public async Task <ActionResult <UserResponse> > Refresh(UserRefreshRequest request)
{
var refreshResponse = await _userService.RefreshTokenAsync(request);
if (!refreshResponse.Success)
{
return(BadRequest(refreshResponse.Errors));
}
return(refreshResponse.Object);
}
public async Task <ObjectResult <UserResponse> > RefreshTokenAsync(UserRefreshRequest request)
{
var validatedToken = GetPrincipalFromToken(request.JwtToken);
if (validatedToken == null)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "Invalid token" }
});
}
var expiryDateUnix = long.Parse(validatedToken.Claims.Single(x => x.Type == JwtRegisteredClaimNames.Exp).Value);
var expiryDateUtc = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(expiryDateUnix);
if (expiryDateUtc > DateTime.UtcNow)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "This token hasn't expired yet" }
});
}
var jti = validatedToken.Claims.Single(x => x.Type == JwtRegisteredClaimNames.Jti).Value;
var storedRefreshToken = await _refreshTokenRepository.GetRefreshToken(request.RefreshToken);
if (storedRefreshToken == null)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "This refresh token doesn't exist" }
});
}
if (DateTime.UtcNow > storedRefreshToken.ExpiryDate)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "Token Expired" }
});
}
if (storedRefreshToken.Invalidated)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "This refresh token has been invalidated" }
});
}
if (storedRefreshToken.Used)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "This refresh token has been used" }
});
}
if (storedRefreshToken.JwtId != jti)
{
return(new ObjectResult <UserResponse> {
Errors = new[] { "This refresh token does not match this JWT" }
});
}
storedRefreshToken.Used = true;
_refreshTokenRepository.UpdateRefreshToken(storedRefreshToken);
await _userRepository.SaveChangesAsync();
var user = await _userRepository.GetUserById(Int32.Parse(validatedToken.Claims.Single(x => x.Type == ClaimTypes.Name).Value));
user = await RequestToken(user);
return(new ObjectResult <UserResponse>
{
Success = true,
Object = _mapper.Map <UserResponse>(user)
});
}