braintree 支付

<?php
/**
+------------------------------------------------------------------------------
 * 支付宝类
 */
namespace CommonLibPay;
use CommonLibAliyunEail;
use CommonLibPayFactory;
use CommonLibPayment;
use CommonModelOrderModel;
use CommonModelOrderPaymentModel;
use ThinkException;
use ThinkLog;
use ThinkThink;

class BraintreeMacaroonApp implements Payment{

    private $_debug         = false;

    private $_pay_method    = 'braintree';
    private $_config        = null;
    private $_gateway       = null;
    private $_merchantAccountId     = [
        'usd' => 'macaroonUSD', //美元
        'hkd' => 'macaroonHKD', //港币
        'cny' => 'macaroonCNY', //人民币
        'jpy' => 'macaroonJPY', //日元
        'eur' => 'macaroonEUR', //欧元
        'gbp' => 'macaroonGBP', //英镑
        'krw' => 'macaroonKRW', //韩元

    ]; //货币对应的merchantAccountId; 目前仅可以使用usd
    private $_customerPre   = ''; //用户名前缀, 当前仅 环球使用，写死。后期可以做多账号配置，需要改表。
    private $_customerId    = null;
    public  $_err           = '';


    const LAU               = 1; //商品语言类型必须是1 英文。 uro_retail_product，language_version
    const IV_SIZE           = 16;

    public function __construct() {

        if( APP_DEBUG )
            $this->_debug   = true;

        if( $this->_debug ) {
            $this->_config['environment']       = 'sandbox';
            $this->_config['merchantId']        = '8cwhx5kvnkt9cnq5';
            $this->_config['publicKey']         = 'bh9k88388mxk3g99';
            $this->_config['privateKey']        = '58d9f669ee35d2502ab5447bfb968dc2';
            $this->_merchantAccountId['usd']    = '';
            $this->_merchantAccountId['hkd']    = 'had';
            $this->_merchantAccountId['jpy']    = 'riyuan';
            $this->_customerPre                 = 'macaroon_test123';
        }else {
            $this->_config['environment']       = '';
            $this->_config['merchantId']        = '';
            $this->_config['publicKey']         = '';
            $this->_config['privateKey']        = '';
            $this->_customerPre                 = '';
        }

        import("Pay.braintree_macaroon_app.lib.Braintree", VENDOR_PATH, '.php' );
        $this->_gateway         = new Braintree_Gateway( [
            'merchantId'        => $this->_config['merchantId'],
            'publicKey'         => $this->_config['publicKey'],
            'privateKey'        => $this->_config['privateKey'],
            'environment'       => $this->_config['environment'],
            'timeout'           => 2,
        ] );

    }

    public function getAllowCurrency()
    {
        return array_keys( $this->_merchantAccountId );
    }

    /**
     * 初始化订单信息，返回 clientoken，orderinfo 信息
     * author liuxiaodong
     * date 2018/7/27 17:56
     * @param array $params
     * @return array
     */
    public function send( $order, $needClienToken = true )
    {
        $this->_customerId  = $this->getCreateCustom( $order['braintree']['uid'],$order['currency_short_hand'] );
        $this->_warnNotice( 'send -- getClientToken', 'get request', 'debug' );

        $res            = ['clientoken' => '', 'transaction' => []];

        if( $needClienToken ) {
            try{
                $param      = [];
                if( $this->_customerId ) {
                    $param  = [
                        'customerId'        => $this->_customerId
                    ];
                }
                $res['clientoken']      = $this->_gateway->clientToken()->generate( $param );
            }catch ( Exception $e ) {
                $this->_err     = $e->getMessage();
                $this->_warnNotice( 'send -- getClientToken', '错误信息：格式化exception ==' . json_encode( $order ) . ' , errmsg = ' . $e->getMessage()  );
                return [];
            }
        }

        $res['transaction']     = $this->_encrypt( $order['braintree'] );
        $this->_warnNotice( 'send -- getClientToken', 'send request' . json_encode( $res ), 'debug' );

        return $res;
    }


    /**
    create table uro_braintree_uid(
    id int unsigned not null auto_increment,
    uid int unsigned not null default 0 comment '本站id',
    bid varchar(256) not null default '' comment 'braintree customerid',
    primary key (`id`),
    unique key (`uid`)
    ) engine innodb charset utf8 comment 'braintree 用户对应关系表，creditcard，paypal等信息以后可加字段';
     * 获取、创建braintree 用户，
     * author liuxiaodong
     * date 2018/7/31 15:38
     * @param $uid
     * @return string
     */
    private function getCreateCustom( $uid, $currency = '' )
    {
        $model      = M('braintreeUid');
        $bid        = $model->where( ['uid' => $uid] )->getField( 'bid' );
        if( $bid )
            return $bid;

        $bid        = '';
        $_id        = $this->_customerPre . $uid;
        try{

            $find   = $this->_gateway->customer()->find( $_id );
            if( $find->merchantId ) {
                $bid    = $_id;
                if( !$model->add( ['uid' => $uid, 'bid' => $bid] ) )
                    $this->_warnNotice( 'send -- into db error', '数据入库失败，入库数据为 = '.  json_encode( ['uid' => $uid, 'bid' => $bid] ) . ',err =' . $model->getLastSql() .'|'. $model->getDbError() );
            }else
                $this->_warnNotice( 'send -- res error', '请求braintree服务器，查找用户信息失败 = ' . json_encode( $find ) );

            return $bid;
        }catch ( Exception $e ) {
            try{
                $res        = $this->_gateway->customer()->create( [
                    'id'    => $_id
                ] );
                if( $res->success ) {
                    $bid    = $res->customer->id;
                    if( !$model->add( ['uid' => $uid, 'bid' => $bid] ) )
                        $this->_warnNotice( 'send -- into db error', '数据入库失败，入库数据为 = '.  json_encode( ['uid' => $uid, 'bid' => $bid] ) . ',err =' . $model->getLastSql() .'|'. $model->getDbError() );
                }else
                    $this->_warnNotice( 'send -- res error', '请求braintree服务器，生成用户信息失败 = ' . json_encode( $res ) );

                return $bid;
            }catch ( Exception $e ) {
                $this->_warnNotice( 'send -- createCustom', '请求braintree服务器，抛出异常' . json_encode( $e ) );
                return $bid;
            }
        }



    }

    public function receive($params)
    {

    }


    //此接口做支付
    public function notify( $params )
    {
        $this->_warnNotice( 'notify', '参数' . json_encode( $params ), 'debug' );

        if( empty( $params['nonce'] )
            || empty( $params['transaction'] )
        ) {
            $this->_warnNotice( 'notify', '请求参数异常 无nonce、transaction， 参数为 == ' . json_encode( $params ) );
            $this->_err         = 'invalid params';
            return false;
        }

        $transaction        = $this->_decrypt( $params['transaction'] );
        if( empty( $transaction ) || !is_array( $transaction ) ) {
            $this->_warnNotice( 'notify', '参数异常, 无transaction == ' . json_encode( $params ) );
            $this->_err         = 'invalid params';
            return false;
        }

        //读取订单信息
        $currency       = $transaction['currency'];
        if( empty( $transaction['skipCheck'] ) ) {
            $model          = D('Common/Order');
            $order          = $model->find( $transaction['oid'] );
            if( !$order ) {
                $this->_err         = 'invalid order info';
                $this->_warnNotice( 'notify', '读取订单信息异常 == ' . json_encode( $transaction ) . ' from ' . $params['client'] . ' order == ' . json_encode( $order ) . ' sql ==' . $model->getLastSql() );
                return false;
            }

            if( $order['amount'] != $transaction['amount'] ) {
                $this->_err         = 'check amount error';
                $this->_warnNotice( 'notify', '核对订单金额失败 == ' . json_encode( $transaction ) . ' from ' . $params['client'] . ' order amount = ' .$order['amount'] );
                return false;
            }
            //2019-3-11获取商品币种
            $currency = M('Country')->where(['id' => $order['coin_id']])->getField('currency_short_hand');
            if(empty($currency))
                return false;
        }
        $currency = strtolower($currency);

        $amount     = $transaction['amount'];

        //商品信息
        $lineItems  = [];
        // if( !empty( $transaction['goods'] ) ) {
        //     foreach ( $transaction['goods'] as $v ) {
        //         $lineItems[] = [
        //             'description'   => $transaction['oid'], // Maximum 127 characters
        //             'kind'          => 'debit',
        //             'name'          => mb_substr( $v['product_info']['name'], 0, 30, 'utf8' ) . '...',
        //             'productCode'   => $v['product_id'], //gid
        //             'quantity'      => $v['num'],
        //             'totalAmount'   => $v['product_info']['price'] * $v['product_info']['num'],
        //             'unitAmount'    => $v['product_info']['price'],
        //             'url'           => ''
        //         ];
        //     }
        // }

        $this->_customerId      = $this->getCreateCustom( $transaction['uid'] );
        $trans      = [
            'amount'                => $amount, //总金额
            'merchantAccountId'     => $this->_merchantAccountId[$currency], //merchantAccountId
            'paymentMethodNonce'    => $params['nonce'],
            'orderId'               => $transaction['oid'],
            'customerId'            => $this->_customerId,
            'options'               => [
                'submitForSettlement'     => true, //申请结算
            ]
        ];
        if( !empty( $lineItems ) )
            $trans['lineItems']     = $lineItems;

        $this->_warnNotice( 'notify', 'sale 发送请求' . json_encode( $trans ) . 'from ' . $params['client'], 'debug' );
        $res        = $this->_gateway->transaction()->sale( $trans );
        $this->_warnNotice( 'notify', 'sale 结果' . json_encode( $res->success ) . 'from ' . $params['client'], 'debug' );
        if( $res->success ) {
            $trance         = $res->transaction;
//            $this->write_log( json_encode( $res ), 2, $transaction['trade_number'] );

            if( empty( $transaction['skipCheck'] ) ) {
                $payMentData    = [
                    'result'    => 1,
                    'order_number'  => $transaction['trade_number'],
                    'trade_number'  => $transaction['trade_number'],
                    'serial_number'     => $trance->id
                ];
                $completeres            = PayFactory::PayComplete( $payMentData, OrderModel::ORDER_PAY_TYPE_BRAINTREE ,$res);
                $this->_warnNotice( 'notify', 'PayComplete == ' . json_encode( $payMentData ) . 'from ' . $params['client'] . ' == res ==' . json_encode( $completeres ), 'debug' );
                if( !$completeres ){
                    $this->_err         = 'server error ';
                    $this->_warnNotice( 'notify', 'PayComplete失败 , 参数 == ' . json_encode( $payMentData ) . ' from ' . $params['client'] );
                }

                return ['id' => $transaction['trade_number']];
            }else {
                    return ['id' => $trance->id, 'order_id' => $trance->orderId];
            }
        }else {
            $__msg      = $res->message;
            if( $res->transaction->processorResponseCode == 2046 ) {
                $__msg  = "{$res->message} . The customer's bank is unwilling to accept the transaction. For credit/debit card transactions, the customer will need to contact their bank for more details regarding this generic decline; if this is a PayPal transaction, the customer will need to contact PayPal.";
            }
            $this->_err         = $__msg . '('.$res->transaction->processorResponseCode.')';
            $this->_warnNotice( 'notify', '请求 sale 发送交易抛出异常, 简讯 '.$this->_err.'  详情 == ' . json_encode( $res ), 'error' );
            return false;
        }

    }

  

    public function write_log($content, $status, $trade_number){
        $data = array(
            'order_number' => $trade_number,
            'pay_method' => $this->_pay_method,
            'status' => $status,
            'content' => $content,
            'created_time' => date('Y-m-d H:i:s')
        );
        D('Common/OrderPaymentLog')->add($data);
    }


    /**
     * 获取客户端token
     * author liuxiaodong
     * date 2018/7/26 15:57
     * @return array
     */
    public function getClientToken()
    {
        try{
            $token      = $this->_gateway->clientToken()->generate();
            return [true, $token];
        }catch ( Exception $e ) {
            $this->_warnNotice( 'getClientToken', '获取clienttoken 失败。。'  . json_encode( $e ), 'error' );
            return [false, $e->getMessage()];
        }
    }

    private function _warnNotice( $action, $msg, $level = 'error' )
    {
        if( $level == 'debug' && !$this->_debug )
            return;

        $msg        .= PHP_EOL;
//        Log::write( $action . ' -- ' . $msg, $level, '', C('LOG_PATH') . 'braintreeErr/' . date( 'Y-m-d' ) . '.log'  );
        Log::write( $action . ' -- ' . $msg, $level, '', durableLog( 'braintreeErr' )  );

        if( !$this->_debug ) {
            $email      = new AliyunEail();
            $email->sendEmail( 'email?????email', 'braintree pay error',  date( 'Y-m-d H:i:s' ) . '<br />' . $msg );
        }
    }

    /**
     * Encrypts the input text using the cipher key
     *
     * @param $input
     * @return string
     */
    private function _encrypt( Array $input)
    {
        $input      = json_encode( $input );
        // Create a random IV. Not using mcrypt to generate one, as to not have a dependency on it.
        $iv = substr(uniqid("", true), 0, self::IV_SIZE);
        // Encrypt the data
        $encrypted = openssl_encrypt($input, "AES-256-CBC", 'macaroon', 0, $iv);
        // Encode the data with IV as prefix
        return base64_encode($iv . $encrypted);
    }

    /**
     * Decrypts the input text from the cipher key
     *
     * @param $input
     * @return string
     */
    private function _decrypt($input)
    {
        // Decode the IV + data
        $input  = base64_decode($input);
        // Remove the IV
        $iv = substr($input, 0, self::IV_SIZE);
        // Return Decrypted Data
        $output     =  openssl_decrypt(substr($input, self::IV_SIZE), "AES-256-CBC", 'macaroon', 0, $iv);
        return json_decode( $output, true );
    }

    public function getError()
    {
        $msg    = $this->_err ? $this->_err : 'server fail';
        return $msg;
    }

    //退款
    public function refund($params)
    {

        $transaction_id = $params['trade_no'];
        $amount = abs($params['totalFee'] * 1.00);
        $transaction_info = $this->_gateway->transaction()->find($transaction_id);
        if($transaction_info->status == 'submitted_for_settlement'){
            //如果交易尚未结算 暂不让退款
            return ['code' => 3, 'info' => 'braintree尚未结算，暂不能退款'];
        }

        $response       = $this->_gateway->transaction()->refund($transaction_id, $amount);
        $ext_str = json_encode($response);
        if($response->success) {
            printLog("退款成功,订单号:{$params['orderNo']},信息:{$ext_str}",'braintree_refund_suc');
            return ['code' => 1, 'info' => $ext_str];
        }else{
            printLog("退款失败,订单号:{$params['orderNo']},信息:{$ext_str}",'braintree_refund_fail');
            return ['code' => 0, 'info' => $ext_str];
        }


    }

    //检测币种
    public function checkCurrency($currency){
        //获取商家支持的货币账户
        $merchantAccountIterator = $this->_gateway->merchantAccount()->all();
        $support_currencys = [];
        foreach($merchantAccountIterator as $merchantAccount) {
            $support_currencys[] = $merchantAccount->currencyIsoCode;
        }

        //如果商品币种商户已创建
        if(in_array($currency,$support_currencys)){
            return true;
        }else{
            return false;
        }

    }


}