list-resource-group-owners.go

// Copyright (C) 2022 Specter Ops, Inc.
//
// This file is part of AzureHound.
//
// AzureHound is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// AzureHound 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"os"
	"os/signal"
	"time"

	"github.com/bloodhoundad/azurehound/constants"
	"github.com/bloodhoundad/azurehound/enums"
	"github.com/bloodhoundad/azurehound/internal"
	"github.com/bloodhoundad/azurehound/models"
	"github.com/bloodhoundad/azurehound/pipeline"
	"github.com/spf13/cobra"
)

func init() {
	listRootCmd.AddCommand(listResourceGroupOwnersCmd)
}

var listResourceGroupOwnersCmd = &cobra.Command{
	Use:          "resource-group-owners",
	Long:         "Lists Azure Resource Group Owners",
	Run:          listResourceGroupOwnersCmdImpl,
	SilenceUsage: true,
}

func listResourceGroupOwnersCmdImpl(cmd *cobra.Command, args []string) {
	ctx, stop := signal.NotifyContext(cmd.Context(), os.Interrupt, os.Kill)
	defer gracefulShutdown(stop)

	log.V(1).Info("testing connections")
	azClient := connectAndCreateClient()
	log.Info("collecting azure resource group owners...")
	start := time.Now()
	subscriptions := listSubscriptions(ctx, azClient)
	resourceGroups := listResourceGroups(ctx, azClient, subscriptions)
	roleAssignments := listResourceGroupRoleAssignments(ctx, azClient, resourceGroups)
	stream := listResourceGroupOwners(ctx, roleAssignments)
	outputStream(ctx, stream)
	duration := time.Since(start)
	log.Info("collection completed", "duration", duration.String())
}

func listResourceGroupOwners(
	ctx context.Context,
	roleAssignments <-chan azureWrapper[models.ResourceGroupRoleAssignments],
) <-chan any {
	return pipeline.Map(ctx.Done(), roleAssignments, func(ra azureWrapper[models.ResourceGroupRoleAssignments]) any {
		filteredAssignments := internal.Filter(ra.Data.RoleAssignments, rgRoleAssignmentFilter(constants.OwnerRoleID))

		owners := internal.Map(filteredAssignments, func(ra models.ResourceGroupRoleAssignment) models.ResourceGroupOwner {
			return models.ResourceGroupOwner{
				Owner:           ra.RoleAssignment,
				ResourceGroupId: ra.ResourceGroupId,
			}
		})

		return NewAzureWrapper(enums.KindAZResourceGroupOwner, models.ResourceGroupOwners{
			ResourceGroupId: ra.Data.ResourceGroupId,
			Owners:          owners,
		})
	})
}