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201
vendor/github.com/yop-platform/yop-go-sdk/LICENSE generated vendored Normal file
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Apache License
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124
vendor/github.com/yop-platform/yop-go-sdk/yop/auth/yop_signer.go generated vendored Normal file
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// Package auth
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/20 2:43 PM
package auth
import (
"crypto"
"crypto/sha256"
"fmt"
"github.com/yop-platform/yop-go-sdk/yop/constants"
"github.com/yop-platform/yop-go-sdk/yop/request"
"github.com/yop-platform/yop-go-sdk/yop/utils"
"log"
"regexp"
"sort"
"strconv"
"strings"
"time"
)
var FormatISOTime = "2006-01-02T15:04:05Z"
var DEFAULT_HEADERS_TO_SIGN []string = []string{constants.YOP_APPKEY_HEADER_KEY, constants.YOP_REQUEST_ID, constants.YOP_CONTENT_SHA256}
type YopSigner interface {
// SignRequest 请求报文签名
SignRequest(yopRequest request.YopRequest)
// VerifyResponse 响应报文验签
VerifyResponse(content string, signature string, pubKey request.PlatformPubKey) bool
}
type RsaSigner struct {
}
func (signer *RsaSigner) SignRequest(yopRequest request.YopRequest) {
var authString = buildAuthString(yopRequest.AppId)
log.Println("authString:" + authString)
var contentHash = calculateContentHash(yopRequest)
log.Println("contentHash:" + contentHash)
yopRequest.Headers[constants.YOP_CONTENT_SHA256] = contentHash
var headerToSign = getHeaderToSign(yopRequest)
var canonicalRequest = buildCanonicalRequest(yopRequest, authString, headerToSign)
log.Println("canonicalRequest:" + canonicalRequest)
signature, _ := utils.RsaSignBase64(canonicalRequest, yopRequest.IsvPriKey.Value, crypto.SHA256)
signature += "$" + "SHA256"
log.Println("signature:" + signature)
var authorizationHeader = buildAuthzHeader(authString, signature, headerToSign)
log.Println("Authorization:" + authorizationHeader)
yopRequest.Headers[constants.AUTHORIZATION] = authorizationHeader
}
func (signer *RsaSigner) VerifyResponse(content string, signature string, pubKey request.PlatformPubKey) bool {
re := regexp.MustCompile("[ \t\n]")
content = re.ReplaceAllString(content, "")
return utils.VerifySign(content, signature, pubKey.Value, crypto.SHA256)
}
func calculateContentHash(yopRequest request.YopRequest) string {
var encodedParameters = ""
if utils.UsePayloadForQueryParameters(yopRequest) {
encodedParameters = utils.GetCanonicalQueryString(yopRequest.Params)
} else {
encodedParameters = yopRequest.Content
}
log.Println("encodedParameters:" + encodedParameters)
return fmt.Sprintf("%x", sha256.Sum256([]byte(encodedParameters)))
}
func buildCanonicalRequest(yopRequest request.YopRequest, authString string, headerToSign []string) string {
var canonicalQueryString = getCanonicalQueryString(yopRequest)
var canonicalURI = getCanonicalURIPath(yopRequest.ApiUri)
return authString + "\n" + yopRequest.HttpMethod + "\n" + canonicalURI + "\n" + canonicalQueryString + "\n" + getCanonicalHeaders(yopRequest, headerToSign)
}
func buildAuthString(appId string) string {
var t = time.Now()
return constants.DEFAULT_YOP_PROTOCOL_VERSION + "/" + appId + "/" + t.Format(FormatISOTime) + "/" + strconv.Itoa(constants.DEFAULT_EXPIRATION_IN_SECONDS)
}
func getCanonicalQueryString(yopRequest request.YopRequest) string {
if utils.UsePayloadForQueryParameters(yopRequest) {
return ""
}
return utils.GetCanonicalQueryString(yopRequest.Params)
}
func getCanonicalURIPath(path string) string {
if 0 == len(path) {
return "/"
} else if strings.HasPrefix(path, "/") {
return utils.NormalizePath(path)
} else {
return "/" + utils.NormalizePath(path)
}
}
func getHeaderToSign(yopRequest request.YopRequest) []string {
var result []string
for header := range DEFAULT_HEADERS_TO_SIGN {
var value = yopRequest.Headers[DEFAULT_HEADERS_TO_SIGN[header]]
if 0 != len(value) {
result = append(result, DEFAULT_HEADERS_TO_SIGN[header])
}
}
sort.Strings(result)
return result
}
func getCanonicalHeaders(yopRequest request.YopRequest, headerToSign []string) string {
var headerStrings []string
for header := range headerToSign {
headerStrings = append(headerStrings, utils.Normalize(headerToSign[header])+":"+utils.Normalize(yopRequest.Headers[headerToSign[header]]))
}
sort.Strings(headerStrings)
return strings.Join(headerStrings, "\n")
}
func buildAuthzHeader(authString string, signature string, headerToSign []string) string {
return "YOP-RSA2048-SHA256" + " " + authString + "/" + strings.Join(headerToSign, ";") + "/" + signature
}

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vendor/github.com/yop-platform/yop-go-sdk/yop/client/yop_client.go generated vendored Normal file
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// Package client
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/16 3:22 PM
package client
import (
"bytes"
"context"
"errors"
uuid "github.com/satori/go.uuid"
"github.com/yop-platform/yop-go-sdk/yop/auth"
"github.com/yop-platform/yop-go-sdk/yop/constants"
"github.com/yop-platform/yop-go-sdk/yop/request"
"github.com/yop-platform/yop-go-sdk/yop/response"
"github.com/yop-platform/yop-go-sdk/yop/utils"
"io"
"io/ioutil"
"log"
"mime/multipart"
"net/http"
"net/url"
"runtime"
"strings"
"time"
)
var DefaultClient = YopClient{&http.Client{Transport: http.DefaultTransport}}
type YopClient struct {
*http.Client
}
// Request 普通请求
func (yopClient *YopClient) Request(request *request.YopRequest) (*response.YopResponse, error) {
initRequest(request)
var signer = auth.RsaSigner{}
signer.SignRequest(*request)
httpRequest, err := buildHttpRequest(*request)
if nil != err {
return nil, err
}
httpResp, err := yopClient.Client.Do(&httpRequest)
if nil != err {
return nil, err
}
defer httpResp.Body.Close()
body, err := ioutil.ReadAll(httpResp.Body)
if nil != err {
return nil, err
}
var yopResponse = response.YopResponse{Content: body}
metaData := response.YopResponseMetadata{}
metaData.YopSign = httpResp.Header.Get("X-Yop-Sign")
metaData.YopRequestId = httpResp.Header.Get("X-Yop-Request-Id")
yopResponse.Metadata = &metaData
context := response.RespHandleContext{YopSigner: &signer, YopResponse: &yopResponse, YopRequest: *request}
for i := range response.ANALYZER_CHAIN {
err = response.ANALYZER_CHAIN[i].Analyze(context, httpResp)
if nil != err {
return nil, err
}
}
return &yopResponse, nil
}
func initRequest(yopRequest *request.YopRequest) {
yopRequest.RequestId = uuid.NewV4().String()
log.Println("requestId:" + yopRequest.RequestId)
if 0 == len(yopRequest.ServerRoot) {
yopRequest.HandleServerRoot()
}
if 0 == len(yopRequest.PlatformPubKey.Value) {
yopRequest.PlatformPubKey.Value = request.YOP_PLATFORM_PUBLIC_KEY
yopRequest.PlatformPubKey.CertType = request.RSA2048
}
addStandardHeaders(yopRequest)
}
func addStandardHeaders(yopRequest *request.YopRequest) {
yopRequest.Headers = map[string]string{}
yopRequest.Headers[constants.YOP_REQUEST_ID] = yopRequest.RequestId
yopRequest.Headers[constants.YOP_APPKEY_HEADER_KEY] = yopRequest.AppId
yopRequest.Headers[constants.USER_AGENT_HEADER_KEY] = buildUserAgent()
}
func buildUserAgent() string {
return "go" + "/" + constants.SDK_VERSION + "/" + runtime.GOOS + "/" + runtime.Version()
}
func buildHttpRequest(yopRequest request.YopRequest) (http.Request, error) {
if yopRequest.Timeout == 0 {
yopRequest.Timeout = 10 * time.Second
}
ctx, _ := context.WithTimeout(context.Background(), yopRequest.Timeout)
//defer cancel()
var uri = yopRequest.ServerRoot + yopRequest.ApiUri
isMultiPart, err := checkForMultiPart(yopRequest)
if nil != err {
return http.Request{}, err
}
var result http.Request
if isMultiPart {
bodyBuf := &bytes.Buffer{}
bodyWriter := multipart.NewWriter(bodyBuf)
for k, v := range yopRequest.Params {
for i := range v {
bodyWriter.WriteField(k, url.QueryEscape(v[i]))
}
}
for k, v := range yopRequest.Files {
fileWriter, _ := bodyWriter.CreateFormFile(k, v.Name())
io.Copy(fileWriter, v)
}
bodyWriter.Close()
if err != nil {
return http.Request{}, err
}
req, err := http.NewRequestWithContext(ctx, "POST", uri, bodyBuf)
if nil != err {
return http.Request{}, err
}
req.Header.Set("Content-Type", bodyWriter.FormDataContentType())
result = *req
} else {
var encodedParam = utils.EncodeParameters(yopRequest.Params)
var requestHasPayload = 0 < len(yopRequest.Content)
var requestIsPost = 0 == strings.Compare(constants.POST_HTTP_METHOD, yopRequest.HttpMethod)
var putParamsInUri = !requestIsPost || requestHasPayload
if 0 < len(encodedParam) && putParamsInUri {
uri += "?" + encodedParam
}
var body io.Reader = nil
if 0 == strings.Compare(constants.POST_HTTP_METHOD, yopRequest.HttpMethod) {
if 0 < len(yopRequest.Content) {
body = bytes.NewBuffer([]byte(yopRequest.Content))
} else {
formValues := url.Values{}
for k, v := range yopRequest.Params {
for i := range v {
formValues.Set(k, url.QueryEscape(v[i]))
}
}
formDataStr := formValues.Encode()
body = bytes.NewBuffer([]byte(formDataStr))
}
}
httpRequest, err := http.NewRequestWithContext(ctx, yopRequest.HttpMethod, uri, body)
if err != nil {
return http.Request{}, err
}
result = *httpRequest
result.Header.Set(constants.CONTENT_TYPE, getContentType(yopRequest))
}
for k, v := range yopRequest.Headers {
result.Header.Set(k, v)
}
return result, err
}
func checkForMultiPart(yopRequest request.YopRequest) (bool, error) {
var result = nil != yopRequest.Files && 0 < len(yopRequest.Files)
if result && 0 != strings.Compare(constants.POST_HTTP_METHOD, yopRequest.HttpMethod) {
var errorMsg = "ContentType:multipart/form-data only support Post Request"
log.Fatal(errorMsg)
return false, errors.New(errorMsg)
}
return result, nil
}
func getContentType(yopRequest request.YopRequest) string {
if 0 == strings.Compare("POST", yopRequest.HttpMethod) && 0 < len(yopRequest.Content) {
return constants.YOP_HTTP_CONTENT_TYPE_JSON
}
if 0 < len(yopRequest.Params) {
return constants.YOP_HTTP_CONTENT_TYPE_FORM
}
return constants.YOP_HTTP_CONTENT_TYPE_FORM
}

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vendor/github.com/yop-platform/yop-go-sdk/yop/constants/constants.go generated vendored Normal file
