public static User RetrieveUserByUsername(string username)
{
try
{
var existingUser = new User();
using (var context = new PrinterMonitorDBEntities())
{
existingUser = context.Users
.Where(t => t.Username.Equals(username))
.FirstOrDefault();
}
return existingUser;
}
catch (Exception ex)
{
throw ex;
}
}
public static bool ChangePassword(string username, string newHashedPassword)
{
try
{
User existingUser = new User();
using (var context = new PrinterMonitorDBEntities())
{
existingUser = context.Users
.Where(t => t.Username == username)
.FirstOrDefault();
}
if (existingUser != null)
{
existingUser.HashedPassword = newHashedPassword;
existingUser.FirstTime = false;
using (var context = new PrinterMonitorDBEntities())
{
context.Entry(existingUser).State = EntityState.Modified;
context.SaveChanges();
}
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
public static bool UserExists(string username, string password)
{
try
{
var user = new User();
user = UserDL.AuthenticateUser(username, PasswordHash.MD5Hash(password));
if (user == null)
return false;
else
return true;
}
catch (Exception ex)
{
throw ex;
}
}
public static bool Update(User user)
{
try
{
return UserDL.Update(user);
}
catch (Exception ex)
{
throw ex;
}
}
public static bool Save(User user, out string message)
{
try
{
if (UserDL.UserExists(user))
{
message = string.Format("User with username: {0} exists already", user.Username);
return false;
}
else
{
message = string.Empty;
if (UserDL.Save(user))
{
return true;
}
else
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SendForgotPasswordMail(User user)
{
try
{
string key = System.Configuration.ConfigurationManager.AppSettings.Get("ekey");
string encrypted_username = Crypter.Encrypt(key, user.Username);
string userFullName = user.Lastname + " " + user.Othernames;
string organization = System.Configuration.ConfigurationManager.AppSettings.Get("Organization");
string applicationName = System.Configuration.ConfigurationManager.AppSettings.Get("ApplicationName");
string websiteUrl = System.Configuration.ConfigurationManager.AppSettings.Get("WebsiteUrl");
string passwordResetUrl = websiteUrl + "User/ResetPassword?rq=" + encrypted_username; ;
string subject = "Password Reset Request on " + applicationName;
string fromAddress = "";
string smtpUsername = "";
string smtpPassword = "";
string smtpHost = "";
Int32 smtpPort = 587;
bool smtpUseDefaultCredentials = false;
bool smtpEnableSsl = true;
MailHelper mailConfig = ConfigurationManager.GetSection("mailHelperSection") as MailHelper;
if (mailConfig != null && mailConfig.Mail != null)
{
fromAddress = mailConfig.Mail.FromEmailAddress;
smtpUsername = mailConfig.Mail.Username;
smtpPassword = mailConfig.Mail.Password;
}
if (mailConfig != null && mailConfig.Smtp != null)
{
smtpHost = mailConfig.Smtp.Host;
smtpPort = Convert.ToInt32(mailConfig.Smtp.Port);
smtpUseDefaultCredentials = Convert.ToBoolean(mailConfig.Smtp.UseDefaultCredentials);
smtpEnableSsl = Convert.ToBoolean(mailConfig.Smtp.EnableSsl);
}
string body = "";
body = System.IO.File.ReadAllText(System.Web.Hosting.HostingEnvironment.MapPath(@"~/App_Data/MailTemplates/ForgotPassword.txt"));
body = body.Replace("#Organization", organization);
body = body.Replace("#ApplicationName", applicationName);
body = body.Replace("#UserFullName", userFullName);
body = body.Replace("#WebsiteUrl", websiteUrl);
body = body.Replace("#PasswordResetUrl", passwordResetUrl);
Thread email = new Thread(delegate()
{
Mail.SendMail(user.Email, fromAddress, subject, body, smtpHost, smtpPort, smtpUseDefaultCredentials, smtpUsername, smtpPassword, smtpEnableSsl);
});
email.IsBackground = true;
email.Start();
}
catch (Exception ex)
{
ErrorHandler.WriteError(ex);
throw ex;
}
}
public static void SendNewUserMail(User user)
{
try
{
Role role = RolePL.RetrieveRoleByID(user.UserRole);
string userFullName = user.Lastname + " " + user.Othernames;
string userUsername = user.Username;
string userPassword = user.HashedPassword;
string userRole = role.Name;
string organization = System.Configuration.ConfigurationManager.AppSettings.Get("Organization");
string applicationName = System.Configuration.ConfigurationManager.AppSettings.Get("ApplicationName");
