net.sparkeh.magisterlib.MagisterLib.java Source code

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Here is the source code for net.sparkeh.magisterlib.MagisterLib.java

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package net.sparkeh.magisterlib;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import org.json.simple.JSONObject;

/**
 *
 * @author BeMacized
 */
public class MagisterLib {

    private static String APIURL;
    private static String USR;
    private static String PWD;

    public static String getResponse(String URL) throws Exception {
        String cookie = getAuthCookie(APIURL, USR, PWD);
        ArrayList<String> classes = new ArrayList<>();
        URL obj = new URL(URL);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection(); //add request header
        con.setRequestProperty("User-Agent", "Mozilla/5.0");
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Cookie", "SESSION_ID=" + cookie);
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        return response.toString();
    }

    public static String getAuthCookie(String APIUrl, String username, String password) throws Exception {
        URL obj = new URL(APIUrl + "sessie");
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", "Mozilla/5.0");
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Cookie", "SESSION_ID=349c6fcb-f49a-47c4-b129-09158986155b");
        JSONObject o = new JSONObject();
        o.put("GebruikersNaam", username);
        o.put("Wachtwoord", password);
        o.put("IngelogdBlijven", false);
        o.put("GebruikersnaamOnthouden", false);
        con.setDoOutput(true);
        con.getOutputStream().write(o.toJSONString().getBytes("UTF-8"));
        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + obj.getPath());
        System.out.println("Response Code : " + responseCode);
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        if (con.getHeaderFields().containsKey("Set-Cookie")) {
            String c = con.getHeaderField("Set-Cookie").toString();
            if (c.contains(";")) {
                String[] s = c.split(";");
                for (String k : s) {
                    if (k.contains("SESSION_ID") && k.contains("=")) {
                        return k.split("=")[1].trim();
                    }
                }
            }
        }
        return null;
    }
}