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9f10b292 C |
1 | 'use strict' |
2 | ||
1a42c9e2 C |
3 | const each = require('async/each') |
4 | const eachLimit = require('async/eachLimit') | |
5 | const eachSeries = require('async/eachSeries') | |
f0f5567b C |
6 | const fs = require('fs') |
7 | const request = require('request') | |
1a42c9e2 | 8 | const waterfall = require('async/waterfall') |
f0f5567b C |
9 | |
10 | const constants = require('../initializers/constants') | |
feb4bdfd | 11 | const db = require('../initializers/database') |
f0f5567b | 12 | const logger = require('../helpers/logger') |
f0f5567b | 13 | const requests = require('../helpers/requests') |
f0f5567b | 14 | |
a3ee6fa2 | 15 | const friends = { |
c4403b29 | 16 | addVideoToFriends, |
7b1f49de | 17 | updateVideoToFriends, |
55fa55a9 | 18 | reportAbuseVideoToFriend, |
c4403b29 C |
19 | hasFriends, |
20 | getMyCertificate, | |
21 | makeFriends, | |
22 | quitFriends, | |
23 | removeVideoToFriends, | |
24 | sendOwnedVideosToPod | |
9f10b292 C |
25 | } |
26 | ||
ed04d94f C |
27 | function addVideoToFriends (videoData, transaction, callback) { |
28 | const options = { | |
29 | type: 'add', | |
30 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
31 | data: videoData, | |
32 | transaction | |
33 | } | |
34 | createRequest(options, callback) | |
9f10b292 C |
35 | } |
36 | ||
ed04d94f C |
37 | function updateVideoToFriends (videoData, transaction, callback) { |
38 | const options = { | |
39 | type: 'update', | |
40 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
41 | data: videoData, | |
42 | transaction | |
43 | } | |
44 | createRequest(options, callback) | |
55fa55a9 C |
45 | } |
46 | ||
47 | function removeVideoToFriends (videoParams) { | |
ed04d94f C |
48 | const options = { |
49 | type: 'remove', | |
50 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
51 | data: videoParams | |
52 | } | |
53 | createRequest(options) | |
55fa55a9 C |
54 | } |
55 | ||
56 | function reportAbuseVideoToFriend (reportData, video) { | |
bd14d16a C |
57 | const options = { |
58 | type: 'report-abuse', | |
59 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
60 | data: reportData, | |
61 | toIds: [ video.Author.podId ] | |
62 | } | |
63 | createRequest(options) | |
7b1f49de C |
64 | } |
65 | ||
9f10b292 | 66 | function hasFriends (callback) { |
feb4bdfd | 67 | db.Pod.countAll(function (err, count) { |
9f10b292 C |
68 | if (err) return callback(err) |
69 | ||
bc503c2a C |
70 | const hasFriends = (count !== 0) |
71 | callback(null, hasFriends) | |
9f10b292 C |
72 | }) |
73 | } | |
74 | ||
cbe2f7c3 | 75 | function getMyCertificate (callback) { |
e861452f | 76 | fs.readFile(constants.CONFIG.STORAGE.CERT_DIR + 'peertube.pub', 'utf8', callback) |
cbe2f7c3 C |
77 | } |
78 | ||
49abbbbe | 79 | function makeFriends (hosts, callback) { |
bc503c2a | 80 | const podsScore = {} |
9f10b292 C |
81 | |
82 | logger.info('Make friends!') | |
cbe2f7c3 | 83 | getMyCertificate(function (err, cert) { |
9f10b292 C |
84 | if (err) { |
85 | logger.error('Cannot read public cert.') | |
86 | return callback(err) | |
87 | } | |
c173e565 | 88 | |
49abbbbe C |
89 | eachSeries(hosts, function (host, callbackEach) { |
90 | computeForeignPodsList(host, podsScore, callbackEach) | |
89d1d8ba | 91 | }, function (err) { |
c173e565 C |
92 | if (err) return callback(err) |
93 | ||
bc503c2a | 94 | logger.debug('Pods scores computed.', { podsScore: podsScore }) |
49abbbbe | 95 | const podsList = computeWinningPods(hosts, podsScore) |
bc503c2a | 96 | logger.debug('Pods that we keep.', { podsToKeep: podsList }) |
9f10b292 | 97 | |
bc503c2a | 98 | makeRequestsToWinningPods(cert, podsList, callback) |
c173e565 | 99 | }) |
9f10b292 | 100 | }) |
9f10b292 C |
101 | } |
102 | ||
103 | function quitFriends (callback) { | |
104 | // Stop pool requests | |
feb4bdfd | 105 | db.Request.deactivate() |
9f10b292 | 106 | |
1a42c9e2 | 107 | waterfall([ |
7920c273 C |
108 | function flushRequests (callbackAsync) { |
109 | db.Request.flush(callbackAsync) | |
110 | }, | |
111 | ||
e7ea2817 | 112 | function getPodsList (callbackAsync) { |
feb4bdfd | 113 | return db.Pod.list(callbackAsync) |
e7ea2817 C |
114 | }, |
115 | ||
116 | function announceIQuitMyFriends (pods, callbackAsync) { | |
528a9efa | 117 | const requestParams = { |
e7ea2817 C |
118 | method: 'POST', |
119 | path: '/api/' + constants.API_VERSION + '/pods/remove', | |
528a9efa | 120 | sign: true |
c173e565 C |
121 | } |
122 | ||
e7ea2817 | 123 | // Announce we quit them |
528a9efa C |
124 | // We don't care if the request fails |
125 | // The other pod will exclude us automatically after a while | |
1a42c9e2 | 126 | eachLimit(pods, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa C |
127 | requestParams.toPod = pod |
128 | requests.makeSecureRequest(requestParams, callbackEach) | |
129 | }, function (err) { | |
130 | if (err) { | |
131 | logger.error('Some errors while quitting friends.', { err: err }) | |
132 | // Don't stop the process | |
133 | } | |
134 | ||
80a6c9e7 | 135 | return callbackAsync(null, pods) |
e7ea2817 C |
136 | }) |
137 | }, | |
c173e565 | 138 | |
80a6c9e7 C |
139 | function removePodsFromDB (pods, callbackAsync) { |
140 | each(pods, function (pod, callbackEach) { | |
feb4bdfd | 141 | pod.destroy().asCallback(callbackEach) |
aaf61f38 | 142 | }, callbackAsync) |
e7ea2817 C |
143 | } |
144 | ], function (err) { | |
145 | // Don't forget to re activate the scheduler, even if there was an error | |
feb4bdfd | 146 | db.Request.activate() |
e7ea2817 C |
147 | |
148 | if (err) return callback(err) | |
149 | ||
150 | logger.info('Removed all remote videos.') | |
151 | return callback(null) | |
9f10b292 C |
152 | }) |
153 | } | |
c173e565 | 154 | |
528a9efa | 155 | function sendOwnedVideosToPod (podId) { |
7920c273 | 156 | db.Video.listOwnedAndPopulateAuthorAndTags(function (err, videosList) { |
528a9efa C |
157 | if (err) { |
158 | logger.error('Cannot get the list of videos we own.') | |
159 | return | |
160 | } | |
161 | ||
162 | videosList.forEach(function (video) { | |
7b1f49de | 163 | video.toAddRemoteJSON(function (err, remoteVideo) { |
528a9efa C |
164 | if (err) { |
165 | logger.error('Cannot convert video to remote.', { error: err }) | |
166 | // Don't break the process | |
167 | return | |
168 | } | |
169 | ||
bd14d16a C |
170 | const options = { |
171 | type: 'add', | |
172 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
173 | data: remoteVideo, | |
174 | toIds: [ podId ] | |
175 | } | |
176 | createRequest(options) | |
528a9efa C |
177 | }) |
178 | }) | |
179 | }) | |
9f10b292 | 180 | } |
c173e565 | 181 | |
