From fd70e6edb1b202014fed4b973d57a7414eab6905 Mon Sep 17 00:00:00 2001
From: Marco Jantke <marco.jantke@gmail.com>
Date: Fri, 6 Oct 2017 11:34:03 +0200
Subject: [PATCH] enable prefix matching within slash boundaries

---
 middlewares/stripPrefix.go      | 10 +---------
 middlewares/stripPrefix_test.go |  8 ++++++++
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/middlewares/stripPrefix.go b/middlewares/stripPrefix.go
index 2f2529796..8c1499d63 100644
--- a/middlewares/stripPrefix.go
+++ b/middlewares/stripPrefix.go
@@ -16,17 +16,9 @@ type StripPrefix struct {
 
 func (s *StripPrefix) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	for _, prefix := range s.Prefixes {
-		origPrefix := strings.TrimSpace(prefix)
-		if origPrefix == r.URL.Path {
-			r.URL.Path = "/"
-			s.serveRequest(w, r, origPrefix)
-			return
-		}
-
-		prefix = strings.TrimSuffix(origPrefix, "/") + "/"
 		if p := strings.TrimPrefix(r.URL.Path, prefix); len(p) < len(r.URL.Path) {
 			r.URL.Path = "/" + strings.TrimPrefix(p, "/")
-			s.serveRequest(w, r, origPrefix)
+			s.serveRequest(w, r, strings.TrimSpace(prefix))
 			return
 		}
 	}
diff --git a/middlewares/stripPrefix_test.go b/middlewares/stripPrefix_test.go
index 2103102c1..2e8778d72 100644
--- a/middlewares/stripPrefix_test.go
+++ b/middlewares/stripPrefix_test.go
@@ -86,6 +86,14 @@ func TestStripPrefix(t *testing.T) {
 			expectedPath:       "/",
 			expectedHeader:     "/stat",
 		},
+		{
+			desc:               "prefix matching within slash boundaries",
+			prefixes:           []string{"/stat"},
+			path:               "/status",
+			expectedStatusCode: http.StatusOK,
+			expectedPath:       "/us",
+			expectedHeader:     "/stat",
+		},
 	}
 
 	for _, test := range tests {