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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 <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: */