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using System.Net.Http.Json;
using System.Text.Json;
using MatrixRoomUtils.Core.Extensions;
using MatrixRoomUtils.Core.Responses;
namespace MatrixRoomUtils.Core.Interfaces;
public class IHomeServer
{
private Dictionary<string, ProfileResponse?> _profileCache = new();
public string HomeServerDomain { get; set; }
public string FullHomeServerDomain { get; set; }
private protected HttpClient _httpClient { get; set; } = new();
public async Task<string> ResolveHomeserverFromWellKnown(string homeserver)
{
var res = await _resolveHomeserverFromWellKnown(homeserver);
if(!res.StartsWith("http")) res = "https://" + res;
if(res.EndsWith(":443")) res = res.Substring(0, res.Length - 4);
return res;
}
private async Task<string> _resolveHomeserverFromWellKnown(string homeserver)
{
if (RuntimeCache.HomeserverResolutionCache.Count == 0)
{
Console.WriteLine("No cached homeservers, resolving...");
await Task.Delay(Random.Shared.Next(1000, 5000));
}
if (RuntimeCache.HomeserverResolutionCache.ContainsKey(homeserver))
{
if (RuntimeCache.HomeserverResolutionCache[homeserver].ResolutionTime < DateTime.Now.AddHours(1))
{
Console.WriteLine($"Found cached homeserver: {RuntimeCache.HomeserverResolutionCache[homeserver].Result}");
return RuntimeCache.HomeserverResolutionCache[homeserver].Result;
}
Console.WriteLine($"Cached homeserver expired, removing: {RuntimeCache.HomeserverResolutionCache[homeserver].Result}");
RuntimeCache.HomeserverResolutionCache.Remove(homeserver);
}
//throw new NotImplementedException();
string result = null;
Console.WriteLine($"Resolving homeserver: {homeserver}");
if (!homeserver.StartsWith("http")) homeserver = "https://" + homeserver;
if (await _httpClient.CheckSuccessStatus($"{homeserver}/.well-known/matrix/client"))
{
Console.WriteLine($"Got successful response for client well-known...");
var resp = await _httpClient.GetFromJsonAsync<JsonElement>($"{homeserver}/.well-known/matrix/client");
Console.WriteLine($"Response: {resp.ToString()}");
var hs = resp.GetProperty("m.homeserver").GetProperty("base_url").GetString();
result = hs;
}
else
{
Console.WriteLine($"No client well-known...");
if (await _httpClient.CheckSuccessStatus($"{homeserver}/.well-known/matrix/server"))
{
var resp = await _httpClient.GetFromJsonAsync<JsonElement>($"{homeserver}/.well-known/matrix/server");
var hs = resp.GetProperty("m.server").GetString();
result = hs;
}
else
{
Console.WriteLine($"No server well-known...");
if (await _httpClient.CheckSuccessStatus($"{homeserver}/_matrix/client/versions")) result = homeserver;
else
{
Console.WriteLine("No homeserver on shortname...");
if (await _httpClient.CheckSuccessStatus($"{homeserver.Replace("//", "//matrix.")}/_matrix/client/versions")) result = homeserver.Replace("//", "//matrix.");
else Console.WriteLine($"Failed to resolve homeserver, not on {homeserver}, nor do client or server well-knowns exist!");
}
}
}
if (result != null)
{
Console.WriteLine($"Resolved homeserver: {homeserver} -> {result}");
RuntimeCache.HomeserverResolutionCache.TryAdd(homeserver, new()
{
Result = result,
ResolutionTime = DateTime.Now
});
return result;
}
throw new InvalidDataException($"Failed to resolve homeserver, not on {homeserver}, nor do client or server well-knowns exist!");
}
public async Task<ProfileResponse> GetProfile(string mxid, bool debounce = false, bool cache = true)
{
if (cache)
{
if(debounce) await Task.Delay(Random.Shared.Next(100, 500));
if (_profileCache.ContainsKey(mxid))
{
while (_profileCache[mxid] == null)
{
Console.WriteLine($"Waiting for profile cache for {mxid}, currently {_profileCache[mxid]?.ToJson() ?? "null"} within {_profileCache.Count} profiles...");
await Task.Delay(Random.Shared.Next(50, 500));
}
return _profileCache[mxid];
}
}
_profileCache.Add(mxid, null);
var resp = await _httpClient.GetAsync($"/_matrix/client/r0/profile/{mxid}");
var data = await resp.Content.ReadFromJsonAsync<JsonElement>();
if(!resp.IsSuccessStatusCode) Console.WriteLine("Profile: " + data.ToString());
var profile = data.Deserialize<ProfileResponse>();
_profileCache[mxid] = profile;
return profile;
}
public string ResolveMediaUri(string mxc)
{
return mxc.Replace("mxc://", $"{FullHomeServerDomain}/_matrix/media/r0/download/");
}
}
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