1 files changed, 55 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth2/Configuration/OAuth2AuthorizationServerElement.cs b/src/DotNetOpenAuth.OAuth2/Configuration/OAuth2AuthorizationServerElement.cs
new file mode 100644
index 0000000..fa7b52e
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth2/Configuration/OAuth2AuthorizationServerElement.cs
@@ -0,0 +1,55 @@
+//-----------------------------------------------------------------------
+// <copyright file="OAuth2AuthorizationServerElement.cs" company="Outercurve Foundation">
+//     Copyright (c) Outercurve Foundation. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Configuration {
+	using System;
+	using System.Configuration;
+	using DotNetOpenAuth.Messaging.Bindings;
+	using DotNetOpenAuth.OAuth2.ChannelElements;
+
+	/// <summary>
+	/// Represents the &lt;oauth2/authorizationServer&gt; element in the host's .config file.
+	/// </summary>
+	internal class OAuth2AuthorizationServerElement : ConfigurationElement {
+
+		/// <summary>
+		/// The name of the &lt;clientAuthenticationModules&gt; sub-element.
+		/// </summary>
+		private const string ClientAuthenticationModulesElementName = "clientAuthenticationModules";
+
+		/// <summary>
+		/// The built-in set of identifier discovery services.
+		/// </summary>
+		private static readonly TypeConfigurationCollection<IClientAuthenticationModule> defaultClientAuthenticationModules = 
+			new TypeConfigurationCollection<IClientAuthenticationModule>();
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="OAuth2AuthorizationServerElement"/> class.
+		/// </summary>
+		internal OAuth2AuthorizationServerElement() {
+		}
+
+		/// <summary>
+		/// Gets or sets the services to use for discovering service endpoints for identifiers.
+		/// </summary>
+		/// <remarks>
+		/// If no discovery services are defined in the (web) application's .config file,
+		/// the default set of discovery services built into the library are used.
+		/// </remarks>
+		[ConfigurationProperty(ClientAuthenticationModulesElementName, IsDefaultCollection = false)]
+		[ConfigurationCollection(typeof(TypeConfigurationCollection<IClientAuthenticationModule>))]
+		internal TypeConfigurationCollection<IClientAuthenticationModule> ClientAuthenticationModules {
+			get {
+				var configResult = (TypeConfigurationCollection<IClientAuthenticationModule>)this[ClientAuthenticationModulesElementName];
+				return configResult != null && configResult.Count > 0 ? configResult : defaultClientAuthenticationModules;
+			}
+
+			set {
+				this[ClientAuthenticationModulesElementName] = value;
+			}
+		}
+	}
+}