diff options
Diffstat (limited to 'ucb/source/ucp/webdav-neon/webdavcontent.cxx')
| -rw-r--r-- | ucb/source/ucp/webdav-neon/webdavcontent.cxx | 4217 |
1 files changed, 4217 insertions, 0 deletions
diff --git a/ucb/source/ucp/webdav-neon/webdavcontent.cxx b/ucb/source/ucp/webdav-neon/webdavcontent.cxx new file mode 100644 index 000000000..931195e35 --- /dev/null +++ b/ucb/source/ucp/webdav-neon/webdavcontent.cxx @@ -0,0 +1,4217 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + + +/************************************************************************** + TODO + ************************************************************************** + + *************************************************************************/ + +#include <memory> +#include <rtl/uri.hxx> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <officecfg/Inet.hxx> +#include <ucbhelper/contentidentifier.hxx> +#include <ucbhelper/propertyvalueset.hxx> +#include <ucbhelper/simpleinteractionrequest.hxx> +#include <ucbhelper/cancelcommandexecution.hxx> +#include <com/sun/star/beans/IllegalTypeException.hpp> +#include <com/sun/star/beans/NotRemoveableException.hpp> +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/beans/PropertyExistException.hpp> +#include <com/sun/star/beans/PropertySetInfoChange.hpp> +#include <com/sun/star/beans/PropertySetInfoChangeEvent.hpp> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/io/XActiveDataSink.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/lang/IllegalAccessException.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> +#include <com/sun/star/task/PasswordContainerInteractionHandler.hpp> +#include <com/sun/star/ucb/CommandEnvironment.hpp> +#include <com/sun/star/ucb/CommandFailedException.hpp> +#include <com/sun/star/ucb/ContentInfoAttribute.hpp> +#include <com/sun/star/ucb/IllegalIdentifierException.hpp> +#include <com/sun/star/ucb/InsertCommandArgument.hpp> +#include <com/sun/star/ucb/InteractiveBadTransferURLException.hpp> +#include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp> +#include <com/sun/star/ucb/InteractiveLockingLockedException.hpp> +#include <com/sun/star/ucb/InteractiveLockingLockExpiredException.hpp> +#include <com/sun/star/ucb/InteractiveLockingNotLockedException.hpp> +#include <com/sun/star/ucb/InteractiveNetworkConnectException.hpp> +#include <com/sun/star/ucb/InteractiveNetworkGeneralException.hpp> +#include <com/sun/star/ucb/InteractiveNetworkReadException.hpp> +#include <com/sun/star/ucb/InteractiveNetworkResolveNameException.hpp> +#include <com/sun/star/ucb/InteractiveNetworkWriteException.hpp> +#include <com/sun/star/ucb/MissingInputStreamException.hpp> +#include <com/sun/star/ucb/MissingPropertiesException.hpp> +#include <com/sun/star/ucb/NameClash.hpp> +#include <com/sun/star/ucb/NameClashException.hpp> +#include <com/sun/star/ucb/OpenCommandArgument3.hpp> +#include <com/sun/star/ucb/OpenMode.hpp> +#include <com/sun/star/ucb/PostCommandArgument2.hpp> +#include <com/sun/star/ucb/PropertyCommandArgument.hpp> +#include <com/sun/star/ucb/TransferInfo.hpp> +#include <com/sun/star/ucb/UnsupportedCommandException.hpp> +#include <com/sun/star/ucb/UnsupportedDataSinkException.hpp> +#include <com/sun/star/ucb/UnsupportedNameClashException.hpp> +#include <com/sun/star/ucb/UnsupportedOpenModeException.hpp> +#include <com/sun/star/ucb/XCommandInfo.hpp> +#include <com/sun/star/ucb/XPersistentPropertySet.hpp> +#include <ucbhelper/macros.hxx> + +#include "webdavcontent.hxx" +#include "webdavprovider.hxx" +#include "webdavresultset.hxx" +#include "ContentProperties.hxx" +#include "NeonUri.hxx" +#include "UCBDeadPropertyValue.hxx" + +using namespace com::sun::star; +using namespace webdav_ucp; + +namespace +{ + // implement a GET to substitute HEAD, when HEAD not available + void lcl_sendPartialGETRequest( bool &bError, + DAVException &aLastException, + const std::vector< OUString >& rProps, + std::vector< OUString > &aHeaderNames, + const std::unique_ptr< DAVResourceAccess > &xResAccess, + std::unique_ptr< ContentProperties > &xProps, + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) + { + DAVResource aResource; + DAVRequestHeaders aPartialGet; + aPartialGet.emplace_back( OUString( "Range" ), // see <https://tools.ietf.org/html/rfc7233#section-3.1> + OUString( "bytes=0-0" ) ); + + bool bIsRequestSize = std::any_of(aHeaderNames.begin(), aHeaderNames.end(), + [](const OUString& rHeaderName) { return rHeaderName == "Content-Length"; }); + + if ( bIsRequestSize ) + { + // we need to know if the server accepts range requests for a resource + // and the range unit it uses + aHeaderNames.emplace_back( "Accept-Ranges" ); // see <https://tools.ietf.org/html/rfc7233#section-2.3> + aHeaderNames.emplace_back( "Content-Range" ); // see <https://tools.ietf.org/html/rfc7233#section-4.2> + } + try + { + xResAccess->GET0( aPartialGet, aHeaderNames, aResource, xEnv ); + bError = false; + + if ( bIsRequestSize ) + { + // the ContentProperties maps "Content-Length" to the UCB "Size" property + // This would have an unrealistic value of 1 byte because we did only a partial GET + // Solution: if "Content-Range" is present, map it with UCB "Size" property + OUString aAcceptRanges, aContentRange, aContentLength; + std::vector< DAVPropertyValue > &aResponseProps = aResource.properties; + for ( const auto& rResponseProp : aResponseProps ) + { + if ( rResponseProp.Name == "Accept-Ranges" ) + rResponseProp.Value >>= aAcceptRanges; + else if ( rResponseProp.Name == "Content-Range" ) + rResponseProp.Value >>= aContentRange; + else if ( rResponseProp.Name == "Content-Length" ) + rResponseProp.Value >>= aContentLength; + } + + sal_Int64 nSize = 1; + if ( aContentLength.getLength() ) + { + nSize = aContentLength.toInt64(); + } + + // according to <> http://tools.ietf.org/html/rfc2616#section-3.12 + // <https://tools.ietf.org/html/rfc7233#section-2> + // needs some explanation for this + // probably some changes? + // the only range unit defined is "bytes" and implementations + // MAY ignore ranges specified using other units. + if ( nSize == 1 && + aContentRange.getLength() && + aAcceptRanges == "bytes" ) + { + // Parse the Content-Range to get the size + // vid. http://tools.ietf.org/html/rfc2616#section-14.16 + // Content-Range: <range unit> <bytes range>/<size> + sal_Int32 nSlash = aContentRange.lastIndexOf( '/' ); + if ( nSlash != -1 ) + { + OUString aSize = aContentRange.copy( nSlash + 1 ); + // "*" means that the instance-length is unknown at the time when the response was generated + if ( aSize != "*" ) + { + auto it = std::find_if(aResponseProps.begin(), aResponseProps.end(), + [](const DAVPropertyValue& rProp) { return rProp.Name == "Content-Length"; }); + if (it != aResponseProps.end()) + { + it->Value <<= aSize; + } + } + } + } + } + + if (xProps) + xProps->addProperties( + rProps, + ContentProperties( aResource ) ); + else + xProps.reset ( new ContentProperties( aResource ) ); + } + catch ( DAVException const & ex ) + { + aLastException = ex; + } + } +} + + +// Static value, to manage a simple OPTIONS cache +// Key is the URL, element is the DAVOptions resulting from an OPTIONS call. +// Cached DAVOptions have a lifetime that depends on the errors received or not received +// and on the value of received options. +static DAVOptionsCache aStaticDAVOptionsCache; + + +// Content Implementation. + + +// ctr for content on an existing webdav resource +Content::Content( + const uno::Reference< uno::XComponentContext >& rxContext, + ContentProvider* pProvider, + const uno::Reference< ucb::XContentIdentifier >& Identifier, + rtl::Reference< DAVSessionFactory > const & rSessionFactory ) +: ContentImplHelper( rxContext, pProvider, Identifier ), + m_eResourceType( UNKNOWN ), + m_eResourceTypeForLocks( UNKNOWN ), + m_pProvider( pProvider ), + m_bTransient( false ), + m_bCollection( false ), + m_bDidGetOrHead( false ) +{ + try + { + initOptsCacheLifeTime(); + m_xResAccess.reset( new DAVResourceAccess( + rxContext, + rSessionFactory, + Identifier->getContentIdentifier() ) ); + + NeonUri aURI( Identifier->getContentIdentifier() ); + m_aEscapedTitle = aURI.GetPathBaseName(); + } + catch ( DAVException const & ) + { + throw ucb::ContentCreationException(); + } +} + + +// ctr for content on a non-existing webdav resource +Content::Content( + const uno::Reference< uno::XComponentContext >& rxContext, + ContentProvider* pProvider, + const uno::Reference< ucb::XContentIdentifier >& Identifier, + rtl::Reference< DAVSessionFactory > const & rSessionFactory, + bool isCollection ) +: ContentImplHelper( rxContext, pProvider, Identifier ), + m_eResourceType( UNKNOWN ), + m_eResourceTypeForLocks( UNKNOWN ), + m_pProvider( pProvider ), + m_bTransient( true ), + m_bCollection( isCollection ), + m_bDidGetOrHead( false ) +{ + try + { + initOptsCacheLifeTime(); + m_xResAccess.reset( new DAVResourceAccess( + rxContext, rSessionFactory, Identifier->getContentIdentifier() ) ); + } + catch ( DAVException const & ) + { + throw ucb::ContentCreationException(); + } + + // Do not set m_aEscapedTitle here! Content::insert relays on this!!! +} + + +// virtual +Content::~Content() +{ +} + + +// XInterface methods. + + +// virtual +void SAL_CALL Content::acquire() + throw( ) +{ + ContentImplHelper::acquire(); +} + + +// virtual +void SAL_CALL Content::release() + throw( ) +{ + ContentImplHelper::release(); +} + + +// virtual +uno::Any SAL_CALL Content::queryInterface( const uno::Type & rType ) +{ + // Note: isFolder may require network activities! So call it only + // if it is really necessary!!! + uno::Any aRet = cppu::queryInterface( + rType, + static_cast< ucb::XContentCreator * >( this ) ); + if ( aRet.hasValue() ) + { + try + { + uno::Reference< task::XInteractionHandler > xIH( + task::PasswordContainerInteractionHandler::create( m_xContext ) ); + + // Supply a command env to isFolder() that contains an interaction + // handler that uses the password container service to obtain + // credentials without displaying a password gui. + + uno::Reference< ucb::XCommandEnvironment > xCmdEnv( + ucb::CommandEnvironment::create( + m_xContext, + xIH, + uno::Reference< ucb::XProgressHandler >() ) ); + + return isFolder( xCmdEnv ) ? aRet : uno::Any(); + } + catch ( uno::RuntimeException const & ) + { + throw; + } + catch ( uno::Exception const & ) + { + return uno::Any(); + } + } + return aRet.hasValue() ? aRet : ContentImplHelper::queryInterface( rType ); +} + + +// XTypeProvider methods. + + +XTYPEPROVIDER_COMMON_IMPL( Content ); + + +// virtual +uno::Sequence< uno::Type > SAL_CALL Content::getTypes() +{ + bool bFolder = false; + try + { + bFolder + = isFolder( uno::Reference< ucb::XCommandEnvironment >() ); + } + catch ( uno::RuntimeException const & ) + { + throw; + } + catch ( uno::Exception const & ) + { + } + + if ( bFolder ) + { + static cppu::OTypeCollection s_aFolderTypes( + CPPU_TYPE_REF( lang::XTypeProvider ), + CPPU_TYPE_REF( lang::XServiceInfo ), + CPPU_TYPE_REF( lang::XComponent ), + CPPU_TYPE_REF( ucb::XContent ), + CPPU_TYPE_REF( ucb::XCommandProcessor ), + CPPU_TYPE_REF( beans::XPropertiesChangeNotifier ), + CPPU_TYPE_REF( ucb::XCommandInfoChangeNotifier ), + CPPU_TYPE_REF( beans::XPropertyContainer ), + CPPU_TYPE_REF( beans::XPropertySetInfoChangeNotifier ), + CPPU_TYPE_REF( container::XChild ), + CPPU_TYPE_REF( ucb::XContentCreator ) ); + + return s_aFolderTypes.getTypes(); + } + else + { + static cppu::OTypeCollection s_aDocumentTypes( + CPPU_TYPE_REF( lang::XTypeProvider ), + CPPU_TYPE_REF( lang::XServiceInfo ), + CPPU_TYPE_REF( lang::XComponent ), + CPPU_TYPE_REF( ucb::XContent ), + CPPU_TYPE_REF( ucb::XCommandProcessor ), + CPPU_TYPE_REF( beans::XPropertiesChangeNotifier ), + CPPU_TYPE_REF( ucb::XCommandInfoChangeNotifier ), + CPPU_TYPE_REF( beans::XPropertyContainer ), + CPPU_TYPE_REF( beans::XPropertySetInfoChangeNotifier ), + CPPU_TYPE_REF( container::XChild ) ); + + return s_aDocumentTypes.getTypes(); + } +} + + +// XServiceInfo methods. + + +// virtual +OUString SAL_CALL Content::getImplementationName() +{ + return "com.sun.star.comp.ucb.WebDAVContent"; +} + + +// virtual +uno::Sequence< OUString > SAL_CALL Content::getSupportedServiceNames() +{ + return { WEBDAV_CONTENT_SERVICE_NAME }; +} + + +// XContent methods. + + +// virtual +OUString SAL_CALL Content::getContentType() +{ + bool bFolder = false; + try + { + bFolder + = isFolder( uno::Reference< ucb::XCommandEnvironment >() ); + } + catch ( uno::RuntimeException const & ) + { + throw; + } + catch ( uno::Exception const & ) + { + } + + if ( bFolder ) + return WEBDAV_COLLECTION_TYPE; + + return WEBDAV_CONTENT_TYPE; +} + + +// XCommandProcessor methods. + + +// virtual +uno::Any SAL_CALL Content::execute( + const ucb::Command& aCommand, + sal_Int32 /*CommandId*/, + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ + SAL_INFO( "ucb.ucp.webdav", "Content::execute: start: command: " << + aCommand.Name << ", env: " << + (Environment.is() ? "present" : "missing") ); + + uno::Any aRet; + + if ( aCommand.Name == "getPropertyValues" ) + { + + // getPropertyValues + + + uno::Sequence< beans::Property > Properties; + if ( !( aCommand.Argument >>= Properties ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + aRet <<= getPropertyValues( Properties, Environment ); + } + else if ( aCommand.Name == "setPropertyValues" ) + { + + // setPropertyValues + + + uno::Sequence< beans::PropertyValue > aProperties; + if ( !( aCommand.Argument >>= aProperties ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + if ( !aProperties.hasElements() ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "No properties!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + aRet <<= setPropertyValues( aProperties, Environment ); + } + else if ( aCommand.Name == "getPropertySetInfo" ) + { + + // getPropertySetInfo + + + // Note: Implemented by base class. + aRet <<= getPropertySetInfo( Environment, + false /* don't cache data */ ); + } + else if ( aCommand.Name == "getCommandInfo" ) + { + + // getCommandInfo + + + // Note: Implemented by base class. + aRet <<= getCommandInfo( Environment, false ); + } + else if ( aCommand.Name == "open" ) + { + + // open + + + ucb::OpenCommandArgument3 aOpenCommand; + ucb::OpenCommandArgument2 aTmp; + if ( !( aCommand.Argument >>= aTmp ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + if ( !( aCommand.Argument >>= aOpenCommand ) ) + { + // compat mode, extract Arg2 info into newer structure + aOpenCommand.Mode = aTmp.Mode; + aOpenCommand.Priority = aTmp.Priority; + aOpenCommand.Sink = aTmp.Sink; + aOpenCommand.Properties = aTmp.Properties; + aOpenCommand.SortingInfo = aTmp.SortingInfo; + } + + aRet = open( aOpenCommand, Environment ); + + } + else if ( aCommand.Name == "insert" ) + { + + // insert + + + ucb::InsertCommandArgument arg; + if ( !( aCommand.Argument >>= arg ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + insert( arg.Data, arg.ReplaceExisting, Environment ); + } + else if ( aCommand.Name == "delete" ) + { + + // delete + + + bool bDeletePhysical = false; + aCommand.Argument >>= bDeletePhysical; + +// KSO: Ignore parameter and destroy the content, if you don't support +// putting objects into trashcan. ( Since we do not have a trash can +// service yet (src603), you actually have no other choice. ) +// if ( bDeletePhysical ) +// { + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + // clean cached value of PROPFIND property names + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->DESTROY( Environment ); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, Environment, true ); + // Unreachable + } +// } + + // Propagate destruction. + destroy( bDeletePhysical ); + + // Remove own and all children's Additional Core Properties. + removeAdditionalPropertySet(); + } + else if ( aCommand.Name == "transfer" && isFolder( Environment ) ) + { + + // transfer + // ( Not available at documents ) + + + ucb::TransferInfo transferArgs; + if ( !( aCommand.Argument >>= transferArgs ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + transfer( transferArgs, Environment ); + } + else if ( aCommand.Name == "post" ) + { + + // post + + + ucb::PostCommandArgument2 aArg; + if ( !( aCommand.Argument >>= aArg ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + post( aArg, Environment ); + } + else if ( aCommand.Name == "lock" ) + { + + // lock + + ResourceType eType = resourceTypeForLocks( Environment ); + // when the resource is not yet present the lock is used to create it + // see: http://tools.ietf.org/html/rfc4918#section-7.3 + // If the resource doesn't exists and the lock is not enabled (DAV with + // no lock or a simple web) the error will be dealt with inside lock() method + if ( eType == NOT_FOUND || + eType == DAV ) + { + lock( Environment ); + if ( eType == NOT_FOUND ) + { + m_eResourceType = UNKNOWN; // lock may have created it, need to check again + m_eResourceTypeForLocks = UNKNOWN; + } + } + } + else if ( aCommand.Name == "unlock" ) + { + + // unlock + // do not check for a DAV resource + // the lock store will be checked before sending + unlock( Environment ); + } + else if ( aCommand.Name == "createNewContent" && isFolder( Environment ) ) + { + + // createNewContent + + + ucb::ContentInfo aArg; + if ( !( aCommand.Argument >>= aArg ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + // Unreachable + } + + aRet <<= createNewContent( aArg ); + } + else if ( aCommand.Name == "addProperty" ) + { + ucb::PropertyCommandArgument aPropArg; + if ( !( aCommand.Argument >>= aPropArg )) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + } + + // TODO when/if XPropertyContainer is removed, + // the command execution can be canceled in addProperty + try + { + addProperty( aPropArg, Environment ); + } + catch ( const beans::PropertyExistException &e ) + { + ucbhelper::cancelCommandExecution( uno::makeAny( e ), Environment ); + } + catch ( const beans::IllegalTypeException&e ) + { + ucbhelper::cancelCommandExecution( uno::makeAny( e ), Environment ); + } + catch ( const lang::IllegalArgumentException&e ) + { + ucbhelper::cancelCommandExecution( uno::makeAny( e ), Environment ); + } + } + else if ( aCommand.Name == "removeProperty" ) + { + OUString sPropName; + if ( !( aCommand.Argument >>= sPropName ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( lang::IllegalArgumentException( + "Wrong argument type!", + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + Environment ); + } + + // TODO when/if XPropertyContainer is removed, + // the command execution can be canceled in removeProperty + try + { + removeProperty( sPropName, Environment ); + } + catch( const beans::UnknownPropertyException &e ) + { + ucbhelper::cancelCommandExecution( uno::makeAny( e ), Environment ); + } + catch( const beans::NotRemoveableException &e ) + { + ucbhelper::cancelCommandExecution( uno::makeAny( e ), Environment ); + } + } + else + { + + // Unsupported command + + + ucbhelper::cancelCommandExecution( + uno::makeAny( ucb::UnsupportedCommandException( + aCommand.Name, + static_cast< cppu::OWeakObject * >( this ) ) ), + Environment ); + // Unreachable + } + + SAL_INFO( "ucb.ucp.webdav", "Content::execute: end: command: " << aCommand.Name ); + + return aRet; +} + + +// virtual +void SAL_CALL Content::abort( sal_Int32 /*CommandId*/ ) +{ + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + xResAccess->abort(); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & ) + { + // abort failed! + } +} + + +// XPropertyContainer methods. + + +void Content::addProperty( const ucb::PropertyCommandArgument& aCmdArg, + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ +// if ( m_bTransient ) +// @@@ ??? + + if ( aCmdArg.Property.Name.isEmpty() ) + throw lang::IllegalArgumentException( + "\"addProperty\" with empty Property.Name", + static_cast< cppu::OWeakObject * >( this ), + -1 ); + + // Check property type. + if ( !UCBDeadPropertyValue::supportsType( aCmdArg.Property.Type ) ) + { + throw beans::IllegalTypeException( + "\"addProperty\" unsupported Property.Type", + static_cast< cppu::OWeakObject * >( this ) ); + } + + if ( aCmdArg.DefaultValue.hasValue() + && aCmdArg.DefaultValue.getValueType() != aCmdArg.Property.Type ) + { + throw beans::IllegalTypeException( + "\"addProperty\" DefaultValue does not match Property.Type", + static_cast< ::cppu::OWeakObject * >( this ) ); + } + + + // Make sure a property with the requested name does not already + // exist in dynamic and static(!) properties. + + + // Take into account special properties with custom namespace + // using <prop:the_propname xmlns:prop="the_namespace"> + OUString aSpecialName; + bool bIsSpecial = DAVProperties::isUCBSpecialProperty( + aCmdArg.Property.Name, aSpecialName ); + + // Note: This requires network access! + if ( getPropertySetInfo( xEnv, false /* don't cache data */ ) + ->hasPropertyByName( + bIsSpecial ? aSpecialName : aCmdArg.Property.Name ) ) + { + // Property does already exist. + throw beans::PropertyExistException(); + } + + + // Add a new dynamic property. + + + ProppatchValue aValue( + PROPSET, aCmdArg.Property.Name, aCmdArg.DefaultValue ); + + std::vector< ProppatchValue > aProppatchValues; + aProppatchValues.push_back( aValue ); + + try + { + // Set property value at server. + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + // clean cached value of PROPFIND property names + // PROPPATCH can change them + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->PROPPATCH( aProppatchValues, xEnv ); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + // Notify propertyset info change listeners. + beans::PropertySetInfoChangeEvent evt( + static_cast< cppu::OWeakObject * >( this ), + bIsSpecial ? aSpecialName : aCmdArg.Property.Name, + -1, // No handle available + beans::PropertySetInfoChange::PROPERTY_INSERTED ); + notifyPropertySetInfoChange( evt ); + } + catch ( DAVException const & e ) + { + if ( e.getStatus() == SC_FORBIDDEN ) + { + // Support for setting arbitrary dead properties is optional! + + // Store property locally. + ContentImplHelper::addProperty( + bIsSpecial ? aSpecialName : aCmdArg.Property.Name, + aCmdArg.Property.Attributes, aCmdArg.DefaultValue ); + } + else + { + if ( shouldAccessNetworkAfterException( e ) ) + { + try + { + ResourceType eType = getResourceType( xEnv ); + switch ( eType ) + { + case UNKNOWN: + case DAV: + throw lang::IllegalArgumentException(); + + case FTP: + case NON_DAV: + // Store property locally. + ContentImplHelper::addProperty( + bIsSpecial ? aSpecialName : aCmdArg.Property.Name, + aCmdArg.Property.Attributes, aCmdArg.DefaultValue ); + break; + + default: + SAL_WARN( "ucb.ucp.webdav", "Content::addProperty - " + "Unsupported resource type!" ); + break; + } + } + catch ( uno::Exception const & ) + { + SAL_WARN( "ucb.ucp.webdav", "Content::addProperty - " + "Unable to determine resource type!" ); + } + } + else + { + SAL_WARN( "ucb.ucp.webdav", "Content::addProperty - " + "Unable to determine resource type!" ); + } + } + } +} + +void Content::removeProperty( const OUString& Name, + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ + + // Try to remove property from server. + + + try + { + std::vector< ProppatchValue > aProppatchValues; + ProppatchValue aValue( PROPREMOVE, Name, uno::Any() ); + aProppatchValues.push_back( aValue ); + + // Remove property value from server. + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + // clean cached value of PROPFIND property names + // PROPPATCH can change them + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->PROPPATCH( aProppatchValues, xEnv ); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + // Notify propertyset info change listeners. + beans::PropertySetInfoChangeEvent evt( + static_cast< cppu::OWeakObject * >( this ), + Name, + -1, // No handle available + beans::PropertySetInfoChange::PROPERTY_REMOVED ); + notifyPropertySetInfoChange( evt ); + } + catch ( DAVException const & e ) + { + if ( e.getStatus() == SC_FORBIDDEN ) + { + // Support for setting arbitrary dead properties is optional! + + // Try to remove property from local store. + ContentImplHelper::removeProperty( Name ); + } + else + { + if ( shouldAccessNetworkAfterException( e ) ) + { + try + { + ResourceType eType = getResourceType( xEnv ); + switch ( eType ) + { + case UNKNOWN: + case DAV: + throw beans::UnknownPropertyException(Name); + + case FTP: + case NON_DAV: + // Try to remove property from local store. + ContentImplHelper::removeProperty( Name ); + break; + + default: + SAL_WARN( "ucb.ucp.webdav", "Content::removeProperty - " + "Unsupported resource type!" ); + break; + } + } + catch ( uno::Exception const & ) + { + SAL_WARN( "ucb.ucp.webdav", "Content::removeProperty - " + "Unable to determine resource type!" ); + } + } + else + { + SAL_WARN( "ucb.ucp.webdav", "Content::removeProperty - " + "Unable to determine resource type!" ); +// throw beans::UnknownPropertyException(); + } + } + } +} + +// virtual +void SAL_CALL Content::addProperty( const OUString& Name, + sal_Int16 Attributes, + const uno::Any& DefaultValue ) +{ + beans::Property aProperty; + aProperty.Name = Name; + aProperty.Type = DefaultValue.getValueType(); + aProperty.Attributes = Attributes; + aProperty.Handle = -1; + + addProperty( ucb::PropertyCommandArgument( aProperty, DefaultValue ), + uno::Reference< ucb::XCommandEnvironment >()); +} + +// virtual +void SAL_CALL Content::removeProperty( const OUString& Name ) +{ + removeProperty( Name, + uno::Reference< ucb::XCommandEnvironment >() ); +} + + +// XContentCreator methods. + + +// virtual +uno::Sequence< ucb::ContentInfo > SAL_CALL +Content::queryCreatableContentsInfo() +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + uno::Sequence< ucb::ContentInfo > aSeq( 2 ); + + // document. + aSeq.getArray()[ 0 ].Type = WEBDAV_CONTENT_TYPE; + aSeq.getArray()[ 0 ].Attributes + = ucb::ContentInfoAttribute::INSERT_WITH_INPUTSTREAM + | ucb::ContentInfoAttribute::KIND_DOCUMENT; + + beans::Property aProp; + m_pProvider->getProperty( + "Title", aProp ); + + uno::Sequence< beans::Property > aDocProps( 1 ); + aDocProps.getArray()[ 0 ] = aProp; + aSeq.getArray()[ 0 ].Properties = aDocProps; + + // folder. + aSeq.getArray()[ 1 ].Type = WEBDAV_COLLECTION_TYPE; + aSeq.getArray()[ 1 ].Attributes + = ucb::ContentInfoAttribute::KIND_FOLDER; + + uno::Sequence< beans::Property > aFolderProps( 1 ); + aFolderProps.getArray()[ 0 ] = aProp; + aSeq.getArray()[ 1 ].Properties = aFolderProps; + return aSeq; +} + + +// virtual +uno::Reference< ucb::XContent > SAL_CALL +Content::createNewContent( const ucb::ContentInfo& Info ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if ( Info.Type.isEmpty() ) + return uno::Reference< ucb::XContent >(); + + if ( ( Info.Type != WEBDAV_COLLECTION_TYPE ) && ( Info.Type != WEBDAV_CONTENT_TYPE ) ) + return uno::Reference< ucb::XContent >(); + + OUString aURL = m_xIdentifier->getContentIdentifier(); + + assert( !aURL.isEmpty() && "WebdavContent::createNewContent - empty identifier!" ); + + if ( ( aURL.lastIndexOf( '/' ) + 1 ) != aURL.getLength() ) + aURL += "/"; + + bool isCollection; + if ( Info.Type == WEBDAV_COLLECTION_TYPE ) + { + aURL += "New_Collection"; + isCollection = true; + } + else + { + aURL += "New_Content"; + isCollection = false; + } + + uno::Reference< ucb::XContentIdentifier > xId( + new ::ucbhelper::ContentIdentifier( aURL ) ); + + // create the local content + try + { + return new ::webdav_ucp::Content( m_xContext, + m_pProvider, + xId, + m_xResAccess->getSessionFactory(), + isCollection ); + } + catch ( ucb::ContentCreationException & ) + { + return uno::Reference< ucb::XContent >(); + } +} + + +// virtual +OUString Content::getParentURL() +{ + // <scheme>:// -> "" + // <scheme>://foo -> "" + // <scheme>://foo/ -> "" + // <scheme>://foo/bar -> <scheme>://foo/ + // <scheme>://foo/bar/ -> <scheme>://foo/ + // <scheme>://foo/bar/abc -> <scheme>://foo/bar/ + + OUString aURL = m_xIdentifier->getContentIdentifier(); + + sal_Int32 nPos = aURL.lastIndexOf( '/' ); + if ( nPos == ( aURL.getLength() - 1 ) ) + { + // Trailing slash found. Skip. + nPos = aURL.lastIndexOf( '/', nPos ); + } + + sal_Int32 nPos1 = aURL.lastIndexOf( '/', nPos ); + if ( nPos1 != -1 ) + nPos1 = aURL.lastIndexOf( '/', nPos1 ); + + if ( nPos1 == -1 ) + return OUString(); + + return aURL.copy( 0, nPos + 1 ); +} + + +// Non-interface methods. + + +// static +uno::Reference< sdbc::XRow > Content::getPropertyValues( + const uno::Reference< uno::XComponentContext >& rxContext, + const uno::Sequence< beans::Property >& rProperties, + const ContentProperties& rData, + const rtl::Reference< ::ucbhelper::ContentProviderImplHelper >& rProvider, + const OUString& rContentId ) +{ + // Note: Empty sequence means "get values of all supported properties". + + rtl::Reference< ::ucbhelper::PropertyValueSet > xRow + = new ::ucbhelper::PropertyValueSet( rxContext ); + + if ( rProperties.hasElements() ) + { + uno::Reference< beans::XPropertySet > xAdditionalPropSet; + bool bTriedToGetAdditionalPropSet = false; + + for ( const beans::Property& rProp : rProperties ) + { + // Process standard UCB, DAV and HTTP properties. + const uno::Any & rValue = rData.getValue( rProp.Name ); + if ( rValue.hasValue() ) + { + xRow->appendObject( rProp, rValue ); + } + else + { + // Process local Additional Properties. + if ( !bTriedToGetAdditionalPropSet && !xAdditionalPropSet.is() ) + { + xAdditionalPropSet = + rProvider->getAdditionalPropertySet( rContentId, + false ); + bTriedToGetAdditionalPropSet = true; + } + + if ( !xAdditionalPropSet.is() || + !xRow->appendPropertySetValue( + xAdditionalPropSet, rProp ) ) + { + // Append empty entry. + xRow->appendVoid( rProp ); + } + } + } + } + else + { + // Append all standard UCB, DAV and HTTP properties. + const std::unique_ptr< PropertyValueMap > & xProps = rData.getProperties(); + + ContentProvider * pProvider + = static_cast< ContentProvider * >( rProvider.get() ); + beans::Property aProp; + + for ( const auto& rProp : *xProps ) + { + pProvider->getProperty( rProp.first, aProp ); + xRow->appendObject( aProp, rProp.second.value() ); + } + + // Append all local Additional Properties. + uno::Reference< beans::XPropertySet > xSet = + rProvider->getAdditionalPropertySet( rContentId, false ); + xRow->appendPropertySet( xSet ); + } + + return uno::Reference< sdbc::XRow >( xRow.get() ); +} + +namespace { +void GetPropsUsingHeadRequest(DAVResource& resource, + const std::unique_ptr< DAVResourceAccess >& xResAccess, + const std::vector< OUString >& aHTTPNames, + const uno::Reference< ucb::XCommandEnvironment >& xEnv) +{ + if (!aHTTPNames.empty()) + { + DAVOptions aDAVOptions; + OUString aTargetURL = xResAccess->getURL(); + // retrieve the cached options if any + aStaticDAVOptionsCache.getDAVOptions(aTargetURL, aDAVOptions); + + // clean cached value of PROPFIND property names + // PROPPATCH can change them + Content::removeCachedPropertyNames(aTargetURL); + // test if HEAD allowed, if not, throw, should be caught immediately + // SC_GONE used internally by us, see comment in Content::getPropertyValues + // in the catch scope + if (aDAVOptions.getHttpResponseStatusCode() != SC_GONE && + !aDAVOptions.isHeadAllowed()) + { + throw DAVException(DAVException::DAV_HTTP_ERROR, "405 Not Implemented", SC_METHOD_NOT_ALLOWED); + } + // if HEAD is enabled on this site + // check if there is a relevant HTTP response status code cached + if (aDAVOptions.getHttpResponseStatusCode() != SC_NONE) + { + // throws exception as if there was a server error, a DAV exception + throw DAVException(DAVException::DAV_HTTP_ERROR, + aDAVOptions.getHttpResponseStatusText(), + aDAVOptions.getHttpResponseStatusCode()); + // Unreachable + } + + xResAccess->HEAD(aHTTPNames, resource, xEnv); + } +} +} + +uno::Reference< sdbc::XRow > Content::getPropertyValues( + const uno::Sequence< beans::Property >& rProperties, + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ + std::unique_ptr< ContentProperties > xProps; + std::unique_ptr< ContentProperties > xCachedProps; + std::unique_ptr< DAVResourceAccess > xResAccess; + OUString aUnescapedTitle; + bool bHasAll = false; + uno::Reference< ucb::XContentIdentifier > xIdentifier; + rtl::Reference< ::ucbhelper::ContentProviderImplHelper > xProvider; + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + aUnescapedTitle = NeonUri::unescape( m_aEscapedTitle ); + xIdentifier.set( m_xIdentifier ); + xProvider.set( m_xProvider.get() ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + + // First, ask cache... + if (m_xCachedProps) + { + xCachedProps.reset(new ContentProperties(*m_xCachedProps)); + + std::vector< OUString > aMissingProps; + if ( xCachedProps->containsAllNames( rProperties, aMissingProps ) ) + { + // All properties are already in cache! No server access needed. + bHasAll = true; + } + + // use the cached ContentProperties instance + xProps.reset(new ContentProperties(*xCachedProps)); + } + } + + if ( !m_bTransient && !bHasAll ) + { + + // Obtain values from server... + + + // First, identify whether resource is DAV or not + bool bNetworkAccessAllowed = true; + ResourceType eType = getResourceType( + xEnv, xResAccess, &bNetworkAccessAllowed ); + + if ( eType == DAV ) + { + // cache lookup... getResourceType may fill the props cache via + // PROPFIND! + if (m_xCachedProps) + { + xCachedProps.reset(new ContentProperties(*m_xCachedProps)); + + std::vector< OUString > aMissingProps; + if ( xCachedProps->containsAllNames( + rProperties, aMissingProps ) ) + { + // All properties are already in cache! No server access + // needed. + bHasAll = true; + } + + // use the cached ContentProperties instance + xProps.reset(new ContentProperties(*xCachedProps)); + } + + if ( !bHasAll ) + { + // Only DAV resources support PROPFIND + std::vector< OUString > aPropNames; + + uno::Sequence< beans::Property > aProperties( + rProperties.getLength() ); + + if ( !m_aFailedPropNames.empty() ) + { + sal_Int32 nProps = rProperties.getLength(); + std::copy(rProperties.begin(), rProperties.end(), aProperties.begin()); + + aProperties.realloc( nProps ); + } + else + { + aProperties = rProperties; + } + + if ( aProperties.hasElements() ) + ContentProperties::UCBNamesToDAVNames( + aProperties, aPropNames ); + + if ( !aPropNames.empty() ) + { + std::vector< DAVResource > resources; + try + { + xResAccess->PROPFIND( + DAVZERO, aPropNames, resources, xEnv ); + + if ( 1 == resources.size() ) + { +#if defined SAL_LOG_INFO + {//debug + // print received resources + for ( const auto& rProp : resources[0].properties ) + { + OUString aPropValue; + bool bValue; + uno::Sequence< ucb::LockEntry > aSupportedLocks; + if( rProp.Value >>= aPropValue ) + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << rProp.Name << ":" << aPropValue ); + else if( rProp.Value >>= bValue ) + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << rProp.Name << ":" << + ( bValue ? "true" : "false" ) ); + else if( rProp.Value >>= aSupportedLocks ) + { + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << rProp.Name << ":" ); + for ( sal_Int32 n = 0; n < aSupportedLocks.getLength(); ++n ) + { + SAL_INFO( "ucb.ucp.webdav"," scope: " + << ( aSupportedLocks[ n ].Scope == css::ucb::LockScope_SHARED ? "shared" : "exclusive" ) + << ", type: " + << ( aSupportedLocks[ n ].Type != css::ucb::LockType_WRITE ? "" : "write" ) ); + } + } + } + } +#endif + if (xProps) + xProps->addProperties( + aPropNames, + ContentProperties( resources[ 0 ] )); + else + xProps.reset( + new ContentProperties( resources[ 0 ] ) ); + } + } + catch ( DAVException const & e ) + { + bNetworkAccessAllowed = bNetworkAccessAllowed + && shouldAccessNetworkAfterException( e ); + + if ( !bNetworkAccessAllowed ) + { + cancelCommandExecution( e, xEnv ); + // unreachable + } + } + } + } + } + + if ( bNetworkAccessAllowed ) + { + // All properties obtained already? + std::vector< OUString > aMissingProps; + if ( !( xProps + && xProps->containsAllNames( + rProperties, aMissingProps ) ) + && !m_bDidGetOrHead ) + { + // Possibly the missing props can be obtained using a HEAD + // request. + + std::vector< OUString > aHeaderNames; + ContentProperties::UCBNamesToHTTPNames( + rProperties, + aHeaderNames ); + + if( eType != DAV ) + { + // in case of not DAV PROFIND (previously in program flow) failed + // so we need to add the only prop that's common + // to DAV and NON_DAV: MediaType, that maps to Content-Type + aHeaderNames.emplace_back("Content-Type" ); + } + + if (!aHeaderNames.empty()) try + { + DAVResource resource; + GetPropsUsingHeadRequest(resource, xResAccess, aHeaderNames, xEnv); + m_bDidGetOrHead = true; + + if (xProps) + xProps->addProperties( + aMissingProps, + ContentProperties(resource)); + else + xProps.reset(new ContentProperties(resource)); + + if (m_eResourceType == NON_DAV) + xProps->addProperties(aMissingProps, + ContentProperties( + aUnescapedTitle, + false)); + } + catch ( DAVException const & e ) + { + // non "general-purpose servers" may not support HEAD requests + // see http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.1 + // In this case, perform a partial GET only to get the header info + // vid. http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35 + // WARNING if the server does not support partial GETs, + // the GET will transfer the whole content + bool bError = true; + DAVException aLastException = e; + OUString aTargetURL = xResAccess->getURL(); + + if ( e.getError() == DAVException::DAV_HTTP_ERROR ) + { + // According to the spec. the origin server SHOULD return + // * 405 (Method Not Allowed): + // the method is known but not allowed for the requested resource + // * 501 (Not Implemented): + // the method is unrecognized or not implemented + // * 404 (SC_NOT_FOUND) + // is for google-code server and for MS IIS 10.0 Web server + // when only GET is enabled + if ( aLastException.getStatus() == SC_NOT_IMPLEMENTED || + aLastException.getStatus() == SC_METHOD_NOT_ALLOWED || + aLastException.getStatus() == SC_NOT_FOUND ) + { + SAL_WARN( "ucb.ucp.webdav", "HEAD probably not implemented: fall back to a partial GET" ); + aStaticDAVOptionsCache.setHeadAllowed( aTargetURL, false ); + lcl_sendPartialGETRequest( bError, + aLastException, + aMissingProps, + aHeaderNames, + xResAccess, + xProps, + xEnv ); + m_bDidGetOrHead = !bError; + } + } + + if ( bError ) + { + DAVOptions aDAVOptionsException; + + aDAVOptionsException.setURL( aTargetURL ); + // check if the error was SC_NOT_FOUND, meaning that the + // GET fall back didn't succeeded and the element is really missing + // we will consider the resource SC_GONE (410) for some time + // we use SC_GONE because has the same meaning of SC_NOT_FOUND (404) + // see: + // <https://tools.ietf.org/html/rfc7231#section-6.5.9> (retrieved 2016-10-09) + // apparently it's not used to mark the missing HEAD method (so far...) + sal_uInt16 ResponseStatusCode = + ( aLastException.getStatus() == SC_NOT_FOUND ) ? + SC_GONE : + aLastException.getStatus(); + aDAVOptionsException.setHttpResponseStatusCode( ResponseStatusCode ); + aDAVOptionsException.setHttpResponseStatusText( aLastException.getData() ); + aStaticDAVOptionsCache.addDAVOptions( aDAVOptionsException, + m_nOptsCacheLifeNotFound ); + + if ( !shouldAccessNetworkAfterException( aLastException ) ) + { + cancelCommandExecution( aLastException, xEnv ); + // unreachable + } + } + } + } + } + + // might trigger HTTP redirect. + // Therefore, title must be updated here. + NeonUri aUri( xResAccess->getURL() ); + aUnescapedTitle = aUri.GetPathBaseNameUnescaped(); + + if ( eType == UNKNOWN ) + { + xProps.reset( new ContentProperties( aUnescapedTitle ) ); + } + + // For DAV resources we only know the Title, for non-DAV + // resources we additionally know that it is a document. + + if ( eType == DAV ) + { + if (!xProps) + xProps.reset(new ContentProperties(aUnescapedTitle)); + else + xProps->addProperty("Title", uno::makeAny(aUnescapedTitle), true); + } + else + { + if (!xProps) + xProps.reset( new ContentProperties( aUnescapedTitle, false ) ); + else + xProps->addProperty( + "Title", + uno::makeAny( aUnescapedTitle ), + true ); + + xProps->addProperty( + "IsFolder", + uno::makeAny( false ), + true ); + xProps->addProperty( + "IsDocument", + uno::makeAny( true ), + true ); + } + } + else + { + // No server access for just created (not yet committed) objects. + // Only a minimal set of properties supported at this stage. + if (m_bTransient) + xProps.reset( new ContentProperties( aUnescapedTitle, + m_bCollection ) ); + } + + // Add a default for the properties requested but not found. + // Determine still missing properties, add a default. + // Some client function doesn't expect a void uno::Any, + // but instead wants some sort of default. + std::vector< OUString > aMissingProps; + if ( !xProps->containsAllNames( + rProperties, aMissingProps ) ) + { + // + for ( const auto& rProp : aMissingProps ) + { + // For the time being only a couple of properties need to be added + if ( rProp == "DateModified" || rProp == "DateCreated" ) + { + util::DateTime aDate; + xProps->addProperty( + rProp, + uno::makeAny( aDate ), + true ); + } + // If WebDAV didn't return the resource type, assume default + // This happens e.g. for lists exported by SharePoint + else if ( rProp == "IsFolder" ) + { + xProps->addProperty( + rProp, + uno::makeAny( false ), + true ); + } + else if ( rProp == "IsDocument" ) + { + xProps->addProperty( + rProp, + uno::makeAny( true ), + true ); + } + } + } + + for ( const auto& rProperty : rProperties ) + { + const OUString rName = rProperty.Name; + if ( rName == "BaseURI" ) + { + // Add BaseURI property, if requested. + xProps->addProperty( + "BaseURI", + uno::makeAny( getBaseURI( xResAccess ) ), + true ); + } + else if ( rName == "CreatableContentsInfo" ) + { + // Add CreatableContentsInfo property, if requested. + bool bFolder = false; + xProps->getValue( + "IsFolder" ) + >>= bFolder; + xProps->addProperty( + "CreatableContentsInfo", + uno::makeAny( bFolder + ? queryCreatableContentsInfo() + : uno::Sequence< ucb::ContentInfo >() ), + true ); + } + } + + uno::Reference< sdbc::XRow > xResultRow + = getPropertyValues( m_xContext, + rProperties, + *xProps, + xProvider, + xIdentifier->getContentIdentifier() ); + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + if (!m_xCachedProps) + m_xCachedProps.reset(new CachableContentProperties(*xProps)); + else + m_xCachedProps->addProperties(*xProps); + + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + m_aEscapedTitle = NeonUri::escapeSegment( aUnescapedTitle ); + } + + return xResultRow; +} + + +uno::Sequence< uno::Any > Content::setPropertyValues( + const uno::Sequence< beans::PropertyValue >& rValues, + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ + uno::Reference< ucb::XContentIdentifier > xIdentifier; + rtl::Reference< ContentProvider > xProvider; + bool bTransient; + std::unique_ptr< DAVResourceAccess > xResAccess; + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + xProvider.set( m_pProvider ); + xIdentifier.set( m_xIdentifier ); + bTransient = m_bTransient; + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + uno::Sequence< uno::Any > aRet( rValues.getLength() ); + uno::Sequence< beans::PropertyChangeEvent > aChanges( rValues.getLength() ); + sal_Int32 nChanged = 0; + + beans::PropertyChangeEvent aEvent; + aEvent.Source = static_cast< cppu::OWeakObject * >( this ); + aEvent.Further = false; + // aEvent.PropertyName = + aEvent.PropertyHandle = -1; + // aEvent.OldValue = + // aEvent.NewValue = + + std::vector< ProppatchValue > aProppatchValues; + + uno::Reference< ucb::XPersistentPropertySet > xAdditionalPropSet; + bool bTriedToGetAdditionalPropSet = false; + + bool bExchange = false; + OUString aNewTitle; + OUString aOldTitle; + sal_Int32 nTitlePos = -1; + + uno::Reference< beans::XPropertySetInfo > xInfo; + + const beans::PropertyValue* pValues = rValues.getConstArray(); + sal_Int32 nCount = rValues.getLength(); + for ( sal_Int32 n = 0; n < nCount; ++n ) + { + const beans::PropertyValue& rValue = pValues[ n ]; + const OUString & rName = rValue.Name; + + beans::Property aTmpProp; + xProvider->getProperty( rName, aTmpProp ); + + if ( aTmpProp.Attributes & beans::PropertyAttribute::READONLY ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + continue; + } + + + // Mandatory props. + + + if ( rName == "ContentType" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "IsDocument" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "IsFolder" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "Title" ) + { + OUString aNewValue; + if ( rValue.Value >>= aNewValue ) + { + // No empty titles! + if ( !aNewValue.isEmpty() ) + { + try + { + NeonUri aURI( xIdentifier->getContentIdentifier() ); + aOldTitle = aURI.GetPathBaseNameUnescaped(); + + if ( aNewValue != aOldTitle ) + { + // modified title -> modified URL -> exchange ! + if ( !bTransient ) + bExchange = true; + + // new value will be set later... + aNewTitle = aNewValue; + + // remember position within sequence of values (for + // error handling). + nTitlePos = n; + } + } + catch ( DAVException const & ) + { + aRet[ n ] <<= lang::IllegalArgumentException( + "Invalid content identifier!", + static_cast< cppu::OWeakObject * >( this ), + -1 ); + } + } + else + { + aRet[ n ] <<= lang::IllegalArgumentException( + "Empty title not allowed!", + static_cast< cppu::OWeakObject * >( this ), + -1 ); + } + } + else + { + aRet[ n ] <<= beans::IllegalTypeException( + "Property value has wrong type!", + static_cast< cppu::OWeakObject * >( this ) ); + } + } + else + { + + // Optional props. + + + OUString aSpecialName; + bool bIsSpecial = DAVProperties::isUCBSpecialProperty( + rName, aSpecialName ); + + if ( !xInfo.is() ) + xInfo = getPropertySetInfo( xEnv, + false /* don't cache data */ ); + + if ( !xInfo->hasPropertyByName( + bIsSpecial ? aSpecialName : rName ) ) + { + // Check, whether property exists. Skip otherwise. + // PROPPATCH::set would add the property automatically, which + // is not allowed for "setPropertyValues" command! + aRet[ n ] <<= beans::UnknownPropertyException( + "Property is unknown!", + static_cast< cppu::OWeakObject * >( this ) ); + continue; + } + + if ( rName == "Size" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "DateCreated" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "DateModified" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else if ( rName == "MediaType" ) + { + // Read-only property! + // (but could be writable, if 'getcontenttype' would be) + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + if ( rName == "CreatableContentsInfo" ) + { + // Read-only property! + aRet[ n ] <<= lang::IllegalAccessException( + "Property is read-only!", + static_cast< cppu::OWeakObject * >( this ) ); + } + else + { + if ( getResourceType( xEnv, xResAccess ) == DAV ) + { + // Property value will be set on server. + ProppatchValue aValue( PROPSET, rName, rValue.Value ); + aProppatchValues.push_back( aValue ); + } + else + { + // Property value will be stored in local property store. + if ( !bTriedToGetAdditionalPropSet && + !xAdditionalPropSet.is() ) + { + xAdditionalPropSet + = getAdditionalPropertySet( false ); + bTriedToGetAdditionalPropSet = true; + } + + if ( xAdditionalPropSet.is() ) + { + try + { + uno::Any aOldValue + = xAdditionalPropSet->getPropertyValue( rName ); + if ( aOldValue != rValue.Value ) + { + xAdditionalPropSet->setPropertyValue( + rName, rValue.Value ); + + aEvent.PropertyName = rName; + aEvent.OldValue = aOldValue; + aEvent.NewValue = rValue.Value; + + aChanges.getArray()[ nChanged ] = aEvent; + nChanged++; + } + } + catch ( beans::UnknownPropertyException const & e ) + { + aRet[ n ] <<= e; + } + catch ( lang::WrappedTargetException const & e ) + { + aRet[ n ] <<= e; + } + catch ( beans::PropertyVetoException const & e ) + { + aRet[ n ] <<= e; + } + catch ( lang::IllegalArgumentException const & e ) + { + aRet[ n ] <<= e; + } + } + else + { + aRet[ n ] <<= uno::Exception( + "No property set for storing the value!", + static_cast< cppu::OWeakObject * >( this ) ); + } + } + } + } + } // for + + if ( !bTransient && !aProppatchValues.empty() ) + { + try + { + // clean cached value of PROPFIND property names + // PROPPATCH can change them + removeCachedPropertyNames( xResAccess->getURL() ); + // Set property values at server. + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + xResAccess->PROPPATCH( aProppatchValues, xEnv ); + + for ( const auto& rProppatchValue : aProppatchValues ) + { + aEvent.PropertyName = rProppatchValue.name; + aEvent.OldValue = uno::Any(); // @@@ too expensive to obtain! + aEvent.NewValue = rProppatchValue.value; + + aChanges.getArray()[ nChanged ] = aEvent; + nChanged++; + } + } + catch ( DAVException const & e ) + { + SAL_WARN( "ucb.ucp.webdav", "Content::setPropertyValues - PROPPATCH failed!" ); + cancelCommandExecution( e, xEnv ); + // unreachable + } + } + + if ( bExchange ) + { + // Assemble new content identifier... + + OUString aNewURL = getParentURL(); + if ( aNewURL.lastIndexOf( '/' ) != ( aNewURL.getLength() - 1 ) ) + aNewURL += "/"; + + aNewURL += NeonUri::escapeSegment( aNewTitle ); + + uno::Reference< ucb::XContentIdentifier > xNewId + = new ::ucbhelper::ContentIdentifier( aNewURL ); + + NeonUri sourceURI( xIdentifier->getContentIdentifier() ); + NeonUri targetURI( xNewId->getContentIdentifier() ); + + try + { + targetURI.SetScheme( sourceURI.GetScheme() ); + + // clean cached value of PROPFIND property names + removeCachedPropertyNames( sourceURI.GetURI() ); + removeCachedPropertyNames( targetURI.GetURI() ); + aStaticDAVOptionsCache.removeDAVOptions( sourceURI.GetURI() ); + aStaticDAVOptionsCache.removeDAVOptions( targetURI.GetURI() ); + xResAccess->MOVE( + sourceURI.GetPath(), targetURI.GetURI(), false, xEnv ); + + // @@@ Should check for resources that could not be moved + // (due to source access or target overwrite) and send + // this information through the interaction handler. + + // @@@ Existing content should be checked to see if it needs + // to be deleted at the source + + // @@@ Existing content should be checked to see if it has + // been overwritten at the target + + if ( exchangeIdentity( xNewId ) ) + { + xResAccess->setURL( aNewURL ); + +// DAV resources store all additional props on server! +// // Adapt Additional Core Properties. +// renameAdditionalPropertySet( xOldId->getContentIdentifier(), +// xNewId->getContentIdentifier(), +// sal_True ); + } + else + { + // Do not set new title! + aNewTitle.clear(); + + // Set error . + aRet[ nTitlePos ] <<= uno::Exception( + "Exchange failed!", + static_cast< cppu::OWeakObject * >( this ) ); + } + } + catch ( DAVException const & e ) + { + // Do not set new title! + aNewTitle.clear(); + + // Set error . + aRet[ nTitlePos ] = MapDAVException( e, true ); + } + } + + if ( !aNewTitle.isEmpty() ) + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + aEvent.PropertyName = "Title"; + aEvent.OldValue <<= aOldTitle; + aEvent.NewValue <<= aNewTitle; + + m_aEscapedTitle = NeonUri::escapeSegment( aNewTitle ); + + aChanges.getArray()[ nChanged ] = aEvent; + nChanged++; + } + + if ( nChanged > 0 ) + { + aChanges.realloc( nChanged ); + notifyPropertiesChange( aChanges ); + } + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + return aRet; +} + + +uno::Any Content::open( + const ucb::OpenCommandArgument3 & rArg, + const uno::Reference< ucb::XCommandEnvironment > & xEnv ) +{ + uno::Any aRet; + + bool bOpenFolder = ( ( rArg.Mode == ucb::OpenMode::ALL ) || + ( rArg.Mode == ucb::OpenMode::FOLDERS ) || + ( rArg.Mode == ucb::OpenMode::DOCUMENTS ) ); + if ( bOpenFolder ) + { + if ( isFolder( xEnv ) ) + { + // Open collection. + + uno::Reference< ucb::XDynamicResultSet > xSet + = new DynamicResultSet( m_xContext, this, rArg, xEnv ); + aRet <<= xSet; + } + else + { + // Error: Not a folder! + + OUStringBuffer aMsg; + if ( getResourceType( xEnv ) == FTP ) + { + aMsg.append( "FTP over HTTP proxy: resource cannot " + "be opened as folder! Wrong Open Mode!" ); + } + else + { + aMsg.append( "Non-folder resource cannot be " + "opened as folder! Wrong Open Mode!" ); + } + + ucbhelper::cancelCommandExecution( + uno::makeAny( + lang::IllegalArgumentException( + aMsg.makeStringAndClear(), + static_cast< cppu::OWeakObject * >( this ), + -1 ) ), + xEnv ); + // Unreachable + } + } + + if ( rArg.Sink.is() ) + { + // Open document. + + if ( ( rArg.Mode == ucb::OpenMode::DOCUMENT_SHARE_DENY_NONE ) || + ( rArg.Mode == ucb::OpenMode::DOCUMENT_SHARE_DENY_WRITE ) ) + { + // Currently(?) unsupported. + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::UnsupportedOpenModeException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + sal_Int16( rArg.Mode ) ) ), + xEnv ); + // Unreachable + } + + uno::Reference< io::XOutputStream > xOut( rArg.Sink, uno::UNO_QUERY ); + if ( xOut.is() ) + { + // PUSH: write data + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + + { + osl::MutexGuard aGuard( m_aMutex ); + + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + xResAccess->setFlags( rArg.OpeningFlags ); + DAVResource aResource; + std::vector< OUString > aHeaders; + + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->GET( xOut, aHeaders, aResource, xEnv ); + m_bDidGetOrHead = true; + + { + osl::MutexGuard aGuard( m_aMutex ); + + // cache headers. + if (!m_xCachedProps) + m_xCachedProps.reset( + new CachableContentProperties( ContentProperties( aResource ) ) ); + else + m_xCachedProps->addProperties( ContentProperties( aResource ) ); + + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, xEnv ); + // Unreachable + } + } + else + { + uno::Reference< io::XActiveDataSink > xDataSink( rArg.Sink, uno::UNO_QUERY ); + if ( xDataSink.is() ) + { + // PULL: wait for client read + OUString aTargetURL = m_xIdentifier->getContentIdentifier(); + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + xResAccess->setFlags( rArg.OpeningFlags ); + + // fill inputstream sync; return if all data present + DAVResource aResource; + std::vector< OUString > aHeaders; + + aTargetURL = xResAccess->getURL(); + removeCachedPropertyNames( aTargetURL ); + // check if the resource was present on the server + // first update it, if necessary + // if the open is called directly, without the default open sequence, + // e.g. the one used when opening a file looking for properties + // first this call will have no effect, since OPTIONS would have already been called + // as a consequence of getPropertyValues() + DAVOptions aDAVOptions; + getResourceOptions( xEnv, aDAVOptions, xResAccess ); + + if ( aDAVOptions.getHttpResponseStatusCode() != SC_NONE ) + { + // throws exception as if there was a server error, a DAV exception + throw DAVException( DAVException::DAV_HTTP_ERROR, + aDAVOptions.getHttpResponseStatusText(), + aDAVOptions.getHttpResponseStatusCode() ); + } + uno::Reference< io::XInputStream > xIn + = xResAccess->GET( aHeaders, aResource, xEnv ); + m_bDidGetOrHead = true; + + { + osl::MutexGuard aGuard( m_aMutex ); + + // cache headers. + if (!m_xCachedProps) + m_xCachedProps.reset( + new CachableContentProperties( ContentProperties( aResource ) ) ); + else + m_xCachedProps->addProperties( + aResource.properties ); + + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + xDataSink->setInputStream( xIn ); + } + catch ( DAVException const & e ) + { + //TODO cache the http error if not yet cached + cancelCommandExecution( e, xEnv ); + // Unreachable + } + } + else + { + // Note: aOpenCommand.Sink may contain an XStream + // implementation. Support for this type of + // sink is optional... + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::UnsupportedDataSinkException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + rArg.Sink ) ), + xEnv ); + // Unreachable + } + } + } + + return aRet; +} + +void Content::post( + const ucb::PostCommandArgument2 & rArg, + const uno::Reference< ucb::XCommandEnvironment > & xEnv ) +{ + uno::Reference< io::XActiveDataSink > xSink( rArg.Sink, uno::UNO_QUERY ); + if ( xSink.is() ) + { + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + removeCachedPropertyNames( xResAccess->getURL() ); + uno::Reference< io::XInputStream > xResult + = xResAccess->POST( rArg.MediaType, + rArg.Referer, + rArg.Source, + xEnv ); + + { + osl::MutexGuard aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + xSink->setInputStream( xResult ); + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, xEnv, true ); + // Unreachable + } + } + else + { + uno::Reference< io::XOutputStream > xResult( rArg.Sink, uno::UNO_QUERY ); + if ( xResult.is() ) + { + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->POST( rArg.MediaType, + rArg.Referer, + rArg.Source, + xResult, + xEnv ); + + { + osl::MutexGuard aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, xEnv, true ); + // Unreachable + } + } + else + { + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::UnsupportedDataSinkException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + rArg.Sink ) ), + xEnv ); + // Unreachable + } + } +} + + +void Content::queryChildren( ContentRefList& rChildren ) +{ + // Obtain a list with a snapshot of all currently instantiated contents + // from provider and extract the contents which are direct children + // of this content. + + ::ucbhelper::ContentRefList aAllContents; + m_xProvider->queryExistingContents( aAllContents ); + + OUString aURL = m_xIdentifier->getContentIdentifier(); + sal_Int32 nURLPos = aURL.lastIndexOf( '/' ); + + if ( nURLPos != ( aURL.getLength() - 1 ) ) + { + // No trailing slash found. Append. + aURL += "/"; + } + + sal_Int32 nLen = aURL.getLength(); + + for ( const auto& rChild : aAllContents ) + { + ::ucbhelper::ContentImplHelperRef xChild = rChild; + OUString aChildURL + = xChild->getIdentifier()->getContentIdentifier(); + + // Is aURL a prefix of aChildURL? + if ( ( aChildURL.getLength() > nLen ) && + ( aChildURL.startsWith( aURL ) ) ) + { + sal_Int32 nPos = aChildURL.indexOf( '/', nLen ); + + if ( ( nPos == -1 ) || + ( nPos == ( aChildURL.getLength() - 1 ) ) ) + { + // No further slashes / only a final slash. It's a child! + rChildren.emplace_back( + static_cast< ::webdav_ucp::Content * >( + xChild.get() ) ); + } + } + } +} + + +void Content::insert( + const uno::Reference< io::XInputStream > & xInputStream, + bool bReplaceExisting, + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ + bool bTransient, bCollection; + OUString aEscapedTitle; + std::unique_ptr< DAVResourceAccess > xResAccess; + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + bTransient = m_bTransient; + bCollection = m_bCollection; + aEscapedTitle = m_aEscapedTitle; + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + // Check, if all required properties are present. + + if ( aEscapedTitle.isEmpty() ) + { + SAL_WARN( "ucb.ucp.webdav", "Content::insert - Title missing!" ); + + uno::Sequence<OUString> aProps { "Title" }; + ucbhelper::cancelCommandExecution( + uno::makeAny( ucb::MissingPropertiesException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + aProps ) ), + Environment ); + // Unreachable + } + + if ( !bReplaceExisting ) + { + /* [RFC 2616] - HTTP + + The PUT method requests that the enclosed entity be stored under the + supplied Request-URI. If the Request-URI refers to an already + existing resource, the enclosed entity SHOULD be considered as a + modified version of the one residing on the origin server. + */ + + /* [RFC 2518] - WebDAV + + MKCOL creates a new collection resource at the location specified by + the Request-URI. If the resource identified by the Request-URI is + non-null then the MKCOL MUST fail. + */ + + // ==> Complain on PUT, continue on MKCOL. + if ( !bTransient || !bCollection ) + { + ucb::UnsupportedNameClashException aEx( + "Unable to write without overwrite!", + static_cast< cppu::OWeakObject * >( this ), + ucb::NameClash::ERROR ); + + uno::Reference< task::XInteractionHandler > xIH; + + if ( Environment.is() ) + xIH = Environment->getInteractionHandler(); + + if ( !xIH.is() ) + { + // No IH; throw. + throw aEx; + } + + uno::Any aExAsAny( uno::makeAny( aEx ) ); + + rtl::Reference< ucbhelper::SimpleInteractionRequest > xRequest + = new ucbhelper::SimpleInteractionRequest( + aExAsAny, + ContinuationFlags::Approve | ContinuationFlags::Disapprove ); + xIH->handle( xRequest.get() ); + + const ContinuationFlags nResp = xRequest->getResponse(); + + switch ( nResp ) + { + case ContinuationFlags::NONE: + // Not handled; throw. + throw aEx; +// break; + + case ContinuationFlags::Approve: + // Continue -> Overwrite. + bReplaceExisting = true; + break; + + case ContinuationFlags::Disapprove: + // Abort. + throw ucb::CommandFailedException( + OUString(), + uno::Reference< uno::XInterface >(), + aExAsAny ); +// break; + + default: + SAL_WARN( "ucb.ucp.webdav", "Content::insert - " + "Unknown interaction selection!" ); + throw ucb::CommandFailedException( + "Unknown interaction selection!", + uno::Reference< uno::XInterface >(), + aExAsAny ); +// break; + } + + } + } + + if ( bTransient ) + { + // Assemble new content identifier... + OUString aURL = getParentURL(); + if ( aURL.lastIndexOf( '/' ) != ( aURL.getLength() - 1 ) ) + aURL += "/"; + + aURL += aEscapedTitle; + + try + { + xResAccess->setURL( aURL ); + + if ( bCollection ) + { + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->MKCOL( Environment ); + } + else + { + // remove options from cache, PUT may change it + // it will be refreshed when needed + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->PUT( xInputStream, Environment ); + // clean cached value of PROPFIND properties names + } + // no error , set the resourcetype to unknown type + // the resource may have transitioned from NOT FOUND or UNKNOWN to something else + // depending on the server behaviour + // this will force a recheck of the resource type + m_eResourceType = UNKNOWN; + m_eResourceTypeForLocks = UNKNOWN; + } + catch ( DAVException const & except ) + { + if ( bCollection ) + { + if ( except.getStatus() == SC_METHOD_NOT_ALLOWED ) + { + // [RFC 2518] - WebDAV + // 405 (Method Not Allowed) - MKCOL can only be + // executed on a deleted/non-existent resource. + + if ( bReplaceExisting ) + { + // Destroy old resource. + try + { + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->DESTROY( Environment ); + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, Environment, true ); + // Unreachable + } + + // Insert (recursion!). + insert( xInputStream, bReplaceExisting, Environment ); + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + + // Success! + return; + } + else + { + OUString aTitle; + try + { + NeonUri aURI( aURL ); + aTitle = aURI.GetPathBaseNameUnescaped(); + } + catch ( DAVException const & ) + { + } + + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::NameClashException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aTitle ) ), + Environment ); + // Unreachable + } + } + } + + cancelCommandExecution( except, Environment, true ); + // Unreachable + } + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xIdentifier = new ::ucbhelper::ContentIdentifier( aURL ); + } + + inserted(); + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_bTransient = false; + } + } + else + { + if ( !xInputStream.is() ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::MissingInputStreamException( + OUString(), + static_cast< cppu::OWeakObject * >( this ) ) ), + Environment ); + // Unreachable + } + + // save the URL since it may change due to redirection + OUString aTargetUrl = xResAccess->getURL(); + try + { + removeCachedPropertyNames( xResAccess->getURL() ); + // remove options from cache, PUT may change it + // it will be refreshed when needed + aStaticDAVOptionsCache.removeDAVOptions( aTargetUrl ); + xResAccess->PUT( xInputStream, Environment ); + } + catch ( DAVException const & e ) + { + cancelCommandExecution( e, Environment, true ); + // Unreachable + } + } + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } +} + + +void Content::transfer( + const ucb::TransferInfo & rArgs, + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ + uno::Reference< ucb::XContentIdentifier > xIdentifier; + uno::Reference< ucb::XContentProvider > xProvider; + std::unique_ptr< DAVResourceAccess > xResAccess; + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + xIdentifier.set( m_xIdentifier ); + xProvider.set( m_xProvider.get() ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + NeonUri sourceURI( rArgs.SourceURL ); + NeonUri targetURI( xIdentifier->getContentIdentifier() ); + + OUString aTargetURI; + try + { + aTargetURI = targetURI.GetPathBaseNameUnescaped(); + + // Check source's and target's URL scheme + + OUString aScheme = sourceURI.GetScheme().toAsciiLowerCase(); + if ( aScheme == VNDSUNSTARWEBDAV_URL_SCHEME) + { + sourceURI.SetScheme( HTTP_URL_SCHEME ); + } + else if ( aScheme == VNDSUNSTARWEBDAVS_URL_SCHEME) + { + sourceURI.SetScheme( HTTPS_URL_SCHEME ); + } + else if ( aScheme == DAV_URL_SCHEME ) + { + sourceURI.SetScheme( HTTP_URL_SCHEME ); + } + else if ( aScheme == DAVS_URL_SCHEME ) + { + sourceURI.SetScheme( HTTPS_URL_SCHEME ); + } + else if ( aScheme == WEBDAV_URL_SCHEME ) + { + sourceURI.SetScheme( HTTP_URL_SCHEME ); + } + else if ( aScheme == WEBDAVS_URL_SCHEME ) + { + sourceURI.SetScheme( HTTPS_URL_SCHEME ); + } + else + { + if ( aScheme != HTTP_URL_SCHEME && aScheme != HTTPS_URL_SCHEME ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::InteractiveBadTransferURLException( + "Unsupported URL scheme!", + static_cast< cppu::OWeakObject * >( this ) ) ), + Environment ); + // Unreachable + } + } + + aScheme = targetURI.GetScheme().toAsciiLowerCase(); + if ( aScheme == VNDSUNSTARWEBDAV_URL_SCHEME) + targetURI.SetScheme( HTTP_URL_SCHEME ); + else if ( aScheme == VNDSUNSTARWEBDAVS_URL_SCHEME) + targetURI.SetScheme( HTTPS_URL_SCHEME ); + else if ( aScheme == DAV_URL_SCHEME ) + targetURI.SetScheme( HTTP_URL_SCHEME ); + else if ( aScheme == DAVS_URL_SCHEME ) + targetURI.SetScheme( HTTPS_URL_SCHEME ); + else if ( aScheme == WEBDAV_URL_SCHEME ) + targetURI.SetScheme( HTTP_URL_SCHEME ); + else if ( aScheme == WEBDAVS_URL_SCHEME ) + targetURI.SetScheme( HTTPS_URL_SCHEME ); + + // @@@ This implementation of 'transfer' only works + // if the source and target are located at same host. + // (Neon does not support cross-server copy/move) + + // Check for same host + + if ( !sourceURI.GetHost().isEmpty() && + ( sourceURI.GetHost() != targetURI.GetHost() ) ) + { + ucbhelper::cancelCommandExecution( + uno::makeAny( ucb::InteractiveBadTransferURLException( + "Different hosts!", + static_cast< cppu::OWeakObject * >( this ) ) ), + Environment ); + // Unreachable + } + + OUString aTitle = rArgs.NewTitle; + + if ( aTitle.isEmpty() ) + aTitle = sourceURI.GetPathBaseNameUnescaped(); + + if ( aTitle == "/" ) + { + // kso: ??? + aTitle.clear(); + } + + targetURI.AppendPath( aTitle ); + + OUString aTargetURL = xIdentifier->getContentIdentifier(); + if ( ( aTargetURL.lastIndexOf( '/' ) + 1 ) + != aTargetURL.getLength() ) + aTargetURL += "/"; + + aTargetURL += aTitle; + + uno::Reference< ucb::XContentIdentifier > xTargetId + = new ::ucbhelper::ContentIdentifier( aTargetURL ); + + DAVResourceAccess aSourceAccess( m_xContext, + xResAccess->getSessionFactory(), + sourceURI.GetURI() ); + + if ( rArgs.MoveData ) + { + uno::Reference< ucb::XContentIdentifier > xId + = new ::ucbhelper::ContentIdentifier( rArgs.SourceURL ); + + // Note: The static cast is okay here, because its sure that + // xProvider is always the WebDAVContentProvider. + rtl::Reference< Content > xSource + = static_cast< Content * >( + xProvider->queryContent( xId ).get() ); + + // [RFC 2518] - WebDAV + // If a resource exists at the destination and the Overwrite + // header is "T" then prior to performing the move the server + // MUST perform a DELETE with "Depth: infinity" on the + // destination resource. If the Overwrite header is set to + // "F" then the operation will fail. + + aStaticDAVOptionsCache.removeDAVOptions( sourceURI.GetURI() ); + aStaticDAVOptionsCache.removeDAVOptions( targetURI.GetURI() ); + aSourceAccess.MOVE( sourceURI.GetPath(), + targetURI.GetURI(), + rArgs.NameClash + == ucb::NameClash::OVERWRITE, + Environment ); + + if ( xSource.is() ) + { + // Propagate destruction to listeners. + xSource->destroy( true ); + } + +// DAV resources store all additional props on server! +// // Rename own and all children's Additional Core Properties. +// renameAdditionalPropertySet( xId->getContentIdentifier(), +// xTargetId->getContentIdentifier(), +// sal_True ); + } + else + { + // [RFC 2518] - WebDAV + // If a resource exists at the destination and the Overwrite + // header is "T" then prior to performing the copy the server + // MUST perform a DELETE with "Depth: infinity" on the + // destination resource. If the Overwrite header is set to + // "F" then the operation will fail. + + aStaticDAVOptionsCache.removeDAVOptions( sourceURI.GetURI() ); + aStaticDAVOptionsCache.removeDAVOptions( targetURI.GetURI() ); + aSourceAccess.COPY( sourceURI.GetPath(), + targetURI.GetURI(), + rArgs.NameClash + == ucb::NameClash::OVERWRITE, + Environment ); + +// DAV resources store all additional props on server! +// // Copy own and all children's Additional Core Properties. +// copyAdditionalPropertySet( xId->getContentIdentifier(), +// xTargetId->getContentIdentifier(), +// sal_True ); + } + + // Note: The static cast is okay here, because its sure that + // xProvider is always the WebDAVContentProvider. + rtl::Reference< Content > xTarget + = static_cast< Content * >( + xProvider->queryContent( xTargetId ).get() ); + + // Announce transferred content in its new folder. + xTarget->inserted(); + } + catch ( ucb::IllegalIdentifierException const & ) + { + // queryContent + } + catch ( DAVException const & e ) + { + // [RFC 2518] - WebDAV + // 412 (Precondition Failed) - The server was unable to maintain + // the liveness of the properties listed in the propertybehavior + // XML element or the Overwrite header is "F" and the state of + // the destination resource is non-null. + + if ( e.getStatus() == SC_PRECONDITION_FAILED ) + { + switch ( rArgs.NameClash ) + { + case ucb::NameClash::ERROR: + { + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::NameClashException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aTargetURI ) ), + Environment ); + [[fallthrough]]; // Unreachable + } + + case ucb::NameClash::OVERWRITE: + break; + + case ucb::NameClash::KEEP: // deprecated + case ucb::NameClash::RENAME: + case ucb::NameClash::ASK: + default: + { + ucbhelper::cancelCommandExecution( + uno::makeAny( + ucb::UnsupportedNameClashException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + rArgs.NameClash ) ), + Environment ); + // Unreachable + } + } + } + + cancelCommandExecution( e, Environment, true ); + // Unreachable + } + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } +} + + +void Content::destroy( bool bDeletePhysical ) +{ + // @@@ take care about bDeletePhysical -> trashcan support + uno::Reference< ucb::XContent > xThis = this; + + deleted(); + + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + // Process instantiated children... + + ::webdav_ucp::Content::ContentRefList aChildren; + queryChildren( aChildren ); + + for ( auto& rChild : aChildren ) + { + rChild->destroy( bDeletePhysical ); + } +} + +// returns the resource type, to be checked for locks +Content::ResourceType Content::resourceTypeForLocks( + const uno::Reference< ucb::XCommandEnvironment >& Environment, + const std::unique_ptr< DAVResourceAccess > & rResAccess) +{ + ResourceType eResourceTypeForLocks = UNKNOWN; + { + osl::MutexGuard g(m_aMutex); + //check if cache contains what we need, usually the first PROPFIND on the URI has supported lock + if (m_xCachedProps) + { + uno::Sequence< ucb::LockEntry > aSupportedLocks; + if ( m_xCachedProps->getValue( DAVProperties::SUPPORTEDLOCK ) + >>= aSupportedLocks ) //get the cached value for supportedlock + { + for ( const auto& rSupportedLock : std::as_const(aSupportedLocks) ) + { + if ( rSupportedLock.Scope + == ucb::LockScope_EXCLUSIVE && + rSupportedLock.Type + == ucb::LockType_WRITE ) + eResourceTypeForLocks = DAV; + } + } + } + } + + const OUString & rURL = m_xIdentifier->getContentIdentifier(); + + if ( eResourceTypeForLocks == UNKNOWN ) + { + // resource type for lock/unlock operations still unknown, need to ask the server + + const OUString aScheme( + rURL.copy( 0, rURL.indexOf( ':' ) ).toAsciiLowerCase() ); + + if ( aScheme == FTP_URL_SCHEME ) + { + eResourceTypeForLocks = FTP; + } + else + { + DAVOptions aDAVOptions; + getResourceOptions( Environment, aDAVOptions, rResAccess ); + if( aDAVOptions.isClass1() || + aDAVOptions.isClass2() || + aDAVOptions.isClass3() ) + { + // this is at least a DAV, lock to be confirmed + // class 2 is needed for full lock support + // see + // <https://tools.ietf.org/html/rfc4918#section-18.2> + eResourceTypeForLocks = DAV_NOLOCK; + if( aDAVOptions.isClass2() ) + { + // ok, possible lock, check for it + try + { + // we need only DAV:supportedlock + std::vector< DAVResource > resources; + std::vector< OUString > aPropNames; + uno::Sequence< beans::Property > aProperties( 1 ); + aProperties[ 0 ].Name = DAVProperties::SUPPORTEDLOCK; + + ContentProperties::UCBNamesToDAVNames( aProperties, aPropNames ); + rResAccess->PROPFIND( DAVZERO, aPropNames, resources, Environment ); + + bool wasSupportedlockFound = false; + + // only one resource should be returned + if ( resources.size() == 1 ) + { + // we may have received a bunch of other properties + // (some servers seems to do so) + // but we need only supported lock for this check + // all returned properties are in + // resources.properties[n].Name/.Value + + for ( const auto& rProp : resources[0].properties ) + { + if ( rProp.Name == DAVProperties::SUPPORTEDLOCK ) + { + wasSupportedlockFound = true; + uno::Sequence< ucb::LockEntry > aSupportedLocks; + if ( rProp.Value >>= aSupportedLocks ) + { + bool isSupported = std::any_of(aSupportedLocks.begin(), aSupportedLocks.end(), + [](const ucb::LockEntry& rLock) { + // TODO: if the lock type is changed from 'exclusive write' to 'shared write' + // e.g. to implement 'Calc shared file feature', the ucb::LockScope_EXCLUSIVE + // value should be checked as well, adaptation the code may be needed + return rLock.Scope == ucb::LockScope_EXCLUSIVE + && rLock.Type == ucb::LockType_WRITE; + }); + if (isSupported) + { + // requested locking mode is supported + eResourceTypeForLocks = DAV; + SAL_INFO( "ucb.ucp.webdav", "resourceTypeForLocks - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV lock/unlock supported"); + } + break; + } + } + } + } + else + { + // PROPFIND failed; check if HEAD contains Content-Disposition: attachment (RFC1806, HTTP/1.1 19.5.1), + // which supposedly means no lock for the resource (happens e.g. with SharePoint exported lists) + OUString sContentDisposition; + // First, check cached properties + if (m_xCachedProps) + { + if ((m_xCachedProps->getValue("Content-Disposition") >>= sContentDisposition) + && sContentDisposition.startsWithIgnoreAsciiCase("attachment")) + { + eResourceTypeForLocks = DAV_NOLOCK; + wasSupportedlockFound = true; + } + } + // If no data in cache, try HEAD request + if (sContentDisposition.isEmpty() && !m_bDidGetOrHead) try + { + DAVResource resource; + GetPropsUsingHeadRequest(resource, rResAccess, {"Content-Disposition"}, Environment); + m_bDidGetOrHead = true; + for (const auto& it : resource.properties) + { + if (it.Name.equalsIgnoreAsciiCase("Content-Disposition")) + { + if ((it.Value >>= sContentDisposition) && sContentDisposition.equalsIgnoreAsciiCase("attachment")) + { + eResourceTypeForLocks = DAV_NOLOCK; + wasSupportedlockFound = true; + } + break; + } + } + } + catch (...){} + } + // check if this is still only a DAV_NOLOCK + // a fallback for resources that do not have DAVProperties::SUPPORTEDLOCK property + // we check for the returned OPTION if LOCK is allowed on the resource + if ( !wasSupportedlockFound && eResourceTypeForLocks == DAV_NOLOCK ) + { + SAL_INFO( "ucb.ucp.webdav", "This WebDAV server has no supportedlock property, check for allowed LOCK method in OPTIONS" ); + // ATTENTION: if the lock type is changed from 'exclusive write' to 'shared write' + // e.g. to implement 'Calc shared file feature' on WebDAV directly, and we arrive to this fallback + // and the LOCK is allowed, we should assume that only exclusive write lock is available + // this is just a reminder... + if ( aDAVOptions.isLockAllowed() ) + eResourceTypeForLocks = DAV; + } + } + catch ( DAVException const & e ) + { + rResAccess->resetUri(); + //grab the error code + switch( e.getStatus() ) + { + case SC_NOT_FOUND: + SAL_WARN( "ucb.ucp.webdav", "resourceTypeForLocks() - URL: <" + << m_xIdentifier->getContentIdentifier() << "> was not found. "); + eResourceTypeForLocks = NOT_FOUND; + break; + // some servers returns SC_FORBIDDEN, instead + // the meaning of SC_FORBIDDEN is, according to <http://tools.ietf.org/html/rfc7231#section-6.5.3>: + // The 403 (Forbidden) status code indicates that the server understood + // the request but refuses to authorize it + case SC_FORBIDDEN: + // Errors SC_NOT_IMPLEMENTED and SC_METHOD_NOT_ALLOWED are + // part of base http 1.1 RFCs + case SC_NOT_IMPLEMENTED: // <http://tools.ietf.org/html/rfc7231#section-6.6.2> + case SC_METHOD_NOT_ALLOWED: // <http://tools.ietf.org/html/rfc7231#section-6.5.5> + // they all mean the resource is NON_DAV + SAL_WARN( "ucb.ucp.webdav", "resourceTypeForLocks() DAVException (SC_FORBIDDEN, SC_NOT_IMPLEMENTED or SC_METHOD_NOT_ALLOWED) - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + eResourceTypeForLocks = NON_DAV; + break; + default: + //fallthrough + SAL_WARN( "ucb.ucp.webdav", "resourceTypeForLocks() DAVException - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + eResourceTypeForLocks = UNKNOWN; + } + } + } + } + else + eResourceTypeForLocks = NON_DAV; + + } + } + osl::MutexGuard g(m_aMutex); + if (m_eResourceTypeForLocks == UNKNOWN) + { + m_eResourceTypeForLocks = eResourceTypeForLocks; + } + else + { + SAL_WARN_IF( + eResourceTypeForLocks != m_eResourceTypeForLocks, "ucb.ucp.webdav", + "different resource types for <" << rURL << ">: " + << +eResourceTypeForLocks << " vs. " << +m_eResourceTypeForLocks); + } + SAL_INFO( "ucb.ucp.webdav", "resourceTypeForLocks() - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, m_eResourceTypeForLocks: " << m_eResourceTypeForLocks ); + return m_eResourceTypeForLocks; +} + +Content::ResourceType Content::resourceTypeForLocks( + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + Content::ResourceType ret = resourceTypeForLocks( Environment, xResAccess ); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + return ret; +} + +void Content::lock( + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ +// prepare aURL to be used in exception, see below + OUString aURL; + if ( m_bTransient ) + { + aURL = getParentURL(); + if ( aURL.lastIndexOf('/') != ( aURL.getLength() - 1 ) ) + aURL += "/"; + + aURL += m_aEscapedTitle; + } + else + { + aURL = m_xIdentifier->getContentIdentifier(); + } + + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + uno::Any aOwnerAny; + aOwnerAny + <<= OUString("LibreOffice - http://www.libreoffice.org/"); + + ucb::Lock aLock( + ucb::LockScope_EXCLUSIVE, + ucb::LockType_WRITE, + ucb::LockDepth_ZERO, + aOwnerAny, + 180, // lock timeout in secs + //-1, // infinite lock + uno::Sequence< OUString >() ); + + // OPTIONS may change as a consequence of the lock operation + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->LOCK( aLock, Environment ); + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & e ) + { + // check if the exception thrown is 'already locked' + // this exception is mapped directly to the ucb correct one, without + // going into the cancelCommandExecution() user interaction + // this exception should be managed by the issuer of 'lock' command + switch( e.getError() ) + { + case DAVException::DAV_LOCKED: + { + SAL_WARN( "ucb.ucp.webdav", "lock() resource already locked - URL: <" + << m_xIdentifier->getContentIdentifier() << ">"); + throw + ucb::InteractiveLockingLockedException( + "Locked!", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aURL, + false ); + } + break; + case DAVException::DAV_HTTP_AUTH: + { + SAL_WARN( "ucb.ucp.webdav", "lock() DAVException Authentication error - URL: <" + << m_xIdentifier->getContentIdentifier() << ">" ); + // DAVException::DAV_HTTP_AUTH exception can mean: + // - interaction handler for credential management not present (happens, depending + // on the LO framework processing) + // - the remote site is a WebDAV with special configuration: read/only for read operations + // and read/write for write operations, the user is not allowed to lock/write and + // she cancelled the credentials request. + // this is not actually an error, but the exception is sent directly from here, avoiding the automatic + // management that takes part in cancelCommandExecution() below + // Unfortunately there is no InteractiveNetwork*Exception available to signal this + // since it mostly happens on read/only part of webdav, this appears to be the most correct exception available + throw + ucb::InteractiveNetworkWriteException( + "Authentication error while trying to lock! Write only WebDAV perhaps?", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + e.getData() ); + } + break; + case DAVException::DAV_HTTP_ERROR: + //grab the error code + switch( e.getStatus() ) + { + // The 'case SC_NOT_FOUND' just below tries to solve a problem in eXo Platform + // WebDAV connector which apparently fail on resource first creation + // rfc4918 section-7.3 (see link below) + case SC_NOT_FOUND: // <http://tools.ietf.org/html/rfc7231#section-6.5.4> + // The 'case SC_PRECONDITION_FAILED' just below tries to solve a problem + // in SharePoint when locking the resource on first creation fails due to this: + // <https://msdn.microsoft.com/en-us/library/jj575265%28v=office.12%29.aspx#id15> + // (retrieved on 2015-08-14) + case SC_PRECONDITION_FAILED: // <http://tools.ietf.org/html/rfc7232#section-4.2> + // Errors SC_NOT_IMPLEMENTED and SC_METHOD_NOT_ALLOWED are + // part of base http 1.1 RFCs + case SC_NOT_IMPLEMENTED: // <http://tools.ietf.org/html/rfc7231#section-6.6.2> + case SC_METHOD_NOT_ALLOWED: // <http://tools.ietf.org/html/rfc7231#section-6.5.5> + SAL_WARN( "ucb.ucp.webdav", "lock() DAVException (SC_NOT_FOUND, SC_PRECONDITION_FAILED, SC_NOT_IMPLEMENTED or SC_METHOD_NOT_ALLOWED) - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + // act as nothing happened + // that's because when a resource is first created + // the lock is sent before the put, so the resource + // is actually created by LOCK, locking it before + // the first PUT, but if LOCK is not supported + // (simple web or DAV with lock disabled) we end with one of these http + // errors. + // These same errors may be reported when the LOCK on an unmapped + // (i.e. non existent) resource is not implemented. + // Detailed specification in: + // <http://tools.ietf.org/html/rfc4918#section-7.3> + return; + break; + default: + //fallthrough + ; + } + break; + case DAVException::DAV_LOCKED_SELF: + // we already hold the lock and it is in our internal lockstore + // just return as if the lock was successful + return; + break; + default: + //fallthrough + ; + } + + SAL_WARN( "ucb.ucp.webdav","lock() DAVException - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + cancelCommandExecution( e, Environment ); + // Unreachable + } +} + + +void Content::unlock( + const uno::Reference< ucb::XCommandEnvironment >& Environment ) +{ + + try + { + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + + // check if the target URL is a Class1 DAV + DAVOptions aDAVOptions; + getResourceOptions( Environment, aDAVOptions, xResAccess ); + + // at least class one is needed + if( aDAVOptions.isClass1() ) + { + // remove options from cache, unlock may change it + // it will be refreshed when needed + aStaticDAVOptionsCache.removeDAVOptions( xResAccess->getURL() ); + // clean cached value of PROPFIND properties names + removeCachedPropertyNames( xResAccess->getURL() ); + xResAccess->UNLOCK( Environment ); + } + + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + } + catch ( DAVException const & e ) + { + switch( e.getError() ) + { + case DAVException::DAV_NOT_LOCKED: + SAL_WARN( "ucb.ucp.webdav", "unlock() DAVException::DAV_NOT_LOCKED - URL: <" + << m_xIdentifier->getContentIdentifier() << ">"); + // means that we don't own any lock on this resource + // intercepted here to remove a confusing indication to the user + // unfortunately this happens in some WebDAV server configuration + // acting as WebDAV and having lock/unlock enabled only + // for authorized user. + return; + break; + case DAVException::DAV_HTTP_ERROR: + //grab the error code + switch( e.getStatus() ) + { + // Errors SC_NOT_IMPLEMENTED and SC_METHOD_NOT_ALLOWED are + // part of base http 1.1 RFCs + case SC_NOT_IMPLEMENTED: // <http://tools.ietf.org/html/rfc7231#section-6.6.2> + case SC_METHOD_NOT_ALLOWED: // <http://tools.ietf.org/html/rfc7231#section-6.5.5> + SAL_WARN( "ucb.ucp.webdav", "unlock() DAVException (SC_NOT_IMPLEMENTED or SC_METHOD_NOT_ALLOWED) - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + return; + break; + default: + //fallthrough + ; + } + break; + default: + //fallthrough + ; + } + SAL_WARN( "ucb.ucp.webdav","unlock() DAVException - URL: <" + << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + cancelCommandExecution( e, Environment ); + // Unreachable + } +} + + +bool Content::exchangeIdentity( + const uno::Reference< ucb::XContentIdentifier >& xNewId ) +{ + if ( !xNewId.is() ) + return false; + + osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex ); + + uno::Reference< ucb::XContent > xThis = this; + + // Already persistent? + if ( m_bTransient ) + { + SAL_WARN( "ucb.ucp.webdav", "Content::exchangeIdentity - Not persistent!" ); + return false; + } + + // Exchange own identitity. + + // Fail, if a content with given id already exists. +// if ( !hasData( xNewId ) ) + { + OUString aOldURL = m_xIdentifier->getContentIdentifier(); + + aGuard.clear(); + if ( exchange( xNewId ) ) + { + // Process instantiated children... + + ContentRefList aChildren; + queryChildren( aChildren ); + + for ( const auto& rChild : aChildren ) + { + ContentRef xChild = rChild; + + // Create new content identifier for the child... + uno::Reference< ucb::XContentIdentifier > + xOldChildId = xChild->getIdentifier(); + OUString aOldChildURL + = xOldChildId->getContentIdentifier(); + OUString aNewChildURL + = aOldChildURL.replaceAt( + 0, + aOldURL.getLength(), + xNewId->getContentIdentifier() ); + uno::Reference< ucb::XContentIdentifier > xNewChildId + = new ::ucbhelper::ContentIdentifier( aNewChildURL ); + + if ( !xChild->exchangeIdentity( xNewChildId ) ) + return false; + } + return true; + } + } + + SAL_WARN( "ucb.ucp.webdav", "Content::exchangeIdentity - " + "Panic! Cannot exchange identity!" ); + return false; +} + + +bool Content::isFolder( + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ + { + osl::MutexGuard aGuard( m_aMutex ); + + if ( m_bTransient ) + return m_bCollection; + } + + uno::Sequence< beans::Property > aProperties( 1 ); + aProperties[ 0 ].Name = "IsFolder"; + aProperties[ 0 ].Handle = -1; + uno::Reference< sdbc::XRow > xRow( getPropertyValues( aProperties, xEnv ) ); + if ( xRow.is() ) + { + try + { + return xRow->getBoolean( 1 ); + } + catch ( sdbc::SQLException const & ) + { + } + } + + return false; +} + + +uno::Any Content::MapDAVException( const DAVException & e, bool bWrite ) +{ + // Map DAVException... + uno::Any aException; + + OUString aURL; + if ( m_bTransient ) + { + aURL = getParentURL(); + if ( aURL.lastIndexOf('/') != ( aURL.getLength() - 1 ) ) + aURL += "/"; + + aURL += m_aEscapedTitle; + } + else + { + aURL = m_xIdentifier->getContentIdentifier(); + } + + switch ( e.getStatus() ) + { + case SC_NOT_FOUND: + { + uno::Sequence< uno::Any > aArgs( 1 ); + aArgs[ 0 ] <<= beans::PropertyValue( + "Uri", -1, + uno::makeAny(aURL), + beans::PropertyState_DIRECT_VALUE); + + aException <<= + ucb::InteractiveAugmentedIOException( + "Not found!", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + ucb::IOErrorCode_NOT_EXISTING, + aArgs ); + return aException; + } + default: + break; + } + + switch ( e.getError() ) + { + case DAVException::DAV_HTTP_ERROR: + { + if ( bWrite ) + aException <<= + ucb::InteractiveNetworkWriteException( + e.getData(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + e.getData() ); + else + aException <<= + ucb::InteractiveNetworkReadException( + e.getData(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + e.getData() ); + break; + } + + case DAVException::DAV_HTTP_LOOKUP: + aException <<= + ucb::InteractiveNetworkResolveNameException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + e.getData() ); + break; + +// @@@ No matching InteractiveNetwork*Exception +// case DAVException::DAV_HTTP_AUTH: +// break; + +// @@@ No matching InteractiveNetwork*Exception +// case DAVException::DAV_HTTP_AUTHPROXY: +// break; + + case DAVException::DAV_HTTP_TIMEOUT: + case DAVException::DAV_HTTP_CONNECT: + aException <<= + ucb::InteractiveNetworkConnectException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + e.getData() ); + break; + +// @@@ No matching InteractiveNetwork*Exception +// case DAVException::DAV_HTTP_REDIRECT: +// break; + +// @@@ No matching InteractiveNetwork*Exception +// case DAVException::DAV_SESSION_CREATE: +// break; + + case DAVException::DAV_INVALID_ARG: + aException <<= + lang::IllegalArgumentException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + -1 ); + break; + + case DAVException::DAV_LOCKED: + aException <<= + ucb::InteractiveLockingLockedException( + "Locked!", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aURL, + false ); // not SelfOwned + break; + + case DAVException::DAV_LOCKED_SELF: + aException <<= + ucb::InteractiveLockingLockedException( + "Locked (self!)", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aURL, + true ); // SelfOwned + break; + + case DAVException::DAV_NOT_LOCKED: + aException <<= + ucb::InteractiveLockingNotLockedException( + "Not locked!", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aURL ); + break; + + case DAVException::DAV_LOCK_EXPIRED: + aException <<= + ucb::InteractiveLockingLockExpiredException( + "Lock expired!", + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR, + aURL ); + break; + + default: + aException <<= + ucb::InteractiveNetworkGeneralException( + OUString(), + static_cast< cppu::OWeakObject * >( this ), + task::InteractionClassification_ERROR ); + break; + } + + return aException; +} + + +// static +bool Content::shouldAccessNetworkAfterException( const DAVException & e ) +{ + return !(( e.getStatus() == SC_NOT_FOUND ) || + ( e.getStatus() == SC_GONE ) || + ( e.getError() == DAVException::DAV_HTTP_TIMEOUT ) || + ( e.getError() == DAVException::DAV_HTTP_LOOKUP ) || + ( e.getError() == DAVException::DAV_HTTP_CONNECT ) || + ( e.getError() == DAVException::DAV_HTTP_AUTH ) || + ( e.getError() == DAVException::DAV_HTTP_AUTHPROXY )); +} + + +void Content::cancelCommandExecution( + const DAVException & e, + const uno::Reference< ucb::XCommandEnvironment > & xEnv, + bool bWrite /* = sal_False */ ) +{ + ucbhelper::cancelCommandExecution( MapDAVException( e, bWrite ), xEnv ); + // Unreachable +} + + +OUString +Content::getBaseURI( const std::unique_ptr< DAVResourceAccess > & rResAccess ) +{ + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + + // First, try to obtain value of response header "Content-Location". + if (m_xCachedProps) + { + OUString aLocation; + m_xCachedProps->getValue( "Content-Location" ) >>= aLocation; + if ( !aLocation.isEmpty() ) + { + try + { + // Do not use m_xIdentifier->getContentIdentifier() because it + // for example does not reflect redirects applied to requests + // done using the original URI but m_xResAccess' URI does. + return rtl::Uri::convertRelToAbs( rResAccess->getURL(), + aLocation ); + } + catch ( rtl::MalformedUriException const & ) + { + } + } + } + + return rResAccess->getURL(); +} + +// resource type is the type of the WebDAV resource +Content::ResourceType Content::getResourceType( + const uno::Reference< ucb::XCommandEnvironment >& xEnv, + const std::unique_ptr< DAVResourceAccess > & rResAccess, + bool * networkAccessAllowed) +{ + { + osl::MutexGuard g(m_aMutex); + if (m_eResourceType != UNKNOWN) { + return m_eResourceType; + } + } + + ResourceType eResourceType = UNKNOWN; + DAVOptions aDAVOptions; + + const OUString & rURL = rResAccess->getURL(); + const OUString aScheme( + rURL.copy( 0, rURL.indexOf( ':' ) ).toAsciiLowerCase() ); + + if ( aScheme == FTP_URL_SCHEME ) + { + eResourceType = FTP; + } + else + { + getResourceOptions( xEnv, aDAVOptions, rResAccess, networkAccessAllowed ); + + // at least class one is needed + if( aDAVOptions.isClass1() ) + { + try + { + // Try to fetch some frequently used property value, e.g. those + // used when loading documents... along with identifying whether + // this is a DAV resource. + std::vector< DAVResource > resources; + std::vector< OUString > aPropNames; + uno::Sequence< beans::Property > aProperties( 5 ); + aProperties[ 0 ].Name = "IsFolder"; + aProperties[ 1 ].Name = "IsDocument"; + aProperties[ 2 ].Name = "IsReadOnly"; + aProperties[ 3 ].Name = "MediaType"; + aProperties[ 4 ].Name = DAVProperties::SUPPORTEDLOCK; + + ContentProperties::UCBNamesToDAVNames( aProperties, aPropNames ); + + rResAccess->PROPFIND( DAVZERO, aPropNames, resources, xEnv ); + + if ( resources.size() == 1 ) + { +#if defined SAL_LOG_INFO + {//debug + // print received resources + for ( const auto& rProp : resources[0].properties ) + { + OUString aPropValue; + bool bValue; + uno::Sequence< ucb::LockEntry > aSupportedLocks; + if(rProp.Value >>= aPropValue ) + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << rProp.Name << ":" << aPropValue ); + else if( rProp.Value >>= bValue ) + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << rProp.Name << ":" << + ( bValue ? "true" : "false" ) ); + else if( rProp.Value >>= aSupportedLocks ) + { + SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << rProp.Name << ":" ); + for ( sal_Int32 n = 0; n < aSupportedLocks.getLength(); ++n ) + { + SAL_INFO( "ucb.ucp.webdav","PROPFIND (getResourceType) - supportedlock[" << n <<"]: scope: " + << ( aSupportedLocks[ n ].Scope == css::ucb::LockScope_SHARED ? "shared" : "exclusive" ) + << ", type: " + << ( aSupportedLocks[ n ].Type != css::ucb::LockType_WRITE ? "" : "write" ) ); + } + } + } + } +#endif + osl::MutexGuard g(m_aMutex); + m_xCachedProps.reset( + new CachableContentProperties( ContentProperties( resources[ 0 ] ) ) ); + m_xCachedProps->containsAllNames( + aProperties, m_aFailedPropNames ); + } + eResourceType = DAV; + } + catch ( DAVException const & e ) + { + rResAccess->resetUri(); + + SAL_WARN( "ucb.ucp.webdav", "Content::getResourceType returned errors, DAV ExceptionCode: " << e.getError() << ", HTTP error: " << e.getStatus() ); + + if ( e.getStatus() == SC_METHOD_NOT_ALLOWED ) + { + // Status SC_METHOD_NOT_ALLOWED is a safe indicator that the + // resource is NON_DAV + eResourceType = NON_DAV; + } + else if (networkAccessAllowed != nullptr) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + if ( e.getStatus() == SC_NOT_FOUND ) + { + // arrives here if OPTIONS is still cached for a resource previously available + // operate on the OPTIONS cache: + // if OPTIONS was not found, do nothing + // else OPTIONS returned on a resource not existent (example a server that allows lock on null resource) set + // not found and adjust lifetime accordingly + DAVOptions aDAVOptionsInner; + if( aStaticDAVOptionsCache.getDAVOptions( rURL, aDAVOptionsInner ) ) + { + // TODO? get redirected url + aDAVOptionsInner.setHttpResponseStatusCode( e.getStatus() ); + aDAVOptionsInner.setHttpResponseStatusText( e.getData() ); + aStaticDAVOptionsCache.addDAVOptions( aDAVOptionsInner, + m_nOptsCacheLifeNotFound ); + } + } + // if the two net events below happen, something + // is going on to the connection so break the command flow + if ( ( e.getError() == DAVException::DAV_HTTP_TIMEOUT ) || + ( e.getError() == DAVException::DAV_HTTP_CONNECT ) ) + { + cancelCommandExecution( e, xEnv ); + // unreachable + } + } + } + else + { + rResAccess->resetUri(); + + // first check if the cached error can be mapped to DAVException::DAV_HTTP_TIMEOUT or mapped to DAVException::DAV_HTTP_CONNECT + if ( aDAVOptions.getHttpResponseStatusCode() == USC_CONNECTION_TIMED_OUT ) + { + // behave same as DAVException::DAV_HTTP_TIMEOUT or DAVException::DAV_HTTP_CONNECT was thrown + try + { + // extract host name and connection port + NeonUri theUri( rURL ); + const OUString& aHostName = theUri.GetHost(); + sal_Int32 nPort = theUri.GetPort(); + throw DAVException( DAVException::DAV_HTTP_TIMEOUT, + NeonUri::makeConnectionEndPointString( aHostName, + nPort ) ); + } + catch ( DAVException& exp ) + { + cancelCommandExecution( exp, xEnv ); + } + } + + if ( aDAVOptions.getHttpResponseStatusCode() != SC_NOT_FOUND && + aDAVOptions.getHttpResponseStatusCode() != SC_GONE ) // the cached OPTIONS can have SC_GONE + { + eResourceType = NON_DAV; + } + else + { + //resource doesn't exist + if ( networkAccessAllowed != nullptr ) + *networkAccessAllowed = false; } + } + } + + osl::MutexGuard g(m_aMutex); + if (m_eResourceType == UNKNOWN) { + m_eResourceType = eResourceType; + } else { + SAL_WARN_IF( + eResourceType != m_eResourceType, "ucb.ucp.webdav", + "different resource types for <" << rURL << ">: " + << +eResourceType << " vs. " << +m_eResourceType); + } + SAL_INFO( "ucb.ucp.webdav", "m_eResourceType for <"<<rURL<<">: " << m_eResourceType ); + return m_eResourceType; +} + + +Content::ResourceType Content::getResourceType( + const uno::Reference< ucb::XCommandEnvironment >& xEnv ) +{ + std::unique_ptr< DAVResourceAccess > xResAccess; + { + osl::MutexGuard aGuard( m_aMutex ); + xResAccess.reset(new DAVResourceAccess(*m_xResAccess)); + } + Content::ResourceType const ret = getResourceType( xEnv, xResAccess ); + { + osl::Guard< osl::Mutex > aGuard( m_aMutex ); + m_xResAccess.reset(new DAVResourceAccess(*xResAccess)); + } + return ret; +} + + +void Content::initOptsCacheLifeTime() +{ + // see description in + // officecfg/registry/schema/org/openoffice/Inet.xcs + // for use of these field values. + sal_uInt32 nAtime; + nAtime = officecfg::Inet::Settings::OptsCacheLifeImplWeb::get( m_xContext ); + m_nOptsCacheLifeImplWeb = std::max( sal_uInt32( 0 ), + std::min( nAtime, sal_uInt32( 3600 ) ) ); + + nAtime = officecfg::Inet::Settings::OptsCacheLifeDAV::get( m_xContext ); + m_nOptsCacheLifeDAV = std::max( sal_uInt32( 0 ), + std::min( nAtime, sal_uInt32( 3600 ) ) ); + + nAtime = officecfg::Inet::Settings::OptsCacheLifeDAVLocked::get( m_xContext ); + m_nOptsCacheLifeDAVLocked = std::max( sal_uInt32( 0 ), + std::min( nAtime, sal_uInt32( 3600 ) ) ); + + nAtime = officecfg::Inet::Settings::OptsCacheLifeNotImpl::get( m_xContext ); + m_nOptsCacheLifeNotImpl = std::max( sal_uInt32( 0 ), + std::min( nAtime, sal_uInt32( 43200 ) ) ); + + nAtime = officecfg::Inet::Settings::OptsCacheLifeNotFound::get( m_xContext ); + m_nOptsCacheLifeNotFound = std::max( sal_uInt32( 0 ), + std::min( nAtime, sal_uInt32( 30 ) ) ); +} + + +void Content::getResourceOptions( + const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv, + DAVOptions& rDAVOptions, + const std::unique_ptr< DAVResourceAccess > & rResAccess, + bool * networkAccessAllowed ) +{ + OUString aRedirURL; + OUString aTargetURL = rResAccess->getURL(); + DAVOptions aDAVOptions; + // first check if in cache, if not, then send method to server + if ( !aStaticDAVOptionsCache.getDAVOptions( aTargetURL, aDAVOptions ) ) + { + try + { + rResAccess->OPTIONS( aDAVOptions, xEnv ); + // IMPORTANT:the correctly implemented server will answer without errors, even if the resource is not present + sal_uInt32 nLifeTime = ( aDAVOptions.isClass1() || + aDAVOptions.isClass2() || + aDAVOptions.isClass3() ) ? + m_nOptsCacheLifeDAV : // a WebDAV site + m_nOptsCacheLifeImplWeb; // a site implementing OPTIONS but + // it's not DAV + // if resource is locked, will use a + // different lifetime + if( aDAVOptions.isLocked() ) + nLifeTime = m_nOptsCacheLifeDAVLocked; + + // check if redirected + aRedirURL = rResAccess->getURL(); + if( aRedirURL == aTargetURL) + { // no redirection + aRedirURL.clear(); + } + // cache this URL's option + aDAVOptions.setURL( aTargetURL ); + aDAVOptions.setRedirectedURL( aRedirURL ); + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + nLifeTime ); + } + catch ( DAVException const & e ) + { + // first, remove from cache, will be added if needed, depending on the error received + aStaticDAVOptionsCache.removeDAVOptions( aTargetURL ); + rResAccess->resetUri(); + + aDAVOptions.setURL( aTargetURL ); + aDAVOptions.setRedirectedURL( aRedirURL ); + switch( e.getError() ) + { + case DAVException::DAV_HTTP_TIMEOUT: + case DAVException::DAV_HTTP_CONNECT: + { + // something bad happened to the connection + // not same as not found, this instead happens when the server doesn't exist or doesn't answer at all + // probably a new bit stating 'timed out' should be added to opts var? + // in any case abort the command + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - DAVException: DAV_HTTP_TIMEOUT or DAV_HTTP_CONNECT for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + // cache the internal unofficial status code + + aDAVOptions.setHttpResponseStatusCode( USC_CONNECTION_TIMED_OUT ); + // used only internally, so the text doesn't really matter... + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotFound ); + if ( networkAccessAllowed != nullptr ) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + } + break; + case DAVException::DAV_HTTP_LOOKUP: + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - DAVException: DAV_HTTP_LOOKUP for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + aDAVOptions.setHttpResponseStatusCode( USC_LOOKUP_FAILED ); + // used only internally, so the text doesn't really matter... + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotFound ); + if ( networkAccessAllowed != nullptr ) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + } + break; + case DAVException::DAV_HTTP_AUTH: + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - DAVException: DAV_HTTP_AUTH for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + // - the remote site is a WebDAV with special configuration: read/only for read operations + // and read/write for write operations, the user is not allowed to lock/write and + // she cancelled the credentials request. + // this is not actually an error, it means only that for current user this is a standard web, + // though possibly DAV enabled + aDAVOptions.setHttpResponseStatusCode( USC_AUTH_FAILED ); + // used only internally, so the text doesn't really matter... + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotFound ); + if ( networkAccessAllowed != nullptr ) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + } + break; + case DAVException::DAV_HTTP_AUTHPROXY: + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - DAVException: DAV_HTTP_AUTHPROXY for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + aDAVOptions.setHttpResponseStatusCode( USC_AUTHPROXY_FAILED ); + // used only internally, so the text doesn't really matter... + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotFound ); + if ( networkAccessAllowed != nullptr ) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + } + break; + case DAVException::DAV_HTTP_ERROR: + { + switch( e.getStatus() ) + { + case SC_FORBIDDEN: + { + SAL_WARN( "ucb.ucp.webdav","OPTIONS - SC_FORBIDDEN for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + // cache it, so OPTIONS won't be called again, this URL does not support it + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotImpl ); + } + break; + case SC_BAD_REQUEST: + case SC_INTERNAL_SERVER_ERROR: + { + SAL_WARN( "ucb.ucp.webdav","OPTIONS - SC_BAD_REQUEST or SC_INTERNAL_SERVER_ERROR for URL <" << m_xIdentifier->getContentIdentifier() << ">, HTTP error: "<< e.getStatus() + << ", '" << e.getData() << "'" ); + // cache it, so OPTIONS won't be called again, this URL detect some problem while answering the method + aDAVOptions.setHttpResponseStatusCode( e.getStatus() ); + aDAVOptions.setHttpResponseStatusText( e.getData() ); + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotFound ); + } + break; + case SC_NOT_IMPLEMENTED: + case SC_METHOD_NOT_ALLOWED: + { + // OPTIONS method must be implemented in DAV + // resource is NON_DAV, or not advertising it + SAL_WARN( "ucb.ucp.webdav","OPTIONS - SC_NOT_IMPLEMENTED or SC_METHOD_NOT_ALLOWED for URL <" << m_xIdentifier->getContentIdentifier() << ">, HTTP error: "<< e.getStatus() + << ", '" << e.getData() << "'" ); + // cache it, so OPTIONS won't be called again, this URL does not support it + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotImpl ); + } + break; + case SC_NOT_FOUND: + { + // Apparently on IIS 10.0, if you disabled OPTIONS method, this error is the one reported, + // instead of SC_NOT_IMPLEMENTED or SC_METHOD_NOT_ALLOWED. + // So check if this is an available resource, or a real 'Not Found' event. + sal_uInt32 nLifeTime = m_nOptsCacheLifeNotFound; + if( isResourceAvailable( xEnv, rResAccess, aDAVOptions ) ) + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - Got an SC_NOT_FOUND, but the URL <" << m_xIdentifier->getContentIdentifier() << "> resource exists" ); + nLifeTime = m_nOptsCacheLifeNotImpl; + } + else + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - SC_NOT_FOUND for URL <" << m_xIdentifier->getContentIdentifier() << ">" ); + if ( networkAccessAllowed != nullptr ) + { + *networkAccessAllowed = *networkAccessAllowed + && shouldAccessNetworkAfterException(e); + } + } + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + nLifeTime ); + } + break; + default: + { + SAL_WARN( "ucb.ucp.webdav", "OPTIONS - DAV_HTTP_ERROR, for URL <" << m_xIdentifier->getContentIdentifier() << ">, HTTP error: "<< e.getStatus() + << ", '" << e.getData() << "'" ); + aDAVOptions.setHttpResponseStatusCode( e.getStatus() ); + aDAVOptions.setHttpResponseStatusText( e.getData() ); + // cache it, so OPTIONS won't be called again, this URL does not support it + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotImpl ); + } + break; + } + } + break; + // The 'DAVException::DAV_HTTP_REDIRECT' means we reached the maximum + // number of redirections, consider the resource type as UNKNOWN + // possibly a normal web site, not DAV + case DAVException::DAV_HTTP_REDIRECT: + default: + { + SAL_WARN( "ucb.ucp.webdav","OPTIONS - General DAVException (or max DAV_HTTP_REDIRECT reached) for URL <" << m_xIdentifier->getContentIdentifier() << ">, DAV ExceptionCode: " + << e.getError() << ", HTTP error: "<< e.getStatus() ); + aStaticDAVOptionsCache.addDAVOptions( aDAVOptions, + m_nOptsCacheLifeNotImpl ); + } + break; + } + } + } + else + { + // check current response status code, perhaps we need to set networkAccessAllowed + sal_uInt16 CachedResponseStatusCode = aDAVOptions.getHttpResponseStatusCode(); + if ( networkAccessAllowed != nullptr && + ( ( CachedResponseStatusCode == SC_NOT_FOUND ) || + ( CachedResponseStatusCode == SC_GONE ) || + ( CachedResponseStatusCode == USC_CONNECTION_TIMED_OUT ) || + ( CachedResponseStatusCode == USC_LOOKUP_FAILED ) || + ( CachedResponseStatusCode == USC_AUTH_FAILED ) || + ( CachedResponseStatusCode == USC_AUTHPROXY_FAILED ) + ) + ) + { + *networkAccessAllowed = false; + } + } + rDAVOptions = aDAVOptions; +} + + +//static +bool Content::isResourceAvailable( const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv, + const std::unique_ptr< DAVResourceAccess > & rResAccess, + DAVOptions& rDAVOptions ) +{ + std::vector< OUString > aHeaderNames; + DAVResource aResource; + + try + { + // To check for the physical URL resource availability, first + // try using a simple HEAD command + // if HEAD is successful, set element found, + rResAccess->HEAD( aHeaderNames, aResource, xEnv ); + rDAVOptions.setHttpResponseStatusCode( 0 ); + rDAVOptions.setHttpResponseStatusText( OUString() ); + return true; + } + catch ( DAVException const & e ) + { + if ( e.getError() == DAVException::DAV_HTTP_ERROR ) + { + if ( e.getStatus() == SC_NOT_IMPLEMENTED || + e.getStatus() == SC_METHOD_NOT_ALLOWED || + e.getStatus() == SC_NOT_FOUND ) + { + SAL_WARN( "ucb.ucp.webdav", "HEAD probably not implemented: fall back to a partial GET" ); + // set in cached OPTIONS "HEAD not implemented" + // so it won't be used again on this resource + rDAVOptions.setHeadAllowed( false ); + try + { + // do a GET with a payload of 0, the server does not + // support HEAD (or has HEAD disabled) + DAVRequestHeaders aPartialGet; + aPartialGet.emplace_back( + OUString( "Range" ), + OUString( "bytes=0-0" )); + + rResAccess->GET0( aPartialGet, + aHeaderNames, + aResource, + xEnv ); + return true; + } + catch ( DAVException const & ex ) + { + if ( ex.getError() == DAVException::DAV_HTTP_ERROR ) + { + rDAVOptions.setHttpResponseStatusCode( ex.getStatus() ); + rDAVOptions.setHttpResponseStatusText( ex.getData() ); + } + } + } + else + { + rDAVOptions.setHttpResponseStatusCode( e.getStatus() ); + rDAVOptions.setHttpResponseStatusText( e.getData() ); + } + } + return false; + } + catch ( ... ) + { + } + // set SC_NOT_IMPLEMENTED since at a minimum GET must be implemented in a basic Web server + rDAVOptions.setHttpResponseStatusCode( SC_NOT_IMPLEMENTED ); + rDAVOptions.setHttpResponseStatusText( OUString() ); + return false; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |