Oculta datos sensibles del texto

Cloud Data Loss Prevention (DLP) puede ocultar u ofuscar datos sensibles de una string de texto. Puedes transmitirle información textual a la API mediante el uso de JSON sobre HTTP o usar una de las bibliotecas cliente para que lo hagan con varios lenguajes de programación populares.

La API de projects.content.deidentify toma lo siguiente como argumentos:

  • Una string de texto.
  • Texto de marcador de posición que reemplazará los datos sensibles detectados. En este ejemplo, los datos se reemplazan por su Infotipo correspondiente.
  • Una lista de uno o más infotipos que quieres ocultar.

Cloud DLP muestra la string con los datos sensibles que se reemplazan por el marcador de posición elegido.

Ejemplo de redacción de texto

Para obtener más información sobre el uso de JSON con la API de Cloud DLP, consulta la guía de inicio rápido de JSON.

Protocolo

Entrada de JSON:

{
  "item": {
     "value":"My email is test@example.com",
   },
   "deidentifyConfig": {
     "infoTypeTransformations":{
          "transformations": [
            {
              "primitiveTransformation": {
                "replaceWithInfoTypeConfig": {}
              }
            }
          ]
        }
    },
    "inspectConfig": {
      "infoTypes": {
        "name": "EMAIL_ADDRESS"
      }
    }
}

URL:

https://dlp.googleapis.com/v2/projects/[PROJECT_ID]/content:deidentify

Cloud DLP muestra lo siguiente después de recibir la solicitud:

Salida de JSON:

{
  "item":{
    "value":"My email is [EMAIL_ADDRESS]"
  },
  "overview":{
    "transformedBytes":"16",
    "transformationSummaries":[
      {
        "infoType":{
          "name":"EMAIL_ADDRESS"
        },
        "transformation":{
          "replaceWithInfoTypeConfig":{

          }
        },
        "results":[
          {
            "count":"1",
            "code":"SUCCESS"
          }
        ],
        "transformedBytes":"16"
      }
    ]
  }
}

Java

Si deseas obtener información para instalar y usar la biblioteca cliente de Cloud DLP, consulta las Bibliotecas cliente de Cloud DLP.


import com.google.cloud.dlp.v2.DlpServiceClient;
import com.google.privacy.dlp.v2.ContentItem;
import com.google.privacy.dlp.v2.DeidentifyConfig;
import com.google.privacy.dlp.v2.DeidentifyContentRequest;
import com.google.privacy.dlp.v2.DeidentifyContentResponse;
import com.google.privacy.dlp.v2.InfoType;
import com.google.privacy.dlp.v2.InfoTypeTransformations;
import com.google.privacy.dlp.v2.InfoTypeTransformations.InfoTypeTransformation;
import com.google.privacy.dlp.v2.InspectConfig;
import com.google.privacy.dlp.v2.LocationName;
import com.google.privacy.dlp.v2.PrimitiveTransformation;
import com.google.privacy.dlp.v2.ReplaceWithInfoTypeConfig;
import java.io.IOException;

public class DeIdentifyWithInfoType {

  public static void main(String[] args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String textToInspect = "My email is test@example.com";
    deIdentifyWithInfoType(projectId, textToInspect);
  }

  public static void deIdentifyWithInfoType(String projectId, String textToRedact)
      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 content to be inspected.
      ContentItem item = ContentItem.newBuilder().setValue(textToRedact).build();

      // Specify the type of info the inspection will look for.
      // See https://cloud.google.com/dlp/docs/infotypes-reference for complete list of info types
      InfoType infoType = InfoType.newBuilder().setName("EMAIL_ADDRESS").build();
      InspectConfig inspectConfig = InspectConfig.newBuilder().addInfoTypes(infoType).build();
      // Specify replacement string to be used for the finding.
      ReplaceWithInfoTypeConfig replaceWithInfoTypeConfig =
          ReplaceWithInfoTypeConfig.newBuilder().build();
      // Define type of deidentification as replacement with info type.
      PrimitiveTransformation primitiveTransformation =
          PrimitiveTransformation.newBuilder()
              .setReplaceWithInfoTypeConfig(replaceWithInfoTypeConfig)
              .build();
      // Associate deidentification type with info type.
      InfoTypeTransformation transformation =
          InfoTypeTransformation.newBuilder()
              .addInfoTypes(infoType)
              .setPrimitiveTransformation(primitiveTransformation)
              .build();
      // Construct the configuration for the Redact request and list all desired transformations.
      DeidentifyConfig redactConfig =
          DeidentifyConfig.newBuilder()
              .setInfoTypeTransformations(
                  InfoTypeTransformations.newBuilder().addTransformations(transformation))
              .build();

      // Construct the Redact request to be sent by the client.
      DeidentifyContentRequest request =
          DeidentifyContentRequest.newBuilder()
              .setParent(LocationName.of(projectId, "global").toString())
              .setItem(item)
              .setDeidentifyConfig(redactConfig)
              .setInspectConfig(inspectConfig)
              .build();

      // Use the client to send the API request.
      DeidentifyContentResponse response = dlp.deidentifyContent(request);

      // Parse the response and process results
      System.out.println("Text after redaction: " + response.getItem().getValue());
    }
  }
}

Python

Si deseas obtener información para instalar y usar la biblioteca cliente de Cloud DLP, consulta las Bibliotecas cliente de Cloud DLP.

def deidentify_with_replace_infotype(project, item, info_types):
    """Uses the Data Loss Prevention API to deidentify sensitive data in a
    string by replacing it with the info type.
    Args:
        project: The Google Cloud project id to use as a parent resource.
        item: The string to deidentify (will be treated as text).
        info_types: A list of strings representing info types to look for.
            A full list of info type categories can be fetched from the API.
    Returns:
        None; the response from the API is printed to the terminal.
    """

    # Import the client library
    import google.cloud.dlp

    # Instantiate a client
    dlp = google.cloud.dlp_v2.DlpServiceClient()

    # Convert the project id into a full resource id.
    parent = f"projects/{project}"

    # Construct inspect configuration dictionary
    inspect_config = {"info_types": [{"name": info_type} for info_type in info_types]}

    # Construct deidentify configuration dictionary
    deidentify_config = {
        "info_type_transformations": {
            "transformations": [
                {"primitive_transformation": {"replace_with_info_type_config": {}}}
            ]
        }
    }

    # Call the API
    response = dlp.deidentify_content(
        request={
            "parent": parent,
            "deidentify_config": deidentify_config,
            "inspect_config": inspect_config,
            "item": {"value": item},
        }
    )

    # Print out the results.
    print(response.item.value)

Puedes probar esto tú mismo con el Explorador de API incorporado aquí.

Próximos pasos

La redacción es una forma de desidentificación. Para aprender a desidentificar contenido, consulta Desidentifica datos sensibles en contenidos de texto.