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/*
// Copyright (c) 2018 Intel Corporation
//
// 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.
*/
#pragma once
#include "error_messages.hpp"
#include "node.hpp"
#include "persistent_data_middleware.hpp"
namespace redfish
{
class SessionCollection;
class Sessions : public Node
{
public:
Sessions(CrowApp& app) :
Node(app, "/redfish/v1/SessionService/Sessions/<str>/", std::string())
{
entityPrivileges = {
{boost::beast::http::verb::get, {{"Login"}}},
{boost::beast::http::verb::head, {{"Login"}}},
{boost::beast::http::verb::patch, {{"ConfigureManager"}}},
{boost::beast::http::verb::put, {{"ConfigureManager"}}},
{boost::beast::http::verb::delete_,
{{"ConfigureManager"}, {"ConfigureSelf"}}},
{boost::beast::http::verb::post, {{"ConfigureManager"}}}};
}
private:
void doGet(crow::Response& res, const crow::Request& req,
const std::vector<std::string>& params) override
{
// Note that control also reaches here via doPost and doDelete.
auto session =
crow::persistent_data::SessionStore::getInstance().getSessionByUid(
params[0]);
if (session == nullptr)
{
messages::resourceNotFound(res, "Session", params[0]);
res.end();
return;
}
res.jsonValue["Id"] = session->uniqueId;
res.jsonValue["UserName"] = session->username;
res.jsonValue["@odata.id"] =
"/redfish/v1/SessionService/Sessions/" + session->uniqueId;
res.jsonValue["@odata.type"] = "#Session.v1_0_2.Session";
res.jsonValue["@odata.context"] =
"/redfish/v1/$metadata#Session.Session";
res.jsonValue["Name"] = "User Session";
res.jsonValue["Description"] = "Manager User Session";
res.end();
}
void doDelete(crow::Response& res, const crow::Request& req,
const std::vector<std::string>& params) override
{
// Need only 1 param which should be id of session to be deleted
if (params.size() != 1)
{
// This should be handled by crow and never happen
BMCWEB_LOG_ERROR << "Session DELETE has been called with invalid "
"number of params";
messages::generalError(res);
res.end();
return;
}
auto session =
crow::persistent_data::SessionStore::getInstance().getSessionByUid(
params[0]);
if (session == nullptr)
{
messages::resourceNotFound(res, "Session", params[0]);
res.end();
return;
}
// Perform a proper ConfigureSelf authority check. If a
// session is being used to DELETE some other user's session,
// then the ConfigureSelf privilege does not apply. In that
// case, perform the authority check again without the user's
// ConfigureSelf privilege.
if (session->username != req.session->username)
{
if (!isAllowedWithoutConfigureSelf(req))
{
BMCWEB_LOG_WARNING << "DELETE Session denied access";
messages::insufficientPrivilege(res);
res.end();
return;
}
}
// DELETE should return representation of object that will be removed
doGet(res, req, params);
crow::persistent_data::SessionStore::getInstance().removeSession(
session);
}
/**
* This allows SessionCollection to reuse this class' doGet method, to
* maintain consistency of returned data, as Collection's doPost should
* return data for created member which should match member's doGet result
* in 100%
*/
friend SessionCollection;
};
class SessionCollection : public Node
{
public:
SessionCollection(CrowApp& app) :
Node(app, "/redfish/v1/SessionService/Sessions/"), memberSession(app)
{
entityPrivileges = {
{boost::beast::http::verb::get, {{"Login"}}},
{boost::beast::http::verb::head, {{"Login"}}},
{boost::beast::http::verb::patch, {{"ConfigureManager"}}},
{boost::beast::http::verb::put, {{"ConfigureManager"}}},
{boost::beast::http::verb::delete_, {{"ConfigureManager"}}},
{boost::beast::http::verb::post, {}}};
}
private:
void doGet(crow::Response& res, const crow::Request& req,
const std::vector<std::string>& params) override
{
std::vector<const std::string*> sessionIds =
crow::persistent_data::SessionStore::getInstance().getUniqueIds(
false, crow::persistent_data::PersistenceType::TIMEOUT);
res.jsonValue["Members@odata.count"] = sessionIds.size();
res.jsonValue["Members"] = nlohmann::json::array();
for (const std::string* uid : sessionIds)
{
res.jsonValue["Members"].push_back(
{{"@odata.id", "/redfish/v1/SessionService/Sessions/" + *uid}});
}
res.jsonValue["Members@odata.count"] = sessionIds.size();
res.jsonValue["@odata.type"] = "#SessionCollection.SessionCollection";
res.jsonValue["@odata.id"] = "/redfish/v1/SessionService/Sessions/";
res.jsonValue["@odata.context"] =
"/redfish/v1/$metadata#SessionCollection.SessionCollection";
res.jsonValue["Name"] = "Session Collection";
res.jsonValue["Description"] = "Session Collection";
res.end();
}
void doPost(crow::Response& res, const crow::Request& req,
const std::vector<std::string>& params) override
{
std::string username;
std::string password;
if (!json_util::readJson(req, res, "UserName", username, "Password",
password))
{
res.end();
return;
}
if (password.empty() || username.empty() ||
res.result() != boost::beast::http::status::ok)
{
if (username.empty())
{
messages::propertyMissing(res, "UserName");
}
if (password.empty())
{
messages::propertyMissing(res, "Password");
}
res.end();
return;
}
if (pamAuthenticateUser(username, password) != PAM_SUCCESS)
{
messages::resourceAtUriUnauthorized(res, std::string(req.url),
"Invalid username or password");
res.end();
return;
}
// User is authenticated - create session
std::shared_ptr<crow::persistent_data::UserSession> session =
crow::persistent_data::SessionStore::getInstance()
.generateUserSession(username);
res.addHeader("X-Auth-Token", session->sessionToken);
res.addHeader("Location", "/redfish/v1/SessionService/Sessions/" +
session->uniqueId);
res.result(boost::beast::http::status::created);
memberSession.doGet(res, req, {session->uniqueId});
}
/**
* Member session to ensure consistency between collection's doPost and
* member's doGet, as they should return 100% matching data
*/
Sessions memberSession;
};
class SessionService : public Node
{
public:
SessionService(CrowApp& app) : Node(app, "/redfish/v1/SessionService/")
{
entityPrivileges = {
{boost::beast::http::verb::get, {{"Login"}}},
{boost::beast::http::verb::head, {{"Login"}}},
{boost::beast::http::verb::patch, {{"ConfigureManager"}}},
{boost::beast::http::verb::put, {{"ConfigureManager"}}},
{boost::beast::http::verb::delete_, {{"ConfigureManager"}}},
{boost::beast::http::verb::post, {{"ConfigureManager"}}}};
}
private:
void doGet(crow::Response& res, const crow::Request& req,
const std::vector<std::string>& params) override
{
res.jsonValue["@odata.type"] = "#SessionService.v1_0_2.SessionService";
res.jsonValue["@odata.id"] = "/redfish/v1/SessionService/";
res.jsonValue["@odata.context"] =
"/redfish/v1/$metadata#SessionService.SessionService";
res.jsonValue["Name"] = "Session Service";
res.jsonValue["Id"] = "SessionService";
res.jsonValue["Description"] = "Session Service";
res.jsonValue["SessionTimeout"] =
crow::persistent_data::SessionStore::getInstance()
.getTimeoutInSeconds();
res.jsonValue["ServiceEnabled"] = true;
res.jsonValue["Sessions"] = {
{"@odata.id", "/redfish/v1/SessionService/Sessions"}};
res.end();
}
};
} // namespace redfish
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