public static Exception UnzipFile(string zipFile, string outputDirectory, UnzipOptions options)
{
options = options ?? new UnzipOptions();
try
{
var root = new DirectoryInfo(outputDirectory);
root.Create();
var rootPath = root.FullName + "/";
using (var zip = (IDisposable)ZipArchive_OpenOnFile.Invoke(null, new object[] { zipFile, FileMode.Open, FileAccess.Read, FileShare.Read, false }))
{
var ioManager = ZipArchive_ZipIOBlockManager.GetValue(zip);
ZipIOBlockManager_Encoding.SetValue(ioManager, new WarpedEncoding(options.Encoding ?? Encoding.Default));
var files = (IEnumerable)ZipArchive_GetFiles.Invoke(zip, new object[] { });
IEnumerable <string> exclude = (options.Exclude ?? new List <string>());
if (exclude.Count() > 1000)
{
exclude = exclude.AsParallel();
}
foreach (var item in files)
{
var name = (string)ZipFileInfo_Name.GetValue(item, null);
if (exclude.Any(name.StartsWith))
{
continue;
}
if ((bool)ZipFileInfo_FolderFlag.GetValue(item, null) || name.Last() == '/')
{
Directory.CreateDirectory(rootPath + name);
continue;
}
using (var stream = (Stream)ZipFileInfo_GetStream.Invoke(item, new object[] { FileMode.Open, FileAccess.Read }))
{
var filePath = rootPath + name;
var directoryInfo = new FileInfo(filePath).Directory;
if (directoryInfo != null)
{
directoryInfo.Create();
}
using (var fs = new FileStream(filePath, FileMode.Create))
{
stream.CopyTo(fs);
}
}
}
}
return(null);
}
catch (Exception exp)
{
return(exp);
}
}
public static bool Unzip(string zipFile, string outputDirectory, UnzipOptions options)
{
return(UnzipFile(zipFile, outputDirectory, options) == null);
}
