<?php
define('IN_WEB', true);
include(dirname(__FILE__) . "/../lib/ProtocolsEvent.php");//解码

$str = $_REQUEST['param'];
if(isset($str)&&!empty($str)){
    ProtocolsEvent::apiDecode($str);
}
include (dirname(__FILE__)."/../com.php");//核心
if(IS_DEBUF){
    $origin = isset($_SERVER['HTTP_ORIGIN'])? $_SERVER['HTTP_ORIGIN'] : '';
    $allow_origin = array('http://wiki.superant.cc','http://apiwiki.superant.cc');
    if(in_array($origin,$allow_origin)){
        header('Access-Control-Allow-Origin:'.$origin);
    }else{
        header('Access-Control-Allow-Origin:*');//允许跨域
    }
}else{
    header('Access-Control-Allow-Origin:*');//允许跨域
}

class gateway {
    public function __construct($aRequest) {
        //$calStart = oo::timeReleased();
        if(isset($aRequest['saToken']) && isset($aRequest['uid'])) {
            if(!isset($aRequest['saToken'])) {
                die(json_encode(['code'=>errorCode::UNAUTHORIZED_REQUEST,'msg'=>'token empty']));
            }else{
                $token = oo::commonOprRedis('common')->get(okeys::UserToken($aRequest['uid']));
                if($token != $aRequest['saToken']){
                    oo::logs()->debug3(["ts"=>date("H:i:s"),"uid"=>$aRequest['uid'],'cacheToke'=>$token,'postToken'=>$aRequest['saToken']],'tokenerr.log');
                    die(json_encode(['code'=>errorCode::API_TIME_EXPIRED,'msg'=>'token error']));
                }
            }
        }else if(isset($aRequest['uid'])){
            oo::logs()->debug3(["ts"=>date("H:i:s"),"uid"=>$aRequest['uid'],'postToken'=>$aRequest['saToken']],'tokenerr2.log');
        }
        if (!is_array($aRequest)) {
            exit('request is wrong.');
        }
        $aRequest['version'] = isset($aRequest['version']) ? $aRequest['version'] : '1.0.0';
        if (!empty($aRequest['mod'])) {
            $class = preg_replace("/[^a-zA-Z]/", '', trim($aRequest['mod']));
            $class = ucfirst($class);
        } else {
            $class = 'Main';
        }
        /* 获得 act 名 */
        if ( ! empty($aRequest['act'])) {
            $function = preg_replace("/[^a-zA-Z]/", '', trim($aRequest['act']));
            if ($function == 'list') {
                $function = 'listFunction';
            } elseif ( $function == 'main') {
                $function = 'mainFunction';
            }
        } else {
            $function = 'page';
        }

        if(!empty($aRequest['frombg'])){
            $apiFile = 'background';
            $ip = oo::getIp();
            if(!in_array($ip,oo::$config['adminIpList'])){
                die(json_encode(['code'=>-1,'ip'=>$ip,'msg'=>'IP ERROR']));
            }
        }else{
            $apiFile = 'services';
            if(isset($aRequest['superKey'])) {
                $ret = oo::commonOprRedis('statistics')->get(okeys::superKeys($aRequest['uid'],$class,$function,$aRequest['superKey']));
                if($ret){
                    echo $ret;
                    exit(0);
                }
            }
            if(isset($aRequest['service'])){
                $apiFile = 'services_2';
            }
        }
        $file = WWWROOT . 'api/'.$apiFile.'/' . $class . '.php';
        if (!is_file($file)) {
            exit('no file services.');
        }

        include $file;
        $obj = new $class();
        if (!method_exists($obj, $function)) {
            exit('no function:'.$function.'in '.$class.$apiFile);
        }
        $ts1 = oo::getMsectime();
        //奖励等部分接口请求频率限制
        $lock = true;
        if(in_array($apiFile, ['services', 'services_2'])){
            //$confs = oo::cfg('cmdlimit');
            //$lock = true;
            //if(!empty($confs[$apiFile]) && in_array((string)$aRequest['mod'].'.'.(string)$aRequest['act'], $confs[$apiFile])){
            //    $lock = funs::concurrentLock($aRequest['uid'], $apiFile.(string)$aRequest['mod'].(string)$aRequest['act'], 1);
            //}
            $lock = funs::concurrentLock($aRequest['uid'], $apiFile.(string)$aRequest['mod'].(string)$aRequest['act'], 1);
            if(!$lock){ //高频请求
                usleep(100000); //延迟100毫秒
            }
        }
        $result = $obj->$function($aRequest);
        echo $result;

        if(!$lock){ //高频请求记录详细信息,分析客户重复请求行为
            !in_array($aRequest['mod'].'_'.$aRequest['act'],['Level_build','Goods_list']) && oo::logs()->debug3(['req' => $aRequest, 'rsp' => $result], 'frequentapi.log');
            //exit(oo::response(errorCode::API_FREQUENT_REQUESTS));
        }

        $ts2 = oo::getMsectime();
      	if(isset($aRequest['superKey'])) {
            oo::commonOprRedis('statistics')->setex(okeys::superKeys($aRequest['uid'],$class,$function,$aRequest['superKey']),$result,60);
            $lastApi=["mod_act"=>$aRequest['mod'].'_'.$aRequest['act'],"request"=>$aRequest,"result"=>$result,"ts1"=>$ts1,"ts2"=>$ts2];
            oo::commonOprRedis('statistics')->setex(okeys::lastApiReturn($aRequest['uid']),json_encode($lastApi),60*10);//记录最后请求接口
        }
        if(!in_array($apiFile, ['services', 'services_2'])){
            exit(0);
        }
        if($ts2-$ts1>2000){//超时长接口
            oo::logs()->debug3(['time'=>date("Y-m-d H:i:s"),"uid"=>$aRequest['uid'],"expend_ts"=>($ts2-$ts1),"mod"=>$aRequest['mod'],"act"=>$aRequest['act']], 'expend_ts_http.log');
        }
        exit(0);
    }
}
//$_REQUEST = json_decode(file_get_contents('php://input'), true);
new gateway($_REQUEST);