codegangsta · July 7, 2015 23:08 · Jul 7, 2015
diff --git a/main.go b/main.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/codegangsta/negroni"
+	"github.com/julienschmidt/httprouter"
+)
+
+type Book struct {
+	Title  string
+	Author string
+}
+
+type User struct {
+	Name  string
+	Email string
+}
+
+func main() {
+	n := negroni.Classic()
+
+	mux := httprouter.New()
+	mux.GET("/users", Users)
+	mux.GET("/books", Books)
+
+	n.UseFunc(Auth)
+	n.UseHandler(mux)
+	n.Run(":8080")
+}
+
+func Users(rw http.ResponseWriter, r *http.Request, p httprouter.Params) {
+	user := User{
+		Name:  "Jeremy",
+		Email: "[email protected]",
+	}
+
+	json.NewEncoder(rw).Encode(user)
+}
+
+func Books(rw http.ResponseWriter, r *http.Request, p httprouter.Params) {
+	book := Book{
+		Title:  "Building Web apps in Go",
+		Author: "Jeremy",
+	}
+
+	data, err := json.Marshal(book)
+	if err != nil {
+		http.Error(rw, err.Error(), 500)
+		return
+	}
+
+	rw.Header().Set("Content-Type", "application/json")
+	rw.Write(data)
+}
+
+func Auth(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
+	if r.URL.Query().Get("password") == "secret123" {
+		next(rw, r)
+	} else {
+		http.Error(rw, "Not Authorized", 401)
+	}
+}