/*
 * Copyright 2021 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 localtoast;

import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";
import "proto/v1/compliance.proto";

option go_package = "github.com/google/localtoast/scannerlib/proto/api_go_proto";

message ScanConfig {
  // The maximum amount of time the entire scan can run for.
  google.protobuf.Duration scan_timeout = 1;
  // The maximum amout of time each individual benchmark check can run for.
  google.protobuf.Duration benchmark_check_timeout = 2;
  // A list of files to opt out of being displayed in the scan results.
  OptOutConfig opt_out_config = 3;
  // A list of replacements to apply to the benchmark config used.
  ReplacementConfig replacement_config = 5;
  repeated BenchmarkConfig benchmark_configs = 4;
}

message OptOutConfig {
  // Don't display the file content / filename of the files whose path matches
  // a regex in the list.
  repeated string content_optout_regexes = 1;
  repeated string filename_optout_regexes = 2;
  // Skip the files/directories when traversing the filesystem recursively if
  // they match a regex in the list.
  repeated string traversal_optout_regexes = 3;
}

message ReplacementConfig {
  // Replace paths starting with the specified prefixes.
  map<string, string> path_prefix_replacements = 1;
}

message BenchmarkConfig {
  string id = 1;
  grafeas.v1.ComplianceNote compliance_note = 2;
}

message ScanResults {
  google.protobuf.Timestamp start_time = 1;
  google.protobuf.Timestamp end_time = 2;
  string scanner_version = 3;
  string benchmark_version = 4;
  string benchmark_document = 8;
  ScanStatus status = 5;
  repeated ComplianceResult compliant_benchmarks = 6;
  repeated ComplianceResult non_compliant_benchmarks = 7;
}

message ScanStatus {
  ScanStatusEnum status = 1;
  string failure_reason = 2;
  enum ScanStatusEnum {
    UNSPECIFIED = 0;
    FAILED = 1;
    SUCCEEDED = 2;
  }
}

message ComplianceResult {
  reserved 2;
  // ID of the Compliance Note associated with the Compliance Occurrence.
  // This is used to identify which benchmark failed.
  string id = 1;
  grafeas.v1.ComplianceOccurrence compliance_occurrence = 3;
}

// Messages used by the ScanApiProvider to interact with the file system.
message DirContent {
  string name = 1;
  bool is_dir = 2;
  bool is_symlink = 3;
}
message PosixPermissions {
  // File permissions represented by 4 octal digits
  // (flags, owner, group, other), e.g. 1744
  int32 permission_num = 1;
  int32 uid = 2;
  string user = 3;  // "" if unowned
  int32 gid = 4;
  string group = 5;  // "" if unowned
}

// Per-OS benchmark configs are stored in .textproto files using this format.
message PerOsBenchmarkConfig {
  // The OS and config versions the benchmarks applies to.
  grafeas.v1.ComplianceVersion version = 1;
  // The benchmark IDs that apply to this OS. The referenced benchmarks are
  // defined in separate benchmark definition files.
  repeated string benchmark_id = 2;
  // Overrides the default profile level for specific benchmarks.
  repeated ProfileLevelOverride profile_level_override = 3;
}

message ProfileLevelOverride {
  int32 level = 1;
  repeated string benchmark_id = 2;
}