1 files changed, 70 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.AspNet/Clients/OpenID/GoogleOpenIdClient.cs b/src/DotNetOpenAuth.AspNet/Clients/OpenID/GoogleOpenIdClient.cs
new file mode 100644
index 0000000..aedcb80
--- /dev/null
+++ b/src/DotNetOpenAuth.AspNet/Clients/OpenID/GoogleOpenIdClient.cs
@@ -0,0 +1,70 @@
+//-----------------------------------------------------------------------
+// <copyright file="GoogleOpenIdClient.cs" company="Microsoft">
+//     Copyright (c) Microsoft. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.AspNet.Clients {
+	using System.Collections.Generic;
+	using DotNetOpenAuth.OpenId.Extensions.AttributeExchange;
+	using DotNetOpenAuth.OpenId.RelyingParty;
+
+	/// <summary>
+	/// Represents Google OpenID client.
+	/// </summary>
+	public sealed class GoogleOpenIdClient : OpenIdClient {
+		#region Constructors and Destructors
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="GoogleOpenIdClient"/> class.
+		/// </summary>
+		public GoogleOpenIdClient()
+			: base("google", WellKnownProviders.Google) { }
+
+		#endregion
+
+		#region Methods
+
+		/// <summary>
+		/// Gets the extra data obtained from the response message when authentication is successful.
+		/// </summary>
+		/// <param name="response">
+		/// The response message. 
+		/// </param>
+		/// <returns>A dictionary of profile data; or null if no data is available.</returns>
+		protected override Dictionary<string, string> GetExtraData(IAuthenticationResponse response) {
+			FetchResponse fetchResponse = response.GetExtension<FetchResponse>();
+			if (fetchResponse != null) {
+				var extraData = new Dictionary<string, string>();
+				extraData.AddItemIfNotEmpty("email", fetchResponse.GetAttributeValue(WellKnownAttributes.Contact.Email));
+				extraData.AddItemIfNotEmpty(
+					"country", fetchResponse.GetAttributeValue(WellKnownAttributes.Contact.HomeAddress.Country));
+				extraData.AddItemIfNotEmpty("firstName", fetchResponse.GetAttributeValue(WellKnownAttributes.Name.First));
+				extraData.AddItemIfNotEmpty("lastName", fetchResponse.GetAttributeValue(WellKnownAttributes.Name.Last));
+
+				return extraData;
+			}
+
+			return null;
+		}
+
+		/// <summary>
+		/// Called just before the authentication request is sent to service provider.
+		/// </summary>
+		/// <param name="request">
+		/// The request. 
+		/// </param>
+		protected override void OnBeforeSendingAuthenticationRequest(IAuthenticationRequest request) {
+			// Attribute Exchange extensions
+			var fetchRequest = new FetchRequest();
+			fetchRequest.Attributes.AddRequired(WellKnownAttributes.Contact.Email);
+			fetchRequest.Attributes.AddOptional(WellKnownAttributes.Contact.HomeAddress.Country);
+			fetchRequest.Attributes.AddOptional(WellKnownAttributes.Name.First);
+			fetchRequest.Attributes.AddOptional(WellKnownAttributes.Name.Last);
+
+			request.AddExtension(fetchRequest);
+		}
+
+		#endregion
+	}
+}