comphelper/source/misc/simplefileaccessinteraction.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
  10 #include <comphelper/simplefileaccessinteraction.hxx>
  11 #include <com/sun/star/task/XInteractionAbort.hpp>
  12 #include <com/sun/star/task/XInteractionApprove.hpp>
  13 #include <com/sun/star/ucb/AuthenticationRequest.hpp>
  14 #include <com/sun/star/ucb/CertificateValidationRequest.hpp>
  15 #include <com/sun/star/ucb/InteractiveIOException.hpp>
  16 #include <com/sun/star/ucb/InteractiveNetworkException.hpp>
  17 #include <com/sun/star/ucb/UnsupportedDataSinkException.hpp>
  18
  19 namespace comphelper
  20 {
  21 /// Will handle com::sun::star::ucb::InteractiveIOException and derived classes
  22 const sal_Int32 HANDLE_INTERACTIVEIOEXCEPTION = 0;
  23 /// Will handle com::sun::star::ucb::UnsupportedDataSinkException
  24 const sal_Int32 HANDLE_UNSUPPORTEDDATASINKEXCEPTION = 1;
  25 /// Will handle com::sun::star::ucb::InteractiveNetworkException
  26 const sal_Int32 HANDLE_INTERACTIVENETWORKEXCEPTION = 2;
  27 /// Will handle com::sun::star::ucb::CertificateValidationRequest
  28 const sal_Int32 HANDLE_CERTIFICATEREQUEST = 3;
  29 /// Will handle com::sun::star::ucb::AuthenticationRequest
  30 const sal_Int32 HANDLE_AUTHENTICATIONREQUEST = 4;
  31
  32 SimpleFileAccessInteraction::SimpleFileAccessInteraction(
  33     const css::uno::Reference<css::task::XInteractionHandler>& xHandler)
  34 {
  35     std::vector<::ucbhelper::InterceptedInteraction::InterceptedRequest> lInterceptions{
  36         { //intercept standard IO error exception (local file and WebDAV)
  37           css::uno::Any(css::ucb::InteractiveIOException()),
  38           cppu::UnoType<css::task::XInteractionAbort>::get(), HANDLE_INTERACTIVEIOEXCEPTION },
  39         { //intercept internal error
  40           css::uno::Any(css::ucb::UnsupportedDataSinkException()),
  41           cppu::UnoType<css::task::XInteractionAbort>::get(), HANDLE_UNSUPPORTEDDATASINKEXCEPTION },
  42         {
  43             //intercept network error exception (WebDAV ucp provider)
  44             css::uno::Any(css::ucb::InteractiveNetworkException()),
  45             cppu::UnoType<css::task::XInteractionAbort>::get(),
  46             HANDLE_INTERACTIVENETWORKEXCEPTION,
  47         },
  48         { //intercept certificate validation request (WebDAV ucp provider)
  49           css::uno::Any(css::ucb::CertificateValidationRequest()),
  50           cppu::UnoType<css::task::XInteractionAbort>::get(), HANDLE_CERTIFICATEREQUEST },
  51         { //intercept authentication request (WebDAV ucp provider)
  52           css::uno::Any(css::ucb::AuthenticationRequest()),
  53           cppu::UnoType<css::task::XInteractionApprove>::get(), HANDLE_AUTHENTICATIONREQUEST }
  54     };
  55
  56     setInterceptedHandler(xHandler);
  57     setInterceptions(std::move(lInterceptions));
  58 }
  59
  60 SimpleFileAccessInteraction::~SimpleFileAccessInteraction() {}
  61
  62 ucbhelper::InterceptedInteraction::EInterceptionState SimpleFileAccessInteraction::intercepted(
  63     const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest,
  64     const css::uno::Reference<css::task::XInteractionRequest>& xRequest)
  65 {
  66     bool bAbort = false;
  67     switch (aRequest.Handle)
  68     {
  69         case HANDLE_UNSUPPORTEDDATASINKEXCEPTION:
  70         case HANDLE_INTERACTIVENETWORKEXCEPTION:
  71         case HANDLE_INTERACTIVEIOEXCEPTION:
  72         {
  73             bAbort = true;
  74         }
  75         break;
  76
  77         case HANDLE_CERTIFICATEREQUEST:
  78         {
  79             // use default internal handler.
  80             if (m_xInterceptedHandler.is())
  81             {
  82                 m_xInterceptedHandler->handle(xRequest);
  83                 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
  84             }
  85             else
  86                 bAbort = true;
  87             break;
  88         }
  89
  90         case HANDLE_AUTHENTICATIONREQUEST:
  91         {
  92             // use default internal handler.
  93             if (m_xInterceptedHandler.is())
  94             {
  95                 m_xInterceptedHandler->handle(xRequest);
  96                 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
  97             }
  98             else //simply abort
  99                 bAbort = true;
 100         }
 101         break;
 102     }
 103
 104     // handle interaction by ourself, by not doing
 105     // any selection...
 106     if (bAbort)
 107     {
 108         css::uno::Reference<css::task::XInteractionContinuation> xAbort
 109             = ::ucbhelper::InterceptedInteraction::extractContinuation(
 110                 xRequest->getContinuations(), cppu::UnoType<css::task::XInteractionAbort>::get());
 111         if (!xAbort.is())
 112             return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND;
 113         return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
 114     }
 115
 116     return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
 117 }
 118 }
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */