dlp/snippets/deid/deid_time_extract.go (90 lines of code) (raw):
// 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
//
// https://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.
package deid
// [START dlp_deidentify_time_extract]
import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// deIdentifyTimeExtract De-identifies a table by extracting specific parts
// of the time (year in this case) from designated fields.
func deIdentifyTimeExtract(w io.Writer, projectID string) error {
row1 := &dlppb.Table_Row{
Values: []*dlppb.Value{
{Type: &dlppb.Value_StringValue{StringValue: "Ann"}},
{Type: &dlppb.Value_StringValue{StringValue: "01/01/1970"}},
{Type: &dlppb.Value_StringValue{StringValue: "4532908762519852"}},
{Type: &dlppb.Value_StringValue{StringValue: "07/21/1996"}},
},
}
row2 := &dlppb.Table_Row{
Values: []*dlppb.Value{
{Type: &dlppb.Value_StringValue{StringValue: "James"}},
{Type: &dlppb.Value_StringValue{StringValue: "03/06/1988"}},
{Type: &dlppb.Value_StringValue{StringValue: "4301261899725540"}},
{Type: &dlppb.Value_StringValue{StringValue: "04/09/2001"}},
},
}
// Specify the table to de-identify.
tableToDeidentify := &dlppb.Table{
Headers: []*dlppb.FieldId{
{Name: "Name"},
{Name: "Birth Date"},
{Name: "Credit Card"},
{Name: "Register Date"},
},
Rows: []*dlppb.Table_Row{
{Values: row1.Values},
{Values: row2.Values},
},
}
ctx := context.Background()
// Initialize a client once and reuse it to send multiple requests. Clients
// are safe to use across goroutines. When the client is no longer needed,
// call the Close method to cleanup its resources.
client, err := dlp.NewClient(ctx)
if err != nil {
return err
}
// Closing the client safely cleans up background resources.
defer client.Close()
// Specify what content you want the service to de-identify.
contentItem := &dlppb.ContentItem{
DataItem: &dlppb.ContentItem_Table{
Table: tableToDeidentify,
},
}
// Specify the time part to extract.
timePartConfig := &dlppb.PrimitiveTransformation_TimePartConfig{
TimePartConfig: &dlppb.TimePartConfig{
PartToExtract: dlppb.TimePartConfig_YEAR,
},
}
transformation := &dlppb.PrimitiveTransformation{
Transformation: timePartConfig,
}
// Specify which fields the TimePart should apply too.
dateFields := []*dlppb.FieldId{
{Name: "Birth Date"},
{Name: "Register Date"},
}
fieldTransformation := &dlppb.FieldTransformation{
Fields: dateFields,
Transformation: &dlppb.FieldTransformation_PrimitiveTransformation{
PrimitiveTransformation: transformation,
},
}
recordTransformations := []*dlppb.RecordTransformations{
{
FieldTransformations: []*dlppb.FieldTransformation{
fieldTransformation,
},
},
}
// Specify the config for the de-identify request.
deidentifyConfig := &dlppb.DeidentifyConfig{
Transformation: &dlppb.DeidentifyConfig_RecordTransformations{
RecordTransformations: recordTransformations[0],
},
}
// Construct the de-identification request to be sent by the client.
req := &dlppb.DeidentifyContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
DeidentifyConfig: deidentifyConfig,
Item: contentItem,
}
// Send the request.
resp, err := client.DeidentifyContent(ctx, req)
if err != nil {
return err
}
// Print the results.
fmt.Fprintf(w, "Table after de-identification : %v", resp.GetItem().GetTable())
return nil
}
// [END dlp_deidentify_time_extract]