492 lines
19 KiB
C#
492 lines
19 KiB
C#
using Dalamud.Logging;
|
|
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Net.Http;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using LZ4;
|
|
using MareSynchronos.API;
|
|
using MareSynchronos.FileCacheDB;
|
|
using MareSynchronos.Utils;
|
|
using Microsoft.AspNetCore.SignalR.Client;
|
|
|
|
namespace MareSynchronos.WebAPI
|
|
{
|
|
public partial class ApiController : IDisposable
|
|
{
|
|
#if DEBUG
|
|
public const string MainServer = "darkarchons Debug Server (Dev Server (CH))";
|
|
public const string MainServiceUri = "https://darkarchon.internet-box.ch:5001";
|
|
#else
|
|
public const string MainServer = "Lunae Crescere Incipientis (Central Server EU)";
|
|
public const string MainServiceUri = "to be defined";
|
|
#endif
|
|
|
|
private readonly Configuration _pluginConfiguration;
|
|
|
|
private CancellationTokenSource _cts;
|
|
|
|
private HubConnection? _fileHub;
|
|
|
|
private HubConnection? _heartbeatHub;
|
|
|
|
private CancellationTokenSource? _uploadCancellationTokenSource;
|
|
|
|
private HubConnection? _userHub;
|
|
|
|
public ApiController(Configuration pluginConfiguration)
|
|
{
|
|
Logger.Debug("Creating " + nameof(ApiController));
|
|
|
|
_pluginConfiguration = pluginConfiguration;
|
|
_cts = new CancellationTokenSource();
|
|
|
|
Task.Run(CreateConnections);
|
|
}
|
|
|
|
public event EventHandler? ChangingServers;
|
|
|
|
public event EventHandler<CharacterReceivedEventArgs>? CharacterReceived;
|
|
|
|
public event EventHandler? Connected;
|
|
|
|
public event EventHandler? Disconnected;
|
|
|
|
public event EventHandler? PairedClientOffline;
|
|
|
|
public event EventHandler? PairedClientOnline;
|
|
|
|
public event EventHandler? PairedWithOther;
|
|
|
|
public event EventHandler? UnpairedFromOther;
|
|
|
|
public ConcurrentDictionary<string, (long, long)> CurrentDownloads { get; } = new();
|
|
|
|
public ConcurrentDictionary<string, (long, long)> CurrentUploads { get; } = new();
|
|
|
|
public bool IsConnected => !string.IsNullOrEmpty(UID);
|
|
|
|
public bool IsDownloading { get; private set; }
|
|
|
|
public bool IsUploading { get; private set; }
|
|
|
|
public List<ClientPairDto> PairedClients { get; set; } = new();
|
|
|
|
public string SecretKey => _pluginConfiguration.ClientSecret.ContainsKey(ApiUri) ? _pluginConfiguration.ClientSecret[ApiUri] : "-";
|
|
|
|
public bool ServerAlive =>
|
|
(_heartbeatHub?.State ?? HubConnectionState.Disconnected) == HubConnectionState.Connected;
|
|
|
|
public Dictionary<string, string> ServerDictionary => new Dictionary<string, string>() { { MainServiceUri, MainServer } }
|
|
.Concat(_pluginConfiguration.CustomServerList)
|
|
.ToDictionary(k => k.Key, k => k.Value);
|
|
public string UID { get; private set; } = string.Empty;
|
|
|
|
private string ApiUri => _pluginConfiguration.ApiUri;
|
|
|
|
public async Task CreateConnections()
|
|
{
|
|
_cts = new CancellationTokenSource();
|
|
var token = _cts.Token;
|
|
await StopAllConnections(token);
|
|
|
|
while (!ServerAlive && !token.IsCancellationRequested)
|
|
{
|
|
await StopAllConnections(token);
|
|
|
|
try
|
|
{
|
|
Logger.Debug("Building connection");
|
|
_heartbeatHub = BuildHubConnection("heartbeat");
|
|
_userHub = BuildHubConnection("user");
|
|
_fileHub = BuildHubConnection("files");
|
|
|
|
await _heartbeatHub.StartAsync(token);
|
|
await _userHub.StartAsync(token);
|
|
await _fileHub.StartAsync(token);
|
|
|
|
if (_pluginConfiguration.FullPause)
|
|
{
|
|
UID = string.Empty;
|
|
return;
|
|
}
|
|
UID = await _heartbeatHub.InvokeAsync<string>("Heartbeat", token);
|
|
if (!string.IsNullOrEmpty(UID) && !token.IsCancellationRequested) // user is authorized
|
|
{
|
|
Logger.Debug("Initializing data");
|
|
_userHub.On<ClientPairDto, string>("UpdateClientPairs", UpdateLocalClientPairs);
|
|
_userHub.On<CharacterCacheDto, string>("ReceiveCharacterData", ReceiveCharacterData);
|
|
_userHub.On<string>("RemoveOnlinePairedPlayer",
|
|
(s) => PairedClientOffline?.Invoke(s, EventArgs.Empty));
|
|
_userHub.On<string>("AddOnlinePairedPlayer",
|
|
(s) => PairedClientOnline?.Invoke(s, EventArgs.Empty));
|
|
|
|
PairedClients = await _userHub!.InvokeAsync<List<ClientPairDto>>("GetPairedClients", token);
|
|
|
|
_heartbeatHub.Closed += HeartbeatHubOnClosed;
|
|
_heartbeatHub.Reconnected += HeartbeatHubOnReconnected;
|
|
_heartbeatHub.Reconnecting += HeartbeatHubOnReconnecting;
|
|
Connected?.Invoke(this, EventArgs.Empty);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.Warn(ex.Message);
|
|
Logger.Warn(ex.StackTrace);
|
|
Logger.Debug("Failed to establish connection, retrying");
|
|
await Task.Delay(TimeSpan.FromSeconds(5), token);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
Logger.Debug("Disposing " + nameof(ApiController));
|
|
|
|
Task.Run(async () => await StopAllConnections(_cts.Token));
|
|
_cts?.Cancel();
|
|
}
|
|
|
|
private HubConnection BuildHubConnection(string hubName)
|
|
{
|
|
return new HubConnectionBuilder()
|
|
.WithUrl(ApiUri + "/" + hubName, options =>
|
|
{
|
|
if (!string.IsNullOrEmpty(SecretKey) && !_pluginConfiguration.FullPause)
|
|
{
|
|
options.Headers.Add("Authorization", SecretKey);
|
|
}
|
|
#if DEBUG
|
|
options.HttpMessageHandlerFactory = (message) =>
|
|
{
|
|
if (message is HttpClientHandler clientHandler)
|
|
clientHandler.ServerCertificateCustomValidationCallback +=
|
|
(sender, certificate, chain, sslPolicyErrors) => true;
|
|
return message;
|
|
};
|
|
#endif
|
|
})
|
|
.WithAutomaticReconnect(new ForeverRetryPolicy())
|
|
.Build();
|
|
}
|
|
|
|
private Task HeartbeatHubOnClosed(Exception? arg)
|
|
{
|
|
Logger.Debug("Connection closed");
|
|
Disconnected?.Invoke(null, EventArgs.Empty);
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
private Task HeartbeatHubOnReconnected(string? arg)
|
|
{
|
|
Logger.Debug("Connection restored");
|
|
Connected?.Invoke(this, EventArgs.Empty);
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
private Task HeartbeatHubOnReconnecting(Exception? arg)
|
|
{
|
|
Logger.Debug("Connection closed... Reconnecting…");
|
|
Disconnected?.Invoke(null, EventArgs.Empty);
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
private async Task StopAllConnections(CancellationToken token)
|
|
{
|
|
if (_heartbeatHub is { State: HubConnectionState.Connected })
|
|
{
|
|
await _heartbeatHub.StopAsync(token);
|
|
_heartbeatHub.Closed -= HeartbeatHubOnClosed;
|
|
_heartbeatHub.Reconnected -= HeartbeatHubOnReconnected;
|
|
_heartbeatHub.Reconnecting += HeartbeatHubOnReconnecting;
|
|
await _heartbeatHub.DisposeAsync();
|
|
}
|
|
|
|
if (_fileHub is { State: HubConnectionState.Connected })
|
|
{
|
|
await _fileHub.StopAsync(token);
|
|
await _fileHub.DisposeAsync();
|
|
}
|
|
|
|
if (_userHub is { State: HubConnectionState.Connected })
|
|
{
|
|
await _userHub.StopAsync(token);
|
|
await _userHub.DisposeAsync();
|
|
}
|
|
}
|
|
}
|
|
|
|
public partial class ApiController
|
|
{
|
|
public void CancelUpload()
|
|
{
|
|
if (_uploadCancellationTokenSource != null)
|
|
{
|
|
PluginLog.Warning("Cancelling upload");
|
|
_uploadCancellationTokenSource?.Cancel();
|
|
_fileHub!.InvokeAsync("AbortUpload");
|
|
}
|
|
}
|
|
|
|
public async Task DeleteAccount()
|
|
{
|
|
_pluginConfiguration.ClientSecret.Remove(ApiUri);
|
|
await _fileHub!.SendAsync("DeleteAllFiles");
|
|
await _userHub!.SendAsync("DeleteAccount");
|
|
await CreateConnections();
|
|
}
|
|
|
|
public async Task DeleteAllMyFiles()
|
|
{
|
|
await _fileHub!.SendAsync("DeleteAllFiles");
|
|
}
|
|
|
|
public async Task<string> DownloadFile(string hash, CancellationToken ct)
|
|
{
|
|
var reader = _fileHub!.StreamAsync<byte[]>("DownloadFileAsync", hash, ct);
|
|
string fileName = Path.GetTempFileName();
|
|
await using var fs = File.OpenWrite(fileName);
|
|
await foreach (var data in reader.WithCancellation(ct))
|
|
{
|
|
CurrentDownloads[hash] = (CurrentDownloads[hash].Item1 + data.Length, CurrentDownloads[hash].Item2);
|
|
await fs.WriteAsync(data, ct);
|
|
}
|
|
return fileName;
|
|
}
|
|
|
|
public async Task DownloadFiles(List<FileReplacementDto> fileReplacementDto, CancellationToken ct)
|
|
{
|
|
IsDownloading = true;
|
|
|
|
foreach (var file in fileReplacementDto)
|
|
{
|
|
var fileSize = await _fileHub!.InvokeAsync<long>("GetFileSize", file.Hash, ct);
|
|
CurrentDownloads[file.Hash] = (0, fileSize);
|
|
}
|
|
|
|
List<string> downloadedHashes = new();
|
|
foreach (var file in fileReplacementDto.Where(f => CurrentDownloads[f.Hash].Item2 > 0))
|
|
{
|
|
if (downloadedHashes.Contains(file.Hash))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var hash = file.Hash;
|
|
var tempFile = await DownloadFile(hash, ct);
|
|
if (ct.IsCancellationRequested)
|
|
{
|
|
File.Delete(tempFile);
|
|
break;
|
|
}
|
|
|
|
var tempFileData = await File.ReadAllBytesAsync(tempFile, ct);
|
|
var extractedFile = LZ4Codec.Unwrap(tempFileData);
|
|
File.Delete(tempFile);
|
|
var ext = file.GamePaths.First().Split(".").Last();
|
|
var filePath = Path.Combine(_pluginConfiguration.CacheFolder, file.Hash + "." + ext);
|
|
await File.WriteAllBytesAsync(filePath, extractedFile, ct);
|
|
Logger.Debug("File downloaded to " + filePath);
|
|
downloadedHashes.Add(hash);
|
|
}
|
|
|
|
var allFilesInDb = false;
|
|
while (!allFilesInDb && !ct.IsCancellationRequested)
|
|
{
|
|
await using (var db = new FileCacheContext())
|
|
{
|
|
allFilesInDb = downloadedHashes.All(h => db.FileCaches.Any(f => f.Hash == h));
|
|
}
|
|
|
|
await Task.Delay(250, ct);
|
|
}
|
|
|
|
CurrentDownloads.Clear();
|
|
IsDownloading = false;
|
|
}
|
|
|
|
public async Task GetCharacterData(Dictionary<string, int> hashedCharacterNames)
|
|
{
|
|
await _userHub!.InvokeAsync("GetCharacterData",
|
|
hashedCharacterNames);
|
|
}
|
|
|
|
public Task ReceiveCharacterData(CharacterCacheDto character, string characterHash)
|
|
{
|
|
Logger.Debug("Received DTO for " + characterHash);
|
|
CharacterReceived?.Invoke(null, new CharacterReceivedEventArgs(characterHash, character));
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
public async Task Register()
|
|
{
|
|
if (!ServerAlive) return;
|
|
Logger.Debug("Registering at service " + ApiUri);
|
|
var response = await _userHub!.InvokeAsync<string>("Register");
|
|
_pluginConfiguration.ClientSecret[ApiUri] = response;
|
|
_pluginConfiguration.Save();
|
|
ChangingServers?.Invoke(null, EventArgs.Empty);
|
|
await CreateConnections();
|
|
}
|
|
public async Task SendCharacterData(CharacterCacheDto character, List<string> visibleCharacterIds)
|
|
{
|
|
if (!IsConnected || SecretKey == "-") return;
|
|
Logger.Debug("Sending Character data to service " + ApiUri);
|
|
|
|
CancelUpload();
|
|
_uploadCancellationTokenSource = new CancellationTokenSource();
|
|
var uploadToken = _uploadCancellationTokenSource.Token;
|
|
Logger.Debug("New Token Created");
|
|
|
|
var filesToUpload = await _fileHub!.InvokeAsync<List<string>>("SendFiles", character.FileReplacements.Select(c => c.Hash).Distinct(), uploadToken);
|
|
|
|
IsUploading = true;
|
|
|
|
Logger.Debug("Compressing files");
|
|
foreach (var file in filesToUpload)
|
|
{
|
|
Logger.Debug(file);
|
|
var data = await GetCompressedFileData(file, uploadToken);
|
|
CurrentUploads[data.Item1] = (0, data.Item2.Length);
|
|
_ = UploadFile(data.Item2, file, uploadToken);
|
|
if (!uploadToken.IsCancellationRequested) continue;
|
|
PluginLog.Warning("Cancel in filesToUpload loop detected");
|
|
CurrentUploads.Clear();
|
|
break;
|
|
}
|
|
|
|
Logger.Debug("Upload tasks complete, waiting for server to confirm");
|
|
var anyUploadsOpen = await _fileHub!.InvokeAsync<bool>("IsUploadFinished", uploadToken);
|
|
Logger.Debug("Uploads open: " + anyUploadsOpen);
|
|
while (anyUploadsOpen && !uploadToken.IsCancellationRequested)
|
|
{
|
|
anyUploadsOpen = await _fileHub!.InvokeAsync<bool>("IsUploadFinished", uploadToken);
|
|
await Task.Delay(TimeSpan.FromSeconds(0.5), uploadToken);
|
|
Logger.Debug("Waiting for uploads to finish");
|
|
}
|
|
|
|
CurrentUploads.Clear();
|
|
IsUploading = false;
|
|
|
|
if (!uploadToken.IsCancellationRequested)
|
|
{
|
|
Logger.Debug("=== Pushing character data ===");
|
|
await _userHub!.InvokeAsync("PushCharacterData", character, visibleCharacterIds, uploadToken);
|
|
}
|
|
else
|
|
{
|
|
PluginLog.Warning("=== Upload operation was cancelled ===");
|
|
}
|
|
|
|
Logger.Debug("== Upload complete for " + character.JobId);
|
|
_uploadCancellationTokenSource = null;
|
|
}
|
|
|
|
public async Task<List<string>> SendCharacterName(string hashedName)
|
|
{
|
|
return await _userHub!.InvokeAsync<List<string>>("SendCharacterNameHash", hashedName);
|
|
}
|
|
|
|
public async Task SendPairedClientAddition(string uid)
|
|
{
|
|
if (!IsConnected || SecretKey == "-") return;
|
|
await _userHub!.SendAsync("SendPairedClientAddition", uid);
|
|
}
|
|
|
|
public async Task SendPairedClientPauseChange(string uid, bool paused)
|
|
{
|
|
if (!IsConnected || SecretKey == "-") return;
|
|
await _userHub!.SendAsync("SendPairedClientPauseChange", uid, paused);
|
|
}
|
|
|
|
public async Task SendPairedClientRemoval(string uid)
|
|
{
|
|
if (!IsConnected || SecretKey == "-") return;
|
|
await _userHub!.SendAsync("SendPairedClientRemoval", uid);
|
|
}
|
|
|
|
private async Task<(string, byte[])> GetCompressedFileData(string fileHash, CancellationToken uploadToken)
|
|
{
|
|
await using var db = new FileCacheContext();
|
|
var fileCache = db.FileCaches.First(f => f.Hash == fileHash);
|
|
return (fileHash, LZ4Codec.WrapHC(await File.ReadAllBytesAsync(fileCache.Filepath, uploadToken), 0,
|
|
(int)new FileInfo(fileCache.Filepath).Length));
|
|
}
|
|
|
|
private void UpdateLocalClientPairs(ClientPairDto dto, string characterIdentifier)
|
|
{
|
|
var entry = PairedClients.SingleOrDefault(e => e.OtherUID == dto.OtherUID);
|
|
if (dto.IsRemoved)
|
|
{
|
|
PairedClients.RemoveAll(p => p.OtherUID == dto.OtherUID);
|
|
UnpairedFromOther?.Invoke(characterIdentifier, EventArgs.Empty);
|
|
return;
|
|
}
|
|
if (entry == null)
|
|
{
|
|
PairedClients.Add(dto);
|
|
return;
|
|
}
|
|
|
|
if ((entry.IsPausedFromOthers != dto.IsPausedFromOthers || entry.IsSynced != dto.IsSynced || entry.IsPaused != dto.IsPaused)
|
|
&& !dto.IsPaused && dto.IsSynced && !dto.IsPausedFromOthers)
|
|
{
|
|
PairedWithOther?.Invoke(characterIdentifier, EventArgs.Empty);
|
|
}
|
|
|
|
entry.IsPaused = dto.IsPaused;
|
|
entry.IsPausedFromOthers = dto.IsPausedFromOthers;
|
|
entry.IsSynced = dto.IsSynced;
|
|
|
|
if (dto.IsPaused || dto.IsPausedFromOthers || !dto.IsSynced)
|
|
{
|
|
UnpairedFromOther?.Invoke(characterIdentifier, EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
private async Task UploadFile(byte[] compressedFile, string fileHash, CancellationToken uploadToken)
|
|
{
|
|
if (uploadToken.IsCancellationRequested) return;
|
|
|
|
async IAsyncEnumerable<byte[]> AsyncFileData()
|
|
{
|
|
var chunkSize = 1024 * 512; // 512kb
|
|
using var ms = new MemoryStream(compressedFile);
|
|
var buffer = new byte[chunkSize];
|
|
int bytesRead;
|
|
while ((bytesRead = await ms.ReadAsync(buffer, 0, chunkSize, uploadToken)) > 0)
|
|
{
|
|
CurrentUploads[fileHash] = (CurrentUploads[fileHash].Item1 + bytesRead, CurrentUploads[fileHash].Item2);
|
|
uploadToken.ThrowIfCancellationRequested();
|
|
yield return bytesRead == chunkSize ? buffer.ToArray() : buffer.Take(bytesRead).ToArray();
|
|
}
|
|
}
|
|
|
|
await _fileHub!.SendAsync("UploadFileStreamAsync", fileHash, AsyncFileData(), uploadToken);
|
|
}
|
|
}
|
|
|
|
public class CharacterReceivedEventArgs : EventArgs
|
|
{
|
|
public CharacterReceivedEventArgs(string characterNameHash, CharacterCacheDto characterData)
|
|
{
|
|
CharacterData = characterData;
|
|
CharacterNameHash = characterNameHash;
|
|
}
|
|
|
|
public CharacterCacheDto CharacterData { get; set; }
|
|
public string CharacterNameHash { get; set; }
|
|
}
|
|
|
|
public class ForeverRetryPolicy : IRetryPolicy
|
|
{
|
|
public TimeSpan? NextRetryDelay(RetryContext retryContext)
|
|
{
|
|
return TimeSpan.FromSeconds(5);
|
|
}
|
|
}
|
|
}
|