New: Multi target net framework 4.6.2 and net core 3.0

src/NzbDrone.Common/Extensions/GzipExtensions.cs

@@ -0,0 +1,30 @@
+using System.IO;
+using System.IO.Compression;
+
+namespace NzbDrone.Common.Extensions
+{
+    public static class GzipExtensions
+    {
+        public static byte[] Decompress(this byte[] data)
+        {
+            using (var compressedStream = new MemoryStream(data))
+            using (var gzip = new GZipStream(compressedStream, CompressionMode.Decompress))
+            using (var decompressedStream = new MemoryStream())
+            {
+                gzip.CopyTo(decompressedStream);
+                return decompressedStream.ToArray();
+            }
+        }
+
+        public static byte[] Compress(this byte[] data)
+        {
+            using (var compressedStream = new MemoryStream())
+            using (var zipStream = new GZipStream(compressedStream, CompressionMode.Compress))
+            {
+                zipStream.Write(data, 0, data.Length);
+                zipStream.Close();
+                return compressedStream.ToArray();
+            }
+        }
+    }
+}