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'use strict'
var async = require('async')
var config = require('config')
var request = require('request')
var replay = require('request-replay')
var constants = require('../initializers/constants')
var logger = require('./logger')
var peertubeCrypto = require('./peertubeCrypto')
var http = config.get('webserver.https') ? 'https' : 'http'
var host = config.get('webserver.host')
var port = config.get('webserver.port')
var requests = {
makeMultipleRetryRequest: makeMultipleRetryRequest
}
function makeMultipleRetryRequest (all_data, pods, callbackEach, callback) {
if (!callback) {
callback = callbackEach
callbackEach = null
}
var url = http + '://' + host + ':' + port
var signature
// Add signature if it is specified in the params
if (all_data.method === 'POST' && all_data.data && all_data.sign === true) {
signature = peertubeCrypto.sign(url)
}
// Make a request for each pod
async.each(pods, function (pod, callback_each_async) {
function callbackEachRetryRequest (err, response, body, url, pod) {
if (callbackEach !== null) {
callbackEach(err, response, body, url, pod, function () {
callback_each_async()
})
} else {
callback_each_async()
}
}
var params = {
url: pod.url + all_data.path,
method: all_data.method
}
// Add data with POST requst ?
if (all_data.method === 'POST' && all_data.data) {
// Encrypt data ?
if (all_data.encrypt === true) {
// TODO: ES6 with let
;(function (copy_params, copy_url, copy_pod, copy_signature) {
peertubeCrypto.encrypt(pod.publicKey, JSON.stringify(all_data.data), function (err, encrypted) {
if (err) return callback(err)
copy_params.json = {
data: encrypted.data,
key: encrypted.key
}
makeRetryRequest(copy_params, copy_url, copy_pod, copy_signature, callbackEachRetryRequest)
})
})(params, url, pod, signature)
} else {
params.json = { data: all_data.data }
makeRetryRequest(params, url, pod, signature, callbackEachRetryRequest)
}
} else {
makeRetryRequest(params, url, pod, signature, callbackEachRetryRequest)
}
}, callback)
}
// ---------------------------------------------------------------------------
module.exports = requests
// ---------------------------------------------------------------------------
function makeRetryRequest (params, from_url, to_pod, signature, callbackEach) {
// Append the signature
if (signature) {
params.json.signature = {
url: from_url,
signature: signature
}
}
logger.debug('Make retry requests to %s.', to_pod.url)
replay(
request.post(params, function (err, response, body) {
callbackEach(err, response, body, params.url, to_pod)
}),
{
retries: constants.REQUEST_RETRIES,
factor: 3,
maxTimeout: Infinity,
errorCodes: [ 'EADDRINFO', 'ETIMEDOUT', 'ECONNRESET', 'ESOCKETTIMEDOUT', 'ENOTFOUND', 'ECONNREFUSED' ]
}
).on('replay', function (replay) {
logger.info('Replaying request to %s. Request failed: %d %s. Replay number: #%d. Will retry in: %d ms.',
params.url, replay.error.code, replay.error.message, replay.number, replay.delay)
})
}
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