public static bool TryReadReleaseDate(this PlatformZipInfo zipInfo, out DateTime releaseDate)
{
releaseDate = DateTime.MinValue;
try
{
using (var zip = ZipFile.Read(zipInfo.FilePath))
{
var entry = zip.Entries.FirstOrDefault(p => Path.GetFileName(p.FileName) == zipInfo.MainEntrypoint);
if (entry == null)
{
return(false);
}
var tempPath = Path.GetTempPath();
var tempFile = Path.Combine(tempPath, entry.FileName);
try
{
entry.Extract(tempPath, ExtractExistingFileAction.OverwriteSilently);
return(ReleaseDateReader.TryReadReleaseDateAttribute(tempFile, out releaseDate));
}
finally
{
File.Delete(tempFile);
}
}
}
catch
{
return(false);
}
}
public static void ValidateZip(this PlatformZipInfo zipInfo)
{
if (!zipInfo.Present)
{
throw new FileNotFoundException($"No {zipInfo.Name} zip file found", zipInfo.FilePath);
}
if (!ZipFile.CheckZip(zipInfo.FilePath))
{
throw new Exception($"Corrupt Zip File - {zipInfo.FilePath}");
}
}