public async Task <IdentificationResponse> Handle(IdentificationCommand request, CancellationToken cancellationToken)
{
ArmUser user = null;
UserDevice device = null;
if (!string.IsNullOrEmpty(request.Login) && !string.IsNullOrEmpty(request.Password))
{
user = await _userRepository.GetUserByCredentials(request.Login, request.Password);
if (user != null)
{
await UpdateUserDevice(user, request.Device);
}
}
else if (!string.IsNullOrEmpty(request.Token))
{
device = await _deviceRepository.GetDeviceByToken(request.Token);
if (device != null && device.Name == request.Device)
{
user = device.ArmUser;
}
}
var response = new IdentificationResponse
{
Login = user.Login,
Name = user.Name,
RefreshToken = device.Token,
RefreshTokenExpireDate = (DateTime)device.TokenExpireDate
};
return(response);
}
private async Task <UserDevice> UpdateUserDevice(ArmUser user, string deviceName)
{
var userDevice = user.Devices.SingleOrDefault(x => x.Name == deviceName);
if (userDevice == null)
{
userDevice = UserDevice.Create(Guid.NewGuid(), deviceName, DateTime.Now, user.Id, GenerateRefreshToken(), DateTime.Now, DateTime.Now.AddMinutes(_options.RefreshTokenLifetimeMinutes));
await _deviceRepository.AddAsync(userDevice);
}
else
{
userDevice.Token = GenerateRefreshToken();
userDevice.TokenCreateDate = DateTime.Now;
userDevice.TokenExpireDate = DateTime.Now.AddMinutes(_options.RefreshTokenLifetimeMinutes);
await _deviceRepository.UpdateAsync(userDevice);
}
return(userDevice);
}
public JwtTokenResult GenerateToken(ArmUser user)
{
var expiration = TimeSpan.FromMinutes(_tokenOptions.TokenExpiryInMinutes);
var claimsIdentity = user.BuildClaims();
var jwt = new JwtSecurityToken(
_tokenOptions.Issuer,
_tokenOptions.Audience,
claimsIdentity.Claims,
DateTime.UtcNow,
DateTime.UtcNow.Add(expiration),
new SigningCredentials(_tokenOptions.SigningKey, SecurityAlgorithms.HmacSha256));
var accessToken = new JwtSecurityTokenHandler().WriteToken(jwt);
return(new JwtTokenResult
{
Token = accessToken,
Expires = expiration
});
}
