1 files changed, 48 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Web/Clients/OpenID/YahooOpenIdClient.cs b/src/DotNetOpenAuth.Web/Clients/OpenID/YahooOpenIdClient.cs
new file mode 100644
index 0000000..2235a2b
--- /dev/null
+++ b/src/DotNetOpenAuth.Web/Clients/OpenID/YahooOpenIdClient.cs
@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+using DotNetOpenAuth.OpenId.Extensions.AttributeExchange;
+using DotNetOpenAuth.OpenId.RelyingParty;
+
+namespace DotNetOpenAuth.Web.Clients
+{
+    internal sealed class YahooOpenIdClient : OpenIDClient
+    {
+        public YahooOpenIdClient() : 
+            base("yahoo", "http://me.yahoo.com")
+        {
+        }
+
+        /// <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.Add(new AttributeRequest(WellKnownAttributes.Contact.Email, isRequired: true));
+            fetchRequest.Attributes.Add(new AttributeRequest(AxKnownAttributes.FullName, isRequired: false));
+
+            request.AddExtension(fetchRequest);
+        }
+
+        /// <summary>
+        /// Gets the extra data obtained from the response message when authentication is successful.
+        /// </summary>
+        /// <param name="response">The response message.</param>
+        /// <returns></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("fullName", fetchResponse.GetAttributeValue(AxKnownAttributes.FullName));
+
+                return extraData;
+            }
+
+            return null;
+        }
+    }
+}