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deid_dictionary_replacement.go
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/
deid_dictionary_replacement.go
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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
//
// 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_dictionary_replacement]
import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// deidentifyDataReplaceWithDictionary de-identifies sensitive data in a string by replacing
// each piece of detected sensitive data with a value that Cloud DLP randomly selects from
// a list of words that you provide.
func deidentifyDataReplaceWithDictionary(w io.Writer, projectID, textToDeIdentify string) error {
// projectId := "my-project-id"
// textToDeIdentify := "My name is Alicia Abernathy, and my email address is aabernathy@example.com."
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 the content to be inspected.
item := &dlppb.ContentItem{
DataItem: &dlppb.ContentItem_Value{
Value: textToDeIdentify,
},
}
// Specify the type of info the inspection will look for.
// See https://cloud.google.com/dlp/docs/infotypes-reference for complete list of info types
infoType := &dlppb.InfoType{
Name: "EMAIL_ADDRESS",
}
// Specify the infotypes to be inspected.
inspectConfig := &dlppb.InspectConfig{
InfoTypes: []*dlppb.InfoType{
infoType,
},
}
// Specify list of values which will be randomly picked to replace identified email addresses.
wordList := &dlppb.ReplaceDictionaryConfig_WordList{
WordList: &dlppb.CustomInfoType_Dictionary_WordList{
Words: []string{"izumi@example.com", "alex@example.com"},
},
}
// Specify the Dictionary to use for selecting replacement values for the finding.
replaceDictionaryConfig := &dlppb.ReplaceDictionaryConfig{
Type: wordList,
}
// Define type of de-identification as replacement with items from dictionary.
primitiveTransformation := &dlppb.PrimitiveTransformation{
Transformation: &dlppb.PrimitiveTransformation_ReplaceDictionaryConfig{
ReplaceDictionaryConfig: replaceDictionaryConfig,
},
}
transformation := &dlppb.InfoTypeTransformations_InfoTypeTransformation{
InfoTypes: []*dlppb.InfoType{
infoType,
},
PrimitiveTransformation: primitiveTransformation,
}
// Combine configurations into a request for the service.
deIdentifyConfig := &dlppb.DeidentifyConfig{
Transformation: &dlppb.DeidentifyConfig_InfoTypeTransformations{
InfoTypeTransformations: &dlppb.InfoTypeTransformations{
Transformations: []*dlppb.InfoTypeTransformations_InfoTypeTransformation{
transformation,
},
},
},
}
// Construct the de-identification request to be sent by the client.
req := &dlppb.DeidentifyContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
DeidentifyConfig: deIdentifyConfig,
InspectConfig: inspectConfig,
Item: item,
}
// Send the request.
resp, err := client.DeidentifyContent(ctx, req)
if err != nil {
return err
}
// Print the results.
fmt.Fprint(w, "output: ", resp.GetItem().GetValue())
return nil
}
// [END dlp_deidentify_dictionary_replacement]