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(PAZ): lookup game title before encryption query.

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This commit is contained in:
morkt 2017-01-11 06:52:02 +04:00
parent 2c20d845eb
commit 1633f93c87
1 changed files with 10 additions and 4 deletions
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10
ArcFormats/Musica/ArcPAZ.cs
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@ -172,9 +172,8 @@ namespace GameRes.Formats.Musica
if (!file.Name.EndsWith (".paz", StringComparison.InvariantCultureIgnoreCase))
return null;
uint signature = file.View.ReadUInt32 (0);
var arc_name = Path.GetFileNameWithoutExtension (file.Name).ToLowerInvariant();
// XXX encryption is queried for every .paz file
var scheme = QueryEncryption (arc_name, signature);
var scheme = QueryEncryption (file.Name, signature);
uint start_offset = scheme.Version > 0 ? 0x20u : 0u;
uint index_size = file.View.ReadUInt32 (start_offset);
start_offset += 4;
@ -196,6 +195,7 @@ namespace GameRes.Formats.Musica
arc_list.Add (part);
max_offset += part.Size;
}
var arc_name = Path.GetFileNameWithoutExtension (file.Name).ToLowerInvariant();
bool is_audio = AudioPazNames.Contains (arc_name);
bool is_video = VideoPazNames.Contains (arc_name);
Stream input = file.CreateStream (start_offset, index_size);
@ -341,10 +341,16 @@ namespace GameRes.Formats.Musica
{
PazScheme scheme = null;
if (!KnownSchemes.TryGetValue (signature, out scheme) && KnownTitles.Count > 1)
{
var title = FormatCatalog.Instance.LookupGame (arc_name);
scheme = GetScheme (title);
if (null == scheme)
{
var options = Query<PazOptions> (arcStrings.ArcEncryptedNotice);
scheme = options.Scheme;
}
}
arc_name = Path.GetFileNameWithoutExtension (arc_name).ToLowerInvariant();
if (null == scheme || !scheme.ArcKeys.ContainsKey (arc_name))
throw new UnknownEncryptionScheme();
return scheme;