]>
git.immae.eu Git - github/Chocobozzz/PeerTube.git/blob - server/lib/friends.js
3 const each
= require('async/each')
4 const eachLimit
= require('async/eachLimit')
5 const eachSeries
= require('async/eachSeries')
6 const request
= require('request')
7 const waterfall
= require('async/waterfall')
9 const constants
= require('../initializers/constants')
10 const db
= require('../initializers/database')
11 const logger
= require('../helpers/logger')
12 const peertubeCrypto
= require('../helpers/peertube-crypto')
13 const requests
= require('../helpers/requests')
15 const ENDPOINT_ACTIONS
= constants
.REQUEST_ENDPOINT_ACTIONS
[constants
.REQUEST_ENDPOINTS
.VIDEOS
]
20 reportAbuseVideoToFriend
,
28 function addVideoToFriends (videoData
, transaction
, callback
) {
30 type: ENDPOINT_ACTIONS
.ADD
,
31 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
35 createRequest(options
, callback
)
38 function updateVideoToFriends (videoData
, transaction
, callback
) {
40 type: ENDPOINT_ACTIONS
.UPDATE
,
41 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
45 createRequest(options
, callback
)
48 function removeVideoToFriends (videoParams
) {
50 type: ENDPOINT_ACTIONS
.REMOVE
,
51 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
54 createRequest(options
)
57 function reportAbuseVideoToFriend (reportData
, video
) {
59 type: ENDPOINT_ACTIONS
.REPORT_ABUSE
,
60 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
62 toIds: [ video
.Author
.podId
]
64 createRequest(options
)
67 function hasFriends (callback
) {
68 db
.Pod
.countAll(function (err
, count
) {
69 if (err
) return callback(err
)
71 const hasFriends
= (count
!== 0)
72 callback(null, hasFriends
)
76 function makeFriends (hosts
, callback
) {
79 logger
.info('Make friends!')
80 peertubeCrypto
.getMyPublicCert(function (err
, cert
) {
82 logger
.error('Cannot read public cert.')
86 eachSeries(hosts
, function (host
, callbackEach
) {
87 computeForeignPodsList(host
, podsScore
, callbackEach
)
89 if (err
) return callback(err
)
91 logger
.debug('Pods scores computed.', { podsScore: podsScore
})
92 const podsList
= computeWinningPods(hosts
, podsScore
)
93 logger
.debug('Pods that we keep.', { podsToKeep: podsList
})
95 makeRequestsToWinningPods(cert
, podsList
, callback
)
100 function quitFriends (callback
) {
101 // Stop pool requests
102 db
.Request
.deactivate()
105 function flushRequests (callbackAsync
) {
106 db
.Request
.flush(callbackAsync
)
109 function getPodsList (callbackAsync
) {
110 return db
.Pod
.list(callbackAsync
)
113 function announceIQuitMyFriends (pods
, callbackAsync
) {
114 const requestParams
= {
116 path: '/api/' + constants
.API_VERSION
+ '/pods/remove',
120 // Announce we quit them
121 // We don't care if the request fails
122 // The other pod will exclude us automatically after a while
123 eachLimit(pods
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
124 requestParams
.toPod
= pod
125 requests
.makeSecureRequest(requestParams
, callbackEach
)
128 logger
.error('Some errors while quitting friends.', { err: err
})
129 // Don't stop the process
132 return callbackAsync(null, pods
)
136 function removePodsFromDB (pods
, callbackAsync
) {
137 each(pods
, function (pod
, callbackEach
) {
138 pod
.destroy().asCallback(callbackEach
)
142 // Don't forget to re activate the scheduler, even if there was an error
143 db
.Request
.activate()
145 if (err
) return callback(err
)
147 logger
.info('Removed all remote videos.')
148 return callback(null)
152 function sendOwnedVideosToPod (podId
) {
153 db
.Video
.listOwnedAndPopulateAuthorAndTags(function (err
, videosList
) {
155 logger
.error('Cannot get the list of videos we own.')
