/Code/Channels/Hotmail/HotmailContactsChannel.cs

using System;

using System.Collections.Generic;

using System.Collections.Specialized;

using System.IO;

using System.IO.Compression;

using System.Linq;

using System.ServiceModel;

using System.ServiceModel.Description;

using System.ServiceModel.Web;

using System.Xml;

using System.Xml.Linq;

using Inbox2.Channels.Hotmail.REST;

using Inbox2.Platform.Channels.ServiceModel;

using Inbox2.Platform.Channels.Entities;

using Inbox2.Platform.Channels.Interfaces;



namespace Inbox2.Channels.Hotmail

{

    class HotmailContactsChannel : IClientContactsChannel

    {

        protected const string contactsFeedUrl = "https://livecontacts.services.live.com/users/@L@{0}/REST/LiveContacts/Contacts";

        private const string appId = "000000004C00C9B8";

        private const string secretKey = "3QYoxaTDOAi1gYzMqg3lls4bvhz48ip8";



        private static string authHeader;

        private static string lid;



        static void GetAuthHeader()

        {

            //TODO: replace this with scraping and return the right response values for the 4 variables

            //i.e.: call method ContactsAuthentication.AuthenticateContactsSharing(username, password)

            string responseConsentToken = "eact%3Duw5Ym5wpNL9Jo51f9N38Div7B9HmBTkwDof75T22MRvbToDeXSEYvZzWRuRMjHkw%252B8kbWcbKJ4ZwWdGcKm%252FeCJYCPIKTHMSCzx4gZscI9w21NKV%252BqjKFkQ6t9b6%252FccObokDfN6XCU1MBFddNoenuIAyo2o44luRpkDcokM3TgfSdtj%252Bg0hZUR8V8IIIvLmelc1KTjcI%252F3GJ2pBQXkxur0O4YKGu8cFF0y8gNVuXJvpL%252BcFq5%252Fdq8wMzTT6SnGbZgHyPqJv6UQZsYpC9EM%252FQmSlcxinLZf%252BV%252BxB25qNHE2GD05SFiUYKwEf%252FSS5a9RMziv8jThJTReCeFaBLbJClvGIr7D3zHh051REFWl97FlvH2oGcNMze5K9R%252Fxb9pi0%252BFcUCA6hTveVuyih0zOZY5TFyhvltaU2aemq3BBFOa%252FHRbTMu5kGAoW%252FUJiNf4FODvuZCF%252BrH%252BMMEV5V5b3WEsTPlytEG9HhzAjWpMV6i784pqXQjB7gF6Iuy2T8JKujk2wN%252FuFIS6F4Z%252BGMUbRYBxgmuLZMALShiscC6gC4JQuW7fr2zcTqBEmChmJAi9D9T97AVBWL5cyzrjxpkqm8Dr7z8KYqGcoWQ8VVy1JMcxW3vMGMJZPZBQUz1AOYut2xqd7kt1sssDfI7Owv4M7uU55K16IImxPR4LAmapujGLtTjWwfSoKYZBl2%252B41%252BuzPcvyUw%252BQqDu2aOCe1YuZ%252FaJry3tcIk43R0V9LFQ9HFEto8g8R7PeUlx9469jFhNPGPqzFy7Qlc%252BYGwf4nRwbrizAx5HKx9QuIcl%252FByK227CX0u7e7UkUzMQ%252FfTc13TpfvFk%252FBo5aXeoxjAKwrnyFeeDUKHiEsHwjwu2EW7kGfTdAOodUACDsoQDnrrrs%252BOX80Q4BzfVhZYy3F8XDAmdczqqzaGimQLK9UETvr%252F03GzCZdJResKRJNAeaaZ6Ahdy9ebJ64qvSvFq8jBOV1%252FY1rq8clX%252F5GZxnXzqT8gN%252F%252B9%252F8ktllYZi4QLmxaT2ChY2qnE8Fxx7GomY0k%252B5sDWhdqD18Ddu9HSFSaAFq4DflnTWis6jCLJ6WpqaeBGwJyPEGm0IYlVbQ0k7X5WnKYjKrC3kl68%252BqU6lL0T1nRoa8mZNXdeXZ72W%252FLQp21IrOH6NZhnomPBID2myyJ09QtuUkXlSaWbT5A0oRcE9ywPY4EvplbggyLxpke9jL%252BtIUQtNXdGN%252B%252FwjQhREw8dfMRHoRl6VN%252BmGLONeVvoR6Lvi%252BXJZhBz36XwwfhXtGb7kKIud8E9as%252FMC6YZcUNBn%252F28Zj9YdcRmM2iAAs9DBvw5tTmgAfPYU%253D";

            string responseResponseCode = "RequestApproved";

            string responseAction = "delauth";

            string responseAppctx = "";



            NameValueCollection nvc = new NameValueCollection(4);

            WindowsLiveLogin wll = new WindowsLiveLogin(appId, secretKey);

            nvc.Add("ConsentToken", responseConsentToken);

            nvc.Add("ResponseCode", responseResponseCode);

            nvc.Add("action", responseAction);

            nvc.Add("appctx", responseAppctx);



            WindowsLiveLogin.ConsentToken ct = wll.ProcessConsent(nvc);

            authHeader = String.Format("DelegatedToken dt=\"{0}\"", ct.DelegationToken);

            lid = ct.LocationID;

        }



        public IEnumerable<ChannelContact> GetContacts()

        {

            EnsureAuthentication();

            UriBuilder uriBuilder = new UriBuilder();

            uriBuilder.Scheme = "HTTPS";

            uriBuilder.Path = "/users/@L@" + lid + "/REST/LiveContacts";

            uriBuilder.Host = "livecontacts.services.live.com";

            uriBuilder.Port = 443;

            string uriPath = uriBuilder.Uri.AbsoluteUri;

          

            ILiveContacts channel = BuildContactsChannel(uriPath);

            using (new OperationContextScope(channel as IContextChannel))

            {

                // Auth header is required

                WebOperationContext.Current.OutgoingRequest.Headers.Set("Authorization", authHeader);

                WebOperationContext.Current.OutgoingRequest.Headers.Add("Accept-Encoding", "deflate");

                WebOperationContext.Current.OutgoingRequest.Headers.Add("Pragma", "No-Cache");

                WebOperationContext.Current.OutgoingRequest.UserAgent = "Windows Live Data Interactive SDK";

                WebOperationContext.Current.OutgoingRequest.Method = "GET";

                WebOperationContext.Current.OutgoingRequest.ContentType = "application/xml; charset=utf-8";

                   

                // Since the response is chucked we have to read it in as a Stream

                Stream responseStream = channel.Contacts();

                responseStream = new DeflateStream(responseStream, CompressionMode.Decompress);



                XElement element;



                using (XmlTextReader reader = new XmlTextReader(responseStream))

                    element = XElement.Load(reader);



                foreach (var entry in element.Elements("Contact"))

                {

                    if(entry.Element("Emails") != null)

                    {

                        yield return ParseContact(entry);

                    }

                }        

            }

        }



    	public IClientContactsChannel Clone()

    	{

			return new HotmailContactsChannel

				{

					Hostname = Hostname,

					Port = Port,

					IsSecured = IsSecured,

					MaxConcurrentConnections = MaxConcurrentConnections,

					CredentialsProvider = CredentialsProvider

				};

    	}



    	protected ILiveContacts BuildContactsChannel(string epAddress)

        {

            EndpointAddress address = new EndpointAddress(epAddress);



			var binding = RawMapper.GetCustomBinding(new WebHttpBinding(WebHttpSecurityMode.Transport)); 

            ChannelFactory<ILiveContacts> cf = new ChannelFactory<ILiveContacts>(binding, address);

            cf.Endpoint.Behaviors.Add(new WebHttpBehavior());



            var channel = cf.CreateChannel();



            return channel;

        }



        //TODO: right implementation

        protected ChannelContact ParseContact(XElement element)

        {

            ChannelContact contact = new ChannelContact();



            contact.Person.Name = element.Element("Profiles").Element("Personal").Element("DisplayName").Value;

            contact.Profile.ChannelProfileKey = element.Element("ID").Value;



            // Todo could be different kind of addressses; home, work etc

            contact.Profile.SourceAddress = new SourceAddress(

                element.Element("Emails").Element("Email").Element("Address").Value,

                element.Element("Profiles").Element("Personal").Element("DisplayName").Value);



            return contact;

        }



        protected void EnsureAuthentication()

        {

            if (String.IsNullOrEmpty(authHeader))

                GetAuthHeader();

        }



        #region Properties



        public string Hostname

        {

            get { return "https://livecontacts.services.live.com/"; }

            set { }

        }

        public int Port

        {

            get { return 443; }

            set { }

        }



        public bool IsSecured

        {

            get { return true; }

            set { }

        }



        public bool IsEnabled { get; set; }

        public int MaxConcurrentConnections { get; set; }

        public IChannelCredentialsProvider CredentialsProvider { get; set; }



        public string Protocol

        {

            get { return "HotmailContactsAPI"; }

        }



        #endregion



    	public void Dispose()

    	{

    		

    	}

    }

}