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project64
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project64/Source/Project64/UserInterface/ProjectSupport.cpp

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9.5 KiB
C++
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#include "stdafx.h"
#include <Common/md5.h>
#include <Wininet.h>
#include <time.h>
#include <windows.h>
#pragma comment(lib, "Wininet.lib")
CProjectSupport::CProjectSupport() :
m_SupportInfo({0})
{
LoadSupportInfo();
}
bool CProjectSupport::RequestCode(const char * Email)
{
if (Email == nullptr || strlen(Email) == 0 || _stricmp(Email, "thank you from project64") == 0)
{
return false;
}
stdstr_f PostData("task=RequestCode&email=%s&machine=%s", Email, MachineID());
std::vector<std::string> Headers;
DWORD StatusCode;
if (!PerformRequest(L"/index.php?option=com_project64", PostData, StatusCode, Headers))
{
return false;
}
if (StatusCode == 200)
{
for (size_t i = 0, n = Headers.size(); i < n; i++)
{
if (strcmp(Headers[i].c_str(), "Email: Sent") == 0)
{
return true;
}
}
}
return false;
}
bool CProjectSupport::ValidateCode(const char * Code)
{
stdstr_f PostData("task=ValidateCode&code=%s&machine=%s", Code, MachineID());
std::vector<std::string> Headers;
DWORD StatusCode;
if (PerformRequest(L"/index.php?option=com_project64", PostData, StatusCode, Headers) && StatusCode == 200)
{
std::string Name, Email;
struct
{
const char * Key;
std::string & Value;
} Test[] = {
{"SupporterName: ", Name},
{"SupporterEmail: ", Email},
};
for (size_t i = 0, n = Headers.size(); i < n; i++)
{
for (size_t t = 0; t < sizeof(Test) / sizeof(Test[0]); t++)
{
size_t KeyLen = strlen(Test[t].Key);
if (strncmp(Headers[i].c_str(), Test[t].Key, KeyLen) == 0)
{
Test[t].Value = stdstr(&Headers[i][KeyLen]).Trim();
break;
}
}
}
if (Email.length() > 0)
{
strncpy(m_SupportInfo.Code, Code, sizeof(m_SupportInfo.Code));
strncpy(m_SupportInfo.Email, Email.c_str(), sizeof(m_SupportInfo.Email));
strncpy(m_SupportInfo.Name, Name.c_str(), sizeof(m_SupportInfo.Name));
m_SupportInfo.Validated = true;
SaveSupportInfo();
}
}
return m_SupportInfo.Validated;
}
std::string CProjectSupport::GenerateMachineID(void)
{
wchar_t ComputerName[256];
DWORD Length = sizeof(ComputerName) / sizeof(ComputerName[0]);
GetComputerName(ComputerName, &Length);
wchar_t SysPath[MAX_PATH] = {0}, VolumePath[MAX_PATH] = {0};
GetSystemDirectory(SysPath, sizeof(SysPath) / sizeof(SysPath[0]));
GetVolumePathName(SysPath, VolumePath, sizeof(VolumePath) / sizeof(VolumePath[0]));
DWORD SerialNumber = 0;
GetVolumeInformation(VolumePath, nullptr, NULL, &SerialNumber, nullptr, nullptr, nullptr, NULL);
wchar_t MachineGuid[200] = {0};
HKEY hKey;
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Cryptography", 0, KEY_QUERY_VALUE | KEY_WOW64_64KEY, &hKey) == ERROR_SUCCESS)
{
DWORD Type, dwDataSize = sizeof(MachineGuid);
RegQueryValueEx(hKey, L"MachineGuid", nullptr, &Type, (LPBYTE)MachineGuid, &dwDataSize);
RegCloseKey(hKey);
}
stdstr_f Machine("%s.%ud.%s", stdstr().FromUTF16(ComputerName).c_str(), SerialNumber, stdstr().FromUTF16(MachineGuid).c_str());
return std::string(MD5((const unsigned char *)Machine.c_str(), (uint32_t)((UINT_PTR)Machine.size())).hex_digest());
}
void CProjectSupport::IncrementRunCount()
{
time_t now = time(nullptr);
if (m_SupportInfo.LastUpdated <= now && ((now - m_SupportInfo.LastUpdated) / 60) < 60)
{
return;
}
m_SupportInfo.RunCount += 1;
m_SupportInfo.LastUpdated = now;
SaveSupportInfo();
}
bool CProjectSupport::ShowSupportWindow()
{
time_t now = time(nullptr);
if (m_SupportInfo.LastShown <= now && ((now - m_SupportInfo.LastShown) / 60) < 60)
{
return false;
}
m_SupportInfo.LastShown = now;
SaveSupportInfo();
return true;
}
bool CProjectSupport::PerformRequest(const wchar_t * Url, const std::string & PostData, DWORD & StatusCode, std::vector<std::string> & Headers)
{
StatusCode = 0;
Headers.clear();
HINTERNET hSession = InternetOpen(L"Project64", INTERNET_OPEN_TYPE_PRECONFIG, nullptr, nullptr, 0);
if (hSession == nullptr)
{
return false;
}
HINTERNET hConnect = InternetConnect(hSession, L"www.pj64-emu.com", INTERNET_DEFAULT_HTTPS_PORT, L"", L"", INTERNET_SERVICE_HTTP, 0, 0);
if (hConnect == nullptr)
{
return false;
}
LPCWSTR lpszAcceptTypes[] = {
L"text/*",
nullptr,
};
HINTERNET hRequest = HttpOpenRequest(hConnect, L"POST", Url, nullptr, nullptr, lpszAcceptTypes, INTERNET_FLAG_SECURE | INTERNET_FLAG_NO_AUTO_REDIRECT | INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_NO_CACHE_WRITE, (LPARAM)0);
if (hRequest == nullptr)
{
InternetCloseHandle(hRequest);
return false;
}
wchar_t hdheaders[] = _T("Content-Type: application/x-www-form-urlencoded\r\n");
BOOL Success = HttpSendRequest(hRequest, hdheaders, (uint32_t)((UINT_PTR)_tcslen(hdheaders)), (LPVOID)PostData.c_str(), (uint32_t)((UINT_PTR)PostData.length()));
if (!Success)
{
InternetCloseHandle(hRequest);
return false;
}
DWORD StatusCodeSize = sizeof(StatusCode);
if (!HttpQueryInfo(hRequest, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &StatusCode, &StatusCodeSize, nullptr))
{
InternetCloseHandle(hRequest);
return false;
}
DWORD dwSize = 0;
if (!HttpQueryInfo(hRequest, HTTP_QUERY_RAW_HEADERS_CRLF, nullptr, &dwSize, nullptr) && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
std::vector<uint8_t> RawHeaderData(dwSize);
if (!HttpQueryInfo(hRequest, HTTP_QUERY_RAW_HEADERS_CRLF, RawHeaderData.data(), &dwSize, nullptr))
{
InternetCloseHandle(hRequest);
return false;
}
strvector RawHeader = stdstr().FromUTF16((wchar_t *)RawHeaderData.data()).Tokenize("\n");
for (size_t i = 0, n = RawHeader.size(); i < n; i++)
{
RawHeader[i].Replace("\r", "");
RawHeader[i].Trim();
if (RawHeader[i].length() > 0)
{
Headers.push_back(RawHeader[i]);
}
}
}
return true;
}
void CProjectSupport::SaveSupportInfo(void)
{
std::string hash = MD5((const unsigned char *)&m_SupportInfo, sizeof(m_SupportInfo)).hex_digest();
std::vector<uint8_t> InData(sizeof(m_SupportInfo) + hash.length());
memcpy(InData.data(), (const unsigned char *)&m_SupportInfo, sizeof(m_SupportInfo));
memcpy(InData.data() + sizeof(m_SupportInfo), hash.data(), hash.length());
std::vector<uint8_t> OutData(InData.size());
z_stream defstream;
defstream.zalloc = Z_NULL;
defstream.zfree = Z_NULL;
defstream.opaque = Z_NULL;
defstream.avail_in = (uInt)InData.size();
defstream.next_in = (Bytef *)InData.data();
defstream.avail_out = (uInt)OutData.size();
defstream.next_out = (Bytef *)OutData.data();
deflateInit(&defstream, Z_BEST_COMPRESSION);
deflate(&defstream, Z_FINISH);
deflateEnd(&defstream);
OutData.resize(defstream.total_out);
for (size_t i = 0, n = OutData.size(); i < n; i++)
{
OutData[i] ^= 0xAA;
}
HKEY hKeyResults = 0;
DWORD Disposition = 0;
long lResult = RegCreateKeyEx(HKEY_CURRENT_USER, L"SOFTWARE\\Project64", 0, L"", REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, nullptr, &hKeyResults, &Disposition);
if (lResult == ERROR_SUCCESS)
{
RegSetValueEx(hKeyResults, L"user", 0, REG_BINARY, (BYTE *)OutData.data(), (uint32_t)((UINT_PTR)OutData.size()));
RegCloseKey(hKeyResults);
}
}
void CProjectSupport::LoadSupportInfo(void)
{
std::string MachineID = GenerateMachineID();
std::vector<uint8_t> InData;
HKEY hKeyResults = 0;
long lResult = RegOpenKeyEx(HKEY_CURRENT_USER, L"SOFTWARE\\Project64", 0, KEY_READ, &hKeyResults);
if (lResult == ERROR_SUCCESS)
{
DWORD DataSize = 0;
if (RegQueryValueEx(hKeyResults, L"user", nullptr, nullptr, nullptr, &DataSize) == ERROR_SUCCESS)
{
InData.resize(DataSize);
if (RegQueryValueEx(hKeyResults, L"user", nullptr, nullptr, InData.data(), &DataSize) != ERROR_SUCCESS)
{
InData.clear();
}
}
}
if (hKeyResults != nullptr)
{
RegCloseKey(hKeyResults);
hKeyResults = nullptr;
}
std::vector<uint8_t> OutData;
if (InData.size() > 0)
{
for (size_t i = 0, n = InData.size(); i < n; i++)
{
InData[i] ^= 0xAA;
}
OutData.resize(sizeof(m_SupportInfo) + 100);
uLongf DestLen = (uLongf)((UINT_PTR)OutData.size());
if (uncompress(OutData.data(), &DestLen, InData.data(), (uint32_t)((UINT_PTR)InData.size())) >= 0)
{
OutData.resize(DestLen);
}
else
{
OutData.clear();
}
}
if (OutData.size() == sizeof(SupportInfo) + 32)
{
SupportInfo * Info = (SupportInfo *)OutData.data();
const char * CurrentHash = (const char *)(OutData.data() + sizeof(SupportInfo));
std::string hash = MD5((const unsigned char *)Info, sizeof(SupportInfo)).hex_digest();
if (strcmp(hash.c_str(), CurrentHash) == 0 && strcmp(Info->MachineID, MachineID.c_str()) == 0)
{
memcpy(&m_SupportInfo, Info, sizeof(SupportInfo));
}
}
strcpy(m_SupportInfo.MachineID, MachineID.c_str());
}
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