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deIdentifyTableWithMultipleCryptoHash.js
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deIdentifyTableWithMultipleCryptoHash.js
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// Copyright 2023 Google LLC
//
// 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.
'use strict';
// sample-metadata:
// title: De-identify the table using two separate cryptographic hash transformations.
// description: Uses the Data Loss Prevention API to de-identify the table using two separate cryptographic hash transformations.
// usage: node deIdentifyTableWithMultipleCryptoHash projectId, transientKey, transientKey2
function main(projectId, transientKey1, transientKey2) {
// [START dlp_deidentify_table_with_multiple_crypto_hash]
// Imports the Google Cloud client library
const DLP = require('@google-cloud/dlp');
// Instantiates a client
const dlp = new DLP.DlpServiceClient();
// The project ID to run the API call under
// const projectId = 'my-project';
// Crypto key 1
// const transientKey1 = 'YOUR_TRANSIENT_CRYPTO_KEY';
// Crypto key 2
// const transientKey2 = 'YOUR_TRANSIENT_CRYPTO_KEY_2';
// The table to de-identify.
const tableToDeIdentify = {
headers: [{name: 'userid'}, {name: 'comments'}],
rows: [
{
values: [
{stringValue: 'user1@example.org'},
{
stringValue:
'my email is user1@example.org and phone is 858-555-0222',
},
],
},
{
values: [
{stringValue: 'user2@example.org'},
{
stringValue:
'my email is user2@example.org and phone is 858-555-0223',
},
],
},
{
values: [
{
stringValue: 'user3@example.org',
},
{
stringValue:
'my email is user3@example.org and phone is 858-555-0224',
},
],
},
],
};
async function deIdentifyTableWithMultipleCryptoHash() {
// The type of info the inspection will look for.
const infoTypes = [{name: 'PHONE_NUMBER'}, {name: 'EMAIL_ADDRESS'}];
// The fields to be de-identified.
const fieldIds1 = [{name: 'userid'}];
const fieldIds2 = [{name: 'comments'}];
// Construct two primitive transformations using two different keys.
const primitiveTransformation1 = {
cryptoHashConfig: {
cryptoKey: {
transient: {
name: transientKey1,
},
},
},
};
const primitiveTransformation2 = {
cryptoHashConfig: {
cryptoKey: {
transient: {
name: transientKey2,
},
},
},
};
// Construct infoType transformation using transient key 2
const infoTypeTransformation = {
primitiveTransformation: primitiveTransformation2,
infoTypes: infoTypes,
};
// Associate each field with transformation defined above.
const fieldTransformations = [
{
fields: fieldIds1,
primitiveTransformation: primitiveTransformation1,
},
{
fields: fieldIds2,
infoTypeTransformations: {
transformations: [infoTypeTransformation],
},
},
];
// Use transformation confiugrations and construct de-identify configuration.
const deidentifyConfig = {
recordTransformations: {
fieldTransformations: fieldTransformations,
},
};
// Combine configurations into a request for the service.
const request = {
parent: `projects/${projectId}/locations/global`,
deidentifyConfig: deidentifyConfig,
inspectConfig: {
infoTypes: infoTypes,
},
item: {
table: tableToDeIdentify,
},
};
// Send the request and receive response from the service.
const [response] = await dlp.deidentifyContent(request);
const deidentifiedTable = response.item.table;
// Print the results.
console.log(
`Deidentified table: ${JSON.stringify(deidentifiedTable, null, 2)}`
);
}
deIdentifyTableWithMultipleCryptoHash();
// [END dlp_deidentify_table_with_multiple_crypto_hash]
}
process.on('unhandledRejection', err => {
console.error(err.message);
process.exitCode = 1;
});
main(...process.argv.slice(2));