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pinentrydialog.cpp
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/* pinentrydialog.cpp - A (not yet) secure Qt 4 dialog for PIN entry.
* Copyright (C) 2002, 2008 Klarälvdalens Datakonsult AB (KDAB)
* Copyright 2007 Ingo Klöcker
* Copyright 2016 Intevation GmbH
* Copyright (C) 2021 g10 Code GmbH
*
* Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
* Modified by Andre Heinecke <aheinecke@intevation.de>
* Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
*
* 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, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-2.0+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include
"pinentrydialog.h"
#include
"capslock.h"
#include
"pinlineedit.h"
#include
"util.h"
#include
<QGridLayout>
#include
<QProgressBar>
#include
<QApplication>
#include
<QFontMetrics>
#include
<QStyle>
#include
<QPainter>
#include
<QPushButton>
#include
<QDialogButtonBox>
#include
<QKeyEvent>
#include
<QLabel>
#include
<QPalette>
#include
<QLineEdit>
#include
<QAction>
#include
<QCheckBox>
#include
<QHBoxLayout>
#include
<QVBoxLayout>
#include
<QMessageBox>
#include
<QRegularExpression>
#include
<QAccessible>
#include
<QDebug>
#ifdef Q_OS_WIN
#include
<windows.h>
#if QT_VERSION >= 0x050700
#include
<QtPlatformHeaders/QWindowsWindowFunctions>
#endif
#endif
void
raiseWindow
(
QWidget
*
w
)
{
#ifdef Q_OS_WIN
#if QT_VERSION >= 0x050700
QWindowsWindowFunctions
::
setWindowActivationBehavior
(
QWindowsWindowFunctions
::
AlwaysActivateWindow
);
#endif
#endif
w
->
setWindowState
((
w
->
windowState
()
&
~
Qt
::
WindowMinimized
)
|
Qt
::
WindowActive
);
w
->
activateWindow
();
w
->
raise
();
}
QPixmap
icon
(
QStyle
::
StandardPixmap
which
)
{
QPixmap
pm
=
qApp
->
windowIcon
().
pixmap
(
48
,
48
);
if
(
which
!=
QStyle
::
SP_CustomBase
)
{
const
QIcon
ic
=
qApp
->
style
()
->
standardIcon
(
which
);
QPainter
painter
(
&
pm
);
const
int
emblemSize
=
22
;
painter
.
drawPixmap
(
pm
.
width
()
-
emblemSize
,
0
,
ic
.
pixmap
(
emblemSize
,
emblemSize
));
}
return
pm
;
}
void
PinEntryDialog
::
slotTimeout
()
{
_timed_out
=
true
;
reject
();
}
PinEntryDialog
::
PinEntryDialog
(
QWidget
*
parent
,
const
char
*
name
,
int
timeout
,
bool
modal
,
bool
enable_quality_bar
,
const
QString
&
repeatString
,
const
QString
&
visibilityTT
,
const
QString
&
hideTT
)
:
QDialog
(
parent
),
mRepeat
(
NULL
),
mRepeatError
{
nullptr
},
_grabbed
(
false
),
_disable_echo_allowed
(
true
),
mEnforceConstraints
(
false
),
mVisibilityTT
(
visibilityTT
),
mHideTT
(
hideTT
),
mVisiActionEdit
(
NULL
),
mGenerateButton
{
nullptr
},
mVisiCB
(
NULL
),
mFormattedPassphraseCB
(
NULL
),
mFormattedPassphraseHint
(
NULL
),
mFormattedPassphraseHintSpacer
(
NULL
),
mCapsLockHint
(
NULL
),
mConstraintsHint
(
NULL
)
{
_timed_out
=
false
;
if
(
modal
)
{
setWindowModality
(
Qt
::
ApplicationModal
);
}
_icon
=
new
QLabel
(
this
);
_icon
->
setPixmap
(
icon
());
QPalette
redTextPalette
;
redTextPalette
.
setColor
(
QPalette
::
WindowText
,
Qt
::
red
);
_error
=
new
QLabel
(
this
);
_error
->
setPalette
(
redTextPalette
);
_error
->
hide
();
mCapsLockHint
=
new
QLabel
(
this
);
mCapsLockHint
->
setPalette
(
redTextPalette
);
mCapsLockHint
->
setAlignment
(
Qt
::
AlignCenter
);
mCapsLockHint
->
setVisible
(
false
);
_desc
=
new
QLabel
(
this
);
_desc
->
hide
();
_prompt
=
new
QLabel
(
this
);
_prompt
->
hide
();
_edit
=
new
PinLineEdit
(
this
);
_edit
->
setMaxLength
(
256
);
_edit
->
setMinimumWidth
(
_edit
->
fontMetrics
().
averageCharWidth
()
*
20
+
48
);
_edit
->
setEchoMode
(
QLineEdit
::
Password
);
_prompt
->
setBuddy
(
_edit
);
if
(
!
repeatString
.
isNull
())
{
mGenerateButton
=
new
QPushButton
{
this
};
mGenerateButton
->
setIcon
(
QIcon
::
fromTheme
(
QLatin1String
(
"password-generate"
)));
mGenerateButton
->
setVisible
(
false
);
connect
(
mGenerateButton
,
&
QPushButton
::
clicked
,
this
,
&
PinEntryDialog
::
generatePin
);
}
if
(
!
repeatString
.
isNull
())
{
mRepeat
=
new
PinLineEdit
(
this
);
mRepeatError
=
new
QLabel
{
this
};
mRepeatError
->
setPalette
(
redTextPalette
);
mRepeatError
->
hide
();
}
if
(
enable_quality_bar
)
{
_quality_bar_label
=
new
QLabel
(
this
);
_quality_bar_label
->
setAlignment
(
Qt
::
AlignVCenter
);
_quality_bar
=
new
QProgressBar
(
this
);
_quality_bar
->
setAlignment
(
Qt
::
AlignCenter
);
_have_quality_bar
=
true
;
}
else
{
_have_quality_bar
=
false
;
}
mFormattedPassphraseCB
=
new
QCheckBox
{
this
};
QDialogButtonBox
*
const
buttons
=
new
QDialogButtonBox
(
this
);
buttons
->
setStandardButtons
(
QDialogButtonBox
::
Ok
|
QDialogButtonBox
::
Cancel
);
_ok
=
buttons
->
button
(
QDialogButtonBox
::
Ok
);
_cancel
=
buttons
->
button
(
QDialogButtonBox
::
Cancel
);
if
(
style
()
->
styleHint
(
QStyle
::
SH_DialogButtonBox_ButtonsHaveIcons
))
{
_ok
->
setIcon
(
style
()
->
standardIcon
(
QStyle
::
SP_DialogOkButton
));
_cancel
->
setIcon
(
style
()
->
standardIcon
(
QStyle
::
SP_DialogCancelButton
));
}
if
(
timeout
>
0
)
{
_timer
=
new
QTimer
(
this
);
connect
(
_timer
,
SIGNAL
(
timeout
()),
this
,
SLOT
(
slotTimeout
()));
_timer
->
start
(
timeout
*
1000
);
}
else
{
_timer
=
NULL
;
}
connect
(
buttons
,
SIGNAL
(
accepted
()),
this
,
SLOT
(
onAccept
()));
connect
(
buttons
,
SIGNAL
(
rejected
()),
this
,
SLOT
(
reject
()));
connect
(
_edit
,
SIGNAL
(
textChanged
(
QString
)),
this
,
SLOT
(
updateQuality
(
QString
)));
connect
(
_edit
,
SIGNAL
(
textChanged
(
QString
)),
this
,
SLOT
(
textChanged
(
QString
)));
connect
(
_edit
,
SIGNAL
(
backspacePressed
()),
this
,
SLOT
(
onBackspace
()));
if
(
mRepeat
)
{
connect
(
_edit
,
&
QLineEdit
::
returnPressed
,
this
,
[
this
]
{
mRepeat
->
setFocus
();
});
}
auto
*
const
mainLayout
=
new
QVBoxLayout
{
this
};
auto
*
const
hbox
=
new
QHBoxLayout
;
hbox
->
addWidget
(
_icon
,
0
,
Qt
::
AlignVCenter
|
Qt
::
AlignLeft
);
auto
*
const
grid
=
new
QGridLayout
;
int
row
=
1
;
grid
->
addWidget
(
_error
,
row
++
,
1
,
1
,
2
);
grid
->
addWidget
(
_desc
,
row
++
,
1
,
1
,
2
);
grid
->
addWidget
(
mCapsLockHint
,
row
++
,
1
,
1
,
2
);
grid
->
addWidget
(
_prompt
,
row
,
1
);
{
const
auto
l
=
new
QHBoxLayout
;
l
->
addWidget
(
_edit
,
1
);
if
(
mGenerateButton
)
{
l
->
addWidget
(
mGenerateButton
);
}
grid
->
addLayout
(
l
,
row
++
,
2
);
}
mConstraintsHint
=
new
QLabel
;
mConstraintsHint
->
setVisible
(
false
);
grid
->
addWidget
(
mConstraintsHint
,
row
++
,
2
);
mFormattedPassphraseHintSpacer
=
new
QLabel
;
mFormattedPassphraseHintSpacer
->
setVisible
(
false
);
mFormattedPassphraseHint
=
new
QLabel
;
mFormattedPassphraseHint
->
setVisible
(
false
);
grid
->
addWidget
(
mFormattedPassphraseHintSpacer
,
row
,
1
);
grid
->
addWidget
(
mFormattedPassphraseHint
,
row
++
,
2
);
if
(
mRepeat
)
{
mRepeat
->
setMaxLength
(
256
);
mRepeat
->
setEchoMode
(
QLineEdit
::
Password
);
connect
(
mRepeat
,
SIGNAL
(
textChanged
(
QString
)),
this
,
SLOT
(
textChanged
(
QString
)));
QLabel
*
repeatLabel
=
new
QLabel
(
repeatString
);
repeatLabel
->
setBuddy
(
mRepeat
);
grid
->
addWidget
(
repeatLabel
,
row
,
1
);
grid
->
addWidget
(
mRepeat
,
row
++
,
2
);
grid
->
addWidget
(
mRepeatError
,
row
++
,
2
);
}
if
(
enable_quality_bar
)
{
grid
->
addWidget
(
_quality_bar_label
,
row
,
1
);
grid
->
addWidget
(
_quality_bar
,
row
++
,
2
);
}
/* Set up the show password action */
const
QIcon
visibilityIcon
=
QIcon
::
fromTheme
(
QLatin1String
(
"visibility"
));
const
QIcon
hideIcon
=
QIcon
::
fromTheme
(
QLatin1String
(
"hint"
));
#if QT_VERSION >= 0x050200
if
(
!
visibilityIcon
.
isNull
()
&&
!
hideIcon
.
isNull
())
{
mVisiActionEdit
=
_edit
->
addAction
(
visibilityIcon
,
QLineEdit
::
TrailingPosition
);
mVisiActionEdit
->
setVisible
(
false
);
mVisiActionEdit
->
setToolTip
(
mVisibilityTT
);
connect
(
mVisiActionEdit
,
SIGNAL
(
triggered
()),
this
,
SLOT
(
toggleVisibility
()));
}
else
#endif
{
if
(
!
mVisibilityTT
.
isNull
())
{
mVisiCB
=
new
QCheckBox
(
mVisibilityTT
);
connect
(
mVisiCB
,
SIGNAL
(
toggled
(
bool
)),
this
,
SLOT
(
toggleVisibility
()));
grid
->
addWidget
(
mVisiCB
,
row
++
,
1
,
1
,
2
,
Qt
::
AlignLeft
);
}
}
mFormattedPassphraseCB
->
setVisible
(
false
);
mFormattedPassphraseCB
->
setEnabled
(
false
);
connect
(
mFormattedPassphraseCB
,
SIGNAL
(
toggled
(
bool
)),
this
,
SLOT
(
toggleFormattedPassphrase
()));
grid
->
addWidget
(
mFormattedPassphraseCB
,
row
++
,
1
,
1
,
2
);
hbox
->
addLayout
(
grid
,
1
);
mainLayout
->
addLayout
(
hbox
);
mainLayout
->
addStretch
(
1
);
mainLayout
->
addWidget
(
buttons
);
auto
capsLockWatcher
=
new
CapsLockWatcher
{
this
};
connect
(
capsLockWatcher
,
&
CapsLockWatcher
::
stateChanged
,
this
,
[
this
]
(
bool
locked
)
{
mCapsLockHint
->
setVisible
(
locked
);
});
connect
(
qApp
,
SIGNAL
(
focusChanged
(
QWidget
*
,
QWidget
*
)),
this
,
SLOT
(
focusChanged
(
QWidget
*
,
QWidget
*
)));
connect
(
qApp
,
SIGNAL
(
applicationStateChanged
(
Qt
::
ApplicationState
)),
this
,
SLOT
(
checkCapsLock
()));
checkCapsLock
();
#if QT_VERSION >= 0x050000
/* This is mostly an issue on Windows where this results
in the pinentry popping up nicely with an animation and
comes to front. It is not ifdefed for Windows only since
window managers on Linux like KWin can also have this
result in an animation when the pinentry is shown and
not just popping it up.
*/
if
(
qApp
->
platformName
()
!=
QLatin1String
(
"wayland"
))
{
setWindowState
(
Qt
::
WindowMinimized
);
QTimer
::
singleShot
(
0
,
this
,
[
this
]
()
{
raiseWindow
(
this
);
});
}
#else
activateWindow
();
raise
();
#endif
}
void
PinEntryDialog
::
keyReleaseEvent
(
QKeyEvent
*
event
)
{
QDialog
::
keyReleaseEvent
(
event
);
checkCapsLock
();
}
void
PinEntryDialog
::
showEvent
(
QShowEvent
*
event
)
{
QDialog
::
showEvent
(
event
);
_edit
->
setFocus
();
}
void
PinEntryDialog
::
setDescription
(
const
QString
&
txt
)
{
_desc
->
setVisible
(
!
txt
.
isEmpty
());
_desc
->
setText
(
txt
);
#ifndef QT_NO_ACCESSIBILITY
_desc
->
setAccessibleDescription
(
txt
);
#endif
_icon
->
setPixmap
(
icon
());
setError
(
QString
());
}
QString
PinEntryDialog
::
description
()
const
{
return
_desc
->
text
();
}
void
PinEntryDialog
::
setError
(
const
QString
&
txt
)
{
if
(
!
txt
.
isNull
())
{
_icon
->
setPixmap
(
icon
(
QStyle
::
SP_MessageBoxCritical
));
}
_error
->
setText
(
txt
);
#ifndef QT_NO_ACCESSIBILITY
_error
->
setAccessibleDescription
(
txt
);
#endif
_error
->
setVisible
(
!
txt
.
isEmpty
());
}
QString
PinEntryDialog
::
error
()
const
{
return
_error
->
text
();
}
void
PinEntryDialog
::
setPin
(
const
QString
&
txt
)
{
_edit
->
setPin
(
txt
);
}
QString
PinEntryDialog
::
pin
()
const
{
return
_edit
->
pin
();
}
void
PinEntryDialog
::
setPrompt
(
const
QString
&
txt
)
{
_prompt
->
setText
(
txt
);
_prompt
->
setVisible
(
!
txt
.
isEmpty
());
if
(
txt
.
contains
(
"PIN"
))
_disable_echo_allowed
=
false
;
}
QString
PinEntryDialog
::
prompt
()
const
{
return
_prompt
->
text
();
}
void
PinEntryDialog
::
setOkText
(
const
QString
&
txt
)
{
_ok
->
setText
(
txt
);
#ifndef QT_NO_ACCESSIBILITY
_ok
->
setAccessibleDescription
(
txt
);
#endif
_ok
->
setVisible
(
!
txt
.
isEmpty
());
}
void
PinEntryDialog
::
setCancelText
(
const
QString
&
txt
)
{
_cancel
->
setText
(
txt
);
#ifndef QT_NO_ACCESSIBILITY
_cancel
->
setAccessibleDescription
(
txt
);
#endif
_cancel
->
setVisible
(
!
txt
.
isEmpty
());
}
void
PinEntryDialog
::
setQualityBar
(
const
QString
&
txt
)
{
if
(
_have_quality_bar
)
{
_quality_bar_label
->
setText
(
txt
);
#ifndef QT_NO_ACCESSIBILITY
_quality_bar_label
->
setAccessibleDescription
(
txt
);
#endif
}
}
void
PinEntryDialog
::
setQualityBarTT
(
const
QString
&
txt
)
{
if
(
_have_quality_bar
)
{
_quality_bar
->
setToolTip
(
txt
);
}
}
void
PinEntryDialog
::
setGenpinLabel
(
const
QString
&
txt
)
{
if
(
!
