Simple snippet for Onet Czat's authorisation procedure written in Java.

gistfile1.java

package a;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CookieStore;
import org.apache.http.client.HttpClient;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.protocol.ClientContext;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.util.EntityUtils;


public class Test {
	protected final static String username = "username"; // Onet Chat's username
	protected final static String password = "pwd"; // Onet Chat's password
	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {

        HttpClient httpclient = new DefaultHttpClient();
        try {
            // Create a local instance of cookie store
            CookieStore cookieStore = new BasicCookieStore();

            // Create local HTTP context
            HttpContext localContext = new BasicHttpContext();
            // Bind custom cookie store to the local context
            localContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore);

            HttpGet httpget = new HttpGet("http://kropka.onet.pl/_s/kropka/1?DV=czat/applet/FULL");

            System.out.println("executing request " + httpget.getURI());

            // Pass local context as a parameter
            HttpResponse response = httpclient.execute(httpget, localContext);
            HttpEntity entity = response.getEntity();

            System.out.println("Step 1 ----------------------------------------");
            System.out.println(response.getStatusLine());
            if (entity != null) {
                System.out.println("Response content length: " + entity.getContentLength());
            }
            List<Cookie> cookies = cookieStore.getCookies();
            for (int i = 0; i < cookies.size(); i++) {
                System.out.println("Local cookie: " + cookies.get(i));
            }

            // Consume response content
            EntityUtils.consume(entity);

            HttpGet httpget2 = new HttpGet("http://czat.onet.pl/myimg.gif");

            System.out.println("executing request " + httpget2.getURI());

            // Pass local context as a parameter
            HttpResponse response2 = httpclient.execute(httpget2, localContext);
            HttpEntity entity2 = response2.getEntity();

            System.out.println("Step 2 ----------------------------------------");
            System.out.println(response2.getStatusLine());

            List<Cookie> cookies2 = cookieStore.getCookies();
            for (int i = 0; i < cookies2.size(); i++) {
                System.out.println("Local cookie: " + cookies2.get(i));
            }

            // Consume response content
            EntityUtils.consume(entity2);

            System.out.println("Step 3 ----------------------------------------");

            HttpPost httppost = new HttpPost("http://secure.onet.pl/mlogin.html");

            System.out.println("executing request " + httppost.getURI());

            try {
            	//r=&url=&login=%1&haslo=%2&app_id=20&ssl=1&ok=1
                // Add your data
                List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
                nameValuePairs.add(new BasicNameValuePair("r", ""));
                nameValuePairs.add(new BasicNameValuePair("url", ""));
                nameValuePairs.add(new BasicNameValuePair("login", username));
                nameValuePairs.add(new BasicNameValuePair("haslo", password));
                nameValuePairs.add(new BasicNameValuePair("app_id", "20"));
                nameValuePairs.add(new BasicNameValuePair("ssl", "0"));
                nameValuePairs.add(new BasicNameValuePair("ok", "1"));
                httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

                // Execute HTTP Post Request
                HttpResponse response3 = httpclient.execute(httppost, localContext);
                HttpEntity entity3 = response3.getEntity();
            
                // Consume response content
                EntityUtils.consume(entity3);

            } catch (HttpResponseException e) {
            	//System.err.println(e.response.);
            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
            } catch (IOException e) {
                // TODO Auto-generated catch block
            }

            System.out.println("Step 4 ----------------------------------------");

            HttpPost httppost2 = new HttpPost("http://czat.onet.pl/include/ajaxapi.xml.php3");

            System.out.println("executing request " + httppost2.getURI());

            try {
                // Add your data
                List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
                nameValuePairs.add(new BasicNameValuePair("api_function", "getUoKey"));
                nameValuePairs.add(new BasicNameValuePair("params", "a:3:{s:4:\"nick\";s:"+username.length()+":\""+username+"\";s:8:\"tempNick\";i:0;s:7:\"version\";s:22:\"1.1(20110818-1158 - R)\";}"));
                httppost2.setEntity(new UrlEncodedFormEntity(nameValuePairs));

                // Execute HTTP Post Request
                HttpResponse response4 = httpclient.execute(httppost2, localContext);
                HttpEntity entity4 = response4.getEntity();
                BufferedReader reader = new BufferedReader(new
                        InputStreamReader(entity4.getContent()));
                System.out.println(reader.readLine());

                EntityUtils.consume(entity4);

            } catch (HttpResponseException e) {
            	//System.err.println(e.response.);
            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
            } catch (IOException e) {
                // TODO Auto-generated catch block
            }

        } finally {
            // When HttpClient instance is no longer needed,
            // shut down the connection manager to ensure
            // immediate deallocation of all system resources
            httpclient.getConnectionManager().shutdown();
        }
    }

	public boolean fourthStep() {
		return false;
		
		
	}

}