CLI/GUI: Support AAB files

Il2CppInspector.CLI/Program.cs

@@ -20,10 +20,10 @@ namespace Il2CppInspector.CLI
     {
         private class Options
         {
-            [Option('i', "bin", Required = false, Separator = ',', HelpText = "IL2CPP binary, APK or IPA input file(s) (single file or comma-separated list for split APKs)", Default = new[] { "libil2cpp.so" })]
+            [Option('i', "bin", Required = false, Separator = ',', HelpText = "IL2CPP binary, APK, AAB or IPA input file(s) (single file or comma-separated list for split APKs)", Default = new[] { "libil2cpp.so" })]
             public IEnumerable<string> BinaryFiles { get; set; }
 
-            [Option('m', "metadata", Required = false, HelpText = "IL2CPP metadata file input (ignored for APK/IPA)", Default = "global-metadata.dat")]
+            [Option('m', "metadata", Required = false, HelpText = "IL2CPP metadata file input (ignored for APK/AAB/IPA)", Default = "global-metadata.dat")]
             public string MetadataFile { get; set; }
 
             [Option('c', "cs-out", Required = false, HelpText = "C# output file (when using single-file layout) or path (when using per namespace, assembly or class layout)", Default = "types.cs")]

Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs

@@ -381,7 +381,7 @@ namespace Il2CppInspector
         }
 
         #region Loaders
-        // Finds and extracts the metadata and IL2CPP binary from one or more APK files, or one IPA file into MemoryStreams
+        // Finds and extracts the metadata and IL2CPP binary from one or more APK files, or one AAB or IPA file into MemoryStreams
         // Returns null if package not recognized or does not contain an IL2CPP application
         public static (MemoryStream Metadata, MemoryStream Binary)? GetStreamsFromPackage(IEnumerable<string> packageFiles, bool silent = false) {
             try {
@@ -401,8 +401,8 @@ namespace Il2CppInspector
                 // There are three possibilities:
                 // - A single IPA file containing global-metadata.dat and a single binary supporting one or more architectures
                 //   (we return the binary inside the IPA to be loaded by MachOReader for single arch or UBReader for multi arch)
-                // - A single APK file containing global-metadata.dat and one or more binaries (one per architecture)
+                // - A single APK or AAB file containing global-metadata.dat and one or more binaries (one per architecture)
-                //   (we return the entire APK to be loaded by APKReader)
+                //   (we return the entire APK or AAB to be loaded by APKReader or AABReader)
                 // - Multiple APK files, one of which contains global-metadadata.dat and the others contain one binary each
                 //   (we return all of the binaries re-packed in memory to a new Zip file, to be loaded by APKReader)
                 foreach (var file in packageFiles) {
@@ -492,7 +492,7 @@ namespace Il2CppInspector
             }
         }
 
-        // Load from an IPA or one or more APK files
+        // Load from an AAB, IPA or one or more APK files
         public static List<Il2CppInspector> LoadFromPackage(IEnumerable<string> packageFiles, bool silent = false) {
             var streams = GetStreamsFromPackage(packageFiles, silent);
             if (!streams.HasValue)

Il2CppInspector.GUI/MainWindow.xaml

@@ -451,7 +451,7 @@
                 <TextBlock TextAlignment="Center">
                     <TextBlock FontSize="22">Option 2</TextBlock>
                     <LineBreak/>
-                    <TextBlock>Select or drag &amp; drop one or more APK files or an IPA file</TextBlock>
+                    <TextBlock>Select or drag &amp; drop one or more APK files, an AAB or IPA file</TextBlock>
                     <LineBreak/>
                     <TextBlock FontSize="16">Encrypted IPA files are not supported</TextBlock>
                 </TextBlock>

Il2CppInspector.GUI/MainWindow.xaml.cs

@@ -137,11 +137,11 @@ namespace Il2CppInspectorGUI
         }
 
         /// <summary>
-        /// Select APK or IPA package files
+        /// Select APK, AAB or IPA package files
         /// </summary>
         private async void BtnSelectPackageFile_OnClick(object sender, RoutedEventArgs e) {
             var openFileDialog = new OpenFileDialog {
-                Filter = "Android/iOS Application Package (*.apk;*.ipa;*.zip)|*.apk;*.ipa;*.zip|All files (*.*)|*.*",
+                Filter = "Android/iOS Application Package (*.apk;*.aab;*.ipa;*.zip)|*.apk;*.aab;*.ipa;*.zip|All files (*.*)|*.*",
                 CheckFileExists = true,
                 Multiselect = true
             };
@@ -545,14 +545,14 @@ namespace Il2CppInspectorGUI
                 string[] files = (string[]) e.Data.GetData(DataFormats.FileDrop);
 
                 if (grdFirstPage.Visibility == Visibility.Visible) {
-                    // Metadata or APK/IPA
+                    // Metadata or APK/AAB/IPA
                     if (files.Length == 1) {
                         switch (files[0].ToLower()) {
                             case var s when s.EndsWith(".dat"):
                                 await LoadMetadataAsync(s);
                                 break;
 
-                            case var s when s.EndsWith(".apk") || s.EndsWith(".ipa") || s.EndsWith(".zip"):
+                            case var s when s.EndsWith(".apk") || s.EndsWith(".aab") || s.EndsWith(".ipa") || s.EndsWith(".zip"):
                                 await LoadPackageAsync(s);
                                 break;
                         }

README.md

@@ -41,7 +41,7 @@ You can read more about IL2CPP in my series [IL2CPP Reverse Engineering](https:/
 File format and architecture support:
 
 * Supports ELF (Android .so), PE (Windows .exe), Mach-O (Apple iOS/Mac), Universal Binary (Fat Mach-O) and FSELF (PlayStation 4 .prx/.sprx) file formats
-* Also supports single and split APK (Android) and decrypted IPA (iOS) application package files as input
+* Also supports single and split APK (Android), AAB (Android App Bundle) and decrypted IPA (iOS) application package files as input
 * 32-bit and 64-bit support for all file formats
 * Supports ARMv7, Thumb-2, ARMv8 (A64), x86 and x64 architectures regardless of file format
 * Supports applications created with Unity 5.3.0 onwards (full IL2CPP version table below)
@@ -109,9 +109,9 @@ Run `Il2CppInspector.exe` at the command prompt.
 File format and architecture are automatically detected.
 
 ```
-  -i, --bin                   (Default: libil2cpp.so) IL2CPP binary, APK or IPA input file(s) (single file or comma-separated list for split APKs)
+  -i, --bin                   (Default: libil2cpp.so) IL2CPP binary, APK, AAB or IPA input file(s) (single file or comma-separated list for split APKs)
 
-  -m, --metadata              (Default: global-metadata.dat) IL2CPP metadata file input (ignored for APK/IPA)
+  -m, --metadata              (Default: global-metadata.dat) IL2CPP metadata file input (ignored for APK/AAB/IPA)
 
   -c, --cs-out                (Default: types.cs) C# output file (when using single-file layout) or path (when using per namespace, assembly or class layout)