send now has a priority and an 'init' parameter to denote stanzas that may be sent prior to session establishment.

sleekxmpp/__init__.py

@@ -165,6 +165,12 @@ class ClientXMPP(basexmpp, XMLStream):
 		self.sessionstarted = False
 		XMLStream.disconnect(self, reconnect, error)
 
+	def sendRaw(self, data, priority=5, init=False):
+		if not init and not self.sessionstarted:
+			logging.warn("Attempt to send stanza before session has started:\n%s", data)
+			return False
+		XMLStream.sendRaw(self, data, priority, init)
+	
 	def registerFeature(self, mask, pointer, breaker = False):
 		"""Register a stream feature."""
 		self.registered_features.append((MatchXMLMask(mask), pointer, breaker))
@@ -201,7 +207,7 @@ class ClientXMPP(basexmpp, XMLStream):
 			_stanza = "<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls' />"
 			if not self.event_handlers.get(_stanza,None): # don't add handler > once
 				self.add_handler( _stanza, self.handler_tls_start, instream=True )
-			self.sendPriorityRaw(self.tostring(xml))
+			self.sendRaw(self.tostring(xml), priority=1, init=True)
 			return True
 		else:
 			logging.warning("The module tlslite is required in to some servers, and has not been found.")
@@ -221,12 +227,16 @@ class ClientXMPP(basexmpp, XMLStream):
 			for sasl_mech in sasl_mechs:
 				self.features.append("sasl:%s" % sasl_mech.text)
 			if 'sasl:DIGEST-MD5' in self.features:
-				self.sendPriorityRaw("""<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='DIGEST-MD5'/>""")
+				self.sendRaw("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='DIGEST-MD5'/>", priority=1, init=True)
 			elif 'sasl:PLAIN' in self.features:
 				if sys.version_info < (3,0):
-					self.sendPriorityRaw("""<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>%s</auth>""" % base64.b64encode(b'\x00' + bytes(self.username) + b'\x00' + bytes(self.password)).decode('utf-8'))
+					self.sendRaw("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>%s</auth>" \
+							% base64.b64encode(b'\x00' + bytes(self.username) + b'\x00' + bytes(self.password)).decode('utf-8'), 
+							priority=1, init=True)
 				else:
-					self.sendPriorityRaw("""<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>%s</auth>""" % base64.b64encode(b'\x00' + bytes(self.username, 'utf-8') + b'\x00' + bytes(self.password, 'utf-8')).decode('utf-8'))
+					self.sendRaw("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>%s</auth>" \
+							% base64.b64encode(b'\x00' + bytes(self.username, 'utf-8') + b'\x00' + bytes(self.password, 'utf-8')).decode('utf-8'), 
+							priority=1, init=True)
 			else:
 				logging.error("No appropriate login method.")
 				self.disconnect()
@@ -235,14 +245,10 @@ class ClientXMPP(basexmpp, XMLStream):
 		return True
 	
 	def handler_sasl_digest_md5_auth(self, xml):
-		logging.debug(tostring(xml))
-		logging.debug(xml)
-		logging.debug(type(xml).__name__)
-		
 		if self.digest_auth_started == False:
 			challenge = [item.split('=', 1) for item in base64.b64decode(xml.text).replace("\"", "").split(',', 6) ]
 			challenge = dict(challenge)
-			logging.debug(challenge)
+            logging.debug("MD5 auth challenge: %s", challenge)
 			
 			#Realm, nonce, qop should all be present
 			if not challenge['realm'] or not challenge['qop'] or not challenge['nonce']:
@@ -259,8 +265,10 @@ class ClientXMPP(basexmpp, XMLStream):
 			a1 = b"%s:%s:%s" %(md5("%s:%s:%s" % (self.username, self.domain, self.password)), challenge["nonce"].encode("UTF-8"), cnonce.encode("UTF-8") )
 			a2 = "AUTHENTICATE:xmpp/%s" %self.domain
 			responseHash = md5digest("%s:%s:00000001:%s:auth:%s" %(md5digest(a1), challenge["nonce"], cnonce, md5digest(a2) ) )
-			response = '''charset=utf-8,username="%s",realm="%s",nonce="%s",nc=00000001,cnonce="%s",digest-uri="%s",response=%s,qop=%s,'''  %(self.username, self.domain, challenge["nonce"], cnonce, "xmpp/%s" % self.domain, responseHash, challenge["qop"])
-			self.sendPriorityRaw("""<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>%s</response>""" %base64.encodestring(response)[:-1])
+			response = 'charset=utf-8,username="%s",realm="%s",nonce="%s",nc=00000001,cnonce="%s",digest-uri="%s",response=%s,qop=%s,' \
+				% (self.username, self.domain, challenge["nonce"], cnonce, "xmpp/%s" % self.domain, responseHash, challenge["qop"])
+			self.sendRaw("<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>%s</response>" % base64.encodestring(response)[:-1],
+					priority=1, init=True )
 		else:
 			logging.warn("handler_sasl_digest_md5_auth called while digest_auth_started is True (has already begun)")
 	
@@ -287,7 +295,7 @@ class ClientXMPP(basexmpp, XMLStream):
 		res.text = self.resource
 		xml.append(res)
 		iq.append(xml)
-		response = iq.send()
+		response = iq.send(priority=2,init=True)
 		#response = self.send(iq, self.Iq(sid=iq['id']))
 		self.set_jid(response.xml.find('{urn:ietf:params:xml:ns:xmpp-bind}bind/{urn:ietf:params:xml:ns:xmpp-bind}jid').text)
 		self.bound = True
@@ -300,12 +308,12 @@ class ClientXMPP(basexmpp, XMLStream):
 	def handler_start_session(self, xml):
 		if self.authenticated and self.bound:
 			iq = self.makeIqSet(xml)
-			response = iq.send()
+			response = iq.send(priority=2,init=True)
 			logging.debug("Established Session")
 			self.sessionstarted = True
 			self.event("session_start")
 		else:
-			#bind probably hasn't happened yet
+			logging.warn("Bind has failed; not starting session!")
 			self.bindfail = True
 	
 	def _handleRoster(self, iq, request=False):

sleekxmpp/basexmpp.py

@@ -138,7 +138,7 @@ class basexmpp(object):
 		self.registerHandler(XMLCallback('add_handler_%s' % self.getNewId(), MatchXMLMask(mask), pointer, threaded, disposable, instream))
 	
 	def getId(self):
-		return "%x".upper() % self.id
+		return "%X" % self.id
 
 	def sendXML(self, data, mask=None, timeout=10):
 		return self.send(self.tostring(data), mask, timeout)

sleekxmpp/stanza/iq.py

@@ -67,11 +67,11 @@ class Iq(RootStanza):
 				self.xml.remove(child)
 		return self
 	
-	def send(self, block=True, timeout=10, priority=False):
+	def send(self, block=True, timeout=10, priority=5, init=False):
 		if block and self['type'] in ('get', 'set'):
 			waitfor = Waiter('IqWait_%s' % self['id'], MatcherId(self['id']))
 			self.stream.registerHandler(waitfor)
-			StanzaBase.send(self, priority)
+			StanzaBase.send(self, priority, init)
 			return waitfor.wait(timeout)
 		else:
-			return StanzaBase.send(self, priority)
+			return StanzaBase.send(self, priority, init)

sleekxmpp/xmlstream/stanzabase.py

@@ -383,7 +383,7 @@ class StanzaBase(ElementBase):
 	def exception(self, e):
 		logging.error(traceback.format_tb(e))
 	
-	def send(self, priority=False):
-		if priority: self.stream.sendPriorityRaw(self.__str__()) 
-		else: self.stream.sendRaw(self.__str__())
+	def send(self, priority=5, init=False):
+		self.stream.sendRaw(self.__str__(), priority, init) 
+		
 		

sleekxmpp/xmlstream/xmlstream.py

@@ -219,7 +219,7 @@ class XMLStream(object):
 		while not self.quit.is_set():
 			if not self.state.ensure('connected',wait=2, block_on_transition=True): continue
 			try:
-				self.sendPriorityRaw(self.stream_header)
+				self.sendRaw(self.stream_header, priority=0, init=True)
 				self.__readXML() # this loops until the stream is terminated.
 			except socket.timeout:
 				# TODO currently this will re-send a stream header if this exception occurs.  
@@ -299,12 +299,9 @@ class XMLStream(object):
 				reconnect = (self.should_reconnect and not self.quit.is_set())
 				self.disconnect(reconnect=reconnect, error=True)
 	
-	def sendRaw(self, data):
-		self.sendqueue.put((1, data))
-		return True
-	
-	def sendPriorityRaw(self, data):
-		self.sendqueue.put((0, data))
+	def sendRaw( self, data, priority=5, init=False ):
+		if not self.state.ensure('connected'): return False
+		self.sendqueue.put((priority, data))
 		return True
 	
 	def disconnect(self, reconnect=False, error=False):
@@ -316,7 +313,7 @@ class XMLStream(object):
 			logging.debug("Disconnecting...")
 			# don't send a footer on error; if the stream is already closed, 
 			# this won't get sent until the stream is re-initialized!
-			if not error: self.sendRaw(self.stream_footer) #send end of stream
+			if not error: self.sendRaw(self.stream_footer,init=True) #send end of stream
 			try:
 #				self.socket.shutdown(socket.SHUT_RDWR)
 				self.socket.close()