c# 给文件文件夹 管理用户权限

概述  public class PermissionManager { /// <summary> /// 为文件添加users，everyone用户组的完全控制权限 /// </summary> /// <param name="filePath"></param> public static v

 

 public class PermissionManager    {        /// <summary>        /// 为文件添加users，everyone用户组的完全控制权限        /// </summary>        /// <param name="filePath"></param>        public static voID AddSecurityControll2file(string filePath)        {            //获取文件信息            fileInfo fileInfo = new fileInfo(filePath);            //获得该文件的访问权限            System.Security.AccessControl.fileSecurity fileSecurity = fileInfo.GetAccessControl();            //添加ereryone用户组的访问权限规则 完全控制权限            fileSecurity.AddAccessRule(new fileSystemAccessRule("Everyone",fileSystemRights.FullControl,AccessControlType.Allow));            //添加Users用户组的访问权限规则 完全控制权限            fileSecurity.AddAccessRule(new fileSystemAccessRule("Users",AccessControlType.Allow));            //设置访问权限            fileInfo.SetAccessControl(fileSecurity);        }        /// <summary>        ///为文件夹添加users，everyone用户组的完全控制权限        /// </summary>        /// <param name="dirPath"></param>        public static voID AddSecurityControll2Folder(string dirPath)        {            //获取文件夹信息            DirectoryInfo dir = new DirectoryInfo(dirPath);            //获得该文件夹的所有访问权限            System.Security.AccessControl.DirectorySecurity dirsecurity = dir.GetAccessControl(AccessControlSections.All);            //设定文件ACL继承            inheritanceFlags inherits = inheritanceFlags.Containerinherit | inheritanceFlags.Objectinherit;            //添加ereryone用户组的访问权限规则 完全控制权限            fileSystemAccessRule everyonefileSystemAccessRule = new fileSystemAccessRule("Everyone",inherits,PropagationFlags.None,AccessControlType.Allow);            //添加Users用户组的访问权限规则 完全控制权限            fileSystemAccessRule usersfileSystemAccessRule = new fileSystemAccessRule("Users",AccessControlType.Allow);            bool isModifIEd = false;            dirsecurity.ModifyAccessRule(AccessControlModification.Add,everyonefileSystemAccessRule,out isModifIEd);            dirsecurity.ModifyAccessRule(AccessControlModification.Add,usersfileSystemAccessRule,out isModifIEd);            //设置访问权限            dir.SetAccessControl(dirsecurity);        }        /// <summary>        /// 为文件夹移除某个用户的权限        /// </summary>        /// <param name="dirname"></param>        /// <param name="username"></param>        static voID removePermissions(string dirname,string username)        {            string user = System.Environment.UserDomainname + "\" + username;            DirectoryInfo dirinfo = new DirectoryInfo(dirname);            DirectorySecurity dsec = dirinfo.GetAccessControl(AccessControlSections.All);            AuthorizationRuleCollection rules = dsec.GetAccessRules(true,true,typeof(System.Security.Principal.NTAccount));            foreach (AccessRule rule in rules)            {                if (rule.IDentityReference.Value == user)                {                    bool value;                    dsec.PurgeAccessRules(rule.IDentityReference);                    dsec.ModifyAccessRule(AccessControlModification.RemoveAll,rule,out value);                }            }        }        /// <summary>        /// 项目中用，文件夹只保留everyone权限，其中允许用户读，但不允许写        /// by the way,代码结果是给文件夹一个特殊权限，点进去高级看，会发现这个特殊权限的子项和写入权限的子项是一样的        /// </summary>        /// <param name="dirname"></param>        public static voID OnlyKeepEveryonePermissionsWithWriteNotAllowed(string dirname)        {            DirectoryInfo dirinfo = new DirectoryInfo(dirname);            DirectorySecurity obJsecObj = dirinfo.GetAccessControl();            AuthorizationRuleCollection acl = obJsecObj.GetAccessRules(true,true,typeof(System.Security.Principal.NTAccount));            obJsecObj.SetAccessRuleProtection(true,false); //to remove inherited permissions            foreach (fileSystemAccessRule ace in acl) //to remove any other permission            {                obJsecObj.PurgeAccessRules(ace.IDentityReference);  //same as use obJsecObj.RemoveAccessRuleSpecific(ace);            }            inheritanceFlags inherits = inheritanceFlags.Containerinherit | inheritanceFlags.Objectinherit;            fileSystemAccessRule everyonefileSystemAccessRule = new fileSystemAccessRule("Everyone",fileSystemRights.ReadAndExecute | fileSystemRights.ListDirectory | fileSystemRights.Read,AccessControlType.Allow);            fileSystemAccessRule everyonefileSystemAccessRule2 = new fileSystemAccessRule("Everyone",fileSystemRights.Write,AccessControlType.Deny);            bool isModifIEd = false;            obJsecObj.ModifyAccessRule(AccessControlModification.Add,everyonefileSystemAccessRule2,out isModifIEd);            obJsecObj.ModifyAccessRule(AccessControlModification.Add,out isModifIEd);            dirinfo.SetAccessControl(obJsecObj);        }    }

 写入：

代码生成的特殊权限

 

 其实权限是一样的

总结

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