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