generator/generator_options.h

// Copyright 2026 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.
//

#ifndef THIRD_PARTY_CREDENTIO_GENERATOR_GENERATOR_OPTIONS_H_
#define THIRD_PARTY_CREDENTIO_GENERATOR_GENERATOR_OPTIONS_H_

#include "absl/base/nullability.h"
#include "assertion/assertion_cbor_encoder.h"
#include "claim/claim_cbor_encoder.h"
#include "claim/generator.h"
#include "claim/signer.h"
#include "constants/spec_version.h"
#include "crypto/default/hasher.h"
#include "crypto/hash.h"
#include "generator/manifest_store_transformer.h"
#include "proto/generator_info.pb.h"
#include "salt/random_salt_generator.h"
#include "salt/salt_generator.h"
#include "uuid/uuid.h"

namespace credentio {

// Options for creating a ManifestStoreGenerator.
struct GeneratorOptions {
  // Required.
  GeneratorInfo generator_info;
  // Required. Must outlive the created generator.
  ClaimSigner* signing_claim_signer = nullptr;
  // Required. Must outlive the created generator.
  ClaimSigner* template_claim_signer = nullptr;
  // Optional. If provided, must outlive the created generator.
  const UuidGenerator* absl_nonnull uuid_generator = &UuidGenerator::Default();
  // Optional. If provided, must outlive the created generator.
  const HasherFactory* absl_nonnull hash_factory = &DefaultHasherFactory();
  // Optional. If provided, must outlive the created generator.
  const AssertionCborEncoder* assertion_cbor_encoder = nullptr;
  // Optional. If provided, must outlive the created generator.
  const ClaimCborEncoder* claim_cbor_encoder = nullptr;
  // Optional. If provided, must outlive the created generator.
  const ManifestStoreTransformer* manifest_store_transformer = nullptr;
  // Optional.
  ManifestAssemblerFactory manifest_assembler_factory = CreateManifestAssembler;
  // The C2PA specification version the generated manifests conform to.
  SpecVersion spec_version = SpecVersion::kC2pa_2_2;
  // Optional. Salts every assertion; use `SaltGenerator::NoOp()` to disable
  // salting. If provided, must outlive the created generator.
  const SaltGenerator* absl_nonnull salt_generator =
      &RandomSaltGenerator::Default();
};

}  // namespace credentio

#endif  // THIRD_PARTY_CREDENTIO_GENERATOR_GENERATOR_OPTIONS_H_