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) { if mchid == util.NULL || serialNo == util.NULL || apiV3Key == util.NULL || privateKey == util.NULL { return nil, gopay.MissWechatInitParamErr } 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, } 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.RandomString(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.RandomString(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.RandomString(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.RandomString(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.RandomString(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.RandomString(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.RandomString(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 }