/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Project : MiniQQ2
* Package : net.solosky.miniqq
* File : Encryptor.java
* Author : solosky < solosky772@qq.com >
* Created : 2010-4-10
* License : Apache License 2.0
*/
package iqq.im.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
/**
*
*
* @author solosky <solosky772@qq.com>
*/
public class QQEncryptor {
/**
* 获取好友列表时计算的HASH参数 基本上照抄eqq.all.js代码即可
*
* @param uin
* 当前登录用户UIN
* @param ptwebqq
* Cookie中的ptwebqq的值
* @return
*/
public static String hash(String uin, String ptwebqq) {
String a = uin;
String e = ptwebqq;
byte[] c = new byte[a.length()];
for (int i = 0; i < a.length(); i++) {
c[i] = (byte) (a.charAt(i) - '0');
}
int k = -1;
for (int b = 0, d = 0; d < c.length; d++) {
b += c[d];
b %= e.length();
int f = 0;
if (b + 4 > e.length()) {
for (int g = 4 + b - e.length(), h = 0; h < 4; h++) {
if (h < g) {
f |= (e.charAt(b + h) & 255) << (3 - h) * 8;
} else {
f |= (e.charAt(h - g) & 255) << (3 - h) * 8;
}
}
} else {
for (int h = 0; h < 4; h++) {
f |= (e.charAt(b + h) & 255) << (3 - h) * 8;
}
}
k ^= f;
}
return Integer.toHexString(k).toUpperCase();
}
/**
* 获取好友列表时计算的HASH参数 v2012.04.19更新
*
* @param uin
* 当前登录用户UIN
* @param ptwebqq
* Cookie中的ptwebqq的值
* @return
*/
public static String hash2(String uin, String ptwebqq) {
String i = ptwebqq;
String b = uin;
String a = i + "password error";
StringBuffer s = new StringBuffer();
while (s.length() < a.length()) {
s.append(b);
}
String ss = s.substring(0, a.length());
byte[] j = new byte[a.length()];
for (int d = 0; d < a.length(); d++) {
j[d] = (byte) (ss.charAt(d) ^ a.charAt(d));
}
return byte2HexString(j);
}
/**
* 获取好友列表时计算的HASH参数 v2012.07.20更新 感谢IQQ群里面的@枫叶(953884102)提供
*
* @param uin
* 当前登录用户UIN
* @param ptwebqq
* Cookie中的ptwebqq的值
* @return
*/
public static String hash3(String uin, String ptwebqq) {
String i = ptwebqq;
String b = uin;
int[] a = new int[i.length()];
char[] iString = i.toCharArray();
for (int s = 0; s < i.length(); s++) {
a[s % 4] ^= (int) iString[s];
}
String[] j = { "EC", "OK" };
int[] d = new int[4];
d[0] = Integer.parseInt(b) >> 24 & 255 ^ (int) j[0].toCharArray()[0];
d[1] = Integer.parseInt(b) >> 16 & 255 ^ (int) j[0].toCharArray()[1];
d[2] = Integer.parseInt(b) >> 8 & 255 ^ (int) j[1].toCharArray()[0];
d[3] = Integer.parseInt(b) & 255 ^ (int) j[1].toCharArray()[1];
int[] k = new int[8];
for (int s = 0; s < 8; s++)
k[s] = s % 2 == 0 ? a[s >> 1] : d[s >> 1];
String[] aa = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A",
"B", "C", "D", "E", "F" };
String dd = "";
for (int s = 0; s < k.length; s++) {
dd += aa[k[s] >> 4 & 15];
dd += aa[k[s] & 15];
}
return dd;
}
/**
* 获取好友列表时计算的Hash参数 v2013.08.17更新
*
* @param uin
* 当前登录用户UIN
* @param ptwebqq
* Cookie中的ptwebqq的值
* @return hash
*/
public static String hashP(String uin, String ptwebqq) {
String s = "";
try {
