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// Copyright (C) 2017 basysKom GmbH, opensource@basyskom.com
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include <private/qopcuabackend_p.h>
QT_BEGIN_NAMESPACE
using namespace Qt::Literals::StringLiterals;
QOpcUaBackend::QOpcUaBackend()
: QObject()
{}
QOpcUaBackend::~QOpcUaBackend()
{}
// All attributes except Value have a fixed type.
// A mapping between attribute id and type can be used to simplify the API for writing multiple attributes at once.
QOpcUa::Types QOpcUaBackend::attributeIdToTypeId(QOpcUa::NodeAttribute attr)
{
switch (attr) {
case QOpcUa::NodeAttribute::NodeId:
case QOpcUa::NodeAttribute::DataType:
return QOpcUa::Types::NodeId;
// case QOpcUa::NodeAttribute::NodeClass: TODO: Add support for the NodeClass type
// return QOpcUa::Types::NodeClass;
case QOpcUa::NodeAttribute::BrowseName:
return QOpcUa::Types::QualifiedName;
case QOpcUa::NodeAttribute::DisplayName:
case QOpcUa::NodeAttribute::Description:
case QOpcUa::NodeAttribute::InverseName:
return QOpcUa::Types::LocalizedText;
case QOpcUa::NodeAttribute::WriteMask:
case QOpcUa::NodeAttribute::UserWriteMask:
case QOpcUa::NodeAttribute::ValueRank:
case QOpcUa::NodeAttribute::ArrayDimensions:
return QOpcUa::Types::UInt32;
case QOpcUa::NodeAttribute::IsAbstract:
case QOpcUa::NodeAttribute::Symmetric:
case QOpcUa::NodeAttribute::ContainsNoLoops:
case QOpcUa::NodeAttribute::Historizing:
case QOpcUa::NodeAttribute::Executable:
case QOpcUa::NodeAttribute::UserExecutable:
return QOpcUa::Types::Boolean;
case QOpcUa::NodeAttribute::EventNotifier:
case QOpcUa::NodeAttribute::AccessLevel:
case QOpcUa::NodeAttribute::UserAccessLevel:
return QOpcUa::Types::Byte;
case QOpcUa::NodeAttribute::MinimumSamplingInterval:
return QOpcUa::Types::Double;
default:
return QOpcUa::Types::Undefined;
}
}
double QOpcUaBackend::revisePublishingInterval(double requestedValue, double minimumValue)
{
return (std::max)(requestedValue, minimumValue);
}
/*!
This function returns \l QOpcUaClient::ClientError::NoError if the given endpoint description is valid.
If \a message is not \nullptr, an error message will be assigned to it, in case
the endpoint description is invalid.
*/
QOpcUaClient::ClientError QOpcUaBackend::verifyEndpointDescription(const QOpcUaEndpointDescription &endpoint, QString *message)
{
if (endpoint.endpointUrl().isEmpty()) {
if (message)
*message = u"Endpoint description is invalid because endpoint URL is empty"_s;
return QOpcUaClient::ClientError::InvalidUrl;
}
const QUrl url(endpoint.endpointUrl());
if (!url.isValid() || url.scheme() != "opc.tcp"_L1) {
if (message)
*message = u"Endpoint description is invalid because the URL is invalid or malformed"_s;
return QOpcUaClient::ClientError::InvalidUrl;
}
if (endpoint.securityPolicy().isEmpty()) {
if (message)
*message = u"Endpoint description is invalid because security policy is empty"_s;
return QOpcUaClient::ClientError::InvalidEndpointDescription;
}
if (endpoint.userIdentityTokens().isEmpty()) {
if (message)
*message = u"Endpoint description is invalid because there are no user identity tokens"_s;
return QOpcUaClient::ClientError::NoMatchingUserIdentityTokenFound;
}
if (endpoint.securityMode() != QOpcUaEndpointDescription::MessageSecurityMode::None &&
endpoint.securityMode() != QOpcUaEndpointDescription::MessageSecurityMode::Sign &&
endpoint.securityMode() != QOpcUaEndpointDescription::MessageSecurityMode::SignAndEncrypt)
{
if (message)
*message = u"Endpoint description contains an invalid message security mode"_s;
return QOpcUaClient::ClientError::InvalidEndpointDescription;
}
return QOpcUaClient::ClientError::NoError;
}
QT_END_NAMESPACE