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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') |
f0f5567b | 14 | |
da691c46 C |
15 | const ENDPOINT_ACTIONS = constants.REQUEST_ENDPOINT_ACTIONS[constants.REQUEST_ENDPOINTS.VIDEOS] |
16 | ||
a3ee6fa2 | 17 | const friends = { |
c4403b29 | 18 | addVideoToFriends, |
7b1f49de | 19 | updateVideoToFriends, |
55fa55a9 | 20 | reportAbuseVideoToFriend, |
c4403b29 | 21 | hasFriends, |
c4403b29 C |
22 | makeFriends, |
23 | quitFriends, | |
24 | removeVideoToFriends, | |
25 | sendOwnedVideosToPod | |
9f10b292 C |
26 | } |
27 | ||
ed04d94f C |
28 | function addVideoToFriends (videoData, transaction, callback) { |
29 | const options = { | |
da691c46 | 30 | type: ENDPOINT_ACTIONS.ADD, |
ed04d94f C |
31 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
32 | data: videoData, | |
33 | transaction | |
34 | } | |
35 | createRequest(options, callback) | |
9f10b292 C |
36 | } |
37 | ||
ed04d94f C |
38 | function updateVideoToFriends (videoData, transaction, callback) { |
39 | const options = { | |
da691c46 | 40 | type: ENDPOINT_ACTIONS.UPDATE, |
ed04d94f C |
41 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
42 | data: videoData, | |
43 | transaction | |
44 | } | |
45 | createRequest(options, callback) | |
55fa55a9 C |
46 | } |
47 | ||
48 | function removeVideoToFriends (videoParams) { | |
ed04d94f | 49 | const options = { |
da691c46 | 50 | type: ENDPOINT_ACTIONS.REMOVE, |
ed04d94f C |
51 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
52 | data: videoParams | |
53 | } | |
54 | createRequest(options) | |
55fa55a9 C |
55 | } |
56 | ||
57 | function reportAbuseVideoToFriend (reportData, video) { | |
bd14d16a | 58 | const options = { |
da691c46 | 59 | type: ENDPOINT_ACTIONS.REPORT_ABUSE, |
bd14d16a C |
60 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, |
61 | data: reportData, | |
62 | toIds: [ video.Author.podId ] | |
63 | } | |
64 | createRequest(options) | |
7b1f49de C |
65 | } |
66 | ||
9f10b292 | 67 | function hasFriends (callback) { |
feb4bdfd | 68 | db.Pod.countAll(function (err, count) { |
9f10b292 C |
69 | if (err) return callback(err) |
70 | ||
bc503c2a C |
71 | const hasFriends = (count !== 0) |
72 | callback(null, hasFriends) | |
9f10b292 C |
73 | }) |
74 | } | |
75 | ||
49abbbbe | 76 | function makeFriends (hosts, callback) { |
bc503c2a | 77 | const podsScore = {} |
9f10b292 C |
78 | |
79 | logger.info('Make friends!') | |
15103f11 | 80 | peertubeCrypto.getMyPublicCert(function (err, cert) { |
9f10b292 C |
81 | if (err) { |
82 | logger.error('Cannot read public cert.') | |
83 | return callback(err) | |
84 | } | |
c173e565 | 85 | |
49abbbbe C |
86 | eachSeries(hosts, function (host, callbackEach) { |
87 | computeForeignPodsList(host, podsScore, callbackEach) | |
89d1d8ba | 88 | }, function (err) { |
c173e565 C |
89 | if (err) return callback(err) |
90 | ||
bc503c2a | 91 | logger.debug('Pods scores computed.', { podsScore: podsScore }) |
49abbbbe | 92 | const podsList = computeWinningPods(hosts, podsScore) |
bc503c2a | 93 | logger.debug('Pods that we keep.', { podsToKeep: podsList }) |
9f10b292 | 94 | |
bc503c2a | 95 | makeRequestsToWinningPods(cert, podsList, callback) |
c173e565 | 96 | }) |
9f10b292 | 97 | }) |
9f10b292 C |
98 | } |
99 | ||
100 | function quitFriends (callback) { | |
101 | // Stop pool requests | |
feb4bdfd | 102 | db.Request.deactivate() |
9f10b292 | 103 | |
1a42c9e2 | 104 | waterfall([ |
7920c273 C |
105 | function flushRequests (callbackAsync) { |
106 | db.Request.flush(callbackAsync) | |
107 | }, | |
108 | ||
e7ea2817 | 109 | function getPodsList (callbackAsync) { |
feb4bdfd | 110 | return db.Pod.list(callbackAsync) |
e7ea2817 C |
111 | }, |
112 | ||
113 | function announceIQuitMyFriends (pods, callbackAsync) { | |
528a9efa | 114 | const requestParams = { |
e7ea2817 C |
115 | method: 'POST', |
116 | path: '/api/' + constants.API_VERSION + '/pods/remove', | |
528a9efa | 117 | sign: true |
c173e565 C |
118 | } |
119 | ||
e7ea2817 | 120 | // Announce we quit them |
528a9efa C |
121 | // We don't care if the request fails |
122 | // The other pod will exclude us automatically after a while | |
1a42c9e2 | 123 | eachLimit(pods, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa C |
124 | requestParams.toPod = pod |
125 | requests.makeSecureRequest(requestParams, callbackEach) | |
126 | }, function (err) { | |
127 | if (err) { | |
128 | logger.error('Some errors while quitting friends.', { err: err }) | |
129 | // Don't stop the process | |
130 | } | |
131 | ||
80a6c9e7 | 132 | return callbackAsync(null, pods) |
e7ea2817 C |
133 | }) |
134 | }, | |
c173e565 | 135 | |
80a6c9e7 C |
136 | function removePodsFromDB (pods, callbackAsync) { |
137 | each(pods, function (pod, callbackEach) { | |
feb4bdfd | 138 | pod.destroy().asCallback(callbackEach) |
aaf61f38 | 139 | }, callbackAsync) |
e7ea2817 C |
140 | } |
141 | ], function (err) { | |
142 | // Don't forget to re activate the scheduler, even if there was an error | |
feb4bdfd | 143 | db.Request.activate() |
e7ea2817 C |
144 | |
145 | if (err) return callback(err) | |
146 | ||
147 | logger.info('Removed all remote videos.') | |
148 | return callback(null) | |
9f10b292 C |
149 | }) |
150 | } | |
c173e565 | 151 | |
528a9efa | 152 | function sendOwnedVideosToPod (podId) { |
7920c273 | 153 | db.Video.listOwnedAndPopulateAuthorAndTags(function (err, videosList) { |
528a9efa C |
154 | if (err) { |
155 | logger.error('Cannot get the list of videos we own.') | |
156 | return | |
157 | } | |
158 | ||
159 | videosList.forEach(function (video) { | |
7b1f49de | 160 | video.toAddRemoteJSON(function (err, remoteVideo) { |
528a9efa C |
161 | if (err) { |
162 | logger.error('Cannot convert video to remote.', { error: err }) | |
163 | // Don't break the process | |
164 | return | |
165 | } | |
166 | ||
bd14d16a C |
167 | const options = { |
168 | type: 'add', | |
169 | endpoint: constants.REQUEST_ENDPOINTS.VIDEOS, | |
170 | data: remoteVideo, | |
171 | toIds: [ podId ] | |
172 | } | |
173 | createRequest(options) | |
528a9efa C |
174 | }) |
175 | }) | |
176 | }) | |
9f10b292 | 177 | } |
c173e565 | 178 | |
9f10b292 | 179 | // --------------------------------------------------------------------------- |
c173e565 | 180 | |
a3ee6fa2 | 181 | module.exports = friends |
c173e565 | 182 | |
9f10b292 | 183 | // --------------------------------------------------------------------------- |
c173e565 | 184 | |
49abbbbe | 185 | function computeForeignPodsList (host, podsScore, callback) { |
55fa55a9 | 186 | getForeignPodsList(host, function (err, res) { |
89d1d8ba | 187 | if (err) return callback(err) |
528a9efa | 188 | |
55fa55a9 | 189 | const foreignPodsList = res.data |
528a9efa C |
190 | |
191 | // Let's give 1 point to the pod we ask the friends list | |
49abbbbe | 192 | foreignPodsList.push({ host }) |
89d1d8ba | 193 | |
bc503c2a | 194 | foreignPodsList.forEach(function (foreignPod) { |
49abbbbe | 195 | const foreignPodHost = foreignPod.host |
89d1d8ba | 196 | |
49abbbbe C |
197 | if (podsScore[foreignPodHost]) podsScore[foreignPodHost]++ |
198 | else podsScore[foreignPodHost] = 1 | |
89d1d8ba | 199 | }) |
cbe2f7c3 | 200 | |
1e4b0080 | 201 | return callback() |
89d1d8ba C |
202 | }) |
203 | } | |
204 | ||
49abbbbe | 205 | function computeWinningPods (hosts, podsScore) { |
89d1d8ba C |
206 | // Build the list of pods to add |
207 | // Only add a pod if it exists in more than a half base pods | |
bc503c2a | 208 | const podsList = [] |
49abbbbe | 209 | const baseScore = hosts.length / 2 |
1e4b0080 | 210 | |
49abbbbe | 211 | Object.keys(podsScore).forEach(function (podHost) { |
2c49ca42 | 212 | // If the pod is not me and with a good score we add it |
49abbbbe C |
213 | if (isMe(podHost) === false && podsScore[podHost] > baseScore) { |
214 | podsList.push({ host: podHost }) | |
2c49ca42 | 215 | } |
89d1d8ba | 216 | }) |
e7ea2817 | 217 | |
bc503c2a | 218 | return podsList |
89d1d8ba C |
219 | } |
220 | ||
49abbbbe | 221 | function getForeignPodsList (host, callback) { |
f0f5567b | 222 | const path = '/api/' + constants.API_VERSION + '/pods' |
c173e565 | 223 | |
49abbbbe | 224 | request.get(constants.REMOTE_SCHEME.HTTP + '://' + host + path, function (err, response, body) { |
9f10b292 | 225 | if (err) return callback(err) |
8425cb89 | 226 | |
39f87cb2 C |
227 | try { |
228 | const json = JSON.parse(body) | |
229 | return callback(null, json) | |
230 | } catch (err) { | |
231 | return callback(err) | |
232 | } | |
9f10b292 C |
233 | }) |
234 | } | |
89d1d8ba | 235 | |
bc503c2a | 236 | function makeRequestsToWinningPods (cert, podsList, callback) { |
89d1d8ba | 237 | // Stop pool requests |
feb4bdfd | 238 | db.Request.deactivate() |
89d1d8ba | 239 | // Flush pool requests |
feb4bdfd | 240 | db.Request.forceSend() |
89d1d8ba | 241 | |
1a42c9e2 | 242 | eachLimit(podsList, constants.REQUESTS_IN_PARALLEL, function (pod, callbackEach) { |
528a9efa | 243 | const params = { |
49abbbbe | 244 | url: constants.REMOTE_SCHEME.HTTP + '://' + pod.host + '/api/' + constants.API_VERSION + '/pods/', |
528a9efa C |
245 | method: 'POST', |
246 | json: { | |
49abbbbe | 247 | host: constants.CONFIG.WEBSERVER.HOST, |
528a9efa C |
248 | publicKey: cert |
249 | } | |
89d1d8ba C |
250 | } |
251 | ||
528a9efa C |
252 | requests.makeRetryRequest(params, function (err, res, body) { |
253 | if (err) { | |
49abbbbe | 254 | logger.error('Error with adding %s pod.', pod.host, { error: err }) |
528a9efa C |
255 | // Don't break the process |
256 | return callbackEach() | |
257 | } | |
89d1d8ba | 258 | |
528a9efa | 259 | if (res.statusCode === 200) { |
feb4bdfd C |
260 | const podObj = db.Pod.build({ host: pod.host, publicKey: body.cert }) |
261 | podObj.save().asCallback(function (err, podCreated) { | |
a3ee6fa2 | 262 | if (err) { |
49abbbbe | 263 | logger.error('Cannot add friend %s pod.', pod.host, { error: err }) |
a3ee6fa2 C |
264 | return callbackEach() |
265 | } | |
89d1d8ba | 266 | |
528a9efa | 267 | // Add our videos to the request scheduler |
7920c273 | 268 | sendOwnedVideosToPod(podCreated.id) |
89d1d8ba | 269 | |
528a9efa C |
270 | return callbackEach() |
271 | }) | |
272 | } else { | |
49abbbbe | 273 | logger.error('Status not 200 for %s pod.', pod.host) |
528a9efa | 274 | return callbackEach() |
89d1d8ba | 275 | } |
528a9efa C |
276 | }) |
277 | }, function endRequests () { | |
278 | // Final callback, we've ended all the requests | |
279 | // Now we made new friends, we can re activate the pool of requests | |
feb4bdfd | 280 | db.Request.activate() |
528a9efa C |
281 | |
282 | logger.debug('makeRequestsToWinningPods finished.') | |
283 | return callback() | |
89d1d8ba C |
284 | }) |
285 | } | |
00057e85 | 286 | |
55fa55a9 | 287 | // Wrapper that populate "toIds" argument with all our friends if it is not specified |
ed04d94f C |
288 | // { type, endpoint, data, toIds, transaction } |
289 | function createRequest (options, callback) { | |
290 | if (!callback) callback = function () {} | |
291 | if (options.toIds) return _createRequest(options, callback) | |
feb4bdfd | 292 | |
55fa55a9 | 293 | // If the "toIds" pods is not specified, we send the request to all our friends |
ed04d94f | 294 | db.Pod.listAllIds(options.transaction, function (err, podIds) { |
feb4bdfd C |
295 | if (err) { |
296 | logger.error('Cannot get pod ids', { error: err }) | |
297 | return | |
298 | } | |
299 | ||
ed04d94f C |
300 | const newOptions = Object.assign(options, { toIds: podIds }) |
301 | return _createRequest(newOptions, callback) | |
feb4bdfd C |
302 | }) |
303 | } | |
304 | ||
ed04d94f C |
305 | // { type, endpoint, data, toIds, transaction } |
306 | function _createRequest (options, callback) { | |
307 | const type = options.type | |
308 | const endpoint = options.endpoint | |
309 | const data = options.data | |
310 | const toIds = options.toIds | |
311 | const transaction = options.transaction | |
312 | ||
feb4bdfd C |
313 | const pods = [] |
314 | ||
315 | // If there are no destination pods abort | |
ed04d94f | 316 | if (toIds.length === 0) return callback(null) |
feb4bdfd | 317 | |
55fa55a9 | 318 | toIds.forEach(function (toPod) { |
feb4bdfd C |
319 | pods.push(db.Pod.build({ id: toPod })) |
320 | }) | |
321 | ||
322 | const createQuery = { | |
4b08096b | 323 | endpoint, |
00057e85 C |
324 | request: { |
325 | type: type, | |
326 | data: data | |
327 | } | |
00057e85 C |
328 | } |
329 | ||
ed04d94f C |
330 | const dbRequestOptions = { |
331 | transaction | |
332 | } | |
feb4bdfd | 333 | |
ed04d94f C |
334 | return db.Request.create(createQuery, dbRequestOptions).asCallback(function (err, request) { |
335 | if (err) return callback(err) | |
336 | ||
337 | return request.setPods(pods, dbRequestOptions).asCallback(callback) | |
00057e85 C |
338 | }) |
339 | } | |
2c49ca42 | 340 | |
49abbbbe C |
341 | function isMe (host) { |
342 | return host === constants.CONFIG.WEBSERVER.HOST | |
2c49ca42 | 343 | } |