slixmpp/sleekxmpp/basexmpp.py
2009-12-10 07:33:59 +00:00

450 lines
15 KiB
Python

"""
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 __future__ import with_statement
from xml.etree import cElementTree as ET
from . xmlstream.xmlstream import XMLStream
from . xmlstream.matcher.xmlmask import MatchXMLMask
from . xmlstream.matcher.many import MatchMany
from . xmlstream.handler.xmlcallback import XMLCallback
from . xmlstream.handler.xmlwaiter import XMLWaiter
from . xmlstream.handler.callback import Callback
from . import plugins
from . stanza.message import Message
from . stanza.iq import Iq
import logging
import threading
class basexmpp(object):
def __init__(self):
self.id = 0
self.id_lock = threading.Lock()
self.stanza_errors = {
'bad-request':False,
'conflict':False,
'feature-not-implemented':False,
'forbidden':False,
'gone':True,
'internal-server-error':False,
'item-not-found':False,
'jid-malformed':False,
'not-acceptable':False,
'not-allowed':False,
'payment-required':False,
'recipient-unavailable':False,
'redirect':True,
'registration-required':False,
'remote-server-not-found':False,
'remote-server-timeout':False,
'resource-constraint':False,
'service-unavailable':False,
'subscription-required':False,
'undefined-condition':False,
'unexpected-request':False}
self.stream_errors = {
'bad-format':False,
'bad-namespace-prefix':False,
'conflict':False,
'connection-timeout':False,
'host-gone':False,
'host-unknown':False,
'improper-addressing':False,
'internal-server-error':False,
'invalid-from':False,
'invalid-id':False,
'invalid-namespace':False,
'invalid-xml':False,
'not-authorized':False,
'policy-violation':False,
'remote-connection-failed':False,
'resource-constraint':False,
'restricted-xml':False,
'see-other-host':True,
'system-shutdown':False,
'undefined-condition':False,
'unsupported-encoding':False,
'unsupported-stanza-type':False,
'unsupported-version':False,
'xml-not-well-formed':False}
self.sentpresence = False
self.fulljid = ''
self.resource = ''
self.jid = ''
self.username = ''
self.server = ''
self.plugin = {}
self.auto_authorize = True
self.auto_subscribe = True
self.event_handlers = {}
self.roster = {}
self.registerHandler(Callback('IM', MatchMany((MatchXMLMask("<message xmlns='%s' type='chat'><body /></message>" % self.default_ns),MatchXMLMask("<message xmlns='%s' type='normal'><body /></message>" % self.default_ns),MatchXMLMask("<message xmlns='%s' type='__None__'><body /></message>" % self.default_ns))), self._handleMessage, thread=False))
self.registerHandler(Callback('Presence', MatchMany((MatchXMLMask("<presence xmlns='%s' type='available'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='__None__'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='unavailable'/>" % self.default_ns))), self._handlePresence, thread=False))
self.registerHandler(Callback('PresenceSubscribe', MatchMany((MatchXMLMask("<presence xmlns='%s' type='subscribe'/>" % self.default_ns),MatchXMLMask("<presence xmlns='%s' type='unsubscribed'/>" % self.default_ns))), self._handlePresenceSubscribe))
self.registerStanza(Message)
self.registerStanza(Iq)
def set_jid(self, jid):
"""Rip a JID apart and claim it as our own."""
self.fulljid = jid
self.resource = self.getjidresource(jid)
self.jid = self.getjidbare(jid)
self.username = jid.split('@', 1)[0]
self.server = jid.split('@',1)[-1].split('/', 1)[0]
def registerPlugin(self, plugin, pconfig = {}):
"""Register a plugin not in plugins.__init__.__all__ but in the plugins
directory."""
# discover relative "path" to the plugins module from the main app, and import it.
__import__("%s.%s" % (globals()['plugins'].__name__, plugin))
# init the plugin class
self.plugin[plugin] = getattr(getattr(plugins, plugin), plugin)(self, pconfig) # eek
