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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /xmlsecurity/source/helper/UriBindingHelper.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmlsecurity/source/helper/UriBindingHelper.cxx')
-rw-r--r--xmlsecurity/source/helper/UriBindingHelper.cxx113
1 files changed, 113 insertions, 0 deletions
diff --git a/xmlsecurity/source/helper/UriBindingHelper.cxx b/xmlsecurity/source/helper/UriBindingHelper.cxx
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+/* -*- 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 <UriBindingHelper.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: */