<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="java.util.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.security.*"%>
<%@ page import="java.net.URLEncoder"%>

<%!
	public static String byte2HEX(byte b) {
		return (""+"0123456789ABCDEF".charAt(0xf&b>>4)+"0123456789ABCDEF".charAt(b&0xF));
	}

	public static byte stringHEX2bytes(String str) {
		return (byte) ("0123456789ABCDEF".indexOf(str.substring(0,1))*16 + "0123456789ABCDEF".indexOf(str.substring(1)));
	}
	public static String md5bytes2string(byte[] bytes){
		String result = "";
		for(int i=0; i<bytes.length; i++){
			result += byte2HEX(bytes[i]);
		}
		return result;
	}
	public static byte[] md5string2bytes(String str){
		byte[] b = new byte[str.length()/2];
		for(int i=0; i<b.length; i++){
			String s = str.substring(i*2,i*2+2);
			b[i] = stringHEX2bytes(s);
		}
		return b;
	}
	public boolean checkValidate(String vnetloginname,String token,String verifycode){
		try{
			String seed = token + vnetloginname + "vnetvalidate";
			MessageDigest md = MessageDigest.getInstance("MD5");
			String mdresult = md5bytes2string(md.digest(seed.getBytes()));
			return mdresult.equalsIgnoreCase(verifycode);
		}catch(Exception e){
			return false;
		}
	}
	public boolean checkValidateForNode(String vnetloginname,String token,String verifycode,String nodeid,String nodeverifyresult){
		try{
			String seed = token + nodeid + vnetloginname + nodeverifyresult + "vnetvalidate";
			MessageDigest md = MessageDigest.getInstance("MD5");
			String mdresult = md5bytes2string(md.digest(seed.getBytes()));
			return mdresult.equalsIgnoreCase(verifycode);
		}catch(Exception e){
			return false;
		}
	}
%>
<%
	//地區的node id,測試節點為"2"
	String nodeid="2";
	//本網頁的網址，從Vnet網站跳回時用
	String return_url="http://localhost:9000/demoicp/LogonAndCheckByNodeID.jsp";
	//取傳回的參數
	String nodeverifyresult = request.getParameter("nodeverifyresult");
	String vnetloginname = request.getParameter("vnetloginname");
	String token = request.getParameter("token");
	String verifycode = request.getParameter("verifycode");
	String nodestring = request.getParameter("nodestring");

	if(nodeverifyresult == null || nodeverifyresult.length()==0){
		//初始頁面
		String jumpURL = com.onewaveinc.portalman.webpro.WebProManager.getAuthenticationJumpURL()+"?node_id=" + nodeid;
		jumpURL += "&return_url="+URLEncoder.encode(return_url);
		out.println("<BR>NodeID:1廣州27茂名2測試節點28韶關11深圳29梅州12珠海30潮州13惠州31陽江14江門32汕尾15汕頭33云浮16湛江34揭陽20佛山35河源21東莞36清遠22中山37潮陽25肇慶38寬帶南海26順德39廣西卡用戶<BR>");
		out.println("<A href='" + jumpURL + "'>單擊此處跳轉到Vnet登陸頁面</A><BR><BR><A href='http://gd.chinavnet.com/' target='_blank'>單擊此處跳轉到Vnet主頁</A>");
	}else if("success".equalsIgnoreCase(nodeverifyresult)){
		//檢查校驗碼是否正確，如果不正確，說明是用戶修改了跳回時的參數值
		if(checkValidateForNode(vnetloginname,token,verifycode,nodeid,nodeverifyresult)){
			out.println("地域驗證通過,Vnet用戶名為:" + vnetloginname + ",用戶地區編碼為" + nodestring);
		}else{
			out.println("地域驗證通過,但校驗碼不正確<BR>");
		}
	}else{
		//檢查校驗碼是否正確，如果不正確，說明是用戶修改了跳回時的參數值
		if(checkValidate(vnetloginname,token,verifycode)){
			out.println("地域驗證不通過,Vnet用戶名為:" + vnetloginname);
		}else{
			out.println("地域驗證不通過,校驗碼也不正確<BR>");
		}
	}
%>