39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
|
using System;
|
||
|
|
using System.IdentityModel.Tokens.Jwt;
|
||
|
|
using System.Security.Claims;
|
||
|
|
using Microsoft.IdentityModel.Tokens;
|
||
|
|
|
||
|
|
namespace BlueWest.WebApi.Context.Users;
|
||
|
|
|
||
|
|
public class JwtTokenHandler : IJwtTokenHandler
|
||
|
|
{
|
||
|
|
private readonly JwtSecurityTokenHandler _jwtSecurityTokenHandler;
|
||
|
|
|
||
|
|
public JwtTokenHandler()
|
||
|
|
{
|
||
|
|
if (_jwtSecurityTokenHandler == null)
|
||
|
|
_jwtSecurityTokenHandler = new JwtSecurityTokenHandler();
|
||
|
|
}
|
||
|
|
|
||
|
|
public string WriteToken(JwtSecurityToken jwt)
|
||
|
|
{
|
||
|
|
return _jwtSecurityTokenHandler.WriteToken(jwt);
|
||
|
|
}
|
||
|
|
|
||
|
|
public ClaimsPrincipal ValidateToken(string token, TokenValidationParameters tokenValidationParameters)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
var principal = _jwtSecurityTokenHandler.ValidateToken(token, tokenValidationParameters, out var securityToken);
|
||
|
|
|
||
|
|
if (!(securityToken is JwtSecurityToken jwtSecurityToken) || !jwtSecurityToken.Header.Alg.Equals(SecurityAlgorithms.HmacSha256, StringComparison.InvariantCultureIgnoreCase))
|
||
|
|
throw new SecurityTokenException("Invalid token");
|
||
|
|
|
||
|
|
return principal;
|
||
|
|
}
|
||
|
|
catch (Exception e)
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|