public async Task <AuthenticationResultModel> AuthenticateAsync(UsersMaster user)
{
// authentication successful so generate jwt token
AuthenticationResultModel authenticationResult = new AuthenticationResultModel();
var tokenHandler = new JwtSecurityTokenHandler();
try
{
var key = Encoding.ASCII.GetBytes(_appSettings.JwtSettings.Secret);
ClaimsIdentity Subject = new ClaimsIdentity(new Claim[]
{
new Claim("UserId", user.UserId.ToString()),
new Claim("FirstName", user.FirstName),
new Claim("LastName", user.LastName),
new Claim("EmailId", user.Email == null?"":user.Email),
new Claim("UserName", user.UserName == null?"":user.UserName),
new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
});
foreach (var item in GetUserRole(user.UserId))
{
Subject.AddClaim(new Claim(ClaimTypes.Role, item.RoleName));
}
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = Subject,
Expires = DateTime.UtcNow.Add(_appSettings.JwtSettings.TokenLifetime),
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
};
var token = tokenHandler.CreateToken(tokenDescriptor);
authenticationResult.Token = tokenHandler.WriteToken(token);
var refreshToken = new RefreshToken
{
Token = Guid.NewGuid().ToString(),
JwtId = token.Id,
UserId = user.UserId,
CreationDate = DateTime.UtcNow,
ExpiryDate = DateTime.UtcNow.AddMonths(6)
};
await _context.RefreshTokens.AddAsync(refreshToken);
await _context.SaveChangesAsync();
authenticationResult.RefreshToken = refreshToken.Token;
authenticationResult.Success = true;
return(authenticationResult);
}
catch (Exception ex)
{
return(null);
}
}
public async Task <ResponseModel <TokenModel> > LoginAsync(LoginModel login)
{
ResponseModel <TokenModel> response = new ResponseModel <TokenModel>();
try
{
UsersMaster loginUser = _context.UsersMasters.FirstOrDefault(c => c.UserName == login.UserName && c.Password == login.Password);
if (loginUser == null)
{
response.IsSuccess = false;
response.Message = "Invalid Username And Password";
return(response);
}
AuthenticationResultModel authenticationResult = await AuthenticateAsync(loginUser);
if (authenticationResult != null && authenticationResult.Success)
{
response.Data = new TokenModel()
{
Token = authenticationResult.Token, RefreshToken = authenticationResult.RefreshToken
};
}
else
{
response.Message = "Something went wrong!";
response.IsSuccess = false;
}
return(response);
}
catch (Exception ex)
{
throw ex;
}
}
