public bool Logout(Stream userData)
{
// First validate the user priviledges
var reader = new StreamReader(userData);
string content = reader.ReadToEnd();
LCPostModel postDataModel = JsonConvert.DeserializeObject <LCPostModel>(content);
if (validateUser(postDataModel) == false)
{
return(false);
}
IEnumerable <Session> sessions;
using (var authDbEntities = new LCAuthDBEntities())
{
// Find the user from the AuthDB
string userEmail = postDataModel.Email;
sessions = authDbEntities.Sessions.Where(s => s.Email == userEmail);
foreach (var s in sessions)
{
authDbEntities.Sessions.Remove(s);
}
authDbEntities.SaveChanges();
return(true);
}
}
private bool validateUser(LCPostModel postDataModel)
{
using (var authDbEntities = new LCAuthDBEntities())
{
Session entry = authDbEntities.Sessions.FirstOrDefault(e => e.Email == postDataModel.Email &&
e.AccessToken == postDataModel.AccessToken);
if (entry == null)
{
return(false);
}
}
return(true);
}
public string Login(Stream loginData)
{
// convert Stream Data to StreamReader
var reader = new StreamReader(loginData);
string content = reader.ReadToEnd();
LCPostModel postDataModel = JsonConvert.DeserializeObject <LCPostModel>(content);
UserModel userModel = JsonConvert.DeserializeObject <UserModel>(postDataModel.ContentData);
using (var authDbEntities = new LCAuthDBEntities())
{
// Find the user from the AuthDB
string name = userModel.email;
User user = authDbEntities.Users.FirstOrDefault(u => u.Email == name);
if (user == null)
{
return(null);
}
if (user.Password != userModel.password)
{
return(null);
}
else
{
Session session = authDbEntities.Sessions.FirstOrDefault(u => u.Email == name);
if (session != null)
{
return(null);
}
string token = generateToken();
string ip = getIP();
// Add the user to the user pool
Session entry = new Session()
{
Email = name,
SessionID = 0,
StartTime = DateTime.Now,
IP = ip,
AccessToken = token,
Duration = 60
};
authDbEntities.Sessions.Add(entry);
authDbEntities.SaveChanges();
return(token);
}
}
}
public string Join(Stream data)
{
// convert Stream Data to StreamReader
var reader = new StreamReader(data);
string content = reader.ReadToEnd();
LCPostModel postModel = JsonConvert.DeserializeObject <LCPostModel>(content);
UserModel userModel = JsonConvert.DeserializeObject <UserModel>(postModel.ContentData);
// Check if the user email already exists
User user = null;
using (var authDbEntities = new LCAuthDBEntities())
{
user = authDbEntities.Users.FirstOrDefault(u => u.Email == userModel.email);
if (user != null)
{
return("The email address has been used.");
}
// Create new user
User newUser = new User()
{
Email = userModel.email,
Password = userModel.password
};
authDbEntities.Users.Add(newUser);
authDbEntities.SaveChanges();
}
using (dbEntities)
{
LCUser newLCUser = new LCUser()
{
Email = userModel.email,
UserName = userModel.username,
Enabled = true
};
dbEntities.LCUsers.Add(newLCUser);
dbEntities.SaveChanges();
}
return("Registration Successful!");
}
