Files
ClubPenguinClient/MareSynchronos/WebAPI/SignalR/TokenProvider.cs
2023-12-08 12:04:10 +00:00

89 lines
3.3 KiB
C#

using MareSynchronos.API.Routes;
using MareSynchronos.Services;
using MareSynchronos.Services.ServerConfiguration;
using MareSynchronos.Utils;
using Microsoft.Extensions.Logging;
using System.Collections.Concurrent;
using System.IdentityModel.Tokens.Jwt;
using System.Net.Http.Headers;
using System.Reflection;
namespace MareSynchronos.WebAPI.SignalR;
public sealed class TokenProvider : IDisposable
{
private readonly DalamudUtilService _dalamudUtil;
private readonly HttpClient _httpClient;
private readonly ILogger<TokenProvider> _logger;
private readonly ServerConfigurationManager _serverManager;
private readonly ConcurrentDictionary<JwtIdentifier, string> _tokenCache = new();
public TokenProvider(ILogger<TokenProvider> logger, ServerConfigurationManager serverManager, DalamudUtilService dalamudUtil)
{
_logger = logger;
_serverManager = serverManager;
_dalamudUtil = dalamudUtil;
_httpClient = new();
var ver = Assembly.GetExecutingAssembly().GetName().Version;
_httpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("MareSynchronos", ver!.Major + "." + ver!.Minor + "." + ver!.Build));
}
private JwtIdentifier CurrentIdentifier => new(_serverManager.CurrentApiUrl, _serverManager.GetSecretKey()!);
public void Dispose()
{
_httpClient.Dispose();
}
public async Task<string> GetNewToken(CancellationToken token)
{
Uri tokenUri;
string response = string.Empty;
HttpResponseMessage result;
try
{
_logger.LogDebug("GetNewToken: Requesting");
tokenUri = MareAuth.AuthFullPath(new Uri(_serverManager.CurrentApiUrl
.Replace("wss://", "https://", StringComparison.OrdinalIgnoreCase)
.Replace("ws://", "http://", StringComparison.OrdinalIgnoreCase)));
var secretKey = _serverManager.GetSecretKey()!;
var auth = secretKey.GetHash256();
result = await _httpClient.PostAsync(tokenUri, new FormUrlEncodedContent(new[]
{
new KeyValuePair<string, string>("auth", auth),
new KeyValuePair<string, string>("charaIdent", await _dalamudUtil.GetPlayerNameHashedAsync().ConfigureAwait(false)),
}), token).ConfigureAwait(false);
response = await result.Content.ReadAsStringAsync().ConfigureAwait(false);
result.EnsureSuccessStatusCode();
_tokenCache[CurrentIdentifier] = response;
}
catch (HttpRequestException ex)
{
_tokenCache.TryRemove(CurrentIdentifier, out _);
_logger.LogError(ex, "GetNewToken: Failure to get token");
if (ex.StatusCode == System.Net.HttpStatusCode.Unauthorized)
{
throw new MareAuthFailureException(response);
}
throw;
}
_logger.LogTrace("GetNewToken: JWT {token}", response);
return response;
}
public async Task<string?> GetOrUpdateToken(CancellationToken ct)
{
if (_tokenCache.TryGetValue(CurrentIdentifier, out var token))
return token;
_logger.LogTrace("GetOrUpdate: Getting new token");
return await GetNewToken(ct).ConfigureAwait(false);
}
}