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client.go
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client.go
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package wechat
import (
"context"
"crypto/rsa"
"fmt"
"net/http"
"time"
"github.com/go-pay/gopay"
"github.com/go-pay/gopay/pkg/util"
"github.com/go-pay/gopay/pkg/xhttp"
"github.com/go-pay/gopay/pkg/xlog"
"github.com/go-pay/gopay/pkg/xpem"
)
// ClientV3 微信支付 V3
type ClientV3 struct {
Mchid string
ApiV3Key []byte
SerialNo string
WxSerialNo string
autoSign bool
privateKey *rsa.PrivateKey
wxPublicKey *rsa.PublicKey
ctx context.Context
DebugSwitch gopay.DebugSwitch
}
// NewClientV3 初始化微信客户端 V3
// mchid:商户ID 或者服务商模式的 sp_mchid
// serialNo:商户API证书的证书序列号
// ApiV3Key:APIv3Key,商户平台获取
// privateKey:商户API证书下载后,私钥 apiclient_key.pem 读取后的字符串内容
func NewClientV3(mchid, serialNo, apiV3Key, privateKey string) (client *ClientV3, err error) {
priKey, err := xpem.DecodePrivateKey([]byte(privateKey))
if err != nil {
return nil, err
}
client = &ClientV3{
Mchid: mchid,
SerialNo: serialNo,
ApiV3Key: []byte(apiV3Key),
privateKey: priKey,
ctx: context.Background(),
DebugSwitch: gopay.DebugOff,
}
// 自动获取
return client, nil
}
// AutoVerifySign 开启请求完自动验签功能(默认不开启,推荐开启)
// 开启自动验签,自动开启每12小时一次轮询,请求最新证书操作
func (c *ClientV3) AutoVerifySign() (err error) {
wxPk, wxSerialNo, err := c.GetAndSelectNewestCert()
if err != nil {
return err
}
// decode cert
pubKey, err := xpem.DecodePublicKey([]byte(wxPk))
if err != nil {
return err
}
c.wxPublicKey = pubKey
c.WxSerialNo = wxSerialNo
c.autoSign = true
go c.autoCheckCertProc()
return
}
func (c *ClientV3) doProdPostWithHeader(ctx context.Context, headerMap map[string]string, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.JsonBody())
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
for k, v := range headerMap {
httpClient.Header.Add(k, v)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Post(url).SendBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdPost(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.JsonBody())
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Post(url).SendBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdGet(ctx context.Context, uri, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + uri
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_Url: %s", url)
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Get(url).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdPut(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.JsonBody())
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Put(url).SendBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdDelete(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.JsonBody())
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Delete(url).SendBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdPostFile(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.GetString("meta"))
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeMultipartFormData).Post(url).SendMultipartBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}
func (c *ClientV3) doProdPatch(ctx context.Context, bm gopay.BodyMap, path, authorization string) (res *http.Response, si *SignInfo, bs []byte, err error) {
var url = v3BaseUrlCh + path
httpClient := xhttp.NewClient()
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_V3_RequestBody: %s", bm.JsonBody())
xlog.Debugf("Wechat_V3_Authorization: %s", authorization)
}
httpClient.Header.Add(HeaderAuthorization, authorization)
httpClient.Header.Add(HeaderRequestID, fmt.Sprintf("%s-%d", util.GetRandomString(21), time.Now().Unix()))
httpClient.Header.Add(HeaderSerial, c.WxSerialNo)
httpClient.Header.Add("Accept", "*/*")
res, bs, err = httpClient.Type(xhttp.TypeJSON).Patch(url).SendBodyMap(bm).EndBytes(ctx)
if err != nil {
return nil, nil, nil, err
}
si = &SignInfo{
HeaderTimestamp: res.Header.Get(HeaderTimestamp),
HeaderNonce: res.Header.Get(HeaderNonce),
HeaderSignature: res.Header.Get(HeaderSignature),
HeaderSerial: res.Header.Get(HeaderSerial),
SignBody: string(bs),
}
if c.DebugSwitch == gopay.DebugOn {
xlog.Debugf("Wechat_Response: %d > %s", res.StatusCode, string(bs))
xlog.Debugf("Wechat_Headers: %#v", res.Header)
xlog.Debugf("Wechat_SignInfo: %#v", si)
}
return res, si, bs, nil
}