public override Stream GetResponseStream()
{
Stream compressed = null;
var responseStream = _response.GetResponseStream();
//#if !WindowsPhone
if ((_response.Headers["Accept-Encoding"] != null && _response.Headers["Accept-Encoding"].Contains("gzip")) // Accept-Encoding? In responses?
|| _response.Headers["Content-Encoding"] != null && _response.Headers["Content-Encoding"].Contains("gzip"))
{
compressed = new GZipInputStream(responseStream);
}
else if ((_response.Headers["Accept-Encoding"] != null && _response.Headers["Accept-Encoding"].Contains("deflate"))
|| (_response.Headers["Content-Encoding"] != null && _response.Headers["Content-Encoding"].Contains("deflate")))
{
compressed = new ZipInputStream(responseStream);
}
//#else
if (compressed == null)
{
byte[] marker;
responseStream = ReadIntoMemoryStream(responseStream, out marker);
if (marker.Length > 2 && (marker[0] == 31 && marker[1] == 139))
{
compressed = new GZipInputStream(responseStream);
}
}
//#endif
if (compressed != null)
{
var decompressed = new MemoryStream();
var size = ChunkSize;
var buffer = new byte[ChunkSize];
while (true)
{
size = compressed.Read(buffer, 0, size);
if (size > 0)
{
decompressed.Write(buffer, 0, size);
}
else
{
break;
}
}
decompressed.Seek(0, SeekOrigin.Begin);
return decompressed;
}
return responseStream;
}
public static async Task UnzipFromStream(Stream pZipStream,StorageFolder pDestinationFolder, List<string> pIgnore )
{
var zipInputStream = new ZipInputStream(pZipStream);
var zipEntry = zipInputStream.GetNextEntry();
while (zipEntry != null)
{
var entryFileName = (string)zipEntry.Name;
byte[] buffer = new byte[4096];
// Manipulate the output filename here as desired.
var directoryName = Path.GetDirectoryName(entryFileName);
var fileName = Path.GetFileName(entryFileName);
if (!pIgnore.Contains(fileName.ToLower()))
{
var outFolder = directoryName == null || directoryName.Length == 0
? pDestinationFolder
: await GetOrCreateSubFolder(pDestinationFolder, directoryName);
StorageFile outFile = null;
try
{
outFile = await outFolder.GetFileAsync(fileName);
}
catch (Exception)
{
}
if (outFile == null)
outFile = await outFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
using (var outStream = await outFile.OpenStreamForWriteAsync())
{
StreamUtils.Copy(zipInputStream, outStream, buffer);
}
}
zipEntry = zipInputStream.GetNextEntry();
}
}
