]>
git.immae.eu Git - github/Chocobozzz/PeerTube.git/blob - server/lib/friends.js
3d3d0fdeed1da06bb6f0cc37147a5b5f3a32f0a8
3 const each
= require('async/each')
4 const eachLimit
= require('async/eachLimit')
5 const eachSeries
= require('async/eachSeries')
6 const fs
= require('fs')
7 const request
= require('request')
8 const waterfall
= require('async/waterfall')
10 const constants
= require('../initializers/constants')
11 const db
= require('../initializers/database')
12 const logger
= require('../helpers/logger')
13 const requests
= require('../helpers/requests')
18 reportAbuseVideoToFriend
,
27 function addVideoToFriends (videoData
, transaction
, callback
) {
30 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
34 createRequest(options
, callback
)
37 function updateVideoToFriends (videoData
, transaction
, callback
) {
40 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
44 createRequest(options
, callback
)
47 function removeVideoToFriends (videoParams
) {
50 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
53 createRequest(options
)
56 function reportAbuseVideoToFriend (reportData
, video
) {
57 createRequest('report-abuse', constants
.REQUEST_ENDPOINTS
.VIDEOS
, reportData
, [ video
.Author
.podId
])
60 function hasFriends (callback
) {
61 db
.Pod
.countAll(function (err
, count
) {
62 if (err
) return callback(err
)
64 const hasFriends
= (count
!== 0)
65 callback(null, hasFriends
)
69 function getMyCertificate (callback
) {
70 fs
.readFile(constants
.CONFIG
.STORAGE
.CERT_DIR
+ 'peertube.pub', 'utf8', callback
)
73 function makeFriends (hosts
, callback
) {
76 logger
.info('Make friends!')
77 getMyCertificate(function (err
, cert
) {
79 logger
.error('Cannot read public cert.')
83 eachSeries(hosts
, function (host
, callbackEach
) {
84 computeForeignPodsList(host
, podsScore
, callbackEach
)
86 if (err
) return callback(err
)
88 logger
.debug('Pods scores computed.', { podsScore: podsScore
})
89 const podsList
= computeWinningPods(hosts
, podsScore
)
90 logger
.debug('Pods that we keep.', { podsToKeep: podsList
})
92 makeRequestsToWinningPods(cert
, podsList
, callback
)
97 function quitFriends (callback
) {
99 db
.Request
.deactivate()
102 function flushRequests (callbackAsync
) {
103 db
.Request
.flush(callbackAsync
)
106 function getPodsList (callbackAsync
) {
107 return db
.Pod
.list(callbackAsync
)
110 function announceIQuitMyFriends (pods
, callbackAsync
) {
111 const requestParams
= {
113 path: '/api/' + constants
.API_VERSION
+ '/pods/remove',
117 // Announce we quit them
118 // We don't care if the request fails
119 // The other pod will exclude us automatically after a while
120 eachLimit(pods
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
121 requestParams
.toPod
= pod
122 requests
.makeSecureRequest(requestParams
, callbackEach
)
125 logger
.error('Some errors while quitting friends.', { err: err
})
126 // Don't stop the process
129 return callbackAsync(null, pods
)
133 function removePodsFromDB (pods
, callbackAsync
) {
134 each(pods
, function (pod
, callbackEach
) {
135 pod
.destroy().asCallback(callbackEach
)
139 // Don't forget to re activate the scheduler, even if there was an error
140 db
.Request
.activate()
142 if (err
) return callback(err
)
144 logger
.info('Removed all remote videos.')
145 return callback(null)
149 function sendOwnedVideosToPod (podId
) {
150 db
.Video
.listOwnedAndPopulateAuthorAndTags(function (err
, videosList
) {
152 logger
.error('Cannot get the list of videos we own.')
