chore: Adds more Go support.

iptool.go

@@ -0,0 +1,55 @@
+package commonbackend
+
+import (
+	"fmt"
+	"net"
+)
+
+func IPStringToIPBytes(ip string) ([]byte, error) {
+	sourceIP := net.ParseIP(ip)
+	ipBytes := sourceIP.To4()
+
+	if ipBytes == nil {
+		ipBytes = sourceIP.To16()
+
+		if ipBytes == nil {
+			return nil, fmt.Errorf("invalid IP address recieved")
+		}
+	}
+
+	return ipBytes, nil
+}
+
+func IPBytesToIPSafe(ip []byte) (net.IP, error) {
+	sourceIP := net.IP(ip)
+	ipBytes := sourceIP.To4()
+
+	if ipBytes != nil {
+		return ipBytes, nil
+	}
+
+	ipBytes = sourceIP.To16()
+
+	if ipBytes != nil {
+		return ipBytes, nil
+	}
+
+	return nil, fmt.Errorf("invalid IP address recieved")
+}
+
+func IPBytesToString(ip []byte) (string, error) {
+	sourceIP := net.IP(ip)
+	ipBytes := sourceIP.To4()
+
+	if ipBytes != nil {
+		return ipBytes.String(), nil
+	}
+
+	ipBytes = sourceIP.To16()
+
+	if ipBytes != nil {
+		return ipBytes.String(), nil
+	}
+
+	return "", fmt.Errorf("invalid IP address recieved")
+}