string websiteUrl = System.Configuration.ConfigurationManager.AppSettings.Get("WebsiteUrl");
string subject = "Welcome to " + applicationName;
string userFunction = "";
foreach(RoleFunction roleFunction in role.RoleFunctions)
{
userFunction += roleFunction.Function.Name + "<br/>";
}
string fromAddress = "";
string smtpUsername = "";
string smtpPassword = "";
string smtpHost = "";
Int32 smtpPort = 587;
bool smtpUseDefaultCredentials = false;
bool smtpEnableSsl = true;
MailHelper mailConfig = ConfigurationManager.GetSection("mailHelperSection") as MailHelper;
if (mailConfig != null && mailConfig.Mail != null)
{
fromAddress = mailConfig.Mail.FromEmailAddress;
smtpUsername = mailConfig.Mail.Username;
smtpPassword = mailConfig.Mail.Password;
}
if (mailConfig != null && mailConfig.Smtp != null)
{
smtpHost = mailConfig.Smtp.Host;
smtpPort = Convert.ToInt32(mailConfig.Smtp.Port);
smtpUseDefaultCredentials = Convert.ToBoolean(mailConfig.Smtp.UseDefaultCredentials);
smtpEnableSsl = Convert.ToBoolean(mailConfig.Smtp.EnableSsl);
}
string body = "";
body = System.IO.File.ReadAllText(System.Web.Hosting.HostingEnvironment.MapPath(@"~/App_Data/MailTemplates/NewUser.txt"));
body = body.Replace("#Organization", organization);
body = body.Replace("#ApplicationName", applicationName);
body = body.Replace("#UserFullName", userFullName);
body = body.Replace("#Username", userUsername);
body = body.Replace("#Password", userPassword);
body = body.Replace("#Role", userRole);
body = body.Replace("#UserFunctions", userFunction);
body = body.Replace("#WebsiteUrl", websiteUrl);
Thread email = new Thread(delegate()
{
Mail.SendMail(user.Email, fromAddress, subject, body, smtpHost, smtpPort, smtpUseDefaultCredentials, smtpUsername, smtpPassword, smtpEnableSsl);
});
email.IsBackground = true;
email.Start();
}
catch (Exception ex)
{
ErrorHandler.WriteError(ex);
throw ex;
}
}
public static bool UpdateSmartCardID(long smartCardID, long userID, bool status)
{
try
{
var sc = new SmartCard();
var user = new User();
using (var context = new PrinterMonitorDBEntities())
{
sc = context.SmartCards
.Where(t => t.ID == smartCardID)
.FirstOrDefault();
user = context.Users
.Include(u => u.SmartCard)
.Where(t => t.ID == userID)
.FirstOrDefault();
}
if (sc != null && user != null)
{
sc.Allocated = status;
if (status)
{
if (user.SmartCard != null)
throw new Exception(string.Format("User {0} has a smart card allocated to it already", user.Username));
user.SmartCardID = smartCardID;
}
else
{
user.SmartCard = null;
sc.Users = null;
user.SmartCardID = null;
}
using (var context = new PrinterMonitorDBEntities())
{
//Transaction block
using (var transaction = context.Database.BeginTransaction())
{
try
{
context.Entry(user).State = EntityState.Modified;
context.SaveChanges();
context.Entry(sc).State = EntityState.Modified;
context.SaveChanges();
transaction.Commit();
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
}
}
return true;
}
catch (Exception ex)
{
throw ex;
}
}
public static bool UserExists(User user)
{
try
{
var existingUser = new User();
using (var context = new PrinterMonitorDBEntities())
{
existingUser = context.Users
.Where(t => t.Username.Equals(user.Username))
.FirstOrDefault();
}
if (existingUser == null)
return false;
else
return true;
}
catch (Exception ex)
{
throw ex;
}
}
public static bool Update(User user)
{
try
{
User existingUser = new User();
using (var context = new PrinterMonitorDBEntities())
{
existingUser = context.Users
.Where(t => t.ID == user.ID)
.FirstOrDefault();
}
if (existingUser != null)
{
existingUser.Email = user.Email;
existingUser.Gender = user.Gender;
existingUser.PhoneNumber = user.PhoneNumber;
existingUser.Lastname = user.Lastname;
existingUser.Othernames = user.Othernames;
existingUser.UserRole = user.UserRole;
existingUser.UserBranch = user.UserBranch;
using (var context = new PrinterMonitorDBEntities())
{
context.Entry(existingUser).State = EntityState.Modified;
context.SaveChanges();
}
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
public static bool Save(User user)
{
try
{
using (var context = new PrinterMonitorDBEntities())
{
context.Users.Add(user);
context.SaveChanges();
}
return true;
}
catch (Exception ex)
{
throw ex;
}
}