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// Copyright (C) 2020-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef HTTP_BASIC_AUTH_CONFIG_H
#define HTTP_BASIC_AUTH_CONFIG_H
#include <http/auth_config.h>
#include <http/basic_auth.h>
#include <list>
#include <unordered_map>
namespace isc {
namespace http {
/// @brief Type of basic HTTP authentication credential and user id map,
/// e.g. map["am9obmRvZTpzZWNyZXQx"] = "johndoe".
///
/// The map is used to verify a received credential: if it is not in it
/// the authentication fails, if it is in it the user id is logged.
typedef std::unordered_map<std::string, std::string> BasicHttpAuthMap;
/// @brief Basic HTTP authentication client configuration.
class BasicHttpAuthClient : public isc::data::UserContext,
public isc::data::CfgToElement {
public:
/// @brief Constructor (legacy).
///
/// @param user User id.
/// @param password Password.
/// @param user_context Optional user context.
BasicHttpAuthClient(const std::string& user,
const std::string& password,
const isc::data::ConstElementPtr& user_context);
/// @brief Constructor.
///
/// @param user User id.
/// @param user_file File with the user id.
/// @param password Password.
/// @param password_file File with the password.
/// @param password_file_only Flag true if the password file includes
/// the user id too.
/// @param user_context Optional user context.
BasicHttpAuthClient(const std::string& user,
const std::string& user_file,
const std::string& password,
const std::string& password_file,
bool password_file_only,
const isc::data::ConstElementPtr& user_context);
/// @brief Returns the user id.
///
/// @return The user id.
const std::string& getUser() const {
return (user_);
}
/// @brief Returns the user id file.
///
/// @return The user id file.
const std::string& getUserFile() const {
return (user_file_);
}
/// @brief Returns the password.
///
/// @return The password.
const std::string& getPassword() const {
return (password_);
}
/// @brief Returns the password file.
///
/// @return The password file.
const std::string& getPasswordFile() const {
return (password_file_);
}
/// @brief Returns the password file only flag.
///
/// @return The password file only flag.
bool getPasswordFileOnly() const {
return (password_file_only_);
}
/// @brief Unparses basic HTTP authentication client configuration.
///
/// @return A pointer to unparsed client configuration.
virtual isc::data::ElementPtr toElement() const;
private:
/// @brief The user id e.g. johndoe.
std::string user_;
/// @brief The user id file.
std::string user_file_;
/// @brief The password e.g. secret1.
std::string password_;
/// @brief The password file.
std::string password_file_;
/// @brief The password file only flag.
bool password_file_only_;
};
/// @brief Type of basic HTTP authentication client configuration list.
typedef std::list<BasicHttpAuthClient> BasicHttpAuthClientList;
/// @brief Basic HTTP authentication configuration.
class BasicHttpAuthConfig : public HttpAuthConfig {
public:
/// @brief Destructor.
virtual ~BasicHttpAuthConfig() { }
/// @brief Add a client configuration.
///
/// @param user User id.
/// @param user_file File with the user id.
/// @param password Password.
/// @param password_file File with the password.
/// @param password_file_only Flag true if the password file includes
/// the user id too.
/// @param user_context Optional user context.
/// @throw BadValue if the user id contains the ':' character.
void add(const std::string& user,
const std::string& user_file,
const std::string& password,
const std::string& password_file,
bool password_file_only = false,
const isc::data::ConstElementPtr& user_context = isc::data::ConstElementPtr());
/// @brief Empty predicate.
///
/// @return true if the configuration is empty so authentication
/// is not required.
virtual bool empty() const;
/// @brief Clear configuration.
virtual void clear();
/// @brief Get the content of {directory}/{file-name} regular file.
///
/// @param file_name The file name.
/// @return The content of the {directory}/{file-name} regular file.
std::string getFileContent(const std::string& file_name) const;
/// @brief Returns the list of client configuration.
///
/// @return List of basic HTTP authentication client configuration.
const BasicHttpAuthClientList& getClientList() const {
return (list_);
}
/// @brief Returns the credential and user id map.
///
/// @return The basic HTTP authentication credential and user id map.
const BasicHttpAuthMap& getCredentialMap() const {
return (map_);
}
/// @brief Parses basic HTTP authentication configuration.
///
/// @param config Element holding the basic HTTP authentication
/// configuration to be parsed.
/// @throw DhcpConfigError when the configuration is invalid.
void parse(const isc::data::ConstElementPtr& config);
/// @brief Unparses basic HTTP authentication configuration.
///
/// @return A pointer to unparsed basic HTTP authentication configuration.
virtual isc::data::ElementPtr toElement() const;
/// @brief Validate HTTP request.
///
/// @param creator The HTTP response creator.
/// @param request The HTTP request to validate.
/// @return Error HTTP response if validation failed, null otherwise.
virtual isc::http::HttpResponseJsonPtr
checkAuth(const isc::http::HttpResponseCreator& creator,
const isc::http::HttpRequestPtr& request) const;
private:
/// @brief The list of basic HTTP authentication client configuration.
BasicHttpAuthClientList list_;
/// @brief The basic HTTP authentication credential and user id map.
BasicHttpAuthMap map_;
};
/// @brief Type of shared pointers to basic HTTP authentication configuration.
typedef boost::shared_ptr<BasicHttpAuthConfig> BasicHttpAuthConfigPtr;
} // end of namespace isc::http
} // end of namespace isc
#endif // endif HTTP_BASIC_AUTH_CONFIG_H
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