Move extractable file types to new library

BinaryObjectScanner.FileType/BZip2.cs

@@ -0,0 +1,53 @@
+using System;
+using System.IO;
+using BinaryObjectScanner.Interfaces;
+using SharpCompress.Compressors;
+using SharpCompress.Compressors.BZip2;
+
+namespace BinaryObjectScanner.FileType
+{
+    /// <summary>
+    /// bzip2 archive
+    /// </summary>
+    public class BZip2 : IExtractable
+    {
+        /// <inheritdoc/>
+        public string Extract(string file, bool includeDebug)
+        {
+            if (!File.Exists(file))
+                return null;
+
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            {
+                return Extract(fs, file, includeDebug);
+            }
+        }
+
+        /// <inheritdoc/>
+        public string Extract(Stream stream, string file, bool includeDebug)
+        {
+            try
+            {
+                // Create a temp output directory
+                string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+                Directory.CreateDirectory(tempPath);
+
+                using (BZip2Stream bz2File = new BZip2Stream(stream, CompressionMode.Decompress, true))
+                {
+                    string tempFile = Path.Combine(tempPath, Guid.NewGuid().ToString());
+                    using (FileStream fs = File.OpenWrite(tempFile))
+                    {
+                        bz2File.CopyTo(fs);
+                    }
+                }
+
+                return tempPath;
+            }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.WriteLine(ex);
+                return null;
+            }
+        }
+    }
+}