mGenerateButton
)
{
return
;
}
mGenerateButton
->
setVisible
(
!
txt
.
isEmpty
());
if
(
!
txt
.
isEmpty
())
{
mGenerateButton
->
setAccessibleName
(
txt
);
}
}
void
PinEntryDialog
::
setGenpinTT
(
const
QString
&
txt
)
{
if
(
mGenerateButton
)
{
mGenerateButton
->
setToolTip
(
txt
);
}
}
void
PinEntryDialog
::
setCapsLockHint
(
const
QString
&
txt
)
{
mCapsLockHint
->
setText
(
txt
);
}
void
PinEntryDialog
::
setFormattedPassphrase
(
const
PinEntryDialog
::
FormattedPassphraseOptions
&
options
)
{
mFormattedPassphraseCB
->
setText
(
options
.
label
);
mFormattedPassphraseCB
->
setToolTip
(
QLatin1String
(
"<html>"
)
+
options
.
tooltip
.
toHtmlEscaped
()
+
QLatin1String
(
"</html>"
));
mFormattedPassphraseCB
->
setAccessibleDescription
(
options
.
tooltip
);
mFormattedPassphraseHint
->
setText
(
QLatin1String
(
"<html>"
)
+
options
.
hint
.
toHtmlEscaped
()
+
QLatin1String
(
"</html>"
));
mFormattedPassphraseHint
->
setAccessibleName
(
options
.
hint
);
mFormattedPassphraseCB
->
setVisible
(
options
.
mode
!=
FormattedPassphraseHidden
);
mFormattedPassphraseCB
->
setEnabled
(
options
.
mode
==
FormattedPassphraseOff
||
options
.
mode
==
FormattedPassphraseOn
);
mFormattedPassphraseCB
->
setChecked
(
options
.
mode
==
FormattedPassphraseOn
||
options
.
mode
==
FormattedPassphraseForcedOn
);
}
void
PinEntryDialog
::
setConstraintsOptions
(
const
ConstraintsOptions
&
options
)
{
mEnforceConstraints
=
options
.
enforce
;
mConstraintsHint
->
setText
(
options
.
shortHint
);
mConstraintsHint
->
setToolTip
(
QLatin1String
(
"<html>"
)
+
options
.
longHint
.
toHtmlEscaped
().
replace
(
QLatin1String
(
"
\n\n
"
),
QLatin1String
(
"<br>"
))
+
QLatin1String
(
"</html>"
));
mConstraintsHint
->
setAccessibleDescription
(
options
.
longHint
);
mConstraintsErrorTitle
=
options
.
errorTitle
;
mConstraintsHint
->
setVisible
(
mEnforceConstraints
&&
!
options
.
shortHint
.
isEmpty
());
}
void
PinEntryDialog
::
toggleFormattedPassphrase
()
{
const
bool
enableFormatting
=
mFormattedPassphraseCB
->
isChecked
()
&&
_edit
->
echoMode
()
==
QLineEdit
::
Normal
;
_edit
->
setFormattedPassphrase
(
enableFormatting
);
if
(
mRepeat
)
{
mRepeat
->
setFormattedPassphrase
(
enableFormatting
);
const
bool
hintAboutToBeHidden
=
mFormattedPassphraseHint
->
isVisible
()
&&
!
enableFormatting
;
if
(
hintAboutToBeHidden
)
{
// set hint spacer to current height of hint label before hiding the hint
mFormattedPassphraseHintSpacer
->
setMinimumHeight
(
mFormattedPassphraseHint
->
height
());
mFormattedPassphraseHintSpacer
->
setVisible
(
true
);
}
else
if
(
enableFormatting
)
{
mFormattedPassphraseHintSpacer
->
setVisible
(
false
);
}
mFormattedPassphraseHint
->
setVisible
(
enableFormatting
);
}
}
void
PinEntryDialog
::
onBackspace
()
{
cancelTimeout
();
if
(
_disable_echo_allowed
)
{
_edit
->
setEchoMode
(
QLineEdit
::
NoEcho
);
if
(
mRepeat
)
{
mRepeat
->
setEchoMode
(
QLineEdit
::
NoEcho
);
}
}
}
void
PinEntryDialog
::
updateQuality
(
const
QString
&
txt
)
{
int
length
;
int
percent
;
QPalette
pal
;
_disable_echo_allowed
=
false
;
if
(
!
_have_quality_bar
||
!
_pinentry_info
)
{
return
;
}
const
QByteArray
utf8_pin
=
txt
.
toUtf8
();
const
char
*
pin
=
utf8_pin
.
constData
();
length
=
strlen
(
pin
);
percent
=
length
?
pinentry_inq_quality
(
_pinentry_info
,
pin
,
length
)
:
0
;
if
(
!
length
)
{
_quality_bar
->
reset
();
}
else
{
pal
=
_quality_bar
->
palette
();
if
(
percent
<
0
)
{
pal
.
setColor
(
QPalette
::
Highlight
,
QColor
(
"red"
));
percent
=
-
percent
;
}
else
{
pal
.
setColor
(
QPalette
::
Highlight
,
QColor
(
"green"
));
}
_quality_bar
->
setPalette
(
pal
);
_quality_bar
->
setValue
(
percent
);
}
}
void
PinEntryDialog
::
setPinentryInfo
(
pinentry_t
peinfo
)
{
_pinentry_info
=
peinfo
;
}
void
PinEntryDialog
::
focusChanged
(
QWidget
*
old
,
QWidget
*
now
)
{
// Grab keyboard. It might be a little weird to do it here, but it works!
// Previously this code was in showEvent, but that did not work in Qt4.
if
(
!
_pinentry_info
||
_pinentry_info
->
grab
)
{
if
(
_grabbed
&&
old
&&
(
old
==
_edit
||
old
==
mRepeat
))
{
old
->
releaseKeyboard
();
_grabbed
=
false
;
}
if
(
!
_grabbed
&&
now
&&
(
now
==
_edit
||
now
==
mRepeat
))
{
now
->
grabKeyboard
();
_grabbed
=
true
;
}
}
// make Ok the default button unless we have a repeat input field and
// the first input field has focus now; this allows us to move the focus
// to the repeat input field when the user presses Return in the first
// input field; otherwise, the dialog would "press" Ok when it receives
// the Return key press
_ok
->
setDefault
(
!
mRepeat
||
now
!=
_edit
);
}
void
PinEntryDialog
::
textChanged
(
const
QString
&
text
)
{
Q_UNUSED
(
text
);
cancelTimeout
();
if
(
mVisiActionEdit
&&
sender
()
==
_edit
)
{
mVisiActionEdit
->
setVisible
(
!
_edit
->
pin
().
isEmpty
());
}
if
(
mGenerateButton
)
{
mGenerateButton
->
setVisible
(
_edit
->
pin
().
isEmpty
()
&&
!
mGenerateButton
->
accessibleName
().
isEmpty
());
}
}
void
PinEntryDialog
::
generatePin
()
{
unique_malloced_ptr
<
char
>
pin
{
pinentry_inq_genpin
(
_pinentry_info
)};
if
(
pin
)
{
if
(
_edit
->
echoMode
()
==
QLineEdit
::
Password
)
{
toggleVisibility
();
}
const
auto
pinStr
=
QString
::
fromUtf8
(
pin
.
get
());
_edit
->
setPin
(
pinStr
);
mRepeat
->
setPin
(
pinStr
);
if
(
mFormattedPassphraseCB
->
isEnabled
()
&&
!
