rewrite using net/http

app/app.go

@@ -4,12 +4,11 @@ import (
 	"flag"
 	"fmt"
 	"log"
+	"net/http"
 	"proxmoxaas-dashboard/app/common"
 	"proxmoxaas-dashboard/app/routes"
-	"strings"
 	"web" // go will complain here until the first build
 
-	"github.com/gin-gonic/gin"
 	"github.com/tdewolff/minify/v2"
 )
 
@@ -19,44 +18,42 @@ func Run() {
 
 	common.Global = common.GetConfig(*configPath)
 
-	// setup gin
-	gin.SetMode(gin.ReleaseMode)
-	router := gin.Default()
+	// setup http router
+	router := http.NewServeMux()
 
 	// setup static resources
 	m := common.InitMinify()
 	ServeStatic(router, m)
 	html := common.MinifyStatic(m, web.Templates)
-	common.TMPL = common.LoadHTMLToGin(router, html)
+	common.TMPL = common.LoadHTML(html)
 
 	// dynamic routes for pages and page fragments
-	router.GET("/", routes.HandleGETIndex)
-	router.GET("/index", routes.HandleGETIndex)
-	router.GET("/index/instances", routes.HandleGETInstancesFragment)
-	router.GET("/account", routes.HandleGETAccount)
-	router.GET("/config", routes.HandleGETConfig)
-	router.GET("/config/volumes", routes.HandleGETConfigVolumesFragment)
-	router.GET("/config/nets", routes.HandleGETConfigNetsFragment)
-	router.GET("/config/devices", routes.HandleGETConfigDevicesFragment)
-	router.GET("/config/boot", routes.HandleGETConfigBootFragment)
-	router.GET("/backups", routes.HandleGETBackups)
-	router.GET("/backups/backups", routes.HandleGETBackupsFragment)
-	router.GET("/login", routes.HandleGETLogin)
-	router.GET("/settings", routes.HandleGETSettings)
+	router.HandleFunc("GET /", routes.HandleGETIndex)
+	router.HandleFunc("GET /index", routes.HandleGETIndex)
+	router.HandleFunc("GET /index/instances", routes.HandleGETInstancesFragment)
+	router.HandleFunc("GET /account", routes.HandleGETAccount)
+	router.HandleFunc("GET /config", routes.HandleGETConfig)
+	router.HandleFunc("GET /config/volumes", routes.HandleGETConfigVolumesFragment)
+	router.HandleFunc("GET /config/nets", routes.HandleGETConfigNetsFragment)
+	router.HandleFunc("GET /config/devices", routes.HandleGETConfigDevicesFragment)
+	router.HandleFunc("GET /config/boot", routes.HandleGETConfigBootFragment)
+	router.HandleFunc("GET /backups", routes.HandleGETBackups)
+	router.HandleFunc("GET /backups/backups", routes.HandleGETBackupsFragment)
+	router.HandleFunc("GET /login", routes.HandleGETLogin)
+	router.HandleFunc("GET /settings", routes.HandleGETSettings)
 
 	// run on all interfaces with port
-	log.Fatal("[ERR ] starting gin router: ", router.Run(fmt.Sprintf("0.0.0.0:%d", common.Global.Port)))
+	log.Fatal("[ERR ] starting gin router: ", http.ListenAndServe(fmt.Sprintf("0.0.0.0:%d", common.Global.Port), router))
 }
 
 // setup static resources under web (css, images, modules, scripts)
-func ServeStatic(router *gin.Engine, m *minify.M) {
+func ServeStatic(router *http.ServeMux, m *minify.M) {
 	static := common.MinifyStatic(m, web.Static)
-	router.GET("/websrc/*path", func(c *gin.Context) {
-		path, _ := c.Params.Get("path")
-		trimed_path := strings.Replace(path, "/", "", 1) // replace leading "/" captured by *path
-		data := static[trimed_path]
-		fmt.Println(path)
-		c.Header("Content-Encoding", data.MimeType.Encoding)
-		c.Data(200, data.MimeType.Type, []byte(data.Data))
+	router.HandleFunc("GET /websrc/{path...}", func(w http.ResponseWriter, r *http.Request) {
+		path := r.PathValue("path")
+		data := static[path]
+		w.Header().Set("Content-Encoding", data.MimeType.Encoding)
+		w.Header().Set("Content-Type", data.MimeType.Type)
+		w.Write([]byte(data.Data))
 	})
 }