plugins XEP-0048, XEP-0049: feature is not checked anymore before using private XML storage, as feature announcement is not mandatory in XEP-0049

src/plugins/plugin_xep_0049.py

@@ -19,7 +19,6 @@
 
 from sat.core.i18n import _
 from logging import debug, info, error, warning
-from twisted.internet import defer
 from wokkel import compat
 from twisted.words.xish import domish
 
@@ -44,7 +43,6 @@ class XEP_0049(object):
         info(_("Plugin XEP-0049 initialization"))
         self.host = host
 
-    @defer.inlineCallbacks
     def privateXMLStore(self, element, profile_key):
         """Store private data
         @param element: domish.Element to store (must have a namespace)
@@ -53,13 +51,12 @@ class XEP_0049(object):
         """
         assert isinstance(element, domish.Element)
         client = self.host.getClient(profile_key)
-        yield self.host.checkFeature(XEP_0049.NS_PRIVATE, profile_key=client.profile)
+        # XXX: feature announcement in disco#info is not mandatory in XEP-0049, so we have to try to use private XML, and react according to the answer
         iq_elt = compat.IQ(client.xmlstream)
         query_elt = iq_elt.addElement('query', XEP_0049.NS_PRIVATE)
         query_elt.addChild(element)
-        yield iq_elt.send()
+        return iq_elt.send()
 
-    @defer.inlineCallbacks
     def privateXMLGet(self, node_name, namespace, profile_key):
         """Store private data
         @param node_name: name of the node to get
@@ -69,11 +66,14 @@ class XEP_0049(object):
 
         """
         client = self.host.getClient(profile_key)
-        yield self.host.checkFeature(XEP_0049.NS_PRIVATE, profile_key=client.profile)
+        # XXX: see privateXMLStore note about feature checking
         iq_elt = compat.IQ(client.xmlstream, 'get')
         query_elt = iq_elt.addElement('query', XEP_0049.NS_PRIVATE)
         query_elt.addElement(node_name, namespace)
-        answer_iq_elt = yield iq_elt.send()
-        answer_query_elt = answer_iq_elt.elements(XEP_0049.NS_PRIVATE, 'query').next()
-        defer.returnValue(answer_query_elt.firstChildElement())
+        def getCb(answer_iq_elt):
+            answer_query_elt = answer_iq_elt.elements(XEP_0049.NS_PRIVATE, 'query').next()
+            return answer_query_elt.firstChildElement()
+        d = iq_elt.send()
+        d.addCallback(getCb)
+        return d