private void AddSecurity(IServiceCollection services)
{
services.AddAuthentication(opt =>
{
opt.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
opt.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
opt.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(opt =>
{
opt.SaveToken = true;
opt.TokenValidationParameters = TokenValidationParametersDefaults.GetDefaultParameters();
});
services.AddAuthorization();
}
public ClaimsPrincipal GetPrincipalFromToken(string token)
{
var tokenHandler = new JwtSecurityTokenHandler();
try
{
var principal =
tokenHandler.ValidateToken(token, TokenValidationParametersDefaults.GetDefaultParameters(),
out var validatedToken);
if (!IsJwtWithValidSecurityAlgorithm(validatedToken))
{
return(null);
}
return(principal);
}
catch (Exception)
{
return(null);
}
}