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inspect_string_without_overlap.go
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/
inspect_string_without_overlap.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 inspect
// [START dlp_inspect_string_without_overlap]
import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// inspectStringWithoutOverlap inspects a string for sensitive data
// and omit overlapping matches on domain and email
func inspectStringWithoutOverlap(w io.Writer, projectID, textToInspect string) error {
// projectID := "my-project-id"
// textToInspect := "example.com is a domain, james@example.org is an email."
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 type and content to be inspected.
contentItem := &dlppb.ContentItem{
DataItem: &dlppb.ContentItem_ByteItem{
ByteItem: &dlppb.ByteContentItem{
Type: dlppb.ByteContentItem_TEXT_UTF8,
Data: []byte(textToInspect),
},
},
}
// 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.
infoTypes := []*dlppb.InfoType{
{Name: "DOMAIN_NAME"},
{Name: "EMAIL_ADDRESS"},
}
// Define a custom info type to exclude email addresses
customInfotype := &dlppb.CustomInfoType{
InfoType: &dlppb.InfoType{
Name: "EMAIL_ADDRESS",
},
ExclusionType: dlppb.CustomInfoType_EXCLUSION_TYPE_EXCLUDE,
}
// Exclude EMAIL_ADDRESS matches
exclusionRule := &dlppb.ExclusionRule{
Type: &dlppb.ExclusionRule_ExcludeInfoTypes{
ExcludeInfoTypes: &dlppb.ExcludeInfoTypes{
InfoTypes: []*dlppb.InfoType{
{Name: "EMAIL_ADDRESS"},
},
},
},
MatchingType: dlppb.MatchingType_MATCHING_TYPE_PARTIAL_MATCH,
}
// Construct a ruleSet that applies the exclusion rule to the DOMAIN_NAME infoType.
// If a DOMAIN_NAME match is part of an EMAIL_ADDRESS match, the DOMAIN_NAME match will
// be excluded.
ruleSet := &dlppb.InspectionRuleSet{
InfoTypes: []*dlppb.InfoType{
{Name: "DOMAIN_NAME"},
},
Rules: []*dlppb.InspectionRule{
{
Type: &dlppb.InspectionRule_ExclusionRule{
ExclusionRule: exclusionRule,
},
},
},
}
// Construct the Inspect request to be sent by the client.
req := &dlppb.InspectContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
Item: contentItem,
// Construct the Inspect request to be sent by the client.
InspectConfig: &dlppb.InspectConfig{
InfoTypes: infoTypes,
CustomInfoTypes: []*dlppb.CustomInfoType{
customInfotype,
},
IncludeQuote: true,
RuleSet: []*dlppb.InspectionRuleSet{
ruleSet,
},
},
}
// Send the request.
resp, err := client.InspectContent(ctx, req)
if err != nil {
return err
}
// Process the results.
fmt.Fprintf(w, "Findings: %v\n", len(resp.Result.Findings))
for _, v := range resp.GetResult().Findings {
fmt.Fprintf(w, "Quote: %v\n", v.GetQuote())
fmt.Fprintf(w, "Infotype Name: %v\n", v.GetInfoType().GetName())
fmt.Fprintf(w, "Likelihood: %v\n", v.GetLikelihood())
}
return nil
}
// [END dlp_inspect_string_without_overlap]