93 lines
2.7 KiB
C#
93 lines
2.7 KiB
C#
// ------------------------------------------------------------------------
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// 版权信息
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// 版权归百小僧及百签科技（广东）有限公司所有。
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// 所有权利保留。
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// 官方网站：https://baiqian.com
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//
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// 许可证信息
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// 项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。
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// 许可证的完整文本可以在源代码树根目录中的 LICENSE-APACHE 和 LICENSE-MIT 文件中找到。
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// ------------------------------------------------------------------------
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using System.IO.Compression;
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using System.Text;
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namespace ThingsGateway.DataEncryption;
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/// <summary>
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/// GZip 压缩解压
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/// </summary>
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[SuppressSniffer]
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public static class GzipEncryption
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{
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/// <summary>
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/// 压缩字符串并返回字节数组
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/// </summary>
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/// <param name="text"></param>
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/// <returns></returns>
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public static byte[] Compress(string text)
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{
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var buffer = Encoding.UTF8.GetBytes(text);
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using var ms = new MemoryStream();
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using (var zip = new GZipStream(ms, CompressionMode.Compress, true))
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{
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zip.Write(buffer, 0, buffer.Length);
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}
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return ms.ToArray();
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}
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/// <summary>
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/// 从字节数组解压
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/// </summary>
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/// <param name="bytes"></param>
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/// <returns></returns>
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public static string Decompress(byte[] bytes)
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{
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using var ms = new MemoryStream(bytes);
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using var zip = new GZipStream(ms, CompressionMode.Decompress);
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using var outStream = new MemoryStream();
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zip.CopyTo(outStream);
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return Encoding.UTF8.GetString(outStream.ToArray());
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}
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/// <summary>
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/// 压缩字符串并返回 Base64 字符串
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/// </summary>
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/// <param name="text"></param>
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/// <returns></returns>
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public static string CompressToBase64(string text)
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{
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var buffer = Encoding.UTF8.GetBytes(text);
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using var ms = new MemoryStream();
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using (var zip = new GZipStream(ms, CompressionMode.Compress, true))
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{
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zip.Write(buffer, 0, buffer.Length);
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}
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return Convert.ToBase64String(ms.ToArray());
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}
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/// <summary>
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/// 从 Base64 字符串解压
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/// </summary>
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/// <param name="base64String"></param>
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/// <returns></returns>
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public static string DecompressFromBase64(string base64String)
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{
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var compressedData = Convert.FromBase64String(base64String);
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using var ms = new MemoryStream(compressedData);
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using var zip = new GZipStream(ms, CompressionMode.Decompress);
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using var outStream = new MemoryStream();
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zip.CopyTo(outStream);
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return Encoding.UTF8.GetString(outStream.ToArray());
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}
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}
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