forked from dolphin-emu/dolphin
128 lines
2.6 KiB
C++
128 lines
2.6 KiB
C++
// Copyright 2012 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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// Thanks to Treeki for writing the original class - 29/01/2012
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#include <cstddef>
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#include <cstdio>
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#include <cstring>
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#include <ctime>
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#include <string>
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#include <sys/timeb.h>
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#include "Common/CommonFuncs.h" // snprintf
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#endif
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#include "Common/CommonTypes.h"
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#include "Common/SettingsHandler.h"
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#include "Common/Timer.h"
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SettingsHandler::SettingsHandler()
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{
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Reset();
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}
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const u8* SettingsHandler::GetData() const
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{
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return m_buffer;
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}
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const std::string SettingsHandler::GetValue(const std::string& key)
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{
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std::string delim = std::string("\r\n");
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std::string toFind = delim + key + "=";
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size_t found = decoded.find(toFind);
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if (found != decoded.npos)
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{
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size_t delimFound = decoded.find(delim, found + toFind.length());
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if (delimFound == decoded.npos)
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delimFound = decoded.length() - 1;
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return decoded.substr(found + toFind.length(), delimFound - (found + toFind.length()));
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}
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else
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{
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toFind = key + "=";
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found = decoded.find(toFind);
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if (found == 0)
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{
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size_t delimFound = decoded.find(delim, found + toFind.length());
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if (delimFound == decoded.npos)
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delimFound = decoded.length() - 1;
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return decoded.substr(found + toFind.length(), delimFound - (found + toFind.length()));
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}
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}
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return "";
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}
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void SettingsHandler::Decrypt()
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{
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const u8* str = m_buffer;
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while (*str != 0)
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{
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if (m_position >= SETTINGS_SIZE)
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return;
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decoded.push_back((u8)(m_buffer[m_position] ^ m_key));
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m_position++;
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str++;
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m_key = (m_key >> 31) | (m_key << 1);
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}
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}
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void SettingsHandler::Reset()
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{
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decoded = "";
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m_position = 0;
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m_key = INITIAL_SEED;
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memset(m_buffer, 0, SETTINGS_SIZE);
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}
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void SettingsHandler::AddSetting(const std::string& key, const std::string& value)
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{
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for (const char& c : key)
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{
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WriteByte(c);
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}
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WriteByte('=');
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for (const char& c : value)
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{
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WriteByte(c);
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}
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WriteByte(13);
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WriteByte(10);
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}
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void SettingsHandler::WriteByte(u8 b)
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{
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if (m_position >= SETTINGS_SIZE)
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return;
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m_buffer[m_position] = b ^ m_key;
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m_position++;
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m_key = (m_key >> 31) | (m_key << 1);
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}
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const std::string SettingsHandler::generateSerialNumber()
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{
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time_t rawtime;
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tm* timeinfo;
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char buffer[12];
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char serialNumber[12];
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time(&rawtime);
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timeinfo = localtime(&rawtime);
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strftime(buffer, 11, "%j%H%M%S", timeinfo);
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snprintf(serialNumber, 11, "%s%i", buffer, (Common::Timer::GetTimeMs() >> 1) & 0xF);
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serialNumber[10] = 0;
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return std::string(serialNumber);
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}
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