Redundant commit: only to switch branches. Can be removed.

be/app/helper/device-helper.go

@@ -0,0 +1,46 @@
+package helper
+
+import (
+	"log"
+	"os"
+	"time"
+)
+
+func TempPinFile(Uuid string, pin string) bool {
+	log.Println("temp pin file", Uuid, pin)
+	err := os.WriteFile("devices/"+Uuid+".tmp", []byte(pin), 0644)
+	if err != nil {
+		log.Println(err)
+		return false
+	}
+
+	time.AfterFunc(1*time.Minute, func() {
+		log.Println("deleting", Uuid, pin)
+		os.Remove("devices/" + Uuid + ".tmp")
+	})
+
+	return true
+}
+
+func CheckPinFile(Uuid string) bool {
+	_, err := os.Stat("devices/" + Uuid + ".tmp")
+	return err == nil
+}
+
+func SaveDeviceKey(Uuid string, key string) error {
+	err := os.WriteFile("devices/"+Uuid+".key", []byte(key), 0644)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func GetKeyByUuid(Uuid string) (string, error) {
+	data, err := os.ReadFile("devices/" + Uuid + ".key")
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}