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[FileTypes/] Move some things around

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Matt Nadareski
2017-11-02 01:03:36 -07:00
parent f11a0b1038
commit 6cd84ae8aa
11 changed files with 261 additions and 135 deletions
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128
SabreTools.Library/Tools/ArchiveTools.cs
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@@ -131,91 +131,6 @@ namespace SabreTools.Library.Tools
#region Information
/// <summary>
/// Retrieve file information for a single torrent GZ file
/// </summary>
/// <param name="input">Filename to get information from</param>
/// <returns>Populated DatItem object if success, empty one on error</returns>
public static Rom GetTorrentGZFileInfo(string input)
{
// Check for the file existing first
if (!File.Exists(input))
{
return null;
}
string datum = Path.GetFileName(input).ToLowerInvariant();
long filesize = new FileInfo(input).Length;
// If we have the romba depot files, just skip them gracefully
if (datum == ".romba_size" || datum == ".romba_size.backup")
{
Globals.Logger.Verbose("Romba depot file found, skipping: {0}", input);
return null;
}
// Check if the name is the right length
if (!Regex.IsMatch(datum, @"^[0-9a-f]{" + Constants.SHA1Length + @"}\.gz")) // TODO: When updating to SHA-256, this needs to update to Constants.SHA256Length
{
Globals.Logger.Warning("Non SHA-1 filename found, skipping: '{0}'", Path.GetFullPath(input));
return null;
}
// Check if the file is at least the minimum length
if (filesize < 40 /* bytes */)
{
Globals.Logger.Warning("Possibly corrupt file '{0}' with size {1}", Path.GetFullPath(input), Style.GetBytesReadable(filesize));
return null;
}
// Get the Romba-specific header data
byte[] header; // Get preamble header for checking
byte[] headermd5; // MD5
byte[] headercrc; // CRC
ulong headersz; // Int64 size
BinaryReader br = new BinaryReader(FileTools.TryOpenRead(input));
header = br.ReadBytes(12);
headermd5 = br.ReadBytes(16);
headercrc = br.ReadBytes(4);
headersz = br.ReadUInt64();
br.Dispose();
// If the header is not correct, return a blank rom
bool correct = true;
for (int i = 0; i < header.Length; i++)
{
// This is a temp fix to ignore the modification time and OS until romba can be fixed
if (i == 4 || i == 5 || i == 6 || i == 7 || i == 9)
{
continue;
}
correct &= (header[i] == Constants.TorrentGZHeader[i]);
}
if (!correct)
{
return null;
}
// Now convert the data and get the right position
string gzmd5 = BitConverter.ToString(headermd5).Replace("-", string.Empty);
string gzcrc = BitConverter.ToString(headercrc).Replace("-", string.Empty);
long extractedsize = (long)headersz;
Rom rom = new Rom
{
Type = ItemType.Rom,
Name = Path.GetFileNameWithoutExtension(input).ToLowerInvariant(),
Size = extractedsize,
CRC = gzcrc.ToLowerInvariant(),
MD5 = gzmd5.ToLowerInvariant(),
SHA1 = Path.GetFileNameWithoutExtension(input).ToLowerInvariant(), // TODO: When updating to SHA-256, this needs to update to SHA256
MachineName = Path.GetFileNameWithoutExtension(input).ToLowerInvariant(),
};
return rom;
}
/// <summary>
/// Returns the archive type of an input file
/// </summary>
@@ -621,49 +536,6 @@ namespace SabreTools.Library.Tools
}
}
/// <summary>
/// (INCOMPLETE) Get the T7Z status of the file
/// </summary>
/// <param name="filename">Name of the file to check</param>
/// <returns>0 if the file isn't 7z, 1 if the file is t7z, 2 if the file is 7z</returns>
public static int IsT7z(string filename)
{
int ist7z = 0;
if (File.Exists(filename))
{
try
{
Stream fread = FileTools.TryOpenRead(filename);
uint ar, offs = 0;
fread.Seek(0, SeekOrigin.Begin);
byte[] buffer = new byte[128];
ar = (uint)fread.Read(buffer, 0, 4 + Constants.Torrent7ZipSignature.Length + 4);
if (ar < (4 + Constants.Torrent7ZipSignature.Length + 4))
{
if (ar >= Constants.Torrent7ZipSignature.Length + 4)
{
ar -= (uint)(Constants.Torrent7ZipSignature.Length + 4);
}
if (ar <= Constants.Torrent7ZipHeader.Length)
{
ar = (uint)Constants.Torrent7ZipHeader.Length;
}
// memset(buffer+offs+ar,0,crcsz-ar)
}
fread.Dispose();
}
catch
{
Globals.Logger.Warning("File '{0}' could not be opened", filename);
ist7z = 0;
}
}
return ist7z;
}
#endregion
}
}