void QgsWFSRequest::replyFinished()
{
if ( !mIsAborted && mReply )
{
if ( mReply->error() == QNetworkReply::NoError )
{
QgsDebugMsg( "reply ok" );
QVariant redirect = mReply->attribute( QNetworkRequest::RedirectionTargetAttribute );
if ( !redirect.isNull() )
{
QgsDebugMsg( "Request redirected." );
const QUrl& toUrl = redirect.toUrl();
mReply->request();
if ( toUrl == mReply->url() )
{
mErrorMessage = tr( "Redirect loop detected: %1" ).arg( toUrl.toString() );
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
mResponse.clear();
}
else
{
QNetworkRequest request( toUrl );
if ( !mUri.auth().setAuthorization( request ) )
{
mResponse.clear();
mErrorMessage = errorMessageFailedAuth();
mErrorCode = QgsWFSRequest::NetworkError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
emit downloadFinished();
return;
}
request.setAttribute( QNetworkRequest::CacheLoadControlAttribute, mForceRefresh ? QNetworkRequest::AlwaysNetwork : QNetworkRequest::PreferCache );
request.setAttribute( QNetworkRequest::CacheSaveControlAttribute, true );
mReply->deleteLater();
mReply = nullptr;
QgsDebugMsg( QString( "redirected: %1 forceRefresh=%2" ).arg( redirect.toString() ).arg( mForceRefresh ) );
mReply = QgsNetworkAccessManager::instance()->get( request );
connect( mReply, SIGNAL( finished() ), this, SLOT( replyFinished() ) );
connect( mReply, SIGNAL( downloadProgress( qint64, qint64 ) ), this, SLOT( replyProgress( qint64, qint64 ) ) );
return;
}
}
else
{
const QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
if ( nam->cache() )
{
QNetworkCacheMetaData cmd = nam->cache()->metaData( mReply->request().url() );
QNetworkCacheMetaData::RawHeaderList hl;
Q_FOREACH ( const QNetworkCacheMetaData::RawHeader &h, cmd.rawHeaders() )
{
if ( h.first != "Cache-Control" )
hl.append( h );
}
cmd.setRawHeaders( hl );
QgsDebugMsg( QString( "expirationDate:%1" ).arg( cmd.expirationDate().toString() ) );
if ( cmd.expirationDate().isNull() )
{
cmd.setExpirationDate( QDateTime::currentDateTime().addSecs( defaultExpirationInSec() ) );
}
nam->cache()->updateMetaData( cmd );
}
else
{
QgsDebugMsg( "No cache!" );
}
#ifdef QGISDEBUG
bool fromCache = mReply->attribute( QNetworkRequest::SourceIsFromCacheAttribute ).toBool();
QgsDebugMsg( QString( "Reply was cached: %1" ).arg( fromCache ) );
#endif
mResponse = mReply->readAll();
if ( mResponse.isEmpty() && !mGotNonEmptyResponse )
{
mErrorMessage = tr( "empty response: %1" ).arg( mReply->errorString() );
mErrorCode = QgsWFSRequest::ServerExceptionError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
}
}
void QgsWfsRequest::replyFinished()
{
if ( !mIsAborted && mReply )
{
if ( mReply->error() == QNetworkReply::NoError )
{
QgsDebugMsgLevel( QStringLiteral( "reply OK" ), 4 );
QVariant redirect = mReply->attribute( QNetworkRequest::RedirectionTargetAttribute );
if ( !redirect.isNull() )
{
QgsDebugMsgLevel( QStringLiteral( "Request redirected." ), 4 );
const QUrl &toUrl = redirect.toUrl();
mReply->request();
if ( toUrl == mReply->url() )
{
mErrorMessage = tr( "Redirect loop detected: %1" ).arg( toUrl.toString() );
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
mResponse.clear();
}
else
{
QNetworkRequest request( toUrl );
QgsSetRequestInitiatorClass( request, QStringLiteral( "QgsWfsRequest" ) );
if ( !mUri.auth().setAuthorization( request ) )
{
mResponse.clear();
mErrorMessage = errorMessageFailedAuth();
mErrorCode = QgsWfsRequest::NetworkError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
emit downloadFinished();
return;
}
request.setAttribute( QNetworkRequest::CacheLoadControlAttribute, mForceRefresh ? QNetworkRequest::AlwaysNetwork : QNetworkRequest::PreferCache );
request.setAttribute( QNetworkRequest::CacheSaveControlAttribute, true );
mReply->deleteLater();
mReply = nullptr;
QgsDebugMsgLevel( QStringLiteral( "redirected: %1 forceRefresh=%2" ).arg( redirect.toString() ).arg( mForceRefresh ), 4 );
mReply = QgsNetworkAccessManager::instance()->get( request );
mReply->setReadBufferSize( READ_BUFFER_SIZE_HINT );
if ( !mUri.auth().setAuthorizationReply( mReply ) )
{
mResponse.clear();
mErrorMessage = errorMessageFailedAuth();
mErrorCode = QgsWfsRequest::NetworkError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
emit downloadFinished();
return;
}
connect( mReply, &QNetworkReply::finished, this, &QgsWfsRequest::replyFinished, Qt::DirectConnection );
connect( mReply, &QNetworkReply::downloadProgress, this, &QgsWfsRequest::replyProgress, Qt::DirectConnection );
return;
}
}
else
{
const QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
if ( nam->cache() )
{
QNetworkCacheMetaData cmd = nam->cache()->metaData( mReply->request().url() );
QNetworkCacheMetaData::RawHeaderList hl;
const auto constRawHeaders = cmd.rawHeaders();
for ( const QNetworkCacheMetaData::RawHeader &h : constRawHeaders )
{
if ( h.first != "Cache-Control" )
hl.append( h );
}
cmd.setRawHeaders( hl );
QgsDebugMsgLevel( QStringLiteral( "expirationDate:%1" ).arg( cmd.expirationDate().toString() ), 4 );
if ( cmd.expirationDate().isNull() )
{
cmd.setExpirationDate( QDateTime::currentDateTime().addSecs( defaultExpirationInSec() ) );
}
nam->cache()->updateMetaData( cmd );
}
else
{
QgsDebugMsgLevel( QStringLiteral( "No cache!" ), 4 );
}
#ifdef QGISDEBUG
bool fromCache = mReply->attribute( QNetworkRequest::SourceIsFromCacheAttribute ).toBool();
QgsDebugMsgLevel( QStringLiteral( "Reply was cached: %1" ).arg( fromCache ), 4 );
#endif
mResponse = mReply->readAll();
if ( mResponse.isEmpty() && !mGotNonEmptyResponse )
{
mErrorMessage = tr( "empty response: %1" ).arg( mReply->errorString() );
mErrorCode = QgsWfsRequest::ServerExceptionError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
}
}
}
else
{
mErrorMessage = errorMessageWithReason( mReply->errorString() );
mErrorCode = QgsWfsRequest::ServerExceptionError;
QgsMessageLog::logMessage( mErrorMessage, tr( "WFS" ) );
mResponse.clear();
}
}
if ( mTimedout )
mErrorCode = QgsWfsRequest::TimeoutError;
if ( mReply )
{
mReply->deleteLater();
mReply = nullptr;
}
emit downloadFinished();
}