484 lines
15 KiB
Go
484 lines
15 KiB
Go
package pay
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import (
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"context"
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"crypto/md5"
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"crypto/tls"
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"encoding/json"
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"encoding/xml"
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"errors"
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"fmt"
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"github.com/rs/zerolog/log"
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"github.com/wechatpay-apiv3/wechatpay-go/core"
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"github.com/wechatpay-apiv3/wechatpay-go/core/option"
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"github.com/wechatpay-apiv3/wechatpay-go/services/refunddomestic"
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"github.com/wechatpay-apiv3/wechatpay-go/services/transferbatch"
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//"github.com/wechatpay-apiv3/wechatpay-go/utils"
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wechatpayutils "github.com/wechatpay-apiv3/wechatpay-go/utils"
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"go-admin/logger"
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"io/ioutil"
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"net/http"
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"sort"
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"strings"
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"time"
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)
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const (
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//公共参数
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SpbilCreateIp = "113.97.33.19"
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NonceStringLength = 32
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WechatUnifiedOrderUrl = "https://api.mch.weixin.qq.com/pay/unifiedorder"
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WxTransferUrl = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers"
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//app端微信支付
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WechatAppId = "wx533b2ea6660ee3ad"
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//WechatMchId = "1493640582" // 1499688752
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WechatMchId = "1499688752" // 1499688752
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//WechatPayKey = "cdbTz6lKwBfqUHvJ4sVrD8Idz2dVOGMe"
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WechatPayKey = "wRro53HnVVlsJQpkfcs200eyaeSvQPog"
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CRSTaCode = "0002" //CRS微信支付入账代码，必须为消费代码
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APP_TRADE = "APP" //APP支付
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WxCheckName = "NO_CHECK"
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//"app_id": "wxb20ee1a562e56453",
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//"app_secret": "26e2a1203ad8403891a78a56a37cade5",
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//"app_mchId": "1517772711",
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//"app_mchSecret": "BCHkQGyEKrgHQIfMSi7E4udkt9Ua6AZV"
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//"wx": {
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//"app_id": "wxff888972e97ff2ef",
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//"app_secret": "3d7335cf0b9fa1d70aa7eb079526ebf0",
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//"app_mchId": "1494688302",
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//"app_mchSecret": "aaff113c243c47e1cf09af30fe3a6d2b"
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//},
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//callbackUrl = "https://zouzou.api.wawazhuawawa.com/api/v1/wxpay/notice"
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//WxCertFile = "/root/zouzou/configs/pro/1494688302_20190624_cert/apiclient_cert.p12"
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//WxKeyFile = "/root/zouzou/configs/pro/1494688302_20190624_cert/apiclient_key.pem"
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//rootCaFile = "/root/zouzou/configs/pro/1494688302_20190624_cert/apiclient_cert.pem"
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WxKeyFile = "./config/merchant/apiclient_key.pem"
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WxRootCaFile = "./config/merchant/apiclient_cert.pem"
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//WxKeyFile = "/www/wwwroot/dev.admin.deovo.com/admin_server/go-admin/config/apiclient_key.pem"
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//WxRootCaFile = "/www/wwwroot/dev.admin.deovo.com/admin_server/go-admin/config/apiclient_cert.pem"
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WxAppId = "wx806c079463b5b56c"
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WxAppSecret = "3d7335cf0b9fa1d70aa7eb079526ebf0"
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//WxAppMchId = "1494688302"
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WxAppMchId = "1609877389"
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WxAppMchSecret = "DeovoMingHuiRengTianTang45675456"
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)
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const (
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mchID string = "1609877389" // 商户号
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mchCertificateSerialNumber string = "7540301D8FD52CCF7D6267DCF7CD2BC0AB467EFF" // 商户证书序列号
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mchAPIv3Key string = "DeovoMingHuiRengTianTang45675123" // 商户APIv3密钥
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)
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//var (
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// mchID string = "1609877389" // 商户号
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// mchCertificateSerialNumber string = "7540301D8FD52CCF7D6267DCF7CD2BC0AB467EFF" // 商户证书序列号
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// mchAPIv3Key string = "DeovoMingHuiRengTianTang45675123" // 商户APIv3密钥
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//)
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type WxTransferResp struct {
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ReturnCode string `xml:"return_code,CDATA"`
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ReturnMsg string `xml:"return_msg,CDATA"`
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ResultCode string `xml:"result_code,CDATA"`
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ErrCodeDes string `xml:"err_code_des,CDATA"`
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PartnerTradeNo string `xml:"partner_trade_no,CDATA"`
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PaymentNo string `xml:"payment_no,CDATA"`
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}
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//https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
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type WxTransferReq struct {
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XMLName xml.Name `xml:"xml"` //xml标签
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MchAppid string `xml:"mch_appid" json:"mch_appid"` //微信分配的小程序ID，必须
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MchId string `xml:"mchid" json:"mchid"` //微信支付分配的商户号，必须
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DeviceInfo string `xml:"device_info" json:"device_info"`
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NonceStr string `xml:"nonce_str" json:"nonce_str"` //随机字符串，必须
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Sign string `xml:"sign" json:"sign"` //签名，必须 //"HMAC-SHA256"或者"MD5"，非必须，默认MD5
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PartnerTradeNo string `xml:"partner_trade_no" json:"partner_trade_no"` //CRS订单号，必须
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OpenId string `xml:"openid" json:"openid"` //微信用户唯一标识，必须
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CheckName string `xml:"check_name" json:"check_name"`
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ReUserName string `xml:"re_user_name" json:"re_user_name"`
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Amount string `xml:"amount" json:"amount"`
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Desc string `xml:"desc" json:"desc"`
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SpbillCreateIp string `xml:"spbill_create_ip" json:"spbill_create_ip"`
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//SignType string `xml:"sign_type" json:"sign_type"` //"HMAC-SHA256"或者"MD5"，非必须，默认MD5
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}
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func GenTradeNo() string {
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now := time.Now().Local()
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strTime := fmt.Sprintf("%04d%02d%02d%02d%02d%02d", now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), now.Second())
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tradeNO := strTime + RandomNumString(100000, 999999)
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return tradeNO
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}
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//给用户打款
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func Transfer(amount uint32, openId string, desc string) (*WxTransferResp, error) {
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tradeNO := GenTradeNo()
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nonce := GenRandStr(NonceStringLength)
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req := WxTransferReq{
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MchAppid: WxAppId,
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MchId: WxAppMchId,
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NonceStr: nonce,
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Sign: "",
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//SignType: "MD5",
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PartnerTradeNo: tradeNO,
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OpenId: openId,
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CheckName: WxCheckName,
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Amount: fmt.Sprintf("%d", amount),
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//Desc: "押金退款",
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Desc: desc,
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SpbillCreateIp: SpbilCreateIp,
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}
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wxResp := WxTransferResp{}
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//生成签名
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m, err := struct2Map(req)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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sign, err := GenWechatPaySign(m, WxAppMchSecret)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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req.Sign = strings.ToUpper(sign)
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payload, err := xml.Marshal(&req)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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request, err := newPostRequest(WxTransferUrl, string(payload))
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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defer request.Body.Close()
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logger.Info("证书路径:", WxRootCaFile)
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logger.Info("证书路径:", WxKeyFile)
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client, err := newHttpClient(WxRootCaFile, WxKeyFile)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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resp, err := client.Do(request)
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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//logger.Info("Transfer resp = ", string(body))
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logger.Info("Transfer resp = ", string(body))
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err = xml.Unmarshal(body, &wxResp)
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if err != nil {
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logger.Error(err)
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return nil, err
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}
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if wxResp.ReturnCode != "SUCCESS" || wxResp.ResultCode != "SUCCESS" {
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return nil, errors.New("Transfer fail")
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}
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return &wxResp, nil
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}
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func newHttpClient(certFile, keyFile string) (*http.Client, error) {
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//
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//cert, err := ioutil.ReadFile(certFile)
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//logger.Info("cert:",string(cert))
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//logger.Info("err:",err)
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//if err != nil {
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// return nil, err
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//}
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//
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//key, err := ioutil.ReadFile(keyFile)
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//logger.Info("key:",string(key))
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//logger.Info("key:",err)
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//if err != nil {
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// return nil, err
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//}
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//tlsCert, err := tls.X509KeyPair(cert, key)
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//logger.Info("tlsCert:",tlsCert)
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//logger.Info("err:",err)
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//if err != nil {
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// return nil, err
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//}
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tlsCert, err := tls.LoadX509KeyPair(certFile, keyFile)
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if err != nil {
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return nil, err
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}
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conf := &tls.Config{
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Certificates: []tls.Certificate{tlsCert},
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}
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trans := &http.Transport{
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TLSClientConfig: conf,
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}
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client := &http.Client{
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Transport: trans,
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}
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return client, nil
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}
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//func newHttpsClient() (*http.Client, error) {
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// tlsCert, err := tls.LoadX509KeyPair(config.AppConfig.WxCertFile, config.AppConfig.WxKeyFile)
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// if err != nil {
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// logger.Error(err)
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// return nil, err
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// }
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//
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// conf := &tls.Config{
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// Certificates: []tls.Certificate{tlsCert},
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// }
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// trans := &http.Transport{
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// TLSClientConfig: conf,
