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virtualpayment.go
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virtualpayment.go
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/*
* Copyright bbang94/wechat Author(https://bbang94.com/wechat/). All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* You can obtain one at https://github.com/bbang94/wechat.
*
*/
package virtualpayment
import (
"context"
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"strings"
"github.com/bbang94/wechat/v2/util"
)
// SetSessionKey 设置 sessionKey
func (s *VirtualPayment) SetSessionKey(sessionKey string) {
s.sessionKey = sessionKey
}
// QueryUserBalance 查询虚拟支付余额
func (s *VirtualPayment) QueryUserBalance(ctx context.Context, in *QueryUserBalanceRequest) (out QueryUserBalanceResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: queryUserBalance,
Content: string(jsonByte),
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "QueryUserBalance")
return
}
// CurrencyPay currency pay 扣减代币(一般用于代币支付)
func (s *VirtualPayment) CurrencyPay(ctx context.Context, in *CurrencyPayRequest) (out CurrencyPayResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: currencyPay,
Content: string(jsonByte),
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "CurrencyPay")
return
}
// QueryOrder 查询创建的订单(现金单,非代币单)
func (s *VirtualPayment) QueryOrder(ctx context.Context, in *QueryOrderRequest) (out QueryOrderResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: queryOrder,
Signature: EmptyString,
Content: string(jsonByte),
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "QueryOrder")
return
}
// CancelCurrencyPay 取消订单 代币支付退款 (currency_pay 接口的逆操作)
func (s *VirtualPayment) CancelCurrencyPay(ctx context.Context, in *CancelCurrencyPayRequest) (out CancelCurrencyPayResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: cancelCurrencyPay,
Content: string(jsonByte),
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "CancelCurrencyPay")
return
}
// NotifyProvideGoods 通知发货
// 通知已经发货完成(只能通知现金单),正常通过 xpay_goods_deliver_notify 消息推送返回成功就不需要调用这个 api 接口。这个接口用于异常情况推送不成功时手动将单改成已发货状态
func (s *VirtualPayment) NotifyProvideGoods(ctx context.Context, in *NotifyProvideGoodsRequest) (out NotifyProvideGoodsResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: notifyProvideGoods,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "NotifyProvideGoods")
return
}
// PresentCurrency 代币赠送接口,由于目前不支付按单号查赠送单的功能,所以当需要赠送的时候可以一直重试到返回 0 或者返回 268490004(重复操作)为止
func (s *VirtualPayment) PresentCurrency(ctx context.Context, in *PresentCurrencyRequest) (out PresentCurrencyResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: presentCurrency,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "PresentCurrency")
return
}
// DownloadBill 下载订单交易账单
func (s *VirtualPayment) DownloadBill(ctx context.Context, in *DownloadBillRequest) (out DownloadBillResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: downloadBill,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "DownloadBill")
return
}
// RefundOrder 退款 对使用 jsapi 接口下的单进行退款
func (s *VirtualPayment) RefundOrder(ctx context.Context, in *RefundOrderRequest) (out RefundOrderResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: refundOrder,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "RefundOrder")
return
}
// CreateWithdrawOrder 创建提现单
func (s *VirtualPayment) CreateWithdrawOrder(ctx context.Context, in *CreateWithdrawOrderRequest) (out CreateWithdrawOrderResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: createWithdrawOrder,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "CreateWithdrawOrder")
return
}
// QueryWithdrawOrder 查询提现单
func (s *VirtualPayment) QueryWithdrawOrder(ctx context.Context, in *QueryWithdrawOrderRequest) (out QueryWithdrawOrderResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: queryWithdrawOrder,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "QueryWithdrawOrder")
return
}
// StartUploadGoods 开始上传商品
func (s *VirtualPayment) StartUploadGoods(ctx context.Context, in *StartUploadGoodsRequest) (out StartUploadGoodsResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: startUploadGoods,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "StartUploadGoods")
return
}
// QueryUploadGoods 查询上传商品
func (s *VirtualPayment) QueryUploadGoods(ctx context.Context, in *QueryUploadGoodsRequest) (out QueryUploadGoodsResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: queryUploadGoods,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "QueryUploadGoods")
return
}
// StartPublishGoods 开始发布商品
func (s *VirtualPayment) StartPublishGoods(ctx context.Context, in *StartPublishGoodsRequest) (out StartPublishGoodsResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: startPublishGoods,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "StartPublishGoods")
return
}
// QueryPublishGoods 查询发布商品
func (s *VirtualPayment) QueryPublishGoods(ctx context.Context, in *QueryPublishGoodsRequest) (out QueryPublishGoodsResponse, err error) {
var jsonByte []byte
if jsonByte, err = json.Marshal(in); err != nil {
return
}
var (
params = URLParams{
Path: queryPublishGoods,
Content: string(jsonByte),
Signature: EmptyString,
}
address string
)
if address, err = s.requestAddress(params); err != nil {
return
}
var response []byte
if response, err = util.PostJSONContext(ctx, address, in); err != nil {
return
}
// 使用通用方法返回错误
err = util.DecodeWithError(response, &out, "QueryPublishGoods")
return
}
// hmacSha256 hmac sha256
func (s *VirtualPayment) hmacSha256(key, data string) string {
h := hmac.New(sha256.New, []byte(key))
h.Write([]byte(data))
return hex.EncodeToString(h.Sum(nil))
}
// PaySign pay sign
func (s *VirtualPayment) PaySign(url, data string) (string, error) {
if strings.TrimSpace(s.ctx.Config.AppKey) == "" {
return "", errors.New("appKey is empty")
}
return s.hmacSha256(s.ctx.Config.AppKey, url+"&"+data), nil
}
// Signature user signature
func (s *VirtualPayment) Signature(data string) (string, error) {
if strings.TrimSpace(s.sessionKey) == "" {
return "", errors.New("sessionKey is empty")
}
return s.hmacSha256(s.sessionKey, data), nil
}
// PaySignature pay sign and signature
func (s *VirtualPayment) PaySignature(url, data string) (paySign, signature string, err error) {
if paySign, err = s.PaySign(url, data); err != nil {
return
}
if signature, err = s.Signature(data); err != nil {
return
}
return
}
// requestURL .组合 URL
func (s *VirtualPayment) requestAddress(params URLParams) (url string, err error) {
switch params.Path {
case queryUserBalance:
case currencyPay:
case cancelCurrencyPay:
if params.PaySign, params.Signature, err = s.PaySignature(params.Path, params.Content); err != nil {
return
}
case queryOrder:
case notifyProvideGoods:
case presentCurrency:
case downloadBill:
case refundOrder:
case createWithdrawOrder:
case queryWithdrawOrder:
case startUploadGoods:
case queryUploadGoods:
case startPublishGoods:
case queryPublishGoods:
if params.PaySign, err = s.PaySign(params.Path, params.Content); err != nil {
return
}
default:
err = errors.New("path is not exist")
return
}
if params.AccessToken, err = s.ctx.GetAccessToken(); err != nil {
return
}
url = baseSite + params.Path + "?" + accessToken + "=" + params.AccessToken
if params.PaySign != EmptyString {
url += "&" + paySignature + "=" + params.PaySign
}
if params.Signature != EmptyString {
url += "&" + signature + "=" + params.Signature
}
return
}