Split Operator and Management API into different Swagger files (#875)

* Split Operator and Management API into different Swagger files

Signed-off-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>

* Linting

Signed-off-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>

operatorapi/operator_session.go

@@ -0,0 +1,57 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2021 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package operatorapi
+
+import (
+	"github.com/go-openapi/runtime/middleware"
+	"github.com/minio/console/models"
+	"github.com/minio/console/operatorapi/operations"
+	"github.com/minio/console/operatorapi/operations/user_api"
+	"github.com/minio/console/pkg/acl"
+)
+
+func registerSessionHandlers(api *operations.OperatorAPI) {
+	// session check
+	api.UserAPISessionCheckHandler = user_api.SessionCheckHandlerFunc(func(params user_api.SessionCheckParams, session *models.Principal) middleware.Responder {
+		sessionResp, err := getSessionResponse(session)
+		if err != nil {
+			return user_api.NewSessionCheckDefault(int(err.Code)).WithPayload(err)
+		}
+		return user_api.NewSessionCheckOK().WithPayload(sessionResp)
+	})
+}
+
+// getSessionResponse parse the token of the current session and returns a list of allowed actions to render in the UI
+func getSessionResponse(session *models.Principal) (*models.SessionResponse, *models.Error) {
+	// serialize output
+	if session == nil {
+		return nil, PrepareError(errorGenericInvalidSession)
+	}
+	sessionResp := &models.SessionResponse{
+		Pages:    acl.GetAuthorizedEndpoints(session.Actions),
+		Features: getListOfEnabledFeatures(),
+		Status:   models.SessionResponseStatusOk,
+		Operator: acl.GetOperatorMode(),
+	}
+	return sessionResp, nil
+}
+
+// getListOfEnabledFeatures returns a list of features
+func getListOfEnabledFeatures() []string {
+	var features []string
+	return features
+}