9f10b292 | 182 | // --------------------------------------------------------------------------- |
c173e565 | 183 | |
a3ee6fa2 | 184 | module.exports = friends |
c173e565 | 185 | |
9f10b292 | 186 | // --------------------------------------------------------------------------- |
c173e565 | 187 | |
49abbbbe | 188 | function computeForeignPodsList (host, podsScore, callback) { |
55fa55a9 | 189 | getForeignPodsList(host, function (err, res) { |
89d1d8ba | 190 | if (err) return callback(err) |
528a9efa | 191 | |
55fa55a9 | 192 | const foreignPodsList = res.data |
528a9efa C |
193 | |
194 | // Let's give 1 point to the pod we ask the friends list | |
49abbbbe | 195 | foreignPodsList.push({ host }) |
89d1d8ba | 196 | |
bc503c2a | 197 | foreignPodsList.forEach(function (foreignPod) { |
49abbbbe | 198 | const foreignPodHost = foreignPod.host |
89d1d8ba | 199 | |
49abbbbe C |
200 | if (podsScore[foreignPodHost]) podsScore[foreignPodHost]++ |
201 | else podsScore[foreignPodHost] = 1 | |
89d1d8ba | 202 | }) |
cbe2f7c3 C |
203 | |
204 | callback() | |
89d1d8ba C |
205 | }) |
206 | } | |
207 | ||
49abbbbe | 208 | function computeWinningPods (hosts, podsScore) { |
89d1d8ba C |
209 | // Build the list of pods to add |
210 | // Only add a pod if it exists in more than a half base pods | |
bc503c2a | 211 | const podsList = [] |
49abbbbe C |
212 | const baseScore = hosts.length / 2 |
213 | Object.keys(podsScore).forEach(function (podHost) { | |
2c49ca42 | 214 | // If the pod is not me and with a good score we add it |
49abbbbe C |
215 | if (isMe(podHost) === false && podsScore[podHost] > baseScore) { |
216 | podsList.push({ host: podHost }) | |
2c49ca42 | 217 | } |
89d1d8ba | 218 | }) |
e7ea2817 | 219 | |
bc503c2a | 220 | return podsList |
89d1d8ba C |
221 | } |
222 | ||
49abbbbe | 223 | function getForeignPodsList (host, callback) { |
f0f5567b | 224 | const path = '/api/' + constants.API_VERSION + '/pods' |
c173e565 | 225 | |
49abbbbe | 226 | request.get(constants.REMOTE_SCHEME.HTTP + '://' + host + path, function (err, response, body) { |
9f10b292 | 227 | if (err) return callback(err) |
8425cb89 | 228 | |
39f87cb2 C |
229 | try { |
230 | const json = JSON.parse(body) | |
231 | return callback(null, json) | |
232 | } catch (err) { | |
233 | return callback(err) | |
234 | } | |
9f10b292 C |
235 | }) |
236 | } | |
89d1d8ba | 237 | |
bc503c2a | 238 | function makeRequestsToWinningPods (cert, podsList, callback) { |
89d1d8ba | 239 | // Stop pool requests |
feb4bdfd | 240 | db.Request.deactivate() |
89d1d8ba | 241 | // Flush pool requests |
feb4bdfd | 242 | db.Request.forceSend() |
89d1d8ba | 243 | |
1a42c9e2 | 244 | eachLimit(podsList, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa | 245 | const params = { |
49abbbbe | 246 | url: constants.REMOTE_SCHEME.HTTP + '://' + pod.host + '/api/' + constants.API_VERSION + '/pods/', |
528a9efa C |
247 | method: 'POST', |
248 | json: { | |
49abbbbe | 249 | host: constants.CONFIG.WEBSERVER.HOST, |
528a9efa C |
250 | publicKey: cert |
251 | } | |
89d1d8ba C |
252 | } |
253 | ||
528a9efa C |
254 | requests.makeRetryRequest(params, function (err, res, body) { |
255 | if (err) { | |
49abbbbe | 256 | logger.error('Error with adding %s pod.', pod.host, { error: err }) |
528a9efa C |
257 | // Don't break the process |
258 | return callbackEach() | |
259 | } | |
89d1d8ba | 260 | |
528a9efa | 261 | if (res.statusCode === 200) { |
feb4bdfd C |
262 | const podObj = db.Pod.build({ host: pod.host, publicKey: body.cert }) |
263 | podObj.save().asCallback(function (err, podCreated) { | |
a3ee6fa2 | 264 | if (err) { |
49abbbbe | 265 | logger.error('Cannot add friend %s pod.', pod.host, { error: err }) |
a3ee6fa2 C |
266 | return callbackEach() |
267 | } | |
89d1d8ba | 268 | |
528a9efa | 269 | // Add our videos to the request scheduler |
7920c273 | 270 | sendOwnedVideosToPod(podCreated.id) |
89d1d8ba | 271 | |
528a9efa C |
272 | return callbackEach() |
273 | }) | |
274 | } else { | |
49abbbbe | 275 | logger.error('Status not 200 for %s pod.', pod.host) |
528a9efa | 276 | return callbackEach() |
89d1d8ba | 277 | } |
528a9efa C |
278 | }) |
279 | }, function endRequests () { | |
280 | // Final callback, we've ended all the requests | |
281 | // Now we made new friends, we can re activate the pool of requests | |
feb4bdfd | 282 | db.Request.activate() |
528a9efa C |
283 | |
284 | logger.debug('makeRequestsToWinningPods finished.') | |
285 | return callback() | |
89d1d8ba C |
286 | }) |
287 | } | |
00057e85 | 288 | |
55fa55a9 | 289 | // Wrapper that populate "toIds" argument with all our friends if it is not specified |
ed04d94f C |
290 | // { type, endpoint, data, toIds, transaction } |
291 | function createRequest (options, callback) { | |
292 | if (!callback) callback = function () {} | |
293 | if (options.toIds) return _createRequest(options, callback) | |
feb4bdfd | 294 | |
55fa55a9 | 295 | // If the "toIds" pods is not specified, we send the request to all our friends |
ed04d94f | 296 | db.Pod.listAllIds(options.transaction, function (err, podIds) { |
feb4bdfd C |
297 | if (err) { |
298 | logger.error('Cannot get pod ids', { error: err }) | |
299 | return | |
300 | } | |
301 | ||
ed04d94f C |
302 | const newOptions = Object.assign(options, { toIds: podIds }) |
303 | return _createRequest(newOptions, callback) | |
feb4bdfd C |
304 | }) |
305 | } | |
306 | ||
ed04d94f C |
307 | // { type, endpoint, data, toIds, transaction } |
308 | function _createRequest (options, callback) { | |
309 | const type = options.type | |
310 | const endpoint = options.endpoint | |
311 | const data = options.data | |
312 | const toIds = options.toIds | |
313 | const transaction = options.transaction | |
314 | ||
feb4bdfd C |
315 | const pods = [] |
316 | ||
317 | // If there are no destination pods abort | |
ed04d94f | 318 | if (toIds.length === 0) return callback(null) |
feb4bdfd | 319 | |
55fa55a9 | 320 | toIds.forEach(function (toPod) { |
feb4bdfd C |
321 | pods.push(db.Pod.build({ id: toPod })) |
322 | }) | |
323 | ||
324 | const createQuery = { | |
4b08096b | 325 | endpoint, |
00057e85 C |
326 | request: { |
327 | type: type, | |
328 | data: data | |
329 | } | |
00057e85 C |
330 | } |
331 | ||
ed04d94f C |
332 | const dbRequestOptions = { |
333 | transaction | |
334 | } | |
feb4bdfd | 335 | |
ed04d94f C |
336 | return db.Request.create(createQuery, dbRequestOptions).asCallback(function (err, request) { |
337 | if (err) return callback(err) | |
338 | ||
339 | return request.setPods(pods, dbRequestOptions).asCallback(callback) | |
00057e85 C |
340 | }) |
341 | } | |
2c49ca42 | 342 | |
49abbbbe C |
343 | function isMe (host) { |
344 | return host === constants.CONFIG.WEBSERVER.HOST | |
2c49ca42 | 345 | } |