From dca59d0eda15f6b08a3ccb596f56cbdc69f32fba Mon Sep 17 00:00:00 2001
From: Matthew Holt <Matthew.Holt+git@gmail.com>
Date: Thu, 29 Jan 2015 17:17:59 -0700
Subject: [PATCH] Stubbed out really basic proxy middleware

---
 middleware/middleware.go |  1 +
 middleware/proxy.go      | 50 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 middleware/proxy.go

diff --git a/middleware/middleware.go b/middleware/middleware.go
index f4411f862..848786a58 100644
--- a/middleware/middleware.go
+++ b/middleware/middleware.go
@@ -17,6 +17,7 @@ func init() {
 	register("rewrite", Rewrite)
 	register("redir", Redirect)
 	register("ext", Extensionless)
+	register("proxy", Proxy)
 	register("fastcgi", FastCGI)
 }
 
diff --git a/middleware/proxy.go b/middleware/proxy.go
new file mode 100644
index 000000000..5a99f8f0a
--- /dev/null
+++ b/middleware/proxy.go
@@ -0,0 +1,50 @@
+package middleware
+
+import (
+	"log"
+	"net/http"
+	"strings"
+)
+
+// Proxy is middleware that proxies requests.
+func Proxy(p parser) Middleware {
+	var rules []proxyRule
+
+	for p.Next() {
+		rule := proxyRule{}
+
+		if !p.Args(&rule.from, &rule.to) {
+			return p.ArgErr()
+		}
+
+		rules = append(rules, rule)
+	}
+
+	return func(next http.HandlerFunc) http.HandlerFunc {
+		return func(w http.ResponseWriter, r *http.Request) {
+
+			for _, rule := range rules {
+				if Path(r.URL.Path).Matches(rule.from) {
+					client := &http.Client{}
+
+					r.RequestURI = ""
+					r.URL.Scheme = strings.ToLower(r.URL.Scheme)
+
+					resp, err := client.Do(r)
+					if err != nil {
+						log.Fatal(err)
+					}
+					resp.Write(w)
+
+				} else {
+					next(w, r)
+				}
+			}
+		}
+	}
+}
+
+type proxyRule struct {
+	from string
+	to   string
+}