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// Copyright 2019 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_date_shift]
import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
dlppb "google.golang.org/genproto/googleapis/privacy/dlp/v2"
)
// deidentifyDateShift shifts dates found in the input between lowerBoundDays and
// upperBoundDays.
func deidentifyDateShift(w io.Writer, projectID string, lowerBoundDays, upperBoundDays int32, input string) error {
// projectID := "my-project-id"
// lowerBoundDays := -1
// upperBound := -1
// input := "2016-01-10"
// Will print "2016-01-09"
ctx := context.Background()
client, err := dlp.NewClient(ctx)
if err != nil {
return fmt.Errorf("dlp.NewClient: %v", err)
}
// Create a configured request.
req := &dlppb.DeidentifyContentRequest{
Parent: "projects/" + projectID,
DeidentifyConfig: &dlppb.DeidentifyConfig{
Transformation: &dlppb.DeidentifyConfig_InfoTypeTransformations{
InfoTypeTransformations: &dlppb.InfoTypeTransformations{
Transformations: []*dlppb.InfoTypeTransformations_InfoTypeTransformation{
{
InfoTypes: []*dlppb.InfoType{}, // Match all info types.
PrimitiveTransformation: &dlppb.PrimitiveTransformation{
Transformation: &dlppb.PrimitiveTransformation_DateShiftConfig{
DateShiftConfig: &dlppb.DateShiftConfig{
LowerBoundDays: lowerBoundDays,
UpperBoundDays: upperBoundDays,
},
},
},
},
},
},
},
},
// The InspectConfig is used to identify the DATE fields.
InspectConfig: &dlppb.InspectConfig{
InfoTypes: []*dlppb.InfoType{
{
Name: "DATE",
},
},
},
// The item to analyze.
Item: &dlppb.ContentItem{
DataItem: &dlppb.ContentItem_Value{
Value: input,
},
},
}
// Send the request.
r, err := client.DeidentifyContent(ctx, req)
if err != nil {
return fmt.Errorf("DeidentifyContent: %v", err)
}
// Print the result.
fmt.Fprint(w, r.GetItem().GetValue())
return nil
}
// [END dlp_deidentify_date_shift]
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