de.cynapsys.homeautomation.ddns.NoIP.java Source code

Introduction

Here is the source code for de.cynapsys.homeautomation.ddns.NoIP.java

Source

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package de.cynapsys.homeautomation.ddns;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.LinkedList;
import java.util.List;
import org.apache.commons.codec.binary.Base64;

public class NoIP extends Thread {

    public static void main(String[] args) {
        NoIP n = new NoIP("anisjribi@gmail.com", "annous1992");
        n.submitHostname("beity.ddns.net");
    }

    private String username;
    private String password;
    //time in minutes
    private int updateTime = 1;

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

    private List<String> hostnames = new LinkedList<String>();

    public void submitHostname(String hostname) {
        synchronized (hostnames) {
            hostnames.add(hostname);
        }
    }

    public void run() {
        while (true) {
            try {
                Thread.sleep((updateTime * 60000));
                if (hostnames.size() <= 0)
                    continue;
                String IP = getCurrentIP();
                if (IP.equals("null"))
                    continue;
                synchronized (hostnames) {
                    for (String host : hostnames) {
                        if (!submitIpUpdate(IP, host))
                            return;
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    private String getCurrentIP() {
        String IP = "null";
        String host = "http://bot.whatismyipaddress.com";
        try {
            URL url = new URL(host);
            HttpURLConnection http = (HttpURLConnection) url.openConnection();
            http.setRequestProperty("User-Agent", "Java NoIP Updated 1.0");
            BufferedReader br = new BufferedReader(new InputStreamReader(http.getInputStream()));
            IP = br.readLine();
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return IP;
    }

    private boolean submitIpUpdate(String newIP, String hostname) {
        String host = "http://dynupdate.no-ip.com/nic/update?hostname=" + hostname + "&myip=" + newIP;
        try {
            URL url = new URL(host);
            HttpURLConnection http = (HttpURLConnection) url.openConnection();
            String auth = new String(Base64.encodeBase64((username + ":" + password).getBytes()));
            http.setRequestProperty("Authorization", "Basic " + auth);
            http.setRequestProperty("User-Agent", "Java NoIP Updated 1.0");
            BufferedReader br = new BufferedReader(new InputStreamReader(http.getInputStream()));
            String line;
            while ((line = br.readLine()) != null) {
                if (line.startsWith("good")) {
                    System.out.println("IP Update Successful: " + line.substring(5));
                    return true;
                } else if (line.startsWith("nochg")) {
                    return true;
                } else if (line.startsWith("badauth")) {
                    System.out.println("Invalid Login Details");
                } else if (line.startsWith("badagent")) {
                    System.out.println("Bad user agent supplied");
                } else if (line.startsWith("abuse")) {
                    System.out.println("Account hs been disabled");
                } else if (line.startsWith("911")) {
                    System.out.println("Server fallover");
                } else if (line.startsWith("!donator")) {
                    System.out.println("You cannot use donator features");
                    return true;
                }
            }
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return false;
    }

}