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Diffstat (limited to 'package/source/zippackage/zipfileaccess.cxx')
| -rw-r--r-- | package/source/zippackage/zipfileaccess.cxx | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/package/source/zippackage/zipfileaccess.cxx b/package/source/zippackage/zipfileaccess.cxx new file mode 100644 index 000000000000..a219d63dd298 --- /dev/null +++ b/package/source/zippackage/zipfileaccess.cxx @@ -0,0 +1,576 @@ +/************************************************************************* + * + * $RCSfile: zipfileaccess.cxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: kz $ $Date: 2004-05-18 17:22:52 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): Martin Gallwey (gallwey@sun.com) + * + * + ************************************************************************/ + +#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_ +#include <com/sun/star/lang/DisposedException.hpp> +#endif +#ifndef _COM_SUN_STAR_LANG_INVALIDARGUMENTEXCEPTION_HPP_ +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#endif +#ifndef _COM_SUN_STAR_UCB_XCOMMANDENVIRONMENT_HPP_ +#include <com/sun/star/ucb/XCommandEnvironment.hpp> +#endif +#ifndef _COM_SUN_STAR_IO_XACTIVEDATASINK_HPP_ +#include <com/sun/star/io/XActiveDataSink.hpp> +#endif +#ifndef _COM_SUN_STAR_IO_XSTREAM_HPP_ +#include <com/sun/star/io/XStream.hpp> +#endif +#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_ +#include <com/sun/star/io/XSeekable.hpp> +#endif + +#include <zipfileaccess.hxx> +#include <ZipEnumeration.hxx> +#include <ZipPackageSink.hxx> +#include <EncryptionData.hxx> + +#include <ucbhelper/content.hxx> + +#include <memory> + + +using namespace ::com::sun::star; + +extern void copyInputToOutput_Impl( uno::Reference< io::XInputStream >& aIn, uno::Reference< io::XOutputStream >& aOut ); + +uno::Reference< io::XInputStream > GetSeekableTempCopy_Impl( uno::Reference< io::XInputStream > xInStream, + uno::Reference< lang::XMultiServiceFactory > xFactory ) +{ + if ( !xInStream.is() ) + uno::Reference< io::XInputStream >(); + + if ( !xFactory.is() ) + throw uno::RuntimeException(); + + uno::Reference < io::XOutputStream > xTempOut( + xFactory->createInstance ( ::rtl::OUString::createFromAscii( "com.sun.star.io.TempFile" ) ), + uno::UNO_QUERY ); + uno::Reference < io::XInputStream > xTempIn( xTempOut, uno::UNO_QUERY ); + uno::Reference < io::XSeekable > xSeekable( xTempOut, uno::UNO_QUERY ); + + if ( !xTempOut.is() || !xTempIn.is() || !xSeekable.is() ) + throw io::IOException(); + + copyInputToOutput_Impl( xInStream, xTempOut ); + xTempOut->closeOutput(); + xSeekable->seek(0); + + return xTempIn; +} + +// ---------------------------------------------------------------- +OZipFileAccess::OZipFileAccess( const uno::Reference< lang::XMultiServiceFactory >& xFactory ) +: m_xFactory( xFactory ) +, m_pZipFile( NULL ) +, m_pListenersContainer( NULL ) +, m_bDisposed( sal_False ) +{ + if ( !xFactory.is() ) + throw uno::RuntimeException(); +} + +// ---------------------------------------------------------------- +OZipFileAccess::~OZipFileAccess() +{ + { + ::osl::MutexGuard aGuard( m_aMutex ); + if ( !m_bDisposed ) + { + try { + m_refCount++; // dispose will use refcounting so the further distruction must be avoided + dispose(); + } catch( uno::Exception& ) + {} + } + } +} + +// ---------------------------------------------------------------- +EntryHash& OZipFileAccess::GetEntryHash_Impl() +{ + OSL_ENSURE( m_pZipFile, "ZipFile must be set already!\n" ); + if ( !m_aEntries.size() && m_pZipFile ) + { + ::std::auto_ptr< ZipEnumeration > pZipEnum( m_pZipFile->entries() ); + while( pZipEnum->hasMoreElements() ) + { + const ZipEntry* pZipEntry = pZipEnum->nextElement(); + m_aEntries[pZipEntry->sName] = *pZipEntry; + } + } + + return m_aEntries; +} + + +// ---------------------------------------------------------------- +uno::Sequence< ::rtl::OUString > OZipFileAccess::GetPatternsFromString_Impl( const ::rtl::OUString& aString ) +{ + if ( !aString.getLength() ) + return uno::Sequence< ::rtl::OUString >(); + + uno::Sequence< ::rtl::OUString > aPattern( 1 ); + sal_Int32 nInd = 0; + + const sal_Unicode* pString = aString.getStr(); + while( *pString ) + { + if ( *pString == (sal_Unicode)'\\' ) + { + pString++; + + if ( *pString == (sal_Unicode)'\\' ) + { + aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' ); + pString++; + } + else if ( *pString == (sal_Unicode)'*' ) + { + aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'*' ); + pString++; + } + else + { + OSL_ENSURE( sal_False, "The backslash is not guarded!