mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2026-03-11 08:54:48 +00:00
da9afd3f6f
This patch aims at reducing the number of copies for obejcts that could be referenced rather than copied, because they're not modified during the computation.
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/*
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* Copyright (C) 2013 Felix Geyer <debfx@fobos.de>
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* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef KEEPASSX_PASSWORDGENERATOR_H
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#define KEEPASSX_PASSWORDGENERATOR_H
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#include <QFlags>
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#include <QString>
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#include <QVector>
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typedef QVector<QChar> PasswordGroup;
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class PasswordGenerator
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{
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public:
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enum CharClass
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{
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LowerLetters = (1 << 0),
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UpperLetters = (1 << 1),
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Numbers = (1 << 2),
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Braces = (1 << 3),
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Punctuation = (1 << 4),
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Quotes = (1 << 5),
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Dashes = (1 << 6),
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Math = (1 << 7),
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Logograms = (1 << 8),
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SpecialCharacters = Braces | Punctuation | Quotes | Dashes | Math | Logograms,
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EASCII = (1 << 9),
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DefaultCharset = LowerLetters | UpperLetters | Numbers
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};
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Q_DECLARE_FLAGS(CharClasses, CharClass)
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enum GeneratorFlag
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{
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ExcludeLookAlike = (1 << 0),
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CharFromEveryGroup = (1 << 1),
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AdvancedMode = (1 << 2),
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DefaultFlags = ExcludeLookAlike | CharFromEveryGroup
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};
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Q_DECLARE_FLAGS(GeneratorFlags, GeneratorFlag)
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public:
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PasswordGenerator();
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double calculateEntropy(const QString& password);
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void setLength(int length);
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void setCharClasses(const CharClasses& classes);
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void setFlags(const GeneratorFlags& flags);
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void setExcludedChars(const QString& chars);
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bool isValid() const;
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QString generatePassword() const;
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static const int DefaultLength = 16;
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static const char* DefaultExcludedChars;
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static constexpr bool DefaultLower = (DefaultCharset & LowerLetters) != 0;
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static constexpr bool DefaultUpper = (DefaultCharset & UpperLetters) != 0;
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static constexpr bool DefaultNumbers = (DefaultCharset & Numbers) != 0;
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static constexpr bool DefaultSpecial = (DefaultCharset & SpecialCharacters) != 0;
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static constexpr bool DefaultAdvancedMode = (DefaultFlags & AdvancedMode) != 0;
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static constexpr bool DefaultBraces = (DefaultCharset & Braces) != 0;
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static constexpr bool DefaultPunctuation = (DefaultCharset & Punctuation) != 0;
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static constexpr bool DefaultQuotes = (DefaultCharset & Quotes) != 0;
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static constexpr bool DefaultDashes = (DefaultCharset & Dashes) != 0;
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static constexpr bool DefaultMath = (DefaultCharset & Math) != 0;
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static constexpr bool DefaultLogograms = (DefaultCharset & Logograms) != 0;
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static constexpr bool DefaultEASCII = (DefaultCharset & EASCII) != 0;
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static constexpr bool DefaultLookAlike = (DefaultFlags & ExcludeLookAlike) != 0;
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static constexpr bool DefaultFromEveryGroup = (DefaultFlags & CharFromEveryGroup) != 0;
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private:
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QVector<PasswordGroup> passwordGroups() const;
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int numCharClasses() const;
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int m_length;
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CharClasses m_classes;
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GeneratorFlags m_flags;
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QString m_excluded;
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Q_DISABLE_COPY(PasswordGenerator)
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(PasswordGenerator::CharClasses)
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Q_DECLARE_OPERATORS_FOR_FLAGS(PasswordGenerator::GeneratorFlags)
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#endif // KEEPASSX_PASSWORDGENERATOR_H
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