mFormattedPassphraseCB
->
isChecked
())
{
mFormattedPassphraseCB
->
setChecked
(
true
);
}
// explicitly focus the first input field and select the generated password
_edit
->
setFocus
();
_edit
->
selectAll
();
}
}
void
PinEntryDialog
::
toggleVisibility
()
{
if
(
sender
()
!=
mVisiCB
)
{
if
(
_edit
->
echoMode
()
==
QLineEdit
::
Password
)
{
mVisiActionEdit
->
setIcon
(
QIcon
::
fromTheme
(
QLatin1String
(
"hint"
)));
mVisiActionEdit
->
setToolTip
(
mHideTT
);
_edit
->
setEchoMode
(
QLineEdit
::
Normal
);
if
(
mRepeat
)
{
mRepeat
->
setEchoMode
(
QLineEdit
::
Normal
);
}
}
else
{
mVisiActionEdit
->
setIcon
(
QIcon
::
fromTheme
(
QLatin1String
(
"visibility"
)));
mVisiActionEdit
->
setToolTip
(
mVisibilityTT
);
_edit
->
setEchoMode
(
QLineEdit
::
Password
);
if
(
mRepeat
)
{
mRepeat
->
setEchoMode
(
QLineEdit
::
Password
);
}
}
}
else
{
if
(
mVisiCB
->
isChecked
())
{
if
(
mRepeat
)
{
mRepeat
->
setEchoMode
(
QLineEdit
::
Normal
);
}
_edit
->
setEchoMode
(
QLineEdit
::
Normal
);
}
else
{
if
(
mRepeat
)
{
mRepeat
->
setEchoMode
(
QLineEdit
::
Password
);
}
_edit
->
setEchoMode
(
QLineEdit
::
Password
);
}
}
toggleFormattedPassphrase
();
}
QString
PinEntryDialog
::
repeatedPin
()
const
{
if
(
mRepeat
)
{
return
mRepeat
->
pin
();
}
return
QString
();
}
bool
PinEntryDialog
::
timedOut
()
const
{
return
_timed_out
;
}
void
PinEntryDialog
::
setRepeatErrorText
(
const
QString
&
err
)
{
mRepeatError
->
setText
(
err
);
}
void
PinEntryDialog
::
cancelTimeout
()
{
if
(
_timer
)
{
_timer
->
stop
();
}
}
void
PinEntryDialog
::
checkCapsLock
()
{
const
auto
state
=
capsLockState
();
if
(
state
!=
LockState
::
Unknown
)
{
mCapsLockHint
->
setVisible
(
state
==
LockState
::
On
);
}
}
void
PinEntryDialog
::
onAccept
()
{
cancelTimeout
();
if
(
mRepeat
&&
mRepeat
->
pin
()
!=
_edit
->
pin
())
{
if
(
QAccessible
::
isActive
())
{
QMessageBox
::
information
(
this
,
mRepeatError
->
text
(),
mRepeatError
->
text
());
}
else
{
mRepeatError
->
setVisible
(
true
);
}
return
;
}
const
auto
result
=
checkConstraints
();
if
(
result
!=
PassphraseNotOk
)
{
accept
();
}
}
PinEntryDialog
::
PassphraseCheckResult
PinEntryDialog
::
checkConstraints
()
{
if
(
!
mEnforceConstraints
)
{
return
PassphraseNotChecked
;
}
const
auto
passphrase
=
_edit
->
pin
().
toUtf8
();
unique_malloced_ptr
<
char
>
error
{
pinentry_inq_checkpin
(
_pinentry_info
,
passphrase
.
constData
(),
passphrase
.
size
())};
if
(
!
error
)
{
return
PassphraseOk
;
}
const
auto
messageLines
=
QString
::
fromUtf8
(
QByteArray
::
fromPercentEncoding
(
error
.
get
())).
split
(
QChar
{
'\n'
});
if
(
messageLines
.
isEmpty
())
{
// shouldn't happen because pinentry_inq_checkpin() either returns NULL or a non-empty string
return
PassphraseOk
;
}
const
auto
firstLine
=
messageLines
.
first
();
const
auto
indexOfFirstNonEmptyAdditionalLine
=
messageLines
.
indexOf
(
QRegularExpression
{
QStringLiteral
(
".*
\\
S.*"
)},
1
);
const
auto
additionalLines
=
indexOfFirstNonEmptyAdditionalLine
>
0
?
messageLines
.
mid
(
indexOfFirstNonEmptyAdditionalLine
).
join
(
QChar
{
'\n'
})
:
QString
{};
QMessageBox
messageBox
;
messageBox
.
setIcon
(
QMessageBox
::
Information
);
messageBox
.
setWindowTitle
(
mConstraintsErrorTitle
);
messageBox
.
setText
(
firstLine
);
messageBox
.
setInformativeText
(
additionalLines
);
messageBox
.
setStandardButtons
(
QMessageBox
::
Ok
);
messageBox
.
exec
();
return
PassphraseNotOk
;
}
#include
"pinentrydialog.moc"
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Expires
Sun, Jan 18, 11:47 PM (6 h, 55 m)
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Storage Handle
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Attached To
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