SessionHandlingInspector

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Dispatcher;
using System.ServiceModel.Channels;

namespace SiebelCrmConnector
{
    /// <summary>
    /// Message inspector that holds session identification and applies it to outgoing messages
    /// </summary>
    public class SessionHandlingInspector : IEndpointBehavior, IClientMessageInspector
    {
        /// <summary>
        /// Creates a new SessionHandlingInspector that will use given <paramref name="cookie"/> for authentication
        /// </summary>
        /// <param name="cookie">The Set-Cookie header containing the session id</param>
        public SessionHandlingInspector(string cookie)
        {
            this.Cookie = cookie;
        }

        /// <summary>
        /// Stores the Set-Cookie header for the session
        /// </summary>
        private string Cookie { get; set; }

        #region IEndpointBehavior Members
        public void AddBindingParameters(ServiceEndpoint endpoint, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)
        {

        }

        /// <summary>
        /// Triggered when inspector is added to an endpoint. Registeres the instance as message inspector
        /// </summary>
        /// <param name="endpoint"></param>
        /// <param name="clientRuntime"></param>
        public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime)
        {
            // adds our inspector to the runtime
            clientRuntime.MessageInspectors.Add(this);
        }

        public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher)
        {

        }

        public void Validate(ServiceEndpoint endpoint)
        {

        }
        #endregion

        #region IClientMessageInspector Members
        void IClientMessageInspector.AfterReceiveReply(ref System.ServiceModel.Channels.Message reply, object correlationState)
        {
        }

        /// <summary>
        /// Triggered before sending a request. Adds the cookie header to the outgoing message
        /// </summary>
        /// <param name="request"></param>
        /// <param name="channel"></param>
        /// <returns></returns>
        object IClientMessageInspector.BeforeSendRequest(ref System.ServiceModel.Channels.Message request, IClientChannel channel)
        {
            HttpRequestMessageProperty httpRequest;
            if (!request.Properties.ContainsKey(HttpRequestMessageProperty.Name))
            {
                request.Properties.Add(HttpRequestMessageProperty.Name,
                    new HttpRequestMessageProperty());
            }

            httpRequest = (HttpRequestMessageProperty)
                request.Properties[HttpRequestMessageProperty.Name];
            httpRequest.Headers.Add(HttpRequestHeader.Cookie, this.Cookie);

            return null;
        }
        #endregion
    }
}