1 files changed, 60 insertions, 0 deletions
diff --git a/samples/OAuthServiceProvider/Code/OAuth2AuthorizationServer.cs b/samples/OAuthServiceProvider/Code/OAuth2AuthorizationServer.cs
new file mode 100644
index 0000000..e281b07
--- /dev/null
+++ b/samples/OAuthServiceProvider/Code/OAuth2AuthorizationServer.cs
@@ -0,0 +1,60 @@
+namespace OAuthServiceProvider.Code {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Security.Cryptography;
+	using System.Web;
+	using DotNetOpenAuth.Messaging;
+	using DotNetOpenAuth.Messaging.Bindings;
+	using DotNetOpenAuth.OAuth.ChannelElements;
+	using DotNetOpenAuth.OAuthWrap;
+	using DotNetOpenAuth.OAuthWrap.ChannelElements;
+
+	internal class OAuth2AuthorizationServer : IAuthorizationServer {
+		internal static readonly RSAParameters AsymmetricKey;
+
+		private static readonly byte[] secret;
+
+		private readonly INonceStore nonceStore = new DatabaseNonceStore();
+
+		static OAuth2AuthorizationServer() {
+			// For this sample, we just generate random secrets.
+			RandomNumberGenerator crypto = new RNGCryptoServiceProvider();
+			secret = new byte[16];
+			crypto.GetBytes(secret);
+
+			AsymmetricKey = new RSACryptoServiceProvider().ExportParameters(true);
+		}
+
+		#region Implementation of IAuthorizationServer
+
+		public byte[] Secret {
+			get { return secret; }
+		}
+
+		public DotNetOpenAuth.Messaging.Bindings.INonceStore VerificationCodeNonceStore {
+			get { return this.nonceStore; }
+		}
+
+		public RSAParameters AccessTokenSigningPrivateKey {
+			get { return AsymmetricKey; }
+		}
+
+		public IConsumerDescription GetClient(string clientIdentifier) {
+			var consumerRow = Global.DataContext.OAuthConsumers.SingleOrDefault(
+				consumerCandidate => consumerCandidate.ConsumerKey == clientIdentifier);
+			if (consumerRow == null) {
+				throw new ArgumentOutOfRangeException("clientIdentifier");
+			}
+
+			return consumerRow;
+		}
+
+		#endregion
+
+		public bool IsAuthorizationValid(IAuthorizationDescription authorization) {
+			// We don't support revoking tokens yet.
+			return true;
+		}
+	}
+}
+\ No newline at end of file