5e9137c963
...they had originally been aURL.equalsIgnoreAsciiCaseAsciiL( "vnd.sun.star.pkg", 16 ) etc., so where likely confused with the OUString compareTo functions that take a maxLength argument. Change-Id: Ie12df4f589dda310b7e49eb93535ad797f88a8a7
300 lines
12 KiB
C++
300 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/ucb/SimpleFileAccess.hpp>
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#include <com/sun/star/embed/ElementModes.hpp>
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#include <com/sun/star/embed/StorageFormats.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/io/TempFile.hpp>
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#include <com/sun/star/io/XSeekable.hpp>
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#include <comphelper/processfactory.hxx>
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#include <comphelper/storagehelper.hxx>
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#include "xfactory.hxx"
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#include "xstorage.hxx"
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using namespace ::com::sun::star;
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sal_Bool CheckPackageSignature_Impl( const uno::Reference< io::XInputStream >& xInputStream,
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const uno::Reference< io::XSeekable >& xSeekable )
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{
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if ( !xInputStream.is() || !xSeekable.is() )
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throw uno::RuntimeException();
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if ( xSeekable->getLength() )
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{
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uno::Sequence< sal_Int8 > aData( 4 );
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xSeekable->seek( 0 );
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sal_Int32 nRead = xInputStream->readBytes( aData, 4 );
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xSeekable->seek( 0 );
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// TODO/LATER: should the disk spanned files be supported?
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// 0x50, 0x4b, 0x07, 0x08
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return ( nRead == 4 && aData[0] == 0x50 && aData[1] == 0x4b && aData[2] == 0x03 && aData[3] == 0x04 );
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}
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else
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return sal_True; // allow to create a storage based on empty stream
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}
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uno::Sequence< OUString > SAL_CALL OStorageFactory::impl_staticGetSupportedServiceNames()
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{
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uno::Sequence< OUString > aRet(2);
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aRet[0] = "com.sun.star.embed.StorageFactory";
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aRet[1] = "com.sun.star.comp.embed.StorageFactory";
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return aRet;
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}
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OUString SAL_CALL OStorageFactory::impl_staticGetImplementationName()
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{
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return OUString("com.sun.star.comp.embed.StorageFactory");
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}
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uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::impl_staticCreateSelfInstance(
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const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
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{
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return uno::Reference< uno::XInterface >( *new OStorageFactory( comphelper::getComponentContext(xServiceManager) ) );
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}
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uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::createInstance()
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throw ( uno::Exception,
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uno::RuntimeException )
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{
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// TODO: reimplement TempStream service to support XStream interface
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uno::Reference < io::XStream > xTempStream(
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io::TempFile::create(m_xContext),
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uno::UNO_QUERY_THROW );
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return uno::Reference< uno::XInterface >(
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static_cast< OWeakObject* >( new OStorage( xTempStream,
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embed::ElementModes::READWRITE,
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uno::Sequence< beans::PropertyValue >(),
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m_xContext,
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embed::StorageFormats::PACKAGE ) ),
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uno::UNO_QUERY );
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}
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uno::Reference< uno::XInterface > SAL_CALL OStorageFactory::createInstanceWithArguments(
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const uno::Sequence< uno::Any >& aArguments )
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throw ( uno::Exception,
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uno::RuntimeException )
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{
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// The request for storage can be done with up to three arguments
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// The first argument specifies a source for the storage
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// it can be URL, XStream, XInputStream.
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// The second value is a mode the storage should be open in.
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// And the third value is a media descriptor.
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sal_Int32 nArgNum = aArguments.getLength();
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OSL_ENSURE( nArgNum < 4, "Wrong parameter number" );
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if ( !nArgNum )
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return createInstance();
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// first try to retrieve storage open mode if any
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// by default the storage will be open in readonly mode
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sal_Int32 nStorageMode = embed::ElementModes::READ;
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if ( nArgNum >= 2 )
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{
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if( !( aArguments[1] >>= nStorageMode ) )
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{
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OSL_FAIL( "Wrong second argument!\n" );
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throw lang::IllegalArgumentException(); // TODO:
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}
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// it's always possible to read written storage in this implementation
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nStorageMode |= embed::ElementModes::READ;
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}
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if ( ( nStorageMode & embed::ElementModes::TRUNCATE ) == embed::ElementModes::TRUNCATE
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&& ( nStorageMode & embed::ElementModes::WRITE ) != embed::ElementModes::WRITE )
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throw lang::IllegalArgumentException(); // TODO:
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// retrieve storage source stream
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OUString aURL;
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uno::Reference< io::XStream > xStream;
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uno::Reference< io::XInputStream > xInputStream;
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if ( aArguments[0] >>= aURL )
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{
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if ( aURL.isEmpty() )
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{
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OSL_FAIL( "Empty URL is provided!\n" );
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throw lang::IllegalArgumentException(); // TODO:
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}
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if ( aURL.startsWithIgnoreAsciiCase("vnd.sun.star.pkg:") )
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{
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OSL_FAIL( "Packages URL's are not valid for storages!\n" ); // ???
