import (
"context"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// deidentifyTableMaskingCondition de-identifies the table data using masking
// and conditional logic
func deidentifyTableMaskingCondition(w io.Writer, projectID string) error {
// projectId := "your-project-id"
row1 := &dlppb.Table_Row{
Values: []*dlppb.Value{
{Type: &dlppb.Value_StringValue{StringValue: "22"}},
{Type: &dlppb.Value_StringValue{StringValue: "Jane Austen"}},
{Type: &dlppb.Value_StringValue{StringValue: "21"}},
},
}
row2 := &dlppb.Table_Row{
Values: []*dlppb.Value{
{Type: &dlppb.Value_StringValue{StringValue: "55"}},
{Type: &dlppb.Value_StringValue{StringValue: "Mark Twain"}},
{Type: &dlppb.Value_StringValue{StringValue: "75"}},
},
}
row3 := &dlppb.Table_Row{
Values: []*dlppb.Value{
{Type: &dlppb.Value_StringValue{StringValue: "101"}},
{Type: &dlppb.Value_StringValue{StringValue: "Charles Dickens"}},
{Type: &dlppb.Value_StringValue{StringValue: "95"}},
},
}
table := &dlppb.Table{
Headers: []*dlppb.FieldId{
{Name: "AGE"},
{Name: "PATIENT"},
{Name: "HAPPINESS SCORE"},
},
Rows: []*dlppb.Table_Row{
{Values: row1.Values},
{Values: row2.Values},
{Values: row3.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: table,
},
}
// Specify how the content should be de-identified.
charMaskConfig := &dlppb.CharacterMaskConfig{
MaskingCharacter: "*",
}
primitiveTransformation := &dlppb.PrimitiveTransformation_CharacterMaskConfig{
CharacterMaskConfig: charMaskConfig,
}
// Specify field to be de-identified.
fieldId := &dlppb.FieldId{
Name: "HAPPINESS SCORE",
}
// Apply the condition to the records present in table.
recordCondition := &dlppb.RecordCondition_Condition{
Field: fieldId,
Operator: dlppb.RelationalOperator_GREATER_THAN,
Value: &dlppb.Value{
Type: &dlppb.Value_IntegerValue{
IntegerValue: 89,
},
},
}
expression := &dlppb.RecordCondition_Expressions{
Type: &dlppb.RecordCondition_Expressions_Conditions{
Conditions: &dlppb.RecordCondition_Conditions{
Conditions: []*dlppb.RecordCondition_Condition{
recordCondition,
},
},
},
}
// Specify when the above field should be de-identified.
condition := &dlppb.RecordCondition{
// Apply the condition to records
Expressions: expression,
}
// Associate the de-identification and conditions with the specified field.
fieldTransformation := &dlppb.FieldTransformation{
Fields: []*dlppb.FieldId{
fieldId,
},
Transformation: &dlppb.FieldTransformation_PrimitiveTransformation{
PrimitiveTransformation: &dlppb.PrimitiveTransformation{
Transformation: primitiveTransformation,
},
},
Condition: condition,
}
recordTransformations := &dlppb.RecordTransformations{
FieldTransformations: []*dlppb.FieldTransformation{
fieldTransformation,
},
}
// Combine configurations into a request for the service.
req := &dlppb.DeidentifyContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
DeidentifyConfig: &dlppb.DeidentifyConfig{
Transformation: &dlppb.DeidentifyConfig_RecordTransformations{
RecordTransformations: recordTransformations,
},
},
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
}
