jsp 应用系统整合discuz论坛用户系统

关键代码

/** */ /**
     * MD5算法
     * @param strToEncrypt
     * @return
     */
     public   static  String  Md5(String strToEncrypt)
     {
        char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
                'a', 'b', 'c', 'd', 'e', 'f' };
            try 
            {
                byte[] strTemp = strToEncrypt.getBytes();
                MessageDigest mdTemp = MessageDigest.getInstance("MD5");
                mdTemp.update(strTemp);
                byte[] md = mdTemp.digest();
                int j = md.length;
                char str[] = new char[j * 2];
                int k = 0;
                for (int i = 0; i < j; i++) 
                {
                    byte byte0 = md[i];
                    str[k++] = hexDigits[byte0 >>> 4 & 0xf];
                    str[k++] = hexDigits[byte0 & 0xf];
                }
                return new String(str);
            }
            catch (Exception e)
            {
                return "";
            }

    }

整合函数

package  com.tecamo.cms.util;

import  java.io.UnsupportedEncodingException;
import  java.util.Map;
import  java.util.Random;
import  java.util.Set;

import  com.tecamo.util.encrypt.EncryptString;

import  sun.misc.BASE64Decoder;


public   class  DiscuzPassportUtils 
{

        public static String passportEncrypt(String src, String key) {
                Random random = new Random();
                random.setSeed(System.currentTimeMillis());
                String rand = "" + random.nextInt() % 32000;
                String encryptKey = EncryptString.encryptMD5(rand);

                int ctr = 0;
                String tmp = "";

                for (int i = 0; i < src.length(); ++i) {
                        ctr = (ctr == encryptKey.length() ? 0 : ctr);
                        tmp += encryptKey.charAt(ctr);
                        char c = (char) (src.charAt(i) ^ encryptKey.charAt(ctr));
                        tmp += c;
                        ctr++;
                }
                String passportKey = passportKey(tmp, key);
                return new sun.misc.BASE64Encoder().encode(passportKey.getBytes());
        }

        public static String passortDecrypt(String src, String key) {
                byte[] bytes = null;
                try {
                        bytes = new BASE64Decoder().decodeBuffer(src);
                        src = new String(bytes);
                } catch (Exception e) {
                        return null;
                }
                src = passportKey(src, key);

                String tmp = "";
                for (int i = 0; i < src.length(); ++i) {
                        char c = (char)(src.charAt(i) ^ src.charAt(++i));
                        tmp += c;
                }
                return tmp;
        }

        public static String passportKey(String src, String key) {
                String encryptKey = EncryptString.encryptMD5(key);
                int ctr = 0;
                String tmp = "";
                for (int i = 0; i < src.length(); ++i) {
                        ctr = (ctr == encryptKey.length() ? 0 : ctr);
                        char c = (char) (src.charAt(i) ^ encryptKey.charAt(ctr));
                        tmp += c;
                        ctr++;
                }
                return tmp;
        }

        
        public static String passportEncode(Map<String, String> data) {
                Set<String> keys = data.keySet();
                String ret = "";
                for (String key : keys) {
                        try {
                                ret += java.net.URLEncoder.encode(key, "UTF-8") + "=" + java.net.URLEncoder.encode(data.get(key), "UTF-8") + "&";
                        } catch (UnsupportedEncodingException e) {
                                return "";
                        }
                }
                if (ret.length() > 0)
                        return ret.substring(0, ret.length() - 1);
                return "";
        }
}

调用方法:
login.jsp

<% @ page language = " java "   import = " java.util.* "  pageEncoding = " gbk " %>
<% @page  import = " com.tecamo.util.web.MyRequest " %>
<% @page  import = " com.tecamo.cms.util.DiscuzPassportUtils " %>
<% @page  import = " com.tecamo.cms.util.ShareFunction " %>
<% @page  import = " com.tecamo.util.encrypt.EncryptString " %>
<% @page  import = " java.net.URLEncoder " %>
<%

String strUser = (String) session.getAttribute( " username " );
if (strUser != null   &&   ! strUser.equals( "" ))
{
    out.println("当前用户:" + strUser);
}

String forward = MyRequest.getString(request, " forward " , "" );
String action = MyRequest.getString(request, " action " , "" );
if (action.equals( " login " ))
{
    String forumURL="http://devserver:8066";
    String userName=MyRequest.getString(request,"account","");
    String email=userName;
    String pwd=MyRequest.getString(request,"pwd","");
    Map<String, String> mb = new LinkedHashMap<String, String>();

    mb.put("time", ""+System.currentTimeMillis());
    mb.put("username", userName);
    mb.put("email", email);
    mb.put("password", pwd);
    String key = "12345678901"; 
    String enc=DiscuzPassportUtils.passportEncode(mb);
    String auth = DiscuzPassportUtils.passportEncrypt(enc, key);
    String verify = "login" + auth + forward + key;
    verify = EncryptString.encryptMD5(verify);                                        
    String location = forumURL+"/api/passport.php?action=login&auth="+URLEncoder.encode(auth, "UTF-8")+"&forward="+URLEncoder.encode(forward, "UTF-8")+"&verify="+URLEncoder.encode(verify, "UTF-8");

    response.sendRedirect(location);
    
    session.setAttribute("username",userName);
}

  %>
<! DOCTYPE HTML PUBLIC  " -//W3C//DTD HTML 4.01 Transitional//EN " >
< html >
   < head >
  
   </ head >
  
   < body >
       < form >
           < table >
               < tr >
                   < td > 帐号 </ td >< td >< input type = " text "  name = " account " ></ td >
               </ tr >
               < tr >< td > 密码 </ td >< td >< input type = " password "  name = " pwd " ></ td ></ tr >
               < tr >< td colspan = " 2 " >
               < input type = " hidden "  value = " <%=forward%> " >
               < input type = " hidden "  name = " action "  value = " login " >
               < input type = " submit "  value = " 登录 " >   </ td ></ tr >
           </ table >
       </ form >
   </ body >
</ html >

logout.jsp

<% @ page language = " java "   import = " java.util.* "  pageEncoding = " ISO-8859-1 " %>
<% @page  import = " com.tecamo.util.encrypt.EncryptString " %>
<% @page  import = " java.net.URLEncoder " %>
<% @page  import = " com.tecamo.util.web.MyRequest " %>
<%
//discuz 地址
String forumURL = http://dddd:8066 ;
String forward = MyRequest.getString(request, " forward " , "" );
//discuz 配置的私钥
String key  =   " 12345678901 " ;                                        
String verify  =   " logout "   +  forward  +  key;
verify  =  EncryptString.encryptMD5(verify);        
String location  =  forumURL + " /api/passport.php?action=logout&forward= " + URLEncoder.encode(forward,  " UTF-8 " ) + " &verify= " + URLEncoder.encode(verify,  " UTF-8 " );
response.sendRedirect(location);
session.invalidate();
%>