From b012aa0dbb604a06afc4b3827068bf8b6d9e9735 Mon Sep 17 00:00:00 2001
From: LoRd_MuldeR <mulder2@gmx.de>
Date: Fri, 21 Nov 2014 19:58:36 +0100
Subject: [PATCH] Implemented the current_date() function.

---
 include/MUtils/OSSupport.h |  4 +++
 src/OSSupport_Win32.cpp    | 61 ++++++++++++++++++++++++++++++++++++++
 src/UpdateChecker.cpp      |  8 +++--
 3 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/include/MUtils/OSSupport.h b/include/MUtils/OSSupport.h
index 66e03cf..c7f0f84 100644
--- a/include/MUtils/OSSupport.h
+++ b/include/MUtils/OSSupport.h
@@ -22,6 +22,7 @@
 #pragma once
 
 #include <QString>
+#include <QDate>
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -42,6 +43,9 @@ namespace MUtils
 		//Get known Folder
 		const QString &known_folder(known_folder_t folder_id);
 
+		//Current Date
+		QDate current_date(void);
+
 		//Error handling
 		void fatal_exit(const char* const errorMessage);
 	}
diff --git a/src/OSSupport_Win32.cpp b/src/OSSupport_Win32.cpp
index 26bb5d6..0cd6a13 100644
--- a/src/OSSupport_Win32.cpp
+++ b/src/OSSupport_Win32.cpp
@@ -30,6 +30,7 @@
 #define WIN32_LEAN_AND_MEAN 1
 #include <Windows.h>
 #include <Objbase.h>
+#include <Psapi.h>
 
 //Qt
 #include <QMap>
@@ -158,6 +159,66 @@ const QString &MUtils::OS::known_folder(known_folder_t folder_id)
 	return g_known_folders_map->operator[](folderId);
 }
 
+///////////////////////////////////////////////////////////////////////////////
+// CURRENT DATA (SAFE)
+///////////////////////////////////////////////////////////////////////////////
+
+QDate MUtils::OS::current_date(void)
+{
+	const DWORD MAX_PROC = 1024;
+	QScopedArrayPointer<DWORD> processes(new DWORD[MAX_PROC]);
+	DWORD bytesReturned = 0;
+	
+	if(!EnumProcesses(processes.data(), sizeof(DWORD) * MAX_PROC, &bytesReturned))
+	{
+		return QDate::currentDate();
+	}
+
+	const DWORD procCount = bytesReturned / sizeof(DWORD);
+	ULARGE_INTEGER lastStartTime;
+	memset(&lastStartTime, 0, sizeof(ULARGE_INTEGER));
+
+	for(DWORD i = 0; i < procCount; i++)
+	{
+		if(HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, processes[i]))
+		{
+			FILETIME processTime[4];
+			if(GetProcessTimes(hProc, &processTime[0], &processTime[1], &processTime[2], &processTime[3]))
+			{
+				ULARGE_INTEGER timeCreation;
+				timeCreation.LowPart  = processTime[0].dwLowDateTime;
+				timeCreation.HighPart = processTime[0].dwHighDateTime;
+				if(timeCreation.QuadPart > lastStartTime.QuadPart)
+				{
+					lastStartTime.QuadPart = timeCreation.QuadPart;
+				}
+			}
+			CloseHandle(hProc);
+		}
+	}
+	
+	FILETIME lastStartTime_fileTime;
+	lastStartTime_fileTime.dwHighDateTime = lastStartTime.HighPart;
+	lastStartTime_fileTime.dwLowDateTime  = lastStartTime.LowPart;
+
+	FILETIME lastStartTime_localTime;
+	if(!FileTimeToLocalFileTime(&lastStartTime_fileTime, &lastStartTime_localTime))
+	{
+		memcpy(&lastStartTime_localTime, &lastStartTime_fileTime, sizeof(FILETIME));
+	}
+	
+	SYSTEMTIME lastStartTime_system;
+	if(!FileTimeToSystemTime(&lastStartTime_localTime, &lastStartTime_system))
+	{
+		memset(&lastStartTime_system, 0, sizeof(SYSTEMTIME));
+		lastStartTime_system.wYear = 1970; lastStartTime_system.wMonth = lastStartTime_system.wDay = 1;
+	}
+
+	const QDate currentDate = QDate::currentDate();
+	const QDate processDate = QDate(lastStartTime_system.wYear, lastStartTime_system.wMonth, lastStartTime_system.wDay);
+	return (currentDate >= processDate) ? currentDate : processDate;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // FATAL EXIT
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/UpdateChecker.cpp b/src/UpdateChecker.cpp
index ab6c11c..cff804f 100644
--- a/src/UpdateChecker.cpp
+++ b/src/UpdateChecker.cpp
@@ -688,20 +688,22 @@ bool UpdateChecker::parseVersionInfo(const QString &file, UpdateCheckerInfo *upd
 			}
 		}
 	}
-	
+
 	if(!updateInfoDate.isValid())
 	{
 		updateInfo->resetInfo();
 		log("WARNING: Version info timestamp is missing!");
 		return false;
 	}
-	else if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < current_date_safe())
+	
+	const QDate currentDate = OS::current_date();
+	if(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS) < currentDate)
 	{
 		updateInfo->resetInfo();
 		log(QString::fromLatin1("WARNING: This version info has expired at %1!").arg(updateInfoDate.addMonths(VERSION_INFO_EXPIRES_MONTHS).toString(Qt::ISODate)));
 		return false;
 	}
-	else if(current_date_safe() < updateInfoDate)
+	else if(currentDate < updateInfoDate)
 	{
 		log("Version info is from the future, take care!");
 		qWarning("Version info is from the future, take care!");