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c427000184
The way the class is currently being used, the cache never does anything (because evaluate is never invoked twice for the same entry), so according to YAGNI it has to go. Fixes #551
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/*
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* Copyright (C) 2019 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_PASSWORDHEALTH_H
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#define KEEPASSX_PASSWORDHEALTH_H
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#include <QHash>
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#include <QSharedPointer>
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#include <QStringList>
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class Database;
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class Entry;
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/**
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* Health status of a single password.
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*
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* @see HealthChecker
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*/
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class PasswordHealth
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{
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public:
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explicit PasswordHealth(double entropy);
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explicit PasswordHealth(QString pwd);
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/*
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* The password score is defined to be the greater the better
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* (more secure) the password is. It doesn't have a dimension,
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* there are no defined maximum or minimum values, and score
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* values may change with different versions of the software.
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*/
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int score() const
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{
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return m_score;
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}
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void setScore(int score);
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void adjustScore(int amount);
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/*
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* A text description for the password's quality assessment
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* (translated into the application language), and additional
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* information. Empty if nothing is wrong with the password.
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* May contain more than line, separated by '\n'.
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*/
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QString scoreReason() const;
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void addScoreReason(QString reason);
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QString scoreDetails() const;
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void addScoreDetails(QString details);
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/*
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* The password quality assessment (based on the score).
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*/
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enum class Quality
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{
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Bad,
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Poor,
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Weak,
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Good,
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Excellent
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};
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Quality quality() const;
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/*
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* The password's raw entropy value, in bits.
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*/
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double entropy() const
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{
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return m_entropy;
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}
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private:
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int m_score = 0;
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double m_entropy = 0.0;
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QStringList m_scoreReasons;
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QStringList m_scoreDetails;
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};
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/**
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* Password health check for all entries of a database.
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*
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* @see PasswordHealth
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*/
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class HealthChecker
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{
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public:
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explicit HealthChecker(QSharedPointer<Database>);
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// Get the health status of an entry in the database
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QSharedPointer<PasswordHealth> evaluate(const Entry* entry) const;
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private:
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// To determine password re-use: first = password, second = entries that use it
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QHash<QString, QStringList> m_reuse;
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};
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#endif // KEEPASSX_PASSWORDHEALTH_H
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