String js = "function getHash(b,i){for(var a=[],s=0;s<i.length;s++)a[s%4]^=i.charCodeAt(s);var j=['EC','OK'],d=[];d[0]=b>>24&255^j[0].charCodeAt(0);d[1]=b>>16&255^j[0].charCodeAt(1);d[2]=b>>8&255^j[1].charCodeAt(0);d[3]=b&255^j[1].charCodeAt(1);j=[];for(s=0;s<8;s++)j[s]=s%2==0?a[s>>1]:d[s>>1];a=['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'];d='';for(s=0;s<j.length;s++)d+=a[j[s]>>4&15],d+=a[j[s]&15];return d}";
ScriptEngineManager mgr = new ScriptEngineManager();
ScriptEngine engine = mgr
.getEngineByMimeType("application/javascript");
engine.eval(js);
Invocable inv = (Invocable) engine;
s = (String) inv.invokeFunction("getHash", uin, ptwebqq);
} catch (Exception e) {
e.printStackTrace();
}
return s;
}
/***
* 计算登录时密码HASH值
*
* @param uin
* @param plain
* @param verify
* @return
*/
public static String encrypt(long uin, String plain, String verify) {
byte[] data = concat(md5(plain.getBytes()), long2bytes(uin));
String code = byte2HexString(md5(data));
data = md5((code + verify.toUpperCase()).getBytes());
return byte2HexString(data);
}
private static byte[] concat(byte[] bytes1, byte[] bytes2) {
byte[] big = new byte[bytes1.length + bytes2.length];
System.arraycopy(bytes1, 0, big, 0, bytes1.length);
System.arraycopy(bytes2, 0, big, bytes1.length, bytes2.length);
return big;
}
/**
* 计算一个字节数组的Md5值
*
* @param bytes
* @return
*/
private static byte[] md5(byte[] bytes) {
MessageDigest dist = null;
byte[] result = null;
try {
dist = MessageDigest.getInstance("MD5");
result = dist.digest(bytes);
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
return result;
}
/**
* 把字节数组转换为16进制表示的字符串
*
* @param b
* @return
*/
private static String byte2HexString(byte[] b) {
StringBuffer sb = new StringBuffer();
char[] hex = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8',
'9', 'A', 'B', 'C', 'D', 'E', 'F' };
if (b == null)
return "null";
int offset = 0;
int len = b.length;
// 检查索引范围
int end = offset + len;
if (end > b.length)
end = b.length;
sb.delete(0, sb.length());
for (int i = offset; i < end; i++) {
sb.append(hex[(b[i] & 0xF0) >>> 4]).append(hex[b[i] & 0xF]);
}
return sb.toString();
}
/**
* 计算GTK(gtk啥东东？)
*
* @param skey
* @return
*/
public static String gtk(String skey) {
int hash = 5381;
for (int i = 0; i < skey.length(); i++) {
hash += (hash << 5) + skey.charAt(i);
}
return Integer.toString(hash & 0x7fffffff);
}
/**
* 把整形数转换为字节数组
*
* @param i
* @return
*/
public static byte[] long2bytes(long i) {
byte[] b = new byte[8];
for (int m = 0; m < 8; m++, i >>= 8) {
b[7 - m] = (byte) (i & 0x000000FF); // 奇怪, 在C# 整型数是低字节在前 byte[]
// bytes =
// BitConverter.GetBytes(i);
// 而在JAVA里，是高字节在前
}
return b;
}
/**
* 把一个16进制字符串转换为字节数组，字符串没有空格，所以每两个字符 一个字节
*
* @param s
* @return
*/
public static byte[] hexString2Byte(String s) {
int len = s.length();
byte[] ret = new byte[len >>> 1];
for (int i = 0; i <= len - 2; i += 2) {
ret[i >>> 1] = (byte) (Integer.parseInt(s.substring(i, i + 2)
.trim(), 16) & 0xFF);
}
return ret;
}
}