Intial Commit Migrating from github.com/minio/m3

restapi/admin_users.go

@@ -0,0 +1,131 @@
+// This file is part of MinIO Kubernetes Cloud
+// Copyright (c) 2020 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 restapi
+
+import (
+	"context"
+	"log"
+
+	"github.com/go-openapi/runtime/middleware"
+	"github.com/go-openapi/swag"
+	"github.com/minio/m3/mcs/restapi/operations"
+
+	"github.com/minio/m3/mcs/restapi/operations/admin_api"
+
+	"github.com/minio/m3/mcs/models"
+)
+
+func registerUsersHandlers(api *operations.McsAPI) {
+	// List Users
+	api.AdminAPIListUsersHandler = admin_api.ListUsersHandlerFunc(func(params admin_api.ListUsersParams, principal interface{}) middleware.Responder {
+		listUsersResponse, err := getListUsersResponse()
+		if err != nil {
+			return admin_api.NewListUsersDefault(500).WithPayload(&models.Error{Code: 500, Message: swag.String(err.Error())})
+		}
+		return admin_api.NewListUsersOK().WithPayload(listUsersResponse)
+	})
+	// Add User
+	api.AdminAPIAddUserHandler = admin_api.AddUserHandlerFunc(func(params admin_api.AddUserParams, principal interface{}) middleware.Responder {
+		userResponse, err := getUserAddResponse(params)
+		if err != nil {
+			return admin_api.NewAddUserDefault(500).WithPayload(&models.Error{Code: 500, Message: swag.String(err.Error())})
+		}
+		return admin_api.NewAddUserCreated().WithPayload(userResponse)
+	})
+}
+
+func listUsers(client MinioAdmin) ([]*models.User, error) {
+
+	// Get list of all users in the MinIO
+	// This call requires explicit authentication, no anonymous requests are
+	// allowed for listing users.
+	ctx := context.Background()
+	userMap, err := client.listUsers(ctx)
+	if err != nil {
+		return []*models.User{}, err
+	}
+
+	var users []*models.User
+	for accessKey, user := range userMap {
+		userElem := &models.User{
+			AccessKey: accessKey,
+			Status:    string(user.Status),
+			Policy:    user.PolicyName,
+			MemberOf:  user.MemberOf,
+		}
+		users = append(users, userElem)
+	}
+
+	return users, nil
+}
+
+// getListUsersResponse performs listUsers() and serializes it to the handler's output
+func getListUsersResponse() (*models.ListUsersResponse, error) {
+	mAdmin, err := newMAdminClient()
+	if err != nil {
+		log.Println("error creating Madmin Client:", err)
+		return nil, err
+	}
+	// create a minioClient interface implementation
+	// defining the client to be used
+	adminClient := adminClient{client: mAdmin}
+
+	users, err := listUsers(adminClient)
+	if err != nil {
+		log.Println("error listing users:", err)
+		return nil, err
+	}
+	// serialize output
+	listUsersResponse := &models.ListUsersResponse{
+		Users: users,
+	}
+	return listUsersResponse, nil
+}
+
+// addUser invokes adding a users on `MinioAdmin` and builds the response `models.User`
+func addUser(client MinioAdmin, accessKey, secretKey *string) (*models.User, error) {
+	// Calls into MinIO to add a new user if there's an error return it
+	ctx := context.Background()
+	err := client.addUser(ctx, *accessKey, *secretKey)
+	if err != nil {
+		return nil, err
+	}
+
+	userElem := &models.User{
+		AccessKey: *accessKey,
+	}
+
+	return userElem, nil
+}
+
+func getUserAddResponse(params admin_api.AddUserParams) (*models.User, error) {
+	mAdmin, err := newMAdminClient()
+	if err != nil {
+		log.Println("error creating Madmin Client:", err)
+		return nil, err
+	}
+	// create a minioClient interface implementation
+	// defining the client to be used
+	adminClient := adminClient{client: mAdmin}
+
+	user, err := addUser(adminClient, params.Body.AccessKey, params.Body.SecretKey)
+	if err != nil {
+		log.Println("error adding user:", err)
+		return nil, err
+	}
+	return user, nil
+}