add/rm tokens, register with token

utils/utils.go

@@ -0,0 +1,19 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+)
+
+func GenerateSessionId(length int) string {
+	bytes := make([]byte, length) // 16 bytes = 128 bits
+	_, err := rand.Read(bytes)
+	if err != nil {
+		panic("failed to generate session ID")
+	}
+	return hex.EncodeToString(bytes)
+}
+
+func GenerateToken() string {
+	return GenerateSessionId(16)
+}