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This commit is contained in:
213
internal/application/api/query_whitelist_public_service.go
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213
internal/application/api/query_whitelist_public_service.go
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package api
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import (
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"context"
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"crypto/subtle"
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"encoding/json"
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"strings"
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"tyapi-server/internal/application/api/dto"
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"tyapi-server/internal/config"
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"tyapi-server/internal/domains/api/entities"
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api_services "tyapi-server/internal/domains/api/services"
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"tyapi-server/internal/shared/crypto"
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"fmt"
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"go.uber.org/zap"
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)
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const queryWhitelistMgmtKeyHeader = "Whitelist-Mgmt-Key"
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// QueryWhitelistMgmtKeyHeader 公开接口管理密钥请求头名
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func QueryWhitelistMgmtKeyHeader() string {
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return queryWhitelistMgmtKeyHeader
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}
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// CreateEntryPublic 公开接口：解密业务参数后为当前 access_id 对应用户添加规则（仅对该用户生效）
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func (s *QueryWhitelistApplicationServiceImpl) CreateEntryPublic(
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ctx context.Context,
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headerAccessID, managementKey, clientIP, encryptedData string,
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) (*dto.QueryWhitelistEntryResponse, string, error) {
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if !s.config.QueryWhitelist.PublicAPI.Enabled {
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return nil, "", ErrPublicAPIDisabled
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}
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if strings.TrimSpace(managementKey) == "" {
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return nil, "", ErrMissingMgmtKey
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}
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if !constantTimeEqual(managementKey, s.config.QueryWhitelist.PublicAPI.ManagementKey) {
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return nil, "", ErrInvalidMgmtKey
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}
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headerAccessID = strings.TrimSpace(headerAccessID)
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if headerAccessID == "" {
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return nil, "", ErrMissingAccessId
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}
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apiUser, err := s.apiUserService.LoadApiUserByAccessId(ctx, headerAccessID)
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if err != nil {
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s.logger.Warn("公开白名单接口 AccessId 无效", zap.String("access_id", headerAccessID), zap.Error(err))
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return nil, "", ErrInvalidAccessId
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}
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if apiUser.IsFrozen() {
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return nil, "", ErrFrozenAccount
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}
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decrypted, err := crypto.AesDecrypt(encryptedData, apiUser.SecretKey)
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if err != nil {
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s.logger.Warn("公开白名单接口解密失败", zap.String("access_id", headerAccessID), zap.Error(err))
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return nil, "", ErrDecryptFail
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}
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(decrypted, &raw); err != nil {
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return nil, "", ErrRequestParam
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}
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if err := validatePublicAPICodesField(raw["api_codes"]); err != nil {
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return nil, "", MapWhitelistAppError(err)
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}
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var payload dto.QueryWhitelistPublicPayload
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if err := json.Unmarshal(decrypted, &payload); err != nil {
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return nil, "", ErrRequestParam
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}
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if !s.config.App.IsDevelopment() && !apiUser.IsWhiteListed(clientIP) {
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s.logger.Warn("公开白名单接口 IP 未授权",
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zap.String("access_id", headerAccessID),
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zap.String("client_ip", clientIP))
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return nil, "", ErrInvalidIP
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}
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createdBy := "public_api:" + headerAccessID
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resp, err := s.createEntry(ctx, createdBy, &dto.QueryWhitelistEntryRequest{
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UserID: apiUser.UserId,
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Name: payload.Name,
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IDCard: payload.IDCard,
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APICodes: payload.APICodes,
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Remark: payload.Remark,
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}, clientIP)
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return resp, apiUser.SecretKey, MapWhitelistAppError(err)
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}
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func (s *QueryWhitelistApplicationServiceImpl) createEntry(
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ctx context.Context,
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createdBy string,
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req *dto.QueryWhitelistEntryRequest,
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operationIP string,
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) (*dto.QueryWhitelistEntryResponse, error) {
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if err := validateQueryWhitelistRequest(req.UserID, req.Name, req.IDCard, req.APICodes); err != nil {
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return nil, err
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}
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idCardHash := api_services.HashIDCard(req.IDCard)
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exists, err := s.repo.ExistsByUserIDCardHashAndName(ctx, req.UserID, idCardHash, strings.TrimSpace(req.Name), "")
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if err != nil {
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return nil, err
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}
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if exists {
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return nil, fmt.Errorf("该用户下已存在相同的身份证与姓名规则")
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}
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entry := &entities.QueryWhitelistEntry{
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UserID: strings.TrimSpace(req.UserID),
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Name: normalizeWhitelistName(req.Name),
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IDCardHash: idCardHash,
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IDCardMasked: api_services.MaskIDCard(req.IDCard),
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APICodes: entities.APICodeList(req.APICodes),
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Status: entities.QueryWhitelistStatusEnabled,
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Remark: strings.TrimSpace(req.Remark),
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OperationIP: strings.TrimSpace(operationIP),
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CreatedBy: &createdBy,
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}
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if err := s.repo.Create(ctx, entry); err != nil {
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return nil, err
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}
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s.queryWhitelistSvc.InvalidateCache(entry.UserID, idCardHash)
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resp := dto.NewQueryWhitelistEntryResponse(entry)
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return &resp, nil
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}
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func constantTimeEqual(a, b string) bool {
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return subtle.ConstantTimeCompare([]byte(a), []byte(b)) == 1
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}
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// validatePublicAPICodesField 公开接口：api_codes 必须为 string 数组，且禁止通配符 *
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func validatePublicAPICodesField(raw json.RawMessage) error {
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if len(raw) == 0 {
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return fmt.Errorf("api_codes 必填且必须为 string 数组")
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}
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var probe interface{}
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if err := json.Unmarshal(raw, &probe); err != nil {
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return fmt.Errorf("api_codes 必须为 string 数组")
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}
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arr, ok := probe.([]interface{})
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if !ok {
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return fmt.Errorf("api_codes 必须为 string 数组，不可传字符串或其他类型")
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}
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if len(arr) == 0 {
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return fmt.Errorf("api_codes 不能为空")
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}
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codes := make([]string, 0, len(arr))
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for _, item := range arr {
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s, ok := item.(string)
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if !ok {
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return fmt.Errorf("api_codes 数组元素必须为 string")
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}
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code := strings.TrimSpace(s)
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if code == "" {
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return fmt.Errorf("api_codes 不能包含空值")
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}
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if code == "*" {
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return fmt.Errorf("公开接口不允许 api_codes 使用通配符 *")
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}
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codes = append(codes, code)
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}
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return validateAPICodes(codes)
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}
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// ValidatePublicAPIManagementKey 校验平台管理密钥
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func ValidatePublicAPIManagementKey(cfg *config.Config, key string) error {
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if !cfg.QueryWhitelist.PublicAPI.Enabled {
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return ErrPublicAPIDisabled
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}
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if strings.TrimSpace(key) == "" {
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return ErrMissingMgmtKey
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}
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if !constantTimeEqual(key, cfg.QueryWhitelist.PublicAPI.ManagementKey) {
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return ErrInvalidMgmtKey
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}
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return nil
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}
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// MapWhitelistAppError 将校验错误映射为公开 API 错误码
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func MapWhitelistAppError(err error) error {
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if err == nil {
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return nil
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}
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msg := err.Error()
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switch {
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case strings.Contains(msg, "身份证号格式不正确"),
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strings.Contains(msg, "api_codes"),
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strings.Contains(msg, "name 不能为空"),
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strings.Contains(msg, "user_id 不能为空"):
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return ErrRequestParam
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case strings.Contains(msg, "已存在"):
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return ErrWhitelistExists
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default:
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return err
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}
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}
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// PublicAPIErrorMessage 公开接口错误文案
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func PublicAPIErrorMessage(err error) string {
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if err == nil {
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return ""
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}
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switch err {
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case ErrWhitelistExists:
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return "规则已存在"
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case ErrRequestParam:
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return "请求参数结构不正确"
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default:
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return GetErrorMessage(err)
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}
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}
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