Facebook XMPP

Magnus Henoch <[email protected]> Mon, 13 Jun 2016 20:06:04 +0100

Newsgroups	gmane.network.jabber.devel
Message-ID	<[email protected]>

Hi all,

I haven't been able to use the Facebook XMPP interface for a 
while.  It still listens on port 5222 on chat.facebook.com, and 
STARTTLS negotiation succeeds, and then it offers two SASL 
mechanisms, X-FACEBOOK-PLATFORM and PLAIN.  My client only 
implements PLAIN, so that's what it chooses.  Even though I'm sure 
I'm typing the right password, I get a not-authorized error.

Before I bother trying to implement X-FACEBOOK-PLATFORM, I'd like 
to ask: is this working for anyone else?  Or was the XMPP server 
just left running, without being able to do anything useful?

I attached the XML trace, in case it's enlightening.

Regards,
Magnus

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facebook.xml (text/plain, 1.7 KB)

<!-- sending@2016-06-13T19:00:43Z: -->
<?xml version='1.0'?><stream:stream to='chat.facebook.com' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>

<!-- receive@2016-06-13T19:00:44Z: -->
<stream:stream from="chat.facebook.com" id="1" version="1.0" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" xml:lang="en"/>
<!-- receive@2016-06-13T19:00:44Z: -->
<stream:features>
  <starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>
  <mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
    <mechanism>X-FACEBOOK-PLATFORM</mechanism>
    <mechanism>PLAIN</mechanism>
  </mechanisms>
</stream:features>
<!-- sending@2016-06-13T19:00:44Z: -->
<starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>
<!-- receive@2016-06-13T19:00:44Z: -->
<proceed xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>
<!-- sending@2016-06-13T19:00:44Z: -->
<?xml version='1.0'?><stream:stream to='chat.facebook.com' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>

<!-- receive@2016-06-13T19:00:44Z: -->
<stream:stream from="chat.facebook.com" id="1" version="1.0" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" xml:lang="en"/>
<!-- receive@2016-06-13T19:00:44Z: -->
<stream:features>
  <mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
    <mechanism>X-FACEBOOK-PLATFORM</mechanism>
    <mechanism>PLAIN</mechanism>
  </mechanisms>
</stream:features>
<!-- sending@2016-06-13T19:00:48Z: -->
<auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="PLAIN">xxx</auth>
<!-- receive@2016-06-13T19:00:48Z: -->
<failure xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
  <not-authorized/>
  <text>plain login failed</text>
</failure>
<!-- + -->