// 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
//
//     http://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.

syntax = "proto3";

package google.cloud.securitycenter.v1;

option csharp_namespace = "Google.Cloud.SecurityCenter.V1";
option go_package = "cloud.google.com/go/securitycenter/apiv1/securitycenterpb;securitycenterpb";
option java_multiple_files = true;
option java_outer_classname = "ExfiltrationProto";
option java_package = "com.google.cloud.securitycenter.v1";
option php_namespace = "Google\\Cloud\\SecurityCenter\\V1";
option ruby_package = "Google::Cloud::SecurityCenter::V1";

// Exfiltration represents a data exfiltration attempt of one or more
// sources to one or more targets. Sources represent the source
// of data that is exfiltrated, and Targets represents the destination the
// data was copied to.
message Exfiltration {
  // If there are multiple sources, then the data is considered "joined" between
  // them. For instance, BigQuery can join multiple tables, and each
  // table would be considered a source.
  repeated ExfilResource sources = 1;

  // If there are multiple targets, each target would get a complete copy of the
  // "joined" source data.
  repeated ExfilResource targets = 2;
}

// Resource that has been exfiltrated or exfiltrated_to.
message ExfilResource {
  // Resource's URI (https://google.aip.dev/122#full-resource-names)
  string name = 1;

  // Subcomponents of the asset that is exfiltrated - these could be
  // URIs used during exfiltration, table names, databases, filenames, etc.
  // For example, multiple tables may be exfiltrated from the same CloudSQL
  // instance, or multiple files from the same Cloud Storage bucket.
  repeated string components = 2;
}