FileSqlServerSync/Server/Common/FileDirOp.cs
zerlei fc6c7bf8d2 feat: windows权限修改。
- windows 上权限是用用户的组实现
- 面向对象带来的一个冗余后果是,当用基类表示时,难以简单的确定它的实际类是什么
- 多态表达了复杂,但没有解决这种复杂性,软件开发的目的是:制造复杂的假象
2024-10-12 22:00:02 +08:00

548 lines
16 KiB
C#

using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.AccessControl;
using System.Security.Principal;
using Microsoft.VisualBasic;
namespace Common;
/// <summary>
/// 文件操作策略
/// </summary>
public abstract class FileDirOpStra
{
public abstract void FileCreate(string absolutePath, DateTime mtime);
public abstract void DirCreate(Dir dir, bool IsRecursion = true);
public abstract void FileModify(string absolutePath, DateTime mtime);
public abstract void FileDel(string absolutePath);
public abstract void DirDel(Dir dir, bool IsRecursion = true);
}
/// <summary>
/// 文件目录打包
/// </summary>
/// <param name="dstRootPath"></param>
public class FileDirOpForPack(string srcRootPath, string dstRootPath) : FileDirOpStra
{
/// <summary>
/// 目标根目录
/// </summary>
public readonly string DstRootPath = dstRootPath;
/// <summary>
/// 源目录
/// </summary>
public readonly string SrcRootPath = srcRootPath;
/// <summary>
/// 最终完成时的压缩
/// </summary>
public void FinallyCompress()
{
var x = DstRootPath;
}
/// <summary>
///
/// </summary>
/// <param name="absolutePath"></param>
/// <param name="mtime"></param>
/// <exception cref="NotImplementedException"></exception>
public override void FileCreate(string srcPath, DateTime mtime)
{
var dstPath = srcPath.Replace(SrcRootPath, DstRootPath);
var dstDirPath =
Path.GetDirectoryName(dstPath) ?? throw new NullReferenceException("父路径不存在!");
if (!Directory.Exists(dstDirPath))
{
Directory.CreateDirectory(dstDirPath);
}
System.IO.File.Copy(srcPath, dstPath, true);
}
public override void DirCreate(Dir dir, bool IsRecursion = true)
{
var srcPath = dir.FormatedPath;
var dstPath = srcPath.Replace(SrcRootPath, DstRootPath);
var dstDirPath =
Path.GetDirectoryName(dstPath) ?? throw new NullReferenceException("父路径不存在!");
if (!Directory.Exists(dstDirPath))
{
Directory.CreateDirectory(dstDirPath);
}
if (IsRecursion)
{
foreach (var c in dir.Children)
{
if (c is Dir d)
{
this.DirCreate(d, true);
}
else if (c is File f)
{
this.FileCreate(f.FormatedPath, f.MTime);
}
}
}
}
public override void FileModify(string absolutePath, DateTime mtime)
{
this.FileCreate(absolutePath, mtime);
}
public override void FileDel(string absolutePath)
{
throw new NotImplementedException();
}
public override void DirDel(Dir dir, bool IsRecursion = true)
{
throw new NotImplementedException();
}
}
public class FileDirOpForUnpack(string srcCompressedPath, string dstRootPath) : FileDirOpStra
{
/// <summary>
/// 解压缩,必须首先调用
/// </summary>
public void FirstUnComparess()
{
var x = SrcCompressedPath;
}
/// <summary>
/// 目标根目录
/// </summary>
public readonly string DstRootPath = dstRootPath;
/// <summary>
/// 源目录
/// </summary>
public readonly string SrcCompressedPath = srcCompressedPath;
/// <summary>
/// 最终完成时的压缩
/// </summary>
public override void FileCreate(string absolutePath, DateTime mtime)
{
throw new NotImplementedException();
}
public override void DirCreate(Dir dir, bool IsRecursion = true)
{
throw new NotImplementedException();
}
public override void FileModify(string absolutePath, DateTime mtime)
{
throw new NotImplementedException();
}
public override void FileDel(string absolutePath)
{
throw new NotImplementedException();
}
public override void DirDel(Dir dir, bool IsRecursion = true)
{
throw new NotImplementedException();
