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: */