Add CFBF extractor

Catswords.DataType.Client/Catswords.DataType.Client.csproj

@@ -61,6 +61,9 @@
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.IO.Packaging, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.IO.Packaging.8.0.0\lib\net462\System.IO.Packaging.dll</HintPath>
+    </Reference>
     <Reference Include="System.IO.Pipelines, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\System.IO.Pipelines.8.0.0\lib\net462\System.IO.Pipelines.dll</HintPath>
     </Reference>
@@ -87,12 +90,14 @@
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
+    <Reference Include="WindowsBase" />
     <Reference Include="XmpCore, Version=6.1.10.1, Culture=neutral, PublicKeyToken=961f4f366277b80e, processorArchitecture=MSIL">
       <HintPath>..\packages\XmpCore.6.1.10.1\lib\net35\XmpCore.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Config.cs" />
+    <Compile Include="Model\CfbfPartInfo.cs" />
     <Compile Include="Model\HashInfo.cs" />
     <Compile Include="Worker1.cs" />
     <Compile Include="Main.cs">
@@ -108,7 +113,7 @@
       <DependentUpon>UserControl2.cs</DependentUpon>
     </Compile>
     <Compile Include="Helper\ApkManifestExtractor.cs" />
-    <Compile Include="Helper\CbpfExtractor.cs" />
+    <Compile Include="Helper\CfbfExtractor.cs" />
     <Compile Include="Helper\FileHasher.cs" />
     <Compile Include="Helper\FileExtensionDatabase.cs" />
     <Compile Include="Helper\PeOrganizationExtractor.cs" />

Catswords.DataType.Client/Helper/CbpfExtractor.cs

@@ -1,14 +0,0 @@
-namespace Catswords.DataType.Client.Helper
-{
-    public class CbpfExtractor
-    {
-        private string FilePath;
-
-        public CbpfExtractor(string filePath)
-        {
-            FilePath = filePath;
-        }
-
-
-    }
-}

Catswords.DataType.Client/Helper/CfbfExtractor.cs

@@ -0,0 +1,71 @@
+using Catswords.DataType.Client.Model;
+using System.Collections.Generic;
+using System.IO.Packaging;
+using System.IO;
+
+namespace Catswords.DataType.Client.Helper
+{
+    public class CfbfExtractor
+    {
+        private string FilePath;
+
+        public CfbfExtractor(string filePath)
+        {
+            FilePath = filePath;
+        }
+
+        public List<CfbfPartInfo> GetParts()
+        {
+            List<CfbfPartInfo> partInfoList = new List<CfbfPartInfo>();
+
+            if (!IsValidFormat())
+            {
+                return partInfoList;
+            }
+
+            using (Package package = Package.Open(FilePath, FileMode.Open, FileAccess.Read))
+            {
+                foreach (PackagePart part in package.GetParts())
+                {
+                    CfbfPartInfo partInfo = new CfbfPartInfo();
+                    partInfo.URI = part.Uri.ToString();
+                    partInfo.ContentType = part.ContentType;
+
+                    using (Stream stream = part.GetStream(FileMode.Open, FileAccess.Read))
+                    {
+                        using (StreamReader reader = new StreamReader(stream))
+                        {
+                            partInfo.Content = reader.ReadToEnd();
+                        }
+                    }
+
+                    partInfoList.Add(partInfo);
+                }
+            }
+
+            return partInfoList;
+        }
+
+        public bool IsValidFormat()
+        {
+            // CFBF 파일 시그니처 확인
+            byte[] signatureBytes = { 0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1 };
+            byte[] fileBytes = new byte[signatureBytes.Length];
+
+            using (FileStream fileStream = new FileStream(FilePath, FileMode.Open, FileAccess.Read))
+            {
+                fileStream.Read(fileBytes, 0, signatureBytes.Length);
+            }
+
+            for (int i = 0; i < signatureBytes.Length; i++)
+            {
+                if (fileBytes[i] != signatureBytes[i])
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+}

Catswords.DataType.Client/Model/CfbfPartInfo.cs

@@ -0,0 +1,9 @@
+namespace Catswords.DataType.Client.Model
+{
+    public class CfbfPartInfo: Timestamp
+    {
+        public string URI { get; set; }
+        public string ContentType { get; set; }
+        public string Content { get; set; }
+    }
+}

Catswords.DataType.Client/Worker1.cs

@@ -1,5 +1,6 @@
 using Catswords.DataType.Client.Helper;
 using Catswords.DataType.Client.Model;
+using MetadataExtractor;
 using System;
 using System.Threading.Tasks;
 
@@ -140,6 +141,16 @@ namespace Catswords.DataType.Client
             }
         }
 
+        public void FormCfbf()
+        {
+            var extractor = new CfbfExtractor(Parent.FilePath);
+            var parts = extractor.GetParts();
+            foreach (CfbfPartInfo part in parts)
+            {
+                Parent.AddIndicator(DateTime.Now, $"CFBF: {part.Content} ({part.ContentType}, {part.URI})", 5);
+            }
+        }
+
         public void Run()
         {
             new Task(() =>
@@ -148,7 +159,8 @@ namespace Catswords.DataType.Client
                 FromAndroidManifest();    // Get data from Android manifest
                 FromTimeline();   // Get data from timeline
                 FromLinks();  // Get links from file
-                FromExif();  //  Get EXIF tags from file
+                FromExif();  // Get EXIF tags from file
+                FormCfbf();  // Get CFBF (aka. OLE) parts from file
             }).Start();
         }
     }

Catswords.DataType.Client/packages.config

@@ -6,6 +6,7 @@
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net48" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net48" />
   <package id="System.IO.Compression.ZipFile" version="4.3.0" targetFramework="net48" />
+  <package id="System.IO.Packaging" version="8.0.0" targetFramework="net48" />
   <package id="System.IO.Pipelines" version="8.0.0" targetFramework="net48" />
   <package id="System.Memory" version="4.5.5" targetFramework="net48" />
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />