mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
327 lines
10 KiB
C++
327 lines
10 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/platform/implementation/windows/utils.h"
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#include <windows.h>
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// Standard C/C++ headers
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#include <codecvt>
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#include <cstdint>
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#include <exception>
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#include <stdexcept>
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#include <string>
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#include <vector>
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// Third party headers
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#include "absl/strings/ascii.h"
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#include "absl/strings/str_cat.h"
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#include "absl/strings/str_format.h"
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// Nearby connections headers
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#include "absl/strings/string_view.h"
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#include "internal/platform/bluetooth_utils.h"
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#include "internal/platform/byte_array.h"
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#include "internal/platform/implementation/crypto.h"
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#include "internal/platform/logging.h"
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#include "internal/platform/uuid.h"
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#include "winrt/Windows.Foundation.Collections.h"
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#include "winrt/Windows.Networking.Connectivity.h"
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#include "winrt/base.h"
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namespace nearby {
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namespace windows {
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namespace {
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using ::winrt::Windows::Networking::HostNameType;
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using ::winrt::Windows::Networking::Connectivity::NetworkAdapter;
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using ::winrt::Windows::Networking::Connectivity::NetworkInformation;
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} // namespace
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std::string uint64_to_mac_address_string(uint64_t bluetoothAddress) {
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std::string buffer = absl::StrFormat(
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"%02llx:%02llx:%02llx:%02llx:%02llx:%02llx", bluetoothAddress >> 40,
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(bluetoothAddress >> 32) & 0xff, (bluetoothAddress >> 24) & 0xff,
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(bluetoothAddress >> 16) & 0xff, (bluetoothAddress >> 8) & 0xff,
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bluetoothAddress & 0xff);
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return absl::AsciiStrToUpper(buffer);
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}
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uint64_t mac_address_string_to_uint64(absl::string_view mac_address) {
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ByteArray mac_address_array = BluetoothUtils::FromString(mac_address);
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uint64_t mac_address_uint64 = 0;
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for (int i = 0; i < mac_address_array.size(); i++) {
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mac_address_uint64 <<= 8;
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mac_address_uint64 |= static_cast<uint8_t>(
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static_cast<unsigned char>(*(mac_address_array.data() + i)));
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}
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return mac_address_uint64;
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}
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std::string ipaddr_4bytes_to_dotdecimal_string(
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absl::string_view ipaddr_4bytes) {
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in_addr address;
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address.S_un.S_un_b.s_b1 = ipaddr_4bytes[0];
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address.S_un.S_un_b.s_b2 = ipaddr_4bytes[1];
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address.S_un.S_un_b.s_b3 = ipaddr_4bytes[2];
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address.S_un.S_un_b.s_b4 = ipaddr_4bytes[3];
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char* ipv4_address = inet_ntoa(address);
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if (ipv4_address == nullptr) {
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return {};
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}
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return std::string(ipv4_address);
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}
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std::string ipaddr_dotdecimal_to_4bytes_string(std::string ipv4_s) {
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if (ipv4_s.empty()) {
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return {};
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}
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in_addr address;
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address.S_un.S_addr = inet_addr(ipv4_s.c_str());
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char ipv4_b[5];
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ipv4_b[0] = address.S_un.S_un_b.s_b1;
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ipv4_b[1] = address.S_un.S_un_b.s_b2;
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ipv4_b[2] = address.S_un.S_un_b.s_b3;
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ipv4_b[3] = address.S_un.S_un_b.s_b4;
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ipv4_b[4] = 0;
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return std::string(ipv4_b, 4);
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}
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std::wstring string_to_wstring(std::string str) {
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std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
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return converter.from_bytes(str);
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}
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std::string wstring_to_string(std::wstring wstr) {
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std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
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return converter.to_bytes(wstr);
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}
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std::vector<std::string> GetIpv4Addresses() {
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std::vector<std::string> result;
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std::vector<std::string> wifi_addresses;
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std::vector<std::string> ethernet_addresses;
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std::vector<std::string> other_addresses;
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try {
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auto host_names = NetworkInformation::GetHostNames();
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for (const auto& host_name : host_names) {
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if (host_name.IPInformation() != nullptr &&
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host_name.IPInformation().NetworkAdapter() != nullptr &&
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host_name.Type() == HostNameType::Ipv4) {
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NetworkAdapter adapter = host_name.IPInformation().NetworkAdapter();
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if (adapter.IanaInterfaceType() == Constants::kInterfaceTypeWifi) {
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wifi_addresses.push_back(winrt::to_string(host_name.ToString()));
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} else if (adapter.IanaInterfaceType() ==
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Constants::kInterfaceTypeEthernet) {
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ethernet_addresses.push_back(winrt::to_string(host_name.ToString()));
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} else {
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other_addresses.push_back(winrt::to_string(host_name.ToString()));
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}
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}
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}
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} catch (std::exception exception) {
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NEARBY_LOGS(ERROR) << __func__
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<< ": Cannot get IPv4 addresses. Exception : "
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<< exception.what();
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} catch (const winrt::hresult_error& error) {
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NEARBY_LOGS(ERROR) << __func__
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<< ": Cannot get IPv4 addresses. WinRT exception: "
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<< error.code() << ": "
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<< winrt::to_string(error.message());
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} catch (...) {
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NEARBY_LOGS(ERROR) << __func__ << ": Unknown exeption.";
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}
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result.insert(result.end(), wifi_addresses.begin(), wifi_addresses.end());
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result.insert(result.end(), ethernet_addresses.begin(),
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ethernet_addresses.end());
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result.insert(result.end(), other_addresses.begin(), other_addresses.end());
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return result;
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}
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std::vector<std::string> Get4BytesIpv4Addresses() {
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std::vector<std::string> result;
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std::vector<std::string> ipv4_addresses = GetIpv4Addresses();
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for (const auto& ipv4_address : ipv4_addresses) {
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// Converts IP address from x.x.x.x to 4 bytes format.
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in_addr address;
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address.S_un.S_addr = inet_addr(ipv4_address.c_str());
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std::string ipv4_4bytes_address;
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ipv4_4bytes_address.resize(4);
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ipv4_4bytes_address[0] = address.S_un.S_un_b.s_b1;
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ipv4_4bytes_address[1] = address.S_un.S_un_b.s_b2;
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ipv4_4bytes_address[2] = address.S_un.S_un_b.s_b3;
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ipv4_4bytes_address[3] = address.S_un.S_un_b.s_b4;
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result.push_back(ipv4_4bytes_address);
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}
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return result;
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}
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Uuid winrt_guid_to_nearby_uuid(const ::winrt::guid& guid) {
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int64_t data1 = guid.Data1;
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int64_t data2 = guid.Data2;
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int64_t data3 = guid.Data3;
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int64_t msb = ((data1 >> 24) & 0xff) << 56 | ((data1 >> 16) & 0xff) << 48 |
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((data1 >> 8) & 0xff) << 40 | ((data1)&0xff) << 32 |
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((data2 >> 8) & 0xff) << 24 | ((data2)&0xff) << 16 |
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((data3 >> 8) & 0xff) << 8 | (data3 & 0xff);
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int64_t lsb =
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((int64_t)guid.Data4[0]) << 56 | ((int64_t)guid.Data4[1]) << 48 |
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((int64_t)guid.Data4[2]) << 40 | ((int64_t)guid.Data4[3]) << 32 |
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((int64_t)guid.Data4[4]) << 24 | ((int64_t)guid.Data4[5]) << 16 |
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((int64_t)guid.Data4[6]) << 8 | (int64_t)guid.Data4[7];
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return Uuid(msb, lsb);
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}
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winrt::guid nearby_uuid_to_winrt_guid(Uuid uuid) {
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winrt::guid guid;
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uint64_t msb = uuid.GetMostSigBits();
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guid.Data1 = ((msb >> 56) & 0xff) << 24 | ((msb >> 48) & 0xff) << 16 |
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((msb >> 40) & 0xff) << 8 | ((msb >> 32) & 0xff);
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guid.Data2 = ((msb >> 24) & 0xff) << 8 | ((msb >> 16) & 0xff);
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guid.Data3 = ((msb >> 8) & 0xff) << 8 | (msb & 0xff);
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uint64_t lsb = uuid.GetLeastSigBits();
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guid.Data4[0] = (lsb >> 56) & 0xff;
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guid.Data4[1] = (lsb >> 48) & 0xff;
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guid.Data4[2] = (lsb >> 40) & 0xff;
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guid.Data4[3] = (lsb >> 32) & 0xff;
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guid.Data4[4] = (lsb >> 24) & 0xff;
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guid.Data4[5] = (lsb >> 16) & 0xff;
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guid.Data4[6] = (lsb >> 8) & 0xff;
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guid.Data4[7] = lsb & 0xff;
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return guid;
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}
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bool is_nearby_uuid_equal_to_winrt_guid(const Uuid& uuid,
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const ::winrt::guid& guid) {
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return uuid == winrt_guid_to_nearby_uuid(guid);
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}
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ByteArray Sha256(absl::string_view input, size_t size) {
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ByteArray hash = nearby::Crypto::Sha256(input);
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return ByteArray{hash.data(), size};
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}
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bool InspectableReader::ReadBoolean(IInspectable inspectable) {
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if (inspectable == nullptr) {
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return false;
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}
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auto property_value =
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inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
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if (property_value == nullptr) {
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throw std::invalid_argument("no property value interface.");
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}
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if (property_value.Type() !=
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winrt::Windows::Foundation::PropertyType::Boolean) {
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throw std::invalid_argument("not uin16 data type.");
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}
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return property_value.GetBoolean();
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}
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uint16 InspectableReader::ReadUint16(IInspectable inspectable) {
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if (inspectable == nullptr) {
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return 0;
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}
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auto property_value =
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inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
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if (property_value == nullptr) {
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throw std::invalid_argument("no property value interface.");
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}
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if (property_value.Type() !=
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winrt::Windows::Foundation::PropertyType::UInt16) {
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throw std::invalid_argument("not uin16 data type.");
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}
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return property_value.GetUInt16();
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}
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uint32 InspectableReader::ReadUint32(IInspectable inspectable) {
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if (inspectable == nullptr) {
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return 0;
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}
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auto property_value =
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inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
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if (property_value == nullptr) {
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throw std::invalid_argument("no property value interface.");
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}
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if (property_value.Type() !=
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winrt::Windows::Foundation::PropertyType::UInt32) {
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throw std::invalid_argument("not uin32 data type.");
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}
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return property_value.GetUInt32();
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}
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std::string InspectableReader::ReadString(IInspectable inspectable) {
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if (inspectable == nullptr) {
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return "";
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}
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auto property_value =
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inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
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if (property_value == nullptr) {
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throw std::invalid_argument("no property value interface.");
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}
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if (property_value.Type() !=
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winrt::Windows::Foundation::PropertyType::String) {
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throw std::invalid_argument("not string data type.");
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}
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return wstring_to_string(property_value.GetString().c_str());
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}
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std::vector<std::string> InspectableReader::ReadStringArray(
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IInspectable inspectable) {
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std::vector<std::string> result;
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if (inspectable == nullptr) {
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return result;
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}
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auto property_value =
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inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
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if (property_value == nullptr) {
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throw std::invalid_argument("no property value interface.");
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}
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if (property_value.Type() !=
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winrt::Windows::Foundation::PropertyType::StringArray) {
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throw std::invalid_argument("not string array data type.");
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}
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winrt::com_array<winrt::hstring> strings;
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property_value.GetStringArray(strings);
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for (winrt::hstring str : strings) {
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result.push_back(winrt::to_string(str));
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}
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return result;
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}
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} // namespace windows
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} // namespace nearby
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