crm-calls/calls/backend/Calls.Api/Recording/JitsiClients.cs

using System.Net;
using System.Net.Http.Json;
using System.Text.Json;

namespace Calls.Api.Recording;

/// <summary>Участники комнаты из prosody (mod_muc_size: GET /room?room=…&amp;domain=…), сеть crm-calls-bridge.</summary>
public sealed class ProsodyRooms(IHttpClientFactory http, RecordingOptions opt)
{
    /// <summary>Имена участников (без focus и без скрытого рекордера — у них пустой ник). null — prosody недоступен.</summary>
    public async Task<List<string>?> ParticipantsAsync(string room, CancellationToken ct)
    {
        try
        {
            using var req = new HttpRequestMessage(HttpMethod.Get,
                $"{opt.ProsodyUrl}/room?room={Uri.EscapeDataString(room)}&domain={Uri.EscapeDataString(opt.XmppDomain)}");
            // Маршрут mod_muc_size висит на виртуальном хосте XMPP-домена.
            req.Headers.Host = opt.XmppDomain;
            using var r = await http.CreateClient("jitsi").SendAsync(req, ct);
            if (r.StatusCode == HttpStatusCode.NotFound) return [];   // комнаты нет — пусто
            if (!r.IsSuccessStatusCode) return null;
            using var doc = JsonDocument.Parse(await r.Content.ReadAsStringAsync(ct));
            if (doc.RootElement.ValueKind != JsonValueKind.Array) return null;
            var names = new List<string>();
            foreach (var o in doc.RootElement.EnumerateArray())
            {
                var name = o.TryGetProperty("display_name", out var n) && n.ValueKind == JsonValueKind.String ? n.GetString()!.Trim() : "";
                if (name.Length > 0) names.Add(name);
            }
            return names;
        }
        catch (Exception e) when (e is HttpRequestException or TaskCanceledException or JsonException) { return null; }
    }
}

/// <summary>
/// Jibri HTTP API (http://jitsi-jibri:2222/jibri/api/v1.0). Запись в файл под скрытым пользователем recorder,
/// каталог записи — RECORDINGS_DIR/&lt;sessionId&gt;.
/// </summary>
public sealed class JibriClient(IHttpClientFactory http, RecordingOptions opt)
{
    public enum Busy { Idle, Busy, Unknown }

    public async Task<Busy> StatusAsync(CancellationToken ct)
    {
        try
        {
            using var r = await http.CreateClient("jitsi").GetAsync($"{opt.JibriUrl}/jibri/api/v1.0/health", ct);
            if (!r.IsSuccessStatusCode) return Busy.Unknown;
            using var doc = JsonDocument.Parse(await r.Content.ReadAsStringAsync(ct));
            var s = doc.RootElement.GetProperty("status").GetProperty("busyStatus").GetString();
            return s == "IDLE" ? Busy.Idle : s == "BUSY" ? Busy.Busy : Busy.Unknown;
        }
        catch (Exception e) when (e is HttpRequestException or TaskCanceledException or JsonException or KeyNotFoundException or InvalidOperationException)
        { return Busy.Unknown; }
    }

    /// <summary>true — Jibri принял запрос (дальше он асинхронно заходит в комнату).</summary>
    public async Task<(bool Ok, string Detail)> StartAsync(string sessionId, string room, CancellationToken ct)
    {
        var body = new
        {
            sessionId,
            callParams = new { callUrlInfo = new { baseUrl = opt.MeetBaseUrl, callName = room } },
            callLoginParams = new { domain = opt.RecorderDomain, username = opt.RecorderUser, password = opt.RecorderPassword },
            sinkType = "file",
        };
        try
        {
            using var r = await http.CreateClient("jitsi").PostAsJsonAsync($"{opt.JibriUrl}/jibri/api/v1.0/startService", body, ct);
            return (r.IsSuccessStatusCode, $"{(int)r.StatusCode} {await r.Content.ReadAsStringAsync(ct)}".Trim());
        }
        catch (Exception e) when (e is HttpRequestException or TaskCanceledException) { return (false, e.Message); }
    }

    public async Task<bool> StopAsync(CancellationToken ct)
    {
        try
        {
            // stopService ждёт, пока Jibri закроет ffmpeg и Chrome — это дольше обычного таймаута клиента.
            using var cts = CancellationTokenSource.CreateLinkedTokenSource(ct);
            cts.CancelAfter(TimeSpan.FromSeconds(60));
            using var r = await http.CreateClient("jibri-stop").PostAsync($"{opt.JibriUrl}/jibri/api/v1.0/stopService", null, cts.Token);
            return r.IsSuccessStatusCode;
        }
        catch (Exception e) when (e is HttpRequestException or TaskCanceledException) { return false; }
    }
}