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keepassxc/tests/TestPasswordGenerator.cpp

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/*
* Copyright (C) 2018 KeePassXC Team <team@keepassxc.org>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "TestPasswordGenerator.h"
#include "crypto/Crypto.h"
#include <QRegularExpression>
#include <QTest>
QTEST_GUILESS_MAIN(TestPasswordGenerator)
Q_DECLARE_METATYPE(PasswordGenerator::CharClasses)
Q_DECLARE_METATYPE(PasswordGenerator::GeneratorFlags)
namespace
{
PasswordGenerator::CharClasses to_flags(PasswordGenerator::CharClass x)
{
return x;
}
PasswordGenerator::GeneratorFlags to_flags(PasswordGenerator::GeneratorFlag x)
{
return x;
}
} // namespace
void TestPasswordGenerator::initTestCase()
{
QVERIFY(Crypto::init());
}
void TestPasswordGenerator::init()
{
m_generator.reset();
}
void TestPasswordGenerator::testCustomCharacterSet_data()
{
QTest::addColumn<PasswordGenerator::CharClasses>("activeCharacterClasses");
QTest::addColumn<QString>("customCharacterSet");
QTest::addColumn<QRegularExpression>("expected");
QTest::addRow("With active classes") << to_flags(PasswordGenerator::CharClass::UpperLetters) << "abc"
<< QRegularExpression("^[abcA-Z]{2000}$");
QTest::addRow("Without any active class")
<< to_flags(PasswordGenerator::CharClass::NoClass) << "abc" << QRegularExpression("^[abc]{2000}$");
}
void TestPasswordGenerator::testCustomCharacterSet()
{
QFETCH(PasswordGenerator::CharClasses, activeCharacterClasses);
QFETCH(QString, customCharacterSet);
QFETCH(QRegularExpression, expected);
m_generator.setCharClasses(activeCharacterClasses);
m_generator.setCustomCharacterSet(customCharacterSet);
m_generator.setLength(2000);
QVERIFY(m_generator.isValid());
QString password = m_generator.generatePassword();
QCOMPARE(password.size(), 2000);
QVERIFY(expected.match(password).hasMatch());
}
void TestPasswordGenerator::testCharClasses_data()
{
QTest::addColumn<PasswordGenerator::CharClasses>("activeCharacterClasses");
QTest::addColumn<QRegularExpression>("expected");
QTest::addRow("Lower Letters") << to_flags(PasswordGenerator::CharClass::LowerLetters)
<< QRegularExpression(R"(^[a-z]{2000}$)");
QTest::addRow("Upper Letters") << to_flags(PasswordGenerator::CharClass::UpperLetters)
<< QRegularExpression(R"(^[A-Z]{2000}$)");
QTest::addRow("Numbers") << to_flags(PasswordGenerator::CharClass::Numbers) << QRegularExpression(R"(^\d{2000}$)");
QTest::addRow("Braces") << to_flags(PasswordGenerator::CharClass::Braces)
<< QRegularExpression(R"(^[\(\)\[\]\{\}]{2000}$)");
QTest::addRow("Punctuation") << to_flags(PasswordGenerator::CharClass::Punctuation)
<< QRegularExpression(R"(^[\.,:;]{2000}$)");
QTest::addRow("Quotes") << to_flags(PasswordGenerator::CharClass::Quotes) << QRegularExpression(R"(^["']{2000}$)");
QTest::addRow("Dashes") << to_flags(PasswordGenerator::CharClass::Dashes)
<< QRegularExpression(R"(^[\-/\\_|]{2000}$)");
QTest::addRow("Math") << to_flags(PasswordGenerator::CharClass::Math) << QRegularExpression(R"(^[!\*\+\-<=>\?]+$)");
QTest::addRow("Logograms") << to_flags(PasswordGenerator::CharClass::Logograms)
<< QRegularExpression(R"(^[#`~%&^$@]{2000}$)");
QTest::addRow("Extended ASCII") << to_flags(PasswordGenerator::CharClass::EASCII)
<< QRegularExpression(R"(^[^a-zA-Z0-9\.,:;"'\-/\\_|!\*\+\-<=>\?#`~%&^$@]{2000}$)");
QTest::addRow("Combinations 1") << (PasswordGenerator::CharClass::LowerLetters
| PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Braces)
<< QRegularExpression(R"(^[a-zA-Z\(\)\[\]\{\}]{2000}$)");
QTest::addRow("Combinations 2") << (PasswordGenerator::CharClass::Quotes | PasswordGenerator::CharClass::Numbers
| PasswordGenerator::CharClass::Dashes)
<< QRegularExpression(R"(^["'\d\-/\\_|]{2000}$)");
}
void TestPasswordGenerator::testCharClasses()
{
QFETCH(PasswordGenerator::CharClasses, activeCharacterClasses);
