#8: Adding in byte array and stream extensions for extract attachments

Author: kevbite

src/Kevsoft.PDFtk/PDFtkByteArrayExtensions.cs

@@ -141,7 +141,19 @@ public static async Task<IPDFtkResult<byte[]>> ReplacePage(this IPDFtk pdftk, by
 
             return await pdftk.ReplacePage(inputFile.TempFileName, page, stampFile.TempFileName);
         }
-        
+
+        /// <summary>
+        /// Extracts attachments from a PDF file.
+        /// </summary>
+        /// <param name="pdftk">The IPDFtk object.</param>
+        /// <param name="fileBytes">A byte array of the PDF file input.</param>
+        /// <returns>A result with the attachments.</returns>
+        public static async Task<IPDFtkResult<IEnumerable<KeyValuePair<string, byte[]>>>> ExtractAttachments(this IPDFtk pdftk, byte[] fileBytes)
+        {
+            using var inputFile = await TempPDFtkFile.FromAsync(fileBytes);
+
+            return await pdftk.ExtractAttachments(inputFile.TempFileName);
+        }
 
     }
 }

src/Kevsoft.PDFtk/PDFtkStreamExtensions.cs

@@ -138,5 +138,18 @@ public static async Task<IPDFtkResult<byte[]>> ReplacePage(this IPDFtk pdftk, St
 
             return await pdftk.ReplacePage(inputFile.TempFileName, page, stampFile.TempFileName);
         }
+
+        /// <summary>
+        /// Extracts attachments from a PDF file.
+        /// </summary>
+        /// <param name="pdftk">The IPDFtk object.</param>
+        /// <param name="pdfFile">A stream of the PDF file input.</param>
+        /// <returns>A result with the attachments.</returns>
+        public static async Task<IPDFtkResult<IEnumerable<KeyValuePair<string, byte[]>>>> ExtractAttachments(this IPDFtk pdftk, Stream pdfFile)
+        {
+            using var inputFile = await TempPDFtkFile.FromAsync(pdfFile);
+
+            return await pdftk.ExtractAttachments(inputFile.TempFileName);
+        }
     }
 }