From f7081cd518cbdcfb8a6e161a47393fb6575ac6d5 Mon Sep 17 00:00:00 2001
From: Paul Lecuq <paul@paulbsd.com>
Date: Tue, 11 Feb 2020 19:34:36 +0100
Subject: [PATCH] improved loading performances, changed function name in
 static package

---
 cmd/dip/dip.go     | 14 ++++++++++++--
 src/static/main.go | 10 ++++++++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/cmd/dip/dip.go b/cmd/dip/dip.go
index 08ed1fe..83b5a84 100644
--- a/cmd/dip/dip.go
+++ b/cmd/dip/dip.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 
 	_ "git.paulbsd.com/paulbsd/dip/packrd"
 	"git.paulbsd.com/paulbsd/dip/src/page"
@@ -10,13 +11,21 @@ import (
 	"git.paulbsd.com/paulbsd/dip/utils"
 	"github.com/gobuffalo/packr/v2"
 	"github.com/labstack/echo/v4"
-	//"github.com/markbates/pkger"
+	"github.com/labstack/echo/v4/middleware"
 )
 
 func main() {
 	e := echo.New()
 	e.HideBanner = true
 
+	e.Use(middleware.GzipWithConfig(middleware.GzipConfig{
+		Level: 5,
+	}))
+	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
+		AllowOrigins: []string{"*"},
+		AllowMethods: []string{http.MethodGet, http.MethodPut, http.MethodPost, http.MethodDelete},
+	}))
+
 	var host, port string
 	var p page.Page
 	p.Title = "Public IP Address Service"
@@ -31,8 +40,9 @@ func main() {
 
 	e.GET("/", p.Index)
 	e.GET("/static/*", func(c echo.Context) error {
-		return static.Static(staticbox, c)
+		return static.GetStatic(staticbox, c)
 	})
+	e.OPTIONS("/", echo.MethodNotAllowedHandler)
 
 	e.Logger.Fatal(e.Start(fmt.Sprintf("%s:%s", host, port)))
 }
diff --git a/src/static/main.go b/src/static/main.go
index 2452bb2..3a8e2d9 100644
--- a/src/static/main.go
+++ b/src/static/main.go
@@ -7,8 +7,8 @@ import (
 	"strings"
 )
 
-// Static ...
-func Static(box *packr.Box, c echo.Context) (err error) {
+// GetStatic returns static file content
+func GetStatic(box *packr.Box, c echo.Context) (err error) {
 	name := c.Param("*")
 	cnt, _ := box.FindString(name)
 	if strings.HasSuffix(name, ".js") {
@@ -18,3 +18,9 @@ func Static(box *packr.Box, c echo.Context) (err error) {
 	}
 	return c.String(http.StatusOK, cnt)
 }
+
+// Static defines static file
+type Static struct {
+	Name    string
+	Content string
+}