QFETCH(QRegularExpression, expected);
m_generator.setCharClasses(activeCharacterClasses);
m_generator.setLength(2000);
QVERIFY(m_generator.isValid());
QString password = m_generator.generatePassword();
QCOMPARE(password.size(), 2000);
QVERIFY(expected.match(password).hasMatch());
}
void TestPasswordGenerator::testLookalikeExclusion_data()
{
QTest::addColumn<PasswordGenerator::CharClasses>("activeCharacterClasses");
QTest::addColumn<QRegularExpression>("expected");
QTest::addRow("Upper Letters") << (PasswordGenerator::CharClass::LowerLetters
| PasswordGenerator::CharClass::UpperLetters)
<< QRegularExpression("^[^lBGIO]{2000}$");
QTest::addRow("Letters and Numbers") << (PasswordGenerator::CharClass::LowerLetters
| PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Numbers)
<< QRegularExpression("^[^lBGIO0168]{2000}$");
QTest::addRow("Letters, Numbers and extended ASCII")
<< (PasswordGenerator::CharClass::LowerLetters | PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Numbers | PasswordGenerator::CharClass::EASCII)
<< QRegularExpression("^[^lBGIO0168﹒]{2000}$");
}
void TestPasswordGenerator::testLookalikeExclusion()
{
QFETCH(PasswordGenerator::CharClasses, activeCharacterClasses);
QFETCH(QRegularExpression, expected);
m_generator.setFlags(PasswordGenerator::ExcludeLookAlike);
m_generator.setCharClasses(activeCharacterClasses);
m_generator.setLength(2000);
QVERIFY(m_generator.isValid());
QString password = m_generator.generatePassword();
QCOMPARE(password.size(), 2000);
QVERIFY(expected.match(password).hasMatch());
}
void TestPasswordGenerator::testValidity_data()
{
QTest::addColumn<PasswordGenerator::CharClasses>("activeCharacterClasses");
QTest::addColumn<PasswordGenerator::GeneratorFlags>("generatorFlags");
QTest::addColumn<QString>("customCharacterSet");
QTest::addColumn<QString>("excludedCharacters");
QTest::addColumn<int>("length");
QTest::addColumn<bool>("isValid");
QTest::addRow("No active class") << to_flags(PasswordGenerator::CharClass::NoClass)
<< PasswordGenerator::GeneratorFlags() << QString() << QString()
<< PasswordGenerator::DefaultLength << false;
QTest::addRow("0 length") << to_flags(PasswordGenerator::CharClass::DefaultCharset)
<< PasswordGenerator::GeneratorFlags() << QString() << QString() << 0 << false;
QTest::addRow("All active classes excluded")
<< to_flags(PasswordGenerator::CharClass::Numbers) << PasswordGenerator::GeneratorFlags() << QString()
<< QString("0123456789") << PasswordGenerator::DefaultLength << false;
QTest::addRow("All active classes excluded")
<< to_flags(PasswordGenerator::CharClass::NoClass) << PasswordGenerator::GeneratorFlags() << QString()
<< QString("0123456789") << PasswordGenerator::DefaultLength << false;
QTest::addRow("One from every class with too few classes")
<< (PasswordGenerator::CharClass::LowerLetters | PasswordGenerator::CharClass::UpperLetters)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString() << QString() << 1 << false;
QTest::addRow("One from every class with excluded classes")
<< (PasswordGenerator::CharClass::LowerLetters | PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Numbers)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString() << QString("0123456789") << 2
<< true;
QTest::addRow("Defaults valid") << to_flags(PasswordGenerator::CharClass::DefaultCharset)
<< to_flags(PasswordGenerator::GeneratorFlag::DefaultFlags)
<< PasswordGenerator::DefaultCustomCharacterSet
<< PasswordGenerator::DefaultExcludedChars << PasswordGenerator::DefaultLength
<< true;
QTest::addRow("No active classes but custom charset")
<< to_flags(PasswordGenerator::CharClass::NoClass) << to_flags(PasswordGenerator::GeneratorFlag::DefaultFlags)
<< QString("a") << QString() << 1 << true;
}
void TestPasswordGenerator::testValidity()
{
QFETCH(PasswordGenerator::CharClasses, activeCharacterClasses);
