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+## protocol.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: protocol.py,v 1.60 2009/04/07 11:14:28 snakeru Exp $
+
+"""
+Protocol module contains tools that is needed for processing of
+xmpp-related data structures.
+"""
+
+from simplexml import Node,ustr
+import time
+NS_ACTIVITY ='http://jabber.org/protocol/activity' # XEP-0108
+NS_ADDRESS ='http://jabber.org/protocol/address' # XEP-0033
+NS_ADMIN ='http://jabber.org/protocol/admin' # XEP-0133
+NS_ADMIN_ADD_USER =NS_ADMIN+'#add-user' # XEP-0133
+NS_ADMIN_DELETE_USER =NS_ADMIN+'#delete-user' # XEP-0133
+NS_ADMIN_DISABLE_USER =NS_ADMIN+'#disable-user' # XEP-0133
+NS_ADMIN_REENABLE_USER =NS_ADMIN+'#reenable-user' # XEP-0133
+NS_ADMIN_END_USER_SESSION =NS_ADMIN+'#end-user-session' # XEP-0133
+NS_ADMIN_GET_USER_PASSWORD =NS_ADMIN+'#get-user-password' # XEP-0133
+NS_ADMIN_CHANGE_USER_PASSWORD =NS_ADMIN+'#change-user-password' # XEP-0133
+NS_ADMIN_GET_USER_ROSTER =NS_ADMIN+'#get-user-roster' # XEP-0133
+NS_ADMIN_GET_USER_LASTLOGIN =NS_ADMIN+'#get-user-lastlogin' # XEP-0133
+NS_ADMIN_USER_STATS =NS_ADMIN+'#user-stats' # XEP-0133
+NS_ADMIN_EDIT_BLACKLIST =NS_ADMIN+'#edit-blacklist' # XEP-0133
+NS_ADMIN_EDIT_WHITELIST =NS_ADMIN+'#edit-whitelist' # XEP-0133
+NS_ADMIN_REGISTERED_USERS_NUM =NS_ADMIN+'#get-registered-users-num' # XEP-0133
+NS_ADMIN_DISABLED_USERS_NUM =NS_ADMIN+'#get-disabled-users-num' # XEP-0133
+NS_ADMIN_ONLINE_USERS_NUM =NS_ADMIN+'#get-online-users-num' # XEP-0133
+NS_ADMIN_ACTIVE_USERS_NUM =NS_ADMIN+'#get-active-users-num' # XEP-0133
+NS_ADMIN_IDLE_USERS_NUM =NS_ADMIN+'#get-idle-users-num' # XEP-0133
+NS_ADMIN_REGISTERED_USERS_LIST =NS_ADMIN+'#get-registered-users-list' # XEP-0133
+NS_ADMIN_DISABLED_USERS_LIST =NS_ADMIN+'#get-disabled-users-list' # XEP-0133
+NS_ADMIN_ONLINE_USERS_LIST =NS_ADMIN+'#get-online-users-list' # XEP-0133
+NS_ADMIN_ACTIVE_USERS_LIST =NS_ADMIN+'#get-active-users-list' # XEP-0133
+NS_ADMIN_IDLE_USERS_LIST =NS_ADMIN+'#get-idle-users-list' # XEP-0133
+NS_ADMIN_ANNOUNCE =NS_ADMIN+'#announce' # XEP-0133
+NS_ADMIN_SET_MOTD =NS_ADMIN+'#set-motd' # XEP-0133
+NS_ADMIN_EDIT_MOTD =NS_ADMIN+'#edit-motd' # XEP-0133
+NS_ADMIN_DELETE_MOTD =NS_ADMIN+'#delete-motd' # XEP-0133
+NS_ADMIN_SET_WELCOME =NS_ADMIN+'#set-welcome' # XEP-0133
+NS_ADMIN_DELETE_WELCOME =NS_ADMIN+'#delete-welcome' # XEP-0133
+NS_ADMIN_EDIT_ADMIN =NS_ADMIN+'#edit-admin' # XEP-0133
+NS_ADMIN_RESTART =NS_ADMIN+'#restart' # XEP-0133
+NS_ADMIN_SHUTDOWN =NS_ADMIN+'#shutdown' # XEP-0133
+NS_AGENTS ='jabber:iq:agents' # XEP-0094 (historical)
+NS_AMP ='http://jabber.org/protocol/amp' # XEP-0079
+NS_AMP_ERRORS =NS_AMP+'#errors' # XEP-0079
+NS_AUTH ='jabber:iq:auth' # XEP-0078
+NS_AVATAR ='jabber:iq:avatar' # XEP-0008 (historical)
+NS_BIND ='urn:ietf:params:xml:ns:xmpp-bind' # RFC 3920
+NS_BROWSE ='jabber:iq:browse' # XEP-0011 (historical)
+NS_BYTESTREAM ='http://jabber.org/protocol/bytestreams' # XEP-0065
+NS_CAPS ='http://jabber.org/protocol/caps' # XEP-0115
+NS_CHATSTATES ='http://jabber.org/protocol/chatstates' # XEP-0085
+NS_CLIENT ='jabber:client' # RFC 3921
+NS_COMMANDS ='http://jabber.org/protocol/commands' # XEP-0050
+NS_COMPONENT_ACCEPT ='jabber:component:accept' # XEP-0114
+NS_COMPONENT_1 ='http://jabberd.jabberstudio.org/ns/component/1.0' # Jabberd2
+NS_COMPRESS ='http://jabber.org/protocol/compress' # XEP-0138
+NS_DATA ='jabber:x:data' # XEP-0004
+NS_DATA_LAYOUT ='http://jabber.org/protocol/xdata-layout' # XEP-0141
+NS_DATA_VALIDATE ='http://jabber.org/protocol/xdata-validate' # XEP-0122
+NS_DELAY ='jabber:x:delay' # XEP-0091 (deprecated)
+NS_DIALBACK ='jabber:server:dialback' # RFC 3921
+NS_DISCO ='http://jabber.org/protocol/disco' # XEP-0030
+NS_DISCO_INFO =NS_DISCO+'#info' # XEP-0030
+NS_DISCO_ITEMS =NS_DISCO+'#items' # XEP-0030
+NS_ENCRYPTED ='jabber:x:encrypted' # XEP-0027
+NS_EVENT ='jabber:x:event' # XEP-0022 (deprecated)
+NS_FEATURE ='http://jabber.org/protocol/feature-neg' # XEP-0020
+NS_FILE ='http://jabber.org/protocol/si/profile/file-transfer' # XEP-0096
+NS_GATEWAY ='jabber:iq:gateway' # XEP-0100
+NS_GEOLOC ='http://jabber.org/protocol/geoloc' # XEP-0080
+NS_GROUPCHAT ='gc-1.0' # XEP-0045
+NS_HTTP_BIND ='http://jabber.org/protocol/httpbind' # XEP-0124
+NS_IBB ='http://jabber.org/protocol/ibb' # XEP-0047
+NS_INVISIBLE ='presence-invisible' # Jabberd2
+NS_IQ ='iq' # Jabberd2
+NS_LAST ='jabber:iq:last' # XEP-0012
+NS_MESSAGE ='message' # Jabberd2
+NS_MOOD ='http://jabber.org/protocol/mood' # XEP-0107
+NS_MUC ='http://jabber.org/protocol/muc' # XEP-0045
+NS_MUC_ADMIN =NS_MUC+'#admin' # XEP-0045
+NS_MUC_OWNER =NS_MUC+'#owner' # XEP-0045
+NS_MUC_UNIQUE =NS_MUC+'#unique' # XEP-0045
+NS_MUC_USER =NS_MUC+'#user' # XEP-0045
+NS_MUC_REGISTER =NS_MUC+'#register' # XEP-0045
+NS_MUC_REQUEST =NS_MUC+'#request' # XEP-0045
+NS_MUC_ROOMCONFIG =NS_MUC+'#roomconfig' # XEP-0045
+NS_MUC_ROOMINFO =NS_MUC+'#roominfo' # XEP-0045
+NS_MUC_ROOMS =NS_MUC+'#rooms' # XEP-0045
+NS_MUC_TRAFIC =NS_MUC+'#traffic' # XEP-0045
+NS_NICK ='http://jabber.org/protocol/nick' # XEP-0172
+NS_OFFLINE ='http://jabber.org/protocol/offline' # XEP-0013
+NS_PHYSLOC ='http://jabber.org/protocol/physloc' # XEP-0112
+NS_PRESENCE ='presence' # Jabberd2
+NS_PRIVACY ='jabber:iq:privacy' # RFC 3921
+NS_PRIVATE ='jabber:iq:private' # XEP-0049
+NS_PUBSUB ='http://jabber.org/protocol/pubsub' # XEP-0060
+NS_REGISTER ='jabber:iq:register' # XEP-0077
+NS_RC ='http://jabber.org/protocol/rc' # XEP-0146
+NS_ROSTER ='jabber:iq:roster' # RFC 3921
+NS_ROSTERX ='http://jabber.org/protocol/rosterx' # XEP-0144
+NS_RPC ='jabber:iq:rpc' # XEP-0009
+NS_SASL ='urn:ietf:params:xml:ns:xmpp-sasl' # RFC 3920
+NS_SEARCH ='jabber:iq:search' # XEP-0055
+NS_SERVER ='jabber:server' # RFC 3921
+NS_SESSION ='urn:ietf:params:xml:ns:xmpp-session' # RFC 3921
+NS_SI ='http://jabber.org/protocol/si' # XEP-0096
+NS_SI_PUB ='http://jabber.org/protocol/sipub' # XEP-0137
+NS_SIGNED ='jabber:x:signed' # XEP-0027
+NS_STANZAS ='urn:ietf:params:xml:ns:xmpp-stanzas' # RFC 3920
+NS_STREAMS ='http://etherx.jabber.org/streams' # RFC 3920
+NS_TIME ='jabber:iq:time' # XEP-0090 (deprecated)
+NS_TLS ='urn:ietf:params:xml:ns:xmpp-tls' # RFC 3920
+NS_VACATION ='http://jabber.org/protocol/vacation' # XEP-0109
+NS_VCARD ='vcard-temp' # XEP-0054
+NS_VCARD_UPDATE ='vcard-temp:x:update' # XEP-0153
+NS_VERSION ='jabber:iq:version' # XEP-0092
+NS_WAITINGLIST ='http://jabber.org/protocol/waitinglist' # XEP-0130
+NS_XHTML_IM ='http://jabber.org/protocol/xhtml-im' # XEP-0071
+NS_XMPP_STREAMS ='urn:ietf:params:xml:ns:xmpp-streams' # RFC 3920
+
+xmpp_stream_error_conditions="""
+bad-format -- -- -- The entity has sent XML that cannot be processed.
+bad-namespace-prefix -- -- -- The entity has sent a namespace prefix that is unsupported, or has sent no namespace prefix on an element that requires such a prefix.
+conflict -- -- -- The server is closing the active stream for this entity because a new stream has been initiated that conflicts with the existing stream.
+connection-timeout -- -- -- The entity has not generated any traffic over the stream for some period of