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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "crypto/user_verifying_key.h"
#include "base/check.h"
namespace crypto {
namespace {
std::unique_ptr<UserVerifyingKeyProvider> (*g_mock_provider)() = nullptr;
} // namespace
UserVerifyingKeyProvider::Config::Config() = default;
UserVerifyingKeyProvider::Config::Config(Config&& config) = default;
UserVerifyingKeyProvider::Config& UserVerifyingKeyProvider::Config::operator=(
Config&& config) = default;
UserVerifyingKeyProvider::Config::~Config() = default;
UserVerifyingSigningKey::~UserVerifyingSigningKey() = default;
bool UserVerifyingSigningKey::IsHardwareBacked() const {
return false;
}
UserVerifyingKeyProvider::~UserVerifyingKeyProvider() = default;
RefCountedUserVerifyingSigningKey::RefCountedUserVerifyingSigningKey(
std::unique_ptr<crypto::UserVerifyingSigningKey> key)
: key_(std::move(key)) {
CHECK(key_);
}
RefCountedUserVerifyingSigningKey::~RefCountedUserVerifyingSigningKey() =
default;
#if BUILDFLAG(IS_WIN)
std::unique_ptr<UserVerifyingKeyProvider> GetUserVerifyingKeyProviderWin();
void IsKeyCredentialManagerAvailable(base::OnceCallback<void(bool)> callback);
#endif
#if BUILDFLAG(IS_MAC)
std::unique_ptr<UserVerifyingKeyProvider> GetUserVerifyingKeyProviderMac(
UserVerifyingKeyProvider::Config config);
void AreMacUnexportableKeysAvailable(UserVerifyingKeyProvider::Config config,
base::OnceCallback<void(bool)> callback);
#endif
std::unique_ptr<UserVerifyingKeyProvider> GetUserVerifyingKeyProvider(
UserVerifyingKeyProvider::Config config) {
if (g_mock_provider) {
return g_mock_provider();
}
#if BUILDFLAG(IS_WIN)
return GetUserVerifyingKeyProviderWin();
#elif BUILDFLAG(IS_MAC)
return GetUserVerifyingKeyProviderMac(std::move(config));
#else
return nullptr;
#endif
}
void AreUserVerifyingKeysSupported(UserVerifyingKeyProvider::Config config,
base::OnceCallback<void(bool)> callback) {
if (g_mock_provider) {
std::move(callback).Run(g_mock_provider() != nullptr);
return;
}
#if BUILDFLAG(IS_WIN)
IsKeyCredentialManagerAvailable(std::move(callback));
#elif BUILDFLAG(IS_MAC)
AreMacUnexportableKeysAvailable(std::move(config), std::move(callback));
#else
std::move(callback).Run(false);
#endif
}
namespace internal {
void SetUserVerifyingKeyProviderForTesting(
std::unique_ptr<UserVerifyingKeyProvider> (*func)()) {
if (g_mock_provider) {
// Prevent nesting of scoped providers.
CHECK(!func);
g_mock_provider = nullptr;
} else {
g_mock_provider = func;
}
}
} // namespace internal
} // namespace crypto
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