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 ucbhelper;
  35
  36
  37 CSubmissionGet::CSubmissionGet(std::u16string_view aURL, const css::uno::Reference< css::xml::dom::XDocumentFragment >& aFragment)
  38     : CSubmission(aURL, aFragment)
  39 {
  40 }
  41
  42 CSubmission::SubmissionResult CSubmissionGet::submit(const css::uno::Reference< css::task::XInteractionHandler >& aInteractionHandler)
  43 {
  44     // GET always uses application/x-www-formurlencoded
  45     CSerializationURLEncoded aSerialization;
  46     aSerialization.setSource(m_aFragment);
  47     aSerialization.serialize();
  48
  49     css::uno::Reference< XInputStream > aInStream = aSerialization.getInputStream();
  50
  51     // create a commandEnvironment and use the default interaction handler
  52     rtl::Reference<CCommandEnvironmentHelper> pHelper = new CCommandEnvironmentHelper;
  53     if( aInteractionHandler.is() )
  54         pHelper->m_aInteractionHandler = aInteractionHandler;
  55     else
  56         pHelper->m_aInteractionHandler.set(
  57             css::task::InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
  58     rtl::Reference<CProgressHandlerHelper> pProgressHelper = new CProgressHandlerHelper;
  59     pHelper->m_aProgressHandler.set(pProgressHelper);
  60
  61     // UCB has ownership of environment...
  62     css::uno::Reference< XCommandEnvironment > aEnvironment(pHelper);
  63
  64     // append query string to the URL
  65     try {
  66         OStringBuffer aUTF8QueryURL(OUStringToOString(m_aURLObj.GetMainURL(INetURLObject::DecodeMechanism::NONE),
  67             RTL_TEXTENCODING_UTF8));
  68         OStringBuffer aQueryString;
  69
  70         const sal_Int32 size = 1024;
  71         sal_Int32 n = 0;
  72         Sequence< sal_Int8 > aByteBuffer(size);
  73         while ((n = aInStream->readSomeBytes(aByteBuffer, size-1)) != 0)
  74             aQueryString.append(reinterpret_cast<char const *>(aByteBuffer.getConstArray()), n);
  75         if (!aQueryString.isEmpty() && m_aURLObj.GetProtocol() != INetProtocol::File)
  76         {
  77             aUTF8QueryURL.append("?" + aQueryString);
  78         }
  79         OUString aQueryURL = OStringToOUString(aUTF8QueryURL, RTL_TEXTENCODING_UTF8);
  80         ucbhelper::Content aContent(aQueryURL, aEnvironment, m_xContext);
  81         // get reply
  82         try {
  83             m_aResultStream = aContent.openStream();
  84         } catch (const Exception&) {
  85             OSL_FAIL("Cannot open reply stream from content");
  86         }
  87     } catch (const Exception&)
  88     {
  89         // XXX
  90         TOOLS_WARN_EXCEPTION( "forms.misc", "Exception during UCB operation.");
  91         return UNKNOWN_ERROR;
  92     }
  93
  94     return SUCCESS;
  95 }
  96
  97 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */