| -rw-r--r-- | library/password.cpp | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/library/password.cpp b/library/password.cpp new file mode 100644 index 0000000..3be6efe --- a/dev/null +++ b/library/password.cpp @@ -0,0 +1,323 @@ +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qtopia Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ +#include "password.h" +#include "config.h" +#include "global.h" +#include "backend/contact.h" +#include <qlabel.h> +#include <qlineedit.h> +#include <qtextview.h> +#include <qstring.h> +#include <qapplication.h> +#include <qfile.h> +#include <qwindowsystem_qws.h> + +#include <qdialog.h> + +#include <unistd.h> //for sleep +#include "passwordbase_p.h" + +class PasswordDialog : public PasswordBase +{ + Q_OBJECT + +public: + PasswordDialog( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 ); + ~PasswordDialog(); + + void clear(); + void setPrompt( const QString& ); + +signals: + void passwordEntered( const QString& ); + +protected: + bool eventFilter( QObject*, QEvent* ); + void keyPressEvent( QKeyEvent * ); + +private: + void input( QString ); + friend class Password; + QString text; +}; + + +extern "C" char *crypt(const char *key, const char *salt); +static QString qcrypt(const QString& k, const char *salt) +{ + return QString::fromUtf8(crypt(k.utf8(),salt)); +} + +/* + * Constructs a PasswordDialog which is a child of 'parent', with the + * name 'name' and widget flags set to 'f' + */ +PasswordDialog::PasswordDialog( QWidget* parent, const char* name, WFlags fl ) + : PasswordBase( parent, name, fl ) +{ + button_0->installEventFilter( this ); + button_1->installEventFilter( this ); + button_2->installEventFilter( this ); + button_3->installEventFilter( this ); + button_4->installEventFilter( this ); + button_5->installEventFilter( this ); + button_6->installEventFilter( this ); + button_7->installEventFilter( this ); + button_8->installEventFilter( this ); + button_9->installEventFilter( this ); + button_OK->installEventFilter( this ); + setFocus(); +} + +/* + * Destroys the object and frees any allocated resources + */ +PasswordDialog::~PasswordDialog() +{ + // no need to delete child widgets, Qt does it all for us +} + + + +/*! + \reimp +*/ + +bool PasswordDialog::eventFilter( QObject*o, QEvent*e ) +{ + if ( e->type() == QEvent::MouseButtonRelease ) { + if ( o == button_OK ) { + emit passwordEntered( text ); + } else { + QLabel *l = (QLabel*)o; + input(l->text()); + } + } + return FALSE; +} + + +/*! + \reimp +*/ + +void PasswordDialog::keyPressEvent( QKeyEvent * ) +{ +#if 0 + if ( e->key() == Key_Enter || e->key() == Key_Return ) + emit passwordEntered( text ); + else + input( e->text() ); +#endif +} + + +/*! + +*/ + +void PasswordDialog::input( QString c ) +{ + text += c; + display->setText( text ); +} + +/*! + +*/ + +void PasswordDialog::setPrompt( const QString& s ) +{ + prompt->setText( s ); +} + +void PasswordDialog::clear() +{ + text = ""; + input(""); +} + +class PasswdDlg : public QDialog +{ +public: + PasswdDlg( QWidget *parent, const char * name, bool modal, bool fullscreen = FALSE ) + : QDialog( parent, name, modal, fullscreen ? WStyle_NoBorder | WStyle_Customize | WStyle_StaysOnTop : 0 ), + modl(modal) + { + passw = new PasswordDialog( this ); + + if ( fullscreen ) { + QRect desk = qApp->desktop()->geometry(); + setGeometry( 0, 0, desk.width(), desk.height() ); + } + + connect( passw, SIGNAL(passwordEntered(const QString&)), + this, SLOT(accept()) ); + } + + void resizeEvent( QResizeEvent * ) + { + passw->resize( size() ); + } + + void reset() + { + passw->clear(); + } + + void execNonModal() + { + if ( !modl ) { + reset(); + showFullScreen(); + do { + qApp->enter_loop(); + } while (result()!=1); + } + } + + void accept() + { + if ( !modl ) + qApp->exit_loop(); + QDialog::accept(); + } + + PasswordDialog *passw; + bool modl; +}; + +class OwnerDlg : public QDialog +{ +public: + + OwnerDlg( QWidget *parent, const char * name, Contact c, + bool modal, bool fullscreen = FALSE ) + : QDialog( parent, name, modal, + fullscreen ? + WStyle_NoBorder | WStyle_Customize | WStyle_StaysOnTop : 0 ) + { + if ( fullscreen ) { + QRect desk = qApp->desktop()->geometry(); + setGeometry( 0, 0, desk.width(), desk.height() ); + } + + // set up contents. + QString text = "<H1>" + tr("Owner Information") + "</H1>"; + text += c.toRichText(); + tv = new QTextView(this); + tv->setText(text); + + tv->viewport()->installEventFilter(this); + } + + void resizeEvent( QResizeEvent * ) + { + tv->resize( size() ); + } + + bool eventFilter(QObject *o, QEvent *e) + { + if (e->type() == QEvent::KeyPress || e->type() == QEvent::MouseButtonPress ) { + accept(); + return TRUE; + } + return QWidget::eventFilter(o, e); + } + + void mousePressEvent( QMouseEvent * ) { accept(); } + +private: + QTextView *tv; +}; + +/*! + Returns a crypted password entered by the user when prompted with \a prompt + The returned value is QString::null if the user cancels the operation, + or the empty string if the user enters no password (but confirms the + dialog). +*/ + +QString Password::getPassword( const QString& prompt ) +{ + PasswdDlg pd(0,0,TRUE); + pd.passw->setPrompt( prompt ); + + pd.showMaximized(); + int r = pd.exec(); + + if ( r == QDialog::Accepted ) { + if (pd.passw->text.isEmpty()) + return ""; + else + return qcrypt(pd.passw->text,"a0"); + } else { + return QString::null; + } +} + + +/*! + Prompt, fullscreen, for the user's passcode until they get it right. + + If \a at_poweron is TRUE, the dialog is only used if the user's + preference request it at poweron; either way, the screen is always repainted + by this function. (this functionality may move to the caller of this function). +*/ + +void Password::authenticate(bool at_poweron) +{ + Config cfg("Security"); + cfg.setGroup("Passcode"); + QString passcode = cfg.readEntry("passcode"); + if ( !passcode.isEmpty() + && (!at_poweron || cfg.readNumEntry("passcode_poweron",0)) ) + { + // Do it as a fullscreen modal dialog + PasswdDlg pd(0,0,TRUE,TRUE); + + // see if there is contact information. + OwnerDlg *oi = 0; + QString vfilename = Global::applicationFileName("addressbook", + "businesscard.vcf"); + if (QFile::exists(vfilename)) { + Contact c; + c = Contact::readVCard( vfilename )[0]; + + oi = new OwnerDlg(0, 0, c, TRUE, TRUE); + } + + pd.reset(); + pd.exec(); + while (qcrypt(pd.passw->text, "a0") != passcode) { + if (oi) + oi->exec(); + pd.reset(); + pd.exec(); + } + } else if ( at_poweron ) { + // refresh screen #### should probably be in caller + // Not needed (we took away the screen blacking) + //if ( qwsServer ) + //qwsServer->refresh(); + } +} + +#include "password.moc" |