1 files changed, 116 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Web/Clients/OAuth/OAuthClient.cs b/src/DotNetOpenAuth.Web/Clients/OAuth/OAuthClient.cs
new file mode 100644
index 0000000..d0d7751
--- /dev/null
+++ b/src/DotNetOpenAuth.Web/Clients/OAuth/OAuthClient.cs
@@ -0,0 +1,116 @@
+using System;
+using System.Web;
+using DotNetOpenAuth.Messaging;
+using DotNetOpenAuth.OAuth;
+using DotNetOpenAuth.OAuth.ChannelElements;
+using DotNetOpenAuth.OAuth.Messages;
+
+namespace DotNetOpenAuth.Web.Clients
+{
+    /// <summary>
+    /// Represents base class for OAuth 1.0 clients
+    /// </summary>
+    public abstract class OAuthClient : IAuthenticationClient
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="OAuthClient"/> class.
+        /// </summary>
+        /// <param name="providerName">Name of the provider.</param>
+        /// <param name="serviceDescription">The service description.</param>
+        /// <param name="consumerKey">The consumer key.</param>
+        /// <param name="consumerSecret">The consumer secret.</param>
+        protected OAuthClient(string providerName, ServiceProviderDescription serviceDescription, string consumerKey, string consumerSecret) :
+            this(providerName, serviceDescription, new InMemoryOAuthTokenManager(consumerKey, consumerSecret))
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="OAuthClient"/> class.
+        /// </summary>
+        /// <param name="providerName">Name of the provider.</param>
+        protected OAuthClient(string providerName, ServiceProviderDescription serviceDescription, IConsumerTokenManager tokenManager) : 
+            this(providerName, new DotNetOpenAuthWebConsumer(serviceDescription, tokenManager))
+        {
+        }
+
+        protected OAuthClient(string providerName, IOAuthWebWorker webWorker)
+        {
+            if (providerName == null)
+            {
+                throw new ArgumentNullException("providerName");
+            }
+
+            if (webWorker == null)
+            {
+                throw new ArgumentNullException("webWorker");
+            }
+
+            ProviderName = providerName;
+            WebWorker = webWorker;
+        }
+
+        /// <summary>
+        /// Gets the name of the provider which provides authentication service.
+        /// </summary>
+        public string ProviderName
+        {
+            get;
+            private set;
+        }
+
+        /// <summary>
+        /// Gets the <see cref="OAuthWebConsumer"/> instance which handles constructing requests
+        /// to the OAuth providers.
+        /// </summary>
+        protected IOAuthWebWorker WebWorker
+        {
+            get;
+            private set;
+        }
+
+        /// <summary>
+        /// Attempts to authenticate users by forwarding them to an external website, and
+        /// upon succcess or failure, redirect users back to the specified url.
+        /// </summary>
+        /// <param name="returnUrl">The return url after users have completed authenticating against external website.</param>
+        public virtual void RequestAuthentication(HttpContextBase context, Uri returnUrl)
+        {
+            if (returnUrl == null)
+            {
+                throw new ArgumentNullException("returnUrl");
+            }
+
+            if (context == null)
+            {
+                throw new ArgumentNullException("context");
+            }
+
+            Uri callback = returnUrl.StripQueryArgumentsWithPrefix("oauth_");
+            WebWorker.RequestAuthentication(callback);
+        }
+
+        /// <summary>
+        /// Check if authentication succeeded after user is redirected back from the service provider.
+        /// </summary>
+        /// <returns>
+        /// An instance of <see cref="AuthenticationResult"/> containing authentication result.
+        /// </returns>
+        public virtual AuthenticationResult VerifyAuthentication(HttpContextBase context)
+        {
+            AuthorizedTokenResponse response = WebWorker.ProcessUserAuthorization();
+            if (response == null)
+            {
+                return AuthenticationResult.Failed;
+            }
+
+            return VerifyAuthenticationCore(response);
+        }
+
+        /// <summary>
+        /// Check if authentication succeeded after user is redirected back from the service provider.
+        /// </summary>
+        /// <param name="response">The response token returned from service provider</param>
+        /// <returns>Authentication result</returns>
+        protected abstract AuthenticationResult VerifyAuthenticationCore(AuthorizedTokenResponse response);
+    }
+}
+\ No newline at end of file