<?php

/**
 * 支付宝授权服务
 * Class AuthService
 * Author SHUI
 * @package alipayAop
 */

define('AOP_SDK_DIR', __DIR__);
require_once AOP_SDK_DIR . '/AopSdk.php';
require_once AOP_SDK_DIR . '/AlipayConfig.php';
require_once AOP_SDK_DIR . '/aop/AopClient.php';
require_once AOP_SDK_DIR . '/aop/SignData.php';
require_once AOP_SDK_DIR . '/aop/request/AlipaySystemOauthTokenRequest.php';

class AuthService {

    public function getAlipayOauthUrl() {
        $param = [
            'apiname'       => 'com.alipay.account.auth',
            'method'        => 'alipay.open.auth.sdk.code.get',
            'app_id'        => AlipayConfig::APPID,
            'app_name'      => 'mc',
            'biz_type'      => 'openservice',
            'pid'           => AlipayConfig::PID,
            'product_id'    => 'APP_FAST_LOGIN',
            'scope'         => 'kuaijie',
            'target_id'     => md5(uniqid()),
            'auth_type'     => 'AUTHACCOUNT',
            'sign_type'     => 'RSA2',
        ];
        
        $aopClient     = new \AopClient;
        $paramStr      = $aopClient->getSignContent($param);
        $param['sign'] = $aopClient->alonersaSign($paramStr, AlipayConfig::APPPRIVATEKEY, 'RSA2');

        return $aopClient->getSignContentUrlencode($param);
    }
    public function getUseridFromAlipay($code) {
        $aop = new \AopClient;
        $aop->gatewayUrl            = AlipayConfig::GATEWAY;
        $aop->appId                 = AlipayConfig::APPID;
        $aop->rsaPrivateKey         = AlipayConfig::APPPRIVATEKEY;
        $aop->alipayrsaPublicKey    = AlipayConfig::ALIPAYPUBLICKEY;
        $aop->apiVersion            = '1.0';
        $aop->signType              = 'RSA2';
        $aop->postCharset           = 'UTF-8';
        $aop->format                = 'json';

        $request = new \AlipaySystemOauthTokenRequest;
        $request->setGrantType('authorization_code');
        $request->setCode($code);
        $result       = $aop->execute($request);
        $responseNode = str_replace('.', '_', $request->getApiMethodName()) . '_response';

        $userid = property_exists($result, $responseNode) ? $result->$responseNode->user_id : 0;

        return $userid;
    }
}