使用区域性 Secret 撤消 IAM 访问权限

撤消 IAM 对区域性密文的访问权限

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

• 管理对区域性 Secret 的访问权限

代码示例

Go

如需了解如何安装和使用 Secret Manager 客户端库，请参阅 Secret Manager 客户端库。

如需向 Secret Manager 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	secretmanager "cloud.google.com/go/secretmanager/apiv1"
	"google.golang.org/api/option"
)

// iamRevokeAccess revokes the given member's access on the secret.
func IamRevokeAccessWithRegionalSecret(w io.Writer, projectId, locationId, secretId, member string) error {
	// name := "projects/my-project/locations/my-location/secrets/my-secret"
	// member := "user:[e-mail]"

	// Create the client.
	ctx := context.Background()
	//Endpoint to send the request to regional server
	endpoint := fmt.Sprintf("secretmanager.%s.rep.googleapis.com:443", locationId)
	client, err := secretmanager.NewClient(ctx, option.WithEndpoint(endpoint))

	if err != nil {
		return fmt.Errorf("failed to create regional secretmanager client: %w", err)
	}
	defer client.Close()

	name := fmt.Sprintf("projects/%s/locations/%s/secrets/%s", projectId, locationId, secretId)

	// Get the current IAM policy.
	handle := client.IAM(name)
	policy, err := handle.Policy(ctx)
	if err != nil {
		return fmt.Errorf("failed to get policy: %w", err)
	}

	// Grant the member access permissions.
	policy.Remove(member, "roles/secretmanager.secretAccessor")
	if err = handle.SetPolicy(ctx, policy); err != nil {
		return fmt.Errorf("failed to save policy: %w", err)
	}

	fmt.Fprintf(w, "Updated IAM policy for %s\n", name)
	return nil
}

Java

如需了解如何安装和使用 Secret Manager 客户端库，请参阅 Secret Manager 客户端库。

如需向 Secret Manager 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.cloud.secretmanager.v1.SecretManagerServiceClient;
import com.google.cloud.secretmanager.v1.SecretManagerServiceSettings;
import com.google.cloud.secretmanager.v1.SecretName;
import com.google.iam.v1.Binding;
import com.google.iam.v1.GetIamPolicyRequest;
import com.google.iam.v1.Policy;
import com.google.iam.v1.SetIamPolicyRequest;
import java.io.IOException;

public class IamRevokeAccessWithRegionalSecret {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.

    // Your GCP project ID.
    String projectId = "your-project-id";
    // Location of the secret.
    String locationId = "your-location-id";
    // Resource ID of the secret to revoke access to.
    String secretId = "your-secret-id";
    // IAM member, such as a user group or service account you want to revoke access.
    String member = "user:[e-mail]";
    iamRevokeAccessWithRegionalSecret(projectId, locationId, secretId, member);
  }

  // Revoke a member access to a particular secret.
  public static Policy iamRevokeAccessWithRegionalSecret(
      String projectId, String locationId, String secretId, String member)
      throws IOException {

    // Endpoint to call the regional secret manager sever
    String apiEndpoint = String.format("secretmanager.%s.rep.googleapis.com:443", locationId);
    SecretManagerServiceSettings secretManagerServiceSettings =
        SecretManagerServiceSettings.newBuilder().setEndpoint(apiEndpoint).build();

    // Initialize the client that will be used to send requests. This client only needs to be
    // created once, and can be reused for multiple requests.
    try (SecretManagerServiceClient client = 
        SecretManagerServiceClient.create(secretManagerServiceSettings)) {
      // Build the name from the version.
      SecretName secretName = 
          SecretName.ofProjectLocationSecretName(projectId, locationId, secretId);

      // Request the current IAM policy.
      Policy policy =
          client.getIamPolicy(
              GetIamPolicyRequest.newBuilder().setResource(secretName.toString()).build());

      // Search through bindings and remove matches.
      String roleToFind = "roles/secretmanager.secretAccessor";
      for (Binding binding : policy.getBindingsList()) {
        if (binding.getRole() == roleToFind && binding.getMembersList().contains(member)) {
          binding.getMembersList().remove(member);
        }
      }

      // Save the updated IAM policy.
      Policy updatedPolicy = client.setIamPolicy(
          SetIamPolicyRequest.newBuilder()
              .setResource(secretName.toString())
              .setPolicy(policy)
              .build());

      System.out.printf("Updated IAM policy for %s\n", secretId);

      return updatedPolicy;
    }
  }
}

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。