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authorlouiz@4325f9fc-e183-4c21-96ce-0ab188b42d13 <louiz@4325f9fc-e183-4c21-96ce-0ab188b42d13>2010-01-31 15:09:58 +0000
committerlouiz@4325f9fc-e183-4c21-96ce-0ab188b42d13 <louiz@4325f9fc-e183-4c21-96ce-0ab188b42d13>2010-01-31 15:09:58 +0000
commitd6458b66aab2b84ff7d5a800b1e603f25181d723 (patch)
tree60a5dee7263bde102c32aa1420ee6f2d9206733e /src/xmpppy-0.5.0rc1/xmpp/client.py
parent98efd30d3077e12bef459dba2dff179302116a5d (diff)
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inclus xmppy0.5-RC1 avec les sources, sinon c'est chiant.
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+## client.py
+##
+## Copyright (C) 2003-2005 Alexey "Snake" Nezhdanov
+##
+## This program 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, or (at your option)
+## any later version.
+##
+## This program 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.
+
+# $Id: client.py,v 1.61 2009/04/07 06:19:42 snakeru Exp $
+
+"""
+Provides PlugIn class functionality to develop extentions for xmpppy.
+Also provides Client and Component classes implementations as the
+examples of xmpppy structures usage.
+These classes can be used for simple applications "AS IS" though.
+"""
+
+import socket
+import debug
+Debug=debug
+Debug.DEBUGGING_IS_ON=1
+Debug.Debug.colors['socket']=debug.color_dark_gray
+Debug.Debug.colors['CONNECTproxy']=debug.color_dark_gray
+Debug.Debug.colors['nodebuilder']=debug.color_brown
+Debug.Debug.colors['client']=debug.color_cyan
+Debug.Debug.colors['component']=debug.color_cyan
+Debug.Debug.colors['dispatcher']=debug.color_green
+Debug.Debug.colors['browser']=debug.color_blue
+Debug.Debug.colors['auth']=debug.color_yellow
+Debug.Debug.colors['roster']=debug.color_magenta
+Debug.Debug.colors['ibb']=debug.color_yellow
+
+Debug.Debug.colors['down']=debug.color_brown
+Debug.Debug.colors['up']=debug.color_brown
+Debug.Debug.colors['data']=debug.color_brown
+Debug.Debug.colors['ok']=debug.color_green
+Debug.Debug.colors['warn']=debug.color_yellow
+Debug.Debug.colors['error']=debug.color_red
+Debug.Debug.colors['start']=debug.color_dark_gray
+Debug.Debug.colors['stop']=debug.color_dark_gray
+Debug.Debug.colors['sent']=debug.color_yellow
+Debug.Debug.colors['got']=debug.color_bright_cyan
+
+DBG_CLIENT='client'
+DBG_COMPONENT='component'
+
+class PlugIn:
+ """ Common xmpppy plugins infrastructure: plugging in/out, debugging. """
+ def __init__(self):
+ self._exported_methods=[]
+ self.DBG_LINE=self.__class__.__name__.lower()
+
+ def PlugIn(self,owner):
+ """ Attach to main instance and register ourself and all our staff in it. """
+ self._owner=owner
+ if self.DBG_LINE not in owner.debug_flags:
+ owner.debug_flags.append(self.DBG_LINE)
+ self.DEBUG('Plugging %s into %s'%(self,self._owner),'start')
+ if owner.__dict__.has_key(self.__class__.__name__):
+ return self.DEBUG('Plugging ignored: another instance already plugged.','error')
+ self._old_owners_methods=[]
+ for method in self._exported_methods:
+ if owner.__dict__.has_key(method.__name__):
+ self._old_owners_methods.append(owner.__dict__[method.__name__])
+ owner.__dict__[method.__name__]=method
+ owner.__dict__[self.__class__.__name__]=self
+ if self.__class__.__dict__.has_key('plugin'): return self.plugin(owner)
+
+ def PlugOut(self):
+ """ Unregister all our staff from main instance and detach from it. """
+ self.DEBUG('Plugging %s out of %s.'%(self,self._owner),'stop')
+ ret = None
+ if self.__class__.__dict__.has_key('plugout'): ret = self.plugout()
+ self._owner.debug_flags.remove(self.DBG_LINE)
+ for method in self._exported_methods: del self._owner.__dict__[method.__name__]
+ for method in self._old_owners_methods: self._owner.__dict__[method.__name__]=method
+ del self._owner.__dict__[self.__class__.__name__]
+ return ret
+
+ def DEBUG(self,text,severity='info'):
+ """ Feed a provided debug line to main instance's debug facility along with our ID string. """
+ self._owner.DEBUG(self.DBG_LINE,text,severity)
+
+import transports,dispatcher,auth,roster
+class CommonClient:
+ """ Base for Client and Component classes."""
+ def __init__(self,server,port=5222,debug=['always', 'nodebuilder']):
+ """ Caches server name and (optionally) port to connect to. "debug" parameter specifies
+ the debug IDs that will go into debug output. You can either specifiy an "include"
+ or "exclude" list. The latter is done via adding "always" pseudo-ID to the list.
+ Full list: ['nodebuilder', 'dispatcher', 'gen_auth', 'SASL_auth', 'bind', 'socket',
+ 'CONNECTproxy', 'TLS', 'roster', 'browser', 'ibb'] . """
+ if self.__class__.__name__=='Client': self.Namespace,self.DBG='jabber:client',DBG_CLIENT
+ elif self.__class__.__name__=='Component': self.Namespace,self.DBG=dispatcher.NS_COMPONENT_ACCEPT,DBG_COMPONENT
+ self.defaultNamespace=self.Namespace
+ self.disconnect_handlers=[]
+ self.Server=server
+ self.Port=port
+ if debug and type(debug)<>list: debug=['always', 'nodebuilder']
+ self._DEBUG=Debug.Debug(debug)
+ self.DEBUG=self._DEBUG.Show
+ self.debug_flags=self._DEBUG.debug_flags
+ self.debug_flags.append(self.DBG)
+ self._owner=self
+ self._registered_name=None
+ self.RegisterDisconnectHandler(self.DisconnectHandler)
+ self.connected=''
+ self._route=0
+
+ def RegisterDisconnectHandler(self,handler):
+ """ Register handler that will be called on disconnect."""
+ self.disconnect_handlers.append(handler)
+
+ def UnregisterDisconnectHandler(self,handler):
+ """ Unregister handler that is called on disconnect."""
+ self.disconnect_handlers.remove(handler)
+
+ def disconnected(self):
+ """ Called on disconnection. Calls disconnect handlers and cleans things up. """
+ self.connected=''
+ self.DEBUG(self.DBG,'Disconnect detected','stop')
+ self.disconnect_handlers.reverse()
+ for i in self.disconnect_handlers: i()
+ self.disconnect_handlers.reverse()
+ if self.__dict__.has_key('TLS'): self.TLS.PlugOut()
+
+ def DisconnectHandler(self):
+ """ Default disconnect handler. Just raises an IOError.
+ If you choosed to use this class in your production client,
+ override this method or at least unregister it. """
+ raise IOError('Disconnected from server.')
+
+ def event(self,eventName,args={}):
+ """ Default event handler. To be overriden. """
+ print "Event: ",(eventName,args)
+
+ def isConnected(self):
+ """ Returns connection state. F.e.: None / 'tls' / 'tcp+non_sasl' . """
+ return self.connected
+
+ def reconnectAndReauth(self):
+ """ Example of reconnection method. In fact, it can be used to batch connection and auth as well. """
+ handlerssave=self.Dispatcher.dumpHandlers()
+ if self.__dict__.has_key('ComponentBind'): self.ComponentBind.PlugOut()
+ if self.__dict__.has_key('Bind'): self.Bind.PlugOut()
+ self._route=0
+ if self.__dict__.has_key('NonSASL'): self.NonSASL.PlugOut()
+ if self.__dict__.has_key('SASL'): self.SASL.PlugOut()
+ if self.__dict__.has_key('TLS'): self.TLS.PlugOut()
+ self.Dispatcher.PlugOut()
+ if self.__dict__.has_key('HTTPPROXYsocket'): self.HTTPPROXYsocket.PlugOut()
+ if self.__dict__.has_key('TCPsocket'): self.TCPsocket.PlugOut()
+ if not self.connect(server=self._Server,proxy=self._Proxy): return
+ if not self.auth(self._User,self._Password,self._Resource): return
+ self.Dispatcher.restoreHandlers(handlerssave)
+ return self.connected
+
+ def connect(self,server=None,proxy=None,ssl=None,use_srv=None):
+ """ Make a tcp/ip connection, protect it with tls/ssl if possible and start XMPP stream.
+ Returns None or 'tcp' or 'tls', depending on the result."""
+ if not server: server=(self.Server,self.Port)
+ if proxy: sock=transports.HTTPPROXYsocket(proxy,server,use_srv)
+ else: sock=transports.TCPsocket(server,use_srv)
+ connected=sock.PlugIn(self)
+ if not connected:
+ sock.PlugOut()
+ return
+ self._Server,self._Proxy=server,proxy
+ self.connected='tcp'
+ if (ssl is None and self.Connection.getPort() in (5223, 443)) or ssl:
+ try: # FIXME. This should be done in transports.py
+ transports.TLS().PlugIn(self,now=1)
+ self.connected='ssl'
+ except socket.sslerror:
+ return
+ dispatcher.Dispatcher().PlugIn(self)
+ while self.Dispatcher.Stream._document_attrs is None:
+ if not self.Process(1): return
+ if self.Dispatcher.Stream._document_attrs.has_key('version') and self.Dispatcher.Stream._document_attrs['version']=='1.0':
+ while not self.Dispatcher.Stream.features and self.Process(1): pass # If we get version 1.0 stream the features tag MUST BE presented
+ return self.connected
+
+class Client(CommonClient):
+ """ Example client class, based on CommonClient. """
+ def connect(self,server=None,proxy=None,secure=None,use_srv=True):
+ """ Connect to jabber server. If you want to specify different ip/port to connect to you can
+ pass it as tuple as first parameter. If there is HTTP proxy between you and server
+ specify it's address and credentials (if needed) in the second argument.
+ If you want ssl/tls support to be discovered and enable automatically - leave third argument as None. (ssl will be autodetected only if port is 5223 or 443)
+ If you want to force SSL start (i.e. if port 5223 or 443 is remapped to some non-standard port) then set it to 1.
+ If you want to disable tls/ssl support completely, set it to 0.
+ Example: connect(('192.168.5.5',5222),{'host':'proxy.my.net','port':8080,'user':'me','password':'secret'})
+ Returns '' or 'tcp' or 'tls', depending on the result."""
+ if not CommonClient.connect(self,server,proxy,secure,use_srv) or secure<>None and not secure: return self.connected
+ transports.TLS().PlugIn(self)
+ if not self.Dispatcher.Stream._document_attrs.has_key('version') or not self.Dispatcher.Stream._document_attrs['version']=='1.0': return self.connected
+ while not self.Dispatcher.Stream.features and self.Process(1): pass # If we get version 1.0 stream the features tag MUST BE presented
+ if not self.Dispatcher.Stream.features.getTag('starttls'): return self.connected # TLS not supported by server
+ while not self.TLS.starttls and self.Process(1): pass
+ if not hasattr(self, 'TLS') or self.TLS.starttls!='success': self.event('tls_failed'); return self.connected
+ self.connected='tls'
+ return self.connected
+
+ def auth(self,user,password,resource='',sasl=1):
+ """ Authenticate connnection and bind resource. If resource is not provided
+ random one or library name used. """
+ self._User,self._Password,self._Resource=user,password,resource
+ while not self.Dispatcher.Stream._document_attrs and self.Process(1): pass
+ if self.Dispatcher.Stream._document_attrs.has_key('version') and self.Dispatcher.Stream._document_attrs['version']=='1.0':
+ while not self.Dispatcher.Stream.features and self.Process(1): pass # If we get version 1.0 stream the features tag MUST BE presented
+ if sasl: auth.SASL(user,password).PlugIn(self)
+ if not sasl or self.SASL.startsasl=='not-supported':
+ if not resource: resource='xmpppy'
+ if auth.NonSASL(user,password,resource).PlugIn(self):
+ self.connected+='+old_auth'
+ return 'old_auth'
+ return
+ self.SASL.auth()
+ while self.SASL.startsasl=='in-process' and self.Process(1): pass
+ if self.SASL.startsasl=='success':
+ auth.Bind().PlugIn(self)
+ while self.Bind.bound is None and self.Process(1): pass
+ if self.Bind.Bind(resource):
+ self.connected+='+sasl'
+ return 'sasl'
+ else:
+ if self.__dict__.has_key('SASL'): self.SASL.PlugOut()
+
+ def getRoster(self):
+ """ Return the Roster instance, previously plugging it in and
+ requesting roster from server if needed. """
+ if not self.__dict__.has_key('Roster'): roster.Roster().PlugIn(self)
+ return self.Roster.getRoster()
+
+ def sendInitPresence(self,requestRoster=1):
+ """ Send roster request and initial <presence/>.
+ You can disable the first by setting requestRoster argument to 0. """
+ self.sendPresence(requestRoster=requestRoster)
+
+ def sendPresence(self,jid=None,typ=None,requestRoster=0):
+ """ Send some specific presence state.
+ Can also request roster from server if according agrument is set."""
+ if requestRoster: roster.Roster().PlugIn(self)
+ self.send(dispatcher.Presence(to=jid, typ=typ))
+
+class Component(CommonClient):
+ """ Component class. The only difference from CommonClient is ability to perform component authentication. """
+ def __init__(self,transport,port=5347,typ=None,debug=['always', 'nodebuilder'],domains=None,sasl=0,bind=0,route=0,xcp=0):
+ """ Init function for Components.
+ As components use a different auth mechanism which includes the namespace of the component.
+ Jabberd1.4 and Ejabberd use the default namespace then for all client messages.
+ Jabberd2 uses jabber:client.
+ 'transport' argument is a transport name that you are going to serve (f.e. "irc.localhost").
+ 'port' can be specified if 'transport' resolves to correct IP. If it is not then you'll have to specify IP
+ and port while calling "connect()".
+ If you are going to serve several different domains with single Component instance - you must list them ALL
+ in the 'domains' argument.
+ For jabberd2 servers you should set typ='jabberd2' argument.
+ """
+ CommonClient.__init__(self,transport,port=port,debug=debug)
+ self.typ=typ
+ self.sasl=sasl
+ self.bind=bind
+ self.route=route
+ self.xcp=xcp
+ if domains:
+ self.domains=domains
+ else:
+ self.domains=[transport]
+
+ def connect(self,server=None,proxy=None):
+ """ This will connect to the server, and if the features tag is found then set
+ the namespace to be jabber:client as that is required for jabberd2.
+ 'server' and 'proxy' arguments have the same meaning as in xmpp.Client.connect() """
+ if self.sasl:
+ self.Namespace=auth.NS_COMPONENT_1
+ self.Server=server[0]
+ CommonClient.connect(self,server=server,proxy=proxy)
+ if self.connected and (self.typ=='jabberd2' or not self.typ and self.Dispatcher.Stream.features != None) and (not self.xcp):
+ self.defaultNamespace=auth.NS_CLIENT
+ self.Dispatcher.RegisterNamespace(self.defaultNamespace)
+ self.Dispatcher.RegisterProtocol('iq',dispatcher.Iq)
+ self.Dispatcher.RegisterProtocol('message',dispatcher.Message)
+ self.Dispatcher.RegisterProtocol('presence',dispatcher.Presence)
+ return self.connected
+
+ def dobind(self, sasl):
+ # This has to be done before binding, because we can receive a route stanza before binding finishes
+ self._route = self.route
+ if self.bind:
+ for domain in self.domains:
+ auth.ComponentBind(sasl).PlugIn(self)
+ while self.ComponentBind.bound is None: self.Process(1)
+ if (not self.ComponentBind.Bind(domain)):
+ self.ComponentBind.PlugOut()
+ return
+ self.ComponentBind.PlugOut()
+
+ def auth(self,name,password,dup=None):
+ """ Authenticate component "name" with password "password"."""
+ self._User,self._Password,self._Resource=name,password,''
+ try:
+ if self.sasl: auth.SASL(name,password).PlugIn(self)
+ if not self.sasl or self.SASL.startsasl=='not-supported':
+ if auth.NonSASL(name,password,'').PlugIn(self):
+ self.dobind(sasl=False)
+ self.connected+='+old_auth'
+ return 'old_auth'
+ return
+ self.SASL.auth()
+ while self.SASL.startsasl=='in-process' and self.Process(1): pass
+ if self.SASL.startsasl=='success':
+ self.dobind(sasl=True)
+ self.connected+='+sasl'
+ return 'sasl'
+ else:
+ raise auth.NotAuthorized(self.SASL.startsasl)
+ except:
+ self.DEBUG(self.DBG,"Failed to authenticate %s"%name,'error')