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Diffstat (limited to '')
| -rw-r--r-- | forms/source/xforms/submission.cxx | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/forms/source/xforms/submission.cxx b/forms/source/xforms/submission.cxx new file mode 100644 index 000000000..6b759e184 --- /dev/null +++ b/forms/source/xforms/submission.cxx @@ -0,0 +1,600 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "submission.hxx" + +#include "model.hxx" +#include "binding.hxx" +#include "mip.hxx" +#include "evaluationcontext.hxx" +#include "submission/submission_put.hxx" +#include "submission/submission_post.hxx" +#include "submission/submission_get.hxx" + +#include <rtl/ustring.hxx> +#include <com/sun/star/lang/NoSupportException.hpp> +#include <com/sun/star/uno/Sequence.hxx> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/xforms/XModel.hpp> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/xml/dom/XNodeList.hpp> +#include <com/sun/star/xml/dom/XDocument.hpp> +#include <com/sun/star/xml/dom/DocumentBuilder.hpp> +#include <com/sun/star/xml/dom/XDocumentFragment.hpp> +#include <com/sun/star/xml/dom/NodeType.hpp> +#include <com/sun/star/task/XInteractionHandler.hpp> +#include <com/sun/star/task/XInteractionRequest.hpp> +#include <com/sun/star/task/XInteractionContinuation.hpp> +#include <com/sun/star/xforms/InvalidDataOnSubmitException.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <cppuhelper/exc_hlp.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <comphelper/interaction.hxx> +#include <comphelper/processfactory.hxx> +#include <comphelper/servicehelper.hxx> +#include <memory> + +using com::sun::star::util::VetoException; +using com::sun::star::form::submission::XSubmissionVetoListener; +using com::sun::star::lang::WrappedTargetException; +using com::sun::star::lang::NoSupportException; +using com::sun::star::task::XInteractionHandler; +using com::sun::star::task::XInteractionRequest; +using com::sun::star::task::XInteractionContinuation; +using com::sun::star::xforms::XModel; +using com::sun::star::xforms::InvalidDataOnSubmitException; +using com::sun::star::xml::xpath::XXPathObject; +using com::sun::star::frame::XFrame; +using xforms::Submission; +using xforms::Model; +using xforms::MIP; + +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::xml::dom; + +Submission::Submission() : + msID(), + msBind(), + maRef(), + msAction(), + msMethod(), + msVersion(), + mbIndent(), + msMediaType(), + msEncoding(), + mbOmitXmlDeclaration(), + mbStandalone(), + msCDataSectionElement(), + msReplace( "none" ), + msSeparator(), + msIncludeNamespacePrefixes() +{ + initializePropertySet(); +} + +Submission::~Submission() throw() +{ +} + + +void Submission::setModel( const Reference<XModel>& xModel ) +{ + mxModel = xModel; +} + + +void Submission::setID( const OUString& sID ) +{ + msID = sID; +} + + +void Submission::setBind( const OUString& sBind ) +{ + msBind = sBind; +} + +OUString Submission::getRef() const +{ + return maRef.getExpression(); +} + +void Submission::setRef( const OUString& sRef ) +{ + maRef.setExpression( sRef ); +} + + +void Submission::setAction( const OUString& sAction ) +{ + msAction = sAction; +} + + +void Submission::setMethod( const OUString& sMethod ) +{ + msMethod = sMethod; +} + + +void Submission::setVersion( const OUString& sVersion ) +{ + msVersion = sVersion; +} + + +void Submission::setIndent( bool bIndent ) +{ + mbIndent = bIndent; +} + + +void Submission::setMediaType( const OUString& sMediaType ) +{ + msMediaType = sMediaType; +} + + +void Submission::setEncoding( const OUString& sEncoding ) +{ + msEncoding = sEncoding; +} + + +void Submission::setOmitXmlDeclaration( bool bOmitXmlDeclaration ) +{ + mbOmitXmlDeclaration = bOmitXmlDeclaration; +} + + +void Submission::setStandalone( bool bStandalone ) +{ + mbStandalone = bStandalone; +} + + +void Submission::setCDataSectionElement( const OUString& sCDataSectionElement ) +{ + msCDataSectionElement = sCDataSectionElement; +} + + +void Submission::setReplace( const OUString& sReplace ) +{ + msReplace = sReplace; +} + + +void Submission::setSeparator( const OUString& sSeparator ) +{ + msSeparator = sSeparator; +} + + +void Submission::setIncludeNamespacePrefixes( const Sequence< OUString >& rIncludeNamespacePrefixes ) +{ + msIncludeNamespacePrefixes = rIncludeNamespacePrefixes; +} + +bool Submission::doSubmit( const Reference< XInteractionHandler >& xHandler ) +{ + liveCheck(); + + // construct XXPathObject for submission doc; use bind in preference of ref + EvaluationContext aEvalContext; + ComputedExpression aExpression; + if( !msBind.isEmpty() ) + { + Binding* pBinding = comphelper::getUnoTunnelImplementation<Binding>( mxModel->getBinding(msBind) ); + if( pBinding != nullptr ) + { + aExpression.setExpression( pBinding->getBindingExpression() ); + aEvalContext = pBinding->getEvaluationContext(); + } + // TODO: else: illegal binding name -> raise error + } + else if( !maRef.getExpression().isEmpty() ) + { + aExpression.setExpression( maRef.getExpression() ); + aEvalContext = comphelper::getUnoTunnelImplementation<Model>( mxModel )->getEvaluationContext(); + } + else + { + aExpression.setExpression( "/" ); + aEvalContext = comphelper::getUnoTunnelImplementation<Model>( mxModel )->getEvaluationContext(); + } + aExpression.evaluate( aEvalContext ); + Reference<XXPathObject> xResult = aExpression.getXPath(); + OSL_ENSURE( xResult.is(), "no result?" ); + + // early out if we have not obtained any result + if( ! xResult.is() ) + return false; + + + // Reference< XNodeList > aList = xResult->getNodeList(); + OUString aMethod = getMethod(); + + // strip whitespace-only text node for get submission + Reference< XDocumentFragment > aFragment = createSubmissionDocument( + xResult, aMethod.equalsIgnoreAsciiCase("get")); + + // submit result; set encoding, etc. + std::unique_ptr<CSubmission> xSubmission; + if (aMethod.equalsIgnoreAsciiCase("PUT")) + xSubmission.reset(new CSubmissionPut( getAction(), aFragment)); + else if (aMethod.equalsIgnoreAsciiCase("post")) + xSubmission.reset(new CSubmissionPost( getAction(), aFragment)); + else if (aMethod.equalsIgnoreAsciiCase("get")) + xSubmission.reset(new CSubmissionGet( getAction(), aFragment)); + else + { + OSL_FAIL("Unsupported xforms submission method"); + return false; + } + + if (!xSubmission->IsWebProtocol()) + return false; + + CSubmission::SubmissionResult aResult = xSubmission->submit( xHandler ); + + if (aResult == CSubmission::SUCCESS) + { + Reference< XDocument > aInstanceDoc = getInstanceDocument(xResult); + aResult = xSubmission->replace(getReplace(), aInstanceDoc, Reference< XFrame >()); + } + + return ( aResult == CSubmission::SUCCESS ); +} + +Sequence<sal_Int8> Submission::getUnoTunnelId() +{ + static cppu::OImplementationId aImplementationId; + return aImplementationId.getImplementationId(); +} + + +void Submission::liveCheck() +{ + bool bValid = mxModel.is(); + + if( ! bValid ) + throw RuntimeException(); +} + +Model* Submission::getModelImpl() const +{ + Model* pModel = nullptr; + if( mxModel.is() ) + pModel = comphelper::getUnoTunnelImplementation<Model>( mxModel ); + return pModel; +} + + +// Property-Set implementation + + +#define HANDLE_ID 0 +#define HANDLE_Bind 1 +#define HANDLE_Ref 2 +#define HANDLE_Action 3 +#define HANDLE_Method 4 +#define HANDLE_Version 5 +#define HANDLE_Indent 6 +#define HANDLE_MediaType 7 +#define HANDLE_Encoding 8 +#define HANDLE_OmitXmlDeclaration 9 +#define HANDLE_Standalone 10 +#define HANDLE_CDataSectionElement 11 +#define HANDLE_Replace 12 +#define HANDLE_Separator 13 +#define HANDLE_IncludeNamespacePrefixes 14 +#define HANDLE_Model 15 + +#define REGISTER_PROPERTY( property, type ) \ + registerProperty( PROPERTY( property, type ), \ + new DirectPropertyAccessor< Submission, type >( this, &Submission::set##property, &Submission::get##property ) ); + +#define REGISTER_PROPERTY_BOOL( property ) \ + registerProperty( PROPERTY( property, bool ), \ + new BooleanPropertyAccessor< Submission >( this, &Submission::set##property, &Submission::get##property ) ); + +void Submission::initializePropertySet() +{ + REGISTER_PROPERTY ( ID, OUString ); + REGISTER_PROPERTY ( Bind, OUString ); + REGISTER_PROPERTY ( Ref, OUString ); + REGISTER_PROPERTY ( Action, OUString ); + REGISTER_PROPERTY ( Method, OUString ); + REGISTER_PROPERTY ( Version, OUString ); + REGISTER_PROPERTY_BOOL( Indent ); + REGISTER_PROPERTY ( MediaType, OUString ); + REGISTER_PROPERTY ( Encoding, OUString ); + REGISTER_PROPERTY_BOOL( OmitXmlDeclaration ); + REGISTER_PROPERTY_BOOL( Standalone ); + REGISTER_PROPERTY ( CDataSectionElement, OUString ); + REGISTER_PROPERTY ( Replace, OUString ); + REGISTER_PROPERTY ( Separator, OUString ); + REGISTER_PROPERTY ( IncludeNamespacePrefixes, Sequence< OUString > ); + REGISTER_PROPERTY ( Model, Reference<XModel> ); + + initializePropertyValueCache( HANDLE_Indent ); + initializePropertyValueCache( HANDLE_OmitXmlDeclaration ); + initializePropertyValueCache( HANDLE_Standalone ); +} + +sal_Bool SAL_CALL Submission::convertFastPropertyValue( + Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle, const Any& rValue ) +{ + if ( nHandle == HANDLE_IncludeNamespacePrefixes ) + { + // for convenience reasons (????), we accept a string which contains + // a comma-separated list of namespace prefixes + OUString sTokenList; + if ( rValue >>= sTokenList ) + { + std::vector< OUString > aPrefixes; + sal_Int32 p = 0; + while ( p >= 0 ) + aPrefixes.push_back( sTokenList.getToken( 0, ',', p ) ); + + Sequence< OUString > aConvertedPrefixes( aPrefixes.data(), aPrefixes.size() ); + return PropertySetBase::convertFastPropertyValue( rConvertedValue, rOldValue, nHandle, makeAny( aConvertedPrefixes ) ); + } + } + + return PropertySetBase::convertFastPropertyValue( rConvertedValue, rOldValue, nHandle, rValue ); +} + +OUString SAL_CALL Submission::getName() +{ + return getID(); +} + +void SAL_CALL Submission::setName( const OUString& sID ) +{ + setID( sID ); +} + + +sal_Int64 SAL_CALL Submission::getSomething( + const Sequence<sal_Int8>& aId ) +{ + return ( aId == getUnoTunnelId() ) ? reinterpret_cast<sal_Int64>(this) : 0; +} + + +static OUString lcl_message( const OUString& rID, const OUString& rText ) +{ + OUString aMessage = "XForms submission '" + rID + "' failed" + rText + "."; + return aMessage; +} + +void