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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 /include/comphelper/storagehelper.hxx
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>
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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 .
+ */
+#ifndef INCLUDED_COMPHELPER_STORAGEHELPER_HXX
+#define INCLUDED_COMPHELPER_STORAGEHELPER_HXX
+
+#include <com/sun/star/uno/Sequence.h>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <comphelper/comphelperdllapi.h>
+#include <memory>
+#include <string_view>
+
+inline constexpr OUStringLiteral PACKAGE_STORAGE_FORMAT_STRING = u"PackageFormat";
+inline constexpr OUStringLiteral ZIP_STORAGE_FORMAT_STRING = u"ZipFormat";
+inline constexpr OUStringLiteral OFOPXML_STORAGE_FORMAT_STRING = u"OFOPXMLFormat";
+
+inline constexpr OUStringLiteral PACKAGE_ENCRYPTIONDATA_SHA256UTF8 = u"PackageSHA256UTF8EncryptionKey";
+inline constexpr OUStringLiteral PACKAGE_ENCRYPTIONDATA_SHA1UTF8 = u"PackageSHA1UTF8EncryptionKey";
+inline constexpr OUStringLiteral PACKAGE_ENCRYPTIONDATA_SHA1MS1252 = u"PackageSHA1MS1252EncryptionKey";
+inline constexpr OUStringLiteral PACKAGE_ENCRYPTIONDATA_SHA1CORRECT = u"PackageSHA1CorrectEncryptionKey";
+
+namespace com::sun::star {
+ namespace beans { struct NamedValue; }
+ namespace embed { class XStorage; }
+ namespace io {
+ class XInputStream;
+ class XOutputStream;
+ class XStream;
+ }
+ namespace lang { class XSingleServiceFactory; }
+ namespace uno { class XComponentContext; }
+}
+
+namespace comphelper {
+
+// Unfortunately - the impl.s of XStorage like to invalidate all
+// their sub streams and storages when you release references, so
+// it is necessary to keep references to all storages down the
+// path - this is 'beautiful' (TM). So we need this ugly hack:
+class COMPHELPER_DLLPUBLIC LifecycleProxy
+{
+private:
+ class Impl;
+public:
+ std::unique_ptr<Impl> m_xBadness;
+ LifecycleProxy();
+ ~LifecycleProxy();
+ // commit the storages: necessary for writes to streams to take effect!
+ void commitStorages();
+};
+
+class COMPHELPER_DLLPUBLIC OStorageHelper
+{
+public:
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::lang::XSingleServiceFactory >
+ GetStorageFactory(
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::lang::XSingleServiceFactory >
+ GetFileSystemStorageFactory(
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetTemporaryStorage(
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// this one will only return Storage
+ ///
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageFromURL(
+ const OUString& aURL,
+ sal_Int32 nStorageMode,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// this one will return either Storage or FileSystemStorage
+ ///
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageFromURL2(
+ const OUString& aURL,
+ sal_Int32 nStorageMode,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageFromInputStream(
+ const css::uno::Reference < css::io::XInputStream >& xStream,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageFromStream(
+ const css::uno::Reference < css::io::XStream >& xStream,
+ sal_Int32 nStorageMode = css::embed::ElementModes::READWRITE,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static void CopyInputToOutput(
+ const css::uno::Reference< css::io::XInputStream >& xInput,
+ const css::uno::Reference< css::io::XOutputStream >& xOutput );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::io::XInputStream >
+ GetInputStreamFromURL(
+ const OUString& aURL,
+ const css::uno::Reference< css::uno::XComponentContext >& context );
+
+ /// @throws css::uno::Exception
+ static void SetCommonStorageEncryptionData(
+ const css::uno::Reference< css::embed::XStorage >& xStorage,
+ const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData );
+
+ // the following method supports only storages of OOo formats
+ /// @throws css::uno::Exception
+ static sal_Int32 GetXStorageFormat(
+ const css::uno::Reference< css::embed::XStorage >& xStorage );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageOfFormatFromURL(
+ const OUString& aFormat,
+ const OUString& aURL,
+ sal_Int32 nStorageMode,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >() );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageOfFormatFromInputStream(
+ const OUString& aFormat,
+ const css::uno::Reference < css::io::XInputStream >& xStream,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >(),
+ bool bRepairStorage = false );
+
+ /// @throws css::uno::Exception
+ static css::uno::Reference< css::embed::XStorage >
+ GetStorageOfFormatFromStream(
+ const OUString& aFormat,
+ const css::uno::Reference < css::io::XStream >& xStream,
+ sal_Int32 nStorageMode = css::embed::ElementModes::READWRITE,
+ const css::uno::Reference< css::uno::XComponentContext >& rxContext
+ = css::uno::Reference< css::uno::XComponentContext >(),
+ bool bRepairStorage = false );
+
+ static css::uno::Sequence< css::beans::NamedValue >
+ CreatePackageEncryptionData(
+ std::u16string_view aPassword );
+
+ static css::uno::Sequence< css::beans::NamedValue >
+ CreateGpgPackageEncryptionData();
+
+ static bool IsValidZipEntryFileName( std::u16string_view aName, bool bSlashAllowed );
+ static bool IsValidZipEntryFileName( const sal_Unicode *pChar, sal_Int32 nLength, bool bSlashAllowed );
+
+ static bool PathHasSegment( std::u16string_view aPath, std::u16string_view aSegment );
+
+ // Methods to allow easy use of hierarchical names inside storages
+
+ static css::uno::Reference< css::embed::XStorage > GetStorageAtPath(
+ const css::uno::Reference< css::embed::XStorage > &xStorage,
+ std::u16string_view aPath, sal_uInt32 nOpenMode, LifecycleProxy const &rNastiness );
+ static css::uno::Reference< css::io::XStream > GetStreamAtPath(
+ const css::uno::Reference< css::embed::XStorage > &xStorage,
+ std::u16string_view aPath, sal_uInt32 nOpenMode, LifecycleProxy const &rNastiness );
+ static css::uno::Reference< css::io::XStream > GetStreamAtPackageURL(
+ const css::uno::Reference< css::embed::XStorage > &xStorage,
+ const OUString& rURL, sal_uInt32 const nOpenMode,
+ LifecycleProxy const & rNastiness );
+
+ static OUString
+ GetODFVersionFromStorage(const css::uno::Reference<css::embed::XStorage>& xStorage);
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */