public User LoginUser(string systemName)
{
User currentUser = new User();
currentUser = userConnector.GetUser(systemName);
return(currentUser);
}
/* The GetUserById MessageHandler
* It handles messages of GET_USER_BY_ID_REQUEST type.
*/
private static void GetUserById(RMessage message, TcpClient connection)
{
Console.WriteLine("GetUserById");
UserData user = UserConnector.GetUser((UInt32)message.Data);
RMessage replyMessage = new RMessage(MessageType.GET_USER_BY_ID_REPLY, user);
ServerCore.GetWorkerByConnection(connection).SendMessage(replyMessage);
}
/* The SignIn MessageHandler
* It handles messages of SIGN_IN_REQUEST type.
*/
private static void SignIn(RMessage message, TcpClient connection)
{
RMessage replyMessage;
UserData user1 = (UserData)message.Data;
UserData user2 = UserConnector.GetUser(user1.Username);
// Check if the password match
if (user2 != null && user2.Password != user1.Password)
{
user2 = null;
}
// If the credentials do not match, refuse the authentification
if (user2 == null)
{
ServerCore.GetWorkerByConnection(connection).SendMessage(
new RMessage(MessageType.SIGN_IN_REPLY, null));
return;
}
// If the user can authenticate, disconnect another user connected
// with the same username
if (user2 != null)
{
TcpClient previousConnection = ServerCore.GetConnectionById(user2.Id);
if (previousConnection != null)
{
ServerCore.RemoveIdConnectionMapping(user2.Id, previousConnection);
replyMessage =
new RMessage(
MessageType.SIGN_OUT_REPLY,
user2);
ServerCore.GetWorkerByConnection(previousConnection)
.SendMessage(replyMessage);
}
}
List <Object> payload = new List <Object>();
payload.Add(user2); // user data
payload.Add(DomainConnector.GetAllDomains()); // all domains
payload.Add(DomainConnector.GetUserValidations(user2.Id)); // domains for which the user has certificates
replyMessage =
new RMessage(
MessageType.SIGN_IN_REPLY,
payload);
ServerCore.GetWorkerByConnection(connection).SendMessage(replyMessage);
// If the user connected successfully, store the connection mapping
if (user2 != null)
{
ServerCore.AddIdConnectionMapping(user2.Id, connection);
}
}
/* The GetResourceOwner MessageHandler
* It handles messages of GET_RESOURCE_OWNER type.
*/
private static void GetResourceOwner(RMessage message, TcpClient connection)
{
Console.WriteLine("GetResourceOwner");
List <Object> resultContent = new List <Object>();
ResourceData res = (ResourceData)(((List <Object>)message.Data)[1]);
resultContent.Add(((List <Object>)message.Data)[0]);
resultContent.Add(((List <Object>)message.Data)[1]);
resultContent.Add(UserConnector.GetUser(res.Owner));
RMessage replyMessage = new RMessage(MessageType.GET_RESOURCE_OWNER_REPLY, resultContent);
ServerCore.GetWorkerByConnection(connection).SendMessage(replyMessage);
}
/* The UserTakenCheck MessageHandler
* It handles messages of USERNAME_TAKEN_REQUEST type.
*/
private static void UserTakenCheck(RMessage message, TcpClient connection)
{
Console.WriteLine("UserTakenCheck request");
UserData user = (UserData)message.Data;
Boolean taken = false;
if (user != null)
{
taken = (UserConnector.GetUser(user.Username) != null);
}
RMessage replyMessage =
new RMessage(
MessageType.USERNAME_TAKEN_REPLY,
taken);
ServerCore.GetWorkerByConnection(connection).SendMessage(replyMessage);
}
/* The GetFriendList MessageHandler
* It handles messages of ADD_FRIEND_REQ type.
*/
private static void AddFriend(RMessage message, TcpClient connection)
{
Console.WriteLine("AddFriend");
uint thisUserId = ServerCore.GetIdByConnection(connection);
UserData friend = UserConnector.GetUser((String)message.Data);
UserData thisUser = UserConnector.GetUser(thisUserId);
if (friend == null)
{
return;
}
if (friend.Id == thisUserId)
{
return;
}
List <FriendshipData> friendships = FriendshipConnector.GetFriendshipList(thisUserId);
foreach (FriendshipData friendshipIt in friendships)
{
if (friendshipIt.Former == friend.Id || friendshipIt.Latter == friend.Id)
{
return;
}
}
FriendshipData friendship = new FriendshipData(thisUserId, friend.Id, false);
FriendshipConnector.AddFriendship(friendship);
ClientWorker formerWorker = ServerCore.GetWorkerById(friendship.Former);
ClientWorker latterWorker = ServerCore.GetWorkerById(friendship.Latter);
RMessage replyMessageFormer = new RMessage(MessageType.ADD_FRIEND_REPLY, friend);
RMessage replyMessageLatter = new RMessage(MessageType.ADD_FRIEND_REPLY, thisUser);
RMessage replyMessage = new RMessage(MessageType.ADD_FRIENDSHIP_REPLY, friendship);
if (formerWorker != null)
{
formerWorker.SendMessage(replyMessageFormer);
formerWorker.SendMessage(replyMessage);
}
if (latterWorker != null)
{
latterWorker.SendMessage(replyMessageLatter);
latterWorker.SendMessage(replyMessage);
}
}
private static void GetAnswers(RMessage message, TcpClient connection)
{
Console.WriteLine("GetAnswers");
UInt32 questionId = (UInt32)message.Data;
List <AnswerData> answers = LogConnector.GetQuestionAnswers(questionId);
List <UserData> users = new List <UserData>();
for (int i = 0; i < answers.Count; i++)
{
users.Add(UserConnector.GetUser(answers[i].Owner));
}
List <Object> data = new List <Object>();
data.Add(answers);
data.Add(users);
RMessage replyMessage = new RMessage(MessageType.GET_QUESTION_ANSWERS_REPLY, data);
ServerCore.GetWorkerByConnection(connection).SendMessage(replyMessage);
}
/* The CreateNewUser MessageHandler
* It handles messages of CREATE_NEW_USER_REQUEST type.
*/
private static void CreateNewUser(RMessage message, TcpClient connection)
{
Console.WriteLine("CreateNewUser request");
List <object> items = (List <object>)message.Data;
UserData user = (UserData)items[0];
List <DomainData> domains = (List <DomainData>)items[1];
List <int> scores = (List <int>)items[2];
double initialRank = 0;
for (int i = 0; i < domains.Count; ++i)
{
initialRank += GetRank(scores[i]);
}
UserConnector.AddUser(user.Username, user.Password, user.Email, initialRank);
user = UserConnector.GetUser(user.Username);
foreach (DomainData item in domains)
{
ValidationConnector.AddValidation(user.Id, item.ID);
}
}