const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }]) | |
46 | ||
47 | router.get('/abuse', | |
48 | oAuth.authenticate, | |
49 | admin.ensureIsAdmin, | |
50 | validatorsPagination.pagination, | |
51 | validatorsSort.videoAbusesSort, | |
52 | sort.setVideoAbusesSort, | |
53 | pagination.setPagination, | |
54 | listVideoAbuses | |
55 | ) | |
56 | router.post('/:id/abuse', | |
57 | oAuth.authenticate, | |
58 | validatorsVideos.videoAbuseReport, | |
59 | reportVideoAbuseRetryWrapper | |
60 | ) | |
61 | ||
62 | router.get('/', | |
63 | validatorsPagination.pagination, | |
64 | validatorsSort.videosSort, | |
65 | sort.setVideosSort, | |
66 | pagination.setPagination, | |
67 | listVideos | |
68 | ) | |
69 | router.put('/:id', | |
70 | oAuth.authenticate, | |
71 | reqFiles, | |
72 | validatorsVideos.videosUpdate, | |
73 | updateVideoRetryWrapper | |
74 | ) | |
75 | router.post('/', | |
76 | oAuth.authenticate, | |
77 | reqFiles, | |
78 | validatorsVideos.videosAdd, | |
79 | addVideoRetryWrapper | |
80 | ) | |
81 | router.get('/:id', | |
82 | validatorsVideos.videosGet, | |
83 | getVideo | |
84 | ) | |
85 | router.delete('/:id', | |
86 | oAuth.authenticate, | |
87 | validatorsVideos.videosRemove, | |
88 | removeVideo | |
89 | ) | |
90 | router.get('/search/:value', | |
91 | validatorsVideos.videosSearch, | |
92 | validatorsPagination.pagination, | |
93 | validatorsSort.videosSort, | |
94 | sort.setVideosSort, | |
95 | pagination.setPagination, | |
96 | search.setVideosSearch, | |
97 | searchVideos | |
98 | ) | |
99 | ||
100 | // --------------------------------------------------------------------------- | |
101 | ||
102 | module.exports = router | |
103 | ||
104 | // --------------------------------------------------------------------------- | |
105 | ||
106 | // Wrapper to video add that retry the function if there is a database error | |
107 | // We need this because we run the transaction in SERIALIZABLE isolation that can fail | |
108 | function addVideoRetryWrapper (req, res, next) { | |
109 | utils.transactionRetryer( | |
110 | function (callback) { | |
111 | return addVideo(req, res, req.files.videofile[0], callback) | |
112 | }, | |
113 | function (err) { | |
114 | if (err) { | |
115 | logger.error('Cannot insert the video with many retries.', { error: err }) | |
116 | return next(err) | |
117 | } | |
118 | ||
119 | // TODO : include Location of the new video -> 201 | |
120 | return res.type('json').status(204).end() | |
121 | } | |
122 | ) | |
123 | } | |
124 | ||
125 | function addVideo (req, res, videoFile, callback) { | |
126 | const videoInfos = req.body | |
127 | ||
128 | waterfall([ | |
129 | ||
130 | function startTransaction (callbackWaterfall) { | |
131 | db.sequelize.transaction({ isolationLevel: 'SERIALIZABLE' }).asCallback(function (err, t) { | |
132 | return callbackWaterfall(err, t) | |
133 | }) | |
134 | }, | |
135 | ||
136 | function findOrCreateAuthor (t, callbackWaterfall) { | |
137 | const user = res.locals.oauth.token.User | |
138 | ||
139 | const name = user.username | |
140 | // null because it is OUR pod | |
141 | const podId = null | |
142 | const userId = user.id | |
143 | ||
144 | db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) { | |
145 | return callbackWaterfall(err, t, authorInstance) | |
146 | }) | |
147 | }, | |
148 | ||
149 | function findOrCreateTags (t, author, callbackWaterfall) { | |
150 | const tags = videoInfos.tags | |
151 | ||
152 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
153 | return callbackWaterfall(err, t, author, tagInstances) | |
