private Afs2Archive GetInternalAwbArchive()
{
var internalAwbOffset = GetFieldOffset(0, "AwbFile");
var internalAwb = new Afs2Archive(Stream, internalAwbOffset.Value, AcbFileName, false);
internalAwb.Initialize();
return(internalAwb);
}
private Afs2Archive GetExternalAwbArchive()
{
var acbFileName = AcbFileName;
var awbDirPath = Path.GetDirectoryName(acbFileName);
if (awbDirPath == null)
{
awbDirPath = string.Empty;
}
var awbBaseFileName = Path.GetFileNameWithoutExtension(acbFileName);
string[] awbFiles = null;
string awbMask1 = null, awbMask2 = null, awbMask3 = null;
if (awbFiles == null || awbFiles.Length < 1)
{
awbMask1 = string.Format(AwbFileNameFormats.Format1, awbBaseFileName);
awbFiles = Directory.GetFiles(awbDirPath, awbMask1, SearchOption.TopDirectoryOnly);
}
if (awbFiles == null || awbFiles.Length < 1)
{
awbMask2 = string.Format(AwbFileNameFormats.Format2, awbBaseFileName);
awbFiles = Directory.GetFiles(awbDirPath, awbMask2, SearchOption.TopDirectoryOnly);
}
if (awbFiles == null || awbFiles.Length < 1)
{
awbMask3 = string.Format(AwbFileNameFormats.Format3, awbBaseFileName);
awbFiles = Directory.GetFiles(awbDirPath, awbMask3, SearchOption.TopDirectoryOnly);
}
if (awbFiles.Length < 1)
{
throw new FileNotFoundException($"Cannot find AWB file. Please verify corresponding AWB file is named '{awbMask1}', '{awbMask2}', or '{awbMask3}'.");
}
if (awbFiles.Length > 1)
{
throw new FileNotFoundException($"More than one matching AWB file for this ACB. Please verify only one AWB file is named '{awbMask1}', '{awbMask2}' or '{awbMask3}'.");
}
var externalAwbHash = GetFieldValueAsData(0, "StreamAwbHash");
var fs = File.Open(awbFiles[0], FileMode.Open, FileAccess.Read, FileShare.Read);
var awbHash = AcbHelper.GetMd5Checksum(fs);
if (!AcbHelper.AreDataIdentical(awbHash, externalAwbHash))
{
Trace.WriteLine($"Checksum of AWB file '{fs.Name}' ({BitConverter.ToString(awbHash)}) does not match MD5 checksum inside ACB file '{acbFileName}' ({BitConverter.ToString(externalAwbHash)}).");
}
var archive = new Afs2Archive(fs, 0, fs.Name, true);
archive.Initialize();
return(archive);
}
private Afs2Archive GetInternalAwbArchive()
{
var internalAwbOffset = GetFieldOffset(0, "AwbFile");
if (internalAwbOffset == null)
{
throw new AcbFieldMissingException("AwbFile");
}
var internalAwb = new Afs2Archive(Stream, internalAwbOffset.Value, AcbFileName, false);
internalAwb.Initialize();
return(internalAwb);
}