SAL_CALL Submission::submitWithInteraction( + const Reference<XInteractionHandler>& _rxHandler ) +{ + // as long as this class is not really threadsafe, we need to copy + // the members we're interested in + Reference< XModel > xModel( mxModel ); + OUString sID( msID ); + + if ( !xModel.is() || msID.isEmpty() ) + throw RuntimeException( + "This is not a valid submission object.", + *this + ); + + Model* pModel = comphelper::getUnoTunnelImplementation<Model>( xModel ); + OSL_ENSURE( pModel != nullptr, "illegal model?" ); + + // #i36765# #i47248# warning on submission of illegal data + // check for validity (and query user if invalid) + bool bValid = pModel->isValid(); + if( ! bValid ) + { + InvalidDataOnSubmitException aInvalidDataException( + lcl_message(sID, " due to invalid data" ), *this ); + + if( _rxHandler.is() ) + { + // laboriously create interaction request + comphelper::OInteractionRequest* pRequest + = new comphelper::OInteractionRequest( + makeAny( aInvalidDataException ) ); + Reference<XInteractionRequest> xRequest = pRequest; + + comphelper::OInteractionApprove* pContinue + = new comphelper::OInteractionApprove(); + Reference<XInteractionContinuation> xContinue = pContinue; + pRequest->addContinuation( xContinue ); + + comphelper::OInteractionDisapprove* pCancel + = new comphelper::OInteractionDisapprove(); + Reference<XInteractionContinuation> xCancel = pCancel; + pRequest->addContinuation( xCancel ); + + // ask the handler... + _rxHandler->handle( xRequest ); + OSL_ENSURE( pContinue->wasSelected() || pCancel->wasSelected(), + "handler didn't select" ); + + // and continue, if user chose 'continue' + if( pContinue->wasSelected() ) + bValid = true; + } + + // abort if invalid (and user didn't tell us to continue) + if( ! bValid ) + throw aInvalidDataException; + } + + // attempt submission + bool bResult = false; + try + { + bResult = doSubmit( _rxHandler ); + } + catch( const VetoException& ) + { + OSL_FAIL( "Model::submit: Hmm. How can a single submission have a veto right?" ); + // allowed to leave + throw; + } + catch( const Exception& ) + { + css::uno::Any anyEx = cppu::getCaughtException(); + // exception caught: re-throw as wrapped target exception + throw WrappedTargetException( + lcl_message( sID, " due to exception being thrown" ), + *this, anyEx ); + } + + if( !bResult ) + { + // other failure: throw wrapped target exception, too. + throw WrappedTargetException( + lcl_message( sID, OUString() ), *this, Any() ); + } + mxModel->rebuild(); +} + +void SAL_CALL Submission::submit( ) +{ + submitWithInteraction( nullptr ); +} + +void SAL_CALL Submission::addSubmissionVetoListener( const Reference< XSubmissionVetoListener >& /*listener*/ ) +{ + // TODO + throw NoSupportException(); +} + +void SAL_CALL Submission::removeSubmissionVetoListener( const Reference< XSubmissionVetoListener >& /*listener*/ ) +{ + // TODO + throw NoSupportException(); +} + +static bool isIgnorable(const Reference< XNode >& aNode) +{ + // ignore whitespace-only textnodes + if (aNode->getNodeType() == NodeType_TEXT_NODE) + { + OUString aTrimmedValue = aNode->getNodeValue().trim(); + if (aTrimmedValue.isEmpty()) return true; + } + + return false; +} + +// recursively copy relevant nodes from A to B +static void cloneNodes(Model& aModel, const Reference< XNode >& dstParent, const Reference< XNode >& source, bool bRemoveWSNodes) +{ + if (!source.is()) return; + + Reference< XNode > cur = source; + Reference< XDocument > dstDoc = dstParent->getOwnerDocument(); + Reference< XNode > imported; + + if (!cur.is()) + return; + + // is this node relevant? + MIP mip = aModel.queryMIP(cur); + if(mip.isRelevant() && !