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<?php
// +----------------------------------------------------------------------
// | wechat-php-sdk
// +----------------------------------------------------------------------
// | 版权所有 2014~2017 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方文档: https://www.kancloud.cn/zoujingli/wechat-php-sdk
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zoujingli/wechat-php-sdk
// +----------------------------------------------------------------------
namespace Wechat;
use Wechat\Lib\Tools;
/**
* 微信支付SDK
* @author zoujingli <zoujingli@qq.com>
* @date 2015/05/13 12:12:00
*/
class WechatPay
{
/** 支付接口基础地址 */
const MCH_BASE_URL = 'https://api.mch.weixin.qq.com';
/** 公众号appid */
public $appid;
/** 公众号配置 */
public $config;
/** 商户身份ID */
public $mch_id;
/** 商户支付密钥Key */
public $partnerKey;
/** 证书路径 */
public $ssl_cer;
public $ssl_key;
/** 执行错误消息及代码 */
public $errMsg;
public $errCode;
/**
* WechatPay constructor.
* @param array $options
*/
public function __construct($options = array())
{
$this->config = Loader::config($options);
$this->appid = isset($this->config['appid']) ? $this->config['appid'] : '';
$this->mch_id = isset($this->config['mch_id']) ? $this->config['mch_id'] : '';
$this->partnerKey = isset($this->config['partnerkey']) ? $this->config['partnerkey'] : '';
$this->ssl_cer = isset($this->config['ssl_cer']) ? $this->config['ssl_cer'] : '';
$this->ssl_key = isset($this->config['ssl_key']) ? $this->config['ssl_key'] : '';
}
/**
* 获取当前错误内容
* @return string
*/
public function getError()
{
return $this->errMsg;
}
/**
* 当前当前错误代码
* @return int
*/
public function getErrorCode()
{
return $this->errCode;
}
/**
* 获取当前操作公众号APPID
* @return string
*/
public function getAppid()
{
return $this->appid;
}
/**
* 获取SDK配置参数
* @return array
*/
public function getConfig()
{
return $this->config;
}
/**
* 设置标配的请求参数，生成签名，生成接口参数xml
* @param array $data
* @return string
*/
protected function createXml($data)
{
if (!isset($data['wxappid']) && !isset($data['mch_appid']) && !isset($data['appid'])) {
$data['appid'] = $this->appid;
}
if (!isset($data['mchid']) && !isset($data['mch_id'])) {
$data['mch_id'] = $this->mch_id;
}
isset($data['nonce_str']) || $data['nonce_str'] = Tools::createNoncestr();
$data["sign"] = Tools::getPaySign($data, $this->partnerKey);
return Tools::arr2xml($data);
}
/**
* POST提交XML
* @param array $data
* @param string $url
* @return mixed
*/
public function postXml($data, $url)
{
return Tools::httpPost($url, $this->createXml($data));
}
/**
* 使用证书post请求XML
* @param array $data
* @param string $url
* @return mixed
*/
function postXmlSSL($data, $url)
{
return Tools::httpsPost($url, $this->createXml($data), $this->ssl_cer, $this->ssl_key);
}
/**
* POST提交获取Array结果
* @param array $data 需要提交的数据
* @param string $url
* @param string $method
* @return array
*/
public function getArrayResult($data, $url, $method = 'postXml')
{
return Tools::xml2arr($this->$method($data, $url));
}
/**
* 解析返回的结果
* @param array $result
* @return bool|array
*/
protected function _parseResult($result)
{
if (empty($result)) {
$this->errCode = 'result error';
$this->errMsg = '解析返回结果失败';
return false;
}
if ($result['return_code'] !== 'SUCCESS') {
$this->errCode = $result['return_code'];
$this->errMsg = $result['return_msg'];
return false;
}
if (isset($result['err_code']) && $result['err_code'] !== 'SUCCESS') {
$this->errMsg = $result['err_code_des'];
$this->errCode = $result['err_code'];
return false;
}
return $result;
}
/**
* 创建刷卡支付参数包
* @param string $auth_code 授权Code号
* @param string $out_trade_no 商户订单号
* @param int $total_fee 支付费用
* @param string $body 订单标识
* @param null $goods_tag 商品标签
* @return array|bool
*/
public function createMicroPay($auth_code, $out_trade_no, $total_fee, $body, $goods_tag = null)
{
$data = array(
"appid" => $this->appid,
"mch_id" => $this->mch_id,
"body" => $body,
"out_trade_no" => $out_trade_no,
"total_fee" => $total_fee,
"auth_code" => $auth_code,
"spbill_create_ip" => Tools::getAddress(),
);
empty($goods_tag) || $data['goods_tag'] = $goods_tag;
$json = Tools::xml2arr($this->postXml($data, self::MCH_BASE_URL . '/pay/micropay'));
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 支付通知验证处理
* @return bool|array
*/
public function getNotify()
{
$disableEntities = libxml_disable_entity_loader(true);
$notifyInfo = (array)simplexml_load_string(file_get_contents("php://input"), 'SimpleXMLElement', LIBXML_NOCDATA);
libxml_disable_entity_loader($disableEntities);
if (empty($notifyInfo)) {
Tools::log('Payment notification forbidden access.', "ERR - {$this->appid}");
$this->errCode = '404';
$this->errMsg = 'Payment notification forbidden access.';
return false;
}
if (empty($notifyInfo['sign'])) {
Tools::log('Payment notification signature is missing.' . var_export($notifyInfo, true), "ERR - {$this->appid}");
$this->errCode = '403';
$this->errMsg = 'Payment notification signature is missing.';
return false;
}
$data = $notifyInfo;
unset($data['sign']);
if ($notifyInfo['sign'] !== Tools::getPaySign($data, $this->partnerKey)) {
Tools::log('Payment notification signature verification failed.' . var_export($notifyInfo, true), "ERR - {$this->appid}");
$this->errCode = '403';
$this->errMsg = 'Payment signature verification failed.';
return false;
}
Tools::log('Payment notification signature verification success.' . var_export($notifyInfo, true), "MSG - {$this->appid}");
$this->errCode = '0';
$this->errMsg = '';
return $notifyInfo;
}
/**
* 支付XML统一回复
* @param array $data 需要回复的XML内容数组
* @param bool $isReturn 是否返回XML内容，默认不返回
* @return string
*/
public function replyXml(array $data, $isReturn = false)
{
$xml = Tools::arr2xml($data);
if ($isReturn) {
return $xml;
}
ob_clean();
exit($xml);
}
/**
* 获取预支付ID
* @param string $openid 用户openid，JSAPI必填
* @param string $body 商品标题
* @param string $out_trade_no 第三方订单号
* @param int $total_fee 订单总价
* @param string $notify_url 支付成功回调地址
* @param string $trade_type 支付类型JSAPI|NATIVE|APP
* @param string $goods_tag 商品标记，代金券或立减优惠功能的参数
* @param string $fee_type 交易币种
* @param null $no_credit 是否禁止信用
* @return bool|string
*/
public function getPrepayId($openid, $body, $out_trade_no, $total_fee, $notify_url, $trade_type = "JSAPI", $goods_tag = null, $fee_type = 'CNY', $no_credit = null)
{
$postdata = array(
"body" => $body,
"out_trade_no" => $out_trade_no,
"fee_type" => $fee_type,
"total_fee" => $total_fee,
"notify_url" => $notify_url,
"trade_type" => $trade_type,
"spbill_create_ip" => Tools::getAddress(),
);
empty($openid) || $postdata['openid'] = $openid;
empty($goods_tag) || $postdata['goods_tag'] = $goods_tag;
is_null($no_credit) || $postdata['no_credit'] = $no_credit;
$result = $this->getArrayResult($postdata, self::MCH_BASE_URL . '/pay/unifiedorder');
if (false === $this->_parseResult($result)) {
return false;
}
return in_array($trade_type, array('JSAPI', 'APP')) ? $result['prepay_id'] : ($trade_type === 'MWEB' ? $result['mweb_url'] : $result['code_url']);
}
/**
* 获取二维码预支付ID
* @param string $openid 用户openid，JSAPI必填
* @param string $body 商品标题
* @param string $out_trade_no 第三方订单号
* @param int $total_fee 订单总价
* @param string $notify_url 支付成功回调地址
* @param string $goods_tag 商品标记，代金券或立减优惠功能的参数
* @param string $fee_type 交易币种
* @return bool|string
*/
public function getQrcPrepayId($openid, $body, $out_trade_no, $total_fee, $notify_url, $goods_tag = null, $fee_type = 'CNY')
{
$postdata = array(
"body" => $body,
"out_trade_no" => $out_trade_no,
"fee_type" => $fee_type,
"total_fee" => $total_fee,
"notify_url" => $notify_url,
"trade_type" => 'NATIVE',
"spbill_create_ip" => Tools::getAddress(),
);
empty($goods_tag) || $postdata['goods_tag'] = $goods_tag;
empty($openid) || $postdata['openid'] = $openid;
$result = $this->getArrayResult($postdata, self::MCH_BASE_URL . '/pay/unifiedorder');
if (false === $this->_parseResult($result) || empty($result['prepay_id'])) {
return false;
}
return $result['prepay_id'];
}
/**
* 获取支付规二维码
* @param string $product_id 商户定义的商品id 或者订单号
* @return string
*/
public function getQrcPayUrl($product_id)
{
$data = array(
'appid' => $this->appid,
'mch_id' => $this->mch_id,
'time_stamp' => (string)time(),
'nonce_str' => Tools::createNoncestr(),
'product_id' => (string)$product_id,
);
$data['sign'] = Tools::getPaySign($data, $this->partnerKey);
return "weixin://wxpay/bizpayurl?" . http_build_query($data);
}
/**
* 创建JSAPI支付参数包
* @param string $prepay_id
* @return array
*/
public function createMchPay($prepay_id)
{
$option = array();
$option["appId"] = $this->appid;
$option["timeStamp"] = (string)time();
$option["nonceStr"] = Tools::createNoncestr();
$option["package"] = "prepay_id={$prepay_id}";
$option["signType"] = "MD5";
$option["paySign"] = Tools::getPaySign($option, $this->partnerKey);
$option['timestamp'] = $option['timeStamp'];
return $option;
}
/**
* 关闭订单
* @param string $out_trade_no
* @return bool
*/
public function closeOrder($out_trade_no)
{
$data = array('out_trade_no' => $out_trade_no);
$result = $this->getArrayResult($data, self::MCH_BASE_URL . '/pay/closeorder');
if (false === $this->_parseResult($result)) {
return false;
}
return ($result['return_code'] === 'SUCCESS');
}
/**
* 查询订单详情
* @param $out_trade_no
* @return bool|array
*/
public function queryOrder($out_trade_no)
{
$data = array('out_trade_no' => $out_trade_no);
$result = $this->getArrayResult($data, self::MCH_BASE_URL . '/pay/orderquery');
if (false === $this->_parseResult($result)) {
return false;
}
return $result;
}
/**
* 订单退款接口
* @param string $out_trade_no 商户订单号
* @param string $transaction_id 微信订单号，与 out_refund_no 二选一（不选时传0或false）
* @param string $out_refund_no 商户退款订单号，与 transaction_id 二选一（不选时传0或false）
* @param int $total_fee 商户订单总金额
* @param int $refund_fee 退款金额，不可大于订单总金额
* @param int|null $op_user_id 操作员ID，默认商户ID
* @param string $refund_account 退款资金来源
* 仅针对老资金流商户使用
* REFUND_SOURCE_UNSETTLED_FUNDS --- 未结算资金退款（默认使用未结算资金退款）
* REFUND_SOURCE_RECHARGE_FUNDS --- 可用余额退款
* @param string $refund_desc 退款原因
* @param string $refund_fee_type 退款货币种类
* @return bool
*/
public function refund($out_trade_no, $transaction_id, $out_refund_no, $total_fee, $refund_fee, $op_user_id = null, $refund_account = '', $refund_desc = '', $refund_fee_type = 'CNY')
{
$data = array();
$data['out_trade_no'] = $out_trade_no;
$data['total_fee'] = $total_fee;
$data['refund_fee'] = $refund_fee;
$data['refund_fee_type'] = $refund_fee_type;
$data['op_user_id'] = empty($op_user_id) ? $this->mch_id : $op_user_id;
!empty($out_refund_no) && $data['out_refund_no'] = $out_refund_no;
!empty($transaction_id) && $data['transaction_id'] = $transaction_id;
!empty($refund_account) && $data['refund_account'] = $refund_account;
!empty($refund_desc) && $data['refund_desc'] = $refund_desc;
$result = $this->getArrayResult($data, self::MCH_BASE_URL . '/secapi/pay/refund', 'postXmlSSL');
if (false === $this->_parseResult($result)) {
return false;
}
return ($result['return_code'] === 'SUCCESS');
}
/**
* 退款查询接口
* @param string $out_trade_no
* @return bool|array
*/
public function refundQuery($out_trade_no)
{
$data = array();
$data['out_trade_no'] = $out_trade_no;
$result = $this->getArrayResult($data, self::MCH_BASE_URL . '/pay/refundquery');
if (false === $this->_parseResult($result)) {
return false;
}
return $result;
}
/**
* 获取对账单
* @param string $bill_date 账单日期，如 20141110
* @param string $bill_type ALL|SUCCESS|REFUND|REVOKED
* @return bool|array
*/
public function getBill($bill_date, $bill_type = 'ALL')
{
$data = array();
$data['bill_date'] = $bill_date;
$data['bill_type'] = $bill_type;
$result = $this->postXml($data, self::MCH_BASE_URL . '/pay/downloadbill');
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 发送现金红包
* @param string $openid 红包接收者OPENID
* @param int $total_amount 红包总金额
* @param string $mch_billno 商户订单号
* @param string $sendname 商户名称
* @param string $wishing 红包祝福语
* @param string $act_name 活动名称
* @param string $remark 备注信息
* @param null|int $total_num 红包发放总人数（大于1为裂变红包）
* @param null|string $scene_id 场景id
* @param string $risk_info 活动信息
* @param null|string $consume_mch_id 资金授权商户号
* @return array|bool
* @link https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_5
*/
public function sendRedPack($openid, $total_amount, $mch_billno, $sendname, $wishing, $act_name, $remark, $total_num = 1, $scene_id = null, $risk_info = '', $consume_mch_id = null)
{
$data = array();
$data['mch_billno'] = $mch_billno; // 商户订单号 mch_id+yyyymmdd+10位一天内不能重复的数字
$data['wxappid'] = $this->appid;
$data['send_name'] = $sendname; //商户名称
$data['re_openid'] = $openid; //红包接收者
$data['total_amount'] = $total_amount; //红包总金额
$data['total_num'] = '1'; //发放人数据
$data['wishing'] = $wishing; //红包祝福语
$data['client_ip'] = Tools::getAddress(); //调用接口的机器Ip地址
$data['act_name'] = $act_name; //活动名称
$data['remark'] = $remark; //备注信息
$data['total_num'] = $total_num;
!empty($scene_id) && $data['scene_id'] = $scene_id;
!empty($risk_info) && $data['risk_info'] = $risk_info;
!empty($consume_mch_id) && $data['consume_mch_id'] = $consume_mch_id;
if ($total_num > 1) {
$data['amt_type'] = 'ALL_RAND';
$api = self::MCH_BASE_URL . '/mmpaymkttransfers/sendgroupredpack';
} else {
$api = self::MCH_BASE_URL . '/mmpaymkttransfers/sendredpack';
}
$result = $this->postXmlSSL($data, $api);
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 现金红包状态查询
* @param string $billno
* @return bool|array
* @link https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_7&index=6
*/
public function queryRedPack($billno)
{
$data['mch_billno'] = $billno;
$data['bill_type'] = 'MCHT';
$result = $this->postXmlSSL($data, self::MCH_BASE_URL . '/mmpaymkttransfers/gethbinfo');
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 企业付款
* @param string $openid 红包接收者OPENID
* @param int $amount 红包总金额
* @param string $billno 商户订单号
* @param string $desc 备注信息
* @return bool|array
* @link https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
*/
public function transfers($openid, $amount, $billno, $desc)
{
$data = array();
$data['mchid'] = $this->mch_id;
$data['mch_appid'] = $this->appid;
$data['partner_trade_no'] = $billno;
$data['openid'] = $openid;
$data['amount'] = $amount;
$data['check_name'] = 'NO_CHECK'; #不验证姓名
$data['spbill_create_ip'] = Tools::getAddress(); //调用接口的机器Ip地址
$data['desc'] = $desc; //备注信息
$result = $this->postXmlSSL($data, self::MCH_BASE_URL . '/mmpaymkttransfers/promotion/transfers');
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 企业付款查询
* @param string $billno
* @return bool|array
* @link https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_3
*/
public function queryTransfers($billno)
{
$data['appid'] = $this->appid;
$data['mch_id'] = $this->mch_id;
$data['partner_trade_no'] = $billno;
$result = $this->postXmlSSL($data, self::MCH_BASE_URL . '/mmpaymkttransfers/gettransferinfo');
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
/**
* 二维码链接转成短链接
* @param string $url 需要处理的长链接
* @return bool|string
*/
public function shortUrl($url)
{
$data = array();
$data['long_url'] = $url;
$result = $this->getArrayResult($data, self::MCH_BASE_URL . '/tools/shorturl');
if (!$result || $result['return_code'] !== 'SUCCESS') {
$this->errCode = $result['return_code'];
$this->errMsg = $result['return_msg'];
return false;
}
if (isset($result['err_code']) && $result['err_code'] !== 'SUCCESS') {
$this->errMsg = $result['err_code_des'];
$this->errCode = $result['err_code'];
return false;
}
return $result['short_url'];
}
/**
* 发放代金券
* @param int $coupon_stock_id 代金券批次id
* @param string $partner_trade_no 商户此次发放凭据号（格式：商户id+日期+流水号），商户侧需保持唯一性
* @param string $openid Openid信息
* @param string $op_user_id 操作员帐号, 默认为商户号 可在商户平台配置操作员对应的api权限
* @return bool|array
* @link https://pay.weixin.qq.com/wiki/doc/api/tools/sp_coupon.php?chapter=12_3
*/
public function sendCoupon($coupon_stock_id, $partner_trade_no, $openid, $op_user_id = null)
{
$data = array();
$data['appid'] = $this->appid;
$data['coupon_stock_id'] = $coupon_stock_id;
$data['openid_count'] = 1;
$data['partner_trade_no'] = $partner_trade_no;
$data['openid'] = $openid;
$data['op_user_id'] = empty($op_user_id) ? $this->mch_id : $op_user_id;
$result = $this->postXmlSSL($data, self::MCH_BASE_URL . '/mmpaymkttransfers/send_coupon');
$json = Tools::xml2arr($result);
if (!empty($json) && false === $this->_parseResult($json)) {
return false;
}
return $json;
}
}