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"""
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 self.features.has_key(node):
self.features[node] = []
self.features[node].append(feature)
def add_identity(self, category=None, itype=None, name=None, node='main'):
if not self.identities.has_key(node):
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 self.items.has_key(node):
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'] = self.xmpp.fulljid
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'] = self.xmpp.fulljid
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'] = self.xmpp.fulljid
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 self.xmpp.send(iq, "<iq id='%s' />" % iq.get('id'))
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 self.xmpp.send(iq, self.xmpp.makeIq(iq.get('id')))
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
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