diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 4e556f3e..eae6a1cc 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -175,6 +175,7 @@ + diff --git a/ArcFormats/ImageGGP.cs b/ArcFormats/ImageGGP.cs new file mode 100644 index 00000000..14bab042 --- /dev/null +++ b/ArcFormats/ImageGGP.cs @@ -0,0 +1,179 @@ +//! \file ImageGGP.cs +//! \date Sun Jun 14 09:06:26 2015 +//! \brief +// +// Copyright (C) 2014-2015 by morkt +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to +// deal in the Software without restriction, including without limitation the +// rights 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, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +// IN THE SOFTWARE. +// + +using System; +using System.ComponentModel.Composition; +using System.IO; +using GameRes.Utility; + +namespace GameRes.Formats.DRS +{ + internal class GgpMetaData : ImageMetaData + { + public byte[] Key = new byte[8]; + public uint Offset; + public uint Length; + } + + [Export(typeof(ImageFormat))] + public class GgpFormat : PngFormat + { + public override string Tag { get { return "GGP"; } } + public override string Description { get { return "Digital Romance System encrypted image format"; } } + public override uint Signature { get { return 0x46504747u; } } // 'GGPF' + + public override ImageMetaData ReadMetaData (Stream stream) + { + var header = new byte[0x24]; + if (header.Length != stream.Read (header, 0, header.Length)) + return null; + if (!Binary.AsciiEqual (header, 0, "GGPFAIKE")) + return null; + var info = new GgpMetaData + { + Offset = LittleEndian.ToUInt32 (header, 0x14), + Length = LittleEndian.ToUInt32 (header, 0x18), + }; + for (int i = 0; i < 8; ++i) + info.Key[i] = (byte)(header[i] ^ header[i+0xC]); + stream.Position = info.Offset; + using (var png = new EncryptedStream (stream, info.Key, true)) + { + var png_info = base.ReadMetaData (png); + info.Width = png_info.Width; + info.Height = png_info.Height; + info.BPP = png_info.BPP; + info.OffsetX = png_info.OffsetX; + info.OffsetY = png_info.OffsetY; + return info; + } + } + + public override ImageData Read (Stream file, ImageMetaData info) + { + var meta = info as GgpMetaData; + if (null == meta) + throw new ArgumentException ("GgpFormat.Read should be supplied with GgpMetaData", "info"); + using (var input = new StreamRegion (file, meta.Offset, meta.Length, true)) + using (var png = new EncryptedStream (input, meta.Key, true)) + return base.Read (png, info); + } + + public override void Write (Stream file, ImageData image) + { + throw new NotImplementedException ("GgpFormat.Write not implemented"); + } + } + + internal class EncryptedStream : Stream + { + private Stream m_stream; + private byte[] m_key; + private long m_position; + private bool m_should_dispose; + + public EncryptedStream (Stream main, byte[] key, bool leave_open = false) + { + if (null == key) + throw new ArgumentNullException ("key"); + if (key.Length < 8) + throw new ArgumentException ("key"); + m_stream = main; + m_key = key; + m_position = 0; + m_should_dispose = !leave_open; + } + + public override bool CanRead { get { return m_stream.CanRead; } } + public override bool CanSeek { get { return false; } } + public override bool CanWrite { get { return false; } } + public override long Length { get { throw new NotSupportedException(); } } + public override long Position + { + get { throw new NotSupportedException(); } + set { throw new NotSupportedException(); } + } + + public override long Seek (long offset, SeekOrigin origin) + { + throw new NotSupportedException(); + } + + public override void Flush() + { + m_stream.Flush(); + } + + public override int Read (byte[] buffer, int offset, int count) + { + int read = m_stream.Read (buffer, offset, count); + if (read > 0) + { + for (int i = 0; i < read; ++i) + { + buffer[offset+i] ^= m_key[m_position++ & 7]; + } + } + return read; + } + + public override int ReadByte () + { + int b = m_stream.ReadByte(); + if (-1 != b) + { + b ^= m_key[m_position++ & 7]; + } + return b; + } + + public override void SetLength (long length) + { + throw new NotSupportedException ("EncryptedStream.SetLength method is not supported"); + } + + public override void Write (byte[] buffer, int offset, int count) + { + throw new NotSupportedException ("EncryptedStream.Write method is not supported"); + } + + public override void WriteByte (byte value) + { + throw new NotSupportedException ("EncryptedStream.WriteByte method is not supported"); + } + + bool m_disposed = false; + protected override void Dispose (bool disposing) + { + if (!m_disposed) + { + if (m_should_dispose) + m_stream.Dispose(); + m_disposed = true; + base.Dispose (disposing); + } + } + } +} diff --git a/supported.html b/supported.html index 4f637840..29e552e9 100644 --- a/supported.html +++ b/supported.html @@ -19,15 +19,17 @@ tr.odd td { background-color: #eee } *.bip-No data.amiAMIYes-Muv-Luv Amaterasu Translation data files *.arcPackFileNoBGI/EthornellChou Dengeki Stryker -*-
SM2MPX10NoDRS +*-
SM2MPX10NoDRS Anata no Osanazuma
Ecchi na Bunny-san wa Kirai?
Kana ~Imouto~
+Natsu no Hitoshizuku
Private Nurse
Sensei 2
*.ggd\xB9\xAA\xB3\xB3
\xAB\xAD\xAA\xBA
\xB7\xB6\xB8\xB7
\xCD\xCA\xC9\xB8Yes -*.gg1
*.gg2
*.gg3GGA00000No +*.gg1
*.gg2
*.gg3
*.gg0GGA00000No +*.ggpGGPFAIKENo *.binACPXPK01NoUnison ShiftWasurenagusa ~Forget-me-Not~ *.gsp-NoBlack RainbowSaimin Gakuen *.bmzZLC3Yes @@ -136,17 +138,20 @@ Nikutai Ten'i
*.grdCMP_No *.dat
*.arc-
M2TYPENoFFA System/G-SYS -Onsen Kankou Yukemuri Chijou
Dokusen Kango
+Inran OL Sawatari Tokiko
+Onsen Kankou Yukemuri Chijou
*.pt1-No *.pakDataPack5
GsPack4NoRootPara-Sol *\x00\x00\x04\x00No -*.warWARC 1.7NoShiina Rio -Helter Skelter
+*.warWARC 1.7NoShiina Rio Classmate no Okaa-san
+Helter Skelter
+Mahou Shoujo no Taisetsu na Koto
*.s25S25No +*.ogvOGVNo *ARC2
ARC1NoASTJokyoushi wo Kurau *.dat-NoAilRagna☆彡Science *.lpkLPK1NoLucifen