From 6837d76fb6d17c08c6540a12bbfd5dcd5c5b0ceb Mon Sep 17 00:00:00 2001
From: Billy Moon <billy@itaccess.org>
Date: Mon, 11 Apr 2016 01:23:02 +0100
Subject: [PATCH] Handle absolute paths without domain

More details here: http://stackoverflow.com/questions/36534971/node-express-proxy-middleware-handle-redirect
---
 index.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index b8c573e..8eacae1 100644
--- a/index.js
+++ b/index.js
@@ -58,9 +58,14 @@ module.exports = function proxyMiddleware(options) {
         , headers = myRes.headers
         , location = headers.location;
       // Fix the location
-      if (((statusCode > 300 && statusCode < 304) || statusCode === 201) && location && location.indexOf(options.href) > -1) {
-        // absoulte path
-        headers.location = location.replace(options.href, slashJoin('/', slashJoin((options.route || ''), '')));
+      if (((statusCode > 300 && statusCode < 304) || statusCode === 201) && location) {
+          // absolute path with domain
+          if(location.indexOf(options.href) > -1) {
+            headers.location = location.replace(options.href, slashJoin('/', slashJoin((options.route || ''), '')));
+          // absolute path without domain
+          } else if(location[0] === '/' && req.originalUrl.slice(req.url.length*-1) === req.url) {
+            headers.location = req.originalUrl.slice(0, req.url.length*-1) + headers.location;
+          }
       }
       applyViaHeader(myRes.headers, opts, myRes.headers);
       rewriteCookieHosts(myRes.headers, opts, myRes.headers, req);