diff options
Diffstat (limited to 'ucb/source/ucp/ext/ucpext_content.cxx')
| -rw-r--r-- | ucb/source/ucp/ext/ucpext_content.cxx | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/ucb/source/ucp/ext/ucpext_content.cxx b/ucb/source/ucp/ext/ucpext_content.cxx new file mode 100644 index 000000000..71d6cbbae --- /dev/null +++ b/ucb/source/ucp/ext/ucpext_content.cxx @@ -0,0 +1,624 @@ +/* -*- 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 "ucpext_content.hxx" +#include "ucpext_provider.hxx" +#include "ucpext_resultset.hxx" + +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/beans/XPropertySetInfo.hpp> +#include <com/sun/star/lang/IllegalAccessException.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <com/sun/star/ucb/XCommandInfo.hpp> +#include <com/sun/star/ucb/OpenCommandArgument2.hpp> +#include <com/sun/star/ucb/OpenMode.hpp> +#include <com/sun/star/ucb/UnsupportedCommandException.hpp> +#include <com/sun/star/ucb/XDynamicResultSet.hpp> +#include <com/sun/star/deployment/PackageInformationProvider.hpp> + +#include <o3tl/string_view.hxx> +#include <ucbhelper/propertyvalueset.hxx> +#include <ucbhelper/cancelcommandexecution.hxx> +#include <ucbhelper/content.hxx> +#include <tools/diagnose_ex.h> +#include <rtl/ustrbuf.hxx> +#include <rtl/uri.hxx> +#include <sal/macros.h> +#include <sal/log.hxx> + +#include <algorithm> +#include <string_view> + + +namespace ucb::ucp::ext +{ + + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::UNO_SET_THROW; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::uno::Any; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::uno::XComponentContext; + using ::com::sun::star::ucb::XContentIdentifier; + using ::com::sun::star::ucb::XCommandEnvironment; + using ::com::sun::star::ucb::Command; + using ::com::sun::star::beans::Property; + using ::com::sun::star::lang::IllegalArgumentException; + using ::com::sun::star::beans::PropertyValue; + using ::com::sun::star::ucb::OpenCommandArgument2; + using ::com::sun::star::ucb::XDynamicResultSet; + using ::com::sun::star::ucb::UnsupportedCommandException; + using ::com::sun::star::sdbc::XRow; + using ::com::sun::star::beans::PropertyChangeEvent; + using ::com::sun::star::lang::IllegalAccessException; + using ::com::sun::star::ucb::CommandInfo; + using ::com::sun::star::deployment::PackageInformationProvider; + using ::com::sun::star::deployment::XPackageInformationProvider; + + namespace OpenMode = ::com::sun::star::ucb::OpenMode; + namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute; + + + //= helper + + namespace + { + + OUString lcl_compose( std::u16string_view i_rBaseURL, const OUString& i_rRelativeURL ) + { + ENSURE_OR_RETURN( !i_rBaseURL.empty(), "illegal base URL", i_rRelativeURL ); + + OUStringBuffer aComposer( i_rBaseURL ); + if ( !o3tl::ends_with(i_rBaseURL, u"/") ) + aComposer.append( '/' ); + aComposer.append( i_rRelativeURL ); + return aComposer.makeStringAndClear(); + } + + + struct SelectPropertyName + { + const OUString& operator()( const Property& i_rProperty ) const + { + return i_rProperty.Name; + } + }; + } + + + //= Content + + + Content::Content( const Reference< XComponentContext >& rxContext, ::ucbhelper::ContentProviderImplHelper* i_pProvider, + const Reference< XContentIdentifier >& i_rIdentifier ) + :Content_Base( rxContext, i_pProvider, i_rIdentifier ) + ,m_eExtContentType( E_UNKNOWN ) + { + const OUString sURL( getIdentifier()->getContentIdentifier() ); + if ( denotesRootContent( sURL ) ) + { + m_eExtContentType = E_ROOT; + } + else + { + const std::u16string_view sRelativeURL( sURL.subView( ContentProvider::getRootURL().getLength() ) ); + const size_t nSepPos = sRelativeURL.find( '/' ); + if ( ( nSepPos == std::u16string_view::npos ) || ( nSepPos == sRelativeURL.size() - 1 ) ) + { + m_eExtContentType = E_EXTENSION_ROOT; + } + else + { + m_eExtContentType = E_EXTENSION_CONTENT; + } + } + + if ( m_eExtContentType == E_ROOT ) + return; + + const OUString sRootURL = ContentProvider::getRootURL(); + m_sExtensionId = sURL.copy( sRootURL.getLength() ); + + const sal_Int32 nNextSep = m_sExtensionId.indexOf( '/' ); + if ( nNextSep > -1 ) + { + m_sPathIntoExtension = m_sExtensionId.copy( nNextSep + 1 ); + m_sExtensionId = m_sExtensionId.copy( 0, nNextSep ); + } + m_sExtensionId = Content::decodeIdentifier( m_sExtensionId ); + } + + + Content::~Content() + { + } + + + OUString SAL_CALL Content::getImplementationName() + { + return "org.openoffice.comp.ucp.ext.Content"; + } + + + Sequence< OUString > SAL_CALL Content::getSupportedServiceNames() + { + return { "com.sun.star.ucb.Content", "com.sun.star.ucb.ExtensionContent" }; + } + + + OUString SAL_CALL Content::getContentType() + { + impl_determineContentType(); + return *m_aContentType; + } + + + Any SAL_CALL Content::execute( const Command& aCommand, sal_Int32 /* CommandId */, const Reference< XCommandEnvironment >& i_rEnvironment ) + { + Any aRet; + + if ( aCommand.Name == "getPropertyValues" ) + { + Sequence< Property > Properties; + if ( !( aCommand.Argument >>= Properties ) ) + { + ::ucbhelper::cancelCommandExecution( Any( IllegalArgumentException( + OUString(), *this, -1 ) ), + i_rEnvironment ); + // unreachable + } + + aRet <<= getPropertyValues( Properties, i_rEnvironment ); + } + else if ( aCommand.Name == "setPropertyValues" ) + { + Sequence< PropertyValue > aProperties; + if ( !( aCommand.Argument >>= aProperties ) ) + { + ::ucbhelper::cancelCommandExecution( Any( IllegalArgumentException( + OUString(), *this, -1 ) ), + i_rEnvironment ); + // unreachable + } + + if ( !aProperties.hasElements() ) + { + ::ucbhelper::cancelCommandExecution( Any( IllegalArgumentException( + OUString(), *this, -1 ) ), + i_rEnvironment ); + // unreachable + } + + aRet <<= setPropertyValues( aProperties ); + } + else if ( aCommand.Name == "getPropertySetInfo" ) + { + // implemented by base class. + aRet <<= getPropertySetInfo( i_rEnvironment ); + } + else if ( aCommand.Name == "getCommandInfo" ) + { + // implemented by base class. + aRet <<= getCommandInfo( i_rEnvironment ); + } + else if ( aCommand.Name == "open" ) + { + OpenCommandArgument2 aOpenCommand; + if ( !( aCommand.Argument >>= aOpenCommand ) ) + { + ::ucbhelper::cancelCommandExecution( Any( IllegalArgumentException( + OUString(), *this, -1 ) ), + i_rEnvironment ); + // unreachable + } + + bool bOpenFolder = + ( ( aOpenCommand.Mode == OpenMode::ALL ) || + ( aOpenCommand.Mode == OpenMode::FOLDERS ) || + ( aOpenCommand.Mode == OpenMode::DOCUMENTS ) ); + + + if ( bOpenFolder && impl_isFolder() ) + { + Reference< XDynamicResultSet > xSet = new ResultSet( m_xContext, this, aOpenCommand, i_rEnvironment ); + aRet <<= xSet; + } + + if ( aOpenCommand.Sink.is() ) + { + const OUString sPhysicalContentURL( getPhysicalURL() ); + ::ucbhelper::Content aRequestedContent( sPhysicalContentURL, i_rEnvironment, m_xContext ); + aRet = aRequestedContent.executeCommand( "open", Any( aOpenCommand ) ); + } + } + + else + { + ::ucbhelper::cancelCommandExecution( Any( UnsupportedCommandException( + OUString(), *this ) ), + i_rEnvironment ); + // unreachable + } + + return aRet; + } + + + void SAL_CALL Content::abort( sal_Int32 ) + { + } + + + OUString Content::encodeIdentifier( const OUString& i_rIdentifier ) + { + return ::rtl::Uri::encode( i_rIdentifier, rtl_UriCharClassRegName, rtl_UriEncodeIgnoreEscapes, + RTL_TEXTENCODING_UTF8 ); + } + + + OUString Content::decodeIdentifier( const OUString& i_rIdentifier ) + { + return ::rtl::Uri::decode( i_rIdentifier, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 ); + } + + + bool Content::denotesRootContent( const OUString& i_rContentIdentifier ) + { + const OUString sRootURL( ContentProvider::getRootURL() ); + if ( i_rContentIdentifier == sRootURL ) + return true; + + // the root URL contains only two trailing /, but we also recognize 3 of them as denoting the root URL + if ( i_rContentIdentifier.match( sRootURL ) + && ( i_rContentIdentifier.getLength() == sRootURL.getLength() + 1 ) + && ( i_rContentIdentifier[ i_rContentIdentifier.getLength() - 1 ] == '/' ) + ) + return true; + + return false; + } + + + OUString Content::getParentURL() + { + const OUString sRootURL( ContentProvider::getRootURL() ); + + switch ( m_eExtContentType ) + { + case E_ROOT: + // don't have a parent + return sRootURL; + + case E_EXTENSION_ROOT: + // our parent is the root itself + return sRootURL; + + case E_EXTENSION_CONTENT: + { + const OUString sURL = m_xIdentifier->getContentIdentifier(); + + // cut the root URL + if ( !sURL.match( sRootURL ) ) + { + SAL_INFO( "ucb.ucp.ext", "illegal URL structure - no root" ); + break; + } + + OUString sRelativeURL( sURL.copy( sRootURL.getLength() ) ); + + // cut the extension ID + const OUString sSeparatedExtensionId( encodeIdentifier( m_sExtensionId ) + "/" ); + if ( !sRelativeURL.match( sSeparatedExtensionId ) ) + { + SAL_INFO( "ucb.ucp.ext", "illegal URL structure - no extension ID" ); + break; + } + + sRelativeURL = sRelativeURL.copy( sSeparatedExtensionId.getLength() ); + + // cut the final slash (if any) + if ( sRelativeURL.isEmpty() ) + { + SAL_INFO( "ucb.ucp.ext", "illegal URL structure - ExtensionContent should have a level below the extension ID" ); + break; + } + + if ( sRelativeURL.endsWith("/") ) + sRelativeURL = sRelativeURL.copy( 0, sRelativeURL.getLength() - 1 ); + + // remove the last segment + const sal_Int32 nLastSep = sRelativeURL.lastIndexOf( '/' ); + sRelativeURL = sRelativeURL.copy( 0, nLastSep != -1 ? nLastSep : 0 ); + + return sRootURL + sSeparatedExtensionId + sRelativeURL; + } + + default: + OSL_FAIL( "Content::getParentURL: unhandled case!" ); + break; + } + return OUString(); + } + + + Reference< XRow > Content::getArtificialNodePropertyValues( const Reference< XComponentContext >& rxContext, + const Sequence< Property >& i_rProperties, const OUString& i_rTitle ) + { + // note: empty sequence means "get values of all supported properties". + ::rtl::Reference< ::ucbhelper::PropertyValueSet > xRow = new ::ucbhelper::PropertyValueSet( rxContext ); + + if ( i_rProperties.hasElements() ) + { + for ( const Property& rProp : i_rProperties ) + { + // Process Core properties. + if ( rProp.Name == "ContentType" ) + { + xRow->appendString ( rProp, ContentProvider::getArtificialNodeContentType() ); + } + else if ( rProp.Name == "Title" ) + { + xRow->appendString ( rProp, i_rTitle ); + } + else if ( rProp.Name == "IsDocument" ) + { + xRow->appendBoolean( rProp, false ); + } + else if ( rProp.Name == "IsFolder" ) + { + xRow->appendBoolean( rProp, true ); + } + else + { + // append empty entry. + xRow->appendVoid( rProp ); + } + } + } + else + { + // Append all Core Properties. + xRow->appendString ( Property( "ContentType", + -1, + cppu::UnoType<OUString>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY ), + ContentProvider::getArtificialNodeContentType() ); + xRow->appendString ( Property( "Title", + -1, + cppu::UnoType<OUString>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY ), + i_rTitle ); + xRow->appendBoolean( Property( "IsDocument", + -1, + cppu::UnoType<bool>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY ), + false ); + xRow->appendBoolean( Property( "IsFolder", + -1, + cppu::UnoType<bool>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY ), + true ); + } + + return xRow; + } + + + OUString Content::getPhysicalURL() const + { + ENSURE_OR_RETURN( m_eExtContentType != E_ROOT, "illegal call", OUString() ); + + // create a ucb::XContent for the physical file within the deployed extension + const Reference< XPackageInformationProvider > xPackageInfo = PackageInformationProvider::get(m_xContext); + const OUString sPackageLocation( xPackageInfo->getPackageLocation( m_sExtensionId ) ); + + if ( m_sPathIntoExtension.isEmpty() ) + return sPackageLocation; + return lcl_compose( sPackageLocation, m_sPathIntoExtension ); + } + + + Reference< XRow > Content::getPropertyValues( const Sequence< Property >& i_rProperties, const Reference< XCommandEnvironment >& i_rEnv ) + { + ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex ); + + switch ( m_eExtContentType ) + { + case E_ROOT: + return getArtificialNodePropertyValues( m_xContext, i_rProperties, ContentProvider::getRootURL() ); + case E_EXTENSION_ROOT: + return getArtificialNodePropertyValues( m_xContext, i_rProperties, m_sExtensionId ); + case E_EXTENSION_CONTENT: + { + const OUString sPhysicalContentURL( getPhysicalURL() ); + ::ucbhelper::Content aRequestedContent( sPhysicalContentURL, i_rEnv, m_xContext ); + + // translate the property request + Sequence< OUString > aPropertyNames( i_rProperties.getLength() ); + ::std::transform( + i_rProperties.begin(), + i_rProperties.end(), + aPropertyNames.getArray(), + SelectPropertyName() + ); + const Sequence< Any > aPropertyValues = aRequestedContent.getPropertyValues( aPropertyNames ); + const ::rtl::Reference< ::ucbhelper::PropertyValueSet > xValueRow = new ::ucbhelper::PropertyValueSet( m_xContext ); + sal_Int32 i=0; + for ( const Any* value = aPropertyValues.getConstArray(); + value != aPropertyValues.getConstArray() + aPropertyValues.getLength(); + ++value, ++i + ) + { + xValueRow->appendObject( aPropertyNames[i], *value ); + } + return xValueRow; + } + + default: + OSL_FAIL( "Content::getPropertyValues: unhandled case!" ); + break; + } + + OSL_FAIL( "Content::getPropertyValues: unreachable!" ); + return nullptr; + } + + + Sequence< Any > Content::setPropertyValues( const Sequence< PropertyValue >& i_rValues) + { + ::osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex ); + + Sequence< Any > aRet( i_rValues.getLength() ); + + PropertyChangeEvent aEvent; + aEvent.Source = static_cast< cppu::OWeakObject * >( this ); + aEvent.Further = false; + aEvent.PropertyHandle = -1; + + for ( auto& rRet : asNonConstRange(aRet) ) + { + // all our properties are read-only ... + rRet <<= IllegalAccessException("property is read-only.", *this ); + } + + return aRet; + } + + + Sequence< CommandInfo > Content::getCommands( const Reference< XCommandEnvironment > & /*xEnv*/ ) + { + static const CommandInfo aCommandInfoTable[] = + { + // Mandatory commands + + CommandInfo( + "getCommandInfo", + -1, + cppu::UnoType<void>::get() + ), + CommandInfo( + "getPropertySetInfo", + -1, + cppu::UnoType<void>::get() + ), + CommandInfo( + "getPropertyValues", + -1, + cppu::UnoType<Sequence< Property >>::get() + ), + CommandInfo( + "setPropertyValues", + -1, + cppu::UnoType<Sequence< PropertyValue >>::get() + ) + + // Optional standard commands + + , CommandInfo( + "open", + -1, + cppu::UnoType<OpenCommandArgument2>::get() + ) + }; + + return Sequence< CommandInfo >( aCommandInfoTable, SAL_N_ELEMENTS(aCommandInfoTable) ); + } + + + Sequence< Property > Content::getProperties( const Reference< XCommandEnvironment > & /*xEnv*/ ) + { + static const Property aProperties[] = + { + Property( + "ContentType", + -1, + cppu::UnoType<OUString>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY + ), + Property( + "IsDocument", + -1, + cppu::UnoType<bool>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY + ), + Property( + "IsFolder", + -1, + cppu::UnoType<bool>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY + ), + Property( + "Title", + -1, + cppu::UnoType<OUString>::get(), + PropertyAttribute::BOUND | PropertyAttribute::READONLY + ) + }; + return Sequence< Property >( aProperties, SAL_N_ELEMENTS( aProperties ) ); + } + + + bool Content::impl_isFolder() + { + if ( !!m_aIsFolder ) + return *m_aIsFolder; + + bool bIsFolder = false; + try + { + Sequence< Property > aProps{ { /*Name*/ "IsFolder", {}, {}, {} } }; + Reference< XRow > xRow( getPropertyValues( aProps, nullptr ), UNO_SET_THROW ); + bIsFolder = xRow->getBoolean(1); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("ucb.ucp.ext"); + } + m_aIsFolder = bIsFolder; + return *m_aIsFolder; + } + + + void Content::impl_determineContentType() + { + if ( !!m_aContentType ) + return; + + m_aContentType = ContentProvider::getArtificialNodeContentType(); + if ( m_eExtContentType != E_EXTENSION_CONTENT ) + return; + + try + { + Sequence< Property > aProps{ { /*Name*/ "ContentType", {}, {}, {} } }; + Reference< XRow > xRow( getPropertyValues( aProps, nullptr ), UNO_SET_THROW ); + m_aContentType = xRow->getString(1); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("ucb.ucp.ext"); + } + } + + +} // namespace ucp::ext + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |