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Diffstat (limited to 'include/sfx2/docmacromode.hxx')
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1 files changed, 328 insertions, 0 deletions
diff --git a/include/sfx2/docmacromode.hxx b/include/sfx2/docmacromode.hxx new file mode 100644 index 000000000000..4e089d7e3d55 --- /dev/null +++ b/include/sfx2/docmacromode.hxx @@ -0,0 +1,328 @@ +/* -*- 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 SFX2_DOCMACROMODE_HXX +#define SFX2_DOCMACROMODE_HXX + +#include "sfx2/dllapi.h" + +#include <com/sun/star/task/XInteractionHandler.hpp> +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/script/XLibraryContainer.hpp> +#include <com/sun/star/document/XEmbeddedScripts.hpp> + +#include <boost/shared_ptr.hpp> + +//........................................................................ +namespace sfx2 +{ +//........................................................................ + + //==================================================================== + //= IMacroDocumentAccess + //==================================================================== + /** provides access to several settings of a document, which are needed by ->DocumentMacroMode + to properly determine the current macro execution mode of this document + */ + class SAL_NO_VTABLE IMacroDocumentAccess + { + public: + /** retrieves the current MacroExecutionMode. + + Usually, this is initialized from the media descriptor used to load the document, + respectively the one passed into the document's XModel::attachResource call. + + If no such mode was passed there, document implementations should return + MacroExecMode::NEVER_EXECUTE. + + @see ::com::sun::star::document::MediaDescriptor::MacroExecutionMode + @see ::com::sun::star::frame::XComponentLoader::loadComponentFromURL + @see ::com::sun::star::frame::XModel::attachResource + + @see setCurrentMacroExecMode + + @todo + Effectively, this is the MacroExecutionMode of the MediaDescriptor of + the document. Thus, this setting could be obtained from the XModel + directly. We should introduce a getDocumentModel method here, which + can be used for this and other purposes. + */ + virtual sal_Int16 + getCurrentMacroExecMode() const = 0; + + /** sets the MacroExecutionMode of the document, as calculated by the DocumentMacroMode + class. + + Effectively, the existence of this method means that the responsibility + to store the current macro execution mode is not with the DocumentMacroMode + instance, but with the document instance itself. + + Usually, a document implementation will simply put the macro execution mode + into its media descriptor, as returned by XModel::getArgs. + + @see ::com::sun::star::document::MediaDescriptor::MacroExecutionMode + @see ::com::sun::star::frame::XComponentLoader::loadComponentFromURL + @see ::com::sun::star::frame::XModel::attachResource + + see getCurrentMacroExecMode + */ + virtual sal_Bool + setCurrentMacroExecMode( sal_uInt16 ) = 0; + + /** returns the origin of the document + + This usually is the document's location, or, if the document has been + newly created from a template, then the location of the template. Location + here means the complete path of the document, including the file name. + + @todo + This probably can also be obtained from the XModel, by calling getURL + or getLocation. If both are empty, then we need an UNO way to obtain + the URL of the underlying template document - if any. If we have this, + we could replace this method with a newly introduced method + getDocumentModel and some internal code. + */ + virtual OUString + getDocumentLocation() const = 0; + + /** returns a zip-storage based on the last commited version of the document, + for readonly access + + The storage is intended to be used for signing. An implementation is + allowed to return <NULL/> here if and only if the document + does not support signing the script storages. + + @todo + UNOize this, too. Once we have a getDocumentModel, we should be able to + obtain the "last commit" storage via UNO API, provided it's an + XStorageBasedDocument. + */ + virtual ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > + getZipStorageToSign() = 0; + + /** checks whether the document's storage contains sub storages with macros or scripts + + A default implementation of this method will simply cann DocumentMacroMode::storageHasMacros + with the document's root storage. However, there might be document types where this + isn't sufficient (e.g. database documents which contain sub documents which can also + contain macro/script storages). + */ + virtual sal_Bool + documentStorageHasMacros() const = 0; + + /** provides access to the XEmbeddedScripts interface of the document + + Implementations are allowed to return <NULL/> here if and only if they + do not (yet) support embedding scripts. + + @todo + can also be replaced with a call to the (to be introduced) getDocumentModel + method, and a queryInterface. + */ + virtual ::com::sun::star::uno::Reference< ::com::sun::star::document::XEmbeddedScripts > + getEmbeddedDocumentScripts() const = 0; + + /** returns the state of the signatures for the scripts embedded in the document + + Note: On the medium run, the signature handling of a document should be outsourced + into a dedicated class, instead of being hard-wired into the SfxObjectShell. This + class could then be used outside the SfxObjectShell (e.g. in Base documents), too. + When this happens, this method here becomes should be replaced by a method at this + new class. + + @seealso <sfx2/signaturestate.hxx> + */ + virtual sal_Int16 + getScriptingSignatureState() = 0; + + /** allows to detect whether there is a trusted scripting signature + + Note: On the medium run, the signature handling of a document should be outsourced + into a dedicated class, instead of being hard-wired into the SfxObjectShell. This + class could then be used outside the SfxObjectShell (e.g. in Base documents), too. + When this happens, this method here should be replaced by a method at this + new class. + + @seealso <sfx2/signaturestate.hxx> + */ + virtual sal_Bool + hasTrustedScriptingSignature( sal_Bool bAllowUIToAddAuthor ) = 0; + + /** shows a warning that the document's signature is broken + + Here, a similar note applies as to getScriptingSignatureState: This method doesn't + really belong here. It's just there because SfxObjectShell_Impl::bSignatureErrorIsShown + is not accessible where the method is called. + So, once the signature handling has been oursourced from SfxObjectShell/_Impl, so it + is re-usable in non-SFX contexts as well, this method here is also unneeded, probably. + + @param _rxInteraction + the interaction handler to use for showing the warning. It is exactly the same + as passed to DocumentMacroMode::adjustMacroMode, so it is <NULL/> if and + only if the instance passed to that method was <NULL/>. + */ + virtual void + showBrokenSignatureWarning( + const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& _rxInteraction + ) const = 0; + + protected: + ~IMacroDocumentAccess() {} + }; + + //==================================================================== + //= DocumentMacroMode + //==================================================================== + struct DocumentMacroMode_Data; + + /** encapsulates handling the macro mode of a document + + @see com::sun::star::document::MacroExecMode + */ + class SFX2_DLLPUBLIC DocumentMacroMode + { + public: + /** creates an instance + + @param _rDocumentAccess + access to the document which this instance works for. Must live as long as the + DocumentMacroMode instance lives, at least + */ + DocumentMacroMode( IMacroDocumentAccess& _rDocumentAccess ); + ~DocumentMacroMode(); + + /** allows macro execution in the document + + Effectively, the macro mode is set to MacroExecMode::ALWAYS_EXECUTE_NO_WARN. + + @return + <TRUE/>, always + */ + sal_Bool allowMacroExecution(); + + /** disallows macro execution in the document + + Effectively, the macro mode is set to MacroExecMode::NEVER_EXECUTE. + + @return + <TRUE/>, always + */ + sal_Bool disallowMacroExecution(); + + /** checks whether the document allows executing contained macros. + + The method transforms the current macro execution mode into either + ALWAYS_EXECUTE_NO_WARN or NEVER_EXECUTE, depending on the current value, + possible configuration settings, and possible user interaction. + + @param _rxInteraction + A handler for interactions which might become necessary. + This includes + <ul><li>Asking the user for confirmation for macro execution.</li> + <li>Telling the user that macro execution is disabled.</li> + </ul> + + If the user needs to be asked for macro execution confirmation, and if + this parameter is <NULL/>, the most defensive assumptions will be made, + effectively disabling macro execution. + + @return + <TRUE/> if and only if macro execution in this document is allowed. + */ + sal_Bool adjustMacroMode( + const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& _rxInteraction + ); + + /** determines whether macro execution is disallowed + + There's a number of reasons why macro execution could be disallowed: + <ul><li>Somebody called ->disallowMacroExecution</li> + <li>Macro execution is disabled globally, via the security options</li> + <li>Macro execution mode was not defined initially, and the user denied + executing macros for this particular document.</li> + </ul> + + Note that if this method returns <FALSE/>, then subsequent calls of + ->adjustMacroMode can still return <FALSE/>. + That is, if the current macro execution mode for the document is not yet known + (and inparticular <em>not</em> MacroExecMode::NEVER_EXECUTE), then ->isMacroExecutionDisallowed + will return <FALSE/>. + However, a subsequent call to ->adjustMacroMode can result in the user + denying macro execution, in which ->adjustMacroMode will return <FALSE/>, + and the next call to isMacroExecutionDisallowed will return <TRUE/>. + */ + sal_Bool isMacroExecutionDisallowed() const; + + /** determines whether the document actually has a macros library + + Effectively, this method checks the Basic library container (as returned by + IMacroDocumentAccess::getEmbeddedDocumentScripts().getBasicLibraries) for + content. + */ + sal_Bool hasMacroLibrary() const; + + /** determines whether the given document storage has sub storages containing scripts + or macros. + + Effectively, the method checks for the presence of a sub-storage name "Scripts" (where + BeanShell-/JavaScript-/Python-Scripts are stored, and a sub storage named "Basic" (where + Basic scripts are stored). + */ + static sal_Bool + storageHasMacros( const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& _rxStorage ); + + static sal_Bool containerHasBasicMacros( const ::com::sun::star::uno::Reference< ::com::sun::star::script::XLibraryContainer >& xContainter ); + /** checks the macro execution mode while loading the document. + + This must be called when the loading is effectively finished, but before any macro action + happened. + + The method will disallow macro execution for this document if it is disabled + globally (SvtSecurityOptions::IsMacroDisabled). Otherwise, it will check whether + the document contains a macro storage or macro libraries. If so, it will + properly calculate the MacroExecutionMode by calling adjustMacroMode. + + If the document doesn't contain macros, yet, then the macro execution for this + document will be allowed (again: unless disabled globally), since in this case + macros which later are newly created by the user should be allowed, of course. + + @return + <TRUE/> if and only if macro execution is allowed in the document + + @see isMacroExecutionDisallowed + @see IMacroDocumentAccess::documentStorageHasMacros + @see hasMacroLibrary + @see IMacroDocumentAccess::checkForBrokenScriptingSignatures + */ + sal_Bool + checkMacrosOnLoading( + const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionHandler >& _rxInteraction + ); + + private: + ::boost::shared_ptr< DocumentMacroMode_Data > m_pData; + }; + +//........................................................................ +} // namespace sfx2 +//........................................................................ + +#endif // SFX2_DOCMACROMODE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |