vStationURM/Common/Vinno.IUS.Common.Network.Standard/Transfer/MessageExctension.cs

using System;
using Vinno.IUS.Common.Utilities;

namespace Vinno.IUS.Common.Network.Transfer
{
    public static class MessageExctension
    {
        /// <summary>
        /// 遍历DictionaryElement中的String进行加密或解密
        /// </summary>
        /// <param name="dictionaryElement"></param>
        /// <returns></returns>
        private static DictionaryElement ForeachElement(DictionaryElement dictionaryElement, ListElement listElement)
        {
            try
            {
                var elementValue = dictionaryElement?.Value;
                var list = elementValue.Values;

                foreach (var el in elementValue.Values)
                {
                    var tag = el.Tag;
                    var element = el.Element;

                    if (element.TransferType == TransferType.String)
                    {
                        var e = (StringElement)element;
                        var value = e.Value;
                        value = DesBuilder.Decrypt(value);
                        e.Value = value;
                    }
                    else if (el.Element is DictionaryElement element1)
                    {
                        ForeachElement(element1, null);
                    }
                    else if (el.Element is ListElement listElement1)
                    {
                        ForeachElement(null, listElement1);
                    }
                }
                return dictionaryElement;
            }
            catch (Exception e)
            {
                Console.WriteLine("Error:" + e.ToString());
                return dictionaryElement;
            }
        }

        /// <summary>
        /// 对Message中Element的String解密
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public static void Decrypt(this Message message)
        {
            ForeachElement(message.Element);
        }

        private static void ForeachElement(IElement element)
        {
            if (element is DictionaryElement dictionaryElement)
            {
                foreach (var childElement in dictionaryElement.Value.Values)
                {
                    ForeachElement(childElement.Element);
                }
            }
            else if (element is ListElement listElement)
            {
                foreach (var listChildElement in listElement.Value)
                {
                    ForeachElement(listChildElement.Element);
                }
            }
            else if (element.TransferType == TransferType.String)
            {
                var e = (StringElement)element;
                var value = e.Value;
                value = DesBuilder.Decrypt(value);
                e.Value = value;
            }
        }
    }
}