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// }
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// client := &http.Client{
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// Transport: trans,
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// }
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//
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// return client, nil
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//}
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func newPostRequest(url string, content string) (*http.Request, error) {
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request, err := http.NewRequest("POST", url, strings.NewReader(content))
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if err != nil {
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return nil, err
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}
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request.Header.Set("Content-Type", "application/xml")
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return request, nil
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}
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func struct2Map(r interface{}) (s map[string]string, err error) {
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var temp map[string]interface{}
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var result = make(map[string]string)
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bin, err := json.Marshal(r)
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if err != nil {
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return result, err
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}
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if err := json.Unmarshal(bin, &temp); err != nil {
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return nil, err
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}
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for k, v := range temp {
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switch v2 := v.(type) {
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case string:
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result[k] = v2
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case uint, int8, uint8, int, int16, uint16, int32, uint32, int64, uint64:
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result[k] = fmt.Sprintf("%d", v2)
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case float32, float64:
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result[k] = fmt.Sprintf("%.0f", v2)
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}
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}
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return result, nil
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}
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func GenWechatPaySign(m map[string]string, payKey string) (string, error) {
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delete(m, "sign")
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var signData []string
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for k, v := range m {
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if v != "" && v != "0" {
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signData = append(signData, fmt.Sprintf("%s=%s", k, v))
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}
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}
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sort.Strings(signData)
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signStr := strings.Join(signData, "&")
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signStr = signStr + "&key=" + payKey
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logger.Info("签字符串1 :", signStr)
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c := md5.New()
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_, err := c.Write([]byte(signStr))
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if err != nil {
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return "", err
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}
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signByte := c.Sum(nil)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%x", signByte), nil
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}
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//const (
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// mchID string = "1609877389" // 商户号
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// mchCertificateSerialNumber string = "7540301D8FD52CCF7D6267DCF7CD2BC0AB467EFF" // 商户证书序列号
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// mchAPIv3Key string = "DeovoMingHuiRengTianTang45675123" // 商户APIv3密钥
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//)
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//微信商户
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//商户ID：1609877389
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//操作密码：456755
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//密钥API：DeovoMingHuiRengTianTang45675456
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//密钥APIv3: DeovoMingHuiRengTianTang45675123
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//证书序列号：7540301D8FD52CCF7D6267DCF7CD2BC0AB467EFF
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func WxSDKPay(uid uint32, wxName string) {
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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//mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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mchPrivateKey, err := wechatpayutils.LoadPrivateKeyWithPath("/Users/li/mh/mh_admin_server/app/admin/apis/pay/merchant/apiclient_key.pem")
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if err != nil {
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logger.Error("err:", err.Error())
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return
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}
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ctx := context.Background()
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// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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opts := []core.ClientOption{
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option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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}
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client, err := core.NewClient(ctx, opts...)
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if err != nil {
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logger.Errorf("new wechat pay client err:%s", err)
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return
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}
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//// 发送请求，以下载微信支付平台证书为例
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//// https://pay.weixin.qq.com/wiki/doc/apiv3/wechatpay/wechatpay5_1.shtml
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//svc := certificates.CertificatesApiService{Client: client}
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//resp, result, err := svc.DownloadCertificates(ctx)
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//logger.Errorf("status=%d resp=%s", result.Response.StatusCode, resp)
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//// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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//mchPrivateKey, err := utils.LoadPrivateKeyWithPath("/path/to/merchant/apiclient_key.pem")
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//if err != nil {
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// log.Print("load merchant private key error")
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//}
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//ctx := context.Background()
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//// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
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//opts := []core.ClientOption{
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// option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
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//}
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//client, err := core.NewClient(ctx, opts...)
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//if err != nil {
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// log.Printf("new wechat pay client err:%s", err)
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//}
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svc := transferbatch.TransferBatchApiService{Client: client}
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resp, result, err := svc.InitiateBatchTransfer(ctx,
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transferbatch.InitiateBatchTransferRequest{
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Appid: core.String("wxff888972e97ff2ef"),
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OutBatchNo: core.String("plfk20200420131253415624"),
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BatchName: core.String("押金退还"),
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BatchRemark: core.String("押金退还"),
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TotalAmount: core.Int64(40),
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TotalNum: core.Int64(1),
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TransferDetailList: []transferbatch.TransferDetailInput{transferbatch.TransferDetailInput{
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Openid: core.String("ohuHh4riVVPxwKHrYHsWwZRpxVMk"),
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OutDetailNo: core.String("x23zy545Bd5436123145243"),
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TransferAmount: core.Int64(40),
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TransferRemark: core.String("押金退款"),
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//UserName: core.String("12341234"),
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}},
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},
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)
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if err != nil {
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// 处理错误
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logger.Errorf("call InitiateBatchTransfer err:%s", err)
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} else {
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// 处理返回结果
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logger.Errorf("status=%d resp=%s", result.Response.StatusCode, resp)
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}
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}
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type OrderRefund struct {
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OutTradeNo string `json:"out_trade_no"`
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OutRefundNo string `json:"out_refund_no"`
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NotifyUrl string `json:"notify_url"`
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Amount OrderRefundAmount `json:"amount"`
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}
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type OrderRefundAmount struct {
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Refund uint32 `json:"refund"`
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Total uint32 `json:"total"`
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Currency string `json:"currency"`
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}
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func TransactionOrderRefund(orderRefund OrderRefund) error {
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var (
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mchID string = "1609877389" // 商户号
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mchCertificateSerialNumber string = "7540301D8FD52CCF7D6267DCF7CD2BC0AB467EFF" // 商户证书序列号
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mchAPIv3Key string = "DeovoMingHuiRengTianTang45675123" // 商户APIv3密钥
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)
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// WxKeyFile = "./config/merchant/apiclient_key.pem"
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// mchPrivateKey, err := wechatpayutils.LoadPrivateKeyWithPath("/Users/li/mh/mh_admin_server/app/admin/apis/pay/merchant/apiclient_key.pem")
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privatePath := "./config/merchant/apiclient_key.pem"
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//privatePathTest := "/www/wwwroot/dev.admin.deovo.com/admin_server/go-admin/config/merchant/apiclient_key.pem" // TODO 测试
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//privatePath := "/www/wwwroot/admin.deovo.com/admin_server/go-admin/config/merchant/apiclient_key.pem" // TODO 正式
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// 使用 utils 提供的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
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//mchPrivateKey, err := wechatpayutils.LoadPrivateKeyWithPath("./configs/merchant/apiclient_key.pem")
|
||
mchPrivateKey, err := wechatpayutils.LoadPrivateKeyWithPath(privatePath)
|
||
if err != nil {
|
||
//log.Print("load merchant private key error")
|
||
log.Error().Msg("load merchant private key error")
|
||
return err
|
||
}
|
||
|
||
ctx := context.Background()
|
||
// 使用商户私钥等初始化 client，并使它具有自动定时获取微信支付平台证书的能力
|
||
opts := []core.ClientOption{
|
||
option.WithWechatPayAutoAuthCipher(mchID, mchCertificateSerialNumber, mchPrivateKey, mchAPIv3Key),
|
||
}
|
||
client, err := core.NewClient(ctx, opts...)
|
||
if err != nil {
|
||
//log.Printf("new wechat pay client err:%s", err)
|
||
log.Error().Msgf("new wechat pay client err:%s", err.Error())
|
||
return err
|
||
}
|
||
|
||
svc := refunddomestic.RefundsApiService{Client: client}
|
||
resp, result, err := svc.Create(ctx,
|
||
refunddomestic.CreateRequest{
|
||
OutTradeNo: core.String(orderRefund.OutTradeNo),
|
||
OutRefundNo: core.String(orderRefund.OutRefundNo),
|
||
Reason: core.String("取消订单"),
|
||
//NotifyUrl: core.String("https://weixin.qq.com/api/v1/wxpay/notice"),
|
||
NotifyUrl: core.String(orderRefund.NotifyUrl),
|
||
Amount: &refunddomestic.AmountReq{
|
||
Currency: core.String("CNY"),
|
||
Refund: core.Int64(int64(orderRefund.Amount.Refund)),
|
||
Total: core.Int64(int64(orderRefund.Amount.Total)),
|
||
},
|
||
},
|
||
)
|
||
|
||
if err != nil {
|
||
// 处理错误
|
||
log.Printf("call Create err:%s", err)
|
||
} else {
|
||
// 处理返回结果
|
||
log.Printf("status=%d resp=%s", result.Response.StatusCode, resp)
|
||
}
|
||
|
||
return nil
|
||
}
|