From 64fb835e6f157d4b103084d7b6bb4d13440aac06 Mon Sep 17 00:00:00 2001
From: Alexander Nyquist <nyquist.alexander@gmail.com>
Date: Sat, 2 Aug 2014 17:06:09 +0200
Subject: [PATCH] Only accepting 3xx status codes when redirecting. Swapped
 location and code arguments for Redirect signature

---
 README.md  | 2 +-
 context.go | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 15868de..7b9196d 100644
--- a/README.md
+++ b/README.md
@@ -302,7 +302,7 @@ func main() {
 Issuing a HTTP redirect is easy:
 
 ```r.GET("/test", func(c *gin.Context) {
-	c.Redirect("http://www.google.com/", 302)
+	c.Redirect(301, "http://www.google.com/")
 })
 
 Both internal and external locations are supported.
diff --git a/context.go b/context.go
index 069f126..8fed41d 100644
--- a/context.go
+++ b/context.go
@@ -248,8 +248,12 @@ func (c *Context) String(code int, format string, values ...interface{}) {
 }
 
 // Returns a HTTP redirect to the specific location.
-func (c *Context) Redirect(location string, code int) {
-	c.Render(code, render.Redirect, location)
+func (c *Context) Redirect(code int, location string) {
+	if code >= 300 && code <= 308 {
+		c.Render(code, render.Redirect, location)
+	} else {
+		panic(fmt.Sprintf("Cannot send a redirect with status code %d", code))
+	}
 }
 
 // Writes some data into the body stream and updates the HTTP code.