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mask.go
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mask.go
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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_masking]
import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// mask deidentifies the input by masking all provided info types with maskingCharacter
// and prints the result to w.
func mask(w io.Writer, projectID, input string, infoTypeNames []string, maskingCharacter string, numberToMask int32) error {
// projectID := "my-project-id"
// input := "My SSN is 111222333"
// infoTypeNames := []string{"US_SOCIAL_SECURITY_NUMBER"}
// maskingCharacter := "+"
// numberToMask := 6
// Will print "My SSN is ++++++333"
ctx := context.Background()
client, err := dlp.NewClient(ctx)
if err != nil {
return fmt.Errorf("dlp.NewClient: %w", err)
}
defer client.Close()
// Convert the info type strings to a list of InfoTypes.
var infoTypes []*dlppb.InfoType
for _, it := range infoTypeNames {
infoTypes = append(infoTypes, &dlppb.InfoType{Name: it})
}
// Create a configured request.
req := &dlppb.DeidentifyContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
InspectConfig: &dlppb.InspectConfig{
InfoTypes: infoTypes,
},
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_CharacterMaskConfig{
CharacterMaskConfig: &dlppb.CharacterMaskConfig{
MaskingCharacter: maskingCharacter,
NumberToMask: numberToMask,
},
},
},
},
},
},
},
},
// 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: %w", err)
}
// Print the result.
fmt.Fprint(w, r.GetItem().GetValue())
return nil
}
// [END dlp_deidentify_masking]