84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
|
/* === This file is part of Calamares - <https://github.com/calamares> ===
|
||
|
|
*
|
||
|
|
* Copyright 2018, Adriaan de Groot <groot@kde.org>
|
||
|
|
*
|
||
|
|
* Calamares 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 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef CHECKPWQUALITY_H
|
||
|
|
#define CHECKPWQUALITY_H
|
||
|
|
|
||
|
|
#include <QString>
|
||
|
|
#include <QVariant>
|
||
|
|
#include <QVector>
|
||
|
|
|
||
|
|
#include <functional>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Support for (dynamic) checks on the password's validity.
|
||
|
|
* This can be used to implement password requirements like
|
||
|
|
* "at least 6 characters". Function addPasswordCheck()
|
||
|
|
* instantiates these and adds them to the list of checks.
|
||
|
|
*/
|
||
|
|
class PasswordCheck
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/** Return true if the string is acceptable. */
|
||
|
|
using AcceptFunc = std::function<bool( const QString& )>;
|
||
|
|
using MessageFunc = std::function<QString()>;
|
||
|
|
|
||
|
|
/** Generate a @p message if @p filter returns true */
|
||
|
|
PasswordCheck( MessageFunc message, AcceptFunc filter );
|
||
|
|
/** Yields @p message if @p filter returns true */
|
||
|
|
PasswordCheck( const QString& message, AcceptFunc filter );
|
||
|
|
/** Null check, always returns empty */
|
||
|
|
PasswordCheck();
|
||
|
|
|
||
|
|
/** Applies this check to the given password string @p s
|
||
|
|
* and returns an empty string if the password is ok
|
||
|
|
* according to this filter. Returns a message describing
|
||
|
|
* what is wrong if not.
|
||
|
|
*/
|
||
|
|
QString filter( const QString& s ) const
|
||
|
|
{
|
||
|
|
return m_accept( s ) ? QString() : m_message();
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
MessageFunc m_message;
|
||
|
|
AcceptFunc m_accept;
|
||
|
|
} ;
|
||
|
|
|
||
|
|
using PasswordCheckList = QVector<PasswordCheck>;
|
||
|
|
|
||
|
|
/* Each of these functions adds a check (if possible) to the list
|
||
|
|
* of checks; they use the configuration value(s) from the
|
||
|
|
* variant. If the value doesn't make sense, each function
|
||
|
|
* may skip adding a check, and do nothing (it should log
|
||
|
|
* an error, though).
|
||
|
|
*/
|
||
|
|
#define _xDEFINE_CHECK_FUNC(x) \
|
||
|
|
add_check_##x( QWidget* parent, PasswordCheckList& checks, const QVariant& value )
|
||
|
|
#define DEFINE_CHECK_FUNC(x) void _xDEFINE_CHECK_FUNC(x)
|
||
|
|
#define DECLARE_CHECK_FUNC(x) void _xDEFINE_CHECK_FUNC(x);
|
||
|
|
|
||
|
|
DECLARE_CHECK_FUNC(minLength)
|
||
|
|
DECLARE_CHECK_FUNC(maxLength)
|
||
|
|
#ifdef HAVE_LIBPWQUALITY
|
||
|
|
DECLARE_CHECK_FUNC(libpwquality)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|