156 videosList
.forEach(function (video
) {
157 video
.toAddRemoteJSON(function (err
, remoteVideo
) {
159 logger
.error('Cannot convert video to remote.', { error: err
})
160 // Don't break the process
164 createRequest('add', constants
.REQUEST_ENDPOINTS
.VIDEOS
, remoteVideo
, [ podId
])
170 // ---------------------------------------------------------------------------
172 module
.exports
= friends
174 // ---------------------------------------------------------------------------
176 function computeForeignPodsList (host
, podsScore
, callback
) {
177 getForeignPodsList(host
, function (err
, res
) {
178 if (err
) return callback(err
)
180 const foreignPodsList
= res
.data
182 // Let's give 1 point to the pod we ask the friends list
183 foreignPodsList
.push({ host
})
185 foreignPodsList
.forEach(function (foreignPod
) {
186 const foreignPodHost
= foreignPod
.host
188 if (podsScore
[foreignPodHost
]) podsScore
[foreignPodHost
]++
189 else podsScore
[foreignPodHost
] = 1
196 function computeWinningPods (hosts
, podsScore
) {
197 // Build the list of pods to add
198 // Only add a pod if it exists in more than a half base pods
200 const baseScore
= hosts
.length
/ 2
201 Object
.keys(podsScore
).forEach(function (podHost
) {
202 // If the pod is not me and with a good score we add it
203 if (isMe(podHost
) === false && podsScore
[podHost
] > baseScore
) {
204 podsList
.push({ host: podHost
})
211 function getForeignPodsList (host
, callback
) {
212 const path
= '/api/' + constants
.API_VERSION
+ '/pods'
214 request
.get(constants
.REMOTE_SCHEME
.HTTP
+ '://' + host
+ path
, function (err
, response
, body
) {
215 if (err
) return callback(err
)
218 const json
= JSON
.parse(body
)
219 return callback(null, json
)
226 function makeRequestsToWinningPods (cert
, podsList
, callback
) {
227 // Stop pool requests
228 db
.Request
.deactivate()
229 // Flush pool requests
230 db
.Request
.forceSend()
232 eachLimit(podsList
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
234 url: constants
.REMOTE_SCHEME
.HTTP
+ '://' + pod
.host
+ '/api/' + constants
.API_VERSION
+ '/pods/',
237 host: constants
.CONFIG
.WEBSERVER
.HOST
,
242 requests
.makeRetryRequest(params
, function (err
, res
, body
) {
244 logger
.error('Error with adding %s pod.', pod
.host
, { error: err
})
245 // Don't break the process
246 return callbackEach()
249 if (res
.statusCode
=== 200) {
250 const podObj
= db
.Pod
.build({ host: pod
.host
, publicKey: body
.cert
})
251 podObj
.save().asCallback(function (err
, podCreated
) {
253 logger
.error('Cannot add friend %s pod.', pod
.host
, { error: err
})
254 return callbackEach()
257 // Add our videos to the request scheduler
258 sendOwnedVideosToPod(podCreated
.id
)
260 return callbackEach()
263 logger
.error('Status not 200 for %s pod.', pod
.host
)
264 return callbackEach()
267 }, function endRequests () {
268 // Final callback, we've ended all the requests
269 // Now we made new friends, we can re activate the pool of requests
270 db
.Request
.activate()
272 logger
.debug('makeRequestsToWinningPods finished.')
277 // Wrapper that populate "toIds" argument with all our friends if it is not specified
278 // { type, endpoint, data, toIds, transaction }
279 function createRequest (options
, callback
) {
280 if (!callback
) callback = function () {}
281 if (options
.toIds
) return _createRequest(options
, callback
)
283 // If the "toIds" pods is not specified, we send the request to all our friends
284 db
.Pod
.listAllIds(options
.transaction
, function (err
, podIds
) {
286 logger
.error('Cannot get pod ids', { error: err
})
290 const newOptions
= Object
.assign(options
, { toIds: podIds
})
291 return _createRequest(newOptions
, callback
)
295 // { type, endpoint, data, toIds, transaction }
296 function _createRequest (options
, callback
) {
297 const type
= options
.type
298 const endpoint
= options
.endpoint
299 const data
= options
.data
300 const toIds
= options
.toIds
301 const transaction
= options
.transaction
305 // If there are no destination pods abort
306 if (toIds
.length
=== 0) return callback(null)
308 toIds
.forEach(function (toPod
) {
309 pods
.push(db
.Pod
.build({ id: toPod
}))
312 const createQuery
= {
320 const dbRequestOptions
= {
324 return db
.Request
.create(createQuery
, dbRequestOptions
).asCallback(function (err
, request
) {
325 if (err
) return callback(err
)
327 return request
.setPods(pods
, dbRequestOptions
).asCallback(callback
)
331 function isMe (host
) {
332 return host
=== constants
.CONFIG
.WEBSERVER
.HOST