public static bool IsUsernameValid(string username)
{
EntityContext context = new EntityContext();
var profile = context.Profiles
.Where(p =>
p.Username.ToLower() == username.ToLower()
).SingleOrDefault();
return profile == null;
}
public static Profile CreateProfile(string username, string password)
{
EntityContext context = new EntityContext();
string salt = CreatePasswordSalt();
string passwordHash = CreatePasswordHash(password, salt);
Profile profile = new Profile()
{
Username = username,
Password = passwordHash,
PasswordSalt = salt
};
context.Profiles.Add(profile);
context.SaveChanges();
return profile;
}
public static Profile GetProfile(string username, string password, bool isHashed = false)
{
EntityContext context = new EntityContext();
Profile profile = context.Profiles
.Where(p => p.Username == username)
.SingleOrDefault();
if (profile != null)
{
string passwordHash = isHashed
? password
: CreatePasswordHash(password, profile.PasswordSalt);
if (profile.Password != passwordHash)
{
profile = null;
}
}
return profile;
}