341 lines
14 KiB
Go
341 lines
14 KiB
Go
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package wechat
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import (
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"crypto/rsa"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"github.com/go-pay/gopay"
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"github.com/go-pay/gopay/pkg/xlog"
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)
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type Resource struct {
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OriginalType string `json:"original_type,omitempty"`
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Algorithm string `json:"algorithm"`
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Ciphertext string `json:"ciphertext"`
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AssociatedData string `json:"associated_data"`
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Nonce string `json:"nonce"`
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}
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type V3DecryptResult struct {
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Appid string `json:"appid"`
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Mchid string `json:"mchid"`
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OutTradeNo string `json:"out_trade_no"`
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TransactionId string `json:"transaction_id"`
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TradeType string `json:"trade_type"`
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TradeState string `json:"trade_state"`
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TradeStateDesc string `json:"trade_state_desc"`
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BankType string `json:"bank_type"`
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Attach string `json:"attach"`
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SuccessTime string `json:"success_time"`
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Payer *Payer `json:"payer"`
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Amount *Amount `json:"amount"`
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SceneInfo *SceneInfo `json:"scene_info"`
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PromotionDetail []*PromotionDetail `json:"promotion_detail"`
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}
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type V3DecryptPartnerResult struct {
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SpAppid string `json:"sp_appid"`
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SpMchid string `json:"sp_mchid"`
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SubAppid string `json:"sub_appid"`
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SubMchid string `json:"sub_mchid"`
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OutTradeNo string `json:"out_trade_no"`
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TransactionId string `json:"transaction_id"`
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TradeType string `json:"trade_type"`
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TradeState string `json:"trade_state"`
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TradeStateDesc string `json:"trade_state_desc"`
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BankType string `json:"bank_type"`
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Attach string `json:"attach"`
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SuccessTime string `json:"success_time"`
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Payer *PartnerPayer `json:"payer"`
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Amount *Amount `json:"amount"`
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SceneInfo *SceneInfo `json:"scene_info"`
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PromotionDetail []*PromotionDetail `json:"promotion_detail"`
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}
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type V3DecryptRefundResult struct {
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Mchid string `json:"mchid"`
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OutTradeNo string `json:"out_trade_no"`
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TransactionId string `json:"transaction_id"`
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OutRefundNo string `json:"out_refund_no"`
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RefundId string `json:"refund_id"`
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RefundStatus string `json:"refund_status"`
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SuccessTime string `json:"success_time"`
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UserReceivedAccount string `json:"user_received_account"`
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Amount *RefundAmount `json:"amount"`
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}
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type V3DecryptPartnerRefundResult struct {
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SpMchid string `json:"sp_mchid"`
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SubMchid string `json:"sub_mchid"`
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OutTradeNo string `json:"out_trade_no"`
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TransactionId string `json:"transaction_id"`
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OutRefundNo string `json:"out_refund_no"`
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RefundId string `json:"refund_id"`
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RefundStatus string `json:"refund_status"`
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SuccessTime string `json:"success_time"`
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UserReceivedAccount string `json:"user_received_account"`
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Amount *RefundAmount `json:"amount"`
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}
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type V3DecryptCombineResult struct {
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CombineAppid string `json:"combine_appid"`
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CombineMchid string `json:"combine_mchid"`
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CombineOutTradeNo string `json:"combine_out_trade_no"`
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SceneInfo *SceneInfo `json:"scene_info"`
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SubOrders []*SubOrders `json:"sub_orders"` // 最多支持子单条数：50
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CombinePayerInfo *Payer `json:"combine_payer_info"` // 支付者信息
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}
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type V3DecryptScoreResult struct {
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Appid string `json:"appid"`
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Mchid string `json:"mchid"`
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OutOrderNo string `json:"out_order_no"`
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ServiceId string `json:"service_id"`
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Openid string `json:"openid"`
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State string `json:"state"`
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StateDescription string `json:"state_description"`
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TotalAmount int `json:"total_amount"`
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ServiceIntroduction string `json:"service_introduction"`
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PostPayments []*PostPayments `json:"post_payments"`
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PostDiscounts []*PostDiscounts `json:"post_discounts"`
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RiskFund *RiskFund `json:"risk_fund"`
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TimeRange *TimeRange `json:"time_range"`
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Location *Location `json:"location"`
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Attach string `json:"attach"`
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NotifyUrl string `json:"notify_url"`
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OrderId string `json:"order_id"`
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NeedCollection bool `json:"need_collection"`
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Collection *Collection `json:"collection"`
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}
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type V3DecryptProfitShareResult struct {
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SpMchid string `json:"sp_mchid"` // 服务商商户号
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SubMchid string `json:"sub_mchid"` // 子商户号
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TransactionId string `json:"transaction_id"` // 微信订单号
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OrderId string `json:"order_id"` // 微信分账/回退单号
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OutOrderNo string `json:"out_order_no"` // 商户分账/回退单号
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Receiver *Receiver `json:"receiver"`
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SuccessTime string `json:"success_time"` // 成功时间
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}
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type Receiver struct {
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Type string `json:"type"` // 分账接收方类型
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Account string `json:"account"` // 分账接收方账号
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Amount int `json:"amount"` // 分账动账金额
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Description string `json:"description"` // 分账/回退描述
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}
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type V3DecryptBusifavorResult struct {
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EventType string `json:"event_type"` // 事件类型
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CouponCode string `json:"coupon_code"` // 券code
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StockId string `json:"stock_id"` // 批次号
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SendTime string `json:"send_time"` // 发放时间
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Openid string `json:"openid"` // 用户标识
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Unionid string `json:"unionid"` // 用户统一标识
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SendChannel string `json:"send_channel"` // 发放渠道
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SendMerchant string `json:"send_merchant"` // 发券商户号
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AttachInfo *BusifavorAttachInfo `json:"attach_info"` // 发券附加信息
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}
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type BusifavorAttachInfo struct {
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TransactionId string `json:"transaction_id"` // 交易订单编号
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ActCode string `json:"act_code"` // 支付有礼活动编号/营销馆活动ID
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HallCode string `json:"hall_code"` // 营销馆ID
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HallBelongMchID int `json:"hall_belong_mch_id"` // 营销馆所属商户号
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CardID string `json:"card_id"` // 会员卡ID
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Code string `json:"code"` // 会员卡code
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ActivityID string `json:"activity_id"` // 会员活动ID
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}
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type V3NotifyReq struct {
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Id string `json:"id"`
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CreateTime string `json:"create_time"`
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ResourceType string `json:"resource_type"`
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EventType string `json:"event_type"`
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Summary string `json:"summary"`
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Resource *Resource `json:"resource"`
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SignInfo *SignInfo `json:"-"`
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}
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type V3NotifyRsp struct {
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Code string `json:"code"`
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Message string `json:"message"`
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}
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// =====================================================================================================================
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// 解析微信回调请求的参数到 V3NotifyReq 结构体
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func V3ParseNotify(req *http.Request) (notifyReq *V3NotifyReq, err error) {
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bs, err := ioutil.ReadAll(io.LimitReader(req.Body, int64(5<<20))) // default 5MB change the size you want;
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defer req.Body.Close()
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if err != nil {
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return nil, fmt.Errorf("read request body error:%w", err)
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}
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si := &SignInfo{
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HeaderTimestamp: req.Header.Get(HeaderTimestamp),
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HeaderNonce: req.Header.Get(HeaderNonce),
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HeaderSignature: req.Header.Get(HeaderSignature),
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HeaderSerial: req.Header.Get(HeaderSerial),
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SignBody: string(bs),
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}
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notifyReq = &V3NotifyReq{SignInfo: si}
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if err = json.Unmarshal(bs, notifyReq); err != nil {
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return nil, fmt.Errorf("json.Unmarshal(%s, %+v)：%w", string(bs), notifyReq, err)
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}
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return notifyReq, nil
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}
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// Deprecated
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// 推荐使用 VerifySignByPK()
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func (v *V3NotifyReq) VerifySign(wxPkContent string) (err error) {
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if v.SignInfo != nil {
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return V3VerifySign(v.SignInfo.HeaderTimestamp, v.SignInfo.HeaderNonce, v.SignInfo.SignBody, v.SignInfo.HeaderSignature, wxPkContent)
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}
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return errors.New("verify notify sign, bug SignInfo is nil")
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}
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// 异步通知验签
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// wxPublicKey：微信平台证书公钥内容，通过 client.WxPublicKeyMap() 获取，然后根据 signInfo.HeaderSerial 获取相应的公钥
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// 推荐使用 VerifySignByPKMap()
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func (v *V3NotifyReq) VerifySignByPK(wxPublicKey *rsa.PublicKey) (err error) {
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if v.SignInfo != nil {
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return V3VerifySignByPK(v.SignInfo.HeaderTimestamp, v.SignInfo.HeaderNonce, v.SignInfo.SignBody, v.SignInfo.HeaderSignature, wxPublicKey)
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}
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return errors.New("verify notify sign, bug SignInfo is nil")
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}
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// 异步通知验签
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// wxPublicKey：微信平台证书公钥内容，通过 client.WxPublicKeyMap() 获取
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func (v *V3NotifyReq) VerifySignByPKMap(wxPublicKeyMap map[string]*rsa.PublicKey) (err error) {
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if v.SignInfo != nil && wxPublicKeyMap != nil {
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return V3VerifySignByPK(v.SignInfo.HeaderTimestamp, v.SignInfo.HeaderNonce, v.SignInfo.SignBody, v.SignInfo.HeaderSignature, wxPublicKeyMap[v.SignInfo.HeaderSerial])
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}
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return errors.New("verify notify sign, bug SignInfo or wxPublicKeyMap is nil")
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}
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// 解密 普通支付 回调中的加密信息
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func (v *V3NotifyReq) DecryptCipherText(apiV3Key string) (result *V3DecryptResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密 服务商支付 回调中的加密信息
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func (v *V3NotifyReq) DecryptPartnerCipherText(apiV3Key string) (result *V3DecryptPartnerResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptPartnerNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密 普通退款 回调中的加密信息
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func (v *V3NotifyReq) DecryptRefundCipherText(apiV3Key string) (result *V3DecryptRefundResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptRefundNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密 服务商退款 回调中的加密信息
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func (v *V3NotifyReq) DecryptPartnerRefundCipherText(apiV3Key string) (result *V3DecryptPartnerRefundResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptPartnerRefundNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密 合单支付 回调中的加密信息
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func (v *V3NotifyReq) DecryptCombineCipherText(apiV3Key string) (result *V3DecryptCombineResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptCombineNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密 支付分 回调中的加密信息
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func (v *V3NotifyReq) DecryptScoreCipherText(apiV3Key string) (result *V3DecryptScoreResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptScoreNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
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}
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return result, nil
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}
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return nil, errors.New("notify data Resource is nil")
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}
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// 解密分账动账回调中的加密信息
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func (v *V3NotifyReq) DecryptProfitShareCipherText(apiV3Key string) (result *V3DecryptProfitShareResult, err error) {
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if v.Resource != nil {
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result, err = V3DecryptProfitShareNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
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if err != nil {
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bytes, _ := json.Marshal(v)
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|
|
return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
|
|||
|
|
}
|
|||
|
|
return result, nil
|
|||
|
|
}
|
|||
|
|
return nil, errors.New("notify data Resource is nil")
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 解密商家券回调中的加密信息
|
|||
|
|
func (v *V3NotifyReq) DecryptBusifavorCipherText(apiV3Key string) (result *V3DecryptBusifavorResult, err error) {
|
|||
|
|
if v.Resource != nil {
|
|||
|
|
result, err = V3DecryptBusifavorNotifyCipherText(v.Resource.Ciphertext, v.Resource.Nonce, v.Resource.AssociatedData, apiV3Key)
|
|||
|
|
if err != nil {
|
|||
|
|
bytes, _ := json.Marshal(v)
|
|||
|
|
return nil, fmt.Errorf("V3NotifyReq(%s) decrypt cipher text error(%w)", string(bytes), err)
|
|||
|
|
}
|
|||
|
|
return result, nil
|
|||
|
|
}
|
|||
|
|
return nil, errors.New("notify data Resource is nil")
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Deprecated
|
|||
|
|
// 暂时不推荐此方法，请使用 wechat.V3ParseNotify()
|
|||
|
|
// 解析微信回调请求的参数到 gopay.BodyMap
|
|||
|
|
func V3ParseNotifyToBodyMap(req *http.Request) (bm gopay.BodyMap, err error) {
|
|||
|
|
bs, err := ioutil.ReadAll(io.LimitReader(req.Body, int64(3<<20))) // default 3MB change the size you want;
|
|||
|
|
defer req.Body.Close()
|
|||
|
|
if err != nil {
|
|||
|
|
xlog.Error("err:", err)
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
bm = make(gopay.BodyMap)
|
|||
|
|
if err = json.Unmarshal(bs, &bm); err != nil {
|
|||
|
|
return nil, fmt.Errorf("json.Unmarshal(%s)：%w", string(bs), err)
|
|||
|
|
}
|
|||
|
|
return bm, nil
|
|||
|
|
}
|