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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /xmlsecurity/source/helper/xmlsignaturehelper2.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmlsecurity/source/helper/xmlsignaturehelper2.cxx')
-rw-r--r-- | xmlsecurity/source/helper/xmlsignaturehelper2.cxx | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/xmlsecurity/source/helper/xmlsignaturehelper2.cxx b/xmlsecurity/source/helper/xmlsignaturehelper2.cxx new file mode 100644 index 000000000..1a7a33459 --- /dev/null +++ b/xmlsecurity/source/helper/xmlsignaturehelper2.cxx @@ -0,0 +1,113 @@ +/* -*- 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 <xmlsignaturehelper2.hxx> + +#include <tools/solar.h> +#include <unotools/streamhelper.hxx> + +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/embed/ElementModes.hpp> +#include <osl/diagnose.h> +#include <rtl/uri.hxx> +#include <sal/log.hxx> + +using namespace com::sun::star; + +// XUriBinding + +UriBindingHelper::UriBindingHelper() +{ +} + +UriBindingHelper::UriBindingHelper( const css::uno::Reference < css::embed::XStorage >& rxStorage ) +{ + mxStorage = rxStorage; +} + +void SAL_CALL UriBindingHelper::setUriBinding( const OUString& /*uri*/, const uno::Reference< io::XInputStream >&) +{ +} + +uno::Reference< io::XInputStream > SAL_CALL UriBindingHelper::getUriBinding( const OUString& uri ) +{ + uno::Reference< io::XInputStream > xInputStream; + if ( mxStorage.is() ) + { + xInputStream = OpenInputStream( mxStorage, uri ); + } + else + { + SvFileStream* pStream = new SvFileStream( uri, StreamMode::READ ); + sal_uInt64 nBytes = pStream->TellEnd(); + SvLockBytesRef xLockBytes = new SvLockBytes( pStream, true ); + xInputStream = new utl::OInputStreamHelper( xLockBytes, nBytes ); + } + return xInputStream; +} + +uno::Reference < io::XInputStream > UriBindingHelper::OpenInputStream( const uno::Reference < embed::XStorage >& rxStore, const OUString& rURI ) +{ + OSL_ASSERT(!rURI.isEmpty()); + uno::Reference < io::XInputStream > xInStream; + + OUString aURI(rURI); + // Ignore leading slash, don't attempt to open a storage with name "". + if (aURI.startsWith("/")) + aURI = aURI.copy(1); + // Ignore query part of the URI. + sal_Int32 nQueryPos = aURI.indexOf('?'); + if (nQueryPos != -1) + aURI = aURI.copy(0, nQueryPos); + + + sal_Int32 nSepPos = aURI.indexOf( '/' ); + if ( nSepPos == -1 ) + { + // Cloning because of I can't keep all storage references open + // MBA with think about a better API... + const OUString sName = ::rtl::Uri::decode( + aURI, rtl_UriDecodeStrict, rtl_UriCharClassRelSegment); + if (sName.isEmpty() && !aURI.isEmpty()) + throw uno::Exception("Could not decode URI for stream element.", nullptr); + + uno::Reference< io::XStream > xStream; + if (!rxStore->hasByName(sName)) + SAL_WARN("xmlsecurity.helper", "expected stream, but not found: " << sName); + else + xStream = rxStore->cloneStreamElement( sName ); + if ( !xStream.is() ) + throw uno::RuntimeException(); + xInStream = xStream->getInputStream(); + } + else + { + const OUString aStoreName = ::rtl::Uri::decode( + aURI.copy( 0, nSepPos ), rtl_UriDecodeStrict, rtl_UriCharClassRelSegment); + if (aStoreName.isEmpty() && !aURI.isEmpty()) + throw uno::Exception("Could not decode URI for stream element.", nullptr); + + OUString aElement = aURI.copy( nSepPos+1 ); + uno::Reference < embed::XStorage > xSubStore = rxStore->openStorageElement( aStoreName, embed::ElementModes::READ ); + xInStream = OpenInputStream( xSubStore, aElement ); + } + return xInStream; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |