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one/include/Group.h
2023-01-09 12:23:19 +01:00

287 lines
8.4 KiB
C++

/* ------------------------------------------------------------------------ */
/* Copyright 2002-2023, OpenNebula Project, OpenNebula Systems */
/* */
/* 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. */
/* -------------------------------------------------------------------------*/
#ifndef GROUP_H_
#define GROUP_H_
#include "PoolObjectSQL.h"
#include "GroupTemplate.h"
#include "ObjectCollection.h"
#include "QuotasSQL.h"
#include "VMActions.h"
/**
* The Group class.
*/
class Group : public PoolObjectSQL
{
public:
virtual ~Group() = default;
/**
* Function to print the Group object into a string in XML format
* @param xml the resulting XML string
* @return a reference to the generated string
*/
std::string& to_xml(std::string& xml) const override;
/**
* Function to print the Group object into a string in
* XML format. The extended XML includes the default quotas
* @param xml the resulting XML string
* @return a reference to the generated string
*/
std::string& to_xml_extended(std::string& xml) const;
/**
* Rebuilds the object from an xml formatted string
* @param xml_str The xml-formatted string
*
* @return 0 on success, -1 otherwise
*/
int from_xml(const std::string &xml_str) override;
/**
* Adds this user's ID to the set.
* @param id of the user to be added to the group
* @return 0 on success
*/
int add_user(int id)
{
return users.add(id);
}
/**
* Deletes this users's ID from the set.
* @param id of the user to be deleted from the group
* @return 0 on success
*/
int del_user(int id)
{
if (admins.contains(id))
{
std::string error;
del_admin(id, error);
}
return users.del(id);
}
/**
* Adds a User to the admin set. ACL Rules are updated only for this user.
*
* @param user_id ID of the user
* @param error_msg Returns the error reason, if any
*
* @return 0 on success
*/
int add_admin(int user_id, std::string& error_msg);
/**
* Deletes a User from the admin set. ACL Rules are updated only for this user.
*
* @param user_id ID of the user
* @param error_msg Returns the error reason, if any
*
* @return 0 on success
*/
int del_admin(int user_id, std::string& error_msg);
/**
* Retrun true if User is an admin member of the group
*
* @param user_id ID of the user
*
* @return true on success
*/
bool is_admin(int user_id)
{
return admins.contains(user_id);
}
/**
* Object quotas, provides set and check interface
*/
GroupQuotas quota;
/**
* Writes/updates the Group quotas fields in the database.
* @param db pointer to the db
* @return 0 on success
*/
int update_quotas(SqlDB *db)
{
return quota.update(oid, db->get_local_db());
}
/**
* Factory method for Group templates
*/
std::unique_ptr<Template> get_new_template() const override
{
return std::make_unique<GroupTemplate>();
}
/**
* Sets suntone views in the group template if they are not set. Adds
* an attribute of the form:
* SUNSTONE=[
* DEFAULT_VIEW = "cloud",
* GROUP_ADMIN_DEFAULT_VIEW = "groupadmin",
* GROUP_ADMIN_VIEWS = "cloud,groupadmin",
* VIEWS = "cloud" ]
*/
void sunstone_views(const std::string& user_default,
const std::string& user_views,
const std::string& admin_default,
const std::string& admin_views);
/**
* @return the operation level (admin, manage or use) associated to the
* given action for this group
*/
AuthRequest::Operation get_vm_auth_op(VMActions::Action action) const
{
return vm_actions.get_auth_op(action);
}
protected:
/* Checks the validity of template attributes
* @param error string describing the error if any
* @return 0 on success
*/
int post_update_template(std::string& error) override;
private:
// -------------------------------------------------------------------------
// Friends
// -------------------------------------------------------------------------
friend class GroupPool;
friend class PoolSQL;
// *************************************************************************
// Constructor
// *************************************************************************
Group(int id, const std::string& name);
// *************************************************************************
// Administrators
// *************************************************************************
/**
* Stores a collection with the regular users
*/
ObjectCollection users;
/**
* Stores a collection with the admin users
*/
ObjectCollection admins;
void add_admin_rules(int user_id);
void del_admin_rules(int user_id);
/**
* List of VM actions and rights for this group
*/
VMActions vm_actions;
// *************************************************************************
// DataBase implementation (Private)
// *************************************************************************
/**
* Execute an INSERT or REPLACE Sql query.
* @param db The SQL DB
* @param replace Execute an INSERT or a REPLACE
* @param error_str Returns the error reason, if any
* @return 0 one success
*/
int insert_replace(SqlDB *db, bool replace, std::string& error_str);
/**
* Bootstraps the database table(s) associated to the Group
* @return 0 on success
*/
static int bootstrap(SqlDB * db);
/**
* Reads the Group (identified with its OID) from the database.
* @param db pointer to the db
* @return 0 on success
*/
int select(SqlDB * db) override;
/**
* Reads the Group (identified with its OID) from the database.
* @param db pointer to the db
* @param name of the group
* @param uid of the owner
*
* @return 0 on success
*/
int select(SqlDB * db, const std::string& name, int uid) override;
/**
* Reads the Group quotas from the database.
* @param db pointer to the db
* @return 0 on success
*/
int select_quotas(SqlDB * db);
/**
* Drops the group from the database
* @param db pointer to the db
* @return 0 on success
*/
int drop(SqlDB *db) override;
/**
* Writes the Group in the database.
* @param db pointer to the db
* @return 0 on success
*/
int insert(SqlDB *db, std::string& error_str) override;
/**
* Writes/updates the Group's data fields in the database. This method does
* not update the Group's Quotas
* @param db pointer to the db
* @return 0 on success
*/
int update(SqlDB *db) override
{
std::string error_str;
return insert_replace(db, true, error_str);
}
/**
* Function to print the Group object into a string in
* XML format
* @param xml the resulting XML string
* @param extended If true, default quotas are included
* @return a reference to the generated string
*/
std::string& to_xml_extended(std::string& xml, bool extended) const;
};
#endif /*GROUP_H_*/