""" SleekXMPP: The Sleek XMPP Library Copyright (C) 2010 Nathanael C. Fritz This file is part of SleekXMPP. See the file LICENSE for copying permission. """ from __future__ import with_statement, unicode_literals import sys import copy import logging import sleekxmpp from sleekxmpp import plugins from sleekxmpp.stanza import Message, Presence, Iq, Error from sleekxmpp.stanza.roster import Roster from sleekxmpp.stanza.nick import Nick from sleekxmpp.stanza.htmlim import HTMLIM from sleekxmpp.xmlstream import XMLStream, JID, tostring from sleekxmpp.xmlstream import ET, register_stanza_plugin from sleekxmpp.xmlstream.matcher import * from sleekxmpp.xmlstream.handler import * log = logging.getLogger(__name__) # In order to make sure that Unicode is handled properly # in Python 2.x, reset the default encoding. if sys.version_info < (3, 0): reload(sys) sys.setdefaultencoding('utf8') class BaseXMPP(XMLStream): """ The BaseXMPP class adapts the generic XMLStream class for use with XMPP. It also provides a plugin mechanism to easily extend and add support for new XMPP features. Attributes: auto_authorize -- Manage automatically accepting roster subscriptions. auto_subscribe -- Manage automatically requesting mutual subscriptions. is_component -- Indicates if this stream is for an XMPP component. jid -- The XMPP JID for this stream. plugin -- A dictionary of loaded plugins. plugin_config -- A dictionary of plugin configurations. plugin_whitelist -- A list of approved plugins. sentpresence -- Indicates if an initial presence has been sent. roster -- A dictionary containing subscribed JIDs and their presence statuses. Methods: Iq -- Factory for creating an Iq stanzas. Message -- Factory for creating Message stanzas. Presence -- Factory for creating Presence stanzas. get -- Return a plugin given its name. make_iq -- Create and initialize an Iq stanza. make_iq_error -- Create an Iq stanza of type 'error'. make_iq_get -- Create an Iq stanza of type 'get'. make_iq_query -- Create an Iq stanza with a given query. make_iq_result -- Create an Iq stanza of type 'result'. make_iq_set -- Create an Iq stanza of type 'set'. make_message -- Create and initialize a Message stanza. make_presence -- Create and initialize a Presence stanza. make_query_roster -- Create a roster query. process -- Overrides XMLStream.process. register_plugin -- Load and configure a plugin. register_plugins -- Load and configure multiple plugins. send_message -- Create and send a Message stanza. send_presence -- Create and send a Presence stanza. send_presence_subscribe -- Send a subscription request. """ def __init__(self, default_ns='jabber:client'): """ Adapt an XML stream for use with XMPP. Arguments: default_ns -- Ensure that the correct default XML namespace is used during initialization. """ XMLStream.__init__(self) # To comply with PEP8, method names now use underscores. # Deprecated method names are re-mapped for backwards compatibility. self.registerPlugin = self.register_plugin self.makeIq = self.make_iq self.makeIqGet = self.make_iq_get self.makeIqResult = self.make_iq_result self.makeIqSet = self.make_iq_set self.makeIqError = self.make_iq_error self.makeIqQuery = self.make_iq_query self.makeQueryRoster = self.make_query_roster self.makeMessage = self.make_message self.makePresence = self.make_presence self.sendMessage = self.send_message self.sendPresence = self.send_presence self.sendPresenceSubscription = self.send_presence_subscription self.default_ns = default_ns self.stream_ns = 'http://etherx.jabber.org/streams' self.boundjid = JID("") self.plugin = {} self.roster = {} self.is_component = False self.auto_authorize = True self.auto_subscribe = True self.sentpresence = False self.register_handler( Callback('IM', MatchXPath('{%s}message/{%s}body' % (self.default_ns, self.default_ns)), self._handle_message)) self.register_handler( Callback('Presence', MatchXPath("{%s}presence" % self.default_ns), self._handle_presence)) self.add_event_handler('presence_subscribe', self._handle_subscribe) self.add_event_handler('disconnected', self._handle_disconnected) # Set up the XML stream with XMPP's root stanzas. self.registerStanza(Message) self.registerStanza(Iq) self.registerStanza(Presence) # Initialize a few default stanza