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Diffstat (limited to 'compat/include/cynara/cynara-client-plugin.h')
-rw-r--r-- | compat/include/cynara/cynara-client-plugin.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/compat/include/cynara/cynara-client-plugin.h b/compat/include/cynara/cynara-client-plugin.h new file mode 100644 index 0000000..70000e6 --- /dev/null +++ b/compat/include/cynara/cynara-client-plugin.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2014-2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * 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 + */ +/** + * @file src/include/cynara-client-plugin.h + * @author Zofia Abramowska <z.abramowska@samsung.com> + * @author Oskar Switalski <o.switalski@samsung.com> + * @version 1.0 + * @brief This file defines cynara client side of external plugin interface - + * ClientPluginInterface. + */ + +#ifndef CYNARACLIENTPLUGIN_H_ +#define CYNARACLIENTPLUGIN_H_ + +#include <memory> + +#include <plugin/ExternalPluginInterface.h> +#include <types/ClientSession.h> +#include <types/PolicyResult.h> + +namespace Cynara { + +class ClientPluginInterface; +typedef std::shared_ptr<ClientPluginInterface> ClientPluginInterfacePtr; + +/** + * A class defining external plugins interface. + * + * These plugins work inside of cynara client library. They interpret + * PolicyResult returned by cynara in terms of: + * * cacheability - tells, whether value should be cached (for e.g. policyType like + * ALLOW_ONCE should not be cached) + * * usability - whether cache entry can still be used (for e.g. policy allowing access for + * given type) + * * value - translates PolicyResult to CYNARA_API_ACCESS_ALLOWED or CYNARA_API_ACCESS_DENIED + * + * Plugin implementing ClientPluginInterface must implement ExternalPluginInterface. + * Creation/destruction functions with signatures compatible to Cynara::create_t and + * Cynara::destroy_t must be provided as factories of ClientPluginInterface. + */ +class ClientPluginInterface : public ExternalPluginInterface { +public: + /** + * Return entry cacheability + */ + virtual bool isCacheable(const ClientSession &session, const PolicyResult &result) = 0; + /** + * Return entry usability + */ + virtual bool isUsable(const ClientSession &session, const ClientSession &prevSession, + bool &updateSession, PolicyResult &result) = 0; + /** + * Translate PolicyResult to CYNARA_API_ACCESS_ALLOWED or CYNARA_API_ACCESS_DENIED + */ + virtual int toResult(const ClientSession &session, PolicyResult &result) = 0; + + virtual ~ClientPluginInterface() {}; +}; + +} + +#endif // CYNARACLIENTPLUGIN_H_ |