135 lines
4.3 KiB
Go
135 lines
4.3 KiB
Go
package pddapi
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import (
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"crypto/md5"
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"encoding/json"
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"fmt"
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"git.rosy.net.cn/baseapi/platformapi"
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"git.rosy.net.cn/baseapi/utils"
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"net/http"
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"sort"
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"strings"
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"time"
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)
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const (
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prodURL = "https://gw-api.pinduoduo.com/api/router"
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sigKey = "sign"
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)
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type API struct {
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platformapi.APICookie
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appKey string
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appSecret string
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client *http.Client
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config *platformapi.APIConfig
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}
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func New(appKey, appSecret string, config ...*platformapi.APIConfig) *API {
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curConfig := platformapi.DefAPIConfig
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if len(config) > 0 {
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curConfig = *config[0]
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}
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return &API{
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appKey: appKey,
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appSecret: appSecret,
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client: &http.Client{Timeout: curConfig.ClientTimeout},
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config: &curConfig,
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}
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}
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func (a *API) signParam(params map[string]interface{}) (sig string) {
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var valueList []string
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for k, v := range params {
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if k != sigKey {
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if str := fmt.Sprint(v); str != "" {
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valueList = append(valueList, fmt.Sprintf("%s%s", k, str))
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}
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}
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}
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sort.Sort(sort.StringSlice(valueList))
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valueList = append(valueList, fmt.Sprintf("%s", a.appSecret))
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var valueList2 = make([]string, len(valueList)+1)
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at := copy(valueList2, valueList[:0])
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at += copy(valueList2[at:], []string{a.appSecret})
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copy(valueList2[at:], valueList[0:])
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sig = strings.Join(valueList2, "")
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binSig := md5.Sum([]byte(sig))
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sig = fmt.Sprintf("%X", binSig)
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return sig
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}
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func (a *API) AccessAPI(action string, isPost bool, bizParams map[string]interface{}) (retVal map[string]interface{}, err error) {
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params := make(map[string]interface{})
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params["client_id"] = a.appKey
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params["type"] = action
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params["timestamp"] = time.Now().Unix()
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params = utils.MergeMaps(params, bizParams)
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signStr := a.signParam(params)
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params[sigKey] = signStr
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//fullURL := utils.GenerateGetURL(prodURL, action, nil)
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err = platformapi.AccessPlatformAPIWithRetry(a.client,
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func() *http.Request {
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var request *http.Request
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if !isPost {
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request, _ = http.NewRequest(http.MethodGet, utils.GenerateGetURL(prodURL, "", params), nil)
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} else {
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request, _ = http.NewRequest(http.MethodPost, prodURL, strings.NewReader(utils.Map2URLValues(params).Encode()))
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}
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return request
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},
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a.config,
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func(response *http.Response, bodyStr string, jsonResult1 map[string]interface{}) (errLevel string, err error) {
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if jsonResult1 == nil {
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return platformapi.ErrLevelRecoverableErr, fmt.Errorf("mapData is nil")
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}
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if err == nil {
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if jsonResult1["error_response"] != nil {
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errLevel = platformapi.ErrLevelGeneralFail
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err = utils.NewErrorCode(jsonResult1["error_response"].(map[string]interface{})["sub_msg"].(string), utils.Int64ToStr(utils.MustInterface2Int64(jsonResult1["error_response"].(map[string]interface{})["sub_code"])))
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}
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retVal = jsonResult1
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}
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return errLevel, err
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})
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return retVal, err
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}
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func (a *API) AccessStorePage(fullURL string, bizParams map[string]interface{}, isPost bool) (retVal map[string]interface{}, err error) {
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if a.GetCookieCount() == 0 {
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return nil, fmt.Errorf("需要设置Store Cookie才能使用此方法")
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}
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data, _ := json.Marshal(bizParams)
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err = platformapi.AccessPlatformAPIWithRetry(a.client,
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func() *http.Request {
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var request *http.Request
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if isPost {
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request, _ = http.NewRequest(http.MethodPost, fullURL, strings.NewReader(string(data)))
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request.Header.Set("Content-Type", "application/json;charset=utf-8")
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} else {
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request, _ = http.NewRequest(http.MethodGet, utils.GenerateGetURL(fullURL, "", bizParams), nil)
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}
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a.FillRequestCookies(request)
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return request
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},
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a.config,
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func(response *http.Response, bodyStr string, jsonResult1 map[string]interface{}) (errLevel string, err error) {
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if jsonResult1 == nil {
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return platformapi.ErrLevelRecoverableErr, fmt.Errorf("mapData is nil")
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}
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if strings.Contains(bodyStr, "阿里妈妈") || strings.Contains(bodyStr, "联系客服") {
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return platformapi.ErrLevelRecoverableErr, fmt.Errorf("cookie可能过期了！")
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}
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if err == nil {
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if jsonResult1["error_response"] != nil {
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errLevel = platformapi.ErrLevelGeneralFail
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err = utils.NewErrorCode(jsonResult1["error_response"].(map[string]interface{})["zh_desc"].(string), jsonResult1["error_response"].(map[string]interface{})["code"].(string))
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}
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retVal = jsonResult1
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}
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return errLevel, err
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})
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return retVal, err
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}
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