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Diffstat (limited to '')
| -rw-r--r-- | sdext/source/pdfimport/misc/pwdinteract.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/misc/pwdinteract.cxx b/sdext/source/pdfimport/misc/pwdinteract.cxx new file mode 100644 index 000000000..79ef78181 --- /dev/null +++ b/sdext/source/pdfimport/misc/pwdinteract.cxx @@ -0,0 +1,186 @@ +/* -*- 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 <sal/config.h> + +#include <cassert> +#include <mutex> + +#include <pdfihelper.hxx> + +#include <com/sun/star/task/ErrorCodeRequest.hpp> +#include <com/sun/star/task/XInteractionHandler.hpp> +#include <com/sun/star/task/XInteractionRequest.hpp> +#include <com/sun/star/task/XInteractionPassword.hpp> +#include <com/sun/star/task/DocumentPasswordRequest.hpp> + +#include <cppuhelper/implbase.hxx> +#include <rtl/ref.hxx> +#include <vcl/errcode.hxx> + +using namespace com::sun::star; + +namespace +{ + +class PDFPasswordRequest: + public cppu::WeakImplHelper< + task::XInteractionRequest, task::XInteractionPassword > +{ +private: + mutable std::mutex m_aMutex; + uno::Any m_aRequest; + OUString m_aPassword; + bool m_bSelected; + +public: + explicit PDFPasswordRequest(bool bFirstTry, const OUString& rName); + PDFPasswordRequest(const PDFPasswordRequest&) = delete; + PDFPasswordRequest& operator=(const PDFPasswordRequest&) = delete; + + // XInteractionRequest + virtual uno::Any SAL_CALL getRequest( ) override; + virtual uno::Sequence< uno::Reference< task::XInteractionContinuation > > SAL_CALL getContinuations( ) override; + + // XInteractionPassword + virtual void SAL_CALL setPassword( const OUString& rPwd ) override; + virtual OUString SAL_CALL getPassword() override; + + // XInteractionContinuation + virtual void SAL_CALL select() override; + + bool isSelected() const { std::scoped_lock const guard( m_aMutex ); return m_bSelected; } + +private: + virtual ~PDFPasswordRequest() override {} +}; + +PDFPasswordRequest::PDFPasswordRequest( bool bFirstTry, const OUString& rName ) : + m_aRequest( + uno::Any( + task::DocumentPasswordRequest( + OUString(), uno::Reference< uno::XInterface >(), + task::InteractionClassification_QUERY, + (bFirstTry + ? task::PasswordRequestMode_PASSWORD_ENTER + : task::PasswordRequestMode_PASSWORD_REENTER), + rName))), + m_bSelected(false) +{} + +uno::Any PDFPasswordRequest::getRequest() +{ + return m_aRequest; +} + +uno::Sequence< uno::Reference< task::XInteractionContinuation > > PDFPasswordRequest::getContinuations() +{ + return { this }; +} + +void PDFPasswordRequest::setPassword( const OUString& rPwd ) +{ + std::scoped_lock const guard( m_aMutex ); + + m_aPassword = rPwd; +} + +OUString PDFPasswordRequest::getPassword() +{ + std::scoped_lock const guard( m_aMutex ); + + return m_aPassword; +} + +void PDFPasswordRequest::select() +{ + std::scoped_lock const guard( m_aMutex ); + + m_bSelected = true; +} + +class UnsupportedEncryptionFormatRequest: + public cppu::WeakImplHelper< task::XInteractionRequest > +{ +public: + UnsupportedEncryptionFormatRequest() {} + UnsupportedEncryptionFormatRequest(const UnsupportedEncryptionFormatRequest&) = delete; + UnsupportedEncryptionFormatRequest& operator=(const UnsupportedEncryptionFormatRequest&) = delete; + +private: + virtual ~UnsupportedEncryptionFormatRequest() override {} + + virtual uno::Any SAL_CALL getRequest() override { + return uno::Any( + task::ErrorCodeRequest( + OUString(), uno::Reference< uno::XInterface >(), + sal_uInt32(ERRCODE_IO_WRONGVERSION))); + //TODO: should be something more informative than crudely reused + // ERRCODE_IO_WRONGVERSION + } + + virtual uno::Sequence< uno::Reference< task::XInteractionContinuation > > + SAL_CALL getContinuations() override { + return + uno::Sequence< uno::Reference< task::XInteractionContinuation > >(); + } +}; + +} // namespace + +namespace pdfi +{ + +bool getPassword( const uno::Reference< task::XInteractionHandler >& xHandler, + OUString& rOutPwd, + bool bFirstTry, + const OUString& rDocName + ) +{ + bool bSuccess = false; + + rtl::Reference< PDFPasswordRequest > xReq( + new PDFPasswordRequest( bFirstTry, rDocName ) ); + try + { + xHandler->handle( xReq ); + } + catch( uno::Exception& ) + { + } + + if( xReq->isSelected() ) + { + bSuccess = true; + rOutPwd = xReq->getPassword(); + } + + return bSuccess; +} + +void reportUnsupportedEncryptionFormat( + uno::Reference< task::XInteractionHandler > const & handler) +{ + assert(handler.is()); + handler->handle(new UnsupportedEncryptionFormatRequest); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |