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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using KeePass.App;
using KeePass.Forms;
using KeePass.UI;
using KeePassLib;
using KeePassLib.Interfaces;
using KeePassLib.Serialization;
using KeePassLib.Utility;
namespace KeePass.DataExchange
{
public static class ExportUtil
{
public static bool Export(PwExportInfo pwExportInfo, IStatusLogger slLogger)
{
if(pwExportInfo == null) throw new ArgumentNullException("pwExportInfo");
if(pwExportInfo.DataGroup == null) throw new ArgumentException();
if(!AppPolicy.Try(AppPolicyId.Export)) return false;
ExchangeDataForm dlg = new ExchangeDataForm();
dlg.InitEx(true, pwExportInfo.ContextDatabase, pwExportInfo.DataGroup);
bool bResult = false;
if(dlg.ShowDialog() == DialogResult.OK)
{
FileFormatProvider ffp = dlg.ResultFormat;
if(ffp == null) { Debug.Assert(false); goto ExpZRet; }
if(ffp.RequiresFile)
{
if(dlg.ResultFiles.Length != 1) { Debug.Assert(false); goto ExpZRet; }
if(dlg.ResultFiles[0] == null) { Debug.Assert(false); goto ExpZRet; }
if(dlg.ResultFiles[0].Length == 0) { Debug.Assert(false); goto ExpZRet; }
}
Application.DoEvents(); // Redraw parent window
IOConnectionInfo iocOutput = (ffp.RequiresFile ? IOConnectionInfo.FromPath(
dlg.ResultFiles[0]) : null);
try
{
bResult = Export(pwExportInfo, dlg.ResultFormat, iocOutput, slLogger);
}
catch(Exception ex) { MessageService.ShowWarning(ex); }
}
ExpZRet:
UIUtil.DestroyForm(dlg);
return bResult;
}
public static bool Export(PwExportInfo pwExportInfo, string strFormatName,
IOConnectionInfo iocOutput)
{
if(strFormatName == null) throw new ArgumentNullException("strFormatName");
// iocOutput may be null
FileFormatProvider prov = Program.FileFormatPool.Find(strFormatName);
if(prov == null) return false;
NullStatusLogger slLogger = new NullStatusLogger();
return Export(pwExportInfo, prov, iocOutput, slLogger);
}
public static bool Export(PwExportInfo pwExportInfo, FileFormatProvider
fileFormat, IOConnectionInfo iocOutput, IStatusLogger slLogger)
{
if(pwExportInfo == null) throw new ArgumentNullException("pwExportInfo");
if(pwExportInfo.DataGroup == null) throw new ArgumentException();
if(fileFormat == null) throw new ArgumentNullException("fileFormat");
if(fileFormat.RequiresFile && (iocOutput == null))
throw new ArgumentNullException("iocOutput");
if(!AppPolicy.Try(AppPolicyId.Export)) return false;
if(!fileFormat.SupportsExport) return false;
if(!fileFormat.TryBeginExport()) return false;
// bool bExistedAlready = File.Exists(strOutputFile);
bool bExistedAlready = (fileFormat.RequiresFile ? IOConnection.FileExists(
iocOutput) : false);
// FileStream fsOut = new FileStream(strOutputFile, FileMode.Create,
// FileAccess.Write, FileShare.None);
Stream sOut = (fileFormat.RequiresFile ? IOConnection.OpenWrite(
iocOutput) : null);
bool bResult = false;
try { bResult = fileFormat.Export(pwExportInfo, sOut, slLogger); }
catch(Exception ex) { MessageService.ShowWarning(ex); }
if(sOut != null) sOut.Close();
if(fileFormat.RequiresFile && (bResult == false) && (bExistedAlready == false))
{
try { IOConnection.DeleteFile(iocOutput); }
catch(Exception) { }
}
return bResult;
}
}
}
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