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throw lang::IllegalArgumentException(); // TODO:
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}
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uno::Reference < ucb::XSimpleFileAccess3 > xTempAccess(
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ucb::SimpleFileAccess::create(
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m_xContext ) );
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if ( nStorageMode & embed::ElementModes::WRITE )
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xStream = xTempAccess->openFileReadWrite( aURL );
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else
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xInputStream = xTempAccess->openFileRead( aURL );
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}
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else if ( !( aArguments[0] >>= xStream ) && !( aArguments[0] >>= xInputStream ) )
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{
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OSL_FAIL( "Wrong first argument!\n" );
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throw uno::Exception(); // TODO: Illegal argument
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}
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// retrieve mediadescriptor and set storage properties
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uno::Sequence< beans::PropertyValue > aDescr;
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uno::Sequence< beans::PropertyValue > aPropsToSet;
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sal_Int32 nStorageType = embed::StorageFormats::PACKAGE;
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if ( nArgNum >= 3 )
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{
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if( aArguments[2] >>= aDescr )
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{
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if ( !aURL.isEmpty() )
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{
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aPropsToSet.realloc(1);
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aPropsToSet[0].Name = "URL";
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aPropsToSet[0].Value <<= aURL;
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}
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for ( sal_Int32 nInd = 0, nNumArgs = 1; nInd < aDescr.getLength(); nInd++ )
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{
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if ( aDescr[nInd].Name == "InteractionHandler"
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|| aDescr[nInd].Name == "Password"
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|| aDescr[nInd].Name == "RepairPackage"
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|| aDescr[nInd].Name == "StatusIndicator" )
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// || aDescr[nInd].Name == "Unpacked" ) // TODO:
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{
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aPropsToSet.realloc( ++nNumArgs );
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aPropsToSet[nNumArgs-1].Name = aDescr[nInd].Name;
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aPropsToSet[nNumArgs-1].Value = aDescr[nInd].Value;
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}
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else if ( aDescr[nInd].Name == "StorageFormat" )
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{
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OUString aFormatName;
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sal_Int32 nFormatID = 0;
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if ( aDescr[nInd].Value >>= aFormatName )
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{
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if ( aFormatName.equals( PACKAGE_STORAGE_FORMAT_STRING ) )
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nStorageType = embed::StorageFormats::PACKAGE;
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else if ( aFormatName.equals( ZIP_STORAGE_FORMAT_STRING ) )
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nStorageType = embed::StorageFormats::ZIP;
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else if ( aFormatName.equals( OFOPXML_STORAGE_FORMAT_STRING ) )
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nStorageType = embed::StorageFormats::OFOPXML;
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else
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throw lang::IllegalArgumentException( OSL_LOG_PREFIX, uno::Reference< uno::XInterface >(), 1 );
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}
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else if ( aDescr[nInd].Value >>= nFormatID )
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{
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if ( nFormatID != embed::StorageFormats::PACKAGE
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&& nFormatID != embed::StorageFormats::ZIP
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&& nFormatID != embed::StorageFormats::OFOPXML )
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throw lang::IllegalArgumentException( OSL_LOG_PREFIX, uno::Reference< uno::XInterface >(), 1 );
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nStorageType = nFormatID;
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}
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else
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throw lang::IllegalArgumentException( OSL_LOG_PREFIX, uno::Reference< uno::XInterface >(), 1 );
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}
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else
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OSL_FAIL( "Unacceptable property, will be ignored!\n" );
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}
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}
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else
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{
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OSL_FAIL( "Wrong third argument!\n" );
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throw uno::Exception(); // TODO: Illegal argument
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}
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}
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// create storage based on source
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if ( xInputStream.is() )
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{
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// if xInputStream is set the storage should be open from it
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if ( ( nStorageMode & embed::ElementModes::WRITE ) )
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throw uno::Exception(); // TODO: access denied
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uno::Reference< io::XSeekable > xSeekable( xInputStream, uno::UNO_QUERY );
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if ( !xSeekable.is() )
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{
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// TODO: wrap stream to let it be seekable
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OSL_FAIL( "Nonseekable streams are not supported for now!\n" );
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}
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if ( !CheckPackageSignature_Impl( xInputStream, xSeekable ) )
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throw io::IOException(); // TODO: this is not a package file
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return uno::Reference< uno::XInterface >(
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static_cast< OWeakObject* >( new OStorage( xInputStream, nStorageMode, aPropsToSet, m_xContext, nStorageType ) ),
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uno::UNO_QUERY );
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}
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else if ( xStream.is() )
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{
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if ( ( ( nStorageMode & embed::ElementModes::WRITE ) && !xStream->getOutputStream().is() )
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|| !xStream->getInputStream().is() )
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throw uno::Exception(); // TODO: access denied
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uno::Reference< io::XSeekable > xSeekable( xStream, uno::UNO_QUERY );
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if ( !xSeekable.is() )
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{
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// TODO: wrap stream to let it be seekable
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OSL_FAIL( "Nonseekable streams are not supported for now!\n" );
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}
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if ( !CheckPackageSignature_Impl( xStream->getInputStream(), xSeekable ) )
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throw io::IOException(); // TODO: this is not a package file
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return uno::Reference< uno::XInterface >(
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static_cast< OWeakObject* >( new OStorage( xStream, nStorageMode, aPropsToSet, m_xContext, nStorageType ) ),
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uno::UNO_QUERY );
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}
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throw uno::Exception(); // general error during creation
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}
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OUString SAL_CALL OStorageFactory::getImplementationName()
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throw ( uno::RuntimeException )
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{
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return impl_staticGetImplementationName();
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}
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sal_Bool SAL_CALL OStorageFactory::supportsService( const OUString& ServiceName )
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throw ( uno::RuntimeException )
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{
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uno::Sequence< OUString > aSeq = impl_staticGetSupportedServiceNames();
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for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
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if ( ServiceName == aSeq[nInd] )
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return sal_True;
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return sal_False;
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}
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uno::Sequence< OUString > SAL_CALL OStorageFactory::getSupportedServiceNames()
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throw ( uno::RuntimeException )
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{
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return impl_staticGetSupportedServiceNames();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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