Verify command

.github/workflows/build.yml

@@ -22,9 +22,6 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 9.0.x
-        
-    - name: Restore dependencies
-      run: dotnet restore
       
     - name: Build
       run: dotnet publish ${{ matrix.project }}/${{ matrix.project }}.csproj -f ${{ matrix.framework }} -r ${{ matrix.runtime }} -c Release -p:DebugType=None -p:DebugSymbols=false
@@ -34,3 +31,43 @@ jobs:
       with:
         name: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}
         path: ${{ matrix.project }}/bin/Release/${{ matrix.framework }}/${{ matrix.runtime }}/publish/*
+      
+  pack:
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        project: [LibIRD]
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: 'true'
+
+    - name: Setup MSBuild
+      uses: microsoft/setup-msbuild@v2
+
+    - name: Setup NuGet
+      uses: NuGet/setup-nuget@v1
+      with:
+        nuget-version: 'latest'
+    
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 9.0.x
+
+    - name: Restore NuGet packages
+      run: nuget restore LibIRD/LibIRD.csproj
+
+    - name: Build
+      run: msbuild ${{ matrix.project }}/${{ matrix.project }}.csproj /p:Configuration=Release
+
+    - name: Pack
+      run: dotnet pack ${{ matrix.project }}/${{ matrix.project }}.csproj -c Release -o ./artifacts
+        
+    - name: Upload nupkg
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.project }}
+        path: ./artifacts/*.nupkg

IRDKit/Program.cs

@@ -113,6 +113,19 @@ namespace IRDKit
             public bool Verbose { get; set; }
         }
 
+        /// <summary>
+        /// IRD verify command
+        /// </summary>
+        [Verb("verify", HelpText = "Verify a folder using an IRD")]
+        public class VerifyOptions
+        {
+            [Value(0, Required = true, HelpText = "Path to IRD file to use for validation")]
+            public string IRDPath { get; set; }
+            
+            [Value(1, Required = true, HelpText = "Folder path to validate")]
+            public string FolderPath { get; set; }
+        }
+
         #endregion
 
         #region Program
@@ -127,7 +140,7 @@ namespace IRDKit
             Console.OutputEncoding = Encoding.UTF8;
 
             // Parse arguments
-            var result = Parser.Default.ParseArguments<CreateOptions, InfoOptions, DiffOptions, RenameOptions>(args).WithParsed(Run);
+            var result = Parser.Default.ParseArguments<CreateOptions, InfoOptions, DiffOptions, RenameOptions, VerifyOptions>(args).WithParsed(Run);
         }
 
         /// <summary>
@@ -452,6 +465,60 @@ namespace IRDKit
 
                     break;
 
+                // Process options from a 'rename' command
+                case VerifyOptions opt:
+
+                    string verifyIRDPath = opt.IRDPath;
+                    string verifyFolderPath = opt.FolderPath;
+
+                    // Validate required parameters
+                    if (string.IsNullOrEmpty(verifyIRDPath))
+                    {
+                        Console.Error.WriteLine("Provide a IRD path to verify with");
+                        return;
+                    }
+                    if (string.IsNullOrEmpty(verifyFolderPath))
+                    {
+                        Console.Error.WriteLine("Provide a folder path to verify");
+                        return;
+                    }
+
+                    bool switched = false;
+                    if (!File.Exists(verifyIRDPath))
+                    {
+                        // Check if arguments are switched
+                        if (File.Exists(verifyFolderPath))
+                        {
+                            switched = true;
+                            string temp = verifyIRDPath;
+                            verifyIRDPath = verifyFolderPath;
+                            verifyFolderPath = temp;
+                        }
+                        else
+                        {
+                            Console.Error.WriteLine("Provide a valid IRD file to verify with");
+                            return;
+                        }
+                    }
+
+                    if (!Directory.Exists(verifyFolderPath))
+                    {
+                        if (switched)
+                        {
+                            Console.Error.WriteLine("Provide a valid IRD file to verify with");
+                            return;
+                        }
+                        else
+                        {
+                            Console.Error.WriteLine("Provide a valid folder path to verify");
+                            return;
+                        }
+                    }
+
+                    VerifyIRD(verifyIRDPath, verifyFolderPath);
+
+                    break;
+
                 // Unknown command
                 default:
                     break;
@@ -772,6 +839,32 @@ namespace IRDKit
                 Console.WriteLine(printText.ToString());
         }
 
+        /// <summary>
+        /// Verify a folder matches against an IRD
+        /// </summary>
+        /// <param name="irdPath">IRD path to verify with</param>
+        /// <param name="folderPath">Folder containing files to verify against</param>
+        public static void VerifyIRD(string irdPath, string folderPath)
+        {
+            // Get file paths and their hashes to verify with
+            var fileHashes = IRD.Read(irdPath).GetFileHashes();
+
+            // Check that all files and their hashes exist in the folder path
+            foreach (var kvp in fileHashes)
+            {
+                string filePath = Path.Combine(folderPath, kvp.Key);
+                if (!File.Exists(filePath))
+                {
+                    Console.WriteLine($"{filePath} doesn't exist");
+                    continue;
+                }
+                var hash = HashTool.GetFileHashArray(filePath, HashType.MD5);
+                if (!hash.SequenceEqual(kvp.Value))
+                    Console.WriteLine($"{filePath}: {IRD.ByteArrayToHexString(hash)}");
+            }
+            Console.WriteLine("Verification complete!");
+        }
+
         /// <summary>
         /// Creates an IRD file from an ISO file
         /// </summary>

LibIRD/IRD.cs

@@ -1733,7 +1733,83 @@ namespace LibIRD
             }
         }
 
-#endregion
+        #endregion
+
+        #region IRD Validation
+
+        /// <summary>
+        /// Returns dictionary of file paths and their offset
+        /// </summary>
+        /// <param name="cd">CDReader object</param>
+        public Dictionary<string, byte[]> GetFileHashes()
+        {
+            using MemoryStream headerStream = new MemoryStream(Header);
+            using GZipStream gzStream = new GZipStream(headerStream, CompressionMode.Decompress);
+            using MemoryStream isoStream = new MemoryStream();
+#if NETCOREAPP || NETSTANDARD || NET40_OR_GREATER
+            gzStream.CopyTo(isoStream);
+#else
+            byte[] buffer = new byte[SectorSize];
+            int bytesRead;
+            while ((bytesRead = gzStream.Read(buffer, 0, buffer.Length)) > 0)
+            {
+                isoStream.Write(buffer, 0, bytesRead);
+            }
+#endif
+            isoStream.Position = 0;
+            using CDReader reader = new CDReader(isoStream);
+
+            // Get all file paths and their offsets
+            var files = new Dictionary<string, long>();
+            DiscDirectoryInfo rootDir = reader.GetDirectoryInfo("\\");
+            GetFileOffsets(reader, rootDir, files);
+
+            // Get all paths at each offset
+            var offsetToHash = new Dictionary<long, byte[]>();
+            for (int i = 0; i < FileCount; i++)
+                offsetToHash[FileKeys[i]] = FileHashes[i];
+
+            // Return dictionary of paths and hashes
+            var result = new Dictionary<string, byte[]>();
+            foreach (KeyValuePair<string, long> kvp in files)
+            {
+                if (offsetToHash.ContainsKey(kvp.Value))
+                    result[kvp.Key] = offsetToHash[kvp.Value];
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// Gets all file paths from the ISO header
+        /// </summary>
+        /// <param name="reader">CDReader object</param>
+        /// <param name="path">Path to look within</param>
+        /// <param name="files">Dictionary of files and their offset</param>
+        public void GetFileOffsets(CDReader reader, DiscDirectoryInfo path, Dictionary<string, long> files)
+        {
+            foreach (DiscFileInfo fileInfo in path.GetFiles())
+            {
+                string filePath = fileInfo.FullName;
+                Range<long, long>[] fileExtent = reader.PathToClusters(filePath);
+                if (fileExtent == null && fileExtent.Length == 0)
+                    throw new IOException($"Unexpected file extents for {filePath}");
+                long offset = fileExtent[0].Offset;
+                for (int i = 1; i < fileExtent.Length; i++)
+                {
+                    if (fileExtent[i] == null)
+                        throw new IOException($"Unexpected file extents for {filePath}");
+                    if (fileExtent[i].Offset < offset)
+                        offset = fileExtent[i].Offset;
+                }
+                files[filePath] = offset;
+            }
+            foreach (DiscDirectoryInfo dirInfo in path.GetDirectories())
+            {
+                GetFileOffsets(reader, dirInfo, files);
+            }
+        }
+
+        #endregion
 
         #region Helper Functions
 

LibIRD/LibIRD.csproj

@@ -2,12 +2,12 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
+    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <LangVersion>latest</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <Version>0.9.4</Version>
+    <Version>0.9.5</Version>
     <PackageOutputPath>../nupkg</PackageOutputPath>
 
     <!-- Avoid inexact read with 'System.IO.Stream.Read' -->
@@ -24,14 +24,6 @@
     <PackageLicenseExpression>GPL-3.0-only</PackageLicenseExpression>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
   </PropertyGroup>
-  
-  <PropertyGroup Condition="$(RuntimeIdentifier.StartsWith(`osx-arm`))">
-    <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
-  </PropertyGroup>
-  
-  <PropertyGroup Condition="!$(RuntimeIdentifier.StartsWith(`osx-arm`))">
-    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
-  </PropertyGroup>
 
   <ItemGroup>
     <None Include="./README.md" Pack="true" PackagePath="" />
@@ -44,7 +36,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="SabreTools.Hashing" Version="1.4.0" />
+    <PackageReference Include="SabreTools.Hashing" Version="1.5.0" />
   </ItemGroup>
 
 </Project>