podnoms/server/Services/Push/Data/MemoryVapidTokenCache.cs

using System;
using Lib.Net.Http.WebPush.Authentication;
using Microsoft.Extensions.Caching.Memory;

namespace PodNoms.Api.Services.Push.Data {
    public class MemoryVapidTokenCache : IVapidTokenCache {
        private readonly IMemoryCache _memoryCache;

        public MemoryVapidTokenCache(IMemoryCache memoryCache) {
            _memoryCache = memoryCache;
        }

        public string Get(string audience) {
            if (!_memoryCache.TryGetValue(audience, out string token)) {
                token = null;
            }

            return token;
        }

        public void Put(string audience, DateTimeOffset expiration, string token) {
            _memoryCache.Set(audience, token, expiration);
        }
    }
}