327 lines
9.2 KiB
Python
327 lines
9.2 KiB
Python
"""
|
|
SleekXMPP: The Sleek XMPP Library
|
|
Copyright (C) 2010 Nathanael C. Fritz, Lance J.T. Stout
|
|
This file is part of SleekXMPP.
|
|
|
|
See the file license.txt for copying permissio
|
|
"""
|
|
|
|
import logging
|
|
from . import base
|
|
from .. xmlstream.handler.callback import Callback
|
|
from .. xmlstream.matcher.xpath import MatchXPath
|
|
from .. xmlstream.stanzabase import ElementBase, ET, JID
|
|
from .. stanza.iq import Iq
|
|
|
|
class DiscoInfo(ElementBase):
|
|
namespace = 'http://jabber.org/protocol/disco#info'
|
|
name = 'query'
|
|
plugin_attrib = 'disco_info'
|
|
interfaces = set(('node', 'features', 'identities'))
|
|
|
|
def getFeatures(self):
|
|
features = []
|
|
featuresXML = self.xml.findall('{%s}feature' % self.namespace)
|
|
for feature in featuresXML:
|
|
features.append(feature.attrib['var'])
|
|
return features
|
|
|
|
def setFeatures(self, features):
|
|
self.delFeatures()
|
|
for name in features:
|
|
self.addFeature(name)
|
|
|
|
def delFeatures(self):
|
|
featuresXML = self.xml.findall('{%s}feature' % self.namespace)
|
|
for feature in featuresXML:
|
|
self.xml.remove(feature)
|
|
|
|
def addFeature(self, feature):
|
|
featureXML = ET.Element('{%s}feature' % self.namespace,
|
|
{'var': feature})
|
|
self.xml.append(featureXML)
|
|
|
|
def delFeature(self, feature):
|
|
featuresXML = self.xml.findall('{%s}feature' % self.namespace)
|
|
for featureXML in featuresXML:
|
|
if featureXML.attrib['var'] == feature:
|
|
self.xml.remove(featureXML)
|
|
|
|
def getIdentities(self):
|
|
ids = []
|
|
idsXML = self.xml.findall('{%s}identity' % self.namespace)
|
|
for idXML in idsXML:
|
|
idData = (idXML.attrib['category'],
|
|
idXML.attrib['type'],
|
|
idXML.attrib.get('name', ''))
|
|
ids.append(idData)
|
|
return ids
|
|
|
|
def setIdentities(self, ids):
|
|
self.delIdentities()
|
|
for idData in ids:
|
|
self.addIdentity(*idData)
|
|
|
|
def delIdentities(self):
|
|
idsXML = self.xml.findall('{%s}identity' % self.namespace)
|
|
for idXML in idsXML:
|
|
self.xml.remove(idXML)
|
|
|
|
def addIdentity(self, category, id_type, name=''):
|
|
idXML = ET.Element('{%s}identity' % self.namespace,
|
|
{'category': category,
|
|
'type': id_type,
|
|
'name': name})
|
|
self.xml.append(idXML)
|
|
|
|
def delIdentity(self, category, id_type, name=''):
|
|
idsXML = self.xml.findall('{%s}identity' % self.namespace)
|
|
for idXML in idsXML:
|
|
idData = (idXML.attrib['category'],
|
|
idXML.attrib['type'])
|
|
delId = (category, id_type)
|
|
if idData == delId:
|
|
self.xml.remove(idXML)
|
|
|
|
|
|
class DiscoItems(ElementBase):
|
|
namespace = 'http://jabber.org/protocol/disco#items'
|
|
name = 'query'
|
|
plugin_attrib = 'disco_items'
|
|
interfaces = set(('node', 'items'))
|
|
|
|
def getItems(self):
|
|
items = []
|
|
itemsXML = self.xml.findall('{%s}item' % self.namespace)
|
|
for item in itemsXML:
|
|
itemData = (item.attrib['jid'],
|
|
item.attrib.get('node'),
|
|
item.attrib.get('name'))
|
|
items.append(itemData)
|
|
return items
|
|
|
|
def setItems(self, items):
|
|
self.delItems()
|
|
for item in items:
|
|
self.addItem(*item)
|
|
|
|
def delItems(self):
|
|
itemsXML = self.xml.findall('{%s}item' % self.namespace)
|
|
for item in itemsXML:
|
|
self.xml.remove(item)
|
|
|
|
def addItem(self, jid, node='', name=''):
|
|
itemXML = ET.Element('{%s}item' % self.namespace, {'jid': jid})
|
|
if name:
|
|
itemXML.attrib['name'] = name
|
|
if node:
|
|
itemXML.attrib['node'] = node
|
|
self.xml.append(itemXML)
|
|
|
|
def delItem(self, jid, node=''):
|
|
itemsXML = self.xml.findall('{%s}item' % self.namespace)
|
|
for itemXML in itemsXML:
|
|
itemData = (itemXML.attrib['jid'],
|
|
itemXML.attrib.get('node', ''))
|
|
itemDel = (jid, node)
|
|
if itemData == itemDel:
|
|
self.xml.remove(itemXML)
|
|
|
|
|
|
class DiscoNode(object):
|
|
"""
|
|
Collection object for grouping info and item information
|
|
into nodes.
|
|
"""
|
|
def __init__(self, name):
|
|
self.name = name
|
|
self.info = DiscoInfo()
|
|
self.items = DiscoItems()
|
|
|
|
self.info['node'] = name
|
|
self.items['node'] = name
|
|
|
|
# This is a bit like poor man's inheritance, but
|
|
# to simplify adding information to the node we
|
|
# map node functions to either the info or items
|
|
# stanza objects.
|
|
#
|
|
# We don't want to make DiscoNode inherit from
|
|
# DiscoInfo and DiscoItems because DiscoNode is
|
|
# not an actual stanza, and doing so would create
|
|
# confusion and potential bugs.
|
|
|
|
self._map(self.items, 'items', ['get', 'set', 'del'])
|
|
self._map(self.items, 'item', ['add', 'del'])
|
|
self._map(self.info, 'identities', ['get', 'set', 'del'])
|
|
self._map(self.info, 'identity', ['add', 'del'])
|
|
self._map(self.info, 'features', ['get', 'set', 'del'])
|
|
self._map(self.info, 'feature', ['add', 'del'])
|
|
|
|
def isEmpty(self):
|
|
"""
|
|
Test if the node contains any information. Useful for
|
|
determining if a node can be deleted.
|
|
"""
|
|
ids = self.getIdentities()
|
|
features = self.getFeatures()
|
|
items = self.getItems()
|
|
|
|
if not ids and not features and not items:
|
|
return True
|
|
return False
|
|
|
|
def _map(self, obj, interface, access):
|
|
"""
|
|
Map functions of the form obj.accessInterface
|
|
to self.accessInterface for each given access type.
|
|
"""
|
|
interface = interface.title()
|
|
for access_type in access:
|
|
method = access_type + interface
|
|
if hasattr(obj, method):
|
|
setattr(self, method, getattr(obj, method))
|
|
|
|
|
|
class xep_0030(base.base_plugin):
|
|
"""
|
|
XEP-0030 Service Discovery
|
|
"""
|
|
|
|
def plugin_init(self):
|
|
self.xep = '0030'
|
|
self.description = 'Service Discovery'
|
|
|
|
self.xmpp.registerHandler(
|
|
Callback('Disco Items',
|
|
MatchXPath('{%s}iq/{%s}query' % (self.xmpp.default_ns,
|
|
DiscoItems.namespace)),
|
|
self.handle_item_query))
|
|
|
|
self.xmpp.registerHandler(
|
|
Callback('Disco Info',
|
|
MatchXPath('{%s}iq/{%s}query' % (self.xmpp.default_ns,
|
|
DiscoInfo.namespace)),
|
|
self.handle_info_query))
|
|
|
|
self.xmpp.stanzaPlugin(Iq, DiscoInfo)
|
|
self.xmpp.stanzaPlugin(Iq, DiscoItems)
|
|
|
|
self.xmpp.add_event_handler('disco_items_request', self.handle_disco_items)
|
|
self.xmpp.add_event_handler('disco_info_request', self.handle_disco_info)
|
|
|
|
self.nodes = {'main': DiscoNode('main')}
|
|
|
|
def add_node(self, node):
|
|
if node not in self.nodes:
|
|
self.nodes[node] = DiscoNode(node)
|
|
|
|
def del_node(self, node):
|
|
if node in self.nodes:
|
|
del self.nodes[node]
|
|
|
|
def handle_item_query(self, iq):
|
|
if iq['type'] == 'get':
|
|
logging.debug("Items requested by %s" % iq['from'])
|
|
self.xmpp.event('disco_items_request', iq)
|
|
elif iq['type'] == 'result':
|
|
logging.debug("Items result from %s" % iq['from'])
|
|
self.xmpp.event('disco_items', iq)
|
|
|
|
def handle_info_query(self, iq):
|
|
if iq['type'] == 'get':
|
|
logging.debug("Info requested by %s" % iq['from'])
|
|
self.xmpp.event('disco_info_request', iq)
|
|
elif iq['type'] == 'result':
|
|
logging.debug("Info result from %s" % iq['from'])
|
|
self.xmpp.event('disco_info', iq)
|
|
|
|
def handle_disco_info(self, iq, forwarded=False):
|
|
"""
|
|
A default handler for disco#info requests. If another
|
|
handler is registered, this one will defer and not run.
