public void AddItem(MultiReader source, string name, long uniqueID)
{
//Add to the queue
this.uploadQueue.Add(new UploadItem {
mr = source, filename = name, id = uniqueID
});
}
public static IEnumerable <(string filename, MultiReader stream)> GetUnzippedStreams(Stream zipFile)
{
//Determine the folder to unzip to
var dst = Path.Combine(Utility.GetTempDirectory(), Path.GetRandomFileName() + Path.DirectorySeparatorChar);
//Make sure the folder exists
Directory.CreateDirectory(dst);
//Open the zip archive
var zip = new ZipArchive(zipFile, ZipArchiveMode.Read, true);
//Get only the files with an extension we recognize
var files = zip.Entries.Where(e =>
{
//Check that it's not a directory
if (e.FullName.EndsWith('/'))
{
return(false);
}
//Get extension
string ext = Path.GetExtension(e.Name);
//Check if the file has no extension
if (string.IsNullOrEmpty(ext))
{
return(true);
}
//Check if it's an accepted extension
switch (ext)
{
case ".zip":
case ".evtc":
case ".zevtc":
case ".tmp":
return(true);
default: return(false);
}
});
//Eliminate any large files (>50MB)
files = files.Where(e => e.Length <= 5e+7);
//Go through the files
foreach (var file in files)
{
//Check if it's another .zip file
if (file.Name.EndsWith(".zip") || file.Name.EndsWith(".zevtc"))
{
//Recursively open
foreach (var nestedFile in GetUnzippedStreams(file.Open()))
{
yield return(nestedFile);
}
}
else
{
//Get the file name with .evtc extension
var outputName = Path.ChangeExtension(file.Name, ".evtc");
//Extract the file
var path = Path.Combine(dst, outputName);
file.ExtractToFile(path);
//Open a stream to it
var stream = new MultiReader(path);
//Yield the stream
yield return(outputName, stream);
}
}
}
