1 files changed, 29 insertions, 0 deletions
diff --git a/Minecraft.Server/Common/NetworkUtils.h b/Minecraft.Server/Common/NetworkUtils.h
new file mode 100644
index 00000000..c77d4506
--- /dev/null
+++ b/Minecraft.Server/Common/NetworkUtils.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include "StringUtils.h"
+
+#include <WS2tcpip.h>
+
+namespace ServerRuntime
+{
+	namespace NetworkUtils
+	{
+		inline std::string NormalizeIpToken(const std::string &ip)
+		{
+			return StringUtils::ToLowerAscii(StringUtils::TrimAscii(ip));
+		}
+
+		inline bool IsIpLiteral(const std::string &text)
+		{
+			const std::string trimmed = StringUtils::TrimAscii(text);
+			if (trimmed.empty())
+			{
+				return false;
+			}
+
+			IN_ADDR ipv4 = {};
+			IN6_ADDR ipv6 = {};
+			return InetPtonA(AF_INET, trimmed.c_str(), &ipv4) == 1 || InetPtonA(AF_INET6, trimmed.c_str(), &ipv6) == 1;
+		}
+	}
+}