154 | }) | |
155 | }, | |
156 | ||
157 | function createVideoObject (t, author, tagInstances, callbackWaterfall) { | |
158 | const videoData = { | |
159 | name: videoInfos.name, | |
160 | remoteId: null, | |
161 | extname: path.extname(videoFile.filename), | |
162 | description: videoInfos.description, | |
163 | duration: videoFile.duration, | |
164 | authorId: author.id | |
165 | } | |
166 | ||
167 | const video = db.Video.build(videoData) | |
168 | ||
169 | return callbackWaterfall(null, t, author, tagInstances, video) | |
170 | }, | |
171 | ||
172 | // Set the videoname the same as the id | |
173 | function renameVideoFile (t, author, tagInstances, video, callbackWaterfall) { | |
174 | const videoDir = constants.CONFIG.STORAGE.VIDEOS_DIR | |
175 | const source = path.join(videoDir, videoFile.filename) | |
176 | const destination = path.join(videoDir, video.getVideoFilename()) | |
177 | ||
178 | fs.rename(source, destination, function (err) { | |
179 | if (err) return callbackWaterfall(err) | |
180 | ||
181 | // This is important in case if there is another attempt | |
182 | videoFile.filename = video.getVideoFilename() | |
183 | return callbackWaterfall(null, t, author, tagInstances, video) | |
184 | }) | |
185 | }, | |
186 | ||
187 | function insertVideoIntoDB (t, author, tagInstances, video, callbackWaterfall) { | |
188 | const options = { transaction: t } | |
189 | ||
190 | // Add tags association | |
191 | video.save(options).asCallback(function (err, videoCreated) { | |
192 | if (err) return callbackWaterfall(err) | |
193 | ||
194 | // Do not forget to add Author informations to the created video | |
195 | videoCreated.Author = author | |
196 | ||
197 | return callbackWaterfall(err, t, tagInstances, videoCreated) | |
198 | }) | |
199 | }, | |
200 | ||
201 | function associateTagsToVideo (t, tagInstances, video, callbackWaterfall) { | |
202 | const options = { transaction: t } | |
203 | ||
204 | video.setTags(tagInstances, options).asCallback(function (err) { | |
205 | video.Tags = tagInstances | |
206 | ||
207 | return callbackWaterfall(err, t, video) | |
208 | }) | |
209 | }, | |
210 | ||
211 | function sendToFriends (t, video, callbackWaterfall) { | |
212 | video.toAddRemoteJSON(function (err, remoteVideo) { | |
213 | if (err) return callbackWaterfall(err) | |
214 | ||
215 | // Now we'll add the video's meta data to our friends | |
216 | friends.addVideoToFriends(remoteVideo, t, function (err) { | |
217 | return callbackWaterfall(err, t) | |
218 | }) | |
219 | }) | |
220 | } | |
221 | ||
222 | ], function andFinally (err, t) { | |
223 | if (err) { | |
224 | // This is just a debug because we will retry the insert | |
225 | logger.debug('Cannot insert the video.', { error: err }) | |
226 | ||
227 | // Abort transaction? | |
228 | if (t) t.rollback() | |
229 | ||
230 | return callback(err) | |
231 | } | |
232 | ||
233 | // Commit transaction | |
234 | t.commit().asCallback(function (err) { | |
235 | if (err) return callback(err) | |
236 | ||
237 | logger.info('Video with name %s created.', videoInfos.name) | |
238 | return callback(null) | |
239 | }) | |
240 | }) | |
241 | } | |
242 | ||
243 | function updateVideoRetryWrapper (req, res, next) { | |
244 | utils.transactionRetryer( | |
245 | function (callback) { | |
246 | return updateVideo(req, res, callback) | |
247 | }, | |
248 | function (err) { | |
249 | if (err) { | |
250 | logger.error('Cannot update the video with many retries.', { error: err }) | |
251 | return next(err) | |
252 | } | |
253 | ||
254 | // TODO : include Location of the new video -> 201 | |
255 | return res.type('json').status(204).end() | |
256 | } | |
257 | ) | |
258 | } | |
259 | ||
260 | function updateVideo (req, res, finalCallback) { | |
261 | const videoInstance = res.locals.video | |
262 | const videoFieldsSave = videoInstance.toJSON() | |
263 | const videoInfosToUpdate = req.body | |
264 | ||
265 | waterfall([ | |
266 | ||
267 | function startTransaction (callback) { | |
268 | db.sequelize.transaction({ isolationLevel: 'SERIALIZABLE' }).asCallback(function (err, t) { | |
269 | return callback(err, t) | |
270 | }) | |
271 | }, | |
272 | ||
273 | function findOrCreateTags (t, callback) { | |
274 | if (videoInfosToUpdate.tags) { | |
275 | db.Tag.findOrCreateTags(videoInfosToUpdate.tags, t, function (err, tagInstances) { | |
276 | return callback(err, t, tagInstances) | |
277 | }) | |
278 | } else { | |
279 | return callback(null, t, null) | |
280 | } | |
281 | }, | |
282 | ||
283 | function updateVideoIntoDB (t, tagInstances, callback) { | |
284 | const options = { | |
285 | transaction: t | |
286 | } | |
287 | ||
288 | if (videoInfosToUpdate.name) videoInstance.set('name', videoInfosToUpdate.name) | |
289 | if (videoInfosToUpdate.description) videoInstance.set('description', videoInfosToUpdate.description) | |
290 | ||
291 | videoInstance.save(options).asCallback(function (err) { | |
292 | return callback(err, t, tagInstances) | |
293 | }) | |
294 | }, | |
295 | ||
296 | function associateTagsToVideo (t, tagInstances, callback) { | |
297 | if (tagInstances) { | |
298 | const options = { transaction: t } | |
299 | ||
300 | videoInstance.setTags(tagInstances, options).asCallback(function (err) { | |
301 | videoInstance.Tags = tagInstances | |
302 | ||
303 | return callback(err, t) | |
304 | }) | |
305 | } else { | |
306 | return callback(null, t) | |
307 | } | |
308 | }, | |
309 | ||
310 | function sendToFriends (t, callback) { | |
311 | const json = videoInstance.toUpdateRemoteJSON() | |
312 | ||
313 | // Now we'll update the video's meta data to our friends | |
314 | friends.updateVideoToFriends(json, t, function (err) { | |
315 | return callback(err, t) | |
316 | }) | |
317 | } | |
318 | ||
319 | ], function andFinally (err, t) { | |
320 | if (err) { | |
321 | logger.debug('Cannot update the video.', { error: err }) | |
322 | ||
323 | // Abort transaction? | |
324 | if (t) t.rollback() | |
325 | ||
326 | // Force fields we want to update | |
327 | // If the transaction is retried, sequelize will think the object has not changed | |
328 | // So it will skip the SQL request, even if the last one was ROLLBACKed! | |
329 | Object.keys(videoFieldsSave).forEach(function (key) { | |
330 | const value = videoFieldsSave[key] | |
331 | videoInstance.set(key, value) | |
332 | }) | |
333 | ||
334 | return finalCallback(err) | |
335 | } | |
336 | ||
337 | // Commit transaction | |
338 | t.commit().asCallback(function (err) { | |
339 | if (err) return finalCallback(err) | |
340 | ||
341 | logger.info('Video with name %s updated.', videoInfosToUpdate.name) | |
342 | return finalCallback(null) | |
343 | }) | |
344 | }) | |
345 | } | |
346 | ||
347 | function getVideo (req, res, next) { | |
348 | const videoInstance = res.locals.video | |
349 | res.json(videoInstance.toFormatedJSON()) | |
350 | } | |
351 | ||
352 | function listVideos (req, res, next) { | |
353 | db.Video.listForApi(req.query.start, req.query.count, req.query.sort, function (err, videosList, videosTotal) { | |
354 | if (err) return next(err) | |
355 | ||
356 | res.json(utils.getFormatedObjects(videosList, videosTotal)) | |
357 | }) | |
358 | } | |
359 | ||
360 | function removeVideo (req, res, next) { | |
361 | const videoInstance = res.locals.video | |
362 | ||
363 | videoInstance.destroy().asCallback(function (err) { | |
364 | if (err) { | |
365 | logger.error('Errors when removed the video.', { error: err }) | |
366 | return next(err) | |
367 | } | |
368 | ||
369 | return res.type('json').status(204).end() | |
370 | }) | |
371 | } | |
372 | ||
373 | function searchVideos (req, res, next) { | |
374 | db.Video.searchAndPopulateAuthorAndPodAndTags( | |
375 | req.params.value, req.query.field, req.query.start, req.query.count, req.query.sort, | |
376 | function (err, videosList, videosTotal) { | |
377 | if (err) return next(err) | |
378 | ||
379 | res.json(utils.getFormatedObjects(videosList, videosTotal)) | |
380 | } | |
381 | ) | |
382 | } | |
383 | ||
384 | function listVideoAbuses (req, res, next) { | |
385 | db.VideoAbuse.listForApi(req.query.start, req.query.count, req.query.sort, function (err, abusesList, abusesTotal) { | |
386 | if (err) return next(err) | |
387 | ||
388 | res.json(utils.getFormatedObjects(abusesList, abusesTotal)) | |
389 | }) | |
390 | } | |
391 | ||
392 | function reportVideoAbuseRetryWrapper (req, res, next) { | |
393 | utils.transactionRetryer( | |
394 | function (callback) { | |
395 | return reportVideoAbuse(req, res, callback) | |
396 | }, | |
397 | function (err) { | |
398 | if (err) { | |
399 | logger.error('Cannot report abuse to the video with many retries.', { error: err }) | |
400 | return next(err) | |
401 | } | |
402 | ||
403 | return res.type('json').status(204).end() | |
404 | } | |
405 | ) | |
406 | } | |
407 | ||
408 | function reportVideoAbuse (req, res, finalCallback) { | |
409 | const videoInstance = res.locals.video | |
410 | const reporterUsername = res.locals.oauth.token.User.username | |
411 | ||
412 | const abuse = { | |
413 | reporterUsername, | |
414 | reason: req.body.reason, | |
415 | videoId: videoInstance.id, | |
416 | reporterPodId: null // This is our pod that reported this abuse | |
417 | } | |
418 | ||
419 | waterfall([ | |
420 | ||
421 | function startTransaction (callback) { | |
422 | db.sequelize.transaction().asCallback(function (err, t) { | |
423 | return callback(err, t) | |
424 | }) | |
425 | }, | |
426 | ||
427 | function createAbuse (t, callback) { | |
428 | db.VideoAbuse.create(abuse).asCallback(function (err, abuse) { | |
429 | return callback(err, t, abuse) | |
430 | }) | |
431 | }, | |
432 | ||
433 | function sendToFriendsIfNeeded (t, abuse, callback) { | |
434 | // We send the information to the destination pod | |
435 | if (videoInstance.isOwned() === false) { | |
436 | const reportData = { | |
437 | reporterUsername, | |
438 | reportReason: abuse.reason, | |
439 | videoRemoteId: videoInstance.remoteId | |
440 | } | |
441 | ||
442 | friends.reportAbuseVideoToFriend(reportData, videoInstance) | |
443 | } | |
444 | ||
445 | return callback(null, t) | |
446 | } | |
447 | ||
448 | ], function andFinally (err, t) { | |
449 | if (err) { | |
450 | logger.debug('Cannot update the video.', { error: err }) | |
451 | ||
452 | // Abort transaction? | |
453 | if (t) t.rollback() | |
454 | ||
455 | return finalCallback(err) | |
456 | } | |
457 | ||
458 | // Commit transaction | |
459 | t.commit().asCallback(function (err) { | |
460 | if (err) return finalCallback(err) | |
461 | ||
462 | logger.info('Abuse report for video %s created.', videoInstance.name) | |
463 | return finalCallback(null) | |
464 | }) | |
465 | }) | |
466 | } | |
467 |