gistfile1.cs

using System;
using System.IO;
using System.Linq;
using System.Net;

namespace Core
{
    public class GoogleTokenQuery
    {
        const string AuthenticationUrlFormat = "accountType=GOOGLE&Email={0}&Passwd={1}&source=davetheninja.net&service=analytics";

        public string GetToken(string email, string password)
        {
            if (string.IsNullOrEmpty(email)) 
                throw new ArgumentException("Google email not specified.");

            if (string.IsNullOrEmpty(password)) 
                throw new ArgumentException("Google password not specified.");

            var authenticationBody = BuildAuthenticationBody(email, password);

            var httpWebRequest = WebRequest.Create("https://www.google.com/accounts/ClientLogin");
            httpWebRequest.Method = "POST";
            httpWebRequest.ContentType = "application/x-www-form-urlencoded";

            string token;

            try
            {
                var stream = httpWebRequest.GetRequestStream();

                using (var streamWriter = new StreamWriter(stream))
                {
                    streamWriter.Write(authenticationBody);
                }

                var httpResponse = httpWebRequest.GetResponse();

                using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
                {
                    var tokenResponse = streamReader.ReadToEnd().Split(new[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
                    token = tokenResponse.Where(t => t.StartsWith("Auth=")).FirstOrDefault().Replace("Auth=", "");
                }
            }
            catch (WebException ex)
            {
                throw new GoogleApiException(ex.Message);
            }

            return token;
        }

        static string BuildAuthenticationBody(string email, string password)
        {
            return string.Format(AuthenticationUrlFormat, email, password);
        }
    }
}



using System.Collections.Generic;
using Google.Analytics;
using Google.GData.Client;

namespace Core
{
    public class GoogleAccountQuery : IGoogleAccountQuery
    {
        readonly string _email;
        readonly string _password;
        readonly string _applicationName;

        public GoogleAccountQuery(string email, string password, string applicationName)
        {
            _email = email;
            _password = password;
            _applicationName = applicationName;
        }

        public IList<GoogleAnalyticsAccount> GetAccounts()
        {
            var token = new GoogleTokenQuery().GetToken(_email, _password);
            
            var credentials = new GDataCredentials(token);
            var requestSettings = new RequestSettings(_applicationName, credentials);
            var accountsFeed = new AnalyticsRequest(requestSettings).GetAccounts();
           
            var accounts = new List<GoogleAnalyticsAccount>();

            accountsFeed.Entries.Each(x => accounts.Add(new GoogleAnalyticsAccount(x)));

            return accounts;
        }
    }
}