}
}
/// <summary>
/// 文件目录权限校验
/// </summary>
public class FileDirOpForAccessCheck : FileDirOpStra
{
public override void FileCreate(string absolutePath, DateTime mtime)
{
throw new NotImplementedException();
}
public override void DirCreate(Dir dir, bool IsRecursion = true)
{
throw new NotImplementedException();
}
public override void FileModify(string absolutePath, DateTime mtime)
{
throw new NotImplementedException();
}
public override void FileDel(string absolutePath)
{
throw new NotImplementedException();
}
public override void DirDel(Dir dir, bool IsRecursion = true)
{
throw new NotImplementedException();
}
}
public enum FileAccess
{
Read,
Write,
Delete,
Execute
}
public enum DirAcess
{
/// <summary>
/// 读取权限
/// </summary>
Read,
/// <summary>
/// 写入权限
/// </summary>
Write,
/// <summary>
/// 列出文件夹权限
/// </summary>
ListDirectory,
/// <summary>
/// 创建文件权限
/// </summary>
CreateFiles,
/// <summary>
/// 创建文件夹权限
/// </summary>
CreateDirectories,
/// <summary>
/// 删除文件权限
/// </summary>
Delete,
/// <summary>
/// 删除文件夹及其子文件
/// </summary>
DeleteSubdirectoriesAndFiles,
}
/// <summary>
/// 运行此软件的用户与目标软件的用户最好是 一个用户,一个用户组,或者运行此软件的用户具备最高权限。
/// </summary>
public class AccessWrapper
{
/// <summary>
///
/// </summary>
/// <param name="absolutePath"></param>
public static void FreeThisDirAccess(string absolutePath)
{
if (
CheckDirAccess(
absolutePath,
[
DirAcess.Read,
DirAcess.Write,
DirAcess.Delete,
DirAcess.ListDirectory,
DirAcess.CreateFiles,
DirAcess.CreateDirectories,
DirAcess.DeleteSubdirectoriesAndFiles
]
)
) { }
else
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
DirectoryInfo dirInfo = new(absolutePath);
//获得该文件的访问权限
var dirSecurity = dirInfo.GetAccessControl();
//设定文件ACL继承
InheritanceFlags inherits =
InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit;
var cUser =
(
WindowsIdentity.GetCurrent().Groups
?? throw new Exception("GetWindowsIdentity failed. 你需要手动处理发布内容!--检查权限!")
).FirstOrDefault() ?? throw new NullReferenceException("can't be null");
FileSystemAccessRule MdfRule =
new(
cUser,
FileSystemRights.Modify,
inherits,
PropagationFlags.InheritOnly,
AccessControlType.Allow
);
if (dirSecurity.ModifyAccessRule(AccessControlModification.Set, MdfRule, out _)) { }
else
{
throw new Exception("AddAccessRule failed. 你需要手动处理发布内容!--检查权限!");
}
//设置访问权限
dirInfo.SetAccessControl(dirSecurity);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
//TODO Linux文件权限
}
else
{
throw new NotSupportedException(
$"{RuntimeInformation.OSDescription} is not supported."
);
}
}
}
public static void FreeThisFileAccess(string absolutePath)
{
if (
CheckFileAccess(
absolutePath,
[FileAccess.Read, FileAccess.Write, FileAccess.Delete, FileAccess.Execute]
)
) { }
else
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
FileInfo fileInfo = new(absolutePath);
//获得该文件的访问权限
FileSecurity fileSecurity = fileInfo.GetAccessControl();
var cUser =
(
WindowsIdentity.GetCurrent().Groups
?? throw new NullReferenceException(
"GetWindowsIdentity failed. 你需要手动处理发布内容!-- 检查权限"
)
).FirstOrDefault() ?? throw new NullReferenceException("can't be null");
FileSystemAccessRule MdfRule =
new(cUser, FileSystemRights.Modify, AccessControlType.Allow);
if (fileSecurity.ModifyAccessRule(AccessControlModification.Set, MdfRule, out _))
{ }
else
{
throw new Exception("AddAccessRule failed. 你需要手动处理发布内容!--检查权限");
}
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
//TODO Linux文件权限
}
else
{
throw new NotSupportedException(
$"{RuntimeInformation.OSDescription} is not supported."
);
}
}
}
public static bool CheckDirAccess(string absolutePath, DirAcess[] access)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
DirectoryInfo dirInfo = new(absolutePath);
//获得该文件的访问权限
var dirSecurity = dirInfo.GetAccessControl();
var ac = dirSecurity
.GetAccessRules(true, true, typeof(System.Security.Principal.SecurityIdentifier))
.Cast<FileSystemAccessRule>();
#pragma warning disable CA1416 // Validate platform compatibility
var it =
from i in ac
where
(
WindowsIdentity.GetCurrent().Groups
?? throw new NullReferenceException("未能获取当前用户组!")
).Contains(i.IdentityReference)
select i;
#pragma warning restore CA1416 // Validate platform compatibility
List<DirAcess> caccess = [];
foreach (var i in it)
{
if (i.FileSystemRights.HasFlag(FileSystemRights.FullControl))
{
return true;
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.Read
| FileSystemRights.Modify
| FileSystemRights.ReadAndExecute
)
)
{
caccess.Add(DirAcess.Read);
}
if (i.FileSystemRights.HasFlag(FileSystemRights.Write | FileSystemRights.Modify))
{
caccess.Add(DirAcess.Write);
}
if (i.FileSystemRights.HasFlag(FileSystemRights.Modify | FileSystemRights.Delete))
{
caccess.Add(DirAcess.Delete);
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.ListDirectory | FileSystemRights.Modify
)
)
{
caccess.Add(DirAcess.ListDirectory);
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.CreateFiles | FileSystemRights.Modify
)
)
{
caccess.Add(DirAcess.CreateFiles);
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.CreateDirectories | FileSystemRights.Modify
)
)
{
caccess.Add(DirAcess.CreateDirectories);
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.DeleteSubdirectoriesAndFiles | FileSystemRights.Modify
)
)
{
caccess.Add(DirAcess.DeleteSubdirectoriesAndFiles);
}
}
foreach (var i in access)
{
if (!caccess.Contains(i))
{
return false;
}
}
return true;
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
//TODO Linux文件权限
return true;
}
else
{
throw new NotSupportedException(
$"{RuntimeInformation.OSDescription} is not supported."
);
}
}
public static bool CheckFileAccess(string absolutePath, FileAccess[] access)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
FileInfo fileInfo = new(absolutePath);
//获得该文件的访问权限
FileSecurity fileSecurity = fileInfo.GetAccessControl();
var ac = fileSecurity
.GetAccessRules(true, true, typeof(System.Security.Principal.SecurityIdentifier))
.Cast<FileSystemAccessRule>();
#pragma warning disable CA1416 // 验证平台兼容性
var it =
from i in ac
where
(
WindowsIdentity.GetCurrent().Groups
?? throw new NullReferenceException("未能获取当前用户组!")
).Contains(i.IdentityReference)
select i;
#pragma warning restore CA1416 // 验证平台兼容性
List<FileAccess> caccess = [];
foreach (var i in it)
{
if (i.FileSystemRights.HasFlag(FileSystemRights.FullControl))
{
return true;
}
if (i.FileSystemRights.HasFlag(FileSystemRights.Read | FileSystemRights.Modify))
{
caccess.Add(FileAccess.Read);
}
if (i.FileSystemRights.HasFlag(FileSystemRights.Write | FileSystemRights.Modify))
{
caccess.Add(FileAccess.Write);
}
if (i.FileSystemRights.HasFlag(FileSystemRights.Write | FileSystemRights.Modify))
{
caccess.Add(FileAccess.Delete);
}
if (
i.FileSystemRights.HasFlag(
FileSystemRights.ExecuteFile | FileSystemRights.Modify
)
)
{
caccess.Add(FileAccess.Execute);
}
}
foreach (var i in access)
{
if (!caccess.Contains(i))
{
return false;
}
}
return true;
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
//TODO Linux文件夹权限
return true;
}
else
{
throw new NotSupportedException(
$"{RuntimeInformation.OSDescription} is not supported."
);
}
}
/// <summary>
/// 获取当前用户
/// </summary>
/// <returns></returns>
/// <exception cref="NotSupportedException"></exception>
public static string GetCurrentUser()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return System.Security.Principal.WindowsIdentity.GetCurrent().Name;
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
return Environment.UserName;
}
else
{
throw new NotSupportedException(
$"{RuntimeInformation.OSDescription} is not supported."
);
}
}
}