検出ソースのプロパティの更新

検出結果のソースプロパティを更新する方法を説明します。

このコードサンプルを含む詳細なドキュメントについては、以下をご覧ください。

Security Command Center API を使用して検出結果を管理する

コードサンプル

Go

Security Command Center で認証を行うには、アプリケーションのデフォルト認証情報を設定します。詳細については、ローカル開発環境の認証の設定をご覧ください。

import (
	"context"
	"fmt"
	"io"
	"time"

	securitycenter "cloud.google.com/go/securitycenter/apiv1"
	"cloud.google.com/go/securitycenter/apiv1/securitycenterpb"
	"github.com/golang/protobuf/ptypes"
	structpb "github.com/golang/protobuf/ptypes/struct"
	"google.golang.org/genproto/protobuf/field_mask"
)

// updateFindingSourceProperties demonstrates how to update a security finding
// in CSCC. findingName is the full resource name of the finding to update.
func updateFindingSourceProperties(w io.Writer, findingName string) error {
	// findingName := "organizations/111122222444/sources/1234/findings/findingid"
	// Instantiate a context and a security service client to make API calls.
	ctx := context.Background()
	client, err := securitycenter.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("securitycenter.NewClient: %w", err)
	}
	defer client.Close() // Closing the client safely cleans up background resources.
	// Use now as the eventTime for the security finding.
	eventTime, err := ptypes.TimestampProto(time.Now())
	if err != nil {
		return fmt.Errorf("TimestampProto: %w", err)
	}

	req := &securitycenterpb.UpdateFindingRequest{
		Finding: &securitycenterpb.Finding{
			Name:      findingName,
			EventTime: eventTime,
			SourceProperties: map[string]*structpb.Value{
				"s_value": {
					Kind: &structpb.Value_StringValue{StringValue: "new_string_example"},
				},
			},
		},
		// Needed to only update the specific source property s_value
		// and EventTime. EventTime is a required field.
		UpdateMask: &field_mask.FieldMask{
			Paths: []string{"event_time", "source_properties.s_value"},
		},
	}

	finding, err := client.UpdateFinding(ctx, req)
	if err != nil {
		return fmt.Errorf("UpdateFinding: %w", err)
	}
	fmt.Fprintf(w, "Finding updated: %s\n", finding.Name)
	fmt.Fprintf(w, "Finding state: %v\n", finding.State)
	fmt.Fprintf(w, "Event time (Epoch Seconds): %d\n", eventTime.Seconds)
	fmt.Fprintf(w, "Source Properties:\n")
	for k, v := range finding.SourceProperties {
		fmt.Fprintf(w, "%s = %v\n", k, v)
	}
	return nil
}

Java

static Finding updateFinding(FindingName findingName) {
  try (SecurityCenterClient client = SecurityCenterClient.create()) {
    // FindingName findingName = FindingName.of(/*organization=*/"123234324",
    // /*source=*/"423432321", /*findingId=*/"samplefindingid2");

    // Use the current time as the finding "event time".
    Instant eventTime = Instant.now();

    // Define source properties values as protobuf "Value" objects.
    Value stringValue = Value.newBuilder().setStringValue("value").build();

    FieldMask updateMask =
        FieldMask.newBuilder()
            .addPaths("event_time")
            .addPaths("source_properties.stringKey")
            .build();

    Finding finding =
        Finding.newBuilder()
            .setName(findingName.toString())
            .setEventTime(
                Timestamp.newBuilder()
                    .setSeconds(eventTime.getEpochSecond())
                    .setNanos(eventTime.getNano()))
            .putSourceProperties("stringKey", stringValue)
            .build();

    UpdateFindingRequest.Builder request =
        UpdateFindingRequest.newBuilder().setFinding(finding).setUpdateMask(updateMask);

    // Call the API.
    Finding response = client.updateFinding(request.build());

    System.out.println("Updated Finding: " + response);
    return response;
  } catch (IOException e) {
    throw new RuntimeException("Couldn't create client.", e);
  }
}

Node.js

// Imports the Google Cloud client library.
const {SecurityCenterClient} = require('@google-cloud/security-center');

// Creates a new client.
const client = new SecurityCenterClient();

// findingName is the full resource name of the finding to update.
/*
 * TODO(developer): Uncomment the following lines
 */
// const findingName =
// "organizations/111122222444/sources/1234/findings/findingid";

// Use now as the eventTime for the security finding.
const eventTime = new Date();
console.log(findingName);
async function updateFinding() {
  const [newFinding] = await client.updateFinding({
    updateMask: {paths: ['event_time', 'source_properties.s_value']},
    finding: {
      name: findingName,
      // The time associated with discovering the issue.
      eventTime: {
        seconds: Math.floor(eventTime.getTime() / 1000),
        nanos: (eventTime.getTime() % 1000) * 1e6,
      },
      sourceProperties: {
        s_value: {stringValue: 'new_string_example'},
      },
    },
  });
  console.log('Updated Finding: %j', newFinding);
}
updateFinding();

Python

import datetime

from google.cloud import securitycenter
from google.cloud.securitycenter_v1 import Finding
from google.protobuf import field_mask_pb2

client = securitycenter.SecurityCenterClient()
# Only update the specific source property and event_time.  event_time
# is required for updates.
field_mask = field_mask_pb2.FieldMask(
    paths=["source_properties.s_value", "event_time"]
)

# Set the update time to Now.  This must be some time greater then the
# event_time on the original finding.
event_time = datetime.datetime.now(tz=datetime.timezone.utc)

# 'source_name' is the resource path for a source that has been
# created previously (you can use list_sources to find a specific one).
# Its format is:
# source_name = "organizations/{organization_id}/sources/{source_id}"
# e.g.:
# source_name = "organizations/111122222444/sources/1234"
finding_name = f"{source_name}/findings/samplefindingid2"
finding = Finding(
    name=finding_name,
    source_properties={"s_value": "new_string"},
    event_time=event_time,
)
updated_finding = client.update_finding(
    request={"finding": finding, "update_mask": field_mask}
)

print(
    "New Source properties: {}, Event Time {}".format(
        updated_finding.source_properties, updated_finding.event_time
    )
)

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