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meituan-union平台api对接完成

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This commit is contained in:
wukesheng 2024-04-30 18:30:05 +08:00
parent d31b52d38a
commit ca1d0dbf59
8 changed files with 182 additions and 18 deletions
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1
index.go Normal file
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@ -0,0 +1 @@
package third_platform_sdk

61
platform/meituan-csr/aes.go Normal file
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@ -0,0 +1,61 @@
package meituan_csr
import (
"bytes"
"crypto/aes"
"encoding/base64"
)
type AES struct {
AesKey string
}
func NewAes(aesKey string) *AES {
return &AES{
AesKey: aesKey,
}
}
func (c *AES) Encode(data string) (string, error) {
_key := []byte(c.AesKey)
block, err := aes.NewCipher(_key)
if err != nil {
return "", err
}
// 计算需要补齐的字节数
paddingSize := block.BlockSize() - len([]byte(data))%block.BlockSize()
paddedText := append([]byte(data), bytes.Repeat([]byte{byte(paddingSize)}, paddingSize)...)
encryptedData := make([]byte, len(paddedText))
for i := 0; i < len(paddedText); i += block.BlockSize() {
block.Encrypt(encryptedData[i:], paddedText[i:]) // 分组加密
}
encodedString := base64.StdEncoding.EncodeToString(encryptedData) // Base64编码
return encodedString, nil
}
func (c *AES) Decode(data string) (str string, err error) {
_key := []byte(c.AesKey)
decodedBytes, err := base64.StdEncoding.DecodeString(data) // Base64解码
if err != nil {
return "", err
}
block, err := aes.NewCipher(_key) // 创建AES对象
if err != nil {
return "", err
}
decryptedData := make([]byte, len(decodedBytes))
for i := 0; i < len(decodedBytes); i += block.BlockSize() {
block.Decrypt(decryptedData[i:], decodedBytes[i:]) // 分组解密
}
unpadedText := c._PKCS5UnPadding(decryptedData) // 去除填充
return string(unpadedText), nil
}
func (c *AES) _PKCS5UnPadding(data []byte) []byte {
length := len(data)
unpadding := int(data[length-1])
return data[:(length - unpadding)]
}

45
platform/meituan-csr/api.go
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@ -1,11 +1,12 @@
package meituan_csr
import (
"context"
"fmt"
"sort"
"strings"
"time"
"github.com/zeromicro/go-zero/core/logx"
"github.com/zeromicro/go-zero/core/trace"
"chengdu-lenntc/third-platform-sdk/client"
"chengdu-lenntc/third-platform-sdk/util"
@ -13,16 +14,50 @@ import (
// Api 调用第三方平台的api
type MeituanCsrApi interface {
GetLink(params PromotionLinkRequest) (*PromotionLinkResponse, error)
Url(ctx context.Context, url string) string
}
type meituanApiImpl struct {
type meituanCsrApiImpl struct {
log logx.Logger
client *Client
}
func newMeituanApiImpl(log logx.Logger, client *Client) MeituanCsrApi {
return &meituanApiImpl{
func newMeituanCsrApiImpl(log logx.Logger, client *Client) MeituanCsrApi {
return &meituanCsrApiImpl{
log: log,
client: client,
}
}
func (a *meituanCsrApiImpl) GetLink(params PromotionLinkRequest) (*PromotionLinkResponse, error) {
queryArgs := util.StructToMap(params)
req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
response := new(PromotionLinkResponse)
if err := a.client.HttpGet(GetLinkUrl, req, &client.HttpResponse{Result: response}); err != nil {
return nil, err
}
return response, nil
}
func (a *meituanCsrApiImpl) Url(ctx context.Context, url string) string {
requestId := trace.TraceIDFromContext(ctx)
timestamp := time.Now().Unix()
accessToken := a.generateAccessToken(timestamp)
return fmt.Sprintf("%s?requestId=%s&version=%s&accessToken=%s&utmSource=%s&timestamp=%d", url, requestId, "2.0", accessToken, a.client.authConfig.UtmSource, timestamp)
}
func (a *meituanCsrApiImpl) sign(params map[string]any) string {
//kvPairs := util.MapToSliceByKeyValue(params)
//sort.Strings(kvPairs)
//paramStr := strings.Join(kvPairs, "")
//return util.Md5String(a.SignKey + paramStr + a.SignKey)
return ""
}
func (a *meituanCsrApiImpl) generateAccessToken(ts int64) string {
//Access_token生成规则
//将媒体utmSource与时间戳（秒）拼接起来，然后使用AES加密生成。例如：utmSource为1000，时间戳1555510603，则access_token为AesEncode(10001555510603)，每个token有效期为1小时
encodeStr, _ := a.client.authConfig.aes.Encode(fmt.Sprintf("%s%d", a.client.authConfig.UtmSource, ts))
return encodeStr
}

34
platform/meituan-csr/client.go
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@ -1 +1,35 @@
package meituan_csr
import (
"github.com/zeromicro/go-zero/core/logx"
"chengdu-lenntc/third-platform-sdk/client"
)
// AuthConfig api鉴权参数
type AuthConfig struct {
AppKey string
UtmSource string
aes *AES
}
// 连接第三方平台的client
type Client struct {
client.ThirdClient
log logx.Logger
authConfig AuthConfig
Headers map[string]string
}
func newClient(log logx.Logger, conf AuthConfig) *Client {
return &Client{
ThirdClient: client.NewThirdClient(log),
log: log,
authConfig: conf,
}
}
func NewApiClient(log logx.Logger, conf AuthConfig) MeituanCsrApi {
clt := newClient(log, conf)
return newMeituanCsrApiImpl(log, clt)
}

