131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/*
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File: AuthenticationManagementService.cpp
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Description: Implementation file containing the method definitions of the
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AuthenticationManagementService class, including logout and
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password change logic.
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Author: Trenser
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Date:19-May-2026
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*/
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#include <stdexcept>
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#include "AuthenticationManagementService.h"
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#include "User.h"
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#include "Utility.h"
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#include "DataStoreLockGuard.h"
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User* AuthenticationManagementService::m_authenticatedUser = nullptr;
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EventManager AuthenticationManagementService::m_eventManager;
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HANDLE AuthenticationManagementService::m_accountDisabledEvent = NULL;
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HANDLE AuthenticationManagementService::m_notificationsAvailableEvent = NULL;
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/*
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Function: login
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Description: Authenticates a user by checking the provided username and password
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against the stored users in the DataStore. If successful, sets the
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authenticated user.
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Parameter: const std::string& username - user’s username
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const std::string& password - user’s password
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Return type: bool - true if login successful, false otherwise
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*/
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bool AuthenticationManagementService::login(const std::string& username, const std::string& password)
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{
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DataStoreLockGuard lock(m_dataStore);
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auto& trackedUserMap = m_dataStore.getUsers();
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int trackedUserMapSize = trackedUserMap.getSize();
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for (int index = 0; index < trackedUserMapSize; index++)
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{
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User* user = trackedUserMap.getValueAt(index).data;
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if (username == user->getUserName())
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{
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if (password == user->getPassword())
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{
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m_authenticatedUser = user;
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m_eventManager.initialize(
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user->getId(),
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[]()
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{
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if (m_accountDisabledEvent)
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{
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SetEvent(m_accountDisabledEvent);
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}
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},
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[]()
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{
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if (m_notificationsAvailableEvent)
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{
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SetEvent(m_notificationsAvailableEvent);
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}
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});
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return true;
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}
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return false;
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}
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}
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return false;
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}
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/*
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Function: getAuthenticatedUser
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Description: Retrieves the currently authenticated user.
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Parameter: None
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Return type: User* - pointer to the authenticated user
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*/
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User* AuthenticationManagementService::getAuthenticatedUser()
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{
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return m_authenticatedUser;
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}
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/*
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Function: logout
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Description: Logs out the currently authenticated user by clearing the
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static authenticated user pointer.
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Parameter: None
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Return type: void
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*/
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void AuthenticationManagementService::logout()
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{
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m_eventManager.shutdown();
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m_authenticatedUser = nullptr;
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m_accountDisabledEvent = NULL;
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m_notificationsAvailableEvent = NULL;
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}
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/*
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Function: changePassword
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Description: Changes the password of the currently authenticated user.
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Throws an exception if no user is logged in.
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Parameter: const std::string& newPassword - new password to set
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Return type: void
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*/
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void AuthenticationManagementService::changePassword(const std::string& newPassword)
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{
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DataStoreLockGuard lock(m_dataStore);
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auto& trackedUsersMap = m_dataStore.getUsers();
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if (m_authenticatedUser == nullptr)
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{
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throw std::runtime_error("There is no user currently logged in!");
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}
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int index = trackedUsersMap.find(m_authenticatedUser->getId());
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if (index == -1)
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{
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throw std::runtime_error("User does not exist!\n");
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}
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m_authenticatedUser->setPassword(newPassword);
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trackedUsersMap.getValueAt(index).state = RecordState::MODIFIED;
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m_dataStore.saveUsers();
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}
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/*
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Function: registerEvents
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Description: Registers menu event handles used to notify the active
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menu of account disable and notification events.
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Parameter: HANDLE accountDisabledEvent - account disabled event handle
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HANDLE notificationAvailableEvent - notification event handle
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Return type: void
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*/
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void AuthenticationManagementService::registerEvents(HANDLE accountDisabledEvent, HANDLE notificationAvailableEvent)
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{
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m_accountDisabledEvent = accountDisabledEvent;
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m_notificationsAvailableEvent = notificationAvailableEvent;
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}
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