elsa-core/src/modules/Elsa.Identity/Options/IdentityOptions.cs

using System.Text;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;

namespace Elsa.Identity.Options;

public class IdentityOptions
{
    public string SigningKey { get; set; } = default!;
    public string Issuer { get; set; } = "http://elsa.api";
    public string Audience { get; set; } = "http://elsa.api";
    public TimeSpan? Lifetime { get; set; }
    
    public SecurityKey CreateSecurityKey() => new SymmetricSecurityKey(Encoding.ASCII.GetBytes(SigningKey));

    public void ConfigureJwtBearerOptions(JwtBearerOptions options) => options.TokenValidationParameters = new TokenValidationParameters
    {
        IssuerSigningKey = CreateSecurityKey(),
        ValidAudience = Audience,
        ValidIssuer = Issuer
    };

    public void Deconstruct(out string signingKey, out string issuer, out string audience, out TimeSpan? lifetime)
    {
        signingKey = SigningKey;
        issuer = Issuer;
        audience = Audience;
        lifetime = Lifetime;
    }
}