forms/source/xforms/submission/submission_get.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "submission_get.hxx"
  22 #include "serialization_urlencoded.hxx"
  23
  24 #include <rtl/strbuf.hxx>
  25 #include <osl/diagnose.h>
  26 #include <ucbhelper/content.hxx>
  27 #include <com/sun/star/task/InteractionHandler.hpp>
  28 #include <comphelper/diagnose_ex.hxx>
  29
  30 using namespace css::uno;
  31 using namespace css::ucb;
  32 using namespace css::task;
  33 using namespace css::io;
  34 using namespace osl;
  35 using namespace ucbhelper;
  36
  37
  38 CSubmissionGet::CSubmissionGet(std::u16string_view aURL, const css::uno::Reference< css::xml::dom::XDocumentFragment >& aFragment)
  39     : CSubmission(aURL, aFragment)
  40 {
  41 }
  42
  43 CSubmission::SubmissionResult CSubmissionGet::submit(const css::uno::Reference< css::task::XInteractionHandler >& aInteractionHandler)
  44 {
  45     // GET always uses application/x-www-formurlencoded
  46     CSerializationURLEncoded aSerialization;
  47     aSerialization.setSource(m_aFragment);
  48     aSerialization.serialize();
  49
  50     css::uno::Reference< XInputStream > aInStream = aSerialization.getInputStream();
  51
  52     // create a commandEnvironment and use the default interaction handler
  53     rtl::Reference<CCommandEnvironmentHelper> pHelper = new CCommandEnvironmentHelper;
  54     if( aInteractionHandler.is() )
  55         pHelper->m_aInteractionHandler = aInteractionHandler;
  56     else
  57         pHelper->m_aInteractionHandler.set(
  58             css::task::InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
  59     rtl::Reference<CProgressHandlerHelper> pProgressHelper = new CProgressHandlerHelper;
  60     pHelper->m_aProgressHandler.set(pProgressHelper);
  61
  62     // UCB has ownership of environment...
  63     css::uno::Reference< XCommandEnvironment > aEnvironment(pHelper);
  64
  65     // append query string to the URL
  66     try {
  67         OStringBuffer aUTF8QueryURL(OUStringToOString(m_aURLObj.GetMainURL(INetURLObject::DecodeMechanism::NONE),
  68             RTL_TEXTENCODING_UTF8));
  69         OStringBuffer aQueryString;
  70
  71         const sal_Int32 size = 1024;
  72         sal_Int32 n = 0;
  73         Sequence< sal_Int8 > aByteBuffer(size);
  74         while ((n = aInStream->readSomeBytes(aByteBuffer, size-1)) != 0)
  75             aQueryString.append(reinterpret_cast<char const *>(aByteBuffer.getConstArray()), n);
  76         if (!aQueryString.isEmpty() && m_aURLObj.GetProtocol() != INetProtocol::File)
  77         {
  78             aUTF8QueryURL.append("?" + aQueryString);
  79         }
  80         OUString aQueryURL = OStringToOUString(aUTF8QueryURL, RTL_TEXTENCODING_UTF8);
  81         ucbhelper::Content aContent(aQueryURL, aEnvironment, m_xContext);
  82         // get reply
  83         try {
  84             m_aResultStream = aContent.openStream();
  85         } catch (const Exception&) {
  86             OSL_FAIL("Cannot open reply stream from content");
  87         }
  88     } catch (const Exception&)
  89     {
  90         // XXX
  91         TOOLS_WARN_EXCEPTION( "forms.misc", "Exception during UCB operation.");
  92         return UNKNOWN_ERROR;
  93     }
  94
  95     return SUCCESS;
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */