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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 middlewares = require('../../../middlewares') | |
9 | const secureMiddleware = middlewares.secure | |
10 | const videosValidators = middlewares.validators.remote.videos | |
11 | const signatureValidators = middlewares.validators.remote.signature | |
12 | const logger = require('../../../helpers/logger') | |
13 | ||
14 | const router = express.Router() | |
15 | ||
16 | router.post('/', | |
17 | signatureValidators.signature, | |
18 | secureMiddleware.checkSignature, | |
19 | videosValidators.remoteVideos, | |
20 | remoteVideos | |
21 | ) | |
22 | ||
23 | // --------------------------------------------------------------------------- | |
24 | ||
25 | module.exports = router | |
26 | ||
27 | // --------------------------------------------------------------------------- | |
28 | ||
29 | function remoteVideos (req, res, next) { | |
30 | const requests = req.body.data | |
31 | const fromPod = res.locals.secure.pod | |
32 | ||
33 | // We need to process in the same order to keep consistency | |
34 | // TODO: optimization | |
35 | eachSeries(requests, function (request, callbackEach) { | |
36 | const data = request.data | |
37 | ||
38 | switch (request.type) { | |
39 | case 'add': | |
40 | addRemoteVideo(data, fromPod, callbackEach) | |
41 | break | |
42 | ||
43 | case 'update': | |
44 | updateRemoteVideo(data, fromPod, callbackEach) | |
45 | break | |
46 | ||
47 | case 'remove': | |
48 | removeRemoteVideo(data, fromPod, callbackEach) | |
49 | break | |
50 | ||
51 | case 'report-abuse': | |
52 | reportAbuseRemoteVideo(data, fromPod, callbackEach) | |
53 | break | |
54 | ||
55 | default: | |
56 | logger.error('Unkown remote request type %s.', request.type) | |
57 | } | |
58 | }, function (err) { | |
59 | if (err) logger.error('Error managing remote videos.', { error: err }) | |
60 | }) | |
61 | ||
62 | // We don't need to keep the other pod waiting | |
63 | return res.type('json').status(204).end() | |
64 | } | |
65 | ||
66 | function addRemoteVideo (videoToCreateData, fromPod, finalCallback) { | |
67 | logger.debug('Adding remote video "%s".', videoToCreateData.name) | |
68 | ||
69 | waterfall([ | |
70 | ||
71 | function startTransaction (callback) { | |
72 | db.sequelize.transaction().asCallback(function (err, t) { | |
73 | return callback(err, t) | |
74 | }) | |
75 | }, | |
76 | ||
77 | function findOrCreateAuthor (t, callback) { | |
78 | const name = videoToCreateData.author | |
79 | const podId = fromPod.id | |
80 | // This author is from another pod so we do not associate a user | |
81 | const userId = null | |
82 | ||
83 | db.Author.findOrCreateAuthor(name, podId, userId, t, function (err, authorInstance) { | |
84 | return callback(err, t, authorInstance) | |
85 | }) | |
86 | }, | |
87 | ||
88 | function findOrCreateTags (t, author, callback) { | |
89 | const tags = videoToCreateData.tags | |
90 | ||
91 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
92 | return callback(err, t, author, tagInstances) | |
93 | }) | |
94 | }, | |
95 | ||
96 | function createVideoObject (t, author, tagInstances, callback) { | |
97 | const videoData = { | |
98 | name: videoToCreateData.name, | |
99 | remoteId: videoToCreateData.remoteId, | |
100 | extname: videoToCreateData.extname, | |
101 | infoHash: videoToCreateData.infoHash, | |
102 | description: videoToCreateData.description, | |
103 | authorId: author.id, | |
104 | duration: videoToCreateData.duration, | |
105 | createdAt: videoToCreateData.createdAt, | |
106 | updatedAt: videoToCreateData.updatedAt | |
107 | } | |
108 | ||
109 | const video = db.Video.build(videoData) | |
110 | ||
111 | return callback(null, t, tagInstances, video) | |
112 | }, | |
113 | ||
114 | function generateThumbnail (t, tagInstances, video, callback) { | |
115 | db.Video.generateThumbnailFromData(video, videoToCreateData.thumbnailData, function (err) { | |
116 | if (err) { | |
117 | logger.error('Cannot generate thumbnail from data.', { error: err }) | |
118 | return callback(err) | |
119 | } | |
120 | ||
121 | return callback(err, t, tagInstances, video) | |
122 | }) | |
123 | }, | |
124 | ||
125 | function insertVideoIntoDB (t, tagInstances, video, callback) { | |
126 | const options = { | |
127 | transaction: t | |
128 | } | |
129 | ||
130 | video.save(options).asCallback(function (err, videoCreated) { | |
131 | return callback(err, t, tagInstances, videoCreated) | |
132 | }) | |
133 | }, | |
134 | ||
135 | function associateTagsToVideo (t, tagInstances, video, callback) { | |
136 | const options = { transaction: t } | |
137 | ||
138 | video.setTags(tagInstances, options).asCallback(function (err) { | |
139 | return callback(err, t) | |
140 | }) | |
141 | } | |
142 | ||
143 | ], function (err, t) { | |
144 | if (err) { | |
145 | logger.error('Cannot insert the remote video.') | |
146 | ||
147 | // Abort transaction? | |
148 | if (t) t.rollback() | |
149 | ||
150 | return finalCallback(err) | |
151 | } | |
152 | ||
153 | // Commit transaction | |
154 | t.commit() | |
155 | ||
156 | return finalCallback() | |
157 | }) | |
158 | } | |
159 | ||
160 | function updateRemoteVideo (videoAttributesToUpdate, fromPod, finalCallback) { | |
161 | logger.debug('Updating remote video "%s".', videoAttributesToUpdate.name) | |
162 | ||
163 | waterfall([ | |
164 | ||
165 | function startTransaction (callback) { | |
166 | db.sequelize.transaction().asCallback(function (err, t) { | |
167 | return callback(err, t) | |
168 | }) | |
169 | }, | |
170 | ||
171 | function findVideo (t, callback) { | |
172 | fetchVideo(fromPod.host, videoAttributesToUpdate.remoteId, function (err, videoInstance) { | |
173 | return callback(err, t, videoInstance) | |
174 | }) | |
175 | }, | |
176 | ||
177 | function findOrCreateTags (t, videoInstance, callback) { | |
178 | const tags = videoAttributesToUpdate.tags | |
179 | ||
180 | db.Tag.findOrCreateTags(tags, t, function (err, tagInstances) { | |
181 | return callback(err, t, videoInstance, tagInstances) | |
182 | }) | |
183 | }, | |
184 | ||
185 | function updateVideoIntoDB (t, videoInstance, tagInstances, callback) { | |
186 | const options = { transaction: t } | |
187 | ||
188 | videoInstance.set('name', videoAttributesToUpdate.name) | |
189 | videoInstance.set('description', videoAttributesToUpdate.description) | |
190 | videoInstance.set('infoHash', videoAttributesToUpdate.infoHash) | |
191 | videoInstance.set('duration', videoAttributesToUpdate.duration) | |
192 | videoInstance.set('createdAt', videoAttributesToUpdate.createdAt) | |
193 | videoInstance.set('updatedAt', videoAttributesToUpdate.updatedAt) | |
194 | videoInstance.set('extname', videoAttributesToUpdate.extname) | |
195 | ||
196 | videoInstance.save(options).asCallback(function (err) { | |
197 | return callback(err, t, videoInstance, tagInstances) | |
198 | }) | |
199 | }, | |
200 | ||
201 | function associateTagsToVideo (t, videoInstance, tagInstances, callback) { | |
202 | const options = { transaction: t } | |
203 | ||
204 | videoInstance.setTags(tagInstances, options).asCallback(function (err) { | |
205 | return callback(err, t) | |
206 | }) | |
207 | } | |
208 | ||
209 | ], function (err, t) { | |
210 | if (err) { | |
211 | logger.error('Cannot update the remote video.') | |
212 | ||
213 | // Abort transaction? | |
214 | if (t) t.rollback() | |
215 | ||
216 | return finalCallback(err) | |
217 | } | |
218 | ||
219 | // Commit transaction | |
220 | t.commit() | |
221 | ||
222 | return finalCallback() | |
223 | }) | |
224 | } | |
225 | ||
226 | function removeRemoteVideo (videoToRemoveData, fromPod, callback) { | |
227 | // We need the instance because we have to remove some other stuffs (thumbnail etc) | |
228 | fetchVideo(fromPod.host, videoToRemoveData.remoteId, function (err, video) { | |
229 | if (err) return callback(err) | |
230 | ||
231 | logger.debug('Removing remote video %s.', video.remoteId) | |
232 | video.destroy().asCallback(callback) | |
233 | }) | |
234 | } | |
235 | ||
236 | function reportAbuseRemoteVideo (reportData, fromPod, callback) { | |
237 | db.Video.load(reportData.videoRemoteId, function (err, video) { | |
238 | if (err || !video) { | |
239 | if (!err) err = new Error('video not found') | |
240 | ||
241 | logger.error('Cannot load video from host and remote id.', { error: err }) | |
242 | return callback(err) | |
243 | } | |
244 | ||
245 | logger.debug('Reporting remote abuse for video %s.', video.id) | |
246 | ||
247 | const videoAbuseData = { | |
248 | reporterUsername: reportData.reporterUsername, | |
249 | reason: reportData.reportReason, | |
250 | reporterPodId: fromPod.id, | |
251 | videoId: video.id | |
252 | } | |
253 | ||
254 | db.VideoAbuse.create(videoAbuseData).asCallback(callback) | |
255 | }) | |
256 | } | |
257 | ||
258 | function fetchVideo (podHost, remoteId, callback) { | |
259 | db.Video.loadByHostAndRemoteId(podHost, remoteId, function (err, video) { | |
260 | if (err || !video) { | |
261 | if (!err) err = new Error('video not found') | |
262 | ||
263 | logger.error('Cannot load video from host and remote id.', { error: err }) | |
264 | return callback(err) | |
265 | } | |
266 | ||
267 | return callback(null, video) | |
268 | }) | |
269 | } |