From b9a3e09ad5a7673f64556d1dba122ed4c4fac980 Mon Sep 17 00:00:00 2001
From: Chocobozzz <florian.bigard@gmail.com>
Date: Mon, 7 Mar 2016 11:33:59 +0100
Subject: Prepare folders structure for angular app

---
 server/helpers/requests.js | 109 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 server/helpers/requests.js

(limited to 'server/helpers/requests.js')

diff --git a/server/helpers/requests.js b/server/helpers/requests.js
new file mode 100644
index 000000000..e19afa5ca
--- /dev/null
+++ b/server/helpers/requests.js
@@ -0,0 +1,109 @@
+'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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