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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Text.Json.Serialization;
using System.Threading;
using System.Threading.Tasks;
using ArcaneLibs.Extensions;
using LibMatrix.Extensions;
using LibMatrix.Homeservers;
using LibMatrix.Responses;
using Microsoft.Extensions.Logging;
namespace LibMatrix.Services;
public class HomeserverProviderService {
private readonly TieredStorageService _tieredStorageService;
private readonly ILogger<HomeserverProviderService> _logger;
private readonly HomeserverResolverService _homeserverResolverService;
public HomeserverProviderService(TieredStorageService tieredStorageService,
ILogger<HomeserverProviderService> logger, HomeserverResolverService homeserverResolverService) {
_tieredStorageService = tieredStorageService;
_logger = logger;
_homeserverResolverService = homeserverResolverService;
logger.LogDebug("New HomeserverProviderService created with TieredStorageService<{}>!",
string.Join(", ", tieredStorageService.GetType().GetProperties().Select(x => x.Name)));
}
private static Dictionary<string, SemaphoreSlim> _authenticatedHomeserverSemaphore = new();
private static Dictionary<string, AuthenticatedHomeserverGeneric> _authenticatedHomeServerCache = new();
public async Task<AuthenticatedHomeserverGeneric> GetAuthenticatedWithToken(string homeserver, string accessToken,
string? proxy = null) {
var sem = _authenticatedHomeserverSemaphore.GetOrCreate(homeserver + accessToken, _ => new SemaphoreSlim(1, 1));
await sem.WaitAsync();
if (_authenticatedHomeServerCache.ContainsKey(homeserver + accessToken)) {
sem.Release();
return _authenticatedHomeServerCache[homeserver + accessToken];
}
var domain = proxy ?? await _homeserverResolverService.ResolveHomeserverFromWellKnown(homeserver);
var hc = new MatrixHttpClient { BaseAddress = new Uri(domain) };
AuthenticatedHomeserverGeneric hs;
if (true) {
hs = new AuthenticatedHomeserverMxApiExtended(_tieredStorageService, homeserver, accessToken);
}
else {
hs = new AuthenticatedHomeserverGeneric(_tieredStorageService, homeserver, accessToken);
}
hs.FullHomeServerDomain = domain;
hs._httpClient = hc;
hs._httpClient.Timeout = TimeSpan.FromMinutes(15);
hs._httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
hs.WhoAmI = (await hs._httpClient.GetFromJsonAsync<WhoAmIResponse>("/_matrix/client/v3/account/whoami"))!;
lock(_authenticatedHomeServerCache)
_authenticatedHomeServerCache[homeserver + accessToken] = hs;
sem.Release();
return hs;
}
public async Task<RemoteHomeServer> GetRemoteHomeserver(string homeserver, string? proxy = null) {
var hs = new RemoteHomeServer(homeserver);
hs.FullHomeServerDomain = proxy ?? await _homeserverResolverService.ResolveHomeserverFromWellKnown(homeserver);
hs._httpClient.Dispose();
hs._httpClient = new MatrixHttpClient { BaseAddress = new Uri(hs.FullHomeServerDomain) };
hs._httpClient.Timeout = TimeSpan.FromSeconds(120);
return hs;
}
public async Task<LoginResponse> Login(string homeserver, string user, string password, string? proxy = null) {
var hs = await GetRemoteHomeserver(homeserver, proxy);
var payload = new LoginRequest {
Identifier = new LoginRequest.LoginIdentifier { User = user },
Password = password
};
var resp = await hs._httpClient.PostAsJsonAsync("/_matrix/client/v3/login", payload);
var data = await resp.Content.ReadFromJsonAsync<LoginResponse>();
return data!;
}
}
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