QFETCH(PasswordGenerator::GeneratorFlags, generatorFlags);
QFETCH(QString, customCharacterSet);
QFETCH(QString, excludedCharacters);
QFETCH(int, length);
QFETCH(bool, isValid);
m_generator.setCharClasses(activeCharacterClasses);
m_generator.setFlags(generatorFlags);
m_generator.setCustomCharacterSet(customCharacterSet);
m_generator.setExcludedCharacterSet(excludedCharacters);
m_generator.setLength(length);
QCOMPARE(m_generator.isValid(), isValid);
}
void TestPasswordGenerator::testMinLength_data()
{
QTest::addColumn<PasswordGenerator::CharClasses>("activeCharacterClasses");
QTest::addColumn<PasswordGenerator::GeneratorFlags>("generatorFlags");
QTest::addColumn<QString>("customCharacterSet");
QTest::addColumn<QString>("excludedCharacters");
QTest::addColumn<int>("expectedMinLength");
QTest::addRow("No restriction without charsFromEveryGroup")
<< to_flags(PasswordGenerator::CharClass::Numbers)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup)
<< PasswordGenerator::DefaultCustomCharacterSet << PasswordGenerator::DefaultExcludedChars << 1;
QTest::addRow("Min length should equal number of active classes")
<< (PasswordGenerator::CharClass::LowerLetters | PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Numbers)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString() << QString() << 3;
QTest::addRow("Classes fully excluded by excluded characters do not count towards min length")
<< (PasswordGenerator::CharClass::Numbers | PasswordGenerator::LowerLetters
| PasswordGenerator::CharClass::UpperLetters)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString() << QString("0123456789") << 2;
QTest::addRow("Custom charset counts as class")
<< to_flags(PasswordGenerator::CharClass::UpperLetters)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString("a") << QString() << 2;
QTest::addRow("Custom characters count even if included by an active class already")
<< (PasswordGenerator::CharClass::LowerLetters | PasswordGenerator::CharClass::UpperLetters
| PasswordGenerator::CharClass::Numbers)
<< to_flags(PasswordGenerator::GeneratorFlag::CharFromEveryGroup) << QString("012345") << QString() << 4;
}
void TestPasswordGenerator::testMinLength()
{
QFETCH(PasswordGenerator::CharClasses, activeCharacterClasses);
QFETCH(PasswordGenerator::GeneratorFlags, generatorFlags);
QFETCH(QString, customCharacterSet);
QFETCH(QString, excludedCharacters);
QFETCH(int, expectedMinLength);
m_generator.setCharClasses(activeCharacterClasses);
m_generator.setFlags(generatorFlags);
m_generator.setCustomCharacterSet(customCharacterSet);
m_generator.setExcludedCharacterSet(excludedCharacters);
QCOMPARE(m_generator.getMinLength(), expectedMinLength);
}
void TestPasswordGenerator::testReset()
{
PasswordGenerator default_generator;
// Modify generator
m_generator.setCharClasses(PasswordGenerator::CharClass::NoClass);
m_generator.setFlags(PasswordGenerator::GeneratorFlag::NoFlags);
m_generator.setCustomCharacterSet("avc");
m_generator.setExcludedCharacterSet("asdv");
m_generator.setLength(m_generator.getLength() + 1);
Q_ASSERT(m_generator.getActiveClasses() != default_generator.getActiveClasses());
Q_ASSERT(m_generator.getFlags() != default_generator.getFlags());
Q_ASSERT(m_generator.getCustomCharacterSet() != default_generator.getCustomCharacterSet());
Q_ASSERT(m_generator.getExcludedCharacterSet() != default_generator.getExcludedCharacterSet());
m_generator.reset();
QCOMPARE(m_generator.getActiveClasses(), default_generator.getActiveClasses());
QCOMPARE(m_generator.getFlags(), default_generator.getFlags());
QCOMPARE(m_generator.getCustomCharacterSet(), default_generator.getCustomCharacterSet());
QCOMPARE(m_generator.getExcludedCharacterSet(), default_generator.getExcludedCharacterSet());
QCOMPARE(m_generator.getLength(), default_generator.getLength());
}
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