画像ファイルに含まれる機密データの検査

Cloud DLP を使用して画像内の機密データを検査します。

このコードサンプルが含まれるドキュメント ページ

コンテキストで使用されているコードサンプルを見るには、次のドキュメントをご覧ください。

コードサンプル

Java

Cloud DLP 用のクライアント ライブラリをインストールして使用する方法については、Cloud DLP クライアント ライブラリをご覧ください。


import com.google.cloud.dlp.v2.DlpServiceClient;
import com.google.privacy.dlp.v2.ByteContentItem;
import com.google.privacy.dlp.v2.ByteContentItem.BytesType;
import com.google.privacy.dlp.v2.ContentItem;
import com.google.privacy.dlp.v2.Finding;
import com.google.privacy.dlp.v2.InfoType;
import com.google.privacy.dlp.v2.InspectConfig;
import com.google.privacy.dlp.v2.InspectContentRequest;
import com.google.privacy.dlp.v2.InspectContentResponse;
import com.google.privacy.dlp.v2.LocationName;
import com.google.protobuf.ByteString;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class InspectImageFile {

  public static void main(String[] args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String filePath = "path/to/image.png";
    inspectImageFile(projectId, filePath);
  }

  // Inspects the specified image file.
  public static void inspectImageFile(String projectId, String filePath) throws IOException {
    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources.
    try (DlpServiceClient dlp = DlpServiceClient.create()) {
      // Specify the type and content to be inspected.
      ByteString fileBytes = ByteString.readFrom(new FileInputStream(filePath));
      ByteContentItem byteItem =
          ByteContentItem.newBuilder().setType(BytesType.IMAGE).setData(fileBytes).build();
      ContentItem item = ContentItem.newBuilder().setByteItem(byteItem).build();

      // Specify the type of info the inspection will look for.
      List<InfoType> infoTypes = new ArrayList<>();
      // See https://cloud.google.com/dlp/docs/infotypes-reference for complete list of info types
      for (String typeName : new String[] {"PHONE_NUMBER", "EMAIL_ADDRESS", "CREDIT_CARD_NUMBER"}) {
        infoTypes.add(InfoType.newBuilder().setName(typeName).build());
      }

      // Construct the configuration for the Inspect request.
      InspectConfig config =
          InspectConfig.newBuilder().addAllInfoTypes(infoTypes).setIncludeQuote(true).build();

      // Construct the Inspect request to be sent by the client.
      InspectContentRequest request =
          InspectContentRequest.newBuilder()
              .setParent(LocationName.of(projectId, "global").toString())
              .setItem(item)
              .setInspectConfig(config)
              .build();

      // Use the client to send the API request.
      InspectContentResponse response = dlp.inspectContent(request);

      // Parse the response and process results.
      System.out.println("Findings: " + response.getResult().getFindingsCount());
      for (Finding f : response.getResult().getFindingsList()) {
        System.out.println("\tQuote: " + f.getQuote());
        System.out.println("\tInfo type: " + f.getInfoType().getName());
        System.out.println("\tLikelihood: " + f.getLikelihood());
      }
    }
  }
}

PHP

Cloud DLP 用のクライアント ライブラリをインストールして使用する方法については、Cloud DLP クライアント ライブラリをご覧ください。

use Google\Cloud\Dlp\V2\DlpServiceClient;
use Google\Cloud\Dlp\V2\ContentItem;
use Google\Cloud\Dlp\V2\InfoType;
use Google\Cloud\Dlp\V2\InspectConfig;
use Google\Cloud\Dlp\V2\ByteContentItem;
use Google\Cloud\Dlp\V2\ByteContentItem\BytesType;
use Google\Cloud\Dlp\V2\Likelihood;

/** Uncomment and populate these variables in your code */
// $projectId = 'YOUR_PROJECT_ID';
// $filepath = 'path/to/image.png';

// Instantiate a client.
$dlp = new DlpServiceClient();

// Get the bytes of the file
$fileBytes = (new ByteContentItem())
    ->setType(BytesType::IMAGE_PNG)
    ->setData(file_get_contents($filepath));

// Construct request
$parent = "projects/$projectId/locations/global";
$item = (new ContentItem())
    ->setByteItem($fileBytes);
$inspectConfig = (new InspectConfig())
    // The infoTypes of information to match
    ->setInfoTypes([
        (new InfoType())->setName('PHONE_NUMBER'),
        (new InfoType())->setName('EMAIL_ADDRESS'),
        (new InfoType())->setName('CREDIT_CARD_NUMBER')
    ])
    // Whether to include the matching string
    ->setIncludeQuote(true);

// Run request
$response = $dlp->inspectContent([
    'parent' => $parent,
    'inspectConfig' => $inspectConfig,
    'item' => $item
]);

// Print the results
$findings = $response->getResult()->getFindings();
if (count($findings) == 0) {
    print('No findings.' . PHP_EOL);
} else {
    print('Findings:' . PHP_EOL);
    foreach ($findings as $finding) {
        print('  Quote: ' . $finding->getQuote() . PHP_EOL);
        print('  Info type: ' . $finding->getInfoType()->getName() . PHP_EOL);
        $likelihoodString = Likelihood::name($finding->getLikelihood());
        print('  Likelihood: ' . $likelihoodString . PHP_EOL);
    }
}

次のステップ

Google Cloud のサンプルで、他の Google Cloud プロダクトに関連するコードサンプルを確認する。