<?php
namespace Jiaruan;

class ProtoLogin {
			

	public  function proc( $req ){
		//检查签名
		if($req->sign != $this->sign_req($req) ){
			log_error('check sign failed '  . json_encode($req));
			return $this->create_resp($req,1);
		}
		else{
			log_debug('check sign success '  . json_encode($req));
			return $this->create_resp($req,0);
		}
	}
	
 
	private  function sign_req( $req ){
		$str = $req->type;
		$str.= $req->msgid;
		$str.= $req->model;
		$str.= $req->mac;
		$str.= $req->sn;
		$str.= $req->version;
		$str.= $req->wip;
		$str.= $req->nmode;
		$str.= $req->rssi;
		$str.= $req->serialnum;
		$str.= $req->uptime;
		$str.= C('协议签名密钥');
		return strtoupper(md5(urlencode($str)));
	}
	
 
	private  function sign_resp( $resp ){
		$str = $resp['type'];
		$str.= $resp['msgid'];
		//$str.= $resp['result'];
		$str.= C('协议签名密钥');
		return strtoupper(md5(urlencode($str)));
	}
	
 
	public  function create_resp( $req, $result ){
		$resp = array(
			'type' => 2,
			'msgid' => $req->msgid,
			'mac' => $req->mac,
			'sign' => '',
			'result' => $result,
		);
		$resp['sign'] = $this->sign_resp($resp);
		return $resp;
	}
	

}