Add RealArcade detection (#300)

BinaryObjectScanner/Protection/RealArcade.cs

@@ -0,0 +1,75 @@
+using System;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
+using System.Collections.Generic;
+using System.Linq;
+using BinaryObjectScanner.Interfaces;
+using SabreTools.Matching;
+using SabreTools.Serialization.Wrappers;
+
+namespace BinaryObjectScanner.Protection
+{
+    /// <summary>
+    /// RealArcade was a game platform that allowed users to play timed demos of games, and then prompted them to purchase the game in order to play the game without a limit.
+    /// Although the servers are long dead, there is a community project actively being developed to allow users to properly download and play these games.
+    /// Links:
+    /// https://github.com/lightbulbatelier/RealArcade-DGA
+    /// https://archive.org/details/realrcade-games-preservation-project
+    /// </summary>
+    public class RealArcade : IPathCheck, IPortableExecutableCheck
+    {
+        /// <inheritdoc/>
+        public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
+        {
+            // Get the sections from the executable, if possible
+            var sections = pex.Model.SectionTable;
+            if (sections == null)
+                return null;
+
+            // Get the .data section strings, if they exist
+            var strs = pex.GetFirstSectionStrings(".data");
+            if (strs != null)
+            {
+                // Found in "rebound.exe" in the installation directory for "Rebound" in IA item "Nova_RealArcadeCD_USA".
+                if (strs.Any(s => s.Contains("RngInterstitialDLL")))
+                    return "RealArcade";
+            }
+
+            // Found in "RngInterstitial.dll" in the RealArcade installation directory in IA item "Nova_RealArcadeCD_USA".
+            var name = pex.FileDescription;
+            if (name?.Contains("RngInterstitial") == true)
+                return "RealArcade";
+
+            return null;
+        }
+
+        /// <inheritdoc/>
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
+#else
+        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
+#endif
+        {
+            var matchers = new List<PathMatchSet>
+            {
+                // ".rgs" and ".mez" files are also associated with RealArcade.
+                new(new FilePathMatch("RngInterstitial.dll"), "RealArcade"),
+            };
+
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
+        }
+
+        /// <inheritdoc/>
+        public string? CheckFilePath(string path)
+        {
+            var matchers = new List<PathMatchSet>
+            {
+                // ".rgs" and ".mez" files are also associated with RealArcade.
+                new(new FilePathMatch("RngInterstitial.dll"), "RealArcade"),
+            };
+
+            return MatchUtil.GetFirstMatch(path, matchers, any: true);
+        }
+    }
+}