protected override void DoFinalTask(IVgmtWorkerStruct pExamineChecksumGeneratorStruct)
{
ExamineChecksumGeneratorStruct examineChecksumGeneratorStruct =
(ExamineChecksumGeneratorStruct)pExamineChecksumGeneratorStruct;
string headerFormat = "The following duplicates were found using {0} checksums." + Environment.NewLine +
"(CRC32/MD5/SHA1)";
if (examineChecksumGeneratorStruct.CheckForDuplicates)
{
this.outputDuplicatesForDictionary(
this.duplicateCheckHashStandard, String.Format(headerFormat, "standard"),
examineChecksumGeneratorStruct.MoveStandardDuplicatesToSubfolder,
ExamineChecksumGeneratorWorker.StandardDuplicatesSubfolder);
if (examineChecksumGeneratorStruct.DoVgmtChecksums)
{
this.outputDuplicatesForDictionary(
this.duplicateCheckHashVgmt, String.Format(headerFormat, "VGMToolbox method"),
examineChecksumGeneratorStruct.MoveVgmtDuplicatesToSubfolder,
ExamineChecksumGeneratorWorker.VGMToolboxDuplicatesSubfolder);
}
}
}
protected override void DoTaskForFile(string pPath,
IVgmtWorkerStruct pExamineChecksumGeneratorStruct, DoWorkEventArgs e)
{
ExamineChecksumGeneratorStruct examineChecksumGeneratorStruct =
(ExamineChecksumGeneratorStruct)pExamineChecksumGeneratorStruct;
string crc32;
string md5;
string sha1;
string vgmtCrc32 = "Not implemented for this format.";
string vgmtMd5 = "Not implemented for this format.";
string vgmtSha1 = "Not implemented for this format.";
string checksumKey;
Type formatType = null;
IFormat vgmData = null;
using (FileStream fs = File.OpenRead(pPath))
{
crc32 = ChecksumUtil.GetCrc32OfFullFile(fs);
md5 = ChecksumUtil.GetMd5OfFullFile(fs);
sha1 = ChecksumUtil.GetSha1OfFullFile(fs);
if (examineChecksumGeneratorStruct.CheckForDuplicates)
{
checksumKey = String.Format("{0}/{1}/{2}", crc32, md5, sha1);
this.addChecksumToHash(checksumKey, pPath, true);
}
if (examineChecksumGeneratorStruct.DoVgmtChecksums)
{
formatType = FormatUtil.getObjectType(fs);
if (formatType != null)
{
vgmData = (IFormat)Activator.CreateInstance(formatType);
vgmData.Initialize(fs, pPath);
}
}
}
if (vgmData != null)
{
Crc32 crc32Generator = new Crc32();
MD5CryptoServiceProvider md5Hash = new MD5CryptoServiceProvider();
FileStream md5FileStream = new FileStream(Path.GetTempFileName(), FileMode.Create, FileAccess.Write);
CryptoStream md5CryptoStream = new CryptoStream(md5FileStream, md5Hash, CryptoStreamMode.Write);
SHA1CryptoServiceProvider sha1Hash = new SHA1CryptoServiceProvider();
FileStream sha1FileStream = new FileStream(Path.GetTempFileName(), FileMode.Create, FileAccess.Write);
CryptoStream sha1CryptoStream = new CryptoStream(sha1FileStream, sha1Hash, CryptoStreamMode.Write);
vgmData.GetDatFileChecksums(ref crc32Generator, ref md5CryptoStream,
ref sha1CryptoStream);
md5CryptoStream.FlushFinalBlock();
sha1CryptoStream.FlushFinalBlock();
vgmtCrc32 = crc32Generator.Value.ToString("X8");
vgmtMd5 = ParseFile.ByteArrayToString(md5Hash.Hash);
vgmtSha1 = ParseFile.ByteArrayToString(sha1Hash.Hash);
if (examineChecksumGeneratorStruct.CheckForDuplicates)
{
checksumKey = String.Format("{0}/{1}/{2}", vgmtCrc32, vgmtMd5, vgmtSha1);
this.addChecksumToHash(checksumKey, pPath, false);
}
md5FileStream.Close();
md5FileStream.Dispose();
sha1FileStream.Close();
sha1FileStream.Dispose();
md5CryptoStream.Close();
md5CryptoStream.Dispose();
sha1CryptoStream.Close();
sha1CryptoStream.Dispose();
}
this.outputBuffer.AppendFormat("<{0}>{1}", pPath, Environment.NewLine);
this.outputBuffer.AppendFormat("CRC32: {0}{1}", crc32, Environment.NewLine);
this.outputBuffer.AppendFormat("MD5: {0}{1}", md5, Environment.NewLine);
this.outputBuffer.AppendFormat("SHA1: {0}{1}", sha1, Environment.NewLine);
if (examineChecksumGeneratorStruct.DoVgmtChecksums)
{
this.outputBuffer.AppendFormat("CRC32 (VGMT): {0}{1}", vgmtCrc32, Environment.NewLine);
this.outputBuffer.AppendFormat("MD5 (VGMT): {0}{1}", vgmtMd5, Environment.NewLine);
this.outputBuffer.AppendFormat("SHA1 (VGMT): {0}{1}", vgmtSha1, Environment.NewLine);
}
this.outputBuffer.AppendLine();
}
