![[Java] Bot connection API](https://www.elitepvpers.com/forum/iconimages/sro-coding-corner/java-bot-connection-api_ltr.gif){kind=small}
This is a release of my Java connection API, which can be used to connect your bot via a proxy.
Code:
/**
* Class for Silkroad packet transaction via proxy
*
* @author Vinator
*
*/
public class BotConnection {
public static final String botName = "Your bot's name";
public static boolean connectionFlag;
public static String opCode;
public static int size;
private Socket botSocket;
private BufferedWriter send;
private BufferedReader receive;
private String packet;
static {
connectionFlag = false;
opCode = "";
size = 0;
}
public BotConnection(String ip, int port) {
try {
botSocket = new Socket(ip, port);
send = new BufferedWriter(new OutputStreamWriter(botSocket.getOutputStream()));
receive = new BufferedReader(new InputStreamReader(botSocket.getInputStream(), "ISO-8859-1"));
} catch (UnknownHostException e) {
JOptionPane.showMessageDialog(null, "Proxy connection failed!");
System.exit(0);
e.printStackTrace();
} catch (IOException e) {
JOptionPane.showMessageDialog(null, "Proxy connection failed!");
System.exit(0);
e.printStackTrace();
}
}
/**
* Sends a notice to the Silkroad-Client
*
* @param data Message to send
*/
public void sendNotice(String data) {
StringBuffer strB = new StringBuffer();
String msg = "AutoPot: " + data;
strB.append(ToHex((byte)7));
strB.append(getHex(msg.length()));
strB.append(stringToHex(msg));
sendPacket("3026", strB.toString(), "0002");
}
/**
* Converts an ASCII-String to a Hex-String
*
* @param data
* @return Hex-String from ASCII-String
*/
public String stringToHex(String data) {
StringBuffer strB = new StringBuffer();
char[] tempArray = data.toCharArray();
for(int i = 0; i < tempArray.length; i++) {
strB.append(ToHex((byte)tempArray[i]));
}
return strB.toString();
}
/**
* Converts a byte to a Hex-String
*
* @param data
* @return Hex-String from byte
*/
public String ToHex(byte data) {
if(data < 16) {
return "0" + Integer.toHexString(data).toUpperCase();
} else {
return Integer.toHexString(data).toUpperCase();
}
}
/**
* Converts a Word to a Hex-String
*
* @param data
* @return Hex-String from Word
*/
public String ToHex(char data) {
if(data <= 255) {
if(data < 16) {
return "0" + Integer.toHexString(data).toUpperCase();
} else {
return Integer.toHexString(data).toUpperCase();
}
} else if(data < 4096) {
return "0" + Integer.toHexString(data).toUpperCase();
} else {
return Integer.toHexString(data).toUpperCase();
}
}
/**
* Converts a Word to a Hex-String
*
* @param data
* @return Hex-String from Word
*/
public String ToHex(short data) {
if(data <= 255) {
if(data < 16) {
return "0" + Integer.toHexString(data).toUpperCase();
} else {
return Integer.toHexString(data).toUpperCase();
}
} else if(data < 4096) {
return "0" + Integer.toHexString(data).toUpperCase();
} else {
return Integer.toHexString(data).toUpperCase();
}
}
/**
* Sends a packet to the Silkroad-Proxy
*
* @param opCode OPCode of the Packet
* @param data Data of the Packet
* @param security Security Bytes
*/
public void sendPacket(String opCode, String data, String security) {
StringBuffer strB = new StringBuffer();
strB.append(getHex(data.length() / 2));
strB.append(reverseWord(opCode));
strB.append(reverseWord(security));
strB.append(data);
try {
send.write(getHexArray(strB.toString()));
send.flush();
} catch (IOException e) {
// TODO Auto-generated catch block
System.out.println("Couldn't send.");
e.printStackTrace();
}
}
/**
* Converts a Word into a reversed Hex-String
*
* @param len
* @return reversed Hex-String from Word
*/
public String getHex(int data) {
if(data < 255) {
if(data < 16) {
return reverseWord("000" + Integer.toHexString(data).toUpperCase());
} else {
return reverseWord("00" + Integer.toHexString(data).toUpperCase());
}
} else {
return reverseWord("00" + Integer.toHexString(data).toUpperCase());
}
}
/**
* Reverses a Hex-Word String
*
* @param b
* @return Reversed Hex-String wordwise
*/
public String reverseWord(String b) {
StringBuffer strB = new StringBuffer();
strB.append(b.substring(2, 4));
strB.append(b.substring(0, 2));
return strB.toString();
}
public String parseByte() {
String tempStr = packet.substring(BotCore.packetIndex, (BotCore.packetIndex + 2));
BotCore.packetIndex += 2;
return tempStr;
}
public String parseWord() {
String low = parseByte();
String hi = parseByte();
return hi + low;
}
public String parseDWord() {
String low = parseWord();
String hi = parseWord();
return hi + low;
}
public String parseQWord() {
String low = parseDWord();
String hi = parseDWord();
return hi + low;
}
public String getPacket() {
return packet;
}
/**
* Converts the Hex-String to a char array
*
* @param packet
* @return char Array from Hex-String
*/
public char[] getHexArray(String packet) {
char[] retArray = new char[packet.length() / 2];
String[] tempArray = packet.split("(?<=\\G..)");
for(int i = 0; i < retArray.length; i++) {
retArray[i] = (char) Integer.parseInt(tempArray[i], 16);
}
return retArray;
}
/**
* Reads a packet from the Inputstream
*
* @return Packet as String
*/
public void readPacket() {
char[] packetLength = new char[2];
String packetString;
try {
receive.read(packetLength);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if(packetLength[0] == -1) {
packet = "";
} else {
BotConnection.size = Integer.parseInt(ToHex(packetLength[1]) + ToHex(packetLength[0]), 16);
char[] packetArray = new char[BotConnection.size + 4];
try {
receive.read(packetArray);
} catch (IOException e) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null, "Couldn't read packet data.");
e.printStackTrace();
}
packetString = getPacketString(packetArray);
BotConnection.opCode = reverseWord(packetString.substring(0, 4));
if(packetString.length() > 8) {
packet = packetString.substring(8, packetString.length());
} else {
packet = "0";
}
}
}
public byte[] getByteArray(char[] charArray) {
byte[] tempArray = new byte[charArray.length];
for(int i = 0; i < tempArray.length; i++) {
tempArray[i] = (byte)charArray[i];
}
return tempArray;
}
/**
* Creates a String out of an Array
*
* @param value
* @return Packet as a String
*/
public String getPacketString(char[] value) {
StringBuffer strB = new StringBuffer(BotConnection.size * 2 + 4);
for(int i = 0; i < value.length; i++) {
strB.append(ToHex(value[i]));
}
return strB.toString();
}
/**
* Converts a Hex-String to an ASCII-String
*
* @param packet
* @return Ascii-String
*/
public String hexToAscii(String packet) {
StringBuffer strB = new StringBuffer();
char[] tempCharArray = getHexArray(packet);
for(char value : tempCharArray) {
strB.append(value);
}
return strB.toString();
}
}
