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using System.Diagnostics;
using System.Text.Json.Serialization;
using LibMatrix.Extensions;
using LibMatrix.Services.WellKnownResolver.WellKnownResolvers;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
namespace LibMatrix.Services.WellKnownResolver;
public class WellKnownResolverService {
private readonly MatrixHttpClient _httpClient = new();
private readonly ILogger<WellKnownResolverService> _logger;
private readonly ClientWellKnownResolver _clientWellKnownResolver;
private readonly SupportWellKnownResolver _supportWellKnownResolver;
private readonly ServerWellKnownResolver _serverWellKnownResolver;
private readonly WellKnownResolverConfiguration _configuration;
public WellKnownResolverService(ILogger<WellKnownResolverService> logger, ClientWellKnownResolver clientWellKnownResolver, SupportWellKnownResolver supportWellKnownResolver,
WellKnownResolverConfiguration configuration, ServerWellKnownResolver serverWellKnownResolver) {
_logger = logger;
_clientWellKnownResolver = clientWellKnownResolver;
_supportWellKnownResolver = supportWellKnownResolver;
_configuration = configuration;
_serverWellKnownResolver = serverWellKnownResolver;
if (logger is NullLogger<WellKnownResolverService>) {
var stackFrame = new StackTrace(true).GetFrame(1);
Console.WriteLine(
$"WARN | Null logger provided to WellKnownResolverService!\n{stackFrame?.GetMethod()?.DeclaringType?.ToString() ?? "null"} at {stackFrame?.GetFileName() ?? "null"}:{stackFrame?.GetFileLineNumber().ToString() ?? "null"}");
}
}
public async Task<WellKnownRecords> TryResolveWellKnownRecords(string homeserver, bool includeClient = true, bool includeServer = true, bool includeSupport = true,
WellKnownResolverConfiguration? config = null) {
WellKnownRecords records = new();
_logger.LogDebug($"Resolving well-knowns for {homeserver}");
if (includeClient && await _clientWellKnownResolver.TryResolveWellKnown(homeserver, config ?? _configuration) is { } clientResult) {
records.ClientWellKnown = clientResult;
}
if (includeServer && await _serverWellKnownResolver.TryResolveWellKnown(homeserver, config ?? _configuration) is { } serverResult) {
records.ServerWellKnown = serverResult;
}
if (includeSupport && await _supportWellKnownResolver.TryResolveWellKnown(homeserver, config ?? _configuration) is { } supportResult) {
records.SupportWellKnown = supportResult;
}
return records;
}
public class WellKnownRecords {
public WellKnownResolutionResult<ClientWellKnown?>? ClientWellKnown { get; set; }
public WellKnownResolutionResult<ServerWellKnown?>? ServerWellKnown { get; set; }
public WellKnownResolutionResult<SupportWellKnown?>? SupportWellKnown { get; set; }
}
public class WellKnownResolutionResult<T> {
public WellKnownSource Source { get; set; }
public string? SourceUri { get; set; }
public T? Content { get; set; }
public List<WellKnownResolutionWarning> Warnings { get; set; } = [];
}
[JsonConverter(typeof(JsonStringEnumConverter))]
public enum WellKnownSource {
None,
Https,
Dns,
Http,
ManualCheck,
Search
}
public struct WellKnownResolutionWarning {
public WellKnownResolutionWarningType Type { get; set; }
public string Message { get; set; }
[JsonIgnore]
public Exception? Exception { get; set; }
public string? ExceptionMessage => Exception?.Message;
[JsonConverter(typeof(JsonStringEnumConverter))]
public enum WellKnownResolutionWarningType {
None,
Exception,
InvalidResponse,
Timeout,
SlowResponse
}
}
}
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