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/*=========================================================================
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.kitware.com/VolViewCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkVVMD5FileAuthenticator.h"
#include "vtkObjectFactory.h"
#include "vtkVVFileInstance.h"
#include "vtkKWDataTransfer.h"
#include "vtkKWCacheManager.h"
#include "vtkKWRemoteIOManager.h"
#include "vtkVVApplication.h"
#include "vtkKWMessageDialog.h"
#include "vtkKWInternationalization.h"
#include <vtksys/ios/sstream>
#include "vtkKWWidgetsProConfigure.h" // Needed for KWWidgetsPro_USE_LICENSE
#ifdef KWWidgetsPro_USE_LICENSE
#include "vtkKWRSA.h"
#include "vtkKWRegistrationWizard.h"
#endif
//---------------------------------------------------------------------------
vtkStandardNewMacro(vtkVVMD5FileAuthenticator);
vtkCxxRevisionMacro(vtkVVMD5FileAuthenticator, "$Revision: 1.10 $");
//----------------------------------------------------------------------------
vtkVVMD5FileAuthenticator::vtkVVMD5FileAuthenticator()
{
}
//----------------------------------------------------------------------------
vtkVVMD5FileAuthenticator::~vtkVVMD5FileAuthenticator()
{
}
//----------------------------------------------------------------------------
int vtkVVMD5FileAuthenticator::AuthenticateFile( const char * f )
{
#ifdef KWWidgetsPro_USE_LICENSE
vtkVVApplication * vvapp
= vtkVVApplication::SafeDownCast(this->GetApplication());
vtkKWRegistrationWizard *registration = vvapp->GetRegistrationWizard();
// The Authentication check is enfored only in Limited edition mode.
// In Trial mode, let the user load any file.
// In Full mode, he paid us :). Let him load everything.
if (registration->GetSupportLimitedEditionMode() &&
registration->InLimitedEditionMode())
{
// If the Application is in
vtkstd::string key, line;
vtksys_stl::string msg;
// Sanity check. Make sure the file exists.
if ( !vtksys::SystemTools::FileExists( f ))
{
return 0;
}
// Look for a license file in the path now.
// The license file must be found in the same directory.
vtkstd::string licenseFile =
vtksys::SystemTools::GetFilenamePath(f) + "/.midas.key";
// Sanity check. Make sure the license file exists.
if ( !vtksys::SystemTools::FileExists( licenseFile.c_str() ))
{
char msgs[1024];
sprintf( msgs,
k_("This application is running in %s mode. In this mode, you can only load datasets from the %s data server. You must purchase and register a full edition to avail of this functionality. You can do so by going to the Help->Register dialog."), vvapp->GetLimitedEditionModeName(), vvapp->GetName());
msg += msgs;
msg += "\n\n";
msg += k_("The following license file was not found. Authentication failed.");
msg += "\n";
msg += licenseFile;
this->SetReasonString(msg.c_str());
vtkKWMessageDialog::PopupMessage(
this->GetApplication(), NULL, "Authentication Error", msg.c_str(),
vtkKWMessageDialog::ErrorIcon);
return 0;
}
vtksys_ios::ostringstream os;
// A typical key file looks like this:
// CTNeck.vti:JPqqY4PrCzuWLYqI1BY8VimbwXtTS+v+RTtg3bvbaCUWX/PmfCdgxxR83v/PpvRn5bmYCVGYzV0DvXVrsQYw2hCGMAu39BF3C0qrJDAEJpfEKChSOP37ZG09WoqRmRhvIkAr0ZDczaa+DCNn7PL5NcQAas1IYvpR98GOkiL+DIU=
// CTNeck.vti.vvi:SY4A+OtEc/sNUVOPbxm3zovbdIFzk8dk31ozuy5PJhT43OkxnN/JksEQeW1XH2pS4s3KydKh1RasIeiOyJplTq1oxg731/TweDEL0hbHDbGVhTSqUKqYTuCZfF7/0OxHoy8IusO5kloeq5baOjeI4/UQUhULxnAju7kAn6TLg6g=
// Case002.osa:UxBurvjhC8nywqfarNOyIQKd1s8JwEiVBxzkhv3Iw44LVuqRo7zPhgemzG2XnRypwY0/6eH3aqW4WsI5Elv1hytTrtPB52zDdmte4ui3cRYL30lZ3bKJw/puf8C1N5nukjg/FsFBwzZkvhStBszilzt2STY0i5yI1UB4C5FGNGg=
//
// We need to parse each line, check if the first part is the filename
// "f" and if so, get that key. Then we will decrypt it with the public
// key and check if the MD5 of the file matches it.
vtkstd::string filename = vtksys::SystemTools::GetFilenameName(f);
std::ifstream licenseFileStream(licenseFile.c_str());
if (licenseFileStream.is_open())
{
vtkstd::string searchstring = filename + ":";
while (!licenseFileStream.eof())
{
// Get each line in the license stream. One of these lines contains
// the key for this file.
getline(licenseFileStream, line);
if (line.length())
{
// If the search string is found right at the beginning.
if (line.find(searchstring) == 0)
{
// We found the key.
key = line.substr(searchstring.length());
#ifdef KWWidgetsPro_USE_LICENSE
if (vtkKWRSA::VerifyMD5OfFile( f, key, this->GetPublicKey() ))
{
return 1;
}
else
#endif
{
os << "Failed to authenticate " << filename
<< ". The key file appears to be corrupt" << std::ends;
this->SetReasonString(os.str().c_str());
vtkKWMessageDialog::PopupMessage(
this->GetApplication(), NULL, "Authentication Error", os.str().c_str(),
vtkKWMessageDialog::ErrorIcon);
return 0;
}
}
}
}
}
os << "Authentication of " << filename
<< " failed. Could not find corresponding key in "
<< licenseFile << std::ends;
this->SetReasonString(os.str().c_str());
vtkKWMessageDialog::PopupMessage(
this->GetApplication(), NULL, "Authentication Error", os.str().c_str(),
vtkKWMessageDialog::ErrorIcon);
return 0;
}
#endif
return 1;
}
//----------------------------------------------------------------------------
void vtkVVMD5FileAuthenticator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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