(bRemoveWSNodes && isIgnorable(cur))) + { + imported = dstDoc->importNode(cur, false); + imported = dstParent->appendChild(imported); + // append source children to new imported parent + for( cur = cur->getFirstChild(); cur.is(); cur = cur->getNextSibling() ) + cloneNodes(aModel, imported, cur, bRemoveWSNodes); + } +} +Reference< XDocument > Submission::getInstanceDocument(const Reference< XXPathObject >& aObj) +{ + using namespace css::xml::xpath; + // result + Reference< XDocument > aDocument; + + if (aObj->getObjectType() == XPathObjectType_XPATH_NODESET) + { + Reference< XNodeList > aList = aObj->getNodeList(); + if (aList->getLength() > 0) + aDocument = aList->item(0)->getOwnerDocument(); + } + return aDocument; +} + +Reference< XDocumentFragment > Submission::createSubmissionDocument(const Reference< XXPathObject >& aObj, bool bRemoveWSNodes) +{ + using namespace css::xml::xpath; + Reference< XDocumentBuilder > aDocBuilder = DocumentBuilder::create(comphelper::getProcessComponentContext()); + Reference< XDocument > aDocument = aDocBuilder->newDocument(); + Reference< XDocumentFragment > aFragment = aDocument->createDocumentFragment(); + + + if (aObj->getObjectType() == XPathObjectType_XPATH_NODESET) + { + Reference< XNodeList > aList = aObj->getNodeList(); + Reference< XNode > aListItem; + for (sal_Int32 i=0; i < aList->getLength(); i++) + { + aListItem = aList->item(i); + if (aListItem->getNodeType()==NodeType_DOCUMENT_NODE) + aListItem = (Reference< XDocument >(aListItem, UNO_QUERY))->getDocumentElement(); + // copy relevant nodes from instance into fragment + cloneNodes(*getModelImpl(), aFragment, aListItem, bRemoveWSNodes); + } + } + return aFragment; +} + +// some forwarding: XPropertySet is implemented in our base class, +// but also available as base of XSubmission +Reference< css::beans::XPropertySetInfo > SAL_CALL Submission::getPropertySetInfo( ) +{ + return PropertySetBase::getPropertySetInfo(); +} +void SAL_CALL Submission::setPropertyValue( const OUString& aPropertyName, const Any& aValue ) +{ + PropertySetBase::setPropertyValue( aPropertyName, aValue ); +} +Any SAL_CALL Submission::getPropertyValue( const OUString& PropertyName ) +{ + return PropertySetBase::getPropertyValue( PropertyName ); +} +void SAL_CALL Submission::addPropertyChangeListener( const OUString& aPropertyName, const Reference< css::beans::XPropertyChangeListener >& xListener ) +{ + PropertySetBase::addPropertyChangeListener( aPropertyName, xListener ); +} +void SAL_CALL Submission::removePropertyChangeListener( const OUString& aPropertyName, const Reference< css::beans::XPropertyChangeListener >& aListener ) +{ + PropertySetBase::removePropertyChangeListener( aPropertyName, aListener ); +} +void SAL_CALL Submission::addVetoableChangeListener( const OUString& PropertyName, const Reference< css::beans::XVetoableChangeListener >& aListener ) +{ + PropertySetBase::addVetoableChangeListener( PropertyName, aListener ); +} +void SAL_CALL Submission::removeVetoableChangeListener( const OUString& PropertyName, const Reference< css::beans::XVetoableChangeListener >& aListener ) +{ + PropertySetBase::removeVetoableChangeListener( PropertyName, aListener ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |