Files
proton-bridge/internal/frontend/bridge-gui/bridge-gui-tester/GRPCMetaDataProcessor.cpp
2023-01-02 11:09:11 +01:00

82 lines
3.4 KiB
C++

// Copyright (c) 2023 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
#include "GRPCMetaDataProcessor.h"
#include <bridgepp/GRPC/GRPCUtils.h>
#include <bridgepp/Exception/Exception.h>
using namespace bridgepp;
using namespace grpc;
//****************************************************************************************************************************************************
/// \param[in] The server token expected from gRPC calls
//****************************************************************************************************************************************************
GRPCMetadataProcessor::GRPCMetadataProcessor(QString const &serverToken)
: serverToken_(serverToken.toStdString())
{
}
//****************************************************************************************************************************************************
/// \return false.
//****************************************************************************************************************************************************
bool GRPCMetadataProcessor::IsBlocking() const
{
return false;
}
//****************************************************************************************************************************************************
/// \param[in] inputMeta
/// \return the result of the metadata processing.
//****************************************************************************************************************************************************
Status GRPCMetadataProcessor::Process(AuthMetadataProcessor::InputMetadata const &auth_metadata, AuthContext *,
AuthMetadataProcessor::OutputMetadata *, AuthMetadataProcessor::OutputMetadata *)
{
try
{
AuthMetadataProcessor::InputMetadata::const_iterator pathIt = auth_metadata.find(":path");
QString const callName = (pathIt == auth_metadata.end()) ? ("unkown gRPC call") : QString::fromLocal8Bit(pathIt->second);
AuthMetadataProcessor::InputMetadata::size_type const count = auth_metadata.count(grpcMetadataServerTokenKey);
if (count == 0)
throw Exception(QString("Missing server token in gRPC client call '%1'.").arg(callName));
if (count > 1)
throw Exception(QString("Several server tokens were provided in gRPC client call '%1'.").arg(callName));
if (auth_metadata.find(grpcMetadataServerTokenKey)->second != serverToken_)
throw Exception(QString("Invalid server token provided by gRPC client call '%1'.").arg(callName));
app().log().trace(QString("Server token for gRPC call '%1' was validated.").arg(callName));
return Status::OK;
}
catch (Exception const &e)
{
app().log().error(e.qwhat());
return Status(StatusCode::UNAUTHENTICATED, e.qwhat().toStdString());
}
}