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alipay_server_api.go
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alipay_server_api.go
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//==================================
// * Name:Jerry
// * DateTime:2019/6/18 19:24
// * Desc:
//==================================
package gopay
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
)
//解析支付宝支付完成后的Notify信息
func ParseAliPayNotifyResult(req *http.Request) (notifyRsp *AliPayNotifyRequest, err error) {
notifyRsp = new(AliPayNotifyRequest)
notifyRsp.NotifyTime = req.FormValue("notify_time")
notifyRsp.NotifyType = req.FormValue("notify_type")
notifyRsp.NotifyId = req.FormValue("notify_id")
notifyRsp.AppId = req.FormValue("app_id")
notifyRsp.Charset = req.FormValue("charset")
notifyRsp.Version = req.FormValue("version")
notifyRsp.SignType = req.FormValue("sign_type")
notifyRsp.Sign = req.FormValue("sign")
notifyRsp.TradeNo = req.FormValue("trade_no")
notifyRsp.OutTradeNo = req.FormValue("out_trade_no")
notifyRsp.OutBizNo = req.FormValue("out_biz_no")
notifyRsp.BuyerId = req.FormValue("buyer_id")
notifyRsp.BuyerLogonId = req.FormValue("buyer_logon_id")
notifyRsp.SellerId = req.FormValue("seller_id")
notifyRsp.SellerEmail = req.FormValue("seller_email")
notifyRsp.TradeStatus = req.FormValue("trade_status")
notifyRsp.TotalAmount = req.FormValue("total_amount")
notifyRsp.ReceiptAmount = req.FormValue("receipt_amount")
notifyRsp.InvoiceAmount = req.FormValue("invoice_amount")
notifyRsp.BuyerPayAmount = req.FormValue("buyer_pay_amount")
notifyRsp.PointAmount = req.FormValue("point_amount")
notifyRsp.RefundFee = req.FormValue("refund_fee")
notifyRsp.Subject = req.FormValue("subject")
notifyRsp.Body = req.FormValue("body")
notifyRsp.GmtCreate = req.FormValue("gmt_create")
notifyRsp.GmtPayment = req.FormValue("gmt_payment")
notifyRsp.GmtRefund = req.FormValue("gmt_refund")
notifyRsp.GmtClose = req.FormValue("gmt_close")
billList := req.FormValue("fund_bill_list")
if billList != null {
bills := make([]FundBillListInfo, 0)
err = json.Unmarshal([]byte(billList), bills)
if err != nil {
return nil, err
}
notifyRsp.FundBillList = bills
} else {
notifyRsp.FundBillList = nil
}
notifyRsp.PassbackParams = req.FormValue("passback_params")
detailList := req.FormValue("voucher_detail_list")
if detailList != null {
details := make([]VoucherDetailListInfo, 0)
err = json.Unmarshal([]byte(detailList), details)
if err != nil {
return nil, err
}
notifyRsp.VoucherDetailList = details
} else {
notifyRsp.VoucherDetailList = nil
}
return notifyRsp, err
}
//支付通知的签名验证和参数签名后的Sign
// aliPayPublicKey:支付宝公钥
// notifyRsp:利用 gopay.ParseAliPayNotifyResult() 得到的结构体
// 返回参数ok:是否验证通过
// 返回参数sign:根据参数计算的sign值,非支付宝返回参数中的Sign
func VerifyAliPayResultSign(aliPayPublicKey string, notifyRsp *AliPayNotifyRequest) (ok bool, sign string) {
body := make(BodyMap)
body.Set("notify_time", notifyRsp.NotifyTime)
body.Set("notify_type", notifyRsp.NotifyType)
body.Set("notify_id", notifyRsp.NotifyId)
body.Set("app_id", notifyRsp.AppId)
body.Set("charset", notifyRsp.Charset)
body.Set("version", notifyRsp.Version)
body.Set("trade_no", notifyRsp.TradeNo)
body.Set("out_trade_no", notifyRsp.OutTradeNo)
body.Set("out_biz_no", notifyRsp.OutBizNo)
body.Set("buyer_id", notifyRsp.BuyerId)
body.Set("buyer_logon_id", notifyRsp.BuyerLogonId)
body.Set("seller_id", notifyRsp.SellerId)
body.Set("seller_email", notifyRsp.SellerEmail)
body.Set("trade_status", notifyRsp.TradeStatus)
body.Set("total_amount", notifyRsp.TotalAmount)
body.Set("receipt_amount", notifyRsp.ReceiptAmount)
body.Set("invoice_amount", notifyRsp.InvoiceAmount)
body.Set("buyer_pay_amount", notifyRsp.BuyerPayAmount)
body.Set("point_amount", notifyRsp.PointAmount)
body.Set("refund_fee", notifyRsp.RefundFee)
body.Set("subject", notifyRsp.Subject)
body.Set("body", notifyRsp.Body)
body.Set("gmt_create", notifyRsp.GmtCreate)
body.Set("gmt_payment", notifyRsp.GmtPayment)
body.Set("gmt_refund", notifyRsp.GmtRefund)
body.Set("gmt_close", notifyRsp.GmtClose)
body.Set("fund_bill_list", jsonToString(notifyRsp.FundBillList))
body.Set("passback_params", notifyRsp.PassbackParams)
body.Set("voucher_detail_list", jsonToString(notifyRsp.VoucherDetailList))
newBody := make(BodyMap)
for k, v := range body {
if v != null {
newBody.Set(k, v)
}
}
sign, err := getRsaSign(newBody, aliPayPublicKey)
if err != nil {
return false, ""
}
ok = sign == notifyRsp.Sign
return
}
func jsonToString(v interface{}) (str string) {
bs, err := json.Marshal(v)
if err != nil {
fmt.Println("err:", err)
return ""
}
//log.Println("string:", string(bs))
return string(bs)
}
//格式化秘钥
func FormatPrivateKey(privateKey string) (pKey string) {
buffer := new(bytes.Buffer)
buffer.WriteString("-----BEGIN RSA PRIVATE KEY-----\n")
rawLen := 64
keyLen := len(privateKey)
raws := keyLen / rawLen
temp := keyLen % rawLen
if temp > 0 {
raws++
}
start := 0
end := start + rawLen
for i := 0; i < raws; i++ {
if i == raws-1 {
buffer.WriteString(privateKey[start:])
} else {
buffer.WriteString(privateKey[start:end])
}
buffer.WriteString("\n")
start += rawLen
end = start + rawLen
}
buffer.WriteString("-----END RSA PRIVATE KEY-----\n")
pKey = buffer.String()
return
}
//格式化秘钥
func FormatAliPayPublicKey(publickKey string) (pKey string) {
buffer := new(bytes.Buffer)
buffer.WriteString("-----BEGIN PUBLIC KEY-----\n")
rawLen := 64
keyLen := len(publickKey)
raws := keyLen / rawLen
temp := keyLen % rawLen
if temp > 0 {
raws++
}
start := 0
end := start + rawLen
for i := 0; i < raws; i++ {
if i == raws-1 {
buffer.WriteString(publickKey[start:])
} else {
buffer.WriteString(publickKey[start:end])
}
buffer.WriteString("\n")
start += rawLen
end = start + rawLen
}
buffer.WriteString("-----END PUBLIC KEY-----\n")
pKey = buffer.String()
return
}