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/io/Pipe.hpp>
  28 #include <com/sun/star/task/InteractionHandler.hpp>
  29
  30 #include <memory>
  31
  32 using namespace css::uno;
  33 using namespace css::ucb;
  34 using namespace css::task;
  35 using namespace css::io;
  36 using namespace osl;
  37 using namespace ucbhelper;
  38 using namespace std;
  39
  40
  41 CSubmissionGet::CSubmissionGet(const OUString& aURL, const css::uno::Reference< css::xml::dom::XDocumentFragment >& aFragment)
  42     : CSubmission(aURL, aFragment)
  43 {
  44 }
  45
  46 CSubmission::SubmissionResult CSubmissionGet::submit(const css::uno::Reference< css::task::XInteractionHandler >& aInteractionHandler)
  47 {
  48     // GET always uses application/x-www-formurlencoded
  49     std::unique_ptr< CSerialization > apSerialization(new CSerializationURLEncoded());
  50     apSerialization->setSource(m_aFragment);
  51     apSerialization->serialize();
  52
  53     css::uno::Reference< XInputStream > aInStream = apSerialization->getInputStream();
  54
  55     // create a commandEnvironment and use the default interaction handler
  56     CCommandEnvironmentHelper *pHelper = new CCommandEnvironmentHelper;
  57     if( aInteractionHandler.is() )
  58         pHelper->m_aInteractionHandler = aInteractionHandler;
  59     else
  60         pHelper->m_aInteractionHandler.set(
  61             css::task::InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
  62     CProgressHandlerHelper *pProgressHelper = new CProgressHandlerHelper;
  63     pHelper->m_aProgressHandler.set(pProgressHelper);
  64
  65     // UCB has ownership of environment...
  66     css::uno::Reference< XCommandEnvironment > aEnvironment(pHelper);
  67
  68     // append query string to the URL
  69     try {
  70         OStringBuffer aUTF8QueryURL(OUStringToOString(m_aURLObj.GetMainURL(INetURLObject::DecodeMechanism::NONE),
  71             RTL_TEXTENCODING_UTF8));
  72         OStringBuffer aQueryString;
  73
  74         const sal_Int32 size = 1024;
  75         sal_Int32 n = 0;
  76         Sequence< sal_Int8 > aByteBuffer(size);
  77         while ((n = aInStream->readSomeBytes(aByteBuffer, size-1)) != 0)
  78             aQueryString.append(reinterpret_cast<char const *>(aByteBuffer.getConstArray()), n);
  79         if (!aQueryString.isEmpty() && m_aURLObj.GetProtocol() != INetProtocol::File)
  80         {
  81             aUTF8QueryURL.append('?');
  82             aUTF8QueryURL.append(aQueryString.makeStringAndClear());
  83         }
  84         OUString aQueryURL = OStringToOUString(aUTF8QueryURL.makeStringAndClear(), RTL_TEXTENCODING_UTF8);
  85         ucbhelper::Content aContent(aQueryURL, aEnvironment, m_xContext);
  86         css::uno::Reference< XOutputStream > aPipe( css::io::Pipe::create(m_xContext), UNO_QUERY_THROW );
  87         if (!aContent.openStream(aPipe))
  88             return UNKNOWN_ERROR;
  89         // get reply
  90         try {
  91             m_aResultStream = aContent.openStream();
  92         } catch (const Exception&) {
  93             OSL_FAIL("Cannot open reply stream from content");
  94         }
  95     } catch (const Exception&)
  96     {
  97         // XXX
  98         OSL_FAIL("Exception during UCB operatration.");
  99         return UNKNOWN_ERROR;
 100     }
 101
 102     return SUCCESS;
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */