t0w0bi/ClubPenguinClient
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add all admin stuff, refactor ApiController into partial classes

Browse Source
This commit is contained in:
Stanley Dimant
2022-06-30 01:53:09 +02:00
parent ce9bfad97b
commit eb39429777
14 changed files with 1024 additions and 573 deletions
Download Patch File Download Diff File Expand all files Collapse all files

548
MareSynchronos/WebAPI/ApiController.cs
View File

@@ -1,548 +0,0 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
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.Http.Connections;
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 = "wss://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 readonly DalamudUtil _dalamudUtil;
private CancellationTokenSource _cts;
private HubConnection? _fileHub;
private HubConnection? _heartbeatHub;
private CancellationTokenSource? _uploadCancellationTokenSource;
private HubConnection? _userHub;
public bool IsAdmin { private set; get; }
public ApiController(Configuration pluginConfiguration, DalamudUtil dalamudUtil)
{
Logger.Debug("Creating " + nameof(ApiController));
_pluginConfiguration = pluginConfiguration;
_dalamudUtil = dalamudUtil;
_cts = new CancellationTokenSource();
_dalamudUtil.LogIn += DalamudUtilOnLogIn;
_dalamudUtil.LogOut += DalamudUtilOnLogOut;
if (_dalamudUtil.IsLoggedIn)
{
DalamudUtilOnLogIn();
}
}
private void DalamudUtilOnLogOut()
{
Task.Run(async () => await StopAllConnections(_cts.Token));
}
private void DalamudUtilOnLogIn()
{
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 int OnlineUsers { get; private set; }
public async Task CreateConnections()
{
await StopAllConnections(_cts.Token);
_cts = new CancellationTokenSource();
var token = _cts.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);
OnlineUsers = await _userHub.InvokeAsync<int>("GetOnlineUsers", token);
if (_pluginConfiguration.FullPause)
{
UID = string.Empty;
return;
}
var userDto = await _heartbeatHub.InvokeAsync<UserDto>("Heartbeat", token);
UID = userDto.UID;
IsAdmin = userDto.IsAdmin;
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));
_userHub.On<int>("UsersOnline", (count) => OnlineUsers = count);
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));
_dalamudUtil.LogIn -= DalamudUtilOnLogIn;
_dalamudUtil.LogOut -= DalamudUtilOnLogOut;
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);
options.Headers.Add("CharacterNameHash", _dalamudUtil.PlayerNameHashed);
}
options.Transports = HttpTransportType.WebSockets;
#if DEBUG
options.HttpMessageHandlerFactory = (message) => new HttpClientHandler()
{
ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
};
#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");
OnlineUsers = _userHub!.InvokeAsync<int>("GetOnlineUsers").Result;
var userDto = _heartbeatHub!.InvokeAsync<UserDto>("Heartbeat").Result;
IsAdmin = userDto.IsAdmin;
UID = userDto.UID;
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 or HubConnectionState.Connecting or HubConnectionState.Reconnecting })
{
await _heartbeatHub.StopAsync(token);
_heartbeatHub.Closed -= HeartbeatHubOnClosed;
_heartbeatHub.Reconnected -= HeartbeatHubOnReconnected;
_heartbeatHub.Reconnecting += HeartbeatHubOnReconnecting;
await _heartbeatHub.DisposeAsync();
_heartbeatHub = null;
}
if (_fileHub is { State: HubConnectionState.Connected or HubConnectionState.Connecting or HubConnectionState.Reconnecting })
{
await _fileHub.StopAsync(token);
await _fileHub.DisposeAsync();
_fileHub = null;
}
if (_userHub is { State: HubConnectionState.Connected or HubConnectionState.Connecting or HubConnectionState.Reconnecting })
{
await _userHub.StopAsync(token);
await _userHub.DisposeAsync();
_userHub = null;
}
}
}
public partial class ApiController
{
public void CancelUpload()
{
if (_uploadCancellationTokenSource != null)
{
Logger.Warn("Cancelling upload");
_uploadCancellationTokenSource?.Cancel();
_fileHub!.InvokeAsync("AbortUpload");
}
}
public async Task DeleteAccount()
{
_pluginConfiguration.ClientSecret.Remove(ApiUri);
_pluginConfiguration.Save();
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))
{
//Logger.Debug("Getting chunk of " + hash);
CurrentDownloads[hash] = (CurrentDownloads[hash].Item1 + data.Length, CurrentDownloads[hash].Item2);
await fs.WriteAsync(data, ct);
Debug.WriteLine("Wrote chunk " + data.Length + " into " + fileName);
}
return fileName;
}
public async Task DownloadFiles(List<FileReplacementDto> fileReplacementDto, CancellationToken ct)
{
IsDownloading = true;
foreach (var file in fileReplacementDto)
{
var downloadFileDto = await _fileHub!.InvokeAsync<DownloadFileDto>("GetFileSize", file.Hash, ct);
CurrentDownloads[file.Hash] = (0, downloadFileDto.Size);
}
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 filePath = Path.Combine(_pluginConfiguration.CacheFolder, file.Hash);
await File.WriteAllBytesAsync(filePath, extractedFile, ct);
var fi = new FileInfo(filePath);
Func<DateTime> RandomDayFunc()
{
DateTime start = new DateTime(1995, 1, 1);
Random gen = new Random();
int range = (DateTime.Today - start).Days;
return () => start.AddDays(gen.Next(range));
}
fi.CreationTime = RandomDayFunc().Invoke();
fi.LastAccessTime = RandomDayFunc().Invoke();
fi.LastWriteTime = RandomDayFunc().Invoke();
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.Verbose("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.Verbose("New Token Created");
var filesToUpload = await _fileHub!.InvokeAsync<List<UploadFileDto>>("SendFiles", character.FileReplacements.Select(c => c.Hash).Distinct(), uploadToken);
IsUploading = true;
foreach (var file in filesToUpload.Where(f => f.IsForbidden == false))
{
await using var db = new FileCacheContext();
CurrentUploads[file.Hash] = (0, new FileInfo(db.FileCaches.First(f => f.Hash == file.Hash).Filepath).Length);
}
Logger.Verbose("Compressing and uploading files");
foreach (var file in filesToUpload)
{
Logger.Verbose("Compressing and uploading " + file);
var data = await GetCompressedFileData(file.Hash, uploadToken);
CurrentUploads[data.Item1] = (0, data.Item2.Length);
_ = UploadFile(data.Item2, file.Hash, uploadToken);
if (!uploadToken.IsCancellationRequested) continue;
Logger.Warn("Cancel in filesToUpload loop detected");
CurrentUploads.Clear();
break;
}
Logger.Verbose("Upload tasks complete, waiting for server to confirm");
var anyUploadsOpen = await _fileHub!.InvokeAsync<bool>("IsUploadFinished", uploadToken);
Logger.Verbose("Uploads open: " + anyUploadsOpen);
while (anyUploadsOpen && !uploadToken.IsCancellationRequested)
{
anyUploadsOpen = await _fileHub!.InvokeAsync<bool>("IsUploadFinished", uploadToken);
await Task.Delay(TimeSpan.FromSeconds(0.5), uploadToken);
Logger.Verbose("Waiting for uploads to finish");
}
CurrentUploads.Clear();
IsUploading = false;
if (!uploadToken.IsCancellationRequested)
{
Logger.Verbose("=== Pushing character data ===");
await _userHub!.InvokeAsync("PushCharacterData", character, visibleCharacterIds, uploadToken);
}
else
{
Logger.Warn("=== Upload operation was cancelled ===");
}
Logger.Verbose("Upload complete for " + character.Hash);
_uploadCancellationTokenSource = null;
}
public async Task<List<string>> GetOnlineCharacters()
{
return await _userHub!.InvokeAsync<List<string>>("GetOnlineCharacters");
}
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);
}
}
}