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Diffstat (limited to 'ucb/source/ucp/webdav/webdavdatasupplier.cxx')
| -rw-r--r-- | ucb/source/ucp/webdav/webdavdatasupplier.cxx | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/ucb/source/ucp/webdav/webdavdatasupplier.cxx b/ucb/source/ucp/webdav/webdavdatasupplier.cxx new file mode 100644 index 000000000..6001b8665 --- /dev/null +++ b/ucb/source/ucp/webdav/webdavdatasupplier.cxx @@ -0,0 +1,466 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> +#include <sal/log.hxx> + +#include <memory> +#include <utility> + +#include <com/sun/star/ucb/OpenMode.hpp> +#include <ucbhelper/contentidentifier.hxx> +#include <ucbhelper/providerhelper.hxx> +#include "webdavdatasupplier.hxx" +#include "webdavcontent.hxx" +#include "ContentProperties.hxx" +#include "DAVProperties.hxx" +#include "SerfUri.hxx" +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <com/sun/star/ucb/ResultSetException.hpp> + +using namespace com::sun::star; +using namespace http_dav_ucp; + +namespace http_dav_ucp +{ + + +// struct ResultListEntry. + +namespace { + +struct ResultListEntry +{ + OUString aId; + uno::Reference< ucb::XContentIdentifier > xId; + uno::Reference< ucb::XContent > xContent; + uno::Reference< sdbc::XRow > xRow; + std::unique_ptr<ContentProperties> pData; + + explicit ResultListEntry( std::unique_ptr<ContentProperties> && pEntry ) : pData( std::move(pEntry) ) {} +}; + +} + +// ResultList. + + +typedef std::vector< ResultListEntry* > ResultList; + + +// struct DataSupplier_Impl. + + +struct DataSupplier_Impl +{ + osl::Mutex m_aMutex; + ResultList m_aResults; + rtl::Reference< Content > m_xContent; + uno::Reference< uno::XComponentContext > m_xContext; + sal_Int32 m_nOpenMode; + bool m_bCountFinal; + bool m_bThrowException; + + DataSupplier_Impl( + const uno::Reference< uno::XComponentContext >& rxContext, + const rtl::Reference< Content >& rContent, + sal_Int32 nOpenMode ) + : m_xContent( rContent ), m_xContext( rxContext ), m_nOpenMode( nOpenMode ), + m_bCountFinal( false ), m_bThrowException( false ) {} + ~DataSupplier_Impl(); +}; + + +DataSupplier_Impl::~DataSupplier_Impl() +{ + for ( auto& rResultPtr : m_aResults ) + { + delete rResultPtr; + } +} + +} + + +// DataSupplier Implementation. + + +DataSupplier::DataSupplier( + const uno::Reference< uno::XComponentContext >& rxContext, + const rtl::Reference< Content >& rContent, + sal_Int32 nOpenMode ) +: m_pImpl(std::make_unique<DataSupplier_Impl>(rxContext, rContent, nOpenMode)) +{ +} + + +// virtual +DataSupplier::~DataSupplier() +{} + + +// virtual +OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + OUString aId = m_pImpl->m_aResults[ nIndex ]->aId; + if ( aId.getLength() ) + { + // Already cached. + return aId; + } + } + + if ( getResult( nIndex ) ) + { + OUString aId = m_pImpl->m_xContent->getResourceAccess().getURL(); + + const ContentProperties& props + = *( m_pImpl->m_aResults[ nIndex ]->pData ); + + if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) + aId += "/"; + + aId += props.getEscapedTitle(); + + if ( props.isTrailingSlash() ) + aId += "/"; + + m_pImpl->m_aResults[ nIndex ]->aId = aId; + return aId; + } + return OUString(); +} + + +// virtual +uno::Reference< ucb::XContentIdentifier > +DataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = m_pImpl->m_aResults[ nIndex ]->xId; + if ( xId.is() ) + { + // Already cached. + return xId; + } + } + + OUString aId = queryContentIdentifierString( nIndex ); + if ( aId.getLength() ) + { + uno::Reference< ucb::XContentIdentifier > xId + = new ::ucbhelper::ContentIdentifier( aId ); + m_pImpl->m_aResults[ nIndex ]->xId = xId; + return xId; + } + return uno::Reference< ucb::XContentIdentifier >(); +} + + +// virtual +uno::Reference< ucb::XContent > +DataSupplier::queryContent( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< ucb::XContent > xContent + = m_pImpl->m_aResults[ nIndex ]->xContent; + if ( xContent.is() ) + { + // Already cached. + return xContent; + } + } + + uno::Reference< ucb::XContentIdentifier > xId + = queryContentIdentifier( nIndex ); + if ( xId.is() ) + { + try + { + uno::Reference< ucb::XContent > xContent + = m_pImpl->m_xContent->getProvider()->queryContent( xId ); + m_pImpl->m_aResults[ nIndex ]->xContent = xContent; + return xContent; + + } + catch ( ucb::IllegalIdentifierException& ) + { + } + } + return uno::Reference< ucb::XContent >(); +} + + +// virtual +bool DataSupplier::getResult( sal_uInt32 nIndex ) +{ + osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( m_pImpl->m_aResults.size() > nIndex ) + { + // Result already present. + return true; + } + + // Obtain values... + if ( getData() ) + { + if ( m_pImpl->m_aResults.size() > nIndex ) + { + // Result already present. + return true; + } + } + + return false; +} + + +// virtual +sal_uInt32 DataSupplier::totalCount() +{ + // Obtain values... + getData(); + + return m_pImpl->m_aResults.size(); +} + + +// virtual +sal_uInt32 DataSupplier::currentCount() +{ + return m_pImpl->m_aResults.size(); +} + + +// virtual +bool DataSupplier::isCountFinal() +{ + return m_pImpl->m_bCountFinal; +} + + +// virtual +uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues( + sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + { + uno::Reference< sdbc::XRow > xRow = m_pImpl->m_aResults[ nIndex ]->xRow; + if ( xRow.is() ) + { + // Already cached. + return xRow; + } + } + + if ( getResult( nIndex ) ) + { + uno::Reference< sdbc::XRow > xRow + = Content::getPropertyValues( + m_pImpl->m_xContext, + getResultSet()->getProperties(), + *(m_pImpl->m_aResults[ nIndex ]->pData), + rtl::Reference< ::ucbhelper::ContentProviderImplHelper >( + m_pImpl->m_xContent->getProvider().get() ), + queryContentIdentifierString( nIndex ) ); + m_pImpl->m_aResults[ nIndex ]->xRow = xRow; + return xRow; + } + + return uno::Reference< sdbc::XRow >(); +} + + +// virtual +void DataSupplier::releasePropertyValues( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( nIndex < m_pImpl->m_aResults.size() ) + m_pImpl->m_aResults[ nIndex ]->xRow.clear(); +} + + +// virtual +void DataSupplier::close() +{ +} + + +// virtual +void DataSupplier::validate() +{ + if ( m_pImpl->m_bThrowException ) + throw ucb::ResultSetException(); +} + +bool DataSupplier::getData() +{ + osl::ClearableGuard< osl::Mutex > aGuard( m_pImpl->m_aMutex ); + + if ( !m_pImpl->m_bCountFinal ) + { + std::vector< OUString > propertyNames; + ContentProperties::UCBNamesToDAVNames( + getResultSet()->getProperties(), propertyNames ); + + // Append "resourcetype", if not already present. It's value is + // needed to get a valid ContentProperties::pIsFolder value, which + // is needed for OpenMode handling. + + bool isNoResourceType = std::none_of(propertyNames.begin(), propertyNames.end(), + [](const OUString& rPropName) { return rPropName.equals(DAVProperties::RESOURCETYPE); }); + + if ( isNoResourceType ) + propertyNames.push_back( DAVProperties::RESOURCETYPE ); + + std::vector< DAVResource > resources; + try + { + // propfind depth 1, get property values for parent AND for each + // child + m_pImpl->m_xContent->getResourceAccess() + .PROPFIND( DAVONE, + propertyNames, + resources, + getResultSet()->getEnvironment() ); + } + catch ( DAVException & ) + { + SAL_WARN( "ucb.ucp.webdav", "PROPFIND : DAVException" ); + m_pImpl->m_bThrowException = true; + } + + if ( !m_pImpl->m_bThrowException ) + { + try + { + SerfUri aURI( + m_pImpl->m_xContent->getResourceAccess().getURL() ); + OUString aPath = aURI.GetPath(); + + if ( aPath.endsWith("/") ) + aPath = aPath.copy( 0, aPath.getLength() - 1 ); + + aPath = SerfUri::unescape( aPath ); + bool bFoundParent = false; + + for ( size_t n = 0; n < resources.size(); ++n ) + { + const DAVResource & rRes = resources[ n ]; + + // Filter parent, which is contained somewhere(!) in + // the vector. + if ( !bFoundParent ) + { + try + { + SerfUri aCurrURI( rRes.uri ); + OUString aCurrPath = aCurrURI.GetPath(); + if ( aCurrPath.endsWith("/") ) + aCurrPath + = aCurrPath.copy( + 0, + aCurrPath.getLength() - 1 ); + + aCurrPath = SerfUri::unescape( aCurrPath ); + if ( aPath == aCurrPath ) + { + bFoundParent = true; + continue; + } + } + catch ( DAVException const & ) + { + // do nothing, ignore error. continue. + } + } + + std::unique_ptr<ContentProperties> pContentProperties + = std::make_unique<ContentProperties>( rRes ); + + // Check resource against open mode. + switch ( m_pImpl->m_nOpenMode ) + { + case ucb::OpenMode::FOLDERS: + { + bool bFolder = false; + + const uno::Any & rValue + = pContentProperties->getValue( "IsFolder" ); + rValue >>= bFolder; + + if ( !bFolder ) + continue; + + break; + } + + case ucb::OpenMode::DOCUMENTS: + { + bool bDocument = false; + + const uno::Any & rValue + = pContentProperties->getValue( "IsDocument" ); + rValue >>= bDocument; + + if ( !bDocument ) + continue; + + break; + } + + case ucb::OpenMode::ALL: + default: + break; + } + + m_pImpl->m_aResults.push_back( + new ResultListEntry( std::move(pContentProperties) ) ); + } + } + catch ( DAVException const & ) + { + } + } + + m_pImpl->m_bCountFinal = true; + + // Callback possible, because listeners may be informed! + aGuard.clear(); + getResultSet()->rowCountFinal(); + } + return !m_pImpl->m_bThrowException; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |