private IPEndPoint ConnectToDispathServer()
{
MessengerSocket socketP = new MessengerSocket();
//socket.AutoFlush = false;
#region Request
//Request this Data!
PackageRequest[] request = new PackageRequest[]
{
new VersionRequest(),
new MachineInfoRequest(this.Account),
new AuthenticationRequest(this.Account)
};
//Get responses from the server!
Dictionary <int, PackageTransaction> responses = socketP.SendRangeAndBlock(request);
#endregion
#region Parse Responses if Any
//Agora que temos as respostas vamos verificar se estão correctas!
//Seja em quantidade, seja em 'qualidade'...
if (responses.Count != 3)
{
throw new MessengerException("Unable to receive one or more responses from the server");
}
//Responses!
VersionResponse version = responses[request[0].TransactionID].Response as VersionResponse;
MachineInfoResponse machine = responses[request[1].TransactionID].Response as MachineInfoResponse;
DispatchServerRedirectionResponse redirection = responses[request[2].TransactionID].Response as DispatchServerRedirectionResponse;
//Verificar se recebemos as respostas certas!
version.NotNull <VersionResponse, MessengerProtocolException>("Unexpected response");
machine.NotNull <MachineInfoResponse, MessengerProtocolException>("Unexpected response");
redirection.NotNull <DispatchServerRedirectionResponse, MessengerProtocolException>("Unexpected response");
//Verificar se é uma versão suportada do protocolo!
version.Protocols.MustContainElement <string, MessengerProtocolException>("MSNP15", "Unsupported Protocol");
//Verificar se o nosso cliente ainda é aceitável!
if ((request[1] as MachineInfoRequest).ClientVersion < machine.MinimumSafeVersion)
{
//Ignore! We are not a client! We are just the libraries!
//throw new Exception("Unsupported client");
}
#endregion
return(redirection.Host);
}
private void Authenticate(IPEndPoint host, int attemptsP)
{
this.socket = new MessengerSocket(host)
{
AutoFlush = false
};
//Agora que estamos ligados ao Notification Server vamos começar o processo de autenticação!!!
#region Request
//Request this Data!
PackageRequest[] request = new PackageRequest[]
{
new VersionRequest(),
new MachineInfoRequest(this.Account),
new AuthenticationRequest(this.Account)
};
//Get responses from the server!
Dictionary <int, PackageTransaction> responses = this.socket.SendRangeAndBlock(request);
#endregion
#region Parse Responses if Any
//Agora que temos as respostas vamos verificar se estão correctas!
//Seja em quantidade, seja em 'qualidade'...
if (responses.Count != 3)
{
throw new MessengerException("Unable to receive one or more responses from the server");
}
//Responses!
VersionResponse version = responses[request[0].TransactionID].Response as VersionResponse;
MachineInfoResponse machine = responses[request[1].TransactionID].Response as MachineInfoResponse;
AuthenticationResponse authentication = responses[request[2].TransactionID].Response as AuthenticationResponse;
//Verificar se recebemos as respostas certas!
version.NotNull <VersionResponse, MessengerProtocolException>("Unexpected response");
machine.NotNull <MachineInfoResponse, MessengerProtocolException>("Unexpected response");
if (authentication == null)
{
//Vamos ver se fomos redirecionados para outro servidor!
DispatchServerRedirectionResponse redirection = responses[request[2].TransactionID].Response as DispatchServerRedirectionResponse;
redirection.NotNull <DispatchServerRedirectionResponse, MessengerProtocolException>("Unexpected response");
//Caso tenhamos sido redireccionados novamente!
//Vamos tentar autenticação ai!
if (attemptsP >= 0)
{
this.Authenticate(redirection.Host, attemptsP - 1);
}
return;
}
//Verificar se é uma versão suportada do protocolo!
version.Protocols.MustContainElement <string, MessengerProtocolException>("MSNP15", "Unsupported Protocol");
//Verificar se o nosso cliente ainda é aceitável!
if ((request[1] as MachineInfoRequest).ClientVersion < machine.MinimumSafeVersion)
{
//Ignore! We are not a client! We are just the libraries!
//throw new Exception("Unsupported client");
}
#endregion
//Como chegamos até aqui
//Temos confiança que podemos prosseguir com a autenticação!
#region Request Credentials
//Vamos obter as nossas credenciais!
//E neste caso vamos obter credencias para todos os serviços!
PassportRequest pr = new PassportRequest(this.Account, this.Password, authentication.Policy);
this.Credentials = pr.RequestCredentials();
#endregion
//Agora que temos as credenciais!
//Vamos POR FIM tentar o 'passo final' de autenticação
#region Validade Credentials
const string authDomain = "messengerclear.live.com";
if (!this.Credentials.ContainsKey(authDomain))
{
throw new MessengerAuthenticationException("Could not retrieve Credentials");
}
string securityToken = this.Credentials[authDomain].SecurityToken;
string binarySecret = this.Credentials[authDomain].BinarySecret;
securityToken.NotEmpty <MessengerAuthenticationException>("Could not retrieve Credentials");
binarySecret.NotEmpty <MessengerAuthenticationException>("Could not retrieve Credentials");
string finalTicket = MessengerSocket.CalculateMBIResponse(binarySecret, authentication.Nonce);
#endregion
#region Final Request
request = new PackageRequest[]
{
new AuthenticationRequest(true, string.Format("{0} {1}", securityToken, finalTicket))
};
//Get response from the server!
responses = this.socket.SendRangeAndBlock(request);
#endregion
#region Final Parse Responses If Any
//Agora que temos as respostas vamos verificar se estão correctas!
//Seja em quantidade, seja em 'qualidade'...
if (responses.Count != 1)
{
throw new MessengerException("Unable to receive response from the server");
}
//Responses!
AuthenticationAchievedResponse authenticatedGranted = responses[request[0].TransactionID].Response as AuthenticationAchievedResponse;
authenticatedGranted.NotNull <AuthenticationAchievedResponse, MessengerProtocolException>("Unexpected response");
#endregion
//Hacker lingo!
//We are in!
}