Added Blogger posting OAuth sample.

1 files changed, 48 insertions, 1 deletions

diff --git a/samples/DotNetOpenAuth.ApplicationBlock/Util.cs b/samples/DotNetOpenAuth.ApplicationBlock/Util.cs
index 5001e2e..ea7da97 100644
--- a/samples/DotNetOpenAuth.ApplicationBlock/Util.cs
+++ b/samples/DotNetOpenAuth.ApplicationBlock/Util.cs
@@ -1,9 +1,10 @@
 namespace DotNetOpenAuth.ApplicationBlock {
 	using System;
 	using System.Collections.Generic;
+	using System.IO;
 	using DotNetOpenAuth.Messaging;
 
-	internal class Util {
+	internal static class Util {
 		/// <summary>
 		/// Enumerates through the individual set bits in a flag enum.
 		/// </summary>
@@ -25,5 +26,51 @@
 			Uri callback = MessagingUtilities.GetRequestUrlFromContext().StripQueryArgumentsWithPrefix("oauth_");
 			return callback;
 		}
+
+		/// <summary>
+		/// Copies the contents of one stream to another.
+		/// </summary>
+		/// <param name="copyFrom">The stream to copy from, at the position where copying should begin.</param>
+		/// <param name="copyTo">The stream to copy to, at the position where bytes should be written.</param>
+		/// <returns>The total number of bytes copied.</returns>
+		/// <remarks>
+		/// Copying begins at the streams' current positions.
+		/// The positions are NOT reset after copying is complete.
+		/// </remarks>
+		internal static int CopyTo(this Stream copyFrom, Stream copyTo) {
+			return CopyTo(copyFrom, copyTo, int.MaxValue);
+		}
+
+		/// <summary>
+		/// Copies the contents of one stream to another.
+		/// </summary>
+		/// <param name="copyFrom">The stream to copy from, at the position where copying should begin.</param>
+		/// <param name="copyTo">The stream to copy to, at the position where bytes should be written.</param>
+		/// <param name="maximumBytesToCopy">The maximum bytes to copy.</param>
+		/// <returns>The total number of bytes copied.</returns>
+		/// <remarks>
+		/// Copying begins at the streams' current positions.
+		/// The positions are NOT reset after copying is complete.
+		/// </remarks>
+		internal static int CopyTo(this Stream copyFrom, Stream copyTo, int maximumBytesToCopy) {
+			if (copyFrom == null) {
+				throw new ArgumentNullException("copyFrom");
+			}
+			if (copyTo == null) {
+				throw new ArgumentNullException("copyTo");
+			}
+
+			byte[] buffer = new byte[1024];
+			int readBytes;
+			int totalCopiedBytes = 0;
+			while ((readBytes = copyFrom.Read(buffer, 0, Math.Min(1024, maximumBytesToCopy))) > 0) {
+				int writeBytes = Math.Min(maximumBytesToCopy, readBytes);
+				copyTo.Write(buffer, 0, writeBytes);
+				totalCopiedBytes += writeBytes;
+				maximumBytesToCopy -= writeBytes;
+			}
+
+			return totalCopiedBytes;
+		}
 	}
 }