80 lines
3.6 KiB
C++
80 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVL_PASSWORDHELPER_HXX
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#define INCLUDED_SVL_PASSWORDHELPER_HXX
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#include <sal/config.h>
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#include <string_view>
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#include <optional>
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#include <svl/svldllapi.h>
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#include <sal/types.h>
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#include <com/sun/star/uno/Sequence.hxx>
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class SvPasswordHelper
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{
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static void GetHashPasswordLittleEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
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static void GetHashPasswordBigEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
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public:
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SVL_DLLPUBLIC static void GetHashPassword(css::uno::Sequence <sal_Int8>& rPassHash, const char* pPass, sal_uInt32 nLen);
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SVL_DLLPUBLIC static void GetHashPassword(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
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SVL_DLLPUBLIC static void GetHashPasswordSHA1UTF8(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
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SVL_DLLPUBLIC static void GetHashPasswordSHA256(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
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/**
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Use this method to compare a given string with another given Hash value.
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This is necessary, because in older versions exists different hashes of the same string. They were endian dependent.
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We need this to handle old files. This method will compare against big and
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little endian UTF-16.
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tdf#115483: also check 2 different new ways of hashing that were added in
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ODF 1.2, requiring UTF-8 encoding.
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*/
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SVL_DLLPUBLIC static bool CompareHashPassword(const css::uno::Sequence<sal_Int8>& rOldPassHash, std::u16string_view sNewPass);
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/** Get password strength percentage
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Maps the calculated password entropy bit amount to password strength percentage:
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0 bits -> 0%
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>= 112 bits -> 100%
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@param pPassword null terminated password string.
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@returns Password strength percentage in the range [0.0, 100.0]
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*/
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SVL_DLLPUBLIC static double GetPasswordStrengthPercentage(const char* pPassword);
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SVL_DLLPUBLIC static double GetPasswordStrengthPercentage(const OUString& aPassword);
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/** Checks if the password meets the password policies
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@param pPassword null terminated password string.
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@param oPasswordPolicy Regular expression string that defines the password policy.
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@returns true if password meets the policy or there is no policy enforced.
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*/
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SVL_DLLPUBLIC static bool PasswordMeetsPolicy(const char* pPassword,
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const std::optional<OUString>& oPasswordPolicy);
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SVL_DLLPUBLIC static bool PasswordMeetsPolicy(const OUString& aPassword,
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const std::optional<OUString>& oPasswordPolicy);
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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