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- using RevokeMsgPatcher.Model;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.IO;
- using System.Security.Cryptography;
- using System.Text;
- namespace RevokeMsgPatcher.Utils
- {
- public class FileUtil
- {
- /// <summary>
- /// 获取文件版本
- /// </summary>
- /// <param name="path"></param>
- /// <returns></returns>
- public static string GetFileVersion(string path)
- {
- FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(path);
- return fileVersionInfo.FileVersion;
- }
- /// <summary>
- /// 计算文件SHA1
- /// </summary>
- /// <param name="s">文件路径</param>
- /// <returns></returns>
- public static string ComputeFileSHA1(string s)
- {
- FileStream file = new FileStream(s, FileMode.Open);
- SHA1 sha1 = new SHA1CryptoServiceProvider();
- byte[] retval = sha1.ComputeHash(file);
- file.Close();
- StringBuilder sc = new StringBuilder();
- for (int i = 0; i < retval.Length; i++)
- {
- sc.Append(retval[i].ToString("x2"));
- }
- return sc.ToString();
- }
- /// <summary>
- /// 修改文件指定位置的字节
- /// </summary>
- /// <param name="path">文件对象的路径</param>
- /// <param name="position">偏移位置</param>
- /// <param name="after">修改后的值</param>
- /// <returns></returns>
- public static bool EditHex(string path, long position, byte after)
- {
- using (var stream = new FileStream(path, FileMode.Open, FileAccess.ReadWrite))
- {
- stream.Position = position;
- stream.WriteByte(after);
- }
- return true;
- }
- /// <summary>
- /// 修改文件多个指定位置的多个字节
- /// </summary>
- /// <param name="path">文件对象的路径</param>
- /// <param name="changes">需要修改的位置和内容</param>
- public static void EditMultiHex(string path, List<Change> changes)
- {
- using (var stream = new FileStream(path, FileMode.Open, FileAccess.ReadWrite))
- {
- foreach (Change change in changes)
- {
- stream.Seek(change.Position, SeekOrigin.Begin);
- stream.Write(change.Content, 0, change.Content.Length);
- }
- }
- }
- }
- }
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