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// Copyright 2025 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/device_signals/core/common/platform_utils.h"
#include <algorithm>
#include <optional>
#include <string>
#include <vector>
#include "base/strings/string_util.h"
#include "components/policy/core/common/cloud/cloud_policy_util.h"
namespace device_signals {
namespace {
void NormalizeMacAddresses(std::vector<std::string>& mac_addresses) {
mac_addresses.erase(std::remove_if(mac_addresses.begin(), mac_addresses.end(),
[](const std::string& s) {
return base::TrimWhitespaceASCII(
s,
base::TrimPositions::TRIM_ALL)
.empty();
}),
mac_addresses.end());
std::sort(mac_addresses.begin(), mac_addresses.end());
mac_addresses.erase(std::unique(mac_addresses.begin(), mac_addresses.end()),
mac_addresses.end());
}
std::optional<std::vector<std::string>>& GetMacAddressesForTestingStorage() {
static std::optional<std::vector<std::string>> storage;
return storage;
}
} // namespace
std::string GetOsName() {
return policy::GetOSPlatform();
}
std::string GetOsVersion() {
return policy::GetOSVersion();
}
std::vector<std::string> GetMacAddresses() {
std::vector<std::string> mac_addresses;
const auto& test_addresses = GetMacAddressesForTestingStorage();
if (test_addresses.has_value()) {
mac_addresses = test_addresses.value();
} else {
mac_addresses = internal::GetMacAddressesImpl();
}
NormalizeMacAddresses(mac_addresses);
return mac_addresses;
}
namespace internal {
void SetMacAddressesForTesting(const std::vector<std::string>& mac_addresses) {
GetMacAddressesForTestingStorage().emplace(mac_addresses);
}
void ClearMacAddressesForTesting() {
GetMacAddressesForTestingStorage().reset();
}
} // namespace internal
} // namespace device_signals
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