.Net下查看和修改文件夹的ACL安全权限(C#)

http://blog.youkuaiyun.com/hz932/archive/2008/07/12/2644097.aspx

 

这是一个在.Net下修改文件夹或文件的ACL安全权限的类：

SetFolderACL：两个重载函数，设置权限的方法，根据需要选择重载。

GetACL： 查看文件夹权限的信息，用户名-权限键值对

GetACLString：查看文件夹权限的文本信息，用户名-权限名键值对

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1.   
2. using System;   
3. using System.Collections;   
4. using System.Text;   
5. using System.Security.AccessControl;   
6. using System.IO;  

using System;
using System.Collections;
using System.Text;
using System.Security.AccessControl;
using System.IO;

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1. namespace ACL   
2. {   
3.  class ACL_FS   
4.  { //By 同济黄正 <A href="http://hz932.ys168.com">http://hz932.ys168.com</A>   
5.   public static bool SetFolderACL(String FolderPath , String UserName , FileSystemRights Rights , AccessControlType AllowOrDeny)   
6.   {   
7.    InheritanceFlags inherits = InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit;   
8.    return SetFolderACL(FolderPath , UserName , Rights , AllowOrDeny , inherits , PropagationFlags.None , AccessControlModification.Add);   
9.   }  

namespace ACL
{
 class ACL_FS
 { //By 同济黄正 http://hz932.ys168.com
  public static bool SetFolderACL(String FolderPath , String UserName , FileSystemRights Rights , AccessControlType AllowOrDeny)
  {
   InheritanceFlags inherits = InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit;
   return SetFolderACL(FolderPath , UserName , Rights , AllowOrDeny , inherits , PropagationFlags.None , AccessControlModification.Add);
  }

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1.   public static bool SetFolderACL(String FolderPath , String UserName , FileSystemRights Rights , AccessControlType AllowOrDeny   
2.    , InheritanceFlags Inherits , PropagationFlags PropagateToChildren , AccessControlModification AddResetOrRemove)   
3.   {   
4.    //过程：获取文件夹安全对象、构造访问规则、修改安全对象的访问规则、重新设置文件夹安全对象   
5.    bool ret;   
6.    DirectoryInfo folder = new DirectoryInfo(FolderPath);   
7.    DirectorySecurity dSecurity = folder.GetAccessControl(AccessControlSections.All);   
8.    FileSystemAccessRule accRule = new FileSystemAccessRule(UserName , Rights , Inherits , PropagateToChildren , AllowOrDeny);   
9.    dSecurity.ModifyAccessRule(AddResetOrRemove , accRule , out ret);   
10.    folder.SetAccessControl(dSecurity);   
11.    return ret;   
12.   }  

  public static bool SetFolderACL(String FolderPath , String UserName , FileSystemRights Rights , AccessControlType AllowOrDeny
   , InheritanceFlags Inherits , PropagationFlags PropagateToChildren , AccessControlModification AddResetOrRemove)
  {
   //过程：获取文件夹安全对象、构造访问规则、修改安全对象的访问规则、重新设置文件夹安全对象
   bool ret;
   DirectoryInfo folder = new DirectoryInfo(FolderPath);
   DirectorySecurity dSecurity = folder.GetAccessControl(AccessControlSections.All);
   FileSystemAccessRule accRule = new FileSystemAccessRule(UserName , Rights , Inherits , PropagateToChildren , AllowOrDeny);
   dSecurity.ModifyAccessRule(AddResetOrRemove , accRule , out ret);
   folder.SetAccessControl(dSecurity);
   return ret;
  }

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1.   /// <returns>String,FileSystemRights键值对</returns>   
2.   public static Hashtable GetACL(String FolderPath)   
3.   {   
4.    Hashtable ret = new Hashtable();   
5.    DirectorySecurity sec = Directory.GetAccessControl(FolderPath , AccessControlSections.All);   
6.    foreach (FileSystemAccessRule rule in sec.GetAccessRules(true , true , typeof(System.Security.Principal.NTAccount)))   
7.    {   
8.     ret[rule.IdentityReference.ToString()] = rule.FileSystemRights;   
9.    }   
10.    return ret;   
11.   }   
12.   public static string GetACLString(String FolderPath)   
13.   {   
14.    StringBuilder sb = new StringBuilder();   
15.    Hashtable rights=GetACL(FolderPath);   
16.    foreach (string key in rights.Keys)   
17.    {   
18.     sb.Append(key + ":/t" + ((FileSystemRights)rights[key]).ToString()+"/r/n");   
19.    }   
20.    return sb.ToString();   
21.   }  

  /// <returns>String,FileSystemRights键值对</returns>
  public static Hashtable GetACL(String FolderPath)
  {
   Hashtable ret = new Hashtable();
   DirectorySecurity sec = Directory.GetAccessControl(FolderPath , AccessControlSections.All);
   foreach (FileSystemAccessRule rule in sec.GetAccessRules(true , true , typeof(System.Security.Principal.NTAccount)))
   {
    ret[rule.IdentityReference.ToString()] = rule.FileSystemRights;
   }
   return ret;
  }
  public static string GetACLString(String FolderPath)
  {
   StringBuilder sb = new StringBuilder();
   Hashtable rights=GetACL(FolderPath);
   foreach (string key in rights.Keys)
   {
    sb.Append(key + ":/t" + ((FileSystemRights)rights[key]).ToString()+"/r/n");
   }
   return sb.ToString();
  }

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1.  }   
2. }   
3. //以上在WindowsXP、Windows Server 2003下测试通过。  

 }
}
//以上在WindowsXP、Windows Server 2003下测试通过。