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/* -*- 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 <comphelper/processfactory.hxx>
#include <osl/diagnose.h>
#include <osl/doublecheckedlocking.h>
#include <rtl/uri.hxx>
#include <rtl/ustrbuf.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/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 <com/sun/star/uno/XComponentContext.hpp>
#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< rtl::OUString >& rProps,
std::vector< rtl::OUString > &aHeaderNames,
const std::unique_ptr< DAVResourceAccess > &xResAccess,
std::unique_ptr< ContentProperties > &xProps,
const uno::Reference< ucb::XCommandEnvironment >& xEnv )
{
bool bIsRequestSize = false;
DAVResource aResource;
DAVRequestHeaders aPartialGet;
aPartialGet.push_back( DAVRequestHeader( OUString( "Range" ), // see <https://tools.ietf.org/html/rfc7233#section-3.1>
OUString( "bytes=0-0" ) ) );
for ( std::vector< rtl::OUString >::const_iterator it = aHeaderNames.begin();
it != aHeaderNames.end(); ++it )
{
if ( *it == "Content-Length" )
{
bIsRequestSize = true;
break;
}
}
if ( bIsRequestSize )
{
// we need to know if the server accepts range requests for a resource
// and the range unit it uses
aHeaderNames.push_back( OUString( "Accept-Ranges" ) ); // see <https://tools.ietf.org/html/rfc7233#section-2.3>
aHeaderNames.push_back( OUString( "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
rtl::OUString aAcceptRanges, aContentRange, aContentLength;
std::vector< DAVPropertyValue > &aResponseProps = aResource.properties;
for ( std::vector< DAVPropertyValue >::const_iterator it = aResponseProps.begin();
it != aResponseProps.end(); ++it )
{
if ( it->Name == "Accept-Ranges" )
it->Value >>= aAcceptRanges;
else if ( it->Name == "Content-Range" )
it->Value >>= aContentRange;
else if ( it->Name == "Content-Length" )
it->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 )
{
rtl::OUString aSize = aContentRange.copy( nSlash + 1 );
// "*" means that the instance-length is unknown at the time when the response was generated
if ( aSize != "*" )
{
for ( std::vector< DAVPropertyValue >::iterator it = aResponseProps.begin();
it != aResponseProps.end(); ++it )
{
if (it->Name == "Content-Length")
{
it->Value <<= aSize;
break;
}
}
}
}
}
}
if ( xProps.get() )
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 an 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 & )
{
}
cppu::OTypeCollection * pCollection = nullptr;
if ( bFolder )
{
static cppu::OTypeCollection* pFolderTypes = nullptr;
pCollection = pFolderTypes;
if ( !pCollection )
{
osl::Guard< osl::Mutex > aGuard( osl::Mutex::getGlobalMutex() );
pCollection = pFolderTypes;
if ( !pCollection )
{
static cppu::OTypeCollection aCollection(
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 ) ); // !!
pCollection = &aCollection;
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
pFolderTypes = pCollection;
}
}
else {
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
}
}
else
{
static cppu::OTypeCollection* pDocumentTypes = nullptr;
pCollection = pDocumentTypes;
if ( !pCollection )
{
osl::Guard< osl::Mutex > aGuard( osl::Mutex::getGlobalMutex() );
pCollection = pDocumentTypes;
if ( !pCollection )
{
static cppu::OTypeCollection aCollection(
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 ) );
pCollection = &aCollection;
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
pDocumentTypes = pCollection;
}
}
else {
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
}
}
return (*pCollection).getTypes();
}
// XServiceInfo methods.
// virtual
OUString SAL_CALL Content::getImplementationName()
{
return OUString( "com.sun.star.comp.ucb.WebDAVContent" );
}
// virtual
uno::Sequence< OUString > SAL_CALL Content::getSupportedServiceNames()
{
uno::Sequence<OUString> aSNS { WEBDAV_CONTENT_SERVICE_NAME };
return aSNS;
}
// 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 OUString( WEBDAV_COLLECTION_TYPE );
return OUString( 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.getLength() )
{
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.get() ) );
}
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.get() ) );
}
}
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.get() ) );
}
xResAccess->abort();
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
m_xResAccess.reset( new DAVResourceAccess( *xResAccess.get() ) );
}
}
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.get() ) );
}
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.get() ) );
}
// 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.get() ) );
}
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.get() ) );
}
// 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();
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 );
sal_Int32 nCount = rProperties.getLength();
if ( nCount )
{
uno::Reference< beans::XPropertySet > xAdditionalPropSet;
bool bTriedToGetAdditionalPropSet = false;
const beans::Property* pProps = rProperties.getConstArray();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const beans::Property& rProp = pProps[ n ];
// 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.set(
rProvider->getAdditionalPropertySet( rContentId,
false ),
uno::UNO_QUERY );
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();
PropertyValueMap::const_iterator it = xProps->begin();
PropertyValueMap::const_iterator end = xProps->end();
ContentProvider * pProvider
= static_cast< ContentProvider * >( rProvider.get() );
beans::Property aProp;
while ( it != end )
{
if ( pProvider->getProperty( (*it).first, aProp ) )
xRow->appendObject( aProp, (*it).second.value() );
++it;
}
// Append all local Additional Properties.
uno::Reference< beans::XPropertySet > xSet(
rProvider->getAdditionalPropertySet( rContentId, false ),
uno::UNO_QUERY );
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 catched 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.get() ) );
// First, ask cache...
if ( m_xCachedProps.get() )
{
xCachedProps.reset( new ContentProperties( *m_xCachedProps.get() ) );
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.get() ) );
}
}
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.get() )
{
xCachedProps.reset(
new ContentProperties( *m_xCachedProps.get() ) );
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.get() ) );
}
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 = 0;
sal_Int32 nCount = rProperties.getLength();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const OUString & rName = rProperties[ n ].Name;
std::vector< OUString >::const_iterator it
= m_aFailedPropNames.begin();
std::vector< OUString >::const_iterator end
= m_aFailedPropNames.end();
while ( it != end )
{
if ( *it == rName )
{
// the failed property in cache is the same as the requested one,
// so add it to the requested properties list
aProperties[ nProps ] = rProperties[ n ];
nProps++;
break;
}
++it;
}
if ( it == end )
{
aProperties[ nProps ] = rProperties[ n ];
nProps++;
}
}
aProperties.realloc( nProps );
}
else
{
aProperties = rProperties;
}
if ( aProperties.getLength() > 0 )
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
std::vector< DAVPropertyValue >::const_iterator it = resources[0].properties.begin();
std::vector< DAVPropertyValue >::const_iterator end = resources[0].properties.end();
while ( it != end )
{
OUString aPropValue;
bool bValue;
uno::Sequence< ucb::LockEntry > aSupportedLocks;
if( (*it).Value >>= aPropValue )
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << (*it).Name << ":" << aPropValue );
else if( (*it).Value >>= bValue )
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << (*it).Name << ":" <<
( bValue ? "true" : "false" ) );
else if( (*it).Value >>= aSupportedLocks )
{
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getPropertyValues) - returned property: " << (*it).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" ) );
}
}
++it;
}
}
#endif
if ( xProps.get())
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.get()
&& 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.push_back( "Content-Type" );
}
if (!aHeaderNames.empty()) try
{
DAVResource resource;
GetPropsUsingHeadRequest(resource, xResAccess, aHeaderNames, xEnv);
m_bDidGetOrHead = true;
if (xProps.get())
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 )
{
//xProps.reset(
// new ContentProperties( aUnescapedTitle ) );
xProps->addProperty(
"Title",
uno::makeAny( aUnescapedTitle ),
true );
}
else
{
if ( !xProps.get() )
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 ( std::vector< rtl::OUString >::const_iterator it = aMissingProps.begin();
it != aMissingProps.end(); ++it )
{
// For the time being only a couple of properties need to be added
if ( (*it) == "DateModified" || (*it) == "DateCreated" )
{
util::DateTime aDate;
xProps->addProperty(
(*it),
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 ( (*it) == "IsFolder" )
{
xProps->addProperty(
(*it),
uno::makeAny( false ),
true );
}
else if ( (*it) == "IsDocument" )
{
xProps->addProperty(
(*it),
uno::makeAny( true ),
true );
}
}
}
sal_Int32 nCount = rProperties.getLength();
for ( sal_Int32 n = 0; n < nCount; ++n )
{
const OUString rName = rProperties[ n ].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.get() )
m_xCachedProps.reset( new CachableContentProperties( *xProps.get() ) );
else
m_xCachedProps->addProperties( *xProps.get() );
m_xResAccess.reset( new DAVResourceAccess( *xResAccess.get() ) );
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.get() ) );
}
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;
std::vector< sal_Int32 > aProppatchPropsPositions;
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 );
// remember position within sequence of values (for
// error handling).
aProppatchPropsPositions.push_back( n );
}
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 );
std::vector< ProppatchValue >::const_iterator it
= aProppatchValues.begin();
std::vector< ProppatchValue >::const_iterator end
= aProppatchValues.end();
while ( it != end )
{
aEvent.PropertyName = (*it).name;
aEvent.OldValue = uno::Any(); // @@@ to expensive to obtain!
aEvent.NewValue = (*it).value;
aChanges.getArray()[ nChanged ] = aEvent;
nChanged++;
++it;
}
}
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.get() ) );
}
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.get() ) );
}
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.get())
m_xCachedProps.reset(
new CachableContentProperties( ContentProperties( aResource ) ) );
else
m_xCachedProps->addProperties( ContentProperties( aResource ) );
m_xResAccess.reset(
new DAVResourceAccess( *xResAccess.get() ) );
}
}
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.get() ) );
}
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.get())
m_xCachedProps.reset(
new CachableContentProperties( ContentProperties( aResource ) ) );
else
m_xCachedProps->addProperties(
aResource.properties );
m_xResAccess.reset(
new DAVResourceAccess( *xResAccess.get() ) );
}
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.get() ) );
}
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.get() ) );
}
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.get() ) );
}
removeCachedPropertyNames( xResAccess->getURL() );
xResAccess->POST( rArg.MediaType,
rArg.Referer,
rArg.Source,
xResult,
xEnv );
{
osl::MutexGuard aGuard( m_aMutex );
m_xResAccess.reset(
new DAVResourceAccess( *xResAccess.get() ) );
}
}
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();
::ucbhelper::ContentRefList::const_iterator it = aAllContents.begin();
::ucbhelper::ContentRefList::const_iterator end = aAllContents.end();
while ( it != end )
{
::ucbhelper::ContentImplHelperRef xChild = (*it);
OUString aChildURL
= xChild->getIdentifier()->getContentIdentifier();
// Is aURL a prefix of aChildURL?
if ( ( aChildURL.getLength() > nLen ) &&
( aChildURL.startsWith( aURL ) ) )
{
sal_Int32 nPos = nLen;
nPos = aChildURL.indexOf( '/', nPos );
if ( ( nPos == -1 ) ||
( nPos == ( aChildURL.getLength() - 1 ) ) )
{
// No further slashes / only a final slash. It's a child!
rChildren.push_back(
::webdav_ucp::Content::ContentRef(
static_cast< ::webdav_ucp::Content * >(
xChild.get() ) ) );
}
}
++it;
}
}
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.get() ) );
}
// 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() )
{
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;
}
}
else
{
// No IH; throw.
