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base.go
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base.go
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package pay
import (
"encoding/xml"
"github.com/cliod/wx-go/common"
"github.com/cliod/wx-go/common/util"
)
type (
TradeType string
SignType string
)
const (
JSAPI TradeType = "JSAPI"
NATIVE TradeType = "NATIVE"
APP TradeType = "APP"
H5 TradeType = "MWEB"
MICRO TradeType = "MICROPAY"
)
const (
HmacSha256 SignType = "HMAC-SHA256"
MD5 SignType = "MD5"
)
type WxPayRequest interface {
CheckAndSign(c *WxPayConfig)
IsIgnoreAppId() bool
IsIgnoreSubAppId() bool
IsIgnoreSubMchId() bool
NeedNonceStr() bool
GetSignType() SignType
IgnoredParamsForSign() []string
}
type WxPayResult interface {
CheckResult(service WxPayService, signType SignType, checkSuccess bool) error
Compose()
}
// 基础请求对象
type BaseWxPayRequest struct {
XMLName xml.Name `xml:"xml" json:"-"`
// 公众号或者小程序appId
AppId string `json:"appid" xml:"appid"`
// 商户号.
MchId string `json:"mch_id" xml:"mch_id"`
// 服务商模式下的子商户公众账号ID.
SubAppId string `json:"sub_app_id,omitempty" xml:"sub_app_id,omitempty"`
// 服务商模式下的子商户号.
SubMchId string `json:"sub_mch_id,omitempty" xml:"sub_mch_id,omitempty"`
// 随机字符串.不长于32位。推荐随机数生成算法
NonceStr string `json:"nonce_str" xml:"nonce_str"`
// 签名.
Sign string `json:"sign,omitempty" xml:"sign,omitempty"`
// 签名类型.
SignType SignType `json:"sign_type" xml:"sign_type,omitempty"`
// 企业微信签名
WorkWxSign string `json:"work_wx_sign,omitempty" xml:"work_wx_sign,omitempty"`
}
func (r *BaseWxPayRequest) CheckAndSign(c *WxPayConfig) {
if !r.IsIgnoreAppId() {
if r.AppId == "" {
r.AppId = c.AppId
}
}
if r.MchId == "" {
r.MchId = c.MchId
}
if !r.IsIgnoreSubAppId() {
if r.SubAppId == "" {
r.SubAppId = c.SubAppId
}
}
if !r.IsIgnoreSubMchId() {
if r.SubMchId == "" {
r.SubMchId = c.SubMchId
}
}
if r.SignType == "" {
if c.SignType == "" {
r.SignType = MD5
} else {
r.SignType = c.SignType
}
}
if r.NeedNonceStr() && r.NonceStr == "" {
r.NonceStr = util.RandSeq(32)
}
r.Sign = Sign(r, r.SignType, c.MchKey, r.IgnoredParamsForSign()...)
}
func (r *BaseWxPayRequest) IsIgnoreAppId() bool {
return false
}
func (r *BaseWxPayRequest) IsIgnoreSubAppId() bool {
return false
}
func (r *BaseWxPayRequest) IsIgnoreSubMchId() bool {
return false
}
func (r *BaseWxPayRequest) NeedNonceStr() bool {
return true
}
func (r *BaseWxPayRequest) GetSignType() SignType {
return r.SignType
}
func (r *BaseWxPayRequest) IgnoredParamsForSign() []string {
return []string{}
}
// 基础响应对象
type BaseWxPayResult struct {
XMLName xml.Name `xml:"xml" json:"-"`
common.Err
ResultCode string `json:"result_code" xml:"result_code"`
RetMsg string `json:"retmsg" xml:"retmsg"`
ReturnCode string `json:"return_code" xml:"return_code"`
ReturnMsg string `json:"return_msg" xml:"return_msg"`
ErrCode string `json:"err_code" xml:"err_code"`
ErrCodeDes string `json:"err_code_des" xml:"err_code_des"`
AppId string `json:"appid" xml:"appid"`
MchId string `json:"mch_id" xml:"mch_id"`
SubAppId string `json:"sub_app_id" xml:"sub_app_id"`
SubMchId string `json:"sub_mch_id" xml:"sub_mch_id"`
// 以时间戳为随机字符串,可以不设置.
NonceStr string `json:"nonce_str" xml:"nonce_str"`
Sign string `json:"sign" xml:"sign"`
Content []byte `xml:",innerxml"`
}
func (r *BaseWxPayResult) Error() string {
var errorMsg string
if msg := util.TrimToUpper(r.ReturnCode); msg != "" {
errorMsg += "返回代码:" + msg
}
if msg := util.TrimToUpper(r.ReturnMsg); msg != "" {
errorMsg += ",返回信息:" + msg
}
if msg := util.TrimToUpper(r.ResultCode); msg != "" {
errorMsg += ",结果代码:" + msg
}
if msg := util.TrimToUpper(r.RetMsg); msg != "" {
errorMsg += ",结果信息:" + msg
}
if msg := util.TrimToUpper(r.ErrCode); msg != "" {
errorMsg += ",错误代码:" + msg
}
if msg := util.TrimToUpper(r.ErrCodeDes); msg != "" {
errorMsg += ",错误详情:" + msg
}
if msg := util.TrimToUpper(r.ErrMsg); msg != "" {
errorMsg += ",错误信息:" + msg
}
return errorMsg
}
func (r *BaseWxPayResult) CheckResult(service WxPayService, signType SignType, checkSuccess bool) error {
data := util.ToMap(r)
if r.Sign != "" && r.Sign != service.Sign(data, signType) {
return common.ErrorOf("校验结果签名失败,参数:%s", data)
}
if checkSuccess {
r1, r2 := util.TrimToUpper(r.ReturnCode), util.TrimToUpper(r.ResultCode)
if !(r1 == common.Success || r1 == "" || r2 == common.Success || r2 == "") {
return r
}
}
return nil
}
func (r *BaseWxPayResult) Compose() {
}