fix .pipe() unzipping on more recent nodes. Closes #240

lib/node/index.js

@@ -17,6 +17,7 @@ var https = require('https');
 var http = require('http');
 var fs = require('fs');
 var qs = require('qs');
+var zlib = require('zlib');
 var util = require('util');
 
 /**
@@ -381,9 +382,14 @@ Request.prototype.write = function(data, encoding){
  */
 
 Request.prototype.pipe = function(stream, options){
+  this.piped = true; // HACK...
   this.buffer(false);
   this.end().req.on('response', function(res){
-    res.pipe(stream, options);
+    if (/^(deflate|gzip)$/.test(res.headers['content-encoding'])) {
+      res.pipe(zlib.createUnzip()).pipe(stream, options);
+    } else {
+      res.pipe(stream, options);
+    }
   });
   return stream;
 };
@@ -666,6 +672,7 @@ Request.prototype.end = function(fn){
     var type = type[0];
     var multipart = 'multipart' == type;
     var redirect = isRedirect(res.statusCode);
+    if (self.piped) return;
 
     // redirect
     if (redirect && self._redirects++ != max) {