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arangodb/arangod/RestServer/VocbaseContext.cpp

118 lines
4.0 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#include "VocbaseContext.h"
#include "GeneralServer/AuthenticationFeature.h"
#include "Logger/Logger.h"
#include "VocBase/vocbase.h"
using namespace arangodb::rest;
namespace arangodb {
VocbaseContext::VocbaseContext(
GeneralRequest& req,
TRI_vocbase_t& vocbase,
uint32_t flags,
auth::Level systemLevel,
auth::Level dbLevel
): ExecContext(flags, req.user(), req.databaseName(), systemLevel, dbLevel),
_vocbase(vocbase) {
// _vocbase has already been refcounted for us
TRI_ASSERT(!_vocbase.isDangling());
}
VocbaseContext::~VocbaseContext() {
TRI_ASSERT(!_vocbase.isDangling());
_vocbase.release();
}
VocbaseContext* VocbaseContext::create(GeneralRequest& req, TRI_vocbase_t& vocbase) {
// _vocbase has already been refcounted for us
TRI_ASSERT(!vocbase.isDangling());
AuthenticationFeature* auth = AuthenticationFeature::instance();
TRI_ASSERT(auth != nullptr);
if (auth == nullptr) {
return nullptr;
} else if (!auth->isActive()) {
return new VocbaseContext(req, vocbase, /*flags*/ 0,
/*sysLevel*/ auth::Level::RW,
/*dbLevel*/ auth::Level::RW);
}
if (!req.authenticated()) {
return new VocbaseContext(req, vocbase, /*flags*/ 0,
/*sysLevel*/ auth::Level::NONE,
/*dbLevel*/ auth::Level::NONE);
}
// superusers will have an empty username. This MUST be invalid
// for users authenticating with name / password
if (req.user().empty()) {
if (req.authenticationMethod() != AuthenticationMethod::JWT) {
std::string msg = "only jwt can be used to authenticate as superuser";
LOG_TOPIC(WARN, Logger::AUTHENTICATION) << msg;
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, msg);
}
return new VocbaseContext(req, vocbase, /*isInternal*/ true,
/*sysLevel*/ auth::Level::RW,
/*dbLevel*/ auth::Level::RW);
}
auth::UserManager* um = auth->userManager();
if (um == nullptr) {
LOG_TOPIC(WARN, Logger::AUTHENTICATION) << "Server does not support users";
return nullptr;
}
auth::Level dbLvl = um->databaseAuthLevel(req.user(), req.databaseName());
auth::Level sysLvl = dbLvl;
if (req.databaseName() != TRI_VOC_SYSTEM_DATABASE) {
sysLvl = um->databaseAuthLevel(req.user(), TRI_VOC_SYSTEM_DATABASE);
}
bool found;
std::string val = req.header("x-arango-allow-dirty-read", found);
int flags = found && basics::StringUtils::boolean(val) ? FLAG_DIRTY_READS_ALLOWED : 0;
return new VocbaseContext(req, vocbase, /*flags*/ flags,
/*sysLevel*/ sysLvl,
/*dbLevel*/ dbLvl);
}
void VocbaseContext::forceSuperuser() {
TRI_ASSERT(!(_flags & FLAG_INTERNAL) || _user.empty());
_flags |= FLAG_INTERNAL;
_systemDbAuthLevel = auth::Level::RW;
_databaseAuthLevel = auth::Level::RW;
}
void VocbaseContext::forceReadOnly() {
TRI_ASSERT(!(_flags & FLAG_INTERNAL) || _user.empty());
_flags |= FLAG_INTERNAL;
_systemDbAuthLevel = auth::Level::RO;
_databaseAuthLevel = auth::Level::RO;
}
} // arangodb