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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/safe_browsing/content/renderer/phishing_classifier/phishing_model_setter_impl.h"
#include "components/safe_browsing/content/renderer/phishing_classifier/scorer.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
namespace safe_browsing {
std::unique_ptr<Scorer> CreateFlatBufferModelScorer(
base::ReadOnlySharedMemoryRegion flatbuffer_region,
base::File tflite_visual_model) {
std::unique_ptr<Scorer> scorer;
// An invalid region means we should disable client-side phishing detection.
if (flatbuffer_region.IsValid()) {
scorer = safe_browsing::Scorer::Create(std::move(flatbuffer_region),
std::move(tflite_visual_model));
}
return scorer;
}
std::unique_ptr<Scorer> CreateScorerWithImageEmbeddingModel(
base::ReadOnlySharedMemoryRegion flatbuffer_region,
base::File tflite_visual_model,
base::File image_embedding_model) {
std::unique_ptr<Scorer> scorer;
// An invalid region means we should disable client-side phishing detection.
if (flatbuffer_region.IsValid()) {
scorer = safe_browsing::Scorer::CreateScorerWithImageEmbeddingModel(
std::move(flatbuffer_region), std::move(tflite_visual_model),
std::move(image_embedding_model));
}
return scorer;
}
PhishingModelSetterImpl::PhishingModelSetterImpl() = default;
PhishingModelSetterImpl::~PhishingModelSetterImpl() = default;
void PhishingModelSetterImpl::RegisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {
associated_interfaces->AddInterface<mojom::PhishingModelSetter>(
base::BindRepeating(&PhishingModelSetterImpl::OnRendererAssociatedRequest,
base::Unretained(this)));
}
void PhishingModelSetterImpl::UnregisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {
associated_interfaces->RemoveInterface(mojom::PhishingModelSetter::Name_);
}
void PhishingModelSetterImpl::SetImageEmbeddingAndPhishingFlatBufferModel(
base::ReadOnlySharedMemoryRegion flatbuffer_region,
base::File tflite_visual_model,
base::File image_embedding_model) {
std::unique_ptr<Scorer> scorer = CreateScorerWithImageEmbeddingModel(
std::move(flatbuffer_region), std::move(tflite_visual_model),
std::move(image_embedding_model));
if (!scorer) {
return;
}
ScorerStorage::GetInstance()->SetScorer(std::move(scorer));
if (observer_for_testing_.is_bound()) {
observer_for_testing_->PhishingModelUpdated();
}
}
void PhishingModelSetterImpl::SetPhishingFlatBufferModel(
base::ReadOnlySharedMemoryRegion flatbuffer_region,
base::File tflite_visual_model) {
std::unique_ptr<Scorer> scorer = CreateFlatBufferModelScorer(
std::move(flatbuffer_region), std::move(tflite_visual_model));
if (!scorer) {
return;
}
ScorerStorage::GetInstance()->SetScorer(std::move(scorer));
if (observer_for_testing_.is_bound()) {
observer_for_testing_->PhishingModelUpdated();
}
}
void PhishingModelSetterImpl::AttachImageEmbeddingModel(
base::File image_embedding_model) {
Scorer* scorer = ScorerStorage::GetInstance()->GetScorer();
if (!scorer) {
return;
}
scorer->AttachImageEmbeddingModel(std::move(image_embedding_model));
}
void PhishingModelSetterImpl::ClearScorer() {
ScorerStorage::GetInstance()->ClearScorer();
}
void PhishingModelSetterImpl::SetTestObserver(
mojo::PendingRemote<mojom::PhishingModelSetterTestObserver> observer,
SetTestObserverCallback callback) {
if (observer_for_testing_.is_bound())
observer_for_testing_.reset();
observer_for_testing_.Bind(std::move(observer));
std::move(callback).Run();
}
void PhishingModelSetterImpl::OnRendererAssociatedRequest(
mojo::PendingAssociatedReceiver<mojom::PhishingModelSetter> receiver) {
receiver_.reset();
receiver_.Bind(std::move(receiver));
}
} // namespace safe_browsing
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