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// Package constants
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/21 3:24 PM
package constants
const (
DEFAULT_YOP_PROTOCOL_VERSION = "yop-auth-v3"
DEFAULT_EXPIRATION_IN_SECONDS = 1800
YOP_CONTENT_SHA256 = "x-yop-content-sha256"
AUTHORIZATION = "Authorization"
YOP_REQUEST_ID = "x-yop-request-id"
YOP_APPKEY_HEADER_KEY = "x-yop-appkey"
YOP_SIGN_HEADER_KEY = "x-yop-sign"
USER_AGENT_HEADER_KEY = "User-Agent"
CONTENT_TYPE = "Content-Type"
DEFAULT_USER_AGENT = ""
YOP_SIGN = "x-yop-sign"
YOP_SIGN_CERT_SERIAL_NO = "x-yop-sign-serial-no"
DATE = "Date"
YOP_HASH_CRC64ECMA = "x-yop-hash-crc64ecma"
YOP_HTTP_CONTENT_TYPE_JSON = "application/json"
YOP_HTTP_CONTENT_TYPE_FORM = "application/x-www-form-urlencoded;charset=utf-8"
YOP_HTTP_CONTENT_TYPE_MULTIPART_FORM = "multipart/form-data"
YOP_HTTP_CONTENT_TYPE_STREAM = "application/octet-stream"
YOP_HTTP_CONTENT_TYPE_TEXT = "text/plain;charset=UTF-8"
POST_HTTP_METHOD = "POST"
GET_HTTP_METHOD = "GET"
SC_OK = 200
SC_NO_CONTENT = 204
SDK_VERSION = "4.3.6"
)

175
vendor/github.com/yop-platform/yop-go-sdk/yop/request/yop_request.go generated vendored Normal file
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// Package request
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/16 3:22 PM
package request
import (
"encoding/json"
"fmt"
uuid "github.com/satori/go.uuid"
"html/template"
"log"
"os"
"reflect"
"strconv"
"strings"
"time"
)
const (
SERVER_ROOT = "https://openapi.yeepay.com/yop-center"
YOS_SERVER_ROOT = "https://yos.yeepay.com/yop-center"
RSA2048 = "RSA2048"
YOP_PLATFORM_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6p0XWjscY+gsyqKRhw9MeLsEmhFdBRhT2emOck/F1Omw38ZWhJxh9kDfs5HzFJMrVozgU+SJFDONxs8UB0wMILKRmqfLcfClG9MyCNuJkkfm0HFQv1hRGdOvZPXj3Bckuwa7FrEXBRYUhK7vJ40afumspthmse6bs6mZxNn/mALZ2X07uznOrrc2rk41Y2HftduxZw6T4EmtWuN2x4CZ8gwSyPAW5ZzZJLQ6tZDojBK4GZTAGhnn3bg5bBsBlw2+FLkCQBuDsJVsFPiGh/b6K/+zGTvWyUcu+LUj2MejYQELDO3i2vQXVDk7lVi2/TcUYefvIcssnzsfCfjaorxsuwIDAQAB"
)
type YopRequest struct {
// 服务地址，一般情况无需指定
ServerRoot string
RequestId string
ApiUri string
HttpMethod string
AppId string
IsvPriKey IsvPriKey
// 平台公钥,一般情况无需指定
PlatformPubKey PlatformPubKey
// form请求的参数
Params map[string][]string
// json请求参数
Content string
// 请求头
Headers map[string]string
// 文件
Files map[string]*os.File
// 超时时间
Timeout time.Duration
}
// NewYopRequest 创建请求
func NewYopRequest(httpMethod string, apiUri string) *YopRequest {
return &YopRequest{HttpMethod: httpMethod, ApiUri: apiUri, Timeout: 10 * time.Second}
}
func (request *YopRequest) AddParam(name string, value any) {
if nil == request.Params {
request.Params = map[string][]string{}
}
var strValue = ToStringE(value)
var paramArray = []string{strValue}
request.Params[name] = paramArray
}
func (request *YopRequest) AddFile(name string, f *os.File) {
if nil == request.Files {
request.Files = map[string]*os.File{}
}
request.Files[name] = f
}
type IsvPriKey struct {
// 密钥类型：RSA2048
CertType string
// 私钥值
Value string
}
type PlatformPubKey struct {
// 密钥类型：RSA2048
CertType string
// 公钥值
Value string
}
func BuildYopRequest() *YopRequest {
var isvPriKey = IsvPriKey{CertType: RSA2048}
var platformCert = PlatformPubKey{Value: YOP_PLATFORM_PUBLIC_KEY, CertType: RSA2048}
return &YopRequest{RequestId: uuid.NewV4().String(), IsvPriKey: isvPriKey, PlatformPubKey: platformCert, Params: map[string][]string{}, Headers: map[string]string{}, Files: map[string]*os.File{}}
}
func (request *YopRequest) HandleServerRoot() {
if 0 != len(request.ServerRoot) {
return
}
if 0 != len(request.ApiUri) || strings.HasPrefix(request.ApiUri, "/yos") {
request.ServerRoot = YOS_SERVER_ROOT
}
request.ServerRoot = SERVER_ROOT
}
var (
errorType = reflect.TypeOf((*error)(nil)).Elem()
fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
)
func ToStringE(i any) string {
i = indirectToStringerOrError(i)
switch s := i.(type) {
case string:
return s
case bool:
return strconv.FormatBool(s)
case float64:
return strconv.FormatFloat(s, 'f', -1, 64)
case float32:
return strconv.FormatFloat(float64(s), 'f', -1, 32)
case int:
return strconv.Itoa(s)
case int64:
return strconv.FormatInt(s, 10)
case int32:
return strconv.Itoa(int(s))
case int16:
return strconv.FormatInt(int64(s), 10)
case int8:
return strconv.FormatInt(int64(s), 10)
case uint:
return strconv.FormatUint(uint64(s), 10)
case uint64:
return strconv.FormatUint(uint64(s), 10)
case uint32:
return strconv.FormatUint(uint64(s), 10)
case uint16:
return strconv.FormatUint(uint64(s), 10)
case uint8:
return strconv.FormatUint(uint64(s), 10)
case json.Number:
return s.String()
case []byte:
return string(s)
case template.HTML:
return string(s)
case template.URL:
return string(s)
case template.JS:
return string(s)
case template.CSS:
return string(s)
case template.HTMLAttr:
return string(s)
case nil:
return ""
case fmt.Stringer:
return s.String()
case error:
return s.Error()
default:
log.Fatal(fmt.Sprintf("unable to cast %#v of type %T to string", i, i))
return ""
}
}
func indirectToStringerOrError(a any) any {
if a == nil {
return nil
}
v := reflect.ValueOf(a)
for !v.Type().Implements(fmtStringerType) && !v.Type().Implements(errorType) && v.Kind() == reflect.Pointer && !v.IsNil() {
v = v.Elem()
}
return v.Interface()
}

85
vendor/github.com/yop-platform/yop-go-sdk/yop/response/http_response_analyzer.go generated vendored Normal file
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// Package response
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/22 10:54 PM
package response
import (
"encoding/json"
"errors"
"github.com/yop-platform/yop-go-sdk/yop/constants"
"log"
"net/http"
"strconv"
"strings"
"time"
)
var ANALYZER_CHAIN = []HttpResponseAnalyzer{
&YopMetadataResponseAnalyzer{},
&YopSignatureCheckAnalyzer{},
&YopErrorResponseAnalyzer{},
&YopJsonResponseAnalyzer{},
}
type HttpResponseAnalyzer interface {
Analyze(context RespHandleContext, httpResponse *http.Response) error
}
type YopMetadataResponseAnalyzer struct {
}
func (yopMetadataResponseAnalyzer *YopMetadataResponseAnalyzer) Analyze(context RespHandleContext, httpResponse *http.Response) error {
var metadata = YopResponseMetadata{}
metadata.YopRequestId = httpResponse.Header.Get(constants.YOP_REQUEST_ID)
metadata.YopContentSha256 = httpResponse.Header.Get(constants.YOP_CONTENT_SHA256)
metadata.YopSign = httpResponse.Header.Get(constants.YOP_SIGN)
metadata.ContentType = httpResponse.Header.Get(constants.CONTENT_TYPE)
d, _ := time.Parse(time.RFC1123, httpResponse.Header.Get(constants.DATE))
metadata.Date = d
metadata.YopCertSerialNo = httpResponse.Header.Get(constants.YOP_SIGN_CERT_SERIAL_NO)
metadata.Crc64ECMA = httpResponse.Header.Get(constants.YOP_HASH_CRC64ECMA)
context.YopResponse.Metadata = &metadata
return nil
}
type YopSignatureCheckAnalyzer struct {
}
func (yopSignatureCheckAnalyzer *YopSignatureCheckAnalyzer) Analyze(context RespHandleContext, httpResponse *http.Response) error {
var signature = context.YopResponse.Metadata.YopSign
if 0 < len(signature) {
if !context.YopSigner.VerifyResponse(string(context.YopResponse.Content), signature, context.YopRequest.PlatformPubKey) {
return errors.New("response sign verify failure")
}
}
return nil
}
type YopErrorResponseAnalyzer struct {
}
func (yopErrorResponseAnalyzer *YopErrorResponseAnalyzer) Analyze(context RespHandleContext, httpResponse *http.Response) error {
var statusCode = httpResponse.StatusCode
log.Println("statusCode:" + strconv.Itoa(statusCode))
if statusCode/100 == constants.SC_OK && statusCode != constants.SC_NO_CONTENT {
return nil
}
var yopServiceError = YopServiceError{}
json.Unmarshal(context.YopResponse.Content, &yopServiceError)
if 0 < len(yopServiceError.Message) {
return &yopServiceError
}
return nil
}
type YopJsonResponseAnalyzer struct {
}
func (yopJsonResponseAnalyzer *YopJsonResponseAnalyzer) Analyze(context RespHandleContext, httpResponse *http.Response) error {
if 0 < len(context.YopResponse.Content) && strings.HasPrefix(context.YopResponse.Metadata.ContentType, constants.YOP_HTTP_CONTENT_TYPE_JSON) {
json.Unmarshal(context.YopResponse.Content, &context.YopResponse)
}
return nil
}

37
vendor/github.com/yop-platform/yop-go-sdk/yop/response/yop_response.go generated vendored Normal file
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// Package response
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/16 3:22 PM
package response
import (
"github.com/yop-platform/yop-go-sdk/yop/auth"
"github.com/yop-platform/yop-go-sdk/yop/request"
"time"
)
type YopResponse struct {
Metadata *YopResponseMetadata
Result any
// http请求收到的原始响应体
// 若接口类型为文件下载，则该值为文件内容
Content []byte
}
type YopResponseMetadata struct {
YopRequestId string
YopContentSha256 string
YopSign string
ContentType string
Date time.Time
Server string
YopCertSerialNo string
Crc64ECMA string
}
type RespHandleContext struct {
auth.YopSigner
*YopResponse
request.YopRequest
}

19
vendor/github.com/yop-platform/yop-go-sdk/yop/response/yop_service_error.go generated vendored Normal file
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// Package response
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/22 11:09 PM
package response
type YopServiceError struct {
RequestId string
Code string
Message string
SubCode string
SubMessage string
DocUrl string
}
func (err *YopServiceError) Error() string {
return err.Message + "(Error Code: " + err.Code + "; Sub Code: " + err.SubCode + "; Sub Message: " + err.SubMessage + "; Request ID: " + err.RequestId + "; docUrl: " + err.DocUrl + ")"
}

77
vendor/github.com/yop-platform/yop-go-sdk/yop/utils/callback_decrypt_utils.go generated vendored Normal file
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// Package utils
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/15 2:22 PM
package utils
import (
"crypto"
"crypto/aes"
"encoding/base64"
"errors"
"log"
"strings"
)
// DecryptCallback 解密回调通知内容
func DecryptCallback(platformPubKey string, isvPriKey string, callBack string) (string, error) {
cipherText := strings.Split(callBack, "$")
