""" SleekXMPP: The Sleek XMPP Library Copyright (C) 2007 Nathanael C. Fritz This file is part of SleekXMPP. SleekXMPP is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. SleekXMPP is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with SleekXMPP; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA """ from . import base import logging from xml.etree import cElementTree as ET class xep_0030(base.base_plugin): """ XEP-0030 Service Discovery """ def plugin_init(self): self.xep = '0030' self.description = 'Service Discovery' self.features = {'main': ['http://jabber.org/protocol/disco#info', 'http://jabber.org/protocol/disco#items']} self.identities = {'main': [{'category': 'client', 'type': 'pc', 'name': 'SleekXMPP'}]} self.items = {'main': []} self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='http://jabber.org/protocol/disco#info' /></iq>" % self.xmpp.default_ns, self.info_handler) self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='http://jabber.org/protocol/disco#items' /></iq>" % self.xmpp.default_ns, self.item_handler) def add_feature(self, feature, node='main'): if not node in self.features: self.features[node] = [] self.features[node].append(feature) def add_identity(self, category=None, itype=None, name=None, node='main'): if not node in self.identities: self.identities[node] = [] self.identities[node].append({'category': category, 'type': itype, 'name': name}) def add_item(self, jid=None, name=None, node='main', subnode=''): if not node in self.items: self.items[node] = [] self.items[node].append({'jid': jid, 'name': name, 'node': subnode}) def info_handler(self, xml): logging.debug("Info request from %s" % xml.get('from', '')) iq = self.xmpp.makeIqResult(xml.get('id', self.xmpp.getNewId())) iq.attrib['from'] = xml.get('to') iq.attrib['to'] = xml.get('from', self.xmpp.server) query = xml.find('{http://jabber.org/protocol/disco#info}query') node = query.get('node', 'main') for identity in self.identities.get(node, []): idxml = ET.Element('identity') for attrib in identity: if identity[attrib]: idxml.attrib[attrib] = identity[attrib] query.append(idxml) for feature in self.features.get(node, []): featxml = ET.Element('feature') featxml.attrib['var'] = feature query.append(featxml) iq.append(query) #print ET.tostring(iq) self.xmpp.send(iq) def item_handler(self, xml): logging.debug("Item request from %s" % xml.get('from', '')) iq = self.xmpp.makeIqResult(xml.get('id', self.xmpp.getNewId())) iq.attrib['from'] = xml.get('to') iq.attrib['to'] = xml.get('from', self.xmpp.server) query = self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#items').find('{http://jabber.org/protocol/disco#items}query') node = xml.find('{http://jabber.org/protocol/disco#items}query').get('node', 'main') for item in self.items.get(node, []): itemxml = ET.Element('item') itemxml.attrib = item if itemxml.attrib['jid'] is None: itemxml.attrib['jid'] = xml.get('to') query.append(itemxml) self.xmpp.send(iq) def getItems(self, jid, node=None): iq = self.xmpp.makeIqGet() iq.attrib['from'] = self.xmpp.fulljid iq.attrib['to'] = jid self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#items') if node: iq.find('{http://jabber.org/protocol/disco#items}query').attrib['node'] = node return iq.send() def getInfo(self, jid, node=None): iq = self.xmpp.makeIqGet() iq.attrib['from'] = self.xmpp.fulljid iq.attrib['to'] = jid self.xmpp.makeIqQuery(iq, 'http://jabber.org/protocol/disco#info') if node: iq.find('{http://jabber.org/protocol/disco#info}query').attrib['node'] = node return iq.send() def parseInfo(self, xml): result = {'identity': {}, 'feature': []} for identity in xml.findall('{http://jabber.org/protocol/disco#info}query/{{http://jabber.org/protocol/disco#info}identity'): result['identity'][identity['name']] = identity.attrib for feature in xml.findall('{http://jabber.org/protocol/disco#info}query/{{http://jabber.org/protocol/disco#info}feature'): result['feature'].append(feature.get('var', '__unknown__')) return result