private static int GetFileFormatStorage(OpenMcdf.CompoundFile oCompoundFile)
{
int format = FileFormats.AVS_OFFICESTUDIO_FILE_UNKNOWN;
try
{
oCompoundFile.RootStorage.GetStream("WordDocument");
format = FileFormats.AVS_OFFICESTUDIO_FILE_DOCUMENT_DOC;
}
catch
{
}
if (FileFormats.AVS_OFFICESTUDIO_FILE_UNKNOWN == format)
{
try
{
oCompoundFile.RootStorage.GetStream("Workbook");
format = FileFormats.AVS_OFFICESTUDIO_FILE_SPREADSHEET_XLS;
}
catch
{
}
}
if (FileFormats.AVS_OFFICESTUDIO_FILE_UNKNOWN == format)
{
try
{
oCompoundFile.RootStorage.GetStream("PowerPoint Document");
format = FileFormats.AVS_OFFICESTUDIO_FILE_PRESENTATION_PPT;
}
catch
{
}
}
if (FileFormats.AVS_OFFICESTUDIO_FILE_UNKNOWN == format)
{
try
{
oCompoundFile.RootStorage.GetStorage("\x0006DataSpaces");
format = FileFormats.AVS_OFFICESTUDIO_FILE_OTHER_MS_OFFCRYPTO;
}
catch
{
}
}
return format;
}
private void Write(OpenMcdf.CFStorage tostorage, OpenMcdf.CFStorage fromstorage)
{
foreach (OpenMcdf.CFItem childitem in fromstorage.EnumChildren)
{
if (childitem is OpenMcdf.CFStream)
{
OpenMcdf.CFStream olechildstream = tostorage.AddStream(childitem.Name);
olechildstream.SetData(((OpenMcdf.CFStream)childitem).GetData());
}
else if (childitem is OpenMcdf.CFStorage)
{
OpenMcdf.CFStorage olechildstorage = tostorage.AddStorage(childitem.Name);
Write(olechildstorage, (OpenMcdf.CFStorage)childitem);
}
}
}
private void WriteStorage(OpenMcdf.CFStorage cfstorage, string directory, uint depth, ref System.Collections.Generic.List<string> outputfiles)
{
SFWorkflow.WFFileType.FileType type = SFWorkflow.WFFileType.GetOleFileType(cfstorage);
if ((cfstorage.Name != "Root Entry") || ((cfstorage.Name == "Root Entry") && (type == SFWorkflow.WFFileType.FileType.OlePackage || type == SFWorkflow.WFFileType.FileType.OleContents)))
{
string filename = string.Empty;
if (type == SFWorkflow.WFFileType.FileType.OlePackage)
{
Ole10Native olenative = new Ole10Native(new System.IO.MemoryStream(cfstorage.GetStream(Convert.ToChar((byte)1).ToString() + "Ole10Native").GetData()));
filename = olenative.FileName;
int idx = olenative.FileName.LastIndexOf("\\");
if (idx != -1)
filename = olenative.FileName.Substring(idx + 1);
filename = String.Format("{0}\\{1}", directory, filename);
using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Create, System.IO.FileAccess.Write))
{
fs.Write(olenative.NativeData, 0, olenative.NativeData.Length);
}
}
else if (type == SFWorkflow.WFFileType.FileType.OleContents)
{
filename = String.Format("{0}\\{1}", directory, "contents");
using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Create, System.IO.FileAccess.Write))
{
byte [] data = cfstorage.GetStream("CONTENTS").GetData();
fs.Write(data, 0, data.Length);
}
}
else
{
OpenMcdf.CompoundFile tmp = new OpenMcdf.CompoundFile();
Write(tmp.RootStorage, cfstorage);
filename = String.Format("{0}\\{1}", directory, cfstorage.Name);
tmp.Save(filename);
tmp.Close();
}
outputfiles.Add(filename);
}
if (depth == 0)
return;
depth--;
if (type == SFWorkflow.WFFileType.FileType.OleWord || type == WFFileType.FileType.OlePublisher)
{
try
{
OpenMcdf.CFStorage objectpool = cfstorage.GetStorage(type == SFWorkflow.WFFileType.FileType.OleWord ? "ObjectPool" : "Objects");
if (objectpool != null)
cfstorage = objectpool;
}
catch (Exception)
{
}
}
if (cfstorage != null)
{
foreach (OpenMcdf.CFItem item in cfstorage.EnumChildren.Where(x => x.IsStorage))
{
string filedir = string.Format("{0}\\{1}", directory, SFWorkflow.WFUtilities.GetNextDirectoryNumber(directory));
if (!System.IO.Directory.Exists(filedir))
System.IO.Directory.CreateDirectory(filedir);
if (System.IO.Directory.Exists(filedir))
WriteStorage((OpenMcdf.CFStorage)item, filedir, depth, ref outputfiles);
}
}
}
public static FileType GetOleFileType(OpenMcdf.CFStorage cfstorage)
{
switch(cfstorage.CLSID.ToString())
{
case "000C1084-0000-0000-C000-000000000046":
return FileType.OleMsi;
case "000C1086-0000-0000-C000-000000000046":
return FileType.OleMsp;
case "000C1082-0000-0000-C000-000000000046":
return FileType.OleMst;
case "00020810-0000-0000-c000-000000000046":
return FileType.OleExcel;
case "64818d10-4f9b-11cf-86ea-00aa00b929e8":
return FileType.OlePowerPoint;
case "00020906-0000-0000-c000-000000000046":
return FileType.OleWord;
case "00021a14-0000-0000-c000-000000000046":
return FileType.OleVisio;
case "74b78f3a-c8c8-11d1-be11-00c04fb6faf1":
return FileType.OleProject;
case "00021201-0000-0000-00c0-000000000046":
return FileType.OlePublisher;
case "00020d0b-0000-0000-c000-000000000046":
return FileType.OleMsg;
}
foreach (OpenMcdf.CFItem item in cfstorage.EnumChildren.Where(x => x.IsStream))
{
if (item.Name == Convert.ToChar((byte)1).ToString(CultureInfo.InvariantCulture) + "Ole10Native")
return FileType.OlePackage;
if (item.Name == "CONTENTS")
return FileType.OleContents;
if (item.Name == "WordDocument")
return FileType.OleWord;
else if (item.Name == "Workbook")
return FileType.OleExcel;
else if (item.Name == "VisioDocument")
return FileType.OleVisio;
else if (item.Name == "PowerPoint Document")
return FileType.OlePowerPoint;
}
return FileType.Ole;
}
