61 lines
1.2 KiB
Java
61 lines
1.2 KiB
Java
import java.io.DataOutputStream;
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import java.io.IOException;
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import java.net.Socket;
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/**
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*
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* @author pbuckley <pbuckley4192@gmail.com>
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*
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* This class is a java implementation of sending commands to a TPLink smart plug.
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*
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* At the moment, it only encrypts and sends the commands.
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*/
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public class TPLink {
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private final static int PORT = 9999;
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public static void main(String[] args) {
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Socket s = null;
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try {
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s = new Socket(args[0], PORT);
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System.out.println(s.isConnected() ? "Connected to Device" : "Device Connection Failed");
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System.out.println("Sending Command: " + args[1]);
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DataOutputStream writer = new DataOutputStream(s.getOutputStream());
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writer.write(encrypt(args[1]));
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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if (s != null) {
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try {
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s.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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System.out.println("Closing");
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}
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public static byte[] encrypt(String s) {
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int key = 171;
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byte[] bs = new byte[s.length() + 4];
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int count = 4;
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for (char c : s.toCharArray()) {
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char a = (char) (key ^ c);
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if (a < 0)
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a += 256;
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key = a;
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bs[count++] = (byte) key;
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}
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return bs;
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}
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}
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