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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/cert_provisioning/cert_provisioning_invalidator.h"
#include <memory>
#include <string>
#include <utility>
#include "chrome/browser/ash/cert_provisioning/cert_provisioning_common.h"
#include "chrome/browser/invalidation/profile_invalidation_provider_factory.h"
#include "components/invalidation/invalidation_listener.h"
#include "components/invalidation/profile_invalidation_provider.h"
namespace ash::cert_provisioning {
//=============== CertProvisioningInvalidationHandler ==========================
namespace internal {
CertProvisioningInvalidationHandler::CertProvisioningInvalidationHandler(
invalidation::InvalidationListener* invalidation_listener,
const std::string& listener_type,
OnInvalidationEventCallback on_invalidation_event_callback)
: invalidation_listener_(invalidation_listener),
listener_type_(listener_type),
on_invalidation_event_callback_(
std::move(on_invalidation_event_callback)) {
CHECK(!on_invalidation_event_callback_.is_null());
invalidation_listener_observation_.Observe(invalidation_listener_);
}
CertProvisioningInvalidationHandler::~CertProvisioningInvalidationHandler() {
// Explicitly reset observation of `InvalidationListener` as it needs
// `GetType()` to remove observer and `GetType()` requires access to our
// state.
invalidation_listener_observation_.Reset();
}
void CertProvisioningInvalidationHandler::OnExpectationChanged(
invalidation::InvalidationsExpected expected) {
if (are_invalidations_expected_ ==
invalidation::InvalidationsExpected::kMaybe &&
expected == invalidation::InvalidationsExpected::kYes) {
// If an invalidation is sent from the server-side before the device uploads
// the token to receive it, the invalidation can get lost.
// Emit kSuccessfullySubscribed after all initializations are complete to
// cover for the potentially lost invalidations.
on_invalidation_event_callback_.Run(
InvalidationEvent::kSuccessfullySubscribed);
}
are_invalidations_expected_ = expected;
}
void CertProvisioningInvalidationHandler::OnInvalidationReceived(
const invalidation::DirectInvalidation& invalidation) {
on_invalidation_event_callback_.Run(InvalidationEvent::kInvalidationReceived);
}
std::string CertProvisioningInvalidationHandler::GetType() const {
return listener_type_;
}
bool CertProvisioningInvalidationHandler::IsRegistered() const {
return invalidation_listener_observation_.IsObservingSource(
invalidation_listener_);
}
bool CertProvisioningInvalidationHandler::AreInvalidationsEnabled() const {
if (!IsRegistered()) {
return false;
}
return are_invalidations_expected_ ==
invalidation::InvalidationsExpected::kYes;
}
} // namespace internal
//=============== CertProvisioningUserInvalidator ==============================
CertProvisioningInvalidator::CertProvisioningInvalidator() = default;
CertProvisioningInvalidator::~CertProvisioningInvalidator() = default;
void CertProvisioningInvalidator::Unregister() {
invalidation_handler_.reset();
}
//=============== CertProvisioningUserInvalidatorFactory =======================
CertProvisioningUserInvalidatorFactory::CertProvisioningUserInvalidatorFactory(
Profile* profile)
: profile_(profile) {
CHECK(profile_);
}
std::unique_ptr<CertProvisioningInvalidator>
CertProvisioningUserInvalidatorFactory::Create() {
return std::make_unique<CertProvisioningUserInvalidator>(profile_);
}
//=============== CertProvisioningUserInvalidator ==============================
CertProvisioningUserInvalidator::CertProvisioningUserInvalidator(
Profile* profile)
: profile_(profile) {
CHECK(profile_);
}
void CertProvisioningUserInvalidator::Register(
const std::string& listener_type,
OnInvalidationEventCallback on_invalidation_event_callback) {
invalidation::ProfileInvalidationProvider* invalidation_provider =
invalidation::ProfileInvalidationProviderFactory::GetForProfile(profile_);
CHECK(invalidation_provider);
invalidation_handler_ =
std::make_unique<internal::CertProvisioningInvalidationHandler>(
invalidation_provider->GetInvalidationListener(
kCertProvisioningInvalidationProjectNumber),
listener_type, std::move(on_invalidation_event_callback));
}
//=============== CertProvisioningDeviceInvalidatorFactory =====================
CertProvisioningDeviceInvalidatorFactory::
CertProvisioningDeviceInvalidatorFactory(
invalidation::InvalidationListener* invalidation_listener)
: invalidation_listener_(invalidation_listener) {}
CertProvisioningDeviceInvalidatorFactory::
CertProvisioningDeviceInvalidatorFactory() = default;
CertProvisioningDeviceInvalidatorFactory::
~CertProvisioningDeviceInvalidatorFactory() = default;
std::unique_ptr<CertProvisioningInvalidator>
CertProvisioningDeviceInvalidatorFactory::Create() {
return std::make_unique<CertProvisioningDeviceInvalidator>(
invalidation_listener_);
}
//=============== CertProvisioningDeviceInvalidator ============================
CertProvisioningDeviceInvalidator::CertProvisioningDeviceInvalidator(
invalidation::InvalidationListener* invalidation_listener)
: invalidation_listener_(invalidation_listener) {}
CertProvisioningDeviceInvalidator::~CertProvisioningDeviceInvalidator() =
default;
void CertProvisioningDeviceInvalidator::Register(
const std::string& listener_type,
OnInvalidationEventCallback on_invalidation_event_callback) {
listener_type_ = listener_type;
CHECK(!listener_type_.empty());
on_invalidation_event_callback_ = std::move(on_invalidation_event_callback);
invalidation_handler_ =
std::make_unique<internal::CertProvisioningInvalidationHandler>(
invalidation_listener_, listener_type_,
on_invalidation_event_callback_);
}
} // namespace ash::cert_provisioning
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