Пример #1
0
        private void RegisterResult(Result commandResult)
        {
            LoginOkResult login = commandResult as LoginOkResult;

            if (login != null)
            {
                AddJoinedUser(login.AuthorizedUsername);
            }
            RegisterOkResult register = commandResult as RegisterOkResult;

            if (register != null)
            {
                AddJoinedUser(register.FinalUsername);
            }
        }
Пример #2
0
        public Result RegisterUser(User newUser)
        {
            // Enter the critical section in upgradeable mode.
            userDatabaseLock.EnterUpgradeableReadLock();
            try
            {
                userDatabase = XDocument.Load(userDatabasePath);

                // Determine if the provided username has been already taken
                var sameUserName = (from u in userDatabase.Descendants("User")
                                    where u.Attribute("principal").Value.Equals(newUser.UserName)
                                    select u);

                // The username is already present. The user must choose another one.
                if (sameUserName.Count() != 0)
                {
                    Result error = new RegisterErrorResult();
                    error.Comment = "Sorry, this UserName is already present.";
                    return error;
                }
                else //Register the user
                {
                    // Build the final username.
                    string darPoolingUsername = newUser.UserName + "@" + baseHTTPAddress + NodeName;
                    // Extract the next ID from the database
                    int nextAvailableID = Convert.ToInt32(
                                     (from user in userDatabase.Descendants("User")
                                      orderby Convert.ToInt32(user.Element("UserID").Value) descending
                                      select user.Element("UserID").Value).FirstOrDefault()) + 1;

                    newUser.UserID = nextAvailableID;

                    // Create the XML entity that represent the User in the database.
                    XElement newXmlUser = new XElement("User",
                        new XElement("UserID", newUser.UserID),
                        new XElement("UserName", darPoolingUsername),
                        new XElement("Password", newUser.PasswordHash), // FIXME: should store hash, not password
                        new XElement("Name", newUser.Name),
                        new XElement("Sex", newUser.UserSex),
                        new XElement("BirthDate", newUser.BirthDate),
                        new XElement("Email", newUser.Email),
                        new XElement("Smoker", newUser.Smoker),
                        new XElement("SignupDate", newUser.SignupDate),
                        new XElement("Whereabouts", newUser.Whereabouts)
                    );

                    // Maintain the info about the provided username
                    newXmlUser.SetAttributeValue("principal", newUser.UserName);

                    //Register the user: upgrade to Write mode
                    userDatabaseLock.EnterWriteLock();
                    //Console.WriteLine("{0} thread obtains the write lock", Thread.CurrentThread.Name);
                    try
                    {
                        userDatabase.Element("Users").Add(newXmlUser);
                        userDatabase.Save(userDatabasePath);
                    }
                    finally
                    {
                        //Console.WriteLine("{0} thread releases the write lock", Thread.CurrentThread.Name);
                        userDatabaseLock.ExitWriteLock();
                    }

                    RegisterOkResult success = new RegisterOkResult();
                    success.Comment = "User successfully registered! Your username is : " + darPoolingUsername;
                    success.FinalUsername = darPoolingUsername;
                    return success;

                } // End else

            } // End try upgradable
            finally
            {
                //Console.WriteLine("{0} thread releases the upgradeable lock", Thread.CurrentThread.Name);
                userDatabaseLock.ExitUpgradeableReadLock();
            }
        }
Пример #3
0
        public Result RegisterUser(User newUser)
        {
            // Enter the critical section in upgradeable mode.
            userDatabaseLock.EnterUpgradeableReadLock();
            try
            {
                userDatabase = XDocument.Load(userDatabasePath);

                // Determine if the provided username has been already taken
                var sameUserName = (from u in userDatabase.Descendants("User")
                                    where u.Attribute("principal").Value.Equals(newUser.UserName)
                                    select u);

                // The username is already present. The user must choose another one.
                if (sameUserName.Count() != 0)
                {
                    Result error = new RegisterErrorResult();
                    error.Comment = "Sorry, this UserName is already present.";
                    return(error);
                }
                else //Register the user
                {
                    // Build the final username.
                    string darPoolingUsername = newUser.UserName + "@" + baseHTTPAddress + NodeName;
                    // Extract the next ID from the database
                    int nextAvailableID = Convert.ToInt32(
                        (from user in userDatabase.Descendants("User")
                         orderby Convert.ToInt32(user.Element("UserID").Value) descending
                         select user.Element("UserID").Value).FirstOrDefault()) + 1;

                    newUser.UserID = nextAvailableID;

                    // Create the XML entity that represent the User in the database.
                    XElement newXmlUser = new XElement("User",
                                                       new XElement("UserID", newUser.UserID),
                                                       new XElement("UserName", darPoolingUsername),
                                                       new XElement("Password", newUser.PasswordHash), // FIXME: should store hash, not password
                                                       new XElement("Name", newUser.Name),
                                                       new XElement("Sex", newUser.UserSex),
                                                       new XElement("BirthDate", newUser.BirthDate),
                                                       new XElement("Email", newUser.Email),
                                                       new XElement("Smoker", newUser.Smoker),
                                                       new XElement("SignupDate", newUser.SignupDate),
                                                       new XElement("Whereabouts", newUser.Whereabouts)
                                                       );

                    // Maintain the info about the provided username
                    newXmlUser.SetAttributeValue("principal", newUser.UserName);

                    //Register the user: upgrade to Write mode
                    userDatabaseLock.EnterWriteLock();
                    //Console.WriteLine("{0} thread obtains the write lock", Thread.CurrentThread.Name);
                    try
                    {
                        userDatabase.Element("Users").Add(newXmlUser);
                        userDatabase.Save(userDatabasePath);
                    }
                    finally
                    {
                        //Console.WriteLine("{0} thread releases the write lock", Thread.CurrentThread.Name);
                        userDatabaseLock.ExitWriteLock();
                    }

                    RegisterOkResult success = new RegisterOkResult();
                    success.Comment       = "User successfully registered! Your username is : " + darPoolingUsername;
                    success.FinalUsername = darPoolingUsername;
                    return(success);
                } // End else
            }     // End try upgradable
            finally
            {
                //Console.WriteLine("{0} thread releases the upgradeable lock", Thread.CurrentThread.Name);
                userDatabaseLock.ExitUpgradeableReadLock();
            }
        }// End RegisterUser