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|
;(function () {
'use strict'
var fs = require('fs')
var config = require('config')
var async = require('async')
var request = require('request')
var logger = require('./logger')
var utils = require('./utils')
var PodsDB = require('./database').PodsDB
var pods = {}
var http = config.get('webserver.https') ? 'https' : 'http'
var host = config.get('webserver.host')
var port = config.get('webserver.port')
// ----------- Private functions -----------
function getForeignPodsList (url, callback) {
var path = '/api/pods'
request.get(url + path, function (err, response, body) {
if (err) throw err
callback(JSON.parse(body))
})
}
// ----------- Public functions -----------
pods.list = function (callback) {
PodsDB.find(function (err, pods_list) {
if (err) {
logger.error('Cannot get the list of the pods.', { error: err })
return callback(err)
}
return callback(null, pods_list)
})
}
// { url }
pods.add = function (data, callback) {
logger.info('Adding pod: %s', data.url)
var params = {
url: data.url,
publicKey: data.publicKey
}
PodsDB.create(params, function (err, pod) {
if (err) {
logger.error('Cannot insert the pod.', { error: err })
return callback(err)
}
fs.readFile(utils.certDir + 'peertube.pub', 'utf8', function (err, cert) {
if (err) {
logger.error('Cannot read cert file.', { error: err })
return callback(err)
}
return callback(null, { cert: cert })
})
})
}
// { path, data }
pods.makeSecureRequest = function (data, callback) {
PodsDB.find({}, { url: 1, publicKey: 1 }).exec(function (err, urls) {
if (err) {
logger.error('Cannot get the list of the pods.', { error: err })
return callback(err)
}
logger.debug('Make multiple requests.')
utils.makeMultipleRetryRequest(
{ encrypt: true, sign: true, method: data.method, path: data.path, data: data.data },
urls,
function (err, response, body, url) {
if (err || response.statusCode !== 200) {
logger.error('Error sending secure request to %s/%s pod.', url, data.path, { error: err })
}
},
function (err) {
if (err) {
logger.error('There was some errors when sending the video meta data.', { error: err })
return callback(err)
}
logger.debug('Finished')
callback(null)
}
)
})
}
pods.makeFriends = function (callback) {
logger.debug('Read public key...')
fs.readFile(utils.certDir + 'peertube.pub', 'utf8', function (err, cert) {
if (err) {
logger.error('Cannot read public cert.', { error: err })
return callback(err)
}
var urls = config.get('network.friends')
var pods_score = {}
async.each(urls, function (url, callback) {
// Always add a trust pod
pods_score[url] = Infinity
getForeignPodsList(url, function (foreign_pods_list) {
if (foreign_pods_list.length === 0) return callback()
async.each(foreign_pods_list, function (foreign_pod, callback) {
var foreign_url = foreign_pod.url
if (pods_score[foreign_url]) pods_score[foreign_url]++
else pods_score[foreign_url] = 1
callback()
}, callback)
})
}, function () {
logger.debug('Pods score', { pods_score: pods_score })
// Build the list of pods to add
// Only add a pod if it exists in more than a half base pods
var pods_list = []
var base_score = urls.length / 2
Object.keys(pods_score).forEach(function (pod) {
if (pods_score[pod] > base_score) pods_list.push({ url: pod })
})
logger.debug('Pods that we keep', { pods: pods_list })
var data = {
url: http + '://' + host + ':' + port,
publicKey: cert
}
logger.debug('Make requests...')
utils.makeMultipleRetryRequest(
{ method: 'POST', path: '/api/pods/', data: data },
pods_list,
function eachRequest (err, response, body, url) {
if (!err && response.statusCode === 200) {
pods.add({ url: url, publicKey: body.cert }, function (err) {
if (err) {
logger.error('Error with adding %s pod.', url, { error: err })
}
})
} else {
logger.error('Error with adding %s pod.', url)
}
},
function endRequests (err) {
if (err) {
logger.error('There was some errors when we wanted to make friends.', { error: err })
return callback(err)
}
logger.debug('Finished')
callback(null)
}
)
})
})
}
module.exports = pods
})()
|
