# HG changeset patch
# User Nelo@Kenia.neluz.int
# Date 1307491436 10800
# Node ID 1ee5711256db4bf78965f264bf912045500ffba7
# Parent  2434c2323f3d34bd904dd2f803f23b06fd87bfb7
Utilizando Twitterizer en adapter a Twitter

diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/Agendas.Twitter/Agendas.Twitter.csproj
--- a/Agendas/trunk/src/Agendas.Twitter/Agendas.Twitter.csproj	Sat Jun 04 19:41:40 2011 -0300
+++ b/Agendas/trunk/src/Agendas.Twitter/Agendas.Twitter.csproj	Tue Jun 07 21:03:56 2011 -0300
@@ -31,6 +31,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\packages\Newtonsoft.Json.3.5.8\lib\35\Newtonsoft.Json.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
@@ -40,10 +43,12 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
+    <Reference Include="Twitterizer2">
+      <HintPath>..\packages\twitterizer.2.3.2\lib\Twitterizer2.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="oAuth.cs" />
-    <Compile Include="oAuthTwitter.cs" />
+    <Compile Include="OAuthTwitter.cs" />
     <Compile Include="TwitterPublicador.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
@@ -53,6 +58,9 @@
       <Name>Agendas.Domain</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/Agendas.Twitter/oAuth.cs
--- a/Agendas/trunk/src/Agendas.Twitter/oAuth.cs	Sat Jun 04 19:41:40 2011 -0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,373 +0,0 @@
-using System;
-using System.Security.Cryptography;
-using System.Collections.Generic;
-using System.Text;
-using System.Web;
-
-namespace AltNetHispano.Agendas.Twitter
-{
-    public class OAuthBase
-    {
-
-        /// <summary>
-        /// Provides a predefined set of algorithms that are supported officially by the protocol
-        /// </summary>
-        public enum SignatureTypes
-        {
-            HMACSHA1,
-            PLAINTEXT,
-            RSASHA1
-        }
-
-        /// <summary>
-        /// Provides an internal structure to sort the query parameter
-        /// </summary>
-        protected class QueryParameter
-        {
-            private string name = null;
-            private string value = null;
-
-            public QueryParameter(string name, string value)
-            {
-                this.name = name;
-                this.value = value;
-            }
-
-            public string Name
-            {
-                get { return name; }
-            }
-
-            public string Value
-            {
-                get { return value; }
-            }
-        }
-
-        /// <summary>
-        /// Comparer class used to perform the sorting of the query parameters
-        /// </summary>
-        protected class QueryParameterComparer : IComparer<QueryParameter>
-        {
-
-            #region IComparer<QueryParameter> Members
-
-            public int Compare(QueryParameter x, QueryParameter y)
-            {
-                if (x.Name == y.Name)
-                {
-                    return string.Compare(x.Value, y.Value);
-                }
-                else
-                {
-                    return string.Compare(x.Name, y.Name);
-                }
-            }
-
-            #endregion
-        }
-
-        protected const string OAuthVersion = "1.0";
-        protected const string OAuthParameterPrefix = "oauth_";
-
-        //
-        // List of know and used oauth parameters' names
-        //        
-        protected const string OAuthConsumerKeyKey = "oauth_consumer_key";
-        protected const string OAuthCallbackKey = "oauth_callback";
-        protected const string OAuthVersionKey = "oauth_version";
-        protected const string OAuthSignatureMethodKey = "oauth_signature_method";
-        protected const string OAuthSignatureKey = "oauth_signature";
-        protected const string OAuthTimestampKey = "oauth_timestamp";
-        protected const string OAuthNonceKey = "oauth_nonce";
-        protected const string OAuthTokenKey = "oauth_token";
-        protected const string OAuthTokenSecretKey = "oauth_token_secret";
-        protected const string OAuthVerifierKey = "oauth_verifier";
-
-        protected const string HMACSHA1SignatureType = "HMAC-SHA1";
-        protected const string PlainTextSignatureType = "PLAINTEXT";
-        protected const string RSASHA1SignatureType = "RSA-SHA1";
-
-        protected Random random = new Random();
-
-        protected string unreservedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";
-
-        /// <summary>
-        /// Helper function to compute a hash value
-        /// </summary>
-        /// <param name="hashAlgorithm">The hashing algoirhtm used. If that algorithm needs some initialization, like HMAC and its derivatives, they should be initialized prior to passing it to this function</param>
-        /// <param name="data">The data to hash</param>
-        /// <returns>a Base64 string of the hash value</returns>
-        private string ComputeHash(HashAlgorithm hashAlgorithm, string data)
-        {
-            if (hashAlgorithm == null)
-            {
-                throw new ArgumentNullException("hashAlgorithm");
-            }
-
-            if (string.IsNullOrEmpty(data))
-            {
-                throw new ArgumentNullException("data");
-            }
-
-            byte[] dataBuffer = System.Text.Encoding.ASCII.GetBytes(data);
-            byte[] hashBytes = hashAlgorithm.ComputeHash(dataBuffer);
-
-            return Convert.ToBase64String(hashBytes);
-        }
-
-        /// <summary>
-        /// Internal function to cut out all non oauth query string parameters (all parameters not begining with "oauth_")
-        /// </summary>
-        /// <param name="parameters">The query string part of the Url</param>
-        /// <returns>A list of QueryParameter each containing the parameter name and value</returns>
-        private List<QueryParameter> GetQueryParameters(string parameters)
-        {
-            if (parameters.StartsWith("?"))
-            {
-                parameters = parameters.Remove(0, 1);
-            }
-
-            List<QueryParameter> result = new List<QueryParameter>();
-
-            if (!string.IsNullOrEmpty(parameters))
-            {
-                string[] p = parameters.Split('&');
-                foreach (string s in p)
-                {
-                    if (!string.IsNullOrEmpty(s) && !s.StartsWith(OAuthParameterPrefix))
-                    {
-                        if (s.IndexOf('=') > -1)
-                        {
-                            string[] temp = s.Split('=');
-                            result.Add(new QueryParameter(temp[0], temp[1]));
-                        }
-                        else
-                        {
-                            result.Add(new QueryParameter(s, string.Empty));
-                        }
-                    }
-                }
-            }
-
-            return result;
-        }
-
-        /// <summary>
-        /// This is a different Url Encode implementation since the default .NET one outputs the percent encoding in lower case.
-        /// While this is not a problem with the percent encoding spec, it is used in upper case throughout OAuth
-        /// </summary>
-        /// <param name="value">The value to Url encode</param>
-        /// <returns>Returns a Url encoded string</returns>
-        public string UrlEncode(string value)
-        {
-            StringBuilder result = new StringBuilder();
-
-            foreach (char symbol in value)
-            {
-                if (unreservedChars.IndexOf(symbol) != -1)
-                {
-                    result.Append(symbol);
-                }
-                else
-                {
-                    result.Append('%' + String.Format("{0:X2}", (int)symbol));
-                }
-            }
-
-            return result.ToString();
-        }
-
-        /// <summary>
-        /// Normalizes the request parameters according to the spec
-        /// </summary>
-        /// <param name="parameters">The list of parameters already sorted</param>
-        /// <returns>a string representing the normalized parameters</returns>
-        protected string NormalizeRequestParameters(IList<QueryParameter> parameters)
-        {
-            StringBuilder sb = new StringBuilder();
-            QueryParameter p = null;
-            for (int i = 0; i < parameters.Count; i++)
-            {
-                p = parameters[i];
-                sb.AppendFormat("{0}={1}", p.Name, p.Value);
-
-                if (i < parameters.Count - 1)
-                {
-                    sb.Append("&");
-                }
-            }
-
-            return sb.ToString();
-        }
-
-        /// <summary>
-        /// Generate the signature base that is used to produce the signature
-        /// </summary>
-        /// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
-        /// <param name="consumerKey">The consumer key</param>        
-        /// <param name="token">The token, if available. If not available pass null or an empty string</param>
-        /// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
-        /// <param name="callBackUrl">The callback URL (for OAuth 1.0a).If your client cannot accept callbacks, the value MUST be 'oob' </param>
-        /// <param name="oauthVerifier">This value MUST be included when exchanging Request Tokens for Access Tokens. Otherwise pass a null or an empty string</param>
-        /// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
-        /// <param name="signatureType">The signature type. To use the default values use <see cref="OAuthBase.SignatureTypes">OAuthBase.SignatureTypes</see>.</param>
-        /// <returns>The signature base</returns>
-        public string GenerateSignatureBase(Uri url, string consumerKey, string token, string tokenSecret, string callBackUrl, string oauthVerifier, string httpMethod, string timeStamp, string nonce, string signatureType, out string normalizedUrl, out string normalizedRequestParameters)
-        {
-            if (token == null)
-            {
-                token = string.Empty;
-            }
-
-            if (tokenSecret == null)
-            {
-                tokenSecret = string.Empty;
-            }
-
-            if (string.IsNullOrEmpty(consumerKey))
-            {
-                throw new ArgumentNullException("consumerKey");
-            }
-
-            if (string.IsNullOrEmpty(httpMethod))
-            {
-                throw new ArgumentNullException("httpMethod");
-            }
-
-            if (string.IsNullOrEmpty(signatureType))
-            {
-                throw new ArgumentNullException("signatureType");
-            }
-
-            normalizedUrl = null;
-            normalizedRequestParameters = null;
-
-            List<QueryParameter> parameters = GetQueryParameters(url.Query);
-            parameters.Add(new QueryParameter(OAuthVersionKey, OAuthVersion));
-            parameters.Add(new QueryParameter(OAuthNonceKey, nonce));
-            parameters.Add(new QueryParameter(OAuthTimestampKey, timeStamp));
-            parameters.Add(new QueryParameter(OAuthSignatureMethodKey, signatureType));
-            parameters.Add(new QueryParameter(OAuthConsumerKeyKey, consumerKey));
-
-            if (!string.IsNullOrEmpty(callBackUrl))
-            {
-                parameters.Add(new QueryParameter(OAuthCallbackKey, UrlEncode(callBackUrl)));
-            }
-
-
-            if (!string.IsNullOrEmpty(oauthVerifier))
-            {
-                parameters.Add(new QueryParameter(OAuthVerifierKey, oauthVerifier));
-            }
-
-            if (!string.IsNullOrEmpty(token))
-            {
-                parameters.Add(new QueryParameter(OAuthTokenKey, token));
-            }
-
-            parameters.Sort(new QueryParameterComparer());
-
-            normalizedUrl = string.Format("{0}://{1}", url.Scheme, url.Host);
-            if (!((url.Scheme == "http" && url.Port == 80) || (url.Scheme == "https" && url.Port == 443)))
-            {
-                normalizedUrl += ":" + url.Port;
-            }
-            normalizedUrl += url.AbsolutePath;
-            normalizedRequestParameters = NormalizeRequestParameters(parameters);
-
-            StringBuilder signatureBase = new StringBuilder();
-            signatureBase.AppendFormat("{0}&", httpMethod.ToUpper());
-            signatureBase.AppendFormat("{0}&", UrlEncode(normalizedUrl));
-            signatureBase.AppendFormat("{0}", UrlEncode(normalizedRequestParameters));
-
-            return signatureBase.ToString();
-        }
-
-        /// <summary>
-        /// Generate the signature value based on the given signature base and hash algorithm
-        /// </summary>
-        /// <param name="signatureBase">The signature based as produced by the GenerateSignatureBase method or by any other means</param>
-        /// <param name="hash">The hash algorithm used to perform the hashing. If the hashing algorithm requires initialization or a key it should be set prior to calling this method</param>
-        /// <returns>A base64 string of the hash value</returns>
-        public string GenerateSignatureUsingHash(string signatureBase, HashAlgorithm hash)
-        {
-            return ComputeHash(hash, signatureBase);
-        }
-
-        /// <summary>
-        /// Generates a signature using the HMAC-SHA1 algorithm
-        /// </summary>		
-        /// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
-        /// <param name="consumerKey">The consumer key</param>
-        /// <param name="consumerSecret">The consumer seceret</param>
-        /// <param name="token">The token, if available. If not available pass null or an empty string</param>
-        /// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
-        /// <param name="callBackUrl">The callback URL (for OAuth 1.0a).If your client cannot accept callbacks, the value MUST be 'oob' </param>
-        /// <param name="oauthVerifier">This value MUST be included when exchanging Request Tokens for Access Tokens. Otherwise pass a null or an empty string</param>
-        /// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
-        /// <returns>A base64 string of the hash value</returns>
-        public string GenerateSignature(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string callBackUrl, string oauthVerifier, string httpMethod, string timeStamp, string nonce, out string normalizedUrl, out string normalizedRequestParameters)
-        {
-            return GenerateSignature(url, consumerKey, consumerSecret, token, tokenSecret, callBackUrl, oauthVerifier, httpMethod, timeStamp, nonce, SignatureTypes.HMACSHA1, out normalizedUrl, out normalizedRequestParameters);
-        }
-
-        /// <summary>
-        /// Generates a signature using the specified signatureType 
-        /// </summary>		
-        /// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
-        /// <param name="consumerKey">The consumer key</param>
-        /// <param name="consumerSecret">The consumer seceret</param>
-        /// <param name="token">The token, if available. If not available pass null or an empty string</param>
-        /// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
-        /// <param name="callBackUrl">The callback URL (for OAuth 1.0a).If your client cannot accept callbacks, the value MUST be 'oob' </param>
-        /// <param name="oauthVerifier">This value MUST be included when exchanging Request Tokens for Access Tokens. Otherwise pass a null or an empty string</param>
-        /// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
-        /// <param name="signatureType">The type of signature to use</param>
-        /// <returns>A base64 string of the hash value</returns>
-        public string GenerateSignature(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string callBackUrl, string oauthVerifier, string httpMethod, string timeStamp, string nonce, SignatureTypes signatureType, out string normalizedUrl, out string normalizedRequestParameters)
-        {
-            normalizedUrl = null;
-            normalizedRequestParameters = null;
-
-            switch (signatureType)
-            {
-                case SignatureTypes.PLAINTEXT:
-                    return HttpUtility.UrlEncode(string.Format("{0}&{1}", consumerSecret, tokenSecret));
-                case SignatureTypes.HMACSHA1:
-                    string signatureBase = GenerateSignatureBase(url, consumerKey, token, tokenSecret, callBackUrl, oauthVerifier, httpMethod, timeStamp, nonce, HMACSHA1SignatureType, out normalizedUrl, out normalizedRequestParameters);
-
-                    HMACSHA1 hmacsha1 = new HMACSHA1();
-                    hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : UrlEncode(tokenSecret)));
-
-                    return GenerateSignatureUsingHash(signatureBase, hmacsha1);
-                case SignatureTypes.RSASHA1:
-                    throw new NotImplementedException();
-                default:
-                    throw new ArgumentException("Unknown signature type", "signatureType");
-            }
-        }
-
-        /// <summary>
-        /// Generate the timestamp for the signature        
-        /// </summary>
-        /// <returns></returns>
-        public virtual string GenerateTimeStamp()
-        {
-            // Default implementation of UNIX time of the current UTC time
-            TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
-            return Convert.ToInt64(ts.TotalSeconds).ToString();
-        }
-
-        /// <summary>
-        /// Generate a nonce
-        /// </summary>
-        /// <returns></returns>
-        public virtual string GenerateNonce()
-        {
-            // Just a simple implementation of a random number between 123400 and 9999999
-            return random.Next(123400, 9999999).ToString();
-        }
-
-    }
-}
\ No newline at end of file
diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/Agendas.Twitter/oAuthTwitter.cs
--- a/Agendas/trunk/src/Agendas.Twitter/oAuthTwitter.cs	Sat Jun 04 19:41:40 2011 -0300
+++ b/Agendas/trunk/src/Agendas.Twitter/oAuthTwitter.cs	Tue Jun 07 21:03:56 2011 -0300
@@ -1,257 +1,51 @@
-using System;
+using System;
 using System.Configuration;
-using System.Web;
-using System.Net;
-using System.IO;
-using System.Collections.Specialized;
+using Twitterizer;
 
 namespace AltNetHispano.Agendas.Twitter
 {
-    public class OAuthTwitter : OAuthBase
-    {
-        public enum Method { GET, POST, DELETE };
-        public const string REQUEST_TOKEN = "http://twitter.com/oauth/request_token";
-        public const string AUTHORIZE = "http://twitter.com/oauth/authorize";
-        public const string ACCESS_TOKEN = "http://twitter.com/oauth/access_token";
-
-        private string _consumerKey = "";
-        private string _consumerSecret = "";
-        private string _token = "";
-        private string _tokenSecret = "";
-        private string _callBackUrl = "oob";
-        private string _oauthVerifier = "";
-
-    	private string ConsumerKey 
-        {
-            get
-            {
-                if (_consumerKey.Length == 0)
-                {
-                    _consumerKey = ConfigurationManager.AppSettings["consumerKey"];
-                }
-                return _consumerKey; 
-            }
-        }
-
-    	private string ConsumerSecret { 
-            get {
-                if (_consumerSecret.Length == 0)
-                {
-                    _consumerSecret = ConfigurationManager.AppSettings["consumerSecret"];
-                }
-                return _consumerSecret; 
-            } 
-        }
-
-        public string Token { get { return _token; } set { _token = value; } }
-        public string TokenSecret { get { return _tokenSecret; } set { _tokenSecret = value; } }
-        public string CallBackUrl { get { return _callBackUrl; } set { _callBackUrl = value; } }
-        public string OAuthVerifier { get { return _oauthVerifier; } set { _oauthVerifier = value; } }
-
-        /// <summary>
-        /// Get the link to Twitter's authorization page for this application.
-        /// </summary>
-        /// <returns>The url with a valid request token, or a null string.</returns>
-        public string AuthorizationLinkGet()
-        {
-            string ret = null;
-
-            string response = OAuthWebRequest(Method.GET, REQUEST_TOKEN, String.Empty);
-            if (response.Length > 0)
-            {
-                //response contains token and token secret.  We only need the token.
-                NameValueCollection qs = HttpUtility.ParseQueryString(response);
+	public class OAuthTwitter
+	{
+		private string ConsumerKey
+		{
+			get { return ConfigurationManager.AppSettings["consumerKey"]; }
+		}
 
-                if (qs["oauth_callback_confirmed"] != null)
-                {
-                    if (qs["oauth_callback_confirmed"] != "true")
-                    {
-                        throw new Exception("OAuth callback not confirmed.");
-                    }
-                }
-
-                if (qs[OAuthTokenKey] != null)
-                {
-					ret = AUTHORIZE + "?" + OAuthTokenKey + "=" + qs[OAuthTokenKey];
-                }
-            }
-            return ret;
-        }
-
-        /// <summary>
-        /// Exchange the request token for an access token.
-        /// </summary>
-        /// <param name="authToken">The oauth_token is supplied by Twitter's authorization page following the callback.</param>
-        /// <param name="oauthVerifier">An oauth_verifier parameter is provided to the client either in the pre-configured callback URL</param>
-        public void AccessTokenGet(string authToken, string oauthVerifier)
-        {
-            Token = authToken;
-            OAuthVerifier = oauthVerifier;
-
-            string response = OAuthWebRequest(Method.GET, ACCESS_TOKEN, String.Empty);
+		private string ConsumerSecret
+		{
+			get { return ConfigurationManager.AppSettings["consumerSecret"]; }
+		}
 
-            if (response.Length > 0)
-            {
-                //Store the Token and Token Secret
-                NameValueCollection qs = HttpUtility.ParseQueryString(response);
-                if (qs[OAuthTokenKey] != null)
-                {
-					Token = qs[OAuthTokenKey];
-                }
-				if (qs[OAuthTokenSecretKey] != null)
-                {
-					TokenSecret = qs[OAuthTokenSecretKey];
-                }
-            }
-        }
-        
-        /// <summary>
-        /// Submit a web request using oAuth.
-        /// </summary>
-        /// <param name="method">GET or POST</param>
-        /// <param name="url">The full url, including the querystring.</param>
-        /// <param name="postData">Data to post (querystring format)</param>
-        /// <returns>The web server response.</returns>
-        public string OAuthWebRequest(Method method, string url, string postData)
-        {
-            string outUrl;
-            string querystring;
-            string ret;
+		public Uri AuthorizationLinkGet(string callbackAddress)
+		{
+			// Obtain a request token
+			OAuthTokenResponse requestToken = OAuthUtility.GetRequestToken(ConsumerKey, ConsumerSecret, callbackAddress);
 
+			// Direct or instruct the user to the following address:
+			Uri authorizationUri = OAuthUtility.BuildAuthorizationUri(requestToken.Token);
+
+			return authorizationUri;
+		}
 
-            //Setup postData for signing.
-            //Add the postData to the querystring.
-            if (method == Method.POST || method == Method.DELETE)
-            {
-                if (postData.Length > 0)
-                {
-                    //Decode the parameters and re-encode using the oAuth UrlEncode method.
-                    NameValueCollection qs = HttpUtility.ParseQueryString(postData);
-                    postData = "";
-                    foreach (string key in qs.AllKeys)
-                    {
-                        if (postData.Length > 0)
-                        {
-                            postData += "&";
-                        }
-                        qs[key] = HttpUtility.UrlDecode(qs[key]);
-                        qs[key] = UrlEncode(qs[key]);
-                        postData += key + "=" + qs[key];
-
-                    }
-                    if (url.IndexOf("?") > 0)
-                    {
-                        url += "&";
-                    }
-                    else
-                    {
-                        url += "?";
-                    }
-                    url += postData;
-                }
-            }
-
-            var uri = new Uri(url);
-            
-            string nonce = GenerateNonce();
-            string timeStamp = GenerateTimeStamp();
-
-            //Generate Signature
-            string sig = GenerateSignature(uri,
-                ConsumerKey,
-                ConsumerSecret,
-                Token,
-                TokenSecret,
-                CallBackUrl,
-                OAuthVerifier,
-                method.ToString(),
-                timeStamp,
-                nonce,
-                out outUrl,
-                out querystring);
-
-        	querystring += "&" + OAuthSignatureKey + "=" + UrlEncode(sig);
-
-            //Convert the querystring to postData
-            if (method == Method.POST || method == Method.DELETE)
-            {
-                postData = querystring;
-                querystring = "";
-            }
-
-            if (querystring.Length > 0)
-            {
-                outUrl += "?";
-            }
-
-            ret = WebRequest(method, outUrl +  querystring, postData);
+		public string AccessTokenGet(string requestToken, string verifier)
+		{
+			OAuthTokenResponse accessToken = OAuthUtility.GetAccessToken(ConsumerKey, ConsumerSecret, requestToken, verifier);
+			if (accessToken!=null)
+			{
+				var tokens = new OAuthTokens
+				             	{
+				             		AccessToken = accessToken.Token,
+				             		AccessTokenSecret = accessToken.TokenSecret,
+				             		ConsumerKey = ConsumerKey,
+				             		ConsumerSecret = ConsumerSecret
+				             	};
 
-            return ret;
-        }
-
-        /// <summary>
-        /// Web Request Wrapper
-        /// </summary>
-        /// <param name="method">Http Method</param>
-        /// <param name="url">Full url to the web resource</param>
-        /// <param name="postData">Data to post in querystring format</param>
-        /// <returns>The web server response.</returns>
-        public string WebRequest(Method method, string url, string postData)
-        {
-            HttpWebRequest webRequest;
-            StreamWriter requestWriter;
-            string responseData;
-
-            webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
-            webRequest.Method = method.ToString();
-            webRequest.ServicePoint.Expect100Continue = false;
-            //webRequest.UserAgent  = "Identify your application please.";
-            //webRequest.Timeout = 20000;
-
-            if (method == Method.POST || method == Method.DELETE)
-            {
-                webRequest.ContentType = "application/x-www-form-urlencoded";
-
-                //POST the data.
-                requestWriter = new StreamWriter(webRequest.GetRequestStream());
-                try
-                {
-                    requestWriter.Write(postData);
-                }
-                finally
-                {
-                    requestWriter.Close();
-                }
-            }
-
-            responseData = WebResponseGet(webRequest);
-
-        	return responseData;
-
-        }
-
-        /// <summary>
-        /// Process the web response.
-        /// </summary>
-        /// <param name="webRequest">The request object.</param>
-        /// <returns>The response data.</returns>
-        public string WebResponseGet(HttpWebRequest webRequest)
-        {
-            StreamReader responseReader = null;
-            string responseData;
-
-            try
-            {
-                responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
-                responseData = responseReader.ReadToEnd();
-            }
-            finally
-            {
-                webRequest.GetResponse().GetResponseStream().Close();
-                responseReader.Close();
-            }
-
-            return responseData;
-        }
-    }
+				TwitterResponse<TwitterUser> showUserResponse = TwitterUser.Show(tokens, accessToken.UserId);
+				if (showUserResponse.Result == RequestResult.Success)
+					return showUserResponse.Content;
+				return showUserResponse.ErrorMessage;
+			}
+			return string.Empty;
+		}
+	}
 }
diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/Agendas.Twitter/packages.config
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Agendas/trunk/src/Agendas.Twitter/packages.config	Tue Jun 07 21:03:56 2011 -0300
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Newtonsoft.Json" version="3.5.8" />
+  <package id="twitterizer" version="2.3.2" />
+</packages>
\ No newline at end of file
diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/Agendas.Web/Controllers/AccountController.cs
--- a/Agendas/trunk/src/Agendas.Web/Controllers/AccountController.cs	Sat Jun 04 19:41:40 2011 -0300
+++ b/Agendas/trunk/src/Agendas.Web/Controllers/AccountController.cs	Tue Jun 07 21:03:56 2011 -0300
@@ -62,27 +62,19 @@
 
 			if (Request["oauth_token"] == null)
 			{
-				//Redirect the user to Twitter for authorization.
-				//Using oauth_callback for local testing.
 				var action = Url.Action("TwitterLogOn");
 				var url = Request.Url.Scheme + "://" + Request.Url.Host +
 				          (Request.Url.Port != 80 ? ":" + Request.Url.Port : string.Empty) + action;
 
-				oAuth.CallBackUrl = url;
-				Response.Redirect(oAuth.AuthorizationLinkGet());
+				Response.Redirect(oAuth.AuthorizationLinkGet(url).ToString());
 			}
 			else
 			{
-				//Get the access token and secret.
-				oAuth.AccessTokenGet(Request["oauth_token"], Request["oauth_verifier"]);
-				if (oAuth.TokenSecret.Length > 0)
+				var response = oAuth.AccessTokenGet(Request["oauth_token"], Request["oauth_verifier"]);
+				if (response.Length > 0)
 				{
-					//We now have the credentials, so make a call to the Twitter API.
-					const string url = "http://twitter.com/account/verify_credentials.xml";
-					string xml = oAuth.OAuthWebRequest(OAuthTwitter.Method.GET, url, String.Empty);
-
-					var username = GetXmlContent(xml, "screen_name");
-					var nombre = GetXmlContent(xml, "name");
+					var username = GetResponseContent(response, "screen_name");
+					var nombre = GetResponseContent(response, "name");
 
 					var personaService = AgendaFactory.GetPersonaService();
 					if (personaService.Validate(IdentityProviderEnum.Twitter, username, nombre))
@@ -91,34 +83,28 @@
 						return RedirectToAction("Index", "Home");
 					}
 					ModelState.AddModelError("", "The user name or password provided is incorrect.");
-
-
-					//POST Test
-					//url = "http://twitter.com/statuses/update.xml";
-					//xml = oAuth.oAuthWebRequest(oAuthTwitter.Method.POST, url, "status=" + oAuth.UrlEncode("Hello @swhitley - Testing the .NET oAuth API"));
-					//apiResponse.InnerHtml = Server.HtmlEncode(xml);
 				}
 			}
 
 			return RedirectToAction("LogOn");
 		}
 
-    	private static string GetXmlContent(string xml, string tagName)
-    	{
-    		var tagStart = "<" + tagName + ">";
-    		var tagEnd = "</" + tagName + ">";
+		private static string GetResponseContent(string response, string tagName)
+		{
+			var tagStart = "\"" + tagName + "\":";
+			var tagEnd = ",";
 
-    		var start = xml.IndexOf(tagStart)+tagStart.Length;
-			if (start>tagStart.Length)
+			var start = response.IndexOf(tagStart) + tagStart.Length;
+			if (start > tagStart.Length)
 			{
-				var end = xml.IndexOf(tagEnd, start);
-				if (end>0)
+				var end = response.IndexOf(tagEnd, start);
+				if (end > 0)
 				{
-					return xml.Substring(start, end - start);
+					return response.Substring(start + 1, end - start - 2);
 				}
 			}
-    		return string.Empty;
-    	}
+			return string.Empty;
+		}
 
     	// **************************************
         // URL: /Account/LogOff
diff -r 2434c2323f3d -r 1ee5711256db Agendas/trunk/src/install packages.bat
--- a/Agendas/trunk/src/install packages.bat	Sat Jun 04 19:41:40 2011 -0300
+++ b/Agendas/trunk/src/install packages.bat	Tue Jun 07 21:03:56 2011 -0300
@@ -2,5 +2,6 @@
 ..\tools\nuget i Agendas.Repositories.NHibernate\packages.config -o packages
 ..\tools\nuget i Agendas.NHibernate\packages.config -o packages
 ..\tools\nuget i Agendas.Web\packages.config -o packages
+..\tools\nuget i Agendas.Twitter\packages.config -o packages
 
 PAUSE
\ No newline at end of file