/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* This file incorporates work covered by the following license notice :
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* Licensed to the Apache Software Foundation ( ASF ) under one or more
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#ifndef INCLUDED_SVL_PASSWORDHELPER_HXX
#define INCLUDED_SVL_PASSWORDHELPER_HXX
#include <sal/config.h>
#include <string_view>
#include <optional>
#include <svl/svldllapi.h>
#include <sal/types.h>
#include <com/sun/star/uno/Sequence.hxx>
class SvPasswordHelper
{
static void GetHashPasswordLittleEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
static void GetHashPasswordBigEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
public :
SVL_DLLPUBLIC static void GetHashPassword(css::uno::Sequence <sal_Int8>& rPassHash, const char * pPass, sal_uInt32 nLen);
SVL_DLLPUBLIC static void GetHashPassword(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
SVL_DLLPUBLIC static void GetHashPasswordSHA1UTF8(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
SVL_DLLPUBLIC static void GetHashPasswordSHA256(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
/**
Use this method to compare a given string with another given Hash value .
This is necessary , because in older versions exists different hashes of the same string . They were endian dependent .
We need this to handle old files . This method will compare against big and
little endian UTF - 16 .
tdf # 115483 : also check 2 different new ways of hashing that were added in
ODF 1 . 2 , requiring UTF - 8 encoding .
*/
SVL_DLLPUBLIC static bool CompareHashPassword(const css::uno::Sequence<sal_Int8>& rOldPassHash, std::u16string_view sNewPass);
/** Get password strength percentage
Maps the calculated password entropy bit amount to password strength percentage :
0 bits - > 0 %
> = 112 bits - > 100 %
@ param pPassword null terminated password string .
@ returns Password strength percentage in the range [ 0 . 0 , 100 . 0 ]
*/
SVL_DLLPUBLIC static double GetPasswordStrengthPercentage(const char * pPassword);
SVL_DLLPUBLIC static double GetPasswordStrengthPercentage(const OUString& aPassword);
/** Checks if the password meets the password policies
@ param pPassword null terminated password string .
@ param oPasswordPolicy Regular expression string that defines the password policy .
@ returns true if password meets the policy or there is no policy enforced .
*/
SVL_DLLPUBLIC static bool PasswordMeetsPolicy(const char * pPassword,
const std::optional<OUString>& oPasswordPolicy);
SVL_DLLPUBLIC static bool PasswordMeetsPolicy(const OUString& aPassword,
const std::optional<OUString>& oPasswordPolicy);
};
#endif
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