feat(frontend): add frontend files and handling

internal/command/commandline.go

@@ -14,6 +14,7 @@ var (
 	generateTokenFlag bool
 	deleteTokenFlag   bool
 	datapath          string
+	frontendkey       string
 )
 
 func PrepareCommandLine() {
@@ -21,6 +22,7 @@ func PrepareCommandLine() {
 	flag.BoolVar(&generateTokenFlag, "tokengen", false, "Generate token with name")
 	flag.BoolVar(&deleteTokenFlag, "tokendel", false, "Delete token with name")
 	flag.StringVar(&datapath, "data", "/var/lib/svg-templater", "Override data directory")
+	flag.StringVar(&frontendkey, "frontendkey", "", "Specify the api key the frontend should use")
 }
 
 func HandleCommandline() {
@@ -45,6 +47,7 @@ func HandleCommandline() {
 	} else {
 		svg.Storage = svg.NewFileStorage(datapath, "public", "fonts")
 		server.PrepareHTTP()
+		server.PrepareFrontend(frontendkey)
 		server.Start()
 	}
 }

internal/server/http.go

@@ -1,10 +1,13 @@
 package server
 
 import (
-	"fmt"
+	"io/fs"
 	"log"
 	"net/http"
+	"os"
+	"text/template"
 
+	svgtemplater "tomatentum.net/svg-templater"
 	"tomatentum.net/svg-templater/internal/routes"
 	"tomatentum.net/svg-templater/pkg/auth"
 	"tomatentum.net/svg-templater/pkg/svg"
@@ -14,9 +17,6 @@ var mux http.ServeMux
 
 func PrepareHTTP() {
 	mux = *http.NewServeMux()
-	registerAuthorizedFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		fmt.Fprintln(w, "You are authorized!")
-	})
 	registerAuthorizedFunc("/svg/", func(w http.ResponseWriter, r *http.Request) {
 		switch r.Method {
 		case "POST":
@@ -71,6 +71,43 @@ func PrepareHTTP() {
 	mux.Handle("/public/", http.StripPrefix("/public/", http.FileServer(svg.Storage.GetPublicDir())))
 }
 
+func PrepareFrontend(key string) {
+
+	webFS, _ := fs.Sub(svgtemplater.Frontend, "frontend")
+
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/app.js" {
+			http.FileServer(http.FS(webFS)).ServeHTTP(w, r)
+			return
+		}
+
+		tmplData, err := fs.ReadFile(webFS, "app.js")
+
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		tmpl, err := template.New("index").Delims("[[", "]]").Parse(string(tmplData))
+
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		// Execute with environment variables
+		data := map[string]string{
+			"APIKey": os.Getenv("API_KEY"),
+			"APIUrl": "",
+		}
+		if err := tmpl.Execute(w, data); err != nil {
+			http.Error(w, "Coudln't render template", http.StatusInternalServerError)
+			return
+		}
+
+	})
+}
+
 func Start() {
 	log.Println("Starting http server on :3000")
 	handler := corsMiddleware(&mux)