WebRetriever.cs :  » Build-Systems » CruiseControl.NET » ThoughtWorks » CruiseControl » CCTrayLib » Monitoring » C# / CSharp Open Source

using System;
using System.Collections.Specialized;
using System.IO;
using System.Net;

namespace ThoughtWorks.CruiseControl.CCTrayLib.Monitoring{
  public class WebRetriever : IWebRetriever
  {
    public string Get(Uri uri)
    {
      ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };

      WebRequest request = WebRequest.Create(uri);
      if (uri.UserInfo != string.Empty)
      {
        request.Credentials = BasicAuthentication(uri);
      }
      using (WebResponse response = request.GetResponse())
      {
        using (Stream responseStream = response.GetResponseStream())
        {
          StreamReader streamReader = new StreamReader(responseStream);
          return streamReader.ReadToEnd();
        }
      }
    }

    private ICredentials BasicAuthentication(Uri uri)
    {
      string username = uri.UserInfo.Split(':')[0];
      string password = uri.UserInfo.Split(':')[1];

      NetworkCredential myCred = new NetworkCredential(username, password);
      CredentialCache myCache = new CredentialCache();
      myCache.Add(uri, "Basic", myCred);

      return myCache;
    }

    public string Post(Uri uri, NameValueCollection input)
    {
      ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
      WebRequest request = WebRequest.Create(uri);
      string strInput = GetInputString(input);
      
      request.Method = "POST";
      request.ContentType = "application/x-www-form-urlencoded";
      request.ContentLength = strInput.Length;
      
      Stream writeStream = request.GetRequestStream();
      System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
      byte[] bytes = encoding.GetBytes(strInput);
      writeStream.Write(bytes, 0, bytes.Length);
      writeStream.Close();

            using (WebResponse response = request.GetResponse())
            {
                using (Stream responseStream = response.GetResponseStream())
                {
                    StreamReader streamReader = new StreamReader(responseStream);
                    return streamReader.ReadToEnd();
                }
            }
    }
    
    private static string GetInputString(NameValueCollection input)
    {
      string strInput = string.Empty;
      
      for (int i = 0; i < input.Keys.Count; i++)
      {
        if (strInput.Length == 0)
        {
          strInput = string.Format("{0}={1}", input.Keys[i], input[input.Keys[i]]);
        }
        else
        {
          strInput += string.Format("&{0}={1}", input.Keys[i], input[input.Keys[i]]);
        }
      }

      return strInput;
    }
  }
}