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public class PermissionManager{/// <summary>/// 為文件添加users，everyone用戶組的完全控制權限/// </summary>/// <param name="filePath"></param>public static void AddSecurityControll2File(string filePath){//獲取文件信息FileInfo fileInfo = new FileInfo(filePath);//獲得該文件的訪問權限System.Security.AccessControl.FileSecurity fileSecurity = fileInfo.GetAccessControl();//添加ereryone用戶組的訪問權限規則 完全控制權限fileSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));//添加Users用戶組的訪問權限規則 完全控制權限fileSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));//設置訪問權限 fileInfo.SetAccessControl(fileSecurity);}/// <summary>///為文件夾添加users，everyone用戶組的完全控制權限/// </summary>/// <param name="dirPath"></param>public static void AddSecurityControll2Folder(string dirPath){//獲取文件夾信息DirectoryInfo dir = new DirectoryInfo(dirPath);//獲得該文件夾的所有訪問權限System.Security.AccessControl.DirectorySecurity dirSecurity = dir.GetAccessControl(AccessControlSections.All);//設定文件ACL繼承InheritanceFlags inherits = InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit;//添加ereryone用戶組的訪問權限規則 完全控制權限FileSystemAccessRule everyoneFileSystemAccessRule = new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, inherits, PropagationFlags.None, AccessControlType.Allow);//添加Users用戶組的訪問權限規則 完全控制權限FileSystemAccessRule usersFileSystemAccessRule = new FileSystemAccessRule("Users", FileSystemRights.FullControl, inherits, PropagationFlags.None, AccessControlType.Allow);bool isModified = false;dirSecurity.ModifyAccessRule(AccessControlModification.Add, everyoneFileSystemAccessRule, out isModified);dirSecurity.ModifyAccessRule(AccessControlModification.Add, usersFileSystemAccessRule, out isModified);//設置訪問權限 dir.SetAccessControl(dirSecurity);}/// <summary>/// 為文件夾移除某個用戶的權限/// </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>/// 項目中用，文件夾只保留everyone權限，其中允許用戶讀，但不允許寫/// by the way,代碼結果是給文件夾一個特殊權限，點進去高級看，會發現這個特殊權限的子項和寫入權限的子項是一樣的/// </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 permissionsforeach (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, inherits, PropagationFlags.None, 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, everyoneFileSystemAccessRule, out isModified);dirinfo.SetAccessControl(objSecObj);}}

?寫入：

代碼生成的特殊權限

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?其實權限是一樣的

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轉載于:https://www.cnblogs.com/swobble/p/11198765.html

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