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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2019 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.Diagnostics;
using System.IO;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
namespace KeePassLib.Utility
{
public static class XmlUtilEx
{
public static XmlDocument CreateXmlDocument()
{
XmlDocument d = new XmlDocument();
// .NET 4.5.2 and newer do not resolve external XML resources
// by default; for older .NET versions, we explicitly
// prevent resolving
d.XmlResolver = null; // Default in old .NET: XmlUrlResolver object
return d;
}
public static XmlReaderSettings CreateXmlReaderSettings()
{
XmlReaderSettings xrs = new XmlReaderSettings();
xrs.CloseInput = false;
xrs.IgnoreComments = true;
xrs.IgnoreProcessingInstructions = true;
xrs.IgnoreWhitespace = true;
#if KeePassUAP
xrs.DtdProcessing = DtdProcessing.Prohibit;
#else
// Also see PrepMonoDev.sh script
xrs.ProhibitDtd = true; // Obsolete in .NET 4, but still there
// xrs.DtdProcessing = DtdProcessing.Prohibit; // .NET 4 only
#endif
xrs.ValidationType = ValidationType.None;
xrs.XmlResolver = null;
return xrs;
}
public static XmlReader CreateXmlReader(Stream s)
{
if(s == null) { Debug.Assert(false); throw new ArgumentNullException("s"); }
return XmlReader.Create(s, CreateXmlReaderSettings());
}
public static XmlWriterSettings CreateXmlWriterSettings()
{
XmlWriterSettings xws = new XmlWriterSettings();
xws.CloseOutput = false;
xws.Encoding = StrUtil.Utf8;
xws.Indent = true;
xws.IndentChars = "\t";
xws.NewLineOnAttributes = false;
return xws;
}
public static XmlWriter CreateXmlWriter(Stream s)
{
if(s == null) { Debug.Assert(false); throw new ArgumentNullException("s"); }
return XmlWriter.Create(s, CreateXmlWriterSettings());
}
public static void Serialize<T>(Stream s, T t)
{
if(s == null) { Debug.Assert(false); throw new ArgumentNullException("s"); }
XmlSerializer xs = new XmlSerializer(typeof(T));
using(XmlWriter xw = CreateXmlWriter(s))
{
xs.Serialize(xw, t);
}
}
public static T Deserialize<T>(Stream s)
{
if(s == null) { Debug.Assert(false); throw new ArgumentNullException("s"); }
XmlSerializer xs = new XmlSerializer(typeof(T));
T t = default(T);
using(XmlReader xr = CreateXmlReader(s))
{
t = (T)xs.Deserialize(xr);
}
return t;
}
}
}
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