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using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Microsoft.IdentityModel.Tokens;
using System;
using System.Globalization;
using System.Threading.Tasks;
using Timeline.Helpers;
using Timeline.Models.Http;
using Timeline.Services;
using static Timeline.Resources.Controllers.TokenController;
namespace Timeline.Controllers
{
[Route("token")]
[ApiController]
public class TokenController : Controller
{
private readonly IUserService _userService;
private readonly ILogger<TokenController> _logger;
private readonly IClock _clock;
public TokenController(IUserService userService, ILogger<TokenController> logger, IClock clock)
{
_userService = userService;
_logger = logger;
_clock = clock;
}
[HttpPost("create")]
[AllowAnonymous]
public async Task<ActionResult<CreateTokenResponse>> Create([FromBody] CreateTokenRequest request)
{
void LogFailure(string reason, Exception? e = null)
{
_logger.LogInformation(e, Log.Format(LogCreateFailure,
("Reason", reason),
("Username", request.Username),
("Password", request.Password),
("Expire (in days)", request.Expire)
));
}
try
{
DateTime? expireTime = null;
if (request.Expire != null)
expireTime = _clock.GetCurrentTime().AddDays(request.Expire.Value);
var result = await _userService.CreateToken(request.Username, request.Password, expireTime);
_logger.LogInformation(Log.Format(LogCreateSuccess,
("Username", request.Username),
("Expire At", expireTime?.ToString(CultureInfo.CurrentCulture.DateTimeFormat) ?? "default")
));
return Ok(new CreateTokenResponse
{
Token = result.Token,
User = result.User
});
}
catch (UserNotExistException e)
{
LogFailure(LogUserNotExist, e);
return BadRequest(ErrorResponse.TokenController.Create_BadCredential());
}
catch (BadPasswordException e)
{
LogFailure(LogBadPassword, e);
return BadRequest(ErrorResponse.TokenController.Create_BadCredential());
}
}
[HttpPost("verify")]
[AllowAnonymous]
public async Task<ActionResult<VerifyTokenResponse>> Verify([FromBody] VerifyTokenRequest request)
{
void LogFailure(string reason, Exception? e = null, params (string, object?)[] otherProperties)
{
var properties = new (string, object?)[2 + otherProperties.Length];
properties[0] = ("Reason", reason);
properties[1] = ("Token", request.Token);
otherProperties.CopyTo(properties, 2);
_logger.LogInformation(e, Log.Format(LogVerifyFailure, properties));
}
try
{
var result = await _userService.VerifyToken(request.Token);
_logger.LogInformation(Log.Format(LogVerifySuccess,
("Username", result.Username), ("Token", request.Token)));
return Ok(new VerifyTokenResponse
{
User = result
});
}
catch (JwtUserTokenBadFormatException e)
{
if (e.ErrorCode == JwtUserTokenBadFormatException.ErrorCodes.Expired)
{
var innerException = e.InnerException as SecurityTokenExpiredException;
LogFailure(LogVerifyExpire, e, ("Expires", innerException?.Expires),
("Current Time", _clock.GetCurrentTime()));
return BadRequest(ErrorResponse.TokenController.Verify_TimeExpired());
}
else if (e.ErrorCode == JwtUserTokenBadFormatException.ErrorCodes.OldVersion)
{
var innerException = e.InnerException as JwtBadVersionException;
LogFailure(LogVerifyOldVersion, e,
("Token Version", innerException?.TokenVersion),
("Required Version", innerException?.RequiredVersion));
return BadRequest(ErrorResponse.TokenController.Verify_OldVersion());
}
else
{
LogFailure(LogVerifyBadFormat, e);
return BadRequest(ErrorResponse.TokenController.Verify_BadFormat());
}
}
catch (UserNotExistException e)
{
LogFailure(LogVerifyUserNotExist, e);
return BadRequest(ErrorResponse.TokenController.Verify_UserNotExist());
}
}
}
}
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