public string Authenticate([FromBody] LoginModel model)
{
var username = model.UserName;
var password = model.Password;
var salt = _context.User.SingleOrDefault(x => x.UserName == username)?.PasswordSalt;
var hashedPassword = PasswordHashGenerator.ComputeHash(password, new SHA256CryptoServiceProvider(), PasswordHashGenerator.StringToByteArray(salt));
var user = _context.User.SingleOrDefault(x => x.UserName == username && x.PasswordHash == hashedPassword);
// return null if user not found
if (user == null)
{
return(null);
}
// authentication successful so generate jwt token
var tokenHandler = new JwtSecurityTokenHandler();
var key = Encoding.ASCII.GetBytes(this._appSettings.Secret);
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = new ClaimsIdentity(new Claim[]
{
new Claim(ClaimTypes.Name, user.UserId.ToString())
}),
Expires = DateTime.UtcNow.AddDays(7),
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
};
var token = tokenHandler.CreateToken(tokenDescriptor);
var stringToken = tokenHandler.WriteToken(token);
return(stringToken);
}
public static void Seed(IServiceProvider serviceProvider)
{
using (var context =
new CityVisitTrackerAPIContext(serviceProvider
.GetRequiredService <DbContextOptions <CityVisitTrackerAPIContext> >()))
{
// If there is a state that assuming that we have already seeded some data and we will skip this on startup
// Seed State, Cities, Users and UserVisits
if (context.State.Any())
{
return;
}
var alabama = new State
{
Abbreviation = "AL",
DateAdded = DateTime.Today,
LastUpdated = DateTime.Today,
Name = "Alabama",
Cities = new List <City>()
};
var alaska = new State
{
Abbreviation = "AK",
DateAdded = DateTime.Today,
LastUpdated = DateTime.Today,
Name = "Alaska",
Cities = new List <City>()
};
var arizona = new State
{
Abbreviation = "AZ",
DateAdded = DateTime.Today,
LastUpdated = DateTime.Today,
Name = "Arizona",
Cities = new List <City>()
};
var seedStates = new[] { alabama, alaska, arizona };
context.State.AddRange(seedStates);
context.SaveChanges();
var alabamaStateId = context.State.FirstOrDefaultAsync(x => x.Name == "Alabama").Id;
var alaskaStateId = context.State.FirstOrDefaultAsync(x => x.Name == "Alaska").Id;
var arizonaStateId = context.State.FirstOrDefaultAsync(x => x.Name == "Arizona").Id;
var seedCities = new[] {
AddCity("Akron", alabamaStateId, 32.87802m, -87.743989m),
AddCity("Huntsville", alabamaStateId, 34.729135m, -86.584979m),
AddCity("Addison", alabamaStateId, 32.87802m, -87.181384m),
AddCity("Montgomery", alabamaStateId, 34.202175m, -86.300629m),
AddCity("Birmingham", alabamaStateId, 32.38012m, -86.811504m),
AddCity("Adak", alaskaStateId, 51.88001m, -176.657569m),
AddCity("Akhiok", alaskaStateId, 56.945599m, -154.169998m),
AddCity("Akiak", alaskaStateId, 60.909659m, -161.223451m),
AddCity("Kasigluk", alaskaStateId, 60.895273m, -162.517124m),
AddCity("Akutan", alaskaStateId, 54.134725m, -165.770554m),
AddCity("Mesa", arizonaStateId, 33.417045m, -111.831459m),
AddCity("Phoenix", arizonaStateId, 33.44826m, -112.075774m),
AddCity("Avondale", arizonaStateId, 33.4405m, -112.349664m),
AddCity("Mohave Valley", arizonaStateId, 34.92384m, -114.597859m),
AddCity("Whiteriver", arizonaStateId, 33.834865m, -109.964934m),
};
context.City.AddRange(seedCities);
context.SaveChanges();
var salt = PasswordHashGenerator.GetSalt();
var hashedPassword = PasswordHashGenerator.ComputeHash("TestPassword", new SHA256CryptoServiceProvider(), salt);
var user = new User
{
FirstName = "Sachin",
LastName = "Patel",
DateAdded = DateTime.Today,
LastUpdated = DateTime.Today,
UserName = "******",
PasswordSalt = PasswordHashGenerator.GetSaltString(salt),
PasswordHash = hashedPassword
};
context.User.Add(user);
context.SaveChanges();
}
}