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using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Text.Json.Serialization;
using LibMatrix.Extensions;
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, AuthenticatedHomeServer> _authenticatedHomeServerCache = new();
public async Task<AuthenticatedHomeServer> GetAuthenticatedWithToken(string homeserver, string accessToken,
string? overrideFullDomain = 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 hs = new AuthenticatedHomeServer(_tieredStorageService, homeserver, accessToken);
hs.FullHomeServerDomain = overrideFullDomain ??
await _homeserverResolverService.ResolveHomeserverFromWellKnown(homeserver);
hs._httpClient.Dispose();
hs._httpClient = new MatrixHttpClient { BaseAddress = new Uri(hs.FullHomeServerDomain) };
hs._httpClient.Timeout = TimeSpan.FromSeconds(120);
hs._httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
hs.WhoAmI = (await hs._httpClient.GetFromJsonAsync<WhoAmIResponse>("/_matrix/client/v3/account/whoami"))!;
_authenticatedHomeServerCache[homeserver+accessToken] = hs;
sem.Release();
return hs;
}
public async Task<RemoteHomeServer> GetRemoteHomeserver(string homeserver, string? overrideFullDomain = null) {
var hs = new RemoteHomeServer(homeserver);
hs.FullHomeServerDomain = overrideFullDomain ??
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? overrideFullDomain = null) {
var hs = await GetRemoteHomeserver(homeserver, overrideFullDomain);
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!;
}
private class LoginRequest {
[JsonPropertyName("type")]
public string Type { get; set; } = "m.login.password";
[JsonPropertyName("identifier")]
public LoginIdentifier Identifier { get; set; } = new();
[JsonPropertyName("password")]
public string Password { get; set; } = "";
[JsonPropertyName("initial_device_display_name")]
public string InitialDeviceDisplayName { get; set; } = "Rory&::LibMatrix";
public class LoginIdentifier {
[JsonPropertyName("type")]
public string Type { get; set; } = "m.id.user";
[JsonPropertyName("user")]
public string User { get; set; } = "";
}
}
}
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