throw aEx;
}
}
}
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.get() ) );
}
// 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.get() ) );
}
}
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.get() ) );
}
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 == WEBDAV_URL_SCHEME )
{
sourceURI.SetScheme(
HTTP_URL_SCHEME );
}
else if ( aScheme == WEBDAVS_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 != 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 == WEBDAV_URL_SCHEME )
targetURI.SetScheme(
HTTP_URL_SCHEME );
else if ( aScheme == WEBDAVS_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 );
// @@@ 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 );
SAL_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.get() ) );
}
}
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 );
ContentRefList::const_iterator it = aChildren.begin();
ContentRefList::const_iterator end = aChildren.end();
while ( it != end )
{
(*it)->destroy( bDeletePhysical );
++it;
}
}
// 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
std::unique_ptr< ContentProperties > xProps;
if ( m_xCachedProps.get() )
{
uno::Sequence< ucb::LockEntry > aSupportedLocks;
if ( m_xCachedProps->getValue( DAVProperties::SUPPORTEDLOCK )
>>= aSupportedLocks ) //get the cached value for supportedlock
{
for ( sal_Int32 n = 0; n < aSupportedLocks.getLength(); ++n )
{
if ( aSupportedLocks[ n ].Scope
== ucb::LockScope_EXCLUSIVE &&
aSupportedLocks[ n ].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
std::vector< DAVPropertyValue >::iterator it;
for ( it = resources[0].properties.begin();
it != resources[0].properties.end(); ++it)
{
if ( (*it).Name == DAVProperties::SUPPORTEDLOCK )
{
wasSupportedlockFound = true;
uno::Sequence< ucb::LockEntry > aSupportedLocks;
if ( (*it).Value >>= aSupportedLocks )
{
for ( sal_Int32 n = 0; n < aSupportedLocks.getLength(); ++n )
{
// 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
if ( aSupportedLocks[ n ].Scope == ucb::LockScope_EXCLUSIVE &&
aSupportedLocks[ n ].Type == ucb::LockType_WRITE )
{
// requested locking mode is supported
eResourceTypeForLocks = DAV;
SAL_INFO( "ucb.ucp.webdav", "resourceTypeForLocks - URL: <"
<< m_xIdentifier->getContentIdentifier() << ">, DAV lock/unlock supported");
break;
}
}
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.get())
{
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.get() ) );
}
Content::ResourceType ret = resourceTypeForLocks( Environment, xResAccess );
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
m_xResAccess.reset( new DAVResourceAccess( *xResAccess.get() ) );
}
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.get() ) );
}
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.get() ) );
}
}
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.get() ) );
}
// 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.get() ) );
}
}
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 );
ContentRefList::const_iterator it = aChildren.begin();
ContentRefList::const_iterator end = aChildren.end();
while ( it != end )
{
ContentRef xChild = (*it);
// 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;
++it;
}
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
}
const 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.get() )
{
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
std::vector< DAVPropertyValue >::const_iterator it = resources[0].properties.begin();
std::vector< DAVPropertyValue >::const_iterator end = resources[0].properties.end();
while ( it != end )
{
OUString aPropValue;
bool bValue;
uno::Sequence< ucb::LockEntry > aSupportedLocks;
if((*it).Value >>= aPropValue )
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << (*it).Name << ":" << aPropValue );
else if( (*it).Value >>= bValue )
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << (*it).Name << ":" <<
( bValue ? "true" : "false" ) );
else if( (*it).Value >>= aSupportedLocks )
{
SAL_INFO( "ucb.ucp.webdav", "PROPFIND (getResourceType) - ret'd prop: " << (*it).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" ) );
}
}
++it;
}
}
#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 );
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.get() ) );
}
Content::ResourceType const ret = getResourceType( xEnv, xResAccess );
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
m_xResAccess.reset( new DAVResourceAccess( *xResAccess.get() ) );
}
return ret;
}
void Content::initOptsCacheLifeTime()
{
// see description in
// officecfg/registry/schema/org/openoffice/Inet.xcs
// for use of these filed 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< rtl::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 );
OUString aNoText;
rDAVOptions.setHttpResponseStatusText( aNoText );
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.push_back(
DAVRequestHeader(
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 );
OUString HttpResponseStatusText;
rDAVOptions.setHttpResponseStatusText( HttpResponseStatusText );
return false;
}
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