Move packer scans to their own library

BinaryObjectScanner.Packer/SetupFactory.cs

@@ -0,0 +1,74 @@
+using System;
+using System.IO;
+using BinaryObjectScanner.Interfaces;
+using BinaryObjectScanner.Wrappers;
+
+namespace BinaryObjectScanner.Packer
+{
+    // TODO: Add extraction, which is possible but the only tools available that can
+    // do this seem to be Universal Extractor 2 and InstallExplorer (https://totalcmd.net/plugring/InstallExplorer.html)
+    // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
+    public class SetupFactory : IExtractable, IPortableExecutableCheck
+    {
+        /// <inheritdoc/>
+        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
+        {
+            // Get the sections from the executable, if possible
+            var sections = pex?.SectionTable;
+            if (sections == null)
+                return null;
+
+            // Known to detect versions 7.0.5.1 - 9.1.0.0
+            string name = pex.LegalCopyright;
+            if (name?.StartsWith("Setup Engine", StringComparison.OrdinalIgnoreCase) == true)
+                return $"Setup Factory {GetVersion(pex)}";
+
+            name = pex.ProductName;
+            if (name?.StartsWith("Setup Factory", StringComparison.OrdinalIgnoreCase) == true)
+                return $"Setup Factory {GetVersion(pex)}";
+
+            // Known to detect version 5.0.1 - 6.0.1.3
+            name = pex.FileDescription;
+            if (name?.StartsWith("Setup Factory", StringComparison.OrdinalIgnoreCase) == true)
+                return $"Setup Factory {GetVersion(pex)}";
+
+            // Longer version of the check that can be used if false positves become an issue:
+            // "Setup Factory is a trademark of Indigo Rose Corporation"
+
+            return null;
+        }
+
+        /// <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)
+        {
+            return null;
+        }
+    
+        private string GetVersion(PortableExecutable pex)
+        {
+            // Check the product version explicitly
+            string version = pex.ProductVersion;
+            if (!string.IsNullOrEmpty(version))
+                return version;
+
+            // Check the internal versions
+            version = pex.GetInternalVersion();
+            if (!string.IsNullOrEmpty(version))
+                return version;
+
+            return "(Unknown Version)";
+        }
+    }
+}