1 files changed, 74 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth.ServiceProvider/OAuth/ChannelElements/OAuthServiceProviderChannel.cs b/src/DotNetOpenAuth.OAuth.ServiceProvider/OAuth/ChannelElements/OAuthServiceProviderChannel.cs
new file mode 100644
index 0000000..43e7902
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth.ServiceProvider/OAuth/ChannelElements/OAuthServiceProviderChannel.cs
@@ -0,0 +1,74 @@
+//-----------------------------------------------------------------------
+// <copyright file="OAuthServiceProviderChannel.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth.ChannelElements {
+	using System;
+	using System.Collections.Generic;
+	using System.Diagnostics.CodeAnalysis;
+	using System.Diagnostics.Contracts;
+	using System.Linq;
+	using System.Text;
+	using DotNetOpenAuth.Messaging;
+	using DotNetOpenAuth.Messaging.Bindings;
+
+	/// <summary>
+	/// The messaging channel for OAuth 1.0(a) Service Providers.
+	/// </summary>
+	internal class OAuthServiceProviderChannel : OAuthChannel {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="OAuthServiceProviderChannel"/> class.
+		/// </summary>
+		/// <param name="signingBindingElement">The binding element to use for signing.</param>
+		/// <param name="store">The web application store to use for nonces.</param>
+		/// <param name="tokenManager">The token manager instance to use.</param>
+		/// <param name="securitySettings">The security settings.</param>
+		/// <param name="messageTypeProvider">The message type provider.</param>
+		[SuppressMessage("Microsoft.Globalization", "CA1303:Do not pass literals as localized parameters", MessageId = "System.Diagnostics.Contracts.__ContractsRuntime.Requires<System.ArgumentNullException>(System.Boolean,System.String,System.String)", Justification = "Code contracts"), SuppressMessage("Microsoft.Naming", "CA2204:Literals should be spelled correctly", MessageId = "securitySettings", Justification = "Code contracts")]
+		internal OAuthServiceProviderChannel(ITamperProtectionChannelBindingElement signingBindingElement, INonceStore store, IServiceProviderTokenManager tokenManager, ServiceProviderSecuritySettings securitySettings, IMessageFactory messageTypeProvider = null)
+			: base(
+			signingBindingElement,
+			store,
+			tokenManager,
+			securitySettings,
+			messageTypeProvider ?? new OAuthServiceProviderMessageFactory(tokenManager),
+			InitializeBindingElements(signingBindingElement, store, tokenManager, securitySettings)) {
+			Requires.NotNull(tokenManager, "tokenManager");
+			Requires.NotNull(securitySettings, "securitySettings");
+			Requires.NotNull(signingBindingElement, "signingBindingElement");
+		}
+
+		/// <summary>
+		/// Gets the consumer secret for a given consumer key.
+		/// </summary>
+		/// <param name="consumerKey">The consumer key.</param>
+		/// <returns>The consumer secret.</returns>
+		protected override string GetConsumerSecret(string consumerKey) {
+			return ((IServiceProviderTokenManager)this.TokenManager).GetConsumer(consumerKey).Secret;
+		}
+
+		/// <summary>
+		/// Initializes the binding elements for the OAuth channel.
+		/// </summary>
+		/// <param name="signingBindingElement">The signing binding element.</param>
+		/// <param name="store">The nonce store.</param>
+		/// <param name="tokenManager">The token manager.</param>
+		/// <param name="securitySettings">The security settings.</param>
+		/// <returns>
+		/// An array of binding elements used to initialize the channel.
+		/// </returns>
+		private static new IChannelBindingElement[] InitializeBindingElements(ITamperProtectionChannelBindingElement signingBindingElement, INonceStore store, ITokenManager tokenManager, SecuritySettings securitySettings) {
+			Contract.Requires(securitySettings != null);
+
+			var bindingElements = OAuthChannel.InitializeBindingElements(signingBindingElement, store, tokenManager, securitySettings);
+
+			var spTokenManager = tokenManager as IServiceProviderTokenManager;
+			var serviceProviderSecuritySettings = securitySettings as ServiceProviderSecuritySettings;
+			bindingElements.Insert(0, new TokenHandlingBindingElement(spTokenManager, serviceProviderSecuritySettings));
+
+			return bindingElements.ToArray();
+		}
+	}
+}