159 videosList
.forEach(function (video
) {
160 video
.toAddRemoteJSON(function (err
, remoteVideo
) {
162 logger
.error('Cannot convert video to remote.', { error: err
})
163 // Don't break the process
169 endpoint: constants
.REQUEST_ENDPOINTS
.VIDEOS
,
173 createRequest(options
)
179 // ---------------------------------------------------------------------------
181 module
.exports
= friends
183 // ---------------------------------------------------------------------------
185 function computeForeignPodsList (host
, podsScore
, callback
) {
186 getForeignPodsList(host
, function (err
, res
) {
187 if (err
) return callback(err
)
189 const foreignPodsList
= res
.data
191 // Let's give 1 point to the pod we ask the friends list
192 foreignPodsList
.push({ host
})
194 foreignPodsList
.forEach(function (foreignPod
) {
195 const foreignPodHost
= foreignPod
.host
197 if (podsScore
[foreignPodHost
]) podsScore
[foreignPodHost
]++
198 else podsScore
[foreignPodHost
] = 1
205 function computeWinningPods (hosts
, podsScore
) {
206 // Build the list of pods to add
207 // Only add a pod if it exists in more than a half base pods
209 const baseScore
= hosts
.length
/ 2
211 Object
.keys(podsScore
).forEach(function (podHost
) {
212 // If the pod is not me and with a good score we add it
213 if (isMe(podHost
) === false && podsScore
[podHost
] > baseScore
) {
214 podsList
.push({ host: podHost
})
221 function getForeignPodsList (host
, callback
) {
222 const path
= '/api/' + constants
.API_VERSION
+ '/pods'
224 request
.get(constants
.REMOTE_SCHEME
.HTTP
+ '://' + host
+ path
, function (err
, response
, body
) {
225 if (err
) return callback(err
)
228 const json
= JSON
.parse(body
)
229 return callback(null, json
)
236 function makeRequestsToWinningPods (cert
, podsList
, callback
) {
237 // Stop pool requests
238 db
.Request
.deactivate()
239 // Flush pool requests
240 db
.Request
.forceSend()
242 eachLimit(podsList
, constants
.REQUESTS_IN_PARALLEL
, function (pod
, callbackEach
) {
244 url: constants
.REMOTE_SCHEME
.HTTP
+ '://' + pod
.host
+ '/api/' + constants
.API_VERSION
+ '/pods/',
247 host: constants
.CONFIG
.WEBSERVER
.HOST
,
252 requests
.makeRetryRequest(params
, function (err
, res
, body
) {
254 logger
.error('Error with adding %s pod.', pod
.host
, { error: err
})
255 // Don't break the process
256 return callbackEach()
259 if (res
.statusCode
=== 200) {
260 const podObj
= db
.Pod
.build({ host: pod
.host
, publicKey: body
.cert
})
261 podObj
.save().asCallback(function (err
, podCreated
) {
263 logger
.error('Cannot add friend %s pod.', pod
.host
, { error: err
})
264 return callbackEach()
267 // Add our videos to the request scheduler
268 sendOwnedVideosToPod(podCreated
.id
)
270 return callbackEach()
273 logger
.error('Status not 200 for %s pod.', pod
.host
)
274 return callbackEach()
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
280 db
.Request
.activate()
282 logger
.debug('makeRequestsToWinningPods finished.')
287 // Wrapper that populate "toIds" argument with all our friends if it is not specified
288 // { type, endpoint, data, toIds, transaction }
289 function createRequest (options
, callback
) {
290 if (!callback
) callback = function () {}
291 if (options
.toIds
) return _createRequest(options
, callback
)
293 // If the "toIds" pods is not specified, we send the request to all our friends
294 db
.Pod
.listAllIds(options
.transaction
, function (err
, podIds
) {
296 logger
.error('Cannot get pod ids', { error: err
})
300 const newOptions
= Object
.assign(options
, { toIds: podIds
})
301 return _createRequest(newOptions
, callback
)
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
315 // If there are no destination pods abort
316 if (toIds
.length
=== 0) return callback(null)
318 toIds
.forEach(function (toPod
) {
319 pods
.push(db
.Pod
.build({ id: toPod
}))
322 const createQuery
= {
330 const dbRequestOptions
= {
334 return db
.Request
.create(createQuery
, dbRequestOptions
).asCallback(function (err
, request
) {
335 if (err
) return callback(err
)
337 return request
.setPods(pods
, dbRequestOptions
).asCallback(callback
)
341 function isMe (host
) {
342 return host
=== constants
.CONFIG
.WEBSERVER
.HOST