|
|
"""
|
|
handlers = self.xmpp.event_handlers['disco_info_request']
|
|
if not forwarded and len(handlers) > 1:
|
|
return
|
|
|
|
node_name = iq['disco_info']['node']
|
|
if not node_name:
|
|
node_name = 'main'
|
|
|
|
logging.debug("Using default handler for disco#info on node '%s'." % node_name)
|
|
|
|
if node_name in self.nodes:
|
|
node = self.nodes[node_name]
|
|
iq.reply().setPayload(node.info.xml).send()
|
|
else:
|
|
logging.debug("Node %s requested, but does not exist." % node_name)
|
|
iq.reply().error().setPayload(iq['disco_info'].xml)
|
|
iq['error']['code'] = '404'
|
|
iq['error']['type'] = 'cancel'
|
|
iq['error']['condition'] = 'item-not-found'
|
|
iq.send()
|
|
|
|
def handle_disco_items(self, iq, forwarded=False):
|
|
"""
|
|
A default handler for disco#items requests. If another
|
|
handler is registered, this one will defer and not run.
|
|
|
|
If this handler is called by your own custom handler with
|
|
forwarded set to True, then it will run as normal.
|
|
"""
|
|
handlers = self.xmpp.event_handlers['disco_items_request']
|
|
if not forwarded and len(handlers) > 1:
|
|
return
|
|
|
|
node_name = iq['disco_items']['node']
|
|
if not node_name:
|
|
node_name = 'main'
|
|
|
|
logging.debug("Using default handler for disco#items on node '%s'." % node_name)
|
|
|
|
if node_name in self.nodes:
|
|
node = self.nodes[node_name]
|
|
iq.reply().setPayload(node.items.xml).send()
|
|
else:
|
|
logging.debug("Node %s requested, but does not exist." % node_name)
|
|
iq.reply().error().setPayload(iq['disco_items'].xml)
|
|
iq['error']['code'] = '404'
|
|
iq['error']['type'] = 'cancel'
|
|
iq['error']['condition'] = 'item-not-found'
|
|
iq.send()
|
|
|
|
# Older interface methods for backwards compatibility
|
|
|
|
def getInfo(self, jid, node='', dfrom=None):
|
|
iq = self.xmpp.Iq()
|
|
iq['type'] = 'get'
|
|
iq['to'] = jid
|
|
iq['from'] = dfrom
|
|
iq['disco_info']['node'] = node
|
|
return iq.send()
|
|
|
|
def getItems(self, jid, node='', dfrom=None):
|
|
iq = self.xmpp.Iq()
|
|
iq['type'] = 'get'
|
|
iq['to'] = jid
|
|
iq['from'] = dfrom
|
|
iq['disco_items']['node'] = node
|
|
return iq.send()
|
|
|
|
def add_feature(self, feature, node='main'):
|
|
self.add_node(node)
|
|
self.nodes[node].addFeature(feature)
|
|
|
|
def add_identity(self, category='', itype='', name='', node='main'):
|
|
self.add_node(node)
|
|
self.nodes[node].addIdentity(category=category,
|
|
id_type=itype,
|
|
name=name)
|
|
|
|
def add_item(self, jid=None, name='', node='main', subnode=''):
|
|
self.add_node(node)
|
|
self.add_node(subnode)
|
|
if jid is None:
|
|
jid = self.xmpp.fulljid
|
|
self.nodes[node].addItem(jid=jid, name=name, node=subnode)
|