/*
* 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;
/**
* QQ加密解码
*
* @author solosky
*/
public class QQEncryptor {
/**
* 登录邮箱时用到的，auth_token
*
* @param str a {@link java.lang.String} object.
* @return a long.
*/
public static long time33(String str) {
long hash = 0;
for (int i = 0, length = str.length(); i < length; i++) {
hash = hash * 33 + str.charAt(i);
}
return hash % 4294967296L;
}
/**
* 获取好友列表时计算的Hash参数 v2014.06.14更新
*
* @param uin
* 当前登录用户UIN
* @param ptwebqq
* Cookie中的ptwebqq的值
* @return hash
*/
public static String hash(String uin, String ptwebqq) {
String s = "";
try {
// String js = "P=function(i,a){var j=[];j[0]=i>>24&255;j[1]=i>>16&255;j[2]=i>>8&255;j[3]=i&255;for(var s=[],e=0;e<a.length;++e)s.push(a.charCodeAt(e));e=[];for(e.push(new b(0,s.length-1));e.length>0;){var c=e.pop();if(!(c.s>=c.e||c.s<0||c.e>=s.length))if(c.s+1==c.e){if(s[c.s]>s[c.e]){var J=s[c.s];s[c.s]=s[c.e];s[c.e]=J}}else{for(var J=c.s,l=c.e,f=s[c.s];c.s<c.e;){for(;c.s<c.e&&s[c.e]>=f;)c.e--,j[0]=j[0]+3&255;c.s<c.e&&(s[c.s]=s[c.e],c.s++,j[1]=j[1]*13+43&255);for(;c.s<c.e&&s[c.s]<=f;)c.s++,j[2]=j[2]-3&255;c.s<c.e&&(s[c.e]=s[c.s],c.e--,j[3]=(j[0]^j[1]^j[2]^j[3]+1)&255)}s[c.s]=f;e.push(new b(J,c.s-1));e.push(new b(c.s+1,l))}}s=[\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"A\",\"B\",\"C\",\"D\",\"E\",\"F\"];e=\"\";for(c=0;c<j.length;c++)e+=s[j[c]>>4&15],e+=s[j[c]&15];return e},b=function(b,i){this.s=b||0;this.e=i||0}";
// 20140614修改
StringBuffer sqlSB = new StringBuffer();
sqlSB.setLength(0);
sqlSB.append("P = function(b, j) { \n");
sqlSB.append("\tfor (var a = j + \"password error\", i = \"\", E = [];;) \n");
sqlSB.append("\t\tif (i.length <= a.length) { \n");
sqlSB.append("\t\t\tif (i += b, i.length == a.length) \n");
sqlSB.append("\t\t\t\tbreak \n");
sqlSB.append("\t\t} else { \n");
sqlSB.append("\t\t\ti = i.slice(0, a.length); \n");
sqlSB.append("\t\t\tbreak \n");
sqlSB.append("\t\t} \n");
sqlSB.append("\tfor (var c = 0; c < i.length; c++) \n");
sqlSB.append("\t\tE[c] = i.charCodeAt(c) ^ a.charCodeAt(c); \n");
sqlSB.append("\ta = [\"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\", \"A\", \"B\", \"C\", \"D\", \n");
sqlSB.append("\t\t \"E\", \"F\"]; \n");
sqlSB.append(" i = \"\"; \n");
sqlSB.append(" for (c = 0; c < E.length; c++) \n");
sqlSB.append(" i += a[E[c] >> 4 & 15], i += a[E[c] & 15]; \n");
sqlSB.append(" return i \n");
sqlSB.append("} \n");
String js = sqlSB.toString();
// end
ScriptEngineManager mgr = new ScriptEngineManager();
ScriptEngine engine = mgr
.getEngineByMimeType("application/javascript");
engine.eval(js);
Invocable inv = (Invocable) engine;
s = (String) inv.invokeFunction("P", uin, ptwebqq);
} catch (Exception e) {
e.printStackTrace();
}
return s;
}
/**
*
* 计算登录时密码HASH值
*
* @param uin a long.
* @param plain a {@link java.lang.String} object.
* @param verify a {@link java.lang.String} object.
* @return a {@link java.lang.String} object.
*/
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
*
*/
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
*
*/
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 a {@link java.lang.String} object.
* @return a {@link java.lang.String} object.
*/
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 a long.
* @return an array of byte.
*/
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 a {@link java.lang.String} object.
* @return an array of byte.
*/
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;
}
}