Initial API setup: GET and POST handlers and base permission checks.

be/app/api.go

@@ -0,0 +1,67 @@
+package app
+
+import (
+	"be/app/helper"
+	"log"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+func ApiCORS(w http.ResponseWriter, r *http.Request) (http.ResponseWriter, *http.Request) {
+	origin := r.Header.Get("Origin")
+
+	w.Header().Set("Access-Control-Allow-Origin", "http://localhost:5173")
+
+	if strings.HasPrefix(r.Host, "192.168.") {
+		log.Println("lan device")
+		w.Header().Set("Access-Control-Allow-Origin", origin)
+	}
+
+	w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Accept, Accept-Language, Accept-Encoding")
+
+	return w, r
+}
+
+func ApiGet(w http.ResponseWriter, r *http.Request) {
+	file := "" // base directory
+
+	if r.URL.Path != "/" {
+		file = "../public" + r.URL.Path // request
+	}
+	contentType := mime.TypeByExtension(filepath.Ext(file)) // get content type
+
+	if contentType != "" {
+		w.Header().Set("Content-Type", contentType) // set content type header
+	}
+
+	if contentType == "" {
+		file = "../public/index.html" // default
+	}
+
+	// log.Println("GET:", file)
+
+	http.ServeFile(w, r, file) // serve file
+}
+
+func ApiPost(w http.ResponseWriter, r *http.Request) {
+
+	if !helper.EndpointAccess(w, r) {
+		return
+	}
+
+	switch r.URL.Path {
+	case "/macro/record":
+		SaveMacro(w, r)
+	case "/macro/list":
+		ListMacros(w, r)
+	case "/macro/delete":
+		DeleteMacro(w, r)
+	case "/macro/play":
+		PlayMacro(w, r)
+	case "/device/list":
+		DeviceList(w, r)
+	}
+}