def __init__(self, jid, password, resource, avatars=None):
super(TlenStream, self).__init__()
self.session_id = None
self.uplink = None
# Set by adapt.incoming_avatar
self.avatar_token = None
self.jid = jid
self.resource = adapt.tlen_encode(resource)
self._password = password
self._transport = GeventTransport()
self._stream_reader = StreamReader(self)
self._avatars = avatars
self._closed = False
self._authenticated = gevent.event.Event()
self.blocklist = BlockList(self.jid.as_string())
class TlenStream(XMLStreamHandler):
def __init__(self, jid, password, resource, avatars=None):
super(TlenStream, self).__init__()
self.session_id = None
self.uplink = None
# Set by adapt.incoming_avatar
self.avatar_token = None
self.jid = jid
self.resource = adapt.tlen_encode(resource)
self._password = password
self._transport = GeventTransport()
self._stream_reader = StreamReader(self)
self._avatars = avatars
self._closed = False
self._authenticated = gevent.event.Event()
self.blocklist = BlockList(self.jid.as_string())
def wait_for_auth(self):
"""
Wait until self._authenticated event is signalled, or
a timeout occurs.
Return True if auth succeeded, False otherwise.
"""
try:
self._authenticated.wait(30)
if self._closed:
return False
else:
gevent.spawn(self._pinger)
return True
except gevent.Timeout:
return False
@property
def authenticated(self):
return self._authenticated.is_set()
def start(self):
gevent.spawn(self.connect)
def connect(self):
if not self._transport.connect(self._connected):
self._closed = True
self._transport.close()
def close(self):
self._transport.send("</s>")
self._closed = True
self._transport.close()
self.uplink.close()
self.uplink = None
def send(self, data):
if isinstance(data, Stanza):
data = adapt.outgoing_stanza(data)
data = data.serialize()
logger.debug("client send %s", data)
self._transport.send(data)
def _pinger(self):
# XXX: Race condition? Dunno how gevent handles this internally
while True:
gevent.sleep(30)
if self._closed:
break
try:
self._transport.send(" ")
except Exception as e:
logger.error("Tlen transport error: %s", e)
self.close()
break
def _loop(self):
logger.debug("loop")
while not self._closed:
data = self._transport.recv()
logger.debug("data=%s", data)
if not data:
break
try:
self._stream_reader.feed(data)
except Exception as e:
logger.error("Tlen error: %s", exc_info=sys.exc_info())
break
logger.debug("tlen loop done")
if self.uplink:
# Close the other side (XMPP client)
self.uplink.close()
# Lose the ref
self.uplink = None
def _connected(self):
logger.debug("connected")
self._transport.send('<s v="9" t="7">')
self._loop()
def _auth_digest(self):
magic1 = 0x50305735
magic2 = 0x12345671
s = 7
for c in self._password:
if c in (" ", "\t"):
continue
magic1 ^= (((magic1 & 0x3F) + s) * ord(c)) + (magic1 << 8)
magic2 += (magic2 << 8) ^ magic1
s += ord(c)
magic1 &= 0x7FFFFFFF
magic2 &= 0x7FFFFFFF
code = "%08x%08x" % (magic1, magic2)
sha1 = sha.new(self.session_id + code)
return sha1.hexdigest()
def _uplink_element(self, element):
# logger.debug('uplink %s', element)
# The element processing might be deferred
if element is None:
return
element = self._add_namespaces(element)
self.uplink.send(stanza_factory(element))
def _add_namespaces(self, element):
if element.tag[0] != "{":
element.tag = constants.STANZA_CLIENT_QNP + element.tag
for sub in element:
logging.debug("fixing %s", sub)
if not sub.tag:
continue
if sub.tag[0] != "{":
sub.tag = constants.STANZA_CLIENT_QNP + sub.tag
return element
#
# XMLStreamHandler API
#
def stream_start(self, element):
self.session_id = element.get("i")
# Authorize with the Tlen server; this is tlen-specific,
# and can't be handled the usual XMPP way.
xml = '<iq type="set" id="%s"><query xmlns="jabber:iq:auth">'
xml += "<username>%s</username><digest>%s</digest><resource>%s</resource>"
xml += "<host>tlen.pl</host></query></iq>"
xml = xml % (self.session_id, self.jid.local, self._auth_digest(), self.resource)
self.send(xml)
def stream_element(self, element):
if self.authenticated:
element = adapt.incoming_element(self, element)
self._uplink_element(element)
else:
if element.tag != "iq":
raise TlenAuthError("Unexpected server response: " + stanza.serialize())
typ = element.get("type")
if typ == "result":
self._authenticated.set()
else:
logger.warning("Tlen server denied authentication (account: %s)", self.jid.as_string())
self.close()
def stream_end(self):
self._closed = True
self._transport.close()
