private bool action_register()
{
UserId = "";
string temp;
while (UserId == "")
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.UseridPrompt);
temp = _chatserver.Read(_client.GetStream());
if (!ChatUser.ValidUserId(temp))
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.UseridStartWithWordcharMsg);
continue;
}
if (IsRegisteredUser(temp))
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.UserAlreadyRegisteredMsg);
}
else
{
UserId = temp;
}
}
Password = "";
while (Password == "")
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.PasswordPrompt);
temp = _chatserver.Read(_client.GetStream());
if (!ChatUser.ValidPassword(temp))
{
_chatserver.Write(_client.GetStream(),
AuthenticationProtocolValues.PasswordAtLeast4CharMsg);
}
else
{
Password = temp;
}
}
_chatserver.AddChatUser(UserId, new ChatUser(UserId, Password));
_chatserver.SerializeChatUsers("users.bin");
return(true);
}
//REGISTER
private bool action_register()
{
//init user id to blank
UserID = "";
string temp = "";
//Loop until user id not blank
while (UserID == "")
{
//prompt for user id
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.USERID_PROMPT);
temp = chatserver.Read(client.GetStream());
//check validity of user id
if (!ChatUser.ValidUserID(temp))
{
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.USERID_START_WITH_WORDCHAR_MSG);
continue;
}
//if the user id is already used
if (IsRegisteredUser(temp))
{
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.USER_ALREADY_REGISTERED_MSG);
continue;
}
else
{
UserID = temp; //valid and not used id
}
}
//init password to blank
Password = "";
//Loop until password is not blank
while (Password == "")
{
//prompt for password
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.PASSWORD_PROMPT);
temp = chatserver.Read(client.GetStream());
//check validity of password
if (!ChatUser.ValidPassword(temp))
{
chatserver.Write(client.GetStream(),
AuthenticationProtocolValues.PASSWORD_AT_LEAST_4_CHAR_MSG);
continue;
}
else
{
Password = temp; //Valid password is assigned
}
}
//Add newly registered chat user
chatserver.AddChatUser(UserID, new ChatUser(UserID, Password));
//Serialized the chat users to file to reflect new user
chatserver.SerializeChatUsers("users.bin");
return(true);
}