NTFSSecurity-Module/AlphaFS/Filesystem/DirectoryInfo Class/DirectoryInfo.Encryption.cs

/*  Copyright (C) 2008-2016 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
 *  
 *  Permission is hereby granted, free of charge, to any person obtaining a copy 
 *  of this software and associated documentation files (the "Software"), to deal 
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 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 *  copies of the Software, and to permit persons to whom the Software is 
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in 
 *  all copies or substantial portions of the Software.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
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 *  THE SOFTWARE. 
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using System;
using System.IO;
using System.Security;

namespace Alphaleonis.Win32.Filesystem
{
   partial class DirectoryInfo
   {
      #region AlphaFS

      #region Decrypt

      /// <summary>[AlphaFS] Decrypts a directory that was encrypted by the current account using the Encrypt method.</summary>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      [SecurityCritical]
      public void Decrypt()
      {
         Directory.EncryptDecryptDirectoryCore(LongFullName, false, false, PathFormat.LongFullPath);
      }

      /// <summary>[AlphaFS] Decrypts a directory that was encrypted by the current account using the Encrypt method.</summary>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="recursive"><see langword="true"/> to decrypt the directory recursively. <see langword="false"/> only decrypt files and directories in the root of the directory.</param>
      [SecurityCritical]
      public void Decrypt(bool recursive)
      {
         Directory.EncryptDecryptDirectoryCore(LongFullName, false, recursive, PathFormat.LongFullPath);
      }

      #endregion // Decrypt
      
      #region DisableEncryption

      /// <summary>[AlphaFS] Disables encryption of the specified directory and the files in it. It does not affect encryption of subdirectories below the indicated directory.</summary>
      /// <returns><see langword="true"/> on success, <see langword="false"/> otherwise.</returns>
      /// <remarks>This method will create/change the file "Desktop.ini" and wil set Encryption value: "Disable=0"</remarks>
      [SecurityCritical]
      public void DisableEncryption()
      {
         Directory.EnableDisableEncryptionCore(LongFullName, false, PathFormat.LongFullPath);
      }

      #endregion // DisableEncryption

      #region EnableEncryption

      /// <summary>[AlphaFS] Enables encryption of the specified directory and the files in it. It does not affect encryption of subdirectories below the indicated directory.</summary>
      /// <returns><see langword="true"/> on success, <see langword="false"/> otherwise.</returns>
      /// <remarks>This method will create/change the file "Desktop.ini" and wil set Encryption value: "Disable=1"</remarks>
      [SecurityCritical]
      public void EnableEncryption()
      {
         Directory.EnableDisableEncryptionCore(LongFullName, true, PathFormat.LongFullPath);
      }

      #endregion // EnableEncryption

      #region Encrypt

      /// <summary>[AlphaFS] Encrypts a directory so that only the account used to encrypt the directory can decrypt it.</summary>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      [SecurityCritical]
      public void Encrypt()
      {
         Directory.EncryptDecryptDirectoryCore(LongFullName, true, false, PathFormat.LongFullPath);
      }

      /// <summary>[AlphaFS] Decrypts a directory that was encrypted by the current account using the Encrypt method.</summary>
      /// <exception cref="ArgumentException"/>
      /// <exception cref="ArgumentNullException"/>
      /// <exception cref="DirectoryNotFoundException"/>
      /// <exception cref="IOException"/>
      /// <exception cref="NotSupportedException"/>
      /// <exception cref="UnauthorizedAccessException"/>
      /// <param name="recursive"><see langword="true"/> to encrypt the directory recursively. <see langword="false"/> only encrypt files and directories in the root of the directory.</param>
      [SecurityCritical]
      public void Encrypt(bool recursive)
      {
         Directory.EncryptDecryptDirectoryCore(LongFullName, true, recursive, PathFormat.LongFullPath);
      }

      #endregion // Encrypt

      #endregion // AlphaFS
   }
}