/*************************************************************************** *   Copyright (C) 2005-2006 by Tarek Saidi                                * *   tarek@linux                                                           * *                                                                         * *   This program is free software; you can redistribute it and/or modify  * *   it under the terms of the GNU General Public License as published by  * *   the Free Software Foundation; either version 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * *   This program is distributed in the hope that it will be useful,       * *   but WITHOUT ANY WARRANTY; without even the implied warranty of        * *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         * *   GNU General Public License for more details.                          * *                                                                         * *   You should have received a copy of the GNU General Public License     * *   along with this program; if not, write to the                         * *   Free Software Foundation, Inc.,                                       * *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * ***************************************************************************/#include "main.h"#include "PwmConfig.h"#include "PasswordDlg.h"#include <QFileDialog>#include <QDir>#include <QStringList>#include <QCheckBox>#include <QLineEdit>#include <QComboBox>#include <QPushButton>#include <QMessageBox>CPasswordDialog::CPasswordDialog(QWidget* parent,  bool modal, bool ShowExitButton,bool ChangeKeyMode, Qt::WFlags fl): QDialog(parent,fl){setupUi(this);createBanner(Banner,Icon_Key32x32,tr("Database Key"));QDir media(config.MountDir);if(media.exists()){	QStringList Paths;	Paths=media.entryList(QStringList()<<"*",QDir::Dirs);	Paths.erase(Paths.begin()); // delete "."	Paths.erase(Paths.begin()); // delete ".."	for(int i=0;i<Paths.count();i++)		Combo_Dirs->addItem(config.MountDir+Paths[i]);}Combo_Dirs->setEditText(QString());if(config.RememberLastKey && !ChangeKeyMode){	switch(config.LastKeyType){		//case PASSWORD:	setStatePasswordOnly(); break; //Password-Only is already the default		case KEYFILE:	setStateKeyFileOnly();						Combo_Dirs->setEditText(config.LastKeyLocation);						break;		case BOTH:		setStateBoth();						CheckBox_Both->setChecked(true);						Combo_Dirs->setEditText(config.LastKeyLocation);						break;	}}connect( Combo_Dirs, SIGNAL( editTextChanged(const QString&) ),this, SLOT( OnComboTextChanged(const QString&)));connect( ButtonCancel, SIGNAL( clicked() ), this, SLOT( OnCancel() ) );connect( Edit_Password, SIGNAL( textChanged(const QString&) ), this, SLOT( OnPasswordChanged(const QString&) ) );connect( CheckBox_Both, SIGNAL( stateChanged(int) ), this, SLOT( OnCheckBox_BothChanged(int) ) );connect( ButtonChangeEchoMode, SIGNAL( clicked() ), this, SLOT( ChangeEchoMode() ) );connect( Edit_Password, SIGNAL( returnPressed() ), this, SLOT( OnOK() ) );connect( Edit_PasswordRep, SIGNAL( returnPressed() ), this, SLOT( OnOK() ) );connect( ButtonExit, SIGNAL( clicked()),this,SLOT(OnButtonExit()));ButtonExit->setVisible(ShowExitButton);Mode_Set=ChangeKeyMode;if(!ChangeKeyMode){	Edit_PasswordRep->hide();	Label_PasswordRep->hide();	connect( ButtonOK, SIGNAL( clicked() ), this, SLOT( OnOK() ) );	connect( ButtonBrowse, SIGNAL( clicked() ), this, SLOT( OnButtonBrowse() ) );}else{	connect( ButtonOK, SIGNAL( clicked() ), this, SLOT( OnOK_Set() ) );	connect( ButtonBrowse, SIGNAL( clicked() ), this, SLOT( OnButtonBrowse_Set() ) );}if(!config.ShowPasswords)ChangeEchoMode();}void CPasswordDialog::setStatePasswordOnly(){Combo_Dirs->setEnabled(false);ButtonBrowse->setEnabled(false);Label_KeyFile->setEnabled(false);Label_Password->setEnabled(true);Edit_Password->setEnabled(true);Edit_PasswordRep->setEnabled(true);ButtonChangeEchoMode->setEnabled(true);KeyType=PASSWORD;}void CPasswordDialog::setStateKeyFileOnly(){Combo_Dirs->setEnabled(true);ButtonBrowse->setEnabled(true);Label_KeyFile->setEnabled(true);Label_Password->setEnabled(false);Edit_Password->setEnabled(false);Edit_PasswordRep->setEnabled(false);ButtonChangeEchoMode->setEnabled(false);KeyType=KEYFILE;}void CPasswordDialog::setStateBoth(){Combo_Dirs->setEnabled(true);ButtonBrowse->setEnabled(true);Label_KeyFile->setEnabled(true);Label_Password->setEnabled(true);Edit_Password->setEnabled(true);Edit_PasswordRep->setEnabled(true);ButtonChangeEchoMode->setEnabled(true);KeyType=BOTH;}void CPasswordDialog::OnButtonBrowse(){QString filename=QFileDialog::getOpenFileName(this,tr("Select a Key File"),QDir::homePath(),tr("*.key"));if(filename=="")return;QFile file(filename);if(file.exists()){	Combo_Dirs->setEditText(filename);	return;}QMessageBox::warning(this,tr("Error"),tr("Unexpected Error: File does not exist."),tr("OK"),"","",0,0);}void CPasswordDialog::OnButtonBrowse_Set(){QString filename=QFileDialog::getSaveFileName(this,tr("Select a Key