1 files changed, 37 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OpenId/Configuration/HostMetaDiscoveryElement.cs b/src/DotNetOpenAuth.OpenId/Configuration/HostMetaDiscoveryElement.cs
new file mode 100644
index 0000000..437b12f
--- /dev/null
+++ b/src/DotNetOpenAuth.OpenId/Configuration/HostMetaDiscoveryElement.cs
@@ -0,0 +1,37 @@
+//-----------------------------------------------------------------------
+// <copyright file="HostMetaDiscoveryElement.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Configuration {
+	using System.Configuration;
+
+	/// <summary>
+	/// The configuration element that can adjust how hostmeta discovery works.
+	/// </summary>
+	internal class HostMetaDiscoveryElement : ConfigurationElement {
+		/// <summary>
+		/// The property name for enableCertificateValidationCache.
+		/// </summary>
+		private const string EnableCertificateValidationCacheConfigName = "enableCertificateValidationCache";
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="HostMetaDiscoveryElement"/> class.
+		/// </summary>
+		public HostMetaDiscoveryElement() {
+		}
+
+		/// <summary>
+		/// Gets or sets a value indicating whether validated certificates should be cached and not validated again.
+		/// </summary>
+		/// <remarks>
+		/// This helps to avoid unexplained 5-10 second delays in certificate validation for Google Apps for Domains that impact some servers.
+		/// </remarks>
+		[ConfigurationProperty(EnableCertificateValidationCacheConfigName, DefaultValue = false)]
+		public bool EnableCertificateValidationCache {
+			get { return (bool)this[EnableCertificateValidationCacheConfigName]; }
+			set { this[EnableCertificateValidationCacheConfigName] = value; }
+		}
+	}
+}