106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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* Copyright (C) 2019 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS 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 3 of the License, or
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* (at your option) any later version.
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*
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* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file contains some classes in order to get info from file using the libavconv */
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#include "AuthService.hpp"
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#include <iomanip>
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#include <Wt/Auth/HashFunction.h>
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#include <Wt/Auth/PasswordStrengthValidator.h>
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#include <Wt/Utils.h>
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#include "database/Session.hpp"
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#include "utils/Utils.hpp"
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#include "utils/Logger.hpp"
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namespace Auth {
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AuthService::AuthService(std::size_t maxThrottlerEntries)
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: _loginThrottler {maxThrottlerEntries}
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{
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}
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AuthService::PasswordCheckResult
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AuthService::checkUserPassword(Database::Session& session, const boost::asio::ip::address& clientAddress, const std::string& loginName, const std::string& password)
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{
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if (_loginThrottler.isClientThrottled(clientAddress))
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return PasswordCheckResult::Throttled;
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Database::User::PasswordHash passwordHash;
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{
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auto transaction {session.createSharedTransaction()};
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const Database::User::pointer user {Database::User::getByLoginName(session, loginName)};
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if (!user)
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{
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_loginThrottler.onBadClientAttempt(clientAddress);
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return PasswordCheckResult::Mismatch;
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}
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passwordHash = user->getPasswordHash();
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}
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const Wt::Auth::BCryptHashFunction hashFunc {6};
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if (hashFunc.verify(password, passwordHash.salt, passwordHash.hash))
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{
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_loginThrottler.onGoodClientAttempt(clientAddress);
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return PasswordCheckResult::Match;
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}
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else
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{
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_loginThrottler.onBadClientAttempt(clientAddress);
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return PasswordCheckResult::Mismatch;
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}
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}
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Database::User::PasswordHash
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AuthService::hashPassword(const std::string& password) const
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{
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std::array<std::uint8_t, 16> buffer;
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fillRandom(buffer);
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std::ostringstream oss;
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for (std::uint8_t b : buffer)
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oss << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(b);
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const std::string salt {Wt::Utils::base64Encode(oss.str(), false)};
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const Wt::Auth::BCryptHashFunction hashFunc {6};
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return {salt, hashFunc.compute(password, salt)};
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}
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bool
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AuthService::evaluatePasswordStrength(const std::string& loginName, const std::string& password) const
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{
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Wt::Auth::PasswordStrengthValidator validator;
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validator.setMinimumLength(Wt::Auth::PasswordStrengthType::OneCharClass, 4);
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validator.setMinimumLength(Wt::Auth::PasswordStrengthType::TwoCharClass, 4);
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validator.setMinimumLength(Wt::Auth::PasswordStrengthType::PassPhrase, 4);
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validator.setMinimumLength(Wt::Auth::PasswordStrengthType::ThreeCharClass, 4);
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validator.setMinimumLength(Wt::Auth::PasswordStrengthType::FourCharClass, 4);
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validator.setMinimumPassPhraseWords(1);
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validator.setMinimumMatchLength(3);
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return validator.evaluateStrength(password, loginName, "").isValid();
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}
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} // namespace Auth
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