ClientCredentialsTokenManagementService.cs

// Copyright (c) Duende Software. All rights reserved.
// Licensed under the Apache License, Version 2.0. See LICENSE in the project root for license information.

using Microsoft.Extensions.Logging;
using System.Threading;

namespace Duende.AccessTokenManagement;

/// <summary>
/// Implements token management logic
/// </summary>
public class ClientCredentialsTokenManagementService(
    IClientCredentialsTokenEndpointService clientCredentialsTokenEndpointService,
    IClientCredentialsTokenCache tokenCache
) : IClientCredentialsTokenManagementService
{

    /// <inheritdoc/>
    public async Task<ClientCredentialsToken> GetAccessTokenAsync(
        string clientName,
        TokenRequestParameters? parameters = null,
        CancellationToken cancellationToken = default)
    {
        parameters ??= new TokenRequestParameters();

        return await tokenCache.GetOrCreateAsync(
            clientName: clientName, 
            requestParameters: parameters, 
            factory: InvokeGetAccessToken, 
            cancellationToken: cancellationToken).ConfigureAwait(false);
    }

    private async Task<ClientCredentialsToken> InvokeGetAccessToken(string clientName, TokenRequestParameters parameters, CancellationToken cancellationToken)
    {
        return await clientCredentialsTokenEndpointService.RequestToken(clientName, parameters, cancellationToken).ConfigureAwait(false);
    }

    /// <inheritdoc/>
    public async Task DeleteAccessTokenAsync(
        string clientName,
        TokenRequestParameters? parameters = null,
        CancellationToken cancellationToken = default)
    {
        parameters ??= new TokenRequestParameters();
        await tokenCache.DeleteAsync(clientName, parameters, cancellationToken);
    }
}