initial commit

Intelix.Helper/IpApi.cs

@@ -0,0 +1,75 @@
+using System.Net;
+using System.Text;
+
+namespace Intelix.Helper;
+
+public static class IpApi
+{
+	private static string _cachedIp;
+	private static string _cachedCountryCode;
+
+	private static readonly object _lock = new object();
+
+	public static string GetPublicIp()
+	{
+		if (!string.IsNullOrEmpty(_cachedIp))
+		{
+			return _cachedIp;
+		}
+		lock (_lock)
+		{
+			if (!string.IsNullOrEmpty(_cachedIp))
+			{
+				return _cachedIp;
+			}
+			try
+			{
+				using WebClient webClient = new WebClient();
+				string text = webClient.DownloadString("http://icanhazip.com");
+				if (!string.IsNullOrEmpty(text))
+				{
+					_cachedIp = text.Trim();
+				}
+			}
+			catch
+			{
+				_cachedIp = "Request failed";
+			}
+			return _cachedIp;
+		}
+	}
+
+	public static string GetCountryCode()
+	{
+		if (!string.IsNullOrEmpty(_cachedCountryCode))
+		{
+			return _cachedCountryCode;
+		}
+		lock (_lock)
+		{
+			if (!string.IsNullOrEmpty(_cachedCountryCode))
+			{
+				return _cachedCountryCode;
+			}
+			try
+			{
+				using WebClient webClient = new WebClient();
+				webClient.Encoding = Encoding.UTF8;
+				string response = webClient.DownloadString("http://ip-api.com/line/?fields=countryCode");
+				if (!string.IsNullOrEmpty(response))
+				{
+					_cachedCountryCode = response.Trim();
+				}
+				else
+				{
+					_cachedCountryCode = "XX";
+				}
+			}
+			catch
+			{
+				_cachedCountryCode = "XX";
+			}
+			return _cachedCountryCode;
+		}
+	}
+}