fix #47

Author: AleksandrRogov

lib/requests/http.js

@@ -33,9 +33,9 @@ var httpRequest = function (options) {
 
     var parsedUrl = url.parse(uri);
     var protocol = parsedUrl.protocol.replace(':','');
-    var interface = protocol === 'http' ? http : https;
+    var protocolInterface = protocol === 'http' ? http : https;
 
-    var options = {
+    var internalOptions = {
         hostname: parsedUrl.hostname,
         port: parsedUrl.port,
         path: parsedUrl.path,
@@ -51,27 +51,25 @@ var httpRequest = function (options) {
          * is unsuitable for environments where requests are expected to be
          * using end-to-end TLS.
          */
-        interface = http;
-        const proxyUrl = url.parse(process.env.http_proxy);
-        options = {
+        protocolInterface = http;
+        var proxyUrl = url.parse(process.env.http_proxy);
+        headers.host = parsedUrl.host;
+        internalOptions = {
             hostname: proxyUrl.hostname,
             port: proxyUrl.port,
             path: parsedUrl.href,
             method: method,
             timeout: timeout,
-            headers: {
-                host: parsedUrl.host,
-                ...headers,
-            }
+            headers: headers
         };
     }
 
-    var request = interface.request(options, function (res) {
+    var request = protocolInterface.request(internalOptions, function (res) {
         var rawData = '';
         res.setEncoding('utf8');
         res.on('data', function (chunk) {
             rawData += chunk;
-        })
+        });
         res.on('end', function () {
             switch (res.statusCode) {
                 case 200: // Success with content returned in response body.
@@ -115,8 +113,8 @@ var httpRequest = function (options) {
         });
     });
 
-    if (options.timeout) {
-        request.setTimeout(options.timeout, function () {
+    if (internalOptions.timeout) {
+        request.setTimeout(internalOptions.timeout, function () {
             request.abort();
         });
     }