plugins. register_stanza_plugin(Iq, Roster) register_stanza_plugin(Message, Nick) register_stanza_plugin(Message, HTMLIM) def process(self, *args, **kwargs): """ Ensure that plugin inter-dependencies are handled before starting event processing. Overrides XMLStream.process. """ for name in self.plugin: if not self.plugin[name].post_inited: self.plugin[name].post_init() return XMLStream.process(self, *args, **kwargs) def register_plugin(self, plugin, pconfig={}, module=None): """ Register and configure a plugin for use in this stream. Arguments: plugin -- The name of the plugin class. Plugin names must be unique. pconfig -- A dictionary of configuration data for the plugin. Defaults to an empty dictionary. module -- Optional refence to the module containing the plugin class if using custom plugins. """ try: # Import the given module that contains the plugin. if not module: module = sleekxmpp.plugins module = __import__("%s.%s" % (module.__name__, plugin), globals(), locals(), [plugin]) if isinstance(module, str): # We probably want to load a module from outside # the sleekxmpp package, so leave out the globals(). module = __import__(module, fromlist=[plugin]) # Load the plugin class from the module. self.plugin[plugin] = getattr(module, plugin)(self, pconfig) # Let XEP implementing plugins have some extra logging info. xep = '' if hasattr(self.plugin[plugin], 'xep'): xep = "(XEP-%s) " % self.plugin[plugin].xep desc = (xep, self.plugin[plugin].description) log.debug("Loaded Plugin %s%s" % desc) except: log.exception("Unable to load plugin: %s", plugin) def register_plugins(self): """ Register and initialize all built-in plugins. Optionally, the list of plugins loaded may be limited to those contained in self.plugin_whitelist. Plugin configurations stored in self.plugin_config will be used. """ if self.plugin_whitelist: plugin_list = self.plugin_whitelist else: plugin_list = plugins.__all__ for plugin in plugin_list: if plugin in plugins.__all__: self.register_plugin(plugin, self.plugin_config.get(plugin, {})) else: raise NameError("Plugin %s not in plugins.__all__." % plugin) # Resolve plugin inter-dependencies. for plugin in self.plugin: self.plugin[plugin].post_init() def __getitem__(self, key): """ Return a plugin given its name, if it has been registered. """ if key in self.plugin: return self.plugin[key] else: log.warning("""Plugin "%s" is not loaded.""" % key) return False def get(self, key, default): """ Return a plugin given its name, if it has been registered. """ return self.plugin.get(key, default) def Message(self, *args, **kwargs): """Create a Message stanza associated with this stream.""" return Message(self, *args, **kwargs) def Iq(self, *args, **kwargs): """Create an Iq stanza associated with this stream.""" return Iq(self, *args, **kwargs) def Presence(self, *args, **kwargs): """Create a Presence stanza associated with this stream.""" return Presence(self, *args, **kwargs) def make_iq(self, id=0, ifrom=None): """ Create a new Iq stanza with a given Id and from JID. Arguments: id -- An ideally unique ID value for this stanza thread. Defaults to 0. ifrom -- The from JID to use for this stanza. """ return self.Iq()._set_stanza_values({'id': str(id), 'from': ifrom}) def make_iq_get(self, queryxmlns=None): """ Create an Iq stanza of type 'get'. Optionally, a query element may be added. Arguments: queryxmlns -- The namespace of the query to use. """ return self.Iq()._set_stanza_values({'type': 'get', 'query': queryxmlns}) def make_iq_result(self, id): """ Create an Iq stanza of type 'result' with the given ID value. Arguments: id -- An ideally unique ID value. May use self.new_id(). """ return self.Iq()._set_stanza_values({'id': id, 'type': 'result'}) def make_iq_set(self, sub=None): """ Create an Iq stanza of type 'set'. Optionally, a substanza may be given to use as the stanza's payload. Arguments: sub -- A stanza or XML object to use as the Iq's payload. """ iq = self.Iq()._set_stanza_values({'type': 'set'}) if sub != None: iq.append(sub) return iq def make_iq_error(self, id, type='cancel', condition='feature-not-implemented', text=None): """ Create an Iq stanza of type 'error'. Arguments: id -- An ideally unique ID value. May use self.new_id(). type -- The type of the error, such as 'cancel' or 'modify'. Defaults to 'cancel'. condition -- The error condition. Defaults to 'feature-not-implemented'. text -- A message describing the cause of the error. """ iq = self.Iq()._set_stanza_values({'id': id}) iq['error']._set_stanza_values({'type': type, 'condition': condition, 'text': text}) return iq def make_iq_query(self, iq=None, xmlns=''): """ Create or modify an Iq stanza to use the given query namespace. Arguments: iq -- Optional Iq stanza to modify. A new stanza is created otherwise. xmlns -- The query's namespace. """ if not iq: iq = self.Iq() iq['query'] = xmlns return iq def make_query_roster(self, iq=None): """ Create a roster query element. Arguments: iq -- Optional Iq stanza to modify. A new stanza is created otherwise. """ if iq: iq['query'] = 'jabber:iq:roster' return ET.Element("{jabber:iq:roster}query") def make_message(self, mto, mbody=None, msubject=None, mtype=None, mhtml=None, mfrom=None, mnick=None): """ Create and initialize a new Message stanza. Arguments: mto -- The recipient of the message. mbody -- The main contents of the message. msubject -- Optional subject for the message. mtype -- The message's type, such as 'chat' or 'groupchat'. mhtml -- Optional HTML body content. mfrom -- The sender of the message. If sending from a client, be aware that some servers require that the full JID of the sender be used. mnick -- Optional nickname of the sender. """ message = self.Message(sto=mto, stype=mtype, sfrom=mfrom) message['body'] = mbody message['subject'] = msubject if mnick is not None: message['nick'] = mnick if mhtml is not None: message['html']['body'] = mhtml return message def make_presence(self, pshow=None, pstatus=None, ppriority=None, pto=None, ptype=None, pfrom=None): """ Create and initialize a new Presence stanza. Arguments: pshow -- The presence's show value. pstatus -- The presence's status message. ppriority -- This connections' priority. pto -- The recipient of a directed presence. ptype -- The type of presence, such as 'subscribe'. pfrom -- The sender of the presence. """ presence = self.Presence(stype=ptype, sfrom=pfrom, sto=pto) if pshow is not None: presence['type'] = pshow if pfrom is None: presence['from'] = self.boundjid.full presence['priority'] = ppriority presence['status'] = pstatus return presence def send_message(self, mto, mbody, msubject=None, mtype=None, mhtml=None, mfrom=None, mnick=None): """ Create, initialize, and send a Message stanza. """ self.makeMessage(mto, mbody, msubject, mtype, mhtml, mfrom, mnick).send() def send_presence(self, pshow=None, pstatus=None, ppriority=None, pto=None, pfrom=None, ptype=None): """ Create, initialize, and send a Presence stanza. Arguments: pshow -- The presence's show value. pstatus -- The presence's status message. ppriority -- This connections' priority. pto -- The recipient of a directed presence. ptype -- The type of presence, such as 'subscribe'. pfrom -- The sender of the presence. """ self.makePresence(pshow, pstatus, ppriority, pto, ptype=ptype, pfrom=pfrom).send() # Unexpected errors may occur if if not self.sentpresence: self.event('sent_presence') self.sentpresence = True def send_presence_subscription(self, pto, pfrom=None, ptype='subscribe', pnick=None): """ Create, initialize, and send a Presence stanza of type 'subscribe'. Arguments: pto -- The recipient of a directed presence. pfrom -- The sender of the presence. ptype -- The type of presence. Defaults to 'subscribe'. pnick -- Nickname of the presence's sender. """ presence = self.makePresence(ptype=ptype, pfrom=pfrom, pto=self.getjidbare(pto)) if pnick: nick = ET.Element('{http://jabber.org/protocol/nick}nick') nick.text = pnick presence.append(nick) presence.send() @property def jid(self): """ Attribute accessor for bare jid """ log.warning("jid property deprecated. Use boundjid.bare") return self.boundjid.bare @jid.setter def jid(self, value): log.warning("jid property deprecated. Use boundjid.bare") self.boundjid.bare = value @property def fulljid(self): """ Attribute accessor for full jid """ log.warning("fulljid property deprecated. Use boundjid.full") return self.boundjid.full @fulljid.setter def fulljid(self, value): log.warning("fulljid property deprecated. Use boundjid.full") self.boundjid.full = value @property def resource(self): """ Attribute accessor for jid resource """ log.warning("resource property deprecated. Use boundjid.resource") return self.boundjid.resource @resource.setter def resource(self, value): log.warning("fulljid property deprecated. Use boundjid.full") self.boundjid.resource = value @property def username(self): """ Attribute accessor for jid usernode """ log.warning("username property deprecated. Use boundjid.user") return self.boundjid.user @username.setter def username(self, value): log.warning("username property deprecated. Use boundjid.user") self.boundjid.user = value @property def server(self): """ Attribute accessor for jid host """ log.warning("server property deprecated. Use boundjid.host") return self.boundjid.server @server.setter def server(self, value): log.warning("server property deprecated. Use boundjid.host") self.boundjid.server = value def set_jid(self, jid): """Rip a JID apart and claim it as our own.""" log.debug("setting jid to %s" % jid) self.boundjid.full = jid def getjidresource(self, fulljid): if '/' in fulljid: return fulljid.split('/', 1)[-1] else: return '' def getjidbare(self, fulljid): return fulljid.split('/', 1)[0] def _handle_disconnected(self, event): """When disconnected, reset the roster""" self.roster = {} def _handle_message(self, msg): """Process incoming message stanzas.""" self.event('message', msg) def _handle_presence(self, presence): """ Process incoming presence stanzas. Update the roster with presence information. """ self.event("presence_%s" % presence['type'], presence) # Check for changes in subscription state. if presence['type'] in ('subscribe', 'subscribed', 'unsubscribe', 'unsubscribed'): self.event('changed_subscription', presence) return elif not presence['type'] in ('available', 'unavailable') and \ not presence['type'] in presence.showtypes: return # Strip the information from the stanza. jid = presence['from'].bare resource = presence['from'].resource show = presence['type'] status = presence['status'] priority = presence['priority'] was_offline = False got_online = False old_roster = self.roster.get(jid, {}).get(resource, {}) # Create a new roster entry if needed. if not jid in self.roster: self.roster[jid] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': False} # Alias to simplify some references. connections = self.roster[jid]['presence'] # Determine if the user has just come online. if not resource in connections: if show == 'available' or show in presence.showtypes: got_online = True was_offline = True connections[resource] = {} if connections[resource].get('show', 'unavailable') == 'unavailable': was_offline = True # Update the roster's state for this JID's resource. connections[resource] = {'show': show, 'status': status, 'priority': priority} name = self.roster[jid].get('name', '') # Remove unneeded state information after a resource # disconnects. Determine if this was the last connection # for the JID. if show == 'unavailable': log.debug("%s %s got offline" % (jid, resource)) del connections[resource] if not connections and not self.roster[jid]['in_roster']: del self.roster[jid] if not was_offline: self.event("got_offline", presence) else: return False name = '(%s) ' % name if name else '' # Presence state has changed. self.event("changed_status", presence) if got_online: self.event("got_online", presence) log.debug("STATUS: %s%s/%s[%s]: %s" % (name, jid, resource, show, status)) def _handle_subscribe(self, presence): """ Automatically managage subscription requests. Subscription behavior is controlled by the settings self.auto_authorize and self.auto_subscribe. auto_auth auto_sub Result: True True Create bi-directional subsriptions. True False Create only directed subscriptions. False * Decline all subscriptions. None * Disable automatic handling and use a custom handler. """ presence.reply() presence['to'] = presence['to'].bare # We are using trinary logic, so conditions have to be # more explicit than usual. if self.auto_authorize == True: presence['type'] = 'subscribed' presence.send() if self.auto_subscribe: presence['type'] = 'subscribe' presence.send() elif self.auto_authorize == False: presence['type'] = 'unsubscribed' presence.send() # Restore the old, lowercased name for backwards compatibility. basexmpp = BaseXMPP