diff options
Diffstat (limited to 'sc/source/filter/excel/xeroot.cxx')
| -rw-r--r-- | sc/source/filter/excel/xeroot.cxx | 64 |
1 files changed, 56 insertions, 8 deletions
diff --git a/sc/source/filter/excel/xeroot.cxx b/sc/source/filter/excel/xeroot.cxx index 4b6169ceb20a..d72f9c77d61d 100644 --- a/sc/source/filter/excel/xeroot.cxx +++ b/sc/source/filter/excel/xeroot.cxx @@ -29,7 +29,10 @@ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_sc.hxx" +#include <rtl/random.h> #include <sfx2/docfile.hxx> +#include <sfx2/request.hxx> +#include <sfx2/frame.hxx> #include <sfx2/sfxsids.hrc> #include <unotools/saveopt.hxx> #include <svl/itemset.hxx> @@ -52,6 +55,8 @@ #include "document.hxx" #include "scextopt.hxx" +using namespace ::com::sun::star; + // Global data ================================================================ XclExpRootData::XclExpRootData( XclBiff eBiff, SfxMedium& rMedium, @@ -242,23 +247,66 @@ bool XclExpRoot::IsDocumentEncrypted() const if (pDocProt && pDocProt->isProtected() && pDocProt->isOptionEnabled(ScDocProtection::STRUCTURE)) return true; - if (GetPassword().Len() > 0) + if ( GetEncryptionData().getLength() > 0 ) // Password is entered directly into the save dialog. return true; return false; } -String XclExpRoot::GetPassword() const +uno::Sequence< beans::NamedValue > XclExpRoot::GenerateEncryptionData( const ::rtl::OUString& aPass ) const { - if( SfxItemSet* pItemSet = GetMedium().GetItemSet() ) + uno::Sequence< beans::NamedValue > aEncryptionData; + + if ( aPass.getLength() > 0 && aPass.getLength() < 16 ) { - const SfxPoolItem* pItem = 0; - if( pItemSet->GetItemState( SID_PASSWORD, TRUE, &pItem ) == SFX_ITEM_SET ) - if( const SfxStringItem* pStrItem = dynamic_cast< const SfxStringItem* >( pItem ) ) - return pStrItem->GetValue(); + TimeValue aTime; + osl_getSystemTime( &aTime ); + rtlRandomPool aRandomPool = rtl_random_createPool (); + rtl_random_addBytes ( aRandomPool, &aTime, 8 ); + + sal_uInt8 pnDocId[16]; + rtl_random_getBytes( aRandomPool, pnDocId, 16 ); + + rtl_random_destroyPool( aRandomPool ); + + sal_uInt16 pnPasswd[16]; + memset( pnPasswd, 0, sizeof( pnPasswd ) ); + for (xub_StrLen nChar = 0; nChar < aPass.getLength(); ++nChar ) + pnPasswd[nChar] = aPass.getStr()[nChar]; + + ::msfilter::MSCodec_Std97 aCodec; + aCodec.InitKey( pnPasswd, pnDocId ); + aEncryptionData = aCodec.GetEncryptionData(); } - return String::EmptyString(); + + return aEncryptionData; +} + +uno::Sequence< beans::NamedValue > XclExpRoot::GetEncryptionData() const +{ + uno::Sequence< beans::NamedValue > aEncryptionData; + SFX_ITEMSET_ARG( GetMedium().GetItemSet(), pEncryptionDataItem, SfxUnoAnyItem, SID_ENCRYPTIONDATA, false ); + if ( pEncryptionDataItem ) + pEncryptionDataItem->GetValue() >>= aEncryptionData; + else + { + // try to get the encryption data from the password + SFX_ITEMSET_ARG( GetMedium().GetItemSet(), pPasswordItem, SfxStringItem, SID_PASSWORD, false ); + if ( pPasswordItem && pPasswordItem->GetValue().Len() ) + aEncryptionData = GenerateEncryptionData( pPasswordItem->GetValue() ); + } + + return aEncryptionData; +} + +uno::Sequence< beans::NamedValue > XclExpRoot::GenerateDefaultEncryptionData() const +{ + uno::Sequence< beans::NamedValue > aEncryptionData; + if ( GetDefaultPassword().Len() > 0 ) + aEncryptionData = GenerateEncryptionData( GetDefaultPassword() ); + + return aEncryptionData; } XclExpRootData::XclExpLinkMgrRef XclExpRoot::GetLocalLinkMgrRef() const |