diff options
Diffstat (limited to 'ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx')
| -rw-r--r-- | ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx b/ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx new file mode 100644 index 000000000..c5a008af8 --- /dev/null +++ b/ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx @@ -0,0 +1,444 @@ +/* -*- 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 <utility> + +#include <rtl/ustrbuf.hxx> +#include <com/sun/star/ucb/OpenMode.hpp> +#include <ucbhelper/contentidentifier.hxx> +#include <ucbhelper/providerhelper.hxx> +#include "webdavdatasupplier.hxx" +#include "webdavcontent.hxx" +#include "DAVProperties.hxx" +#include "CurlUri.hxx" +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <com/sun/star/ucb/ResultSetException.hpp> +#include <tools/diagnose_ex.h> + +using namespace com::sun::star; +using namespace http_dav_ucp; + +namespace http_dav_ucp +{ + +namespace { + +auto DumpResources(std::vector<DAVResource> const& rResources) -> OUString +{ + OUStringBuffer buf; + for (auto const& rResource : rResources) + { + buf.append("resource URL: <"); + buf.append(rResource.uri); + try { + CurlUri const uri(rResource.uri); + buf.append("> parsed URL: <"); + buf.append(DecodeURI(uri.GetRelativeReference())); + buf.append("> "); + } catch (...) { + // parsing uri could fail + buf.append("> parsing URL failed! "); + } + buf.append("properties: "); + for (auto const& it : rResource.properties) + { + buf.append("\""); + buf.append(it.Name); + buf.append("\" "); + } + buf.append("\n"); + } + buf.stripEnd('\n'); // the last newline is superfluous, remove it + return buf.makeStringAndClear(); +} + +} + +} + + +// DataSupplier Implementation. + + +DataSupplier::DataSupplier( + 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 ) +{ +} + + +// virtual +DataSupplier::~DataSupplier() +{} + + +// virtual +OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if (nIndex < m_Results.size()) + { + OUString aId = m_Results[ nIndex ]->aId; + if ( aId.getLength() ) + { + // Already cached. + return aId; + } + } + + if ( getResult( nIndex ) ) + { + OUString aId = m_xContent->getResourceAccess().getURL(); + + const ContentProperties& props(*(m_Results[ nIndex ]->pData)); + + if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() ) + aId += "/"; + + aId += props.getEscapedTitle(); + + if ( props.isTrailingSlash() ) + aId += "/"; + + m_Results[ nIndex ]->aId = aId; + return aId; + } + return OUString(); +} + + +// virtual +uno::Reference< ucb::XContentIdentifier > +DataSupplier::queryContentIdentifier( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if (nIndex < m_Results.size()) + { + uno::Reference< ucb::XContentIdentifier > xId + = m_Results[ 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_Results[ 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_aMutex ); + + if (nIndex < m_Results.size()) + { + uno::Reference< ucb::XContent > xContent + = m_Results[ 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_xContent->getProvider()->queryContent( xId ); + m_Results[ 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_aMutex ); + + if (nIndex < m_Results.size()) + { + // Result already present. + return true; + } + + // Obtain values... + if ( getData() ) + { + if (nIndex < m_Results.size()) + { + // Result already present. + return true; + } + } + + return false; +} + + +// virtual +sal_uInt32 DataSupplier::totalCount() +{ + // Obtain values... + getData(); + + return m_Results.size(); +} + + +// virtual +sal_uInt32 DataSupplier::currentCount() +{ + return m_Results.size(); +} + + +// virtual +bool DataSupplier::isCountFinal() +{ + return m_bCountFinal; +} + + +// virtual +uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues( + sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if (nIndex < m_Results.size()) + { + uno::Reference< sdbc::XRow > xRow = m_Results[ nIndex ]->xRow; + if ( xRow.is() ) + { + // Already cached. + return xRow; + } + } + + if ( getResult( nIndex ) ) + { + uno::Reference< sdbc::XRow > xRow + = Content::getPropertyValues( + m_xContext, + getResultSet()->getProperties(), + *(m_Results[ nIndex ]->pData), + m_xContent->getProvider(), + queryContentIdentifierString( nIndex ) ); + m_Results[ nIndex ]->xRow = xRow; + return xRow; + } + + return uno::Reference< sdbc::XRow >(); +} + + +// virtual +void DataSupplier::releasePropertyValues( sal_uInt32 nIndex ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if (nIndex < m_Results.size()) + m_Results[ nIndex ]->xRow.clear(); +} + + +// virtual +void DataSupplier::close() +{ +} + + +// virtual +void DataSupplier::validate() +{ + if ( m_bThrowException ) + throw ucb::ResultSetException(); +} + +bool DataSupplier::getData() +{ + osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex ); + + if ( !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_xContent->getResourceAccess() + .PROPFIND( DAVONE, + propertyNames, + resources, + getResultSet()->getEnvironment() ); + SAL_INFO("ucb.ucp.webdav", "getData() - " << DumpResources(resources)); + } + catch ( DAVException & ) + { + TOOLS_WARN_EXCEPTION( "ucb.ucp.webdav", "PROPFIND : DAVException" ); + m_bThrowException = true; + } + + if ( !m_bThrowException ) + { + try + { + CurlUri const aURI( + m_xContent->getResourceAccess().getURL() ); + OUString aPath = aURI.GetPath(); + + if ( aPath.endsWith("/") ) + aPath = aPath.copy( 0, aPath.getLength() - 1 ); + + aPath = DecodeURI(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 + { + CurlUri const aCurrURI( rRes.uri ); + OUString aCurrPath = aCurrURI.GetPath(); + if ( aCurrPath.endsWith("/") ) + aCurrPath + = aCurrPath.copy( + 0, + aCurrPath.getLength() - 1 ); + + aCurrPath = DecodeURI(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_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_Results.push_back( + std::make_unique<ResultListEntry>(std::move(pContentProperties))); + } + } + catch ( DAVException const & ) + { + } + } + + m_bCountFinal = true; + + // Callback possible, because listeners may be informed! + aGuard.clear(); + getResultSet()->rowCountFinal(); + } + return !m_bThrowException; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |