public static async Task <bool> IsPhoneRegisteredAsync(this ITelegramClient client, string phoneNumber)
{
Guard.That(phoneNumber, nameof(phoneNumber)).IsNotNullOrWhiteSpace();
var authCheckPhoneRequest = new TlRequestCheckPhone {
PhoneNumber = phoneNumber
};
var completed = false;
while (!completed)
{
try
{
await client.SendRequestAsync <TlRequestCheckPhone>(authCheckPhoneRequest);
completed = true;
}
catch (PhoneMigrationException e)
{
await client.ReconnectToDcAsync(e.Dc);
}
}
return(authCheckPhoneRequest.Response.PhoneRegistered);
}
public static async Task <string> SendCodeRequestAsync(this ITelegramClient client, string phoneNumber)
{
Guard.That(phoneNumber, nameof(phoneNumber)).IsNotNullOrWhiteSpace();
var completed = false;
var clientSettings = client.GetSettings();
var request = new TlRequestSendCode {
PhoneNumber = phoneNumber, ApiId = clientSettings.AppId, ApiHash = clientSettings.AppHash
};
while (!completed)
{
try
{
await client.SendRequestAsync <TlSentCode>(request);
completed = true;
}
catch (PhoneMigrationException ex)
{
await client.ReconnectToDcAsync(ex.Dc);
}
}
return(request.Response.PhoneCodeHash);
}
public static async Task <TlFile> GetFile(this ITelegramClient client, TlAbsInputFileLocation location, int filePartSize, int offset = 0)
{
try
{
return(await client.SendRequestAsync <TlFile>(new TlRequestGetFile
{
Location = location,
Limit = filePartSize,
Offset = offset
}));
}
catch (FileMigrationException ex)
{
var exportedAuth =
await client.SendRequestAsync <TlExportedAuthorization>(new TlRequestExportAuthorization { DcId = ex.Dc });
var clientSettings = client.GetSettings();
Guard.That(clientSettings).IsNotNull();
Guard.That(clientSettings.Session).IsNotNull();
var authKey = clientSettings.Session.AuthKey;
var timeOffset = clientSettings.Session.TimeOffset;
var serverAddress = clientSettings.Session.ServerAddress;
var serverPort = clientSettings.Session.Port;
await client.ReconnectToDcAsync(ex.Dc);
await client.SendRequestAsync <TlAuthorization>(new TlRequestImportAuthorization
{
Bytes = exportedAuth.Bytes,
Id = exportedAuth.Id
});
var result = await client.GetFile(location, filePartSize, offset);
clientSettings.Session.AuthKey = authKey;
clientSettings.Session.TimeOffset = timeOffset;
clientSettings.Session.ServerAddress = serverAddress;
clientSettings.Session.Port = serverPort;
await client.ConnectAsync();
return(result);
}
}