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deidentify_table_bucketing.php
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deidentify_table_bucketing.php
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<?php
/**
* Copyright 2023 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* For instructions on how to run the samples:
*
* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/main/dlp/README.md
*/
namespace Google\Cloud\Samples\Dlp;
# [START dlp_deidentify_table_bucketing]
use Google\Cloud\Dlp\V2\Client\DlpServiceClient;
use Google\Cloud\Dlp\V2\ContentItem;
use Google\Cloud\Dlp\V2\DeidentifyConfig;
use Google\Cloud\Dlp\V2\DeidentifyContentRequest;
use Google\Cloud\Dlp\V2\FieldId;
use Google\Cloud\Dlp\V2\FieldTransformation;
use Google\Cloud\Dlp\V2\FixedSizeBucketingConfig;
use Google\Cloud\Dlp\V2\PrimitiveTransformation;
use Google\Cloud\Dlp\V2\RecordTransformations;
use Google\Cloud\Dlp\V2\Table;
use Google\Cloud\Dlp\V2\Table\Row;
use Google\Cloud\Dlp\V2\Value;
/**
* De-identify data using table bucketing
* Transform a column without inspection. To transform a column in which the content is
* already known, you can skip inspection and specify a transformation directly.
*
* @param string $callingProjectId The Google Cloud project id to use as a parent resource.
* @param string $inputCsvFile The input file(csv) path to deidentify
* @param string $outputCsvFile The oupt file path to save deidentify content
*
*/
function deidentify_table_bucketing(
// TODO(developer): Replace sample parameters before running the code.
string $callingProjectId,
string $inputCsvFile = './test/data/table2.csv',
string $outputCsvFile = './test/data/deidentify_table_bucketing_output.csv'
): void {
// Instantiate a client.
$dlp = new DlpServiceClient();
// Read a CSV file
$csvLines = file($inputCsvFile, FILE_IGNORE_NEW_LINES);
$csvHeaders = explode(',', $csvLines[0]);
$csvRows = array_slice($csvLines, 1);
// Convert CSV file into protobuf objects
$tableHeaders = array_map(function ($csvHeader) {
return (new FieldId)
->setName($csvHeader);
}, $csvHeaders);
$tableRows = array_map(function ($csvRow) {
$rowValues = array_map(function ($csvValue) {
return (new Value())
->setStringValue($csvValue);
}, explode(',', $csvRow));
return (new Row())
->setValues($rowValues);
}, $csvRows);
// Construct the table object
$tableToDeIdentify = (new Table())
->setHeaders($tableHeaders)
->setRows($tableRows);
// Specify what content you want the service to de-identify.
$contentItem = (new ContentItem())
->setTable($tableToDeIdentify);
// Specify how the content should be de-identified.
$fixedSizeBucketingConfig = (new FixedSizeBucketingConfig())
->setBucketSize(10)
->setLowerBound((new Value())
->setIntegerValue(10))
->setUpperBound((new Value())
->setIntegerValue(100));
$primitiveTransformation = (new PrimitiveTransformation())
->setFixedSizeBucketingConfig($fixedSizeBucketingConfig);
// Specify the field to to apply bucketing transform on
$fieldId = (new FieldId())
->setName('HAPPINESS_SCORE');
// Associate the encryption with the specified field.
$fieldTransformation = (new FieldTransformation())
->setPrimitiveTransformation($primitiveTransformation)
->setFields([$fieldId]);
$recordTransformations = (new RecordTransformations())
->setFieldTransformations([$fieldTransformation]);
// Create the deidentification configuration object
$deidentifyConfig = (new DeidentifyConfig())
->setRecordTransformations($recordTransformations);
$parent = "projects/$callingProjectId/locations/global";
// Run request
$deidentifyContentRequest = (new DeidentifyContentRequest())
->setParent($parent)
->setDeidentifyConfig($deidentifyConfig)
->setItem($contentItem);
$response = $dlp->deidentifyContent($deidentifyContentRequest);
// Print results
$csvRef = fopen($outputCsvFile, 'w');
fputcsv($csvRef, $csvHeaders);
foreach ($response->getItem()->getTable()->getRows() as $tableRow) {
$values = array_map(function ($tableValue) {
return $tableValue->getStringValue();
}, iterator_to_array($tableRow->getValues()));
fputcsv($csvRef, $values);
};
printf($outputCsvFile);
}
# [END dlp_deidentify_table_bucketing]
// The following 2 lines are only needed to run the samples
require_once __DIR__ . '/../../testing/sample_helpers.php';
\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);