Added an example

examples/net-http.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/thermokarst/jwt"
+)
+
+func protectMe(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "secured")
+}
+
+func main() {
+	var authFunc = func(string, string) (bool, error) {
+		return true, nil
+	}
+
+	var claimsFunc = func(string) (map[string]interface{}, error) {
+		currentTime := time.Now()
+		return map[string]interface{}{
+			"iat": currentTime.Unix(),
+			"exp": currentTime.Add(time.Minute * 60 * 24).Unix(),
+		}, nil
+	}
+
+	var verifyClaimsFunc = func([]byte) (bool, error) {
+		return true, nil
+	}
+
+	config := &jwt.Config{
+		Secret: "password",
+		Auth:   authFunc,
+		Claims: claimsFunc,
+	}
+	j, err := jwt.NewMiddleware(config)
+	if err != nil {
+		panic(err)
+	}
+	protect := http.HandlerFunc(protectMe)
+	http.HandleFunc("/authenticate", j.GenerateToken)
+	http.Handle("/secure", j.Secure(protect, verifyClaimsFunc))
+	http.ListenAndServe(":8080", nil)
+}