5
platform/meituan-csr/consts.go
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@ -1 +1,6 @@
package meituan_csr
const (
Domain = "https://union.dianping.com"
GetLinkUrl = Domain + "/api/promotion/link"
)

28
platform/meituan-csr/types.go
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@ -1 +1,29 @@
package meituan_csr
type PromotionLinkRequest struct {
UtmSource string `json:"utmSource"`
UtmMedium string `json:"utmMedium"`
Activity string `json:"activity"`
PromotionId string `json:"promotionId"`
PageLevel int64 `json:"pageLevel"`
UserLevel float64 `json:"userLevel"`
DemandQrInfo bool `json:"demandQrInfo"`
}
type LinkVO struct {
Activity string `json:"activity"`
CommonLink string `json:"commonLink"`
ShortLink string `json:"shortLink"`
CommonQrCode string `json:"commonQrCode"`
MiniProgramPath string `json:"miniProgramPath"`
MiniProgramQrCode string `json:"miniProgramQrCode"`
MaterialDownloadLink string `json:"materialDownloadLink"`
BeginTime int64 `json:"beginTime"`
EndTime int64 `json:"endTime"`
}
type PromotionLinkResponse struct {
Code int64 `json:"code"`
Msg string `json:"msg"`
Data LinkVO `json:"data"`
}

22
platform/meituan-union/api.go
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@ -19,19 +19,19 @@ type MeituanUnionApi interface {
GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrderByBatchResponse, error)
}
type meituanApiImpl struct {
type meituanUnionApiImpl struct {
log logx.Logger
client *Client
}
func newMeituanApiImpl(log logx.Logger, client *Client) MeituanUnionApi {
return &meituanApiImpl{
func newMeituanUnionApiImpl(log logx.Logger, client *Client) MeituanUnionApi {
return &meituanUnionApiImpl{
log: log,
client: client,
}
}
func (a *meituanApiImpl) GetLink(params GenerateLinkRequest) (*GenerateLinkResponse, error) {
func (a *meituanUnionApiImpl) GetLink(params GenerateLinkRequest) (*GenerateLinkResponse, error) {
params.Sign = a.sign(util.StructToMap(params))
queryArgs := util.StructToMap(params)
req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
@ -42,7 +42,7 @@ func (a *meituanApiImpl) GetLink(params GenerateLinkRequest) (*GenerateLinkRespo
return response, nil
}
func (a *meituanApiImpl) MiniCode(params MiniCodeRequest) (*MimiCodeResponse, error) {
func (a *meituanUnionApiImpl) MiniCode(params MiniCodeRequest) (*MimiCodeResponse, error) {
params.Sign = a.sign(util.StructToMap(params))
queryArgs := util.StructToMap(params)
req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
@ -52,7 +52,7 @@ func (a *meituanApiImpl) MiniCode(params MiniCodeRequest) (*MimiCodeResponse, er
}
return response, nil
}
func (a *meituanApiImpl) GetOrderBySinge(params GetOrderBySingeRequest) (*GetOrderBySingeResponse, error) {
func (a *meituanUnionApiImpl) GetOrderBySinge(params GetOrderBySingeRequest) (*GetOrderBySingeResponse, error) {
params.Sign = a.sign(util.StructToMap(params))
queryArgs := util.StructToMap(params)
req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
@ -62,7 +62,7 @@ func (a *meituanApiImpl) GetOrderBySinge(params GetOrderBySingeRequest) (*GetOrd
}
return response, nil
}
func (a *meituanApiImpl) GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrderByBatchResponse, error) {
func (a *meituanUnionApiImpl) GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrderByBatchResponse, error) {
params.Sign = a.sign(util.StructToMap(params))
queryArgs := util.StructToMap(params)
req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
@ -73,21 +73,21 @@ func (a *meituanApiImpl) GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrd
return response, nil
}
func (a *meituanApiImpl) sign(params map[string]interface{}) string {
func (a *meituanUnionApiImpl) sign(params map[string]interface{}) string {
kvPairs := a.getSignStr(params)
sort.Strings(kvPairs)
paramStr := strings.Join(kvPairs, "")
return util.Md5String(a.client.authConfig.SignKey + paramStr + a.client.authConfig.SignKey)
}
func (a *meituanApiImpl) notifySign(params map[string]interface{}) string {
func (a *meituanUnionApiImpl) notifySign(params map[string]interface{}) string {
kvPairs := a.getSignStr(params)
sort.Strings(kvPairs)
paramStr := strings.Join(kvPairs, "")
return util.Md5String(a.client.authConfig.NotifyKey + paramStr + a.client.authConfig.NotifyKey)
}
func (a *meituanApiImpl) getSignStr(dataMap map[string]any) []string {
func (a *meituanUnionApiImpl) getSignStr(dataMap map[string]any) []string {
var kvPairs []string
for k, v := range dataMap {
key := a.lowerFirstLetter(k)
@ -99,7 +99,7 @@ func (a *meituanApiImpl) getSignStr(dataMap map[string]any) []string {
return kvPairs
}
func (a *meituanApiImpl) lowerFirstLetter(s string) string {
func (a *meituanUnionApiImpl) lowerFirstLetter(s string) string {
if len(s) == 0 {
return s
}

2
platform/meituan-union/client.go
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@ -31,5 +31,5 @@ func newClient(log logx.Logger, conf AuthConfig) *Client {
func NewApiClient(log logx.Logger, conf AuthConfig) MeituanUnionApi {
clt := newClient(log, conf)
return newMeituanApiImpl(log, clt)
return newMeituanUnionApiImpl(log, clt)
}