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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 | 6 | const request = require('request') |
1a42c9e2 | 7 | const waterfall = require('async/waterfall') |
f0f5567b C |
8 | |
9 | const constants = require('../initializers/constants') | |
feb4bdfd | 10 | const db = require('../initializers/database') |
f0f5567b | 11 | const logger = require('../helpers/logger') |
15103f11 | 12 | const peertubeCrypto = require('../helpers/peertube-crypto') |
f0f5567b | 13 | const requests = require('../helpers/requests') |
c1a7ab7f | 14 | const RequestScheduler = require('./request-scheduler') |
f0f5567b | 15 | |
da691c46 | 16 | const ENDPOINT_ACTIONS = constants.REQUEST_ENDPOINT_ACTIONS[constants.REQUEST_ENDPOINTS.VIDEOS] |
fe783f6b | 17 | const requestScheduler = new RequestScheduler() |
da691c46 | 18 | |
a3ee6fa2 | 19 | const friends = { |
c1a7ab7f | 20 | activate, |
c4403b29 | 21 | addVideoToFriends, |
7b1f49de | 22 | updateVideoToFriends, |
55fa55a9 | 23 | reportAbuseVideoToFriend, |
c4403b29 | 24 | hasFriends, |
c4403b29 C |
25 | makeFriends, |
26 | quitFriends, | |
27 | removeVideoToFriends, | |
28 | sendOwnedVideosToPod | |
9f10b292 C |
29 | } |
30 | ||
c1a7ab7f C |
31 | function activate () { |
32 | requestScheduler.activate() | |
33 | } | |
34 | ||
ed04d94f C |
35 | function addVideoToFriends (videoData, transaction, callback) { |
36 | const options = { | |
da691c46 | 37 | type: ENDPOINT_ACTIONS.ADD, |
ed04d94f C |
38 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
39 | data: videoData, | |
40 | transaction | |
41 | } | |
42 | createRequest(options, callback) | |
9f10b292 C |
43 | } |
44 | ||
ed04d94f C |
45 | function updateVideoToFriends (videoData, transaction, callback) { |
46 | const options = { | |
da691c46 | 47 | type: ENDPOINT_ACTIONS.UPDATE, |
ed04d94f C |
48 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
49 | data: videoData, | |
50 | transaction | |
51 | } | |
52 | createRequest(options, callback) | |
55fa55a9 C |
53 | } |
54 | ||
55 | function removeVideoToFriends (videoParams) { | |
ed04d94f | 56 | const options = { |
da691c46 | 57 | type: ENDPOINT_ACTIONS.REMOVE, |
ed04d94f C |
58 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
59 | data: videoParams | |
60 | } | |
61 | createRequest(options) | |
55fa55a9 C |
62 | } |
63 | ||
64 | function reportAbuseVideoToFriend (reportData, video) { | |
bd14d16a | 65 | const options = { |
da691c46 | 66 | type: ENDPOINT_ACTIONS.REPORT_ABUSE, |
bd14d16a C |
67 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
68 | data: reportData, | |
69 | toIds: [ video.Author.podId ] | |
70 | } | |
71 | createRequest(options) | |
7b1f49de C |
72 | } |
73 | ||
9f10b292 | 74 | function hasFriends (callback) { |
feb4bdfd | 75 | db.Pod.countAll(function (err, count) { |
9f10b292 C |
76 | if (err) return callback(err) |
77 | ||
bc503c2a C |
78 | const hasFriends = (count !== 0) |
79 | callback(null, hasFriends) | |
9f10b292 C |
80 | }) |
81 | } | |
82 | ||
49abbbbe | 83 | function makeFriends (hosts, callback) { |
bc503c2a | 84 | const podsScore = {} |
9f10b292 C |
85 | |
86 | logger.info('Make friends!') | |
15103f11 | 87 | peertubeCrypto.getMyPublicCert(function (err, cert) { |
9f10b292 C |
88 | if (err) { |
89 | logger.error('Cannot read public cert.') | |
90 | return callback(err) | |
91 | } | |
c173e565 | 92 | |
49abbbbe C |
93 | eachSeries(hosts, function (host, callbackEach) { |
94 | computeForeignPodsList(host, podsScore, callbackEach) | |
89d1d8ba | 95 | }, function (err) { |
c173e565 C |
96 | if (err) return callback(err) |
97 | ||
bc503c2a | 98 | logger.debug('Pods scores computed.', { podsScore: podsScore }) |
49abbbbe | 99 | const podsList = computeWinningPods(hosts, podsScore) |
bc503c2a | 100 | logger.debug('Pods that we keep.', { podsToKeep: podsList }) |
9f10b292 | 101 | |
bc503c2a | 102 | makeRequestsToWinningPods(cert, podsList, callback) |
c173e565 | 103 | }) |
9f10b292 | 104 | }) |
9f10b292 C |
105 | } |
106 | ||
107 | function quitFriends (callback) { | |
108 | // Stop pool requests | |
c1a7ab7f | 109 | requestScheduler.deactivate() |
9f10b292 | 110 | |
1a42c9e2 | 111 | waterfall([ |
7920c273 | 112 | function flushRequests (callbackAsync) { |
c1a7ab7f | 113 | requestScheduler.flush(callbackAsync) |
7920c273 C |
114 | }, |
115 | ||
e7ea2817 | 116 | function getPodsList (callbackAsync) { |
feb4bdfd | 117 | return db.Pod.list(callbackAsync) |
e7ea2817 C |
118 | }, |
119 | ||
120 | function announceIQuitMyFriends (pods, callbackAsync) { | |
528a9efa | 121 | const requestParams = { |
e7ea2817 C |
122 | method: 'POST', |
123 | path: '/api/' + constants.API_VERSION + '/pods/remove', | |
528a9efa | 124 | sign: true |
c173e565 C |
125 | } |
126 | ||
e7ea2817 | 127 | // Announce we quit them |
528a9efa C |
128 | // We don't care if the request fails |
129 | // The other pod will exclude us automatically after a while | |
1a42c9e2 | 130 | eachLimit(pods, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa C |
131 | requestParams.toPod = pod |
132 | requests.makeSecureRequest(requestParams, callbackEach) | |
133 | }, function (err) { | |
134 | if (err) { | |
135 | logger.error('Some errors while quitting friends.', { err: err }) | |
136 | // Don't stop the process | |
137 | } | |
138 | ||
80a6c9e7 | 139 | return callbackAsync(null, pods) |
e7ea2817 C |
140 | }) |
141 | }, | |
c173e565 | 142 | |
80a6c9e7 C |
143 | function removePodsFromDB (pods, callbackAsync) { |
144 | each(pods, function (pod, callbackEach) { | |
feb4bdfd | 145 | pod.destroy().asCallback(callbackEach) |
aaf61f38 | 146 | }, callbackAsync) |
e7ea2817 C |
147 | } |
148 | ], function (err) { | |
149 | // Don't forget to re activate the scheduler, even if there was an error | |
c1a7ab7f | 150 | requestScheduler.activate() |
e7ea2817 C |
151 | |
152 | if (err) return callback(err) | |
153 | ||
154 | logger.info('Removed all remote videos.') | |
155 | return callback(null) | |
9f10b292 C |
156 | }) |
157 | } | |
c173e565 | 158 | |
528a9efa | 159 | function sendOwnedVideosToPod (podId) { |
7920c273 | 160 | db.Video.listOwnedAndPopulateAuthorAndTags(function (err, videosList) { |
528a9efa C |
161 | if (err) { |
162 | logger.error('Cannot get the list of videos we own.') | |
163 | return | |
164 | } | |
165 | ||
166 | videosList.forEach(function (video) { | |
7b1f49de | 167 | video.toAddRemoteJSON(function (err, remoteVideo) { |
528a9efa C |
168 | if (err) { |
169 | logger.error('Cannot convert video to remote.', { error: err }) | |
170 | // Don't break the process | |
171 | return | |
172 | } | |
173 | ||
bd14d16a C |
174 | const options = { |
175 | type: 'add', | |
176 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
177 | data: remoteVideo, | |
178 | toIds: [ podId ] | |
179 | } | |
180 | createRequest(options) | |
528a9efa C |
181 | }) |
182 | }) | |
183 | }) | |
9f10b292 | 184 | } |
c173e565 | 185 | |
9f10b292 | 186 | // --------------------------------------------------------------------------- |
c173e565 | 187 | |
a3ee6fa2 | 188 | module.exports = friends |
c173e565 | 189 | |
9f10b292 | 190 | // --------------------------------------------------------------------------- |
c173e565 | 191 | |
49abbbbe | 192 | function computeForeignPodsList (host, podsScore, callback) { |
55fa55a9 | 193 | getForeignPodsList(host, function (err, res) { |
89d1d8ba | 194 | if (err) return callback(err) |
528a9efa | 195 | |
55fa55a9 | 196 | const foreignPodsList = res.data |
528a9efa C |
197 | |
198 | // Let's give 1 point to the pod we ask the friends list | |
49abbbbe | 199 | foreignPodsList.push({ host }) |
89d1d8ba | 200 | |
bc503c2a | 201 | foreignPodsList.forEach(function (foreignPod) { |
49abbbbe | 202 | const foreignPodHost = foreignPod.host |
89d1d8ba | 203 | |
49abbbbe C |
204 | if (podsScore[foreignPodHost]) podsScore[foreignPodHost]++ |
205 | else podsScore[foreignPodHost] = 1 | |
89d1d8ba | 206 | }) |
cbe2f7c3 | 207 | |
1e4b0080 | 208 | return callback() |
89d1d8ba C |
209 | }) |
210 | } | |
211 | ||
49abbbbe | 212 | function computeWinningPods (hosts, podsScore) { |
89d1d8ba C |
213 | // Build the list of pods to add |
214 | // Only add a pod if it exists in more than a half base pods | |
bc503c2a | 215 | const podsList = [] |
49abbbbe | 216 | const baseScore = hosts.length / 2 |
1e4b0080 | 217 | |
49abbbbe | 218 | Object.keys(podsScore).forEach(function (podHost) { |
2c49ca42 | 219 | // If the pod is not me and with a good score we add it |
49abbbbe C |
220 | if (isMe(podHost) === false && podsScore[podHost] > baseScore) { |
221 | podsList.push({ host: podHost }) | |
2c49ca42 | 222 | } |
89d1d8ba | 223 | }) |
e7ea2817 | 224 | |
bc503c2a | 225 | return podsList |
89d1d8ba C |
226 | } |
227 | ||
49abbbbe | 228 | function getForeignPodsList (host, callback) { |
f0f5567b | 229 | const path = '/api/' + constants.API_VERSION + '/pods' |
c173e565 | 230 | |
49abbbbe | 231 | request.get(constants.REMOTE_SCHEME.HTTP + '://' + host + path, function (err, response, body) { |
9f10b292 | 232 | if (err) return callback(err) |
8425cb89 | 233 | |
39f87cb2 C |
234 | try { |
235 | const json = JSON.parse(body) | |
236 | return callback(null, json) | |
237 | } catch (err) { | |
238 | return callback(err) | |
239 | } | |
9f10b292 C |
240 | }) |
241 | } | |
89d1d8ba | 242 | |
bc503c2a | 243 | function makeRequestsToWinningPods (cert, podsList, callback) { |
89d1d8ba | 244 | // Stop pool requests |
c1a7ab7f | 245 | requestScheduler.deactivate() |
89d1d8ba | 246 | // Flush pool requests |
c1a7ab7f | 247 | requestScheduler.forceSend() |
89d1d8ba | 248 | |
1a42c9e2 | 249 | eachLimit(podsList, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa | 250 | const params = { |
49abbbbe | 251 | url: constants.REMOTE_SCHEME.HTTP + '://' + pod.host + '/api/' + constants.API_VERSION + '/pods/', |
528a9efa C |
252 | method: 'POST', |
253 | json: { | |
49abbbbe | 254 | host: constants.CONFIG.WEBSERVER.HOST, |
4793c343 | 255 | email: constants.CONFIG.ADMIN.EMAIL, |
528a9efa C |
256 | publicKey: cert |
257 | } | |
89d1d8ba C |
258 | } |
259 | ||
528a9efa C |
260 | requests.makeRetryRequest(params, function (err, res, body) { |
261 | if (err) { | |
49abbbbe | 262 | logger.error('Error with adding %s pod.', pod.host, { error: err }) |
528a9efa C |
263 | // Don't break the process |
264 | return callbackEach() | |
265 | } | |
89d1d8ba | 266 | |
528a9efa | 267 | if (res.statusCode === 200) { |
4793c343 | 268 | const podObj = db.Pod.build({ host: pod.host, publicKey: body.cert, email: body.email }) |
feb4bdfd | 269 | podObj.save().asCallback(function (err, podCreated) { |
a3ee6fa2 | 270 | if (err) { |
49abbbbe | 271 | logger.error('Cannot add friend %s pod.', pod.host, { error: err }) |
a3ee6fa2 C |
272 | return callbackEach() |
273 | } | |
89d1d8ba | 274 | |
528a9efa | 275 | // Add our videos to the request scheduler |
7920c273 | 276 | sendOwnedVideosToPod(podCreated.id) |
89d1d8ba | 277 | |
528a9efa C |
278 | return callbackEach() |
279 | }) | |
280 | } else { | |
49abbbbe | 281 | logger.error('Status not 200 for %s pod.', pod.host) |
528a9efa | 282 | return callbackEach() |
89d1d8ba | 283 | } |
528a9efa C |
284 | }) |
285 | }, function endRequests () { | |
286 | // Final callback, we've ended all the requests | |
287 | // Now we made new friends, we can re activate the pool of requests | |
c1a7ab7f | 288 | requestScheduler.activate() |
528a9efa C |
289 | |
290 | logger.debug('makeRequestsToWinningPods finished.') | |
291 | return callback() | |
89d1d8ba C |
292 | }) |
293 | } | |
00057e85 | 294 | |
55fa55a9 | 295 | // Wrapper that populate "toIds" argument with all our friends if it is not specified |
ed04d94f C |
296 | // { type, endpoint, data, toIds, transaction } |
297 | function createRequest (options, callback) { | |
298 | if (!callback) callback = function () {} | |
c1a7ab7f | 299 | if (options.toIds) return requestScheduler.createRequest(options, callback) |
feb4bdfd | 300 | |
55fa55a9 | 301 | // If the "toIds" pods is not specified, we send the request to all our friends |
ed04d94f | 302 | db.Pod.listAllIds(options.transaction, function (err, podIds) { |
feb4bdfd C |
303 | if (err) { |
304 | logger.error('Cannot get pod ids', { error: err }) | |
305 | return | |
306 | } | |
307 | ||
ed04d94f | 308 | const newOptions = Object.assign(options, { toIds: podIds }) |
c1a7ab7f | 309 | return requestScheduler.createRequest(newOptions, callback) |
00057e85 C |
310 | }) |
311 | } | |
2c49ca42 | 312 | |
49abbbbe C |
313 | function isMe (host) { |
314 | return host === constants.CONFIG.WEBSERVER.HOST | |
2c49ca42 | 315 | } |