void addUser(LinkedList<User> *listOfUsers)
{
string name, username, password;
clearScreen();
displayLogo();
//The user is prompted for the appropriate information
cout << "Please enter the name of the new user:\n\n";
getline(cin, name);
cout << "\nPlease enter the username of the new user:\n\n";
getline(cin, username);
cout << "\nPlease enter the password of the new user:\n\n";
getline(cin, password);
//A new user with the specified information is created
User newUser(name, username, password);
//The new user is added to the list of users
listOfUsers->append(newUser);
saveUsers(listOfUsers);
}
void removeUser(LinkedList<User> *listOfUsers)
{
string username;
//The user is prompted for the username of the user that they want removed
cout << "Please enter the username of the user to remove:\n\n";
getline(cin, username);
removeByUser_UserName(listOfUsers, username); //This function passes the list of user and username of the user to be removed
saveUsers(listOfUsers);
}
void shutdownTT() /* Using SIGUSR1 to shutdown the system - BackboneGlobal is a global variable - Very bad practice but the only way it works */
{
sendSignalToTerm(BackboneGlobal);
sendSignalToAdmin(BackboneGlobal);
sendSignalToLog(BackboneGlobal);
saveFlights(BackboneGlobal);
saveUsers(BackboneGlobal);
freeBackbone();
printf("System is shutting down!\n");
unlink(npServer);
exit(0);
}
void shutdownT(pBackbone BackboneAux)
{
sendSignalToTerm(BackboneAux);
sendSignalToAdmin(BackboneAux);
sendSignalToLog(BackboneAux);
saveFlights(BackboneAux);
saveUsers(BackboneAux);
freeBackbone();
printf("System is shutting down!\n");
unlink(npServer);
exit(0);
}
void MessageManager::save(SimpleXML& aXml) {
aXml.addTag("ChatFilterItems");
aXml.stepIn();
{
RLock l(Ignorecs);
for (const auto& i : ChatFilterItems) {
aXml.addTag("ChatFilterItem");
aXml.addChildAttrib("Nick", i.getNickPattern());
aXml.addChildAttrib("NickMethod", i.getNickMethod());
aXml.addChildAttrib("Text", i.getTextPattern());
aXml.addChildAttrib("TextMethod", i.getTextMethod());
aXml.addChildAttrib("MC", i.matchMainchat);
aXml.addChildAttrib("PM", i.matchPM);
aXml.addChildAttrib("Enabled", i.getEnabled());
}
}
aXml.stepOut();
if (dirty)
saveUsers();
}
void Server::client_readyRead()
{
QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
if (!socket) {
qWarning("Server::client_readyRead(): Cast of sender() to QTcpSocket* failed");
return;
}
#ifdef DEBUG
qDebug("\nServer::client_readyRead(): %li bytes available", (long)socket->bytesAvailable());
#endif
Client *client = m_clients[socket];
QDataStream in(socket);
in.setVersion(QDataStream::Qt_4_0);
if (client->packetSize == 0) {
if (socket->bytesAvailable() < (int)sizeof(quint32)) // packet size
return;
in >> client->packetSize;
}
if (socket->bytesAvailable() < client->packetSize)
return;
client->packetSize = 0; // reset packet size
qint32 type;
in >> type;
#ifdef DEBUG
qDebug("PacketType %i (%s) from '%s' (%s:%i)", type,
qPrintable(QccPacket::typeString((QccPacket::PacketType)type)),
qPrintable(client->user ? client->user->username() : "[no user object]"),
qPrintable(socket->peerAddress().toString()), socket->peerPort());
#endif
switch ((QccPacket::PacketType)type) {
case QccPacket::UserRegister:
{
QString username, password;
QByteArray publicKey;
in >> username >> password >> publicKey;
#ifdef DEBUG
qDebug("Username = '******' password = '******'", qPrintable(username), qPrintable(password));
#endif
if (username.isEmpty()) {
QString reason = "The username cannot be empty.";
QccPacket packet(QccPacket::RegisterFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("RegisterFailure: %s", qPrintable(reason));
#endif
break;
}
if (m_users.contains(username)) {
QString reason = QString("The username \"%1\" is not available.").arg(username);
QccPacket packet(QccPacket::RegisterFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("RegisterFailure: %s", qPrintable(reason));
#endif
break;
}
#ifdef DEBUG
qDebug("RegisterSuccess");
#endif
User *user = new User(username, password);
user->setPublicKey(publicKey);
user->setSocket(socket);
connect(user, SIGNAL(statusChanged()), SLOT(client_statusChanged()));
user->setStatus(User::Online);
m_users.insert(username, user);
saveUsers();
client->user = user;
QccPacket(QccPacket::RegisterSuccess).send(socket);
break;
}
case QccPacket::UserAuthentication:
{
QString username, password;
QByteArray publicKey;
in >> username >> password >> publicKey;
#ifdef DEBUG
qDebug("Username = '******' password = '******'", qPrintable(username), qPrintable(password));
#endif
User *user = m_users.contains(username) ? m_users[username] : NULL;
if (user && user->matchPassword(password)) {
#ifdef DEBUG
qDebug("AuthenticationSuccess");
#endif
user->setPublicKey(publicKey);
user->setSocket(socket);
user->setStatus(User::Online);
client->user = user;
QccPacket(QccPacket::AuthenticationSuccess).send(socket);
} else {
QString reason = "The username or password you entered is incorrect.";
QccPacket packet(QccPacket::AuthenticationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthenticationFailure: %s", qPrintable(reason));
#endif
}
break;
}
case QccPacket::RequestAuthorization:
{
QString username;
in >> username;
if (!m_users.contains(username)) {
QString reason = QString("The user \"%1\" does not exist.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
if (client->user->username() == username) {
QString reason = QString("You cannot add yourself.");
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
if (client->user->containsContact(username)) {
QString reason = QString("The user \"%1\" is already on your contact list.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
break;
}
User *receiver = m_users.value(username);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::RequestAuthorization);
packet.stream() << client->user->username();
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("RequestAuthorization: forwarded to '%s'", qPrintable(username));
#endif
} else {
QString reason = QString("The user \"%1\" is not online.").arg(username);
QccPacket packet(QccPacket::AuthorizationFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("AuthorizationFailure: %s", qPrintable(reason));
#endif
}
break;
}
case QccPacket::AuthorizationAccepted:
{
QString username;
in >> username;
if (username.isEmpty())
break;
User *receiver = m_users[username];
if (receiver && receiver->isOnline()) {
receiver->addContact(client->user->username());
client->user->addContact(username);
saveUsers();
QccPacket packet(QccPacket::AuthorizationAccepted);
packet.stream() << client->user->username() << (qint32)client->user->status() << client->user->publicKey();
packet.send(receiver->socket());
QccPacket packet2(QccPacket::AuthorizationAccepted);
packet2.stream() << username << (qint32)receiver->status() << receiver->publicKey();
packet2.send(socket);
}
#ifdef DEBUG
qDebug("AuthorizationAccepted: forwarded to '%s'", qPrintable(username));
#endif
break;
}
case QccPacket::AuthorizationDeclined:
{
QString username;
in >> username;
if (username.isEmpty())
break;
User *receiver = m_users.value(username);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::AuthorizationDeclined);
packet.stream() << client->user->username();
packet.send(receiver->socket());
}
#ifdef DEBUG
qDebug("AuthorizationDeclined: forwarded to '%s'", qPrintable(username));
#endif
break;
}
case QccPacket::RequestContactList:
{
QccPacket packet(QccPacket::ContactList);
QSet<QString> contacts = client->user->contacts();
packet.stream() << (qint32)contacts.count();
foreach (const QString &contactName, contacts) {
User *contact = m_users.value(contactName);
if (!contact) continue;
packet.stream() << contactName << qint32(contact->status()) << contact->publicKey();
}
packet.send(socket);
#ifdef DEBUG
qDebug("ContactList: %i contacts send", contacts.count());
#endif
break;
}
case QccPacket::RemoveContact:
{
QString username;
in >> username;
if (client->user->removeContact(username)) {
QccPacket packet(QccPacket::ContactRemoved);
packet.stream() << username;
packet.send(socket);
User *receiver = m_users[username];
if (receiver && receiver->removeContact(client->user->username()) && receiver->isOnline()) {
QccPacket packet2(QccPacket::ContactRemoved);
packet2.stream() << client->user->username();
packet2.send(receiver->socket());
}
saveUsers();
#ifdef DEBUG
qDebug("ContactRemoved: contact '%s' removed", qPrintable(username));
#endif
}
break;
}
case QccPacket::Message:
{
qint32 id;
QString receiverName;
QString message;
in >> id >> receiverName >> message;
if (!client->user->containsContact(receiverName)) {
QString reason = QString("The user \"%1\" is not on your contact list.").arg(receiverName);
QccPacket packet(QccPacket::MessageFailure);
packet.stream() << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("MessageFailure: %s", qPrintable(reason));
#endif
break;
}
User *receiver = m_users.value(receiverName);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::Message);
packet.stream() << id << client->user->username() << message;
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("Message: forwarded to '%s'", qPrintable(receiverName));
#endif
} else {
QString reason = QString("The user \"%1\" is not online.").arg(receiverName);
QccPacket packet(QccPacket::MessageFailure);
packet.stream() << id << receiverName << reason;
packet.send(socket);
#ifdef DEBUG
qDebug("MessageFailure: failed to forward to '%s' => %s",
qPrintable(receiverName), qPrintable(reason));
#endif
}
break;
}
case QccPacket::MessageSuccess:
{
qint32 id;
QString receiverName;
in >> id >> receiverName;
User *receiver = m_users.value(receiverName);
if (receiver && receiver->isOnline()) {
QccPacket packet(QccPacket::MessageSuccess);
packet.stream() << id << client->user->username();
packet.send(receiver->socket());
#ifdef DEBUG
qDebug("MessageSuccess: forwarded to '%s'", qPrintable(receiverName));
#endif
}
break;
}
default:
qWarning("Server::client_readyRead(): Illegal PacketType %i", type);
return;
}
void modifyUser(LinkedList<User> *listOfUsers)
{
string username, reply, modification;
Node<User> *tmp;
//The user is initially prompted for a username in order to identify which person to mod
cout << "What is the username of the user you wish to modify?\n\n";
getline(cin, username);
tmp = listOfUsers->mHead; //tmp is set to the first user in the list
while (tmp != NULL)
{
//As long as the specified user isn't found and tmp isn't NULL, the loop will search for the user
if (tmp->mData.getUserName() == username)
{
break;
}
else
{
tmp = tmp->mNext;
}
}
if (tmp == NULL)
{
cout << "That user does not exist.\n\n";
}
else //If they exist, the user is prompted to change either the name, username, or password
{
cout << "Would you like to modify the name, username, or password?\n\n";
getline(cin, reply);
if (reply == "name")
{
cout << "What is the new name?\n\n";
getline(cin, modification);
//setName is called and the modification is passed in order to update the name
tmp->mData.setName(modification);
}
else if (reply == "username")
{
cout << "What is the new username?\n\n";
getline(cin, modification);
//setUserName is called and the modification is passed in order to update the username
tmp->mData.setUserName(modification);
}
else if (reply == "password")
{
cout << "What is the new password?\n\n";
getline(cin, modification);
//setPassword is called and the modification is passed in order to update the password
tmp->mData.setPassword(modification);
}
else
{
cout << "Invalid selection.\n\n";
}
}
saveUsers(listOfUsers);
}
void UserManagement::readUserData(QString fileName)
{
//READS THE USER.CSV FILE AND PARSES IT ACCORDINGLY
QFile players(fileName);
if (players.open(QIODevice::ReadOnly))
{
QTextStream reader(&players);
QString data=reader.readLine();
QStringList values;
while(!data.isNull())
{
if(data.contains(":"))//checks for garbage that doesnt have :
{
values=data.split(":");
userTimestamp.append(values[0]);
if(nameValidation(values[1]))//CHECKS FOR NAME VALIDATION
{
userPlayer.append(values[1]);
}
else
{
userPlayer.append("");
players.remove();
userTimestamp.clear();
userPlayer.clear();
userLevel.clear();
saveUsers(fileName);
break;
}
if(levelValidation(values[2]))//CHECKS FOR LEVEL VALIDATION
{
userLevel.append(values[2]);
}
else
{
userPlayer.append("");
players.remove();
userTimestamp.clear();
userPlayer.clear();
userLevel.clear();
saveUsers(fileName);
break;
}
data = reader.readLine();
}
else
break;
}
players.close();
}
else//CHECKS IF FILE ISNT READ (AKA DOESNT EXIST)
{
userPlayer.append("");
userTimestamp.append("");
userLevel.append("");
}
if(userPlayer.size()==0)//CHECKS IF FILE IS EMPTY
{
userPlayer.append("");
userTimestamp.append("");
userLevel.append("");
QMessageBox invalidPlayerData;
invalidPlayerData.setText("Error! “pvz_players” has invalid player data!\nThe program will run with default settings.\nPlease create a new user.");
invalidPlayerData.setStandardButtons(QMessageBox::Ok);
invalidPlayerData.exec();
}
}
void Library::loadUsers()
{
ifstream infile(filenameUsers.c_str());
if (!infile.is_open())
{
cout << "O ficheiro " << filenameUsers << " nao existe. A criar...\n";
saveUsers();
infile.open(filenameUsers.c_str());
}
if (infile.fail())
{
cout << "Erro ao ler o ficheiro "<< filenameUsers << "!";
return;
}
bool done = false;
string tempStr;
istringstream Line;
do
{
char tempChar;
getline(infile,tempStr);
Line.clear();
Line.str(tempStr);
Line >> tempChar;
if (tempChar == '\\')
{
IdentNum userID, bookID;
string userName;
bool userActive;
bool noName = true;
getline(infile,tempStr);//userID
Line.clear();
Line.str(tempStr);
Line >> userID;
getline(infile,tempStr);//userName
Line.clear();
Line.str(tempStr);
while (Line >> tempStr)
{
if (noName)
{
userName = tempStr;
noName = false;
}
else userName = userName + " " + tempStr;
}
getline(infile,tempStr);//userActive
Line.clear();
Line.str(tempStr);
Line >> userActive;
getline(infile,tempStr);//booksRequested
Line.clear();
Line.str(tempStr);
User userTemp(userName);
Line >> bookID;
if (bookID != 0)
{
userTemp.borrowBook(bookID);
while (Line >> bookID)
userTemp.borrowBook(bookID);
}
userTemp.setID(userID);
userTemp.setActive(userActive);
users.push_back(userTemp);
}
Library::~Library()
{
saveBooks();
saveUsers();
}
LoginDialog::~LoginDialog()
{
// save users
saveUsers();
}