File"),QDir::homePath(),tr("*.key"));if(filename=="")return;Combo_Dirs->setEditText(filename);}void CPasswordDialog::OnCancel(){done(0);}void CPasswordDialog::OnOK(){password=Edit_Password->text();keyfile=Combo_Dirs->currentText();if(password=="" && keyfile==""){	QMessageBox::warning(this,tr("Error"),tr("Please enter a Password or select a key file."),tr("OK"),"","",0,0);	return;}if(KeyType==BOTH){	if(password==""){		QMessageBox::warning(this,tr("Error"),tr("Please enter a Password."),tr("OK"),"","",0,0);		return;}	if(keyfile==""){		QMessageBox::warning(this,tr("Error"),tr("Please choose a key file."),tr("OK"),"","",0,0);		return;}}if(KeyType==BOTH || KeyType==KEYFILE){	QFileInfo fileinfo(keyfile);	if(!fileinfo.exists()){		QMessageBox::warning(this,tr("Error"),tr("The selected key file or directory does not exist."),tr("OK"),"","",0,0);		return;	}	if(!fileinfo.isReadable()){		QMessageBox::warning(this,tr("Error"),tr("The selected key file or directory is not readable.\nPlease check your permissions."),tr("OK"),"","",0,0);		return;	}	if(fileinfo.isDir()){		if(keyfile.right(1)!="/")keyfile+="/";		QFile file(keyfile+"pwsafe.key");		if(!file.exists()){							QDir dir(keyfile);			QStringList files;			files=dir.entryList(QStringList()<<"*.key",QDir::Files);			if(!files.size()){				QMessageBox::warning(this,tr("Error"),tr("The given directory does not contain any key files."),tr("OK"),"","",0,0);				return;}			if(files.size()>1){				QMessageBox::warning(this,tr("Error"),tr("The given directory contains more then one key file.\nPlease specify the key file directly."),tr("OK"),"","",0,0);				return;}			QFile file(keyfile+files[0]);			Q_ASSERT(file.exists());			if(!QFileInfo(file).isReadable()){				QMessageBox::warning(this,tr("Error"),tr("The key file found in the given directory is not readable.\nPlease check your permissions."),tr("OK"),"","",0,0);				return;}							keyfile+=files[0];		}else{			if(!QFileInfo(file).isReadable()){				QMessageBox::warning(this,tr("Error"),tr("The key file found in the given directory is not readable.\nPlease check your permissions."),tr("OK"),"","",0,0);				return;}						keyfile+="pwsafe.key";		}	}else{	QFile file(keyfile);	if(!file.exists()){		QMessageBox::warning(this,tr("Error"),tr("Key file could not be found."),tr("OK"),"","",0,0);		return;}	if(!QFileInfo(file).isReadable()){		QMessageBox::warning(this,tr("Error"),tr("Key file is not readable.\nPlease check your permissions."),tr("OK"),"","",0,0);		return;}	}}if(config.RememberLastKey){	config.LastKeyLocation=keyfile;	config.LastKeyType=KeyType;}done(1);}void CPasswordDialog::OnOK_Set(){password=Edit_Password->text();if(password!=Edit_PasswordRep->text()){	QMessageBox::warning(this,tr("Warning"),tr("Password an password repetition are not equal.\nPlease check your input."),tr("OK"),"","",0,0);	return;}keyfile=Combo_Dirs->currentText();if(password=="" && keyfile==""){	QMessageBox::warning(this,tr("Error"),tr("Please enter a password or select a key file."),tr("OK"),"","",0,0);	return;}QFile file(keyfile);if(QFileInfo(file).isDir()){	if(keyfile.right(1)!="/")keyfile+="/";	QFile file(keyfile+"pwsafe.key");	if(file.exists()){		int r=QMessageBox::warning(this,tr("Warning"),tr("A file with the name 'pwsafe.key' already exisits in the given directory.\nDo you want to replace it?"),tr("Yes"),tr("No"),"",1,1);		if(r)return;		if(!QFileInfo(file).isWritable()){			QMessageBox::warning(this,tr("Error"),tr("The exisiting file is not writable."),tr("OK"),"","",0,0);			return;}	}	keyfile+="pwsafe.key";}else{	QFile file(keyfile);	if(file.exists()){		int r=QMessageBox::warning(this,tr("Warning"),tr("A file with the this name already exisits.\nDo you want to replace it?"),tr("Yes"),tr("No"),"",1,1);		if(r)return;		if(!QFileInfo(file).isWritable()){			QMessageBox::warning(this,tr("Error"),tr("The exisiting file is not writable."),tr("OK"),"","",0,0);			return;}	}}if(config.RememberLastKey){	config.LastKeyLocation=keyfile;	config.LastKeyType=KeyType;}done(1);}void CPasswordDialog::OnPasswordChanged(const QString &txt){Edit_PasswordRep->setText("");if(CheckBox_Both->isChecked() || txt==QString())	setStateBoth();else	setStatePasswordOnly();}void CPasswordDialog::OnComboTextChanged(const QString& txt){if(CheckBox_Both->isChecked() || txt==QString())	setStateBoth();else	setStateKeyFileOnly();}void CPasswordDialog::OnCheckBox_BothChanged(int state){if(state==Qt::Checked)	setStateBoth();if(state==Qt::Unchecked){	if(Edit_Password->text()!=QString() && Combo_Dirs->currentText()!=QString()){		Combo_Dirs->setEditText(QString());		setStatePasswordOnly();	}	else{		if(Edit_Password->text()==QString())			setStateKeyFileOnly();		else			setStatePasswordOnly();	}}}void CPasswordDialog::ChangeEchoMode(){if(Edit_Password->echoMode()==QLineEdit::Normal){	Edit_Password->setEchoMode(QLineEdit::Password);	Edit_PasswordRep->setEchoMode(QLineEdit::Password);}else{	Edit_Password->setEchoMode(QLineEdit::Normal);	Edit_PasswordRep->setEchoMode(QLineEdit::Normal);}}void CPasswordDialog::OnButtonExit(){	done(2);}