public Stream GetFileStream(string filename)
{
MapPackage p = Package;
if (p == null)
{
return(null);
}
return(p.GetFile(filename));
}
public int ChangeKey(string SourcePackage, string TargetPackage, byte[] OldKey, byte[] NewKey)
{
log("Changing key for {0} / {1}", SourcePackage, TargetPackage);
string osz2FilenameOld = s3getToTemp("osz2/" + SourcePackage);
string osz2FilenameNew = osz2FilenameOld + ".new";
try
{
//ensure an existing new file doesn't existing exist.
File.Delete(osz2FilenameNew);
if (!File.Exists(osz2FilenameOld))
{
log("couldn't find local file {0}", osz2FilenameOld);
return((int)UpdateResponseCode.FileDoesNotExist);
}
using (MapPackage oldPackage = new MapPackage(osz2FilenameOld, OldKey, false, false))
using (MapPackage newPackage = new MapPackage(osz2FilenameNew, NewKey, true, false))
{
Dictionary <MapMetaType, string> metaData = oldPackage.GetAllMetadata();
foreach (KeyValuePair <MapMetaType, string> mapMeta in metaData)
{
newPackage.AddMetadata(mapMeta.Key, mapMeta.Value);
}
List <FileInfo> fileInfo = oldPackage.GetFileInfo();
foreach (FileInfo fo in fileInfo)
{
using (var br = new BinaryReader(oldPackage.GetFile(fo.Filename)))
{
newPackage.AddFile(fo.Filename, br.ReadBytes((int)br.BaseStream.Length),
fo.CreationTime, fo.ModifiedTime);
}
}
newPackage.Save();
}
s3putFile("osz2/" + TargetPackage, osz2FilenameNew);
File.Delete(osz2FilenameNew);
}
catch (Exception e)
{
File.Delete(osz2FilenameOld);
File.Delete(osz2FilenameNew);
log(e);
}
return((int)UpdateResponseCode.UpdateSuccessful);
}
