📄 transferpacket.java
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/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 notXX
* luma <stubma@163.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.tsinghua.lumaqq.qq.packets.out._05;
import static org.apache.commons.codec.digest.DigestUtils.md5;
import java.nio.ByteBuffer;
import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.qq.annotation.DocumentalPacket;
import edu.tsinghua.lumaqq.qq.annotation.PacketName;
import edu.tsinghua.lumaqq.qq.annotation.RelatedPacket;
import edu.tsinghua.lumaqq.qq.beans.QQUser;
import edu.tsinghua.lumaqq.qq.packets.PacketParseException;
import edu.tsinghua.lumaqq.qq.packets._05OutPacket;
import edu.tsinghua.lumaqq.qq.packets.in._05.TransferReplyPacket;
/**
* <pre>
* 传送数据包
* 如果传送基本信息
* 1. 头部
* 2. 未知的8字节
* 3. session id, 4字节
* 4. 未知的4字节
* 5. 后面的数据长度,2字节,不包括包尾,包括本身
* 6. 未知2字节,和5相同?
* 7. 图片的md5
* 8. 文件名的md5
* 9. 文件长度,4字节
* 10. 文件名长度,2字节
* 11. 文件名
* 12. 未知的8字节
* 13. 尾部
*
* 如果传送数据信息
* 1. 头部
* 2. 未知的8字节,如果不是最后一个分片,则为,0x1000000000000001,如果是,则为随机字节
* 3. session id, 4字节
* 4. 未知的4字节
* 5. 数据分片长度,2字节
* 6. 数据分片
* 7. 包尾
*
* 如果是接收方,则这个包用来通知服务器开始发送表情
* 1. 头部
* 2. 未知的8字节
* 3. session id, 4字节
* 4. 未知的4字节
* 5. 后面的数据长度,2字节
* 6. 4个字节,全0
* 7. 尾部
*
* 如果是接收方对文件数据的回复,则为
* 1. 头部
* 2. 未知的8字节
* 3. session id, 4字节
* 4. 未知的4字节
* 5. 后面的数据长度,2字节
* 6. 一个字节,0x02,所以5一般是0x0001
* 7. 尾部
* </pre>
*
* @author luma
*/
@DocumentalPacket
@PacketName("传送自定义表情数据请求包")
@RelatedPacket({TransferReplyPacket.class})
public class TransferPacket extends _05OutPacket {
// 公用字段
private int sessionId;
// 用于发送基本信息时
private byte[] md5;
private int imageLength;
private String fileName;
// 用户发送数据时
private byte[] fragment;
private boolean data;
private boolean last;
private boolean requestSend;
private boolean dataReply;
/**
* @param user
* @param data
* true表示这是数据分片
* @param last
* true表示这是最后一个数据分片
*/
public TransferPacket(QQUser user, boolean data, boolean last) {
super(QQ.QQ_05_CMD_TRANSFER, data ? (last ? true : false) : true, user);
this.data = data;
this.last = last;
requestSend = true;
}
/**
* 构造一个请求发送数据包
*
* @param user
*/
public TransferPacket(QQUser user) {
super(QQ.QQ_05_CMD_TRANSFER, false, user);
requestSend = false;
dataReply = false;
}
/**
* @param buf
* @param length
* @param user
* @throws PacketParseException
*/
public TransferPacket(ByteBuffer buf, int length, QQUser user) throws PacketParseException {
super(buf, length, user);
}
/* (non-Javadoc)
* @see edu.tsinghua.lumaqq.qq.packets._05OutPacket#getCryptographStart()
*/
@Override
protected int getCryptographStart() {
return -1;
}
@Override
public String getPacketName() {
return "Transfer Packet";
}
/* (non-Javadoc)
* @see edu.tsinghua.lumaqq.qq.packets.Packet#putBody(java.nio.ByteBuffer)
*/
@Override
protected void putBody(ByteBuffer buf) {
if(!requestSend) {
// 2. 未知的8字节
buf.putLong(0x0100000000000000L);
// 3. session id, 4字节
buf.putInt(sessionId);
// 未知4字节
buf.putInt(0);
// 后面的内容长度和内容
if(dataReply) {
buf.putChar((char)0x0001);
buf.put((byte)0x02);
} else {
buf.putChar((char)0x04);
buf.putInt(0);
}
} else if(data) {
// 2. 未知的8字节,如果不是最后一个分片,则为,0x1000000000000001,如果是,则为随机字节
if(last)
buf.putLong(0x0100000000000000L);
else
buf.putLong(0x0100000000000001L);
// 3. session id, 4字节
buf.putInt(sessionId);
// 4. 未知的4字节
buf.putInt(0);
// 5. 数据分片长度,2字节
buf.putChar((char)fragment.length);
// 6. 数据分片
buf.put(fragment);
} else {
// 2. 未知的8字节
buf.putLong(0x0100000000000000L);
// 3. session id, 4字节
buf.putInt(sessionId);
// 4. 未知的4字节
buf.putInt(0);
// 5. 后面的数据长度,2字节
buf.putChar((char)0);
// 6. 未知2字节,和5相同?
int pos = buf.position();
buf.putChar((char)0);
// 7. 图片的md5
buf.put(md5);
// 8. 文件名md5
byte[] fileNameBytes = fileName.getBytes();
buf.put(md5(fileNameBytes));
// 9. 文件长度,4字节
buf.putInt(imageLength);
// 10. 文件名长度,2字节
buf.putChar((char)fileName.length());
// 11. 文件名
buf.put(fileNameBytes);
// 12. 未知的8字节
buf.putLong(0);
char len = (char)(buf.position() - pos);
buf.putChar(pos - 2, len);
buf.putChar(pos, len);
}
}
/**
* @return Returns the imageLength.
*/
public int getImageLength() {
return imageLength;
}
/**
* @param imageLength The imageLength to set.
*/
public void setImageLength(int imageLength) {
this.imageLength = imageLength;
}
/**
* @return Returns the md5.
*/
public byte[] getMd5() {
return md5;
}
/**
* @param md5 The md5 to set.
*/
public void setMd5(byte[] md5) {
this.md5 = md5;
}
/**
* @return Returns the sessionId.
*/
public int getSessionId() {
return sessionId;
}
/**
* @param sessionId The sessionId to set.
*/
public void setSessionId(int sessionId) {
this.sessionId = sessionId;
}
/**
* @return Returns the fileName.
*/
public String getFileName() {
return fileName;
}
/**
* @param fileName The fileName to set.
*/
public void setFileName(String fileName) {
this.fileName = fileName;
}
/**
* @return Returns the fragment.
*/
public byte[] getFragment() {
return fragment;
}
/**
* @param fragment The fragment to set.
*/
public void setFragment(byte[] fragment) {
this.fragment = fragment;
}
/**
* @return Returns the requestSend.
*/
public boolean isRequestSend() {
return requestSend;
}
/**
* @param requestSend The requestSend to set.
*/
public void setRequestSend(boolean requestSend) {
this.requestSend = requestSend;
}
public boolean isDataReply() {
return dataReply;
}
public void setDataReply(boolean dataReply) {
this.dataReply = dataReply;
}
}
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