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content / browser / webauth / virtual_fido_discovery_factory.cc [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/webauth/virtual_fido_discovery_factory.h"
#include <memory>
#include <utility>
#include <vector>
#include "build/build_config.h"
#include "content/browser/webauth/virtual_authenticator.h"
#include "content/browser/webauth/virtual_discovery.h"
#include "device/fido/fido_discovery_base.h"
namespace content {
VirtualFidoDiscoveryFactory::VirtualFidoDiscoveryFactory(
base::WeakPtr<VirtualAuthenticatorManagerImpl> authenticator_manager)
: weak_authenticator_manager_(authenticator_manager) {
DCHECK(weak_authenticator_manager_);
weak_authenticator_manager_->AddObserver(this);
}
VirtualFidoDiscoveryFactory::~VirtualFidoDiscoveryFactory() {
if (weak_authenticator_manager_) {
weak_authenticator_manager_->RemoveObserver(this);
}
}
std::vector<std::unique_ptr<::device::FidoDiscoveryBase>>
VirtualFidoDiscoveryFactory::Create(device::FidoTransportProtocol transport) {
auto discovery = std::make_unique<VirtualFidoDiscovery>(transport);
// The VirtualAuthenticatorManager may have gone away already at this point.
// The VirtualFidoDevices added into the discovery below hold a reference to a
// State shared with their VirtualAuthenticator. Since the state is
// ref-counted, they can tolerate the VirtualAuthenticator being freed along
// with the manager instance.
std::vector<VirtualAuthenticator*> authenticators;
if (weak_authenticator_manager_) {
authenticators = weak_authenticator_manager_->GetAuthenticators();
}
for (VirtualAuthenticator* authenticator : authenticators) {
if (discovery->transport() != authenticator->transport())
continue;
discovery->AddVirtualDevice(authenticator->ConstructDevice());
}
discoveries_.insert(discovery.get());
return SingleDiscovery(std::move(discovery));
}
void VirtualFidoDiscoveryFactory::AuthenticatorAdded(
VirtualAuthenticator* authenticator) {
for (VirtualFidoDiscovery* discovery : discoveries_) {
if (discovery->transport() == authenticator->transport()) {
discovery->AddVirtualDevice(authenticator->ConstructDevice());
}
}
}
void VirtualFidoDiscoveryFactory::AuthenticatorRemoved(
const std::string& authenticator_id) {
for (VirtualFidoDiscovery* discovery : discoveries_) {
discovery->RemoveVirtualDevice(authenticator_id);
}
}
bool VirtualFidoDiscoveryFactory::IsTestOverride() {
return true;
}
#if BUILDFLAG(IS_WIN)
std::unique_ptr<device::FidoDiscoveryBase>
VirtualFidoDiscoveryFactory::MaybeCreateWinWebAuthnApiDiscovery() {
return nullptr;
}
#endif
} // namespace content