if len(cipherText) != 4 {
return "", errors.New("response invalid")
}
randomKey, err := RsaDecrypt(isvPriKey, cipherText[0])
if err != nil {
log.Println("random key rsa error ", err)
return "", err
}
cipherBytes := base64Decode(cipherText[1])
body := string(AesDecryptECB(cipherBytes, randomKey))
dollarPosition := strings.LastIndex(body, "$")
signature := strings.TrimSpace(body[dollarPosition+1:])
body = body[:dollarPosition]
if !VerifySign(body, signature, platformPubKey, crypto.SHA256) {
return "", errors.New("rsa sign verify fail")
}
return body, nil
}
// 解析非标 base64_encode
func base64Decode(b string) []byte {
b = strings.Replace(b, "-", "+", -1)
b = strings.Replace(b, "_", "/", -1)
r, err := base64.RawStdEncoding.DecodeString(b)
if err != nil {
log.Println("base64 decode error ", err)
return nil
}
return r
}
func AesDecryptECB(encrypted []byte, key []byte) (decrypted []byte) {
cipher, _ := aes.NewCipher(generateKey(key))
decrypted = make([]byte, len(encrypted))
//
for bs, be := 0, cipher.BlockSize(); bs < len(encrypted); bs, be = bs+cipher.BlockSize(), be+cipher.BlockSize() {
cipher.Decrypt(decrypted[bs:be], encrypted[bs:be])
}
trim := 0
if len(decrypted) > 0 {
trim = len(decrypted) - int(decrypted[len(decrypted)-1])
}
return decrypted[:trim]
}
func generateKey(key []byte) (genKey []byte) {
genKey = make([]byte, 16)
copy(genKey, key)
for i := 16; i < len(key); {
for j := 0; j < 16 && i < len(key); j, i = j+1, i+1 {
genKey[j] ^= key[i]
}
}
return genKey
}

73
vendor/github.com/yop-platform/yop-go-sdk/yop/utils/http_utils.go generated vendored Normal file
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// Package utils
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/20 4:15 PM
package utils
import (
"github.com/yop-platform/yop-go-sdk/yop/request"
"net/url"
"sort"
"strings"
)
func NormalizePath(path string) string {
return strings.ReplaceAll(Normalize(path), "%2F", "/")
}
func Normalize(value string) string {
var firstEncodeStr = url.QueryEscape(value)
return encodeSpecialChar(firstEncodeStr)
}
func encodeSpecialChar(str string) string {
// 空格
str = strings.ReplaceAll(str, "+", "%20")
return str
}
func EncodeParameters(params map[string][]string) string {
if 0 == len(params) {
return ""
}
var encodedNameValuePair []string
for k, v := range params {
for i := range v {
encodedNameValuePair = append(encodedNameValuePair, toNameValuePair(k, v[i]))
}
}
return strings.Join(encodedNameValuePair, "&")
}
func toNameValuePair(paramName string, paramValue string) string {
return Normalize(paramName) + "=" + Normalize(paramValue)
}
func GetCanonicalQueryString(params map[string][]string) string {
if 0 == len(params) {
return ""
}
var parameterStrings []string
for k, v := range params {
if nil == v || 0 == len(v) {
parameterStrings = append(parameterStrings, Normalize(k)+"=")
} else {
for i := range v {
parameterStrings = append(parameterStrings, Normalize(k)+"="+Normalize(v[i]))
}
}
}
sort.Strings(parameterStrings)
return strings.Join(parameterStrings, "&")
}
func UsePayloadForQueryParameters(yopRequest request.YopRequest) bool {
var requestIsPOST = 0 == strings.Compare("POST", yopRequest.HttpMethod)
var requestHasNoPayload = 0 == len(yopRequest.Content)
return requestIsPOST && requestHasNoPayload
}

13
vendor/github.com/yop-platform/yop-go-sdk/yop/utils/json_utils.go generated vendored Normal file
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// Package utils
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/29 9:56 AM
package utils
import "encoding/json"
func ParseToJsonStr(params map[string]any) string {
marshal, _ := json.Marshal(params)
return string(marshal)
}

122
vendor/github.com/yop-platform/yop-go-sdk/yop/utils/rsa_utils.go generated vendored Normal file
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// Package utils
// Copyright: Copyright (c) 2020<br>
// Company: 易宝支付(YeePay)<br>
// @author : yunmei.wu
// @time : 2023/3/14 10:23 AM
package utils
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/base64"
"encoding/pem"
"errors"
"strings"
)
// RsaSignBase64 base64UrlEncode签名
func RsaSignBase64(content string, privateKey string, hash crypto.Hash) (string, error) {
signature, err := Sign(content, privateKey, hash)
if err != nil {
return "", err
}
return base64.RawURLEncoding.EncodeToString(signature), nil
}
// VerifySign 验签
func VerifySign(content string, signature string, pubKey string, hash crypto.Hash) bool {
pubKey = FormatPemKey(pubKey, "PUBLIC KEY")
publicKey, err := ParsePublicKey(pubKey)
if err != nil {
return false
}
var sig []byte
if strings.Contains(signature, "*") || strings.Contains(signature, "+") || strings.Contains(signature, "=") {
sig, _ = base64.StdEncoding.DecodeString(signature)
} else {
sig, _ = base64.RawURLEncoding.DecodeString(signature)
}
return Verify([]byte(content), sig, publicKey, crypto.SHA256)
}
func Verify(content []byte, signature []byte, pub *rsa.PublicKey, hash crypto.Hash) bool {
hashed := sha256.Sum256(content)
err := rsa.VerifyPKCS1v15(pub, hash, hashed[:], signature)
if err != nil {
return false
}
return true
}
// Sign rsa签名
func Sign(content string, privateKey string, hash crypto.Hash) ([]byte, error) {
shaNew := sha256.New()
shaNew.Write([]byte(content))
hashed := shaNew.Sum(nil)
priKey, err := ParsePrivateKey(privateKey)
if err != nil {
return nil, err
}
signature, err := rsa.SignPKCS1v15(rand.Reader, priKey.(*rsa.PrivateKey), hash, hashed)
return signature, err
}
func ParsePrivateKey(privateKey string) (any, error) {
privateKey = FormatPemKey(privateKey, "PRIVATE KEY")
// 2、解码私钥字节，生成加密对象
block, _ := pem.Decode([]byte(privateKey))
if block == nil {
return nil, errors.New("私钥信息错误！")
}
// 3、解析DER编码的私钥，生成私钥对象
priKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
return priKey, nil
}
func ParsePublicKey(publicKey string) (*rsa.PublicKey, error) {
block, _ := pem.Decode([]byte(publicKey))
if block == nil {
return nil, errors.New("公钥信息错误！")
}
pubKey, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil, err
}
return pubKey.(*rsa.PublicKey), nil
}
// FormatPemKey /**
func FormatPemKey(yopFormKey string, pemHeader string) string {
var sb = strings.Builder{}
sb.WriteString("-----BEGIN ")
sb.WriteString(pemHeader)
sb.WriteString("-----\n")
for i := 0; i < len(yopFormKey); i++ {
sb.WriteString(string([]rune(yopFormKey)[i]))
if (i+1)%64 == 0 {
sb.WriteString("\n")
}
}
sb.WriteString("\n-----END ")
sb.WriteString(pemHeader)
sb.WriteString("-----\n")
return sb.String()
}
func RsaDecrypt(priKey string, cipher string) ([]byte, error) {
privateKey, _ := ParsePrivateKey(priKey)
cipherBytes, _ := base64.RawURLEncoding.DecodeString(cipher)
return rsa.DecryptPKCS1v15(rand.Reader, privateKey.(*rsa.PrivateKey), cipherBytes)
}