\n" ); + aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' ); + } + } + else if ( *pString == (sal_Unicode)'*' ) + { + aPattern.realloc( ( ++nInd ) + 1 ); + pString++; + } + else + { + aPattern[nInd] += ::rtl::OUString::valueOf( *pString ); + pString++; + } + } + + return aPattern; +} + +// ---------------------------------------------------------------- +sal_Bool OZipFileAccess::StringGoodForPattern_Impl( const ::rtl::OUString& aString, + const uno::Sequence< ::rtl::OUString >& aPattern ) +{ + sal_Int32 nInd = aPattern.getLength() - 1; + if ( !nInd ) + return sal_False; + + if ( nInd == 1 ) + { + if ( !aPattern[0].getLength() ) + return sal_True; + + return aString.equals( aPattern[0] ); + } + + sal_Int32 nBeginInd = aPattern[0].getLength(); + sal_Int32 nEndInd = aString.getLength() - aPattern[nInd].getLength(); + if ( nEndInd >= nBeginInd + && ( nEndInd == aString.getLength() || aString.copy( nEndInd ).equals( aPattern[nInd] ) ) + && ( nBeginInd == 0 || aString.copy( 0, nBeginInd ).equals( aPattern[0] ) ) ) + { + for ( sal_Int32 nCurInd = aPattern.getLength() - 2; nCurInd > 0; nCurInd-- ) + { + if ( !aPattern[nCurInd].getLength() ) + continue; + + if ( nEndInd == nBeginInd ) + return sal_False; + + // check that search does not use nEndInd position + sal_Int32 nLastInd = aString.lastIndexOf( aPattern[nCurInd], nEndInd - 1 ); + + if ( nLastInd == -1 ) + return sal_False; + + if ( nLastInd < nBeginInd ) + return sal_False; + + nEndInd = nLastInd; + } + + return sal_True; + } + + return sal_False; +} + +// XInitialization +// ---------------------------------------------------------------- +void SAL_CALL OZipFileAccess::initialize( const uno::Sequence< uno::Any >& aArguments ) + throw ( uno::Exception, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( m_pZipFile ) + throw uno::Exception(); // TODO: initialization is allowed only one time + + if ( !aArguments.getLength() ) + throw lang::IllegalArgumentException(); // TODO: + + OSL_ENSURE( aArguments.getLength() == 1, "Too meny arguments are provided, only the first one will be used!\n" ); + + ::rtl::OUString aParamURL; + uno::Reference< io::XStream > xStream; + uno::Reference< io::XSeekable > xSeekable; + + if ( ( aArguments[0] >>= aParamURL ) ) + { + ::ucb::Content aContent ( aParamURL, uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() ); + uno::Reference < io::XActiveDataSink > xSink = new ZipPackageSink; + if ( aContent.openStream ( xSink ) ) + { + m_xContentStream = xSink->getInputStream(); + xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY ); + } + } + else if ( (aArguments[0] >>= xStream ) ) + { + // a writable stream can implement both XStream & XInputStream + m_xContentStream = xStream->getInputStream(); + xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY ); + } + else if ( !( aArguments[0] >>= m_xContentStream ) ) + { + xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY ); + } + else + throw lang::IllegalArgumentException(); // TODO: + + if ( !m_xContentStream.is() ) + throw io::IOException(); // TODO: + + if ( !xSeekable.is() ) + { + // TODO: after fwkbugfix02 is integrated a helper class can be used to make the stream seekable + throw io::IOException(); + } + + // TODO: in case xSeekable is implemented on separated XStream implementation a wrapper is required + m_pZipFile = new ZipFile( + m_xContentStream, + m_xFactory, + sal_True ); +} + +// XNameAccess +// ---------------------------------------------------------------- +uno::Any SAL_CALL OZipFileAccess::getByName( const ::rtl::OUString& aName ) + throw ( container::NoSuchElementException, + lang::WrappedTargetException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + GetEntryHash_Impl(); + EntryHash::iterator aIter = m_aEntries.find( aName ); + if ( aIter == m_aEntries.end() ) + throw container::NoSuchElementException(); + + uno::Reference< io::XInputStream > xEntryStream = GetSeekableTempCopy_Impl( + m_pZipFile->getDataStream( (*aIter).second, new EncryptionData(), sal_False ), + m_xFactory ); + + if ( !xEntryStream.is() ) + throw uno::RuntimeException(); // TODO: + + return uno::makeAny ( xEntryStream ); +} + +// ---------------------------------------------------------------- +uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getElementNames() + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + uno::Sequence< ::rtl::OUString > aNames; + sal_Int32 nLen = 0; + + GetEntryHash_Impl(); + + for ( EntryHash::iterator aIter = m_aEntries.begin(); aIter != m_aEntries.end(); aIter++ ) + { + aNames.realloc( ++nLen ); + aNames[nLen-1] = (*aIter).second.sName; + } + + return aNames; +} + +// ---------------------------------------------------------------- +sal_Bool SAL_CALL OZipFileAccess::hasByName( const ::rtl::OUString& aName ) + throw (uno::RuntimeException) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + GetEntryHash_Impl(); + EntryHash::iterator aIter = m_aEntries.find( aName ); + + return ( aIter != m_aEntries.end() ); +} + +// ---------------------------------------------------------------- +uno::Type SAL_CALL OZipFileAccess::getElementType() + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + return getCppuType( ( const uno::Reference< io::XInputStream >* )NULL ); +} + +// ---------------------------------------------------------------- +sal_Bool SAL_CALL OZipFileAccess::hasElements() + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + GetEntryHash_Impl(); + return ( m_aEntries.size() != 0 ); +} + +// XZipFileAccess +// ---------------------------------------------------------------- +uno::Reference< io::XInputStream > SAL_CALL OZipFileAccess::getStreamByPattern( const ::rtl::OUString& aPatternString ) + throw ( container::NoSuchElementException, + io::IOException, + uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pZipFile ) + throw io::NotConnectedException(); + + // Code to compare strings by patterns + uno::Sequence< ::rtl::OUString > aPattern = GetPatternsFromString_Impl( aPatternString ); + + GetEntryHash_Impl(); + + for ( EntryHash::iterator aIter = m_aEntries.begin(); aIter != m_aEntries.end(); aIter++ ) + { + if ( StringGoodForPattern_Impl( (*aIter).second.sName, aPattern ) ) + { + uno::Reference< io::XInputStream > xEntryStream = + GetSeekableTempCopy_Impl( + m_pZipFile->getDataStream( (*aIter).second, new EncryptionData(), sal_False ), + m_xFactory ); + + if ( !xEntryStream.is() ) + throw uno::RuntimeException(); + return xEntryStream; + } + } + + throw container::NoSuchElementException(); + + // not reachable + return uno::Reference< io::XInputStream >(); +} + +// XComponent +// ---------------------------------------------------------------- +void SAL_CALL OZipFileAccess::dispose() + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( m_pListenersContainer ) + { + lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >(this) ); + m_pListenersContainer->disposeAndClear( aSource ); + delete m_pListenersContainer; + m_pListenersContainer = NULL; + } + + if ( m_pZipFile ) + { + delete m_pZipFile; + m_pZipFile = NULL; + } + + if ( m_xContentStream.is() ) + try { + m_xContentStream->closeInput(); + } catch( uno::Exception& ) + {} + + m_bDisposed = sal_True; +} + +// ---------------------------------------------------------------- +void SAL_CALL OZipFileAccess::addEventListener( const uno::Reference< lang::XEventListener >& xListener ) + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pListenersContainer ) + m_pListenersContainer = new ::cppu::OInterfaceContainerHelper( m_aMutex ); + m_pListenersContainer->addInterface( xListener ); +} + +// ---------------------------------------------------------------- +void SAL_CALL OZipFileAccess::removeEventListener( const uno::Reference< lang::XEventListener >& xListener ) + throw ( uno::RuntimeException ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bDisposed ) + throw lang::DisposedException(); + + if ( !m_pListenersContainer ) + m_pListenersContainer->removeInterface( xListener ); +} + +//------------------------------------------------------------------------- +uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::impl_staticGetSupportedServiceNames() +{ + uno::Sequence< ::rtl::OUString > aRet(2); + aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.packages.zip.ZipFileAccess"); + aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.packages.zip.ZipFileAccess"); + return aRet; +} + +//------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OZipFileAccess::impl_staticGetImplementationName() +{ + return ::rtl::OUString::createFromAscii("com.sun.star.comp.package.zip.ZipFileAccess"); +} + +//------------------------------------------------------------------------- +uno::Reference< uno::XInterface > SAL_CALL OZipFileAccess::impl_staticCreateSelfInstance( + const uno::Reference< lang::XMultiServiceFactory >& xServiceManager ) +{ + return uno::Reference< uno::XInterface >( *new OZipFileAccess( xServiceManager ) ); +} + +//------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OZipFileAccess::getImplementationName() + throw ( uno::RuntimeException ) +{ + return impl_staticGetImplementationName(); +} + +//------------------------------------------------------------------------- +sal_Bool SAL_CALL OZipFileAccess::supportsService( const ::rtl::OUString& ServiceName ) + throw ( uno::RuntimeException ) +{ + uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames(); + + for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ ) + if ( ServiceName.compareTo( aSeq[nInd] ) == 0 ) + return sal_True; + + return sal_False; +} + +//------------------------------------------------------------------------- +uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getSupportedServiceNames() + throw ( uno::RuntimeException ) +{ + return impl_staticGetSupportedServiceNames(); +} + |