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(NOA): look for archive key in accompanying exe files.

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This commit is contained in:
morkt 2017-02-26 02:42:05 +04:00
parent da438b6575
commit 3c5b8230e4
1 changed files with 51 additions and 1 deletions
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52
ArcFormats/Entis/ArcNOA.cs
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@ -28,7 +28,9 @@ using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml;
using GameRes.Formats.Properties;
using GameRes.Formats.Strings;
using GameRes.Utility;
@ -136,8 +138,12 @@ namespace GameRes.Formats.Entis
string GetArcPassword (string arc_name)
{
var title = FormatCatalog.Instance.LookupGame (arc_name, @"..\*.exe");
string password = null;
if (string.IsNullOrEmpty (title) || !KnownKeys.ContainsKey (title))
{
password = ExtractNoaPassword (arc_name);
if (password != null)
return password;
var options = Query<NoaOptions> (arcStrings.ArcEncryptedNotice);
if (!string.IsNullOrEmpty (options.PassPhrase))
{
@ -145,7 +151,6 @@ namespace GameRes.Formats.Entis
}
title = options.Scheme;
}
string password = null;
if (!string.IsNullOrEmpty (title))
{
Dictionary<string, string> filemap;
@ -158,6 +163,51 @@ namespace GameRes.Formats.Entis
return password;
}
string ExtractNoaPassword (string arc_name)
{
if (VFS.IsVirtual)
return null;
var dir = VFS.GetDirectoryName (arc_name);
var noa_name = Path.GetFileName (arc_name);
var parent_dir = Directory.GetParent (dir).FullName;
var exe_files = VFS.GetFiles (VFS.CombinePath (parent_dir, "*.exe")).Concat (VFS.GetFiles (VFS.CombinePath (dir, "*.exe")));
foreach (var exe_entry in exe_files)
{
try
{
using (var exe = new ExeFile.ResourceAccessor (exe_entry.Name))
{
var cotomi = exe.GetResource ("IDR_COTOMI", "#10");
if (null == cotomi)
continue;
using (var res = new MemoryStream (cotomi))
using (var input = DecodeNemesis (res))
{
var xml = new XmlDocument();
xml.Load (input);
var password = XmlFindArchiveKey (xml, noa_name);
if (password != null)
return password;
}
}
}
catch { /* ignore errors */ }
}
return null;
}
string XmlFindArchiveKey (XmlDocument xml, string filename)
{
foreach (XmlNode archive in xml.DocumentElement.SelectNodes ("archive[@path and @key]"))
{
var attr = archive.Attributes;
var path = attr["path"].Value;
if (VFS.IsPathEqualsToFileName (path, filename))
return attr["key"].Value;
}
return null;
}
Stream DecodeNemesis (Stream input)
{
var decoder = new NemesisDecodeContext();