# all of this for a nice debug? sure.
xep = ''
if hasattr(self.plugin[plugin], 'xep'):
xep = "(XEP-%s) " % self.plugin[plugin].xep
logging.debug("Loaded Plugin %s%s" % (xep, self.plugin[plugin].description))
def register_plugins(self):
"""Initiates all plugins in the plugins/__init__.__all__"""
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.registerPlugin(plugin, self.plugin_config.get(plugin, {}))
else:
raise NameError("No plugin by the name of %s listed in plugins.__all__." % plugin)
# run post_init() for cross-plugin interaction
for plugin in self.plugin:
self.plugin[plugin].post_init()
def getNewId(self):
with self.id_lock:
self.id += 1
return self.getId()
def add_handler(self, mask, pointer, disposable=False, threaded=False, filter=False, instream=False):
#logging.warning("Deprecated add_handler used for %s: %s." % (mask, pointer))
self.registerHandler(XMLCallback('add_handler_%s' % self.getNewId(), MatchXMLMask(mask), pointer, threaded, disposable, instream))
def getId(self):
return "%x".upper() % self.id
def send(self, data, mask=None, timeout=60):
#logging.warning("Deprecated send used for \"%s\"" % (data,))
if not type(data) == type(''):
data = self.tostring(data)
if mask is not None:
waitfor = XMLWaiter('SendWait_%s' % self.getNewId(), MatchXMLMask(mask))
self.registerHandler(waitfor)
self.sendRaw(data)
if mask is not None:
return waitfor.wait(timeout)
def makeIq(self, id=0, ifrom=None):
iq = ET.Element('{%s}iq' % self.default_ns)
if id == 0:
id = self.getNewId()
iq.set('id', str(id))
if ifrom is not None:
iq.attrib['from'] = ifrom
return iq
def makeIqGet(self, queryxmlns = None):
iq = self.makeIq()
iq.set('type', 'get')
if queryxmlns:
query = ET.Element("{%s}query" % queryxmlns)
iq.append(query)
return iq
def makeIqResult(self, id):
iq = self.makeIq(id)
iq.set('type', 'result')
return iq
def makeIqSet(self, sub=None):
iq = self.makeIq()
iq.set('type', 'set')
if sub != None:
iq.append(sub)
return iq
def makeIqError(self, id):
iq = self.makeIq(id)
iq.set('type', 'error')
return iq
def makeStanzaErrorCondition(self, condition, cdata=None):
if condition not in self.stanza_errors:
raise ValueError()
stanzaError = ET.Element('{urn:ietf:params:xml:ns:xmpp-stanzas}'+condition)
if cdata is not None:
if not self.stanza_errors[condition]:
raise ValueError()
stanzaError.text = cdata
return stanzaError
def makeStanzaError(self, condition, errorType, code=None, text=None, customElem=None):
if errorType not in ['auth', 'cancel', 'continue', 'modify', 'wait']:
raise ValueError()
error = ET.Element('error')
error.append(self.makeStanzaErrorCondition(condition))
error.set('type',errorType)
if code is not None:
error.set('code', code)
if text is not None:
textElem = ET.Element('text')
textElem.text = text
error.append(textElem)
if customElem is not None:
error.append(customElem)
return error
def makeStreamErrorCondition(self, condition, cdata=None):
if condition not in self.stream_errors:
raise ValueError()
streamError = ET.Element('{urn:ietf:params:xml:ns:xmpp-streams}'+condition)
if cdata is not None:
if not self.stream_errors[condition]:
raise ValueError()
textElem = ET.Element('text')
textElem.text = text
streamError.append(textElem)
def makeStreamError(self, errorElem, text=None):
error = ET.Element('error')
error.append(errorElem)
if text is not None:
textElem = ET.Element('text')
textElem.text = text
error.append(text)
return error
def makeIqQuery(self, iq, xmlns):
query = ET.Element("{%s}query" % xmlns)
iq.append(query)
return iq
def makeQueryRoster(self, iq=None):
query = ET.Element("{jabber:iq:roster}query")
if iq:
iq.append(query)
return query
def add_event_handler(self, name, pointer, threaded=False, disposable=False):
if not name in self.event_handlers:
self.event_handlers[name] = []
self.event_handlers[name].append((pointer, threaded, disposable))
def event(self, name, eventdata = {}): # called on an event
for handler in self.event_handlers.get(name, []):
if handler[1]: #if threaded
#thread.start_new(handler[0], (eventdata,))
x = threading.Thread(name="Event_%s" % str(handler[0]), target=handler[0], args=(eventdata,))
x.start()
else:
handler[0](eventdata)
if handler[2]: #disposable
with self.lock:
self.event_handlers[name].pop(self.event_handlers[name].index(handler))
def makeMessage(self, mto, mbody='', msubject=None, mtype=None, mhtml=None, mfrom=None, mnick=None):
message = ET.Element('{%s}message' % self.default_ns)
if mfrom is None:
message.attrib['from'] = self.fulljid
else:
message.attrib['from'] = mfrom
message.attrib['to'] = mto
if not mtype:
mtype='chat'
message.attrib['type'] = mtype
if mtype == 'none':
del message.attrib['type']
if mbody:
body = ET.Element('body')
body.text = mbody
message.append(body)
if mhtml :
html = ET.Element('{http://jabber.org/protocol/xhtml-im}html')
html_body = ET.XML('<body xmlns="http://www.w3.org/1999/xhtml">' + mhtml + '</body>')
html.append(html_body)
message.append(html)
if msubject:
subject = ET.Element('subject')
subject.text = msubject
message.append(subject)
if mnick:
print("generating nick")
nick = ET.Element("{http://jabber.org/protocol/nick}nick")
nick.text = mnick
message.append(nick)
return message
def makePresence(self, pshow=None, pstatus=None, ppriority=None, pto=None, ptype=None, pfrom=None):
if pshow == 'unavailable':
pshow = None
ptype = 'unavailable'
presence = ET.Element('{%s}presence' % self.default_ns)
if ptype:
presence.attrib['type'] = ptype
if pshow:
show = ET.Element('show')
show.text = pshow
presence.append(show)
if pstatus:
status = ET.Element('status')
status.text = pstatus
presence.append(status)
if ppriority:
priority = ET.Element('priority')
priority.text = str(ppriority)
presence.append(priority)
if pto:
presence.attrib['to'] = pto
if pfrom is None:
presence.attrib['from'] = self.fulljid
else:
presence.attrib['from'] = pfrom
return presence
def sendMessage(self, mto, mbody, msubject=None, mtype=None, mhtml=None, mfrom=None, mnick=None):
self.send(self.makeMessage(mto,mbody,msubject,mtype,mhtml,mfrom,mnick))
def sendPresence(self, pshow=None, pstatus=None, ppriority=None, pto=None, pfrom=None, ptype=None):
self.send(self.makePresence(pshow,pstatus,ppriority,pto, ptype=ptype, pfrom=pfrom))
if not self.sentpresence:
self.event('sent_presence')
self.sentpresence = True
def sendPresenceSubscription(self, pto, pfrom=None, ptype='subscribe', pnick=None) :
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)
self.send(presence)
def getjidresource(self, fulljid):
if '/' in fulljid:
return fulljid.split('/', 1)[-1]
else:
return ''
def getjidbare(self, fulljid):
return fulljid.split('/', 1)[0]
def _handleMessage(self, msg):
self.event('message', msg)
#xml = msg.xml
#ns = xml.tag.split('}')[0]
#if ns == 'message':
# ns = ''
#else:
# ns = "%s}" % ns
#mfrom = xml.attrib['from']
#message = xml.find('%sbody' % ns).text
#subject = xml.find('%ssubject' % ns)
#if subject is not None:
# subject = subject.text
#else:
# subject = ''
#resource = self.getjidresource(mfrom)
#mfrom = self.getjidbare(mfrom)
#mtype = xml.attrib.get('type', 'normal')
#name = self.roster.get('name', '')
#self.event("message", {'jid': mfrom, 'resource': resource, 'name': name, 'type': mtype, 'subject': subject, 'message': message, 'to': xml.attrib.get('to', '')})
def _handlePresence(self, presence):
xml = presence.xml
ns = xml.tag.split('}')[0]
if ns == 'presence':
ns = ''
else:
ns = "%s}" % ns
"""Update roster items based on presence"""
show = xml.find('%sshow' % ns)
status = xml.find('%sstatus' % ns)
priority = xml.find('%spriority' % ns)
fulljid = xml.attrib['from']
to = xml.attrib['to']
resource = self.getjidresource(fulljid)
if not resource:
resouce = None
jid = self.getjidbare(fulljid)
if type(status) == type(None) or status.text is None:
status = ''
else:
status = status.text
if type(show) == type(None):
show = 'available'
else:
show = show.text
if xml.get('type', None) == 'unavailable':
show = 'unavailable'
if type(priority) == type(None):
priority = 0
else:
priority = int(priority.text)
wasoffline = False
oldroster = self.roster.get(jid, {}).get(resource, {})
if not jid in self.roster:
self.roster[jid] = {'groups': [], 'name': '', 'subscription': 'none', 'presence': {}, 'in_roster': False}
if not resource in self.roster[jid]['presence']:
wasoffline = True
self.roster[jid]['presence'][resource] = {'show': show, 'status': status, 'priority': priority}
else:
if self.roster[jid]['presence'][resource].get('show', None) == 'unavailable':
wasoffline = True
self.roster[jid]['presence'][resource] = {'show': show, 'status': status}
if priority:
self.roster[jid]['presence'][resource]['priority'] = priority
name = self.roster[jid].get('name', '')
eventdata = {'jid': jid, 'to': to, 'resource': resource, 'name': name, 'type': show, 'priority': priority, 'message': status}
if wasoffline and show in ('available', 'away', 'xa', 'na'):
self.event("got_online", eventdata)
elif not wasoffline and show == 'unavailable':
self.event("got_offline", eventdata)
if len(self.roster[jid]['presence']) > 1:
del self.roster[jid]['presence'][resource]
else:
del self.roster[jid]
elif oldroster != self.roster.get(jid, {'presence': {}})['presence'].get(resource, {}) and show != 'unavailable':
self.event("changed_status", eventdata)
name = ''
if name:
name = "(%s) " % name
logging.debug("STATUS: %s%s/%s[%s]: %s" % (name, jid, resource, show,status))
def _handlePresenceSubscribe(self, presence):
"""Handling subscriptions automatically."""
xml = presence.xml
if self.auto_authorize == True:
#self.updateRoster(self.getjidbare(xml.attrib['from']))
self.send(self.makePresence(ptype='subscribed', pto=self.getjidbare(xml.attrib['from'])))
if self.auto_subscribe:
self.send(self.makePresence(ptype='subscribe', pto=self.getjidbare(xml.attrib['from'])))
elif self.auto_authorize == False:
self.send(self.makePresence(ptype='unsubscribed', pto=self.getjidbare(xml.attrib['from'])))
elif self.auto_authorize == None:
pass