mainwindow.cpp

KeePassX用于保护密码的安全

/***************************************************************************
 *   Copyright (C) 2005-2006 by Tarek Saidi                                *
 *   [e-mail]                                                  *
 *                                                                         *
 *   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 "mainwindow.h"

#include <QToolButton>
#include <QToolBar>
#include <QMenuBar>
#include <QAction>
#include <QImage>
#include <QClipboard>
#include <QApplication>
#include <QColor>
#include <QLocale>
#include <QMessageBox>
#include <QPixmap>
#include <QDropEvent>
#include <QLabel>
#include <QShowEvent>
#include <QWidget>
#include <QFileDialog>
#include <QStatusBar>

#include "lib/random.h"
#include "lib/IniReader.h"
#include "lib/AutoType.h"
#include "import/Import_PwManager.h"
#include "import/Import_KWalletXml.h"
#include "export/Export_Txt.h"

#include "dialogs/AboutDlg.h"
#include "dialogs/EditGroupDlg.h"
#include "dialogs/SearchDlg.h"
#include "dialogs/SettingsDlg.h"
#include "dialogs/DatabaseSettingsDlg.h"
#include "dialogs/PasswordDlg.h"
#include "dialogs/SimplePasswordDlg.h"
#include "dialogs/EditEntryDlg.h"
#include "dialogs/PasswordGenDlg.h"


KeepassMainWindow::KeepassMainWindow(const QString& ArgFile,QWidget *parent, Qt::WFlags flags):QMainWindow(parent,flags){
  Start=true;
  setupUi(this);
  AutoType::MainWin=this;
  setGeometry(geometry().x(),geometry().y(),config.MainWinWidth,config.MainWinHeight);
  splitter->setSizes(QList<int>() << config.MainWinSplit1 << config.MainWinSplit2);
  setupIcons();
  setupToolbar();
  setStateFileOpen(false);
  setupMenus();
  setStatusBar(new QStatusBar(this));
  StatusBarGeneral=new QLabel(tr("Ready"),statusBar());
  StatusBarSelection=new QLabel(statusBar());
  statusBar()->addWidget(StatusBarGeneral,15);
  statusBar()->addWidget(StatusBarSelection,85);
  statusBar()->setVisible(config.ShowStatusbar);
  CGroup::UI_ExpandByDefault=config.ExpandGroupTree;
  setupConnections();
  FileOpen=false;
  Clipboard=QApplication::clipboard();
  if(ArgFile!=QString())
	openDatabase(ArgFile,false);
  else if(config.OpenLast && (config.LastFile!=QString()) ){
		QFileInfo file(config.LastFile);
		if(file.exists())
			openDatabase(config.LastFile,true);
		else
			config.LastFile=QString();	
  		}
}

void KeepassMainWindow::setupConnections(){
	connect(FileNewAction, SIGNAL(triggered()), this, SLOT(OnFileNew()));
	connect(FileOpenAction, SIGNAL(triggered()), this, SLOT(OnFileOpen()));
	connect(FileCloseAction, SIGNAL(triggered()), this, SLOT(OnFileClose()));
	connect(FileSaveAction, SIGNAL(triggered()), this, SLOT(OnFileSave()));
	connect(FileSaveAsAction, SIGNAL(triggered()), this, SLOT(OnFileSaveAs()));
	connect(FileSettingsAction, SIGNAL(triggered()), this, SLOT(OnFileSettings()));
	connect(FileChangeKeyAction, SIGNAL(triggered()), this, SLOT(OnFileChangeKey()));
	connect(FileExitAction, SIGNAL(triggered()), this, SLOT(OnFileExit()));
	connect(FileImpPwmAction, SIGNAL(triggered()), this, SLOT(OnImportFromPwm()));
	connect(FileImpKWalletXmlAction, SIGNAL(triggered()), this,SLOT(OnImportFromKWalletXml()));
	connect(FileExpPlainTextAction,SIGNAL(triggered()),this,SLOT(OnExportToTxt()));
	
	connect(EditNewGroupAction, SIGNAL(triggered()), this, SLOT(OnEditNewGroup()));
	connect(EditEditGroupAction, SIGNAL(triggered()), this, SLOT(OnEditEditGroup()));
	connect(EditDeleteGroupAction, SIGNAL(triggered()), this, SLOT(OnEditDeleteGroup()));
	connect(EditNewEntryAction, SIGNAL(triggered()), this, SLOT(OnEditNewEntry()));
	connect(EditEditEntryAction, SIGNAL(triggered()), this, SLOT(OnEditEditEntry()));
	connect(EditCloneEntryAction, SIGNAL(triggered()), this, SLOT(OnEditCloneEntry()));
	connect(EditDeleteEntryAction, SIGNAL(triggered()), this, SLOT(OnEditDeleteEntry()));
	connect(EditUsernameToClipboardAction, SIGNAL(triggered()), this, SLOT(OnEditUsernameToClipboard()));
	connect(EditPasswordToClipboardAction, SIGNAL(triggered()), this, SLOT(OnEditPasswordToClipboard()));
	connect(EditOpenUrlAction, SIGNAL(triggered()), this, SLOT(OnEditOpenUrl()));
	connect(EditSaveAttachmentAction, SIGNAL(triggered()), this, SLOT(OnEditSaveAttachment()));
	connect(EditSearchAction, SIGNAL(triggered()), this, SLOT(OnEditSearch()));
	connect(EditGroupSearchAction, SIGNAL(triggered()), this, SLOT(OnEditGroupSearch()));
	connect(EditAutoTypeAction,SIGNAL(triggered()),this,SLOT(OnEditAutoType()));
	
	connect(ViewShowToolbarAction,SIGNAL(toggled(bool)),this,SLOT(OnViewShowToolbar(bool)));
	connect(ViewShowEntryDetailsAction,SIGNAL(toggled(bool)),this,SLOT(OnViewShowEntryDetails(bool)));
	connect(ViewHidePasswordsAction,SIGNAL(toggled(bool)), this, SLOT(OnUsernPasswVisibilityChanged(bool)));
	connect(ViewHideUsernamesAction,SIGNAL(toggled(bool)), this, SLOT(OnUsernPasswVisibilityChanged(bool)));
	connect(ViewColumnsTitleAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsUsernameAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsUrlAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsPasswordAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsCommentAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsExpireAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsCreationAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsLastChangeAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsLastAccessAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewColumnsAttachmentAction,SIGNAL(toggled(bool)), this, SLOT(OnColumnVisibilityChanged(bool)));
	connect(ViewToolButtonSize16Action,SIGNAL(toggled(bool)), this, SLOT(OnViewToolbarIconSize16(bool)));
	connect(ViewToolButtonSize22Action,SIGNAL(toggled(bool)), this, SLOT(OnViewToolbarIconSize22(bool)));
	connect(ViewToolButtonSize28Action,SIGNAL(toggled(bool)), this, SLOT(OnViewToolbarIconSize28(bool)));
	connect(ViewShowStatusbarAction,SIGNAL(toggled(bool)),statusBar(),SLOT(setVisible(bool)));
	
	connect(ExtrasSettingsAction,SIGNAL(triggered(bool)),this,SLOT(OnExtrasSettings()));
	
	connect(HelpHandbookAction,SIGNAL(triggered()),this,SLOT(OnHelpHandbook()));
	connect(HelpAboutAction,SIGNAL(triggered()),this,SLOT(OnHelpAbout()));
	
	connect(GroupView,SIGNAL(entryDropped()),EntryView,SLOT(updateItems()));
	connect(this,SIGNAL(entryChanged()),EntryView,SLOT(updateItems()),Qt::QueuedConnection);
	connect(&ClipboardTimer, SIGNAL(timeout()), this, SLOT(OnClipboardTimeOut()));
	connect(GroupView,SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),this,
			SLOT(OnCurrentGroupChanged(QTreeWidgetItem*,QTreeWidgetItem*)));
	connect(GroupView,SIGNAL(itemExpanded(QTreeWidgetItem*)),this,SLOT(OnItemExpanded(QTreeWidgetItem*)));
	connect(GroupView,SIGNAL(itemCollapsed(QTreeWidgetItem*)),this,SLOT(OnItemCollaped(QTreeWidgetItem*)));
	connect(EntryView,SIGNAL(itemActivated(QTreeWidgetItem*,int)),this,
			SLOT(OnEntryItemDoubleClicked(QTreeWidgetItem*,int)));
	connect(EntryView,SIGNAL(itemSelectionChanged()), this, SLOT(OnEntrySelectionChanged()));
	connect(GroupView,SIGNAL(itemSelectionChanged()), this, SLOT(OnGroupSelectionChanged()));
	connect(GroupView,SIGNAL(fileModified()),this,SLOT(OnFileModified()));
	connect(QuickSearchEdit,SIGNAL(returnPressed()), this, SLOT(OnQuickSearch()));
	connect(HideSearchResultsAction,SIGNAL(triggered()),this, SLOT(OnHideSearchGroup()));

}

void KeepassMainWindow::setupToolbar(){
  toolBar=new QToolBar(this);
  addToolBar(toolBar);
  toolBar->setIconSize(QSize(config.ToolbarIconSize,config.ToolbarIconSize));
  toolBar->addAction(FileNewAction);
  toolBar->addAction(FileOpenAction);
  toolBar->addAction(FileSaveAction);
  toolBar->addSeparator();
  toolBar->addAction(EditNewEntryAction);
  toolBar->addAction(EditEditEntryAction);
  toolBar->addAction(EditDeleteEntryAction);
  toolBar->addSeparator();
  toolBar->addAction(EditPasswordToClipboardAction);
  toolBar->addAction(EditUsernameToClipboardAction);
  toolBar->addSeparator();
  QuickSearchEdit=new QLineEdit(toolBar);
  QuickSearchEdit->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
  toolBar->addWidget(QuickSearchEdit);
}

void KeepassMainWindow::setupIcons(){
setWindowIcon(QIcon(AppDir+"/../share/keepass/icons/keepassx.png"));
FileNewAction->setIcon(*Icon_FileNew);
FileOpenAction->setIcon(*Icon_FileOpen);
FileSaveAction->setIcon(*Icon_FileSave);
FileSaveAsAction->setIcon(*Icon_FileSaveAs);
FileCloseAction->setIcon(*Icon_FileClose);
FileSettingsAction->setIcon(*Icon_Configure);
FileExitAction->setIcon(*Icon_Exit);
EditNewEntryAction->setIcon(*Icon_EditAdd);
EditEditEntryAction->setIcon(*Icon_EditEdit);
EditDeleteEntryAction->setIcon(*Icon_EditDelete);
EditPasswordToClipboardAction->setIcon(*Icon_EditPasswordToCb);
EditUsernameToClipboardAction->setIcon(*Icon_EditUsernameToCb);
EditCloneEntryAction->setIcon(*Icon_EditClone);
EditOpenUrlAction->setIcon(*Icon_EditOpenUrl);
EditSaveAttachmentAction->setIcon(*Icon_FileSave);
EditNewGroupAction->setIcon(*Icon_EditAdd);
EditEditGroupAction->setIcon(*Icon_EditEdit);
EditDeleteGroupAction->setIcon(*Icon_EditDelete);
EditSearchAction->setIcon(*Icon_EditSearch);
EditGroupSearchAction->setIcon(*Icon_EditSearch);
ExtrasSettingsAction->setIcon(*Icon_Configure);
EditAutoTypeAction->setIcon(*Icon_AutoType);
HelpHandbookAction->setIcon(*Icon_Help);
}

void KeepassMainWindow::setupMenus(){
  GroupView->ContextMenu->addAction(EditNewGroupAction);
  GroupView->ContextMenu->addAction(EditEditGroupAction);
  GroupView->ContextMenu->addAction(EditDeleteGroupAction);
  GroupView->ContextMenu->addSeparator();
  GroupView->ContextMenu->addAction(EditNewEntryAction);
  GroupView->ContextMenu->addSeparator();
  GroupView->ContextMenu->addAction(EditGroupSearchAction);
  GroupView->ContextMenuSearchGroup->addAction(HideSearchResultsAction);

  EntryView->ContextMenu->addAction(EditPasswordToClipboardAction);
  EntryView->ContextMenu->addAction(EditUsernameToClipboardAction);
  EntryView->ContextMenu->addAction(EditOpenUrlAction);
  EntryView->ContextMenu->addAction(EditSaveAttachmentAction);
  EntryView->ContextMenu->addAction(EditAutoTypeAction);
  EntryView->ContextMenu->addSeparator();
  EntryView->ContextMenu->addAction(EditNewEntryAction);
  EntryView->ContextMenu->addAction(EditEditEntryAction);
  EntryView->ContextMenu->addAction(EditCloneEntryAction);
  EntryView->ContextMenu->addAction(EditDeleteEntryAction);

  ViewShowToolbarAction->setChecked(config.Toolbar);
  ViewShowEntryDetailsAction->setChecked(config.EntryDetails);
  ViewHidePasswordsAction->setChecked(config.ListView_HidePasswords);
  ViewHideUsernamesAction->setChecked(config.ListView_HideUsernames);
  ViewColumnsTitleAction->setChecked(config.Columns[0]);
  ViewColumnsUsernameAction->setChecked(config.Columns[1]);
  ViewColumnsUrlAction->setChecked(config.Columns[2]);
  ViewColumnsPasswordAction->setChecked(config.Columns[3]);
  ViewColumnsCommentAction->setChecked(config.Columns[4]);
  ViewColumnsExpireAction->setChecked(config.Columns[5]);
  ViewColumnsCreationAction->setChecked(config.Columns[6]);
  ViewColumnsLastChangeAction->setChecked(config.Columns[7]);
  ViewColumnsLastAccessAction->setChecked(config.Columns[8]);
  ViewColumnsAttachmentAction->setChecked(config.Columns[9]);
  ViewShowStatusbarAction->setChecked(config.ShowStatusbar);

  switch(config.ToolbarIconSize){
	case 16: ViewToolButtonSize16Action->setChecked(true); break;
	case 22: ViewToolButtonSize22Action->setChecked(true); break;
	case 28: ViewToolButtonSize28Action->setChecked(true); break;
  }

  FileNewAction->setShortcut(tr("Ctrl+N"));
  FileOpenAction->setShortcut(tr("Ctrl+O"));
  FileSaveAction->setShortcut(tr("Ctrl+S"));
  EditNewGroupAction->setShortcut(tr("Ctrl+G"));
  EditPasswordToClipboardAction->setShortcut(tr("Ctrl+C"));
  EditUsernameToClipboardAction->setShortcut(tr("Ctrl+B"));
  EditOpenUrlAction->setShortcut(tr("Ctrl+U"));
  EditNewEntryAction->setShortcut(tr("Ctrl+Y"));
  EditEditEntryAction->setShortcut(tr("Ctrl+E"));
  EditDeleteEntryAction->setShortcut(tr("Ctrl+D"));
  EditCloneEntryAction->setShortcut(tr("Ctrl+K"));
  EditSearchAction->setShortcut(tr("Ctrl+F"));
  EditAutoTypeAction->setShortcut(tr("Ctrl+V"));
#ifdef Q_WS_MAC
  FileCloseAction->setShortcut(tr("Ctrl+W"));
  FileSaveAsAction->setShortcut(tr("Shift+Ctrl+S"));
  EditGroupSearchAction->setShortcut(tr("Shift+Ctrl+F"));
#endif
}

void KeepassMainWindow::setupDatabaseConnections(Database* DB){
connect(DB,SIGNAL(iconsModified()),this,SLOT(OnFileModified()));
connect(DB,SIGNAL(iconsModified()),EntryView,SLOT(updateItems()));
connect(DB,SIGNAL(iconsModified()),GroupView,SLOT(updateItems()));
}


void KeepassMainWindow::openDatabase(QString filename,bool IsAuto){
Q_ASSERT(!FileOpen);
if(!IsAuto){
	config.LastKeyLocation=QString();
	config.LastKeyType=PASSWORD;}
CPasswordDialog PasswordDlg(this,true,IsAuto);
PasswordDlg.setWindowTitle(filename);
int r=PasswordDlg.exec();
if(r==0) return;
if(r==2) {Start=false; return;}
Q_ASSERT(r==1);
db = new PwDatabase();
GroupView->db=db;
EntryView->db=db;
setupDatabaseConnections(db);
if(PasswordDlg.password!="" && PasswordDlg.keyfile=="")
	db->CalcMasterKeyByPassword(PasswordDlg.password);
if(PasswordDlg.password=="" && PasswordDlg.keyfile!="")
	db->CalcMasterKeyByFile(PasswordDlg.keyfile);
if(PasswordDlg.password!="" && PasswordDlg.keyfile!="")
	db->CalcMasterKeyByFileAndPw(PasswordDlg.keyfile,PasswordDlg.password);
QString err;
StatusBarGeneral->setText(tr("Loading Database..."));
if(db->openDatabase(filename,err)==true){
//SUCCESS
if(config.OpenLast)config.LastFile=filename;
setWindowTitle(tr("KeePassX - %1").arg(filename));
GroupView->updateItems();
EntryView->updateItems(0);
setStateFileOpen(true);
setStateFileModified(false);
}
else{
//ERROR
delete db;
StatusBarGeneral->setText(tr("Loading Failed"));
if(err=="")err=tr("Unknown error in PwDatabase::openDatabase()");
QMessageBox::critical(this,tr("Error")
						  ,tr("The following error occured while opening the database:\n%1")
				 		  .arg(err),tr("OK"));
}
StatusBarGeneral->setText(tr("Ready"));
}

bool KeepassMainWindow::closeDatabase(){
Q_ASSERT(FileOpen);
Q_ASSERT(db!=NULL);
if(ModFlag){
 int r=QMessageBox::question(this,tr("Save modified file?"),
				  tr("The current file was modified. Do you want\nto save the changes?"),tr("Yes"),tr("No"),tr("Cancel"),2,2);
 if(r==2)return false;			//Abbrechen
 if(r==0)				//Ja (Datei speichern)
  if(!OnFileSave())return false;
}
delete db;
db=NULL;
EntryView->db=NULL;
EntryView->clear();
EntryView->Items.clear();
GroupView->db=NULL;
GroupView->clear();
GroupView->Items.clear();
SearchResults.clear();
GroupView->ShowSearchGroup=false;
setStateFileOpen(false);
setWindowTitle("KeePassX Password Manager");
return true;
}


void KeepassMainWindow::OnFileNew(){
CPasswordDialog dlg(this,true,false,true);
dlg.setWindowTitle("New Database");
if(dlg.exec()==1){
	if(FileOpen)
		if(!closeDatabase())return;
	db=new PwDatabase();
	db->newDatabase();
	if(dlg.KeyType==BOTH || dlg.KeyType==KEYFILE){
		if(!db->createKeyFile(dlg.keyfile)){