Added a base64web encoder for byte[] typed message parts.

2 files changed, 38 insertions, 0 deletions

diff --git a/src/DotNetOpenAuth.Core/DotNetOpenAuth.Core.csproj b/src/DotNetOpenAuth.Core/DotNetOpenAuth.Core.csproj
index c0aef30..5e079a0 100644
--- a/src/DotNetOpenAuth.Core/DotNetOpenAuth.Core.csproj
+++ b/src/DotNetOpenAuth.Core/DotNetOpenAuth.Core.csproj
@@ -19,6 +19,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Assumes.cs" />
+    <Compile Include="Messaging\Base64WebEncoder.cs" />
     <Compile Include="Messaging\Bindings\AsymmetricCryptoKeyStoreWrapper.cs" />
     <Compile Include="Messaging\Bindings\CryptoKey.cs" />
     <Compile Include="Messaging\Bindings\CryptoKeyCollisionException.cs" />
diff --git a/src/DotNetOpenAuth.Core/Messaging/Base64WebEncoder.cs b/src/DotNetOpenAuth.Core/Messaging/Base64WebEncoder.cs
new file mode 100644
index 0000000..135e650
--- /dev/null
+++ b/src/DotNetOpenAuth.Core/Messaging/Base64WebEncoder.cs
@@ -0,0 +1,37 @@
+//-----------------------------------------------------------------------
+// <copyright file="Base64WebEncoder.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Messaging {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+	using DotNetOpenAuth.Messaging.Reflection;
+
+	/// <summary>
+	/// A message part encoder that translates between <c>byte[]</c> and base64web encoded strings.
+	/// </summary>
+	internal class Base64WebEncoder : IMessagePartEncoder {
+		/// <summary>
+		/// Encodes the specified value.
+		/// </summary>
+		/// <param name="value">The value.  Guaranteed to never be null.</param>
+		/// <returns>The <paramref name="value"/> in string form, ready for message transport.</returns>
+		public string Encode(object value) {
+			return MessagingUtilities.ConvertToBase64WebSafeString((byte[])value);
+		}
+
+		/// <summary>
+		/// Decodes the specified value.
+		/// </summary>
+		/// <param name="value">The string value carried by the transport.  Guaranteed to never be null, although it may be empty.</param>
+		/// <returns>The deserialized form of the given string.</returns>
+		/// <exception cref="FormatException">Thrown when the string value given cannot be decoded into the required object type.</exception>
+		public object Decode(string value) {
+			return MessagingUtilities.FromBase64WebSafeString(value);
+		}
+	}
+}