SharepointToolbox-Web/Services/OAuth/OAuthFlowCache.cs

using Microsoft.Extensions.Caching.Memory;
using SharepointToolbox.Web.Core.Models;

namespace SharepointToolbox.Web.Services.OAuth;

public class OAuthFlowCache : IOAuthFlowCache
{
    private readonly IMemoryCache _cache;

    public OAuthFlowCache(IMemoryCache cache) { _cache = cache; }

    public void StoreFlowState(string state, OAuthFlowState flowState) =>
        _cache.Set($"oauth_state_{state}", flowState, TimeSpan.FromMinutes(10));

    public OAuthFlowState? GetAndRemoveFlowState(string state)
    {
        var key = $"oauth_state_{state}";
        var value = _cache.Get<OAuthFlowState>(key);
        if (value is not null) _cache.Remove(key);
        return value;
    }

    public void StoreTokens(string tokenKey, SessionTokens tokens) =>
        _cache.Set($"oauth_tokens_{tokenKey}", tokens, TimeSpan.FromMinutes(2));

    public SessionTokens? GetAndRemoveTokens(string tokenKey)
    {
        var key = $"oauth_tokens_{tokenKey}";
        var value = _cache.Get<SessionTokens>(key);
        if (value is not null) _cache.Remove(key);
        return value;
    }

    public void StoreRegistrationResult(string key, AppRegistrationResult result) =>
        _cache.Set($"oauth_reg_{key}", result, TimeSpan.FromMinutes(5));

    public AppRegistrationResult? GetAndRemoveRegistrationResult(string key)
    {
        var cacheKey = $"oauth_reg_{key}";
        var value = _cache.Get<AppRegistrationResult>(cacheKey);
        if (value is not null) _cache.Remove(cacheKey);
        return value;
    }
}