office-gobmx/ucb/source/ucp/webdav-curl/webdavdatasupplier.cxx
Noel Grandin 6ffdcbdd29 loplugin:stringadd in ucb
when applying my upcoming patch to also consider O[U]StringBuffer

Change-Id: I2445a69dc46314c73f54c190a0c498c0309be06b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/149750
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-03-30 13:36:11 +00:00

441 lines
12 KiB
C++

/* -*- 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 <sal/log.hxx>
#include <utility>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/ucb/OpenMode.hpp>
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/providerhelper.hxx>
#include "webdavdatasupplier.hxx"
#include "webdavcontent.hxx"
#include "DAVProperties.hxx"
#include "CurlUri.hxx"
#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
#include <com/sun/star/ucb/ResultSetException.hpp>
#include <comphelper/diagnose_ex.hxx>
using namespace com::sun::star;
using namespace http_dav_ucp;
namespace http_dav_ucp
{
namespace {
auto DumpResources(std::vector<DAVResource> const& rResources) -> OUString
{
OUStringBuffer buf;
for (auto const& rResource : rResources)
{
buf.append("resource URL: <" + rResource.uri);
try {
CurlUri const uri(rResource.uri);
buf.append("> parsed URL: <"
+ DecodeURI(uri.GetRelativeReference())
+ "> ");
} catch (...) {
// parsing uri could fail
buf.append("> parsing URL failed! ");
}
buf.append("properties: ");
for (auto const& it : rResource.properties)
{
buf.append("\"" + it.Name + "\" ");
}
buf.append("\n");
}
buf.stripEnd('\n'); // the last newline is superfluous, remove it
return buf.makeStringAndClear();
}
}
}
// DataSupplier Implementation.
DataSupplier::DataSupplier(
const uno::Reference< uno::XComponentContext >& rxContext,
const rtl::Reference< Content >& rContent,
sal_Int32 nOpenMode )
: m_xContent( rContent ), m_xContext( rxContext ), m_nOpenMode( nOpenMode ),
m_bCountFinal( false ), m_bThrowException( false )
{
}
// virtual
DataSupplier::~DataSupplier()
{}
// virtual
OUString DataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
{
OUString aId = m_Results[ nIndex ]->aId;
if ( aId.getLength() )
{
// Already cached.
return aId;
}
}
if ( getResult( nIndex ) )
{
OUString aId = m_xContent->getResourceAccess().getURL();
const ContentProperties& props(*(m_Results[ nIndex ]->pData));
if ( ( aId.lastIndexOf( '/' ) + 1 ) != aId.getLength() )
aId += "/";
aId += props.getEscapedTitle();
if ( props.isTrailingSlash() )
aId += "/";
m_Results[ nIndex ]->aId = aId;
return aId;
}
return OUString();
}
// virtual
uno::Reference< ucb::XContentIdentifier >
DataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
{
uno::Reference< ucb::XContentIdentifier > xId
= m_Results[ nIndex ]->xId;
if ( xId.is() )
{
// Already cached.
return xId;
}
}
OUString aId = queryContentIdentifierString( nIndex );
if ( aId.getLength() )
{
uno::Reference< ucb::XContentIdentifier > xId
= new ::ucbhelper::ContentIdentifier( aId );
m_Results[ nIndex ]->xId = xId;
return xId;
}
return uno::Reference< ucb::XContentIdentifier >();
}
// virtual
uno::Reference< ucb::XContent >
DataSupplier::queryContent( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
{
uno::Reference< ucb::XContent > xContent
= m_Results[ nIndex ]->xContent;
if ( xContent.is() )
{
// Already cached.
return xContent;
}
}
uno::Reference< ucb::XContentIdentifier > xId
= queryContentIdentifier( nIndex );
if ( xId.is() )
{
try
{
uno::Reference< ucb::XContent > xContent
= m_xContent->getProvider()->queryContent( xId );
m_Results[ nIndex ]->xContent = xContent;
return xContent;
}
catch ( ucb::IllegalIdentifierException& )
{
}
}
return uno::Reference< ucb::XContent >();
}
// virtual
bool DataSupplier::getResult( sal_uInt32 nIndex )
{
osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
{
// Result already present.
return true;
}
// Obtain values...
if ( getData() )
{
if (nIndex < m_Results.size())
{
// Result already present.
return true;
}
}
return false;
}
// virtual
sal_uInt32 DataSupplier::totalCount()
{
// Obtain values...
getData();
return m_Results.size();
}
// virtual
sal_uInt32 DataSupplier::currentCount()
{
return m_Results.size();
}
// virtual
bool DataSupplier::isCountFinal()
{
return m_bCountFinal;
}
// virtual
uno::Reference< sdbc::XRow > DataSupplier::queryPropertyValues(
sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
{
uno::Reference< sdbc::XRow > xRow = m_Results[ nIndex ]->xRow;
if ( xRow.is() )
{
// Already cached.
return xRow;
}
}
if ( getResult( nIndex ) )
{
uno::Reference< sdbc::XRow > xRow
= Content::getPropertyValues(
m_xContext,
getResultSet()->getProperties(),
*(m_Results[ nIndex ]->pData),
m_xContent->getProvider(),
queryContentIdentifierString( nIndex ) );
m_Results[ nIndex ]->xRow = xRow;
return xRow;
}
return uno::Reference< sdbc::XRow >();
}
// virtual
void DataSupplier::releasePropertyValues( sal_uInt32 nIndex )
{
osl::Guard< osl::Mutex > aGuard( m_aMutex );
if (nIndex < m_Results.size())
m_Results[ nIndex ]->xRow.clear();
}
// virtual
void DataSupplier::close()
{
}
// virtual
void DataSupplier::validate()
{
if ( m_bThrowException )
throw ucb::ResultSetException();
}
bool DataSupplier::getData()
{
osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex );
if ( !m_bCountFinal )
{
std::vector< OUString > propertyNames;
ContentProperties::UCBNamesToDAVNames(
getResultSet()->getProperties(), propertyNames );
// Append "resourcetype", if not already present. It's value is
// needed to get a valid ContentProperties::pIsFolder value, which
// is needed for OpenMode handling.
bool isNoResourceType = std::none_of(propertyNames.begin(), propertyNames.end(),
[](const OUString& rPropName) { return rPropName.equals(DAVProperties::RESOURCETYPE); });
if ( isNoResourceType )
propertyNames.push_back( DAVProperties::RESOURCETYPE );
std::vector< DAVResource > resources;
try
{
// propfind depth 1, get property values for parent AND for each
// child
m_xContent->getResourceAccess()
.PROPFIND( DAVONE,
propertyNames,
resources,
getResultSet()->getEnvironment() );
SAL_INFO("ucb.ucp.webdav", "getData() - " << DumpResources(resources));
}
catch ( DAVException & )
{
TOOLS_WARN_EXCEPTION( "ucb.ucp.webdav", "PROPFIND : DAVException" );
m_bThrowException = true;
}
if ( !m_bThrowException )
{
try
{
CurlUri const aURI(
m_xContent->getResourceAccess().getURL() );
OUString aPath = aURI.GetPath();
if ( aPath.endsWith("/") )
aPath = aPath.copy( 0, aPath.getLength() - 1 );
aPath = DecodeURI(aPath);
bool bFoundParent = false;
for ( size_t n = 0; n < resources.size(); ++n )
{
const DAVResource & rRes = resources[ n ];
// Filter parent, which is contained somewhere(!) in
// the vector.
if ( !bFoundParent )
{
try
{
CurlUri const aCurrURI( rRes.uri );
OUString aCurrPath = aCurrURI.GetPath();
if ( aCurrPath.endsWith("/") )
aCurrPath
= aCurrPath.copy(
0,
aCurrPath.getLength() - 1 );
aCurrPath = DecodeURI(aCurrPath);
if ( aPath == aCurrPath )
{
bFoundParent = true;
continue;
}
}
catch ( DAVException const & )
{
// do nothing, ignore error. continue.
}
}
std::unique_ptr<ContentProperties> pContentProperties
= std::make_unique<ContentProperties>( rRes );
// Check resource against open mode.
switch ( m_nOpenMode )
{
case ucb::OpenMode::FOLDERS:
{
bool bFolder = false;
const uno::Any & rValue
= pContentProperties->getValue( "IsFolder" );
rValue >>= bFolder;
if ( !bFolder )
continue;
break;
}
case ucb::OpenMode::DOCUMENTS:
{
bool bDocument = false;
const uno::Any & rValue
= pContentProperties->getValue( "IsDocument" );
rValue >>= bDocument;
if ( !bDocument )
continue;
break;
}
case ucb::OpenMode::ALL:
default:
break;
}
m_Results.push_back(
std::make_unique<ResultListEntry>(std::move(pContentProperties)));
}
}
catch ( DAVException const & )
{
}
}
m_bCountFinal = true;
// Callback possible, because listeners may be informed!
aGuard.clear();
getResultSet()->rowCountFinal();
}
return !m_bThrowException;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */