bash script to login to webpage

Question

I am trying to login into this page but I cannot for the life of me get it to work. I have to login to this site when i connect to my school\'s wifi in order to start a sess

Answer 1

import java.io.BufferedReader;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map.Entry;
import java.util.Vector;


public class AuthUrl {
    String username="";
    String password="";
    private Boolean error=false;
    private static final String conurl="campus.fsu.edu";
    private static final String  auth_url="http://campus.fsu.edu/webapps/loggedin.htm";


    public AuthUrl() {}


    public AuthUrl( String username, String password) { 
        this.username = username;
        this.password = password;   
    }




    public String Result()  {


    String url = "http://"+conurl+"/webapps/login/bb_bb60/logincas.jsp";
    String charset = "UTF-8";


    StringBuilder sba=new StringBuilder();
    sba.append("Username: "+username+"  ("+conurl+")
");
    try {
        String query = String.format("qualifier=%s&username=%s&password=%s",
                URLEncoder.encode(username, charset),
                URLEncoder.encode(password, charset));

        HttpURLConnection authi = (HttpURLConnection) new URL(url + "?" + query).openConnection();
        authi.connect();


        StringBuilder sb = new StringBuilder();
        // find the cookies in the response header from the first request
        List cookies = authi.getHeaderFields().get("Set-Cookie");
        if (cookies != null) {
            for (String cookie : cookies) {
                if (sb.length() > 0) {
                    sb.append("; ");
                }
                // only want the first part of the cookie header that has the value
                String value = cookie.split(";")[0];
                sb.append(value);
            }

        }

        //If authentication passed the Location field will have a value
        //however the user has put in invalid details the Location within header will be null
        List location = authi.getHeaderFields().get("Location");
        if (location == null) {
             error=true;
        } 

        if (error==false) {   

        // build request cookie header to send on all subsequent requests
        String cookieHeader = sb.toString();

        // with the cookie header your session should be preserved
           // Now connect to authenticated url - and show its contents  
        URL regUrl = new URL(auth_url);
        HttpURLConnection regCon = (HttpURLConnection) regUrl.openConnection();
        regCon.setRequestProperty("Cookie", cookieHeader);
        regCon.connect();
        //int rc = regCon.getResponseCode();

        //for (Entry> header : regCon.getHeaderFields().entrySet()) {
        //    System.out.println(header.getKey() + "=" + header.getValue());
        //}

        BufferedReader br = new BufferedReader(new java.io.InputStreamReader(regCon.getInputStream()));
        String line = null; 
            String searchingfor="";
        while ((line = br.readLine()) != null){
                    // To Parse the results over here logics would be needed such as 
                    //if (line.indexOf("some_string")>-1) { 
                       // searhingfor=line.substring(line.indexOf("Pattern before),line.indexOf("endstring")+4)
                     //where 4 if number of characters end string was.
                    //}
                    //above is commented for now print each line 
            sba.append(line+"
");
        }

        }

        }else{
                sba.append("Authentication has failed - credintials did not meet the criteria for username:"+ username+" on url: "+url+ "?" + query);
        }

    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }


    return(sba.toString());
}
}

This is the same answer written in java and works with http https