mirror of
https://github.com/sochix/TLSharp.git
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Added connection checks
Added connection checks, in order to see if the user is connected to the internet or not
This commit is contained in:
ferferga
GitHub
parent
c1ce5e25ba
commit
e9957bcc1c
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@ -1,88 +1,98 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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using TeleSharp.TL;
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using TeleSharp.TL.Account;
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using TeleSharp.TL.Auth;
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using TeleSharp.TL.Contacts;
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using TeleSharp.TL.Help;
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using TeleSharp.TL.Messages;
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using TeleSharp.TL.Upload;
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using TLSharp.Core.Auth;
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using TLSharp.Core.MTProto.Crypto;
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using TLSharp.Core.Network;
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using TLSharp.Core.Utils;
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using TLAuthorization = TeleSharp.TL.Auth.TLAuthorization;
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namespace TLSharp.Core
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{
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public class TelegramClient : IDisposable
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{
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private MtProtoSender _sender;
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private AuthKey _key;
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private TcpTransport _transport;
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private string _apiHash = "";
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private int _apiId = 0;
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private Session _session;
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private List<TLDcOption> dcOptions;
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private TcpClientConnectionHandler _handler;
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public TelegramClient(int apiId, string apiHash,
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ISessionStore store = null, string sessionUserId = "session", TcpClientConnectionHandler handler = null)
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{
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if (apiId == default(int))
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throw new MissingApiConfigurationException("API_ID");
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if (string.IsNullOrEmpty(apiHash))
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throw new MissingApiConfigurationException("API_HASH");
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if (store == null)
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store = new FileSessionStore();
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TLContext.Init();
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_apiHash = apiHash;
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_apiId = apiId;
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_handler = handler;
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_session = Session.TryLoadOrCreateNew(store, sessionUserId);
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_transport = new TcpTransport(_session.ServerAddress, _session.Port, _handler);
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}
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public async Task ConnectAsync(bool reconnect = false)
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{
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if (_session.AuthKey == null || reconnect)
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{
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var result = await Authenticator.DoAuthentication(_transport);
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_session.AuthKey = result.AuthKey;
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_session.TimeOffset = result.TimeOffset;
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}
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_sender = new MtProtoSender(_transport, _session);
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//set-up layer
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var config = new TLRequestGetConfig();
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var request = new TLRequestInitConnection()
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{
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ApiId = _apiId,
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AppVersion = "1.0.0",
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DeviceModel = "PC",
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LangCode = "en",
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Query = config,
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SystemVersion = "Win 10.0"
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};
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var invokewithLayer = new TLRequestInvokeWithLayer() { Layer = 66, Query = request };
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await _sender.Send(invokewithLayer);
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await _sender.Receive(invokewithLayer);
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dcOptions = ((TLConfig)invokewithLayer.Response).DcOptions.ToList();
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}
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private async Task ReconnectToDcAsync(int dcId)
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{
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if (dcOptions == null || !dcOptions.Any())
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throw new InvalidOperationException($"Can't reconnect. Establish initial connection first.");
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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using TeleSharp.TL;
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using TeleSharp.TL.Account;
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using TeleSharp.TL.Auth;
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using TeleSharp.TL.Contacts;
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using TeleSharp.TL.Help;
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using TeleSharp.TL.Messages;
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using TeleSharp.TL.Upload;
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using TLSharp.Core.Auth;
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using TLSharp.Core.MTProto.Crypto;
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using TLSharp.Core.Network;
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using TLSharp.Core.Utils;
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using TLAuthorization = TeleSharp.TL.Auth.TLAuthorization;
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namespace TLSharp.Core
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{
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public class TelegramClient : IDisposable
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{
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private MtProtoSender _sender;
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private AuthKey _key;
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private TcpTransport _transport;
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private string _apiHash = "";
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private int _apiId = 0;
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private Session _session;
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private List<TLDcOption> dcOptions;
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private TcpClientConnectionHandler _handler;
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public TelegramClient(int apiId, string apiHash, ISessionStore store = null, string sessionUserId = "session", TcpClientConnectionHandler handler = null)
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{
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try
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{
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if (apiId == default(int))
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throw new MissingApiConfigurationException("API_ID");
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if (string.IsNullOrEmpty(apiHash))
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throw new MissingApiConfigurationException("API_HASH");
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if (store == null)
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store = new FileSessionStore();
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TLContext.Init();
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_apiHash = apiHash;
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_apiId = apiId;
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_handler = handler;
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_session = Session.TryLoadOrCreateNew(store, sessionUserId);
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_transport = new TcpTransport(_session.ServerAddress, _session.Port, _handler);
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}
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catch
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{
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throw new Exception("Not connected to the internet");
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}
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}
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public async Task<bool> ConnectAsync(bool reconnect = false)
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{
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try
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{
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if (_session.AuthKey == null || reconnect)
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{
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var result = await Authenticator.DoAuthentication(_transport);
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_session.AuthKey = result.AuthKey;
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_session.TimeOffset = result.TimeOffset;
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}
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_sender = new MtProtoSender(_transport, _session);
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//set-up layer
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var config = new TLRequestGetConfig();
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var request = new TLRequestInitConnection()
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{
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ApiId = _apiId,
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AppVersion = "1.0.0",
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DeviceModel = "PC",
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LangCode = "en",
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Query = config,
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SystemVersion = "Win 10.0"
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};
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var invokewithLayer = new TLRequestInvokeWithLayer() { Layer = 66, Query = request };
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await _sender.Send(invokewithLayer);
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await _sender.Receive(invokewithLayer);
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dcOptions = ((TLConfig)invokewithLayer.Response).DcOptions.ToList();
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}
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catch
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{
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return false;
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}
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return true;
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}
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private async Task ReconnectToDcAsync(int dcId)
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{
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if (dcOptions == null || !dcOptions.Any())
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throw new InvalidOperationException($"Can't reconnect. Establish initial connection first.");
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TLExportedAuthorization exported = null;
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if (_session.TLUser != null)
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@ -90,13 +100,13 @@ namespace TLSharp.Core
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TLRequestExportAuthorization exportAuthorization = new TLRequestExportAuthorization() { DcId = dcId };
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exported = await SendRequestAsync<TLExportedAuthorization>(exportAuthorization);
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}
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var dc = dcOptions.First(d => d.Id == dcId);
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_transport = new TcpTransport(dc.IpAddress, dc.Port, _handler);
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_session.ServerAddress = dc.IpAddress;
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_session.Port = dc.Port;
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var dc = dcOptions.First(d => d.Id == dcId);
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_transport = new TcpTransport(dc.IpAddress, dc.Port, _handler);
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_session.ServerAddress = dc.IpAddress;
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_session.Port = dc.Port;
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await ConnectAsync(true);
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if (_session.TLUser != null)
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@ -104,214 +114,214 @@ namespace TLSharp.Core
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TLRequestImportAuthorization importAuthorization = new TLRequestImportAuthorization() { Id = exported.Id, Bytes = exported.Bytes };
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var imported = await SendRequestAsync<TLAuthorization>(importAuthorization);
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OnUserAuthenticated(((TLUser)imported.User));
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}
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}
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}
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}
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private async Task RequestWithDcMigration(TLMethod request)
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{
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if (_sender == null)
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if (_sender == null)
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throw new InvalidOperationException("Not connected!");
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var completed = false;
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while(!completed)
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{
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try
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{
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await _sender.Send(request);
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await _sender.Receive(request);
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completed = true;
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}
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catch(DataCenterMigrationException e)
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{
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await ReconnectToDcAsync(e.DC);
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// prepare the request for another try
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request.ConfirmReceived = false;
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}
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var completed = false;
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while(!completed)
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{
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try
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{
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await _sender.Send(request);
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await _sender.Receive(request);
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completed = true;
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}
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catch(DataCenterMigrationException e)
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{
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await ReconnectToDcAsync(e.DC);
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// prepare the request for another try
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request.ConfirmReceived = false;
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}
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}
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}
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public bool IsUserAuthorized()
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{
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return _session.TLUser != null;
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}
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public async Task<bool> IsPhoneRegisteredAsync(string phoneNumber)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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var authCheckPhoneRequest = new TLRequestCheckPhone() { PhoneNumber = phoneNumber };
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await RequestWithDcMigration(authCheckPhoneRequest);
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return authCheckPhoneRequest.Response.PhoneRegistered;
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}
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public async Task<string> SendCodeRequestAsync(string phoneNumber)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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var request = new TLRequestSendCode() { PhoneNumber = phoneNumber, ApiId = _apiId, ApiHash = _apiHash };
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await RequestWithDcMigration(request);
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return request.Response.PhoneCodeHash;
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}
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public async Task<TLUser> MakeAuthAsync(string phoneNumber, string phoneCodeHash, string code)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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if (String.IsNullOrWhiteSpace(phoneCodeHash))
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throw new ArgumentNullException(nameof(phoneCodeHash));
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if (String.IsNullOrWhiteSpace(code))
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throw new ArgumentNullException(nameof(code));
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}
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public bool IsUserAuthorized()
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{
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return _session.TLUser != null;
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}
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public async Task<bool> IsPhoneRegisteredAsync(string phoneNumber)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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var authCheckPhoneRequest = new TLRequestCheckPhone() { PhoneNumber = phoneNumber };
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await RequestWithDcMigration(authCheckPhoneRequest);
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return authCheckPhoneRequest.Response.PhoneRegistered;
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}
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public async Task<string> SendCodeRequestAsync(string phoneNumber)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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var request = new TLRequestSendCode() { PhoneNumber = phoneNumber, ApiId = _apiId, ApiHash = _apiHash };
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await RequestWithDcMigration(request);
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return request.Response.PhoneCodeHash;
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}
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public async Task<TLUser> MakeAuthAsync(string phoneNumber, string phoneCodeHash, string code)
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{
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if (String.IsNullOrWhiteSpace(phoneNumber))
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throw new ArgumentNullException(nameof(phoneNumber));
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if (String.IsNullOrWhiteSpace(phoneCodeHash))
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throw new ArgumentNullException(nameof(phoneCodeHash));
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if (String.IsNullOrWhiteSpace(code))
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throw new ArgumentNullException(nameof(code));
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var request = new TLRequestSignIn() { PhoneNumber = phoneNumber, PhoneCodeHash = phoneCodeHash, PhoneCode = code };
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await RequestWithDcMigration(request);
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OnUserAuthenticated(((TLUser)request.Response.User));
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return ((TLUser)request.Response.User);
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}
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public async Task<TLPassword> GetPasswordSetting()
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{
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var request = new TLRequestGetPassword();
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await RequestWithDcMigration(request);
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return ((TLPassword)request.Response);
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}
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public async Task<TLUser> MakeAuthWithPasswordAsync(TLPassword password, string password_str)
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{
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byte[] password_Bytes = Encoding.UTF8.GetBytes(password_str);
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IEnumerable<byte> rv = password.CurrentSalt.Concat(password_Bytes).Concat(password.CurrentSalt);
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SHA256Managed hashstring = new SHA256Managed();
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var password_hash = hashstring.ComputeHash(rv.ToArray());
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var request = new TLRequestCheckPassword() { PasswordHash = password_hash };
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await RequestWithDcMigration(request);
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OnUserAuthenticated(((TLUser)request.Response.User));
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return ((TLUser)request.Response.User);
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}
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public async Task<TLUser> SignUpAsync(string phoneNumber, string phoneCodeHash, string code, string firstName, string lastName)
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{
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var request = new TLRequestSignUp() { PhoneNumber = phoneNumber, PhoneCode = code, PhoneCodeHash = phoneCodeHash, FirstName = firstName, LastName = lastName };
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await RequestWithDcMigration(request);
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OnUserAuthenticated(((TLUser)request.Response.User));
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return ((TLUser)request.Response.User);
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}
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public async Task<T> SendRequestAsync<T>(TLMethod methodToExecute)
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{
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await RequestWithDcMigration(methodToExecute);
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var result = methodToExecute.GetType().GetProperty("Response").GetValue(methodToExecute);
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return (T)result;
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}
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public async Task<TLContacts> GetContactsAsync()
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{
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if (!IsUserAuthorized())
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throw new InvalidOperationException("Authorize user first!");
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var req = new TLRequestGetContacts() { Hash = "" };
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return await SendRequestAsync<TLContacts>(req);
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}
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public async Task<TLAbsUpdates> SendMessageAsync(TLAbsInputPeer peer, string message)
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{
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if (!IsUserAuthorized())
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throw new InvalidOperationException("Authorize user first!");
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return await SendRequestAsync<TLAbsUpdates>(
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new TLRequestSendMessage()
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{
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Peer = peer,
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Message = message,
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RandomId = Helpers.GenerateRandomLong()
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});
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}
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public async Task<Boolean> SendTypingAsync(TLAbsInputPeer peer)
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{
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var req = new TLRequestSetTyping()
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{
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Action = new TLSendMessageTypingAction(),
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Peer = peer
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};
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return await SendRequestAsync<Boolean>(req);
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}
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public async Task<TLAbsDialogs> GetUserDialogsAsync()
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{
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var peer = new TLInputPeerSelf();
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return await SendRequestAsync<TLAbsDialogs>(
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new TLRequestGetDialogs() { OffsetDate = 0, OffsetPeer = peer, Limit = 100 });
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}
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public async Task<TLAbsUpdates> SendUploadedPhoto(TLAbsInputPeer peer, TLAbsInputFile file, string caption)
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{
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return await SendRequestAsync<TLAbsUpdates>(new TLRequestSendMedia()
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{
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RandomId = Helpers.GenerateRandomLong(),
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Background = false,
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ClearDraft = false,
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Media = new TLInputMediaUploadedPhoto() { File = file, Caption = caption },
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Peer = peer
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});
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}
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public async Task<TLAbsUpdates> SendUploadedDocument(
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TLAbsInputPeer peer, TLAbsInputFile file, string caption, string mimeType, TLVector<TLAbsDocumentAttribute> attributes)
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{
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return await SendRequestAsync<TLAbsUpdates>(new TLRequestSendMedia()
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{
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RandomId = Helpers.GenerateRandomLong(),
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Background = false,
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ClearDraft = false,
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Media = new TLInputMediaUploadedDocument()
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{
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File = file,
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Caption = caption,
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MimeType = mimeType,
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Attributes = attributes
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},
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Peer = peer
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});
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}
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public async Task<TLFile> GetFile(TLAbsInputFileLocation location, int filePartSize, int offset = 0)
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{
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TLFile result = null;
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result = await SendRequestAsync<TLFile>(new TLRequestGetFile()
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{
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Location = location,
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Limit = filePartSize,
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Offset = offset
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});
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return result;
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}
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public async Task SendPingAsync()
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{
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await _sender.SendPingAsync();
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await RequestWithDcMigration(request);
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OnUserAuthenticated(((TLUser)request.Response.User));
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return ((TLUser)request.Response.User);
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}
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public async Task<TLPassword> GetPasswordSetting()
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{
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var request = new TLRequestGetPassword();
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await RequestWithDcMigration(request);
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return ((TLPassword)request.Response);
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}
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public async Task<TLUser> MakeAuthWithPasswordAsync(TLPassword password, string password_str)
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{
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byte[] password_Bytes = Encoding.UTF8.GetBytes(password_str);
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IEnumerable<byte> rv = password.CurrentSalt.Concat(password_Bytes).Concat(password.CurrentSalt);
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SHA256Managed hashstring = new SHA256Managed();
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var password_hash = hashstring.ComputeHash(rv.ToArray());
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var request = new TLRequestCheckPassword() { PasswordHash = password_hash };
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await RequestWithDcMigration(request);
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OnUserAuthenticated(((TLUser)request.Response.User));
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return ((TLUser)request.Response.User);
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}
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public async Task<TLUser> SignUpAsync(string phoneNumber, string phoneCodeHash, string code, string firstName, string lastName)
|
||||
{
|
||||
var request = new TLRequestSignUp() { PhoneNumber = phoneNumber, PhoneCode = code, PhoneCodeHash = phoneCodeHash, FirstName = firstName, LastName = lastName };
|
||||
|
||||
await RequestWithDcMigration(request);
|
||||
|
||||
OnUserAuthenticated(((TLUser)request.Response.User));
|
||||
|
||||
return ((TLUser)request.Response.User);
|
||||
}
|
||||
public async Task<T> SendRequestAsync<T>(TLMethod methodToExecute)
|
||||
{
|
||||
await RequestWithDcMigration(methodToExecute);
|
||||
|
||||
var result = methodToExecute.GetType().GetProperty("Response").GetValue(methodToExecute);
|
||||
|
||||
return (T)result;
|
||||
}
|
||||
|
||||
public async Task<TLContacts> GetContactsAsync()
|
||||
{
|
||||
if (!IsUserAuthorized())
|
||||
throw new InvalidOperationException("Authorize user first!");
|
||||
|
||||
var req = new TLRequestGetContacts() { Hash = "" };
|
||||
|
||||
return await SendRequestAsync<TLContacts>(req);
|
||||
}
|
||||
|
||||
public async Task<TLAbsUpdates> SendMessageAsync(TLAbsInputPeer peer, string message)
|
||||
{
|
||||
if (!IsUserAuthorized())
|
||||
throw new InvalidOperationException("Authorize user first!");
|
||||
|
||||
return await SendRequestAsync<TLAbsUpdates>(
|
||||
new TLRequestSendMessage()
|
||||
{
|
||||
Peer = peer,
|
||||
Message = message,
|
||||
RandomId = Helpers.GenerateRandomLong()
|
||||
});
|
||||
}
|
||||
|
||||
public async Task<Boolean> SendTypingAsync(TLAbsInputPeer peer)
|
||||
{
|
||||
var req = new TLRequestSetTyping()
|
||||
{
|
||||
Action = new TLSendMessageTypingAction(),
|
||||
Peer = peer
|
||||
};
|
||||
return await SendRequestAsync<Boolean>(req);
|
||||
}
|
||||
|
||||
public async Task<TLAbsDialogs> GetUserDialogsAsync()
|
||||
{
|
||||
var peer = new TLInputPeerSelf();
|
||||
return await SendRequestAsync<TLAbsDialogs>(
|
||||
new TLRequestGetDialogs() { OffsetDate = 0, OffsetPeer = peer, Limit = 100 });
|
||||
}
|
||||
|
||||
public async Task<TLAbsUpdates> SendUploadedPhoto(TLAbsInputPeer peer, TLAbsInputFile file, string caption)
|
||||
{
|
||||
return await SendRequestAsync<TLAbsUpdates>(new TLRequestSendMedia()
|
||||
{
|
||||
RandomId = Helpers.GenerateRandomLong(),
|
||||
Background = false,
|
||||
ClearDraft = false,
|
||||
Media = new TLInputMediaUploadedPhoto() { File = file, Caption = caption },
|
||||
Peer = peer
|
||||
});
|
||||
}
|
||||
|
||||
public async Task<TLAbsUpdates> SendUploadedDocument(
|
||||
TLAbsInputPeer peer, TLAbsInputFile file, string caption, string mimeType, TLVector<TLAbsDocumentAttribute> attributes)
|
||||
{
|
||||
return await SendRequestAsync<TLAbsUpdates>(new TLRequestSendMedia()
|
||||
{
|
||||
RandomId = Helpers.GenerateRandomLong(),
|
||||
Background = false,
|
||||
ClearDraft = false,
|
||||
Media = new TLInputMediaUploadedDocument()
|
||||
{
|
||||
File = file,
|
||||
Caption = caption,
|
||||
MimeType = mimeType,
|
||||
Attributes = attributes
|
||||
},
|
||||
Peer = peer
|
||||
});
|
||||
}
|
||||
|
||||
public async Task<TLFile> GetFile(TLAbsInputFileLocation location, int filePartSize, int offset = 0)
|
||||
{
|
||||
TLFile result = null;
|
||||
result = await SendRequestAsync<TLFile>(new TLRequestGetFile()
|
||||
{
|
||||
Location = location,
|
||||
Limit = filePartSize,
|
||||
Offset = offset
|
||||
});
|
||||
return result;
|
||||
}
|
||||
|
||||
public async Task SendPingAsync()
|
||||
{
|
||||
await _sender.SendPingAsync();
|
||||
}
|
||||
|
||||
public async Task<TLAbsMessages> GetHistoryAsync(TLAbsInputPeer peer, int offset, int max_id, int limit)
|
||||
|
|
@ -327,31 +337,31 @@ namespace TLSharp.Core
|
|||
Limit = limit
|
||||
};
|
||||
return await SendRequestAsync<TLAbsMessages>(req);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Serch user or chat. API: contacts.search#11f812d8 q:string limit:int = contacts.Found;
|
||||
/// </summary>
|
||||
/// <param name="q">User or chat name</param>
|
||||
/// <param name="limit">Max result count</param>
|
||||
/// <returns></returns>
|
||||
public async Task<TLFound> SearchUserAsync(string q, int limit = 10)
|
||||
{
|
||||
var r = new TeleSharp.TL.Contacts.TLRequestSearch
|
||||
{
|
||||
Q = q,
|
||||
Limit = limit
|
||||
};
|
||||
|
||||
return await SendRequestAsync<TLFound>(r);
|
||||
}
|
||||
|
||||
private void OnUserAuthenticated(TLUser TLUser)
|
||||
{
|
||||
_session.TLUser = TLUser;
|
||||
_session.SessionExpires = int.MaxValue;
|
||||
|
||||
_session.Save();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Serch user or chat. API: contacts.search#11f812d8 q:string limit:int = contacts.Found;
|
||||
/// </summary>
|
||||
/// <param name="q">User or chat name</param>
|
||||
/// <param name="limit">Max result count</param>
|
||||
/// <returns></returns>
|
||||
public async Task<TLFound> SearchUserAsync(string q, int limit = 10)
|
||||
{
|
||||
var r = new TeleSharp.TL.Contacts.TLRequestSearch
|
||||
{
|
||||
Q = q,
|
||||
Limit = limit
|
||||
};
|
||||
|
||||
return await SendRequestAsync<TLFound>(r);
|
||||
}
|
||||
|
||||
private void OnUserAuthenticated(TLUser TLUser)
|
||||
{
|
||||
_session.TLUser = TLUser;
|
||||
_session.SessionExpires = int.MaxValue;
|
||||
|
||||
_session.Save();
|
||||
}
|
||||
|
||||
public bool IsConnected
|
||||
|
|
@ -364,32 +374,32 @@ namespace TLSharp.Core
|
|||
}
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
if (_transport != null)
|
||||
{
|
||||
_transport.Dispose();
|
||||
_transport = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public class MissingApiConfigurationException : Exception
|
||||
{
|
||||
public const string InfoUrl = "https://github.com/sochix/TLSharp#quick-configuration";
|
||||
|
||||
internal MissingApiConfigurationException(string invalidParamName) :
|
||||
base($"Your {invalidParamName} setting is missing. Adjust the configuration first, see {InfoUrl}")
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
public class InvalidPhoneCodeException : Exception
|
||||
{
|
||||
internal InvalidPhoneCodeException(string msg) : base(msg) { }
|
||||
}
|
||||
public class CloudPasswordNeededException : Exception
|
||||
{
|
||||
internal CloudPasswordNeededException(string msg) : base(msg) { }
|
||||
}
|
||||
}
|
||||
public void Dispose()
|
||||
{
|
||||
if (_transport != null)
|
||||
{
|
||||
_transport.Dispose();
|
||||
_transport = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public class MissingApiConfigurationException : Exception
|
||||
{
|
||||
public const string InfoUrl = "https://github.com/sochix/TLSharp#quick-configuration";
|
||||
|
||||
internal MissingApiConfigurationException(string invalidParamName) :
|
||||
base($"Your {invalidParamName} setting is missing. Adjust the configuration first, see {InfoUrl}")
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
public class InvalidPhoneCodeException : Exception
|
||||
{
|
||||
internal InvalidPhoneCodeException(string msg) : base(msg) { }
|
||||
}
|
||||
public class CloudPasswordNeededException : Exception
|
||||
{
|
||||
internal CloudPasswordNeededException(string msg) : base(msg) { }
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue