BlogEngine.Core.Providers.XmlMembershipProvider.CreateUser C# (CSharp) Method

        public override MembershipUser CreateUser(
            string username,
            string password,
            string email,
            string passwordQuestion,
            string passwordAnswer,
            bool approved,
            object providerUserKey,
            out MembershipCreateStatus status)
        {
            this.ReadMembershipDataStore();

            if (this.users[Blog.CurrentInstance.Id].ContainsKey(username))
            {
                throw new NotSupportedException("The username is already in use. Please choose another username.");
            }

            var doc = new XmlDocument();
            doc.Load(XmlFullyQualifiedPath);

            XmlNode xmlUserRoot = doc.CreateElement("User");
            XmlNode xmlUserName = doc.CreateElement("UserName");
            XmlNode xmlPassword = doc.CreateElement("Password");
            XmlNode xmlEmail = doc.CreateElement("Email");
            XmlNode xmlLastLoginTime = doc.CreateElement("LastLoginTime");

            xmlUserName.InnerText = username;

            string passwordPrep = this.passwordFormat == MembershipPasswordFormat.Hashed ? Utils.HashPassword(password) : password;

            xmlPassword.InnerText = passwordPrep;

            xmlEmail.InnerText = email;
            xmlLastLoginTime.InnerText = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);

            xmlUserRoot.AppendChild(xmlUserName);
            xmlUserRoot.AppendChild(xmlPassword);
            xmlUserRoot.AppendChild(xmlEmail);
            xmlUserRoot.AppendChild(xmlLastLoginTime);

            doc.SelectSingleNode("Users").AppendChild(xmlUserRoot);
            doc.Save(XmlFullyQualifiedPath);

            status = MembershipCreateStatus.Success;
            var user = new MembershipUser(
                this.Name,
                username,
                username,
                email,
                passwordQuestion,
                passwordPrep,
                approved,
                false,
                DateTime.Now,
                DateTime.Now,
                DateTime.Now,
                DateTime.Now,
                DateTime.MaxValue);
            this.users[Blog.CurrentInstance.Id].Add(username, user);
            return user;
        }