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using Microsoft.IdentityModel.Tokens;
using System.IdentityModel.Tokens.Jwt;
using Microsoft.AspNetCore.Identity;
using System.Text;
using System.Security.Claims;
using System.Security.Cryptography;
using BackendPIA.Models;
namespace BackendPIA.Services {
public class TokenGenerator : ITokenGenerator {
private readonly string _key;
public TokenGenerator(string key) {
_key = key;
}
public string Generate(UserAccount user, string role) {
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_key));
var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var expiration = DateTime.UtcNow.AddMinutes(30);
//var issuer = _configuration["Jwt:Issuer"];
var claims = new List<Claim> {
new Claim("sid", user.Id),
new Claim("username", user.UserName),
new Claim("email", user.Email),
new Claim("role", role)
};
var descriptor = new JwtSecurityToken(issuer: null, audience: null, claims: claims, expires: expiration, signingCredentials: creds);
return new JwtSecurityTokenHandler().WriteToken(descriptor);
}
public string GenerateRefreshToken() {
byte[] random_number = new byte[16];
RandomNumberGenerator rng = RandomNumberGenerator.Create();
rng.GetBytes(random_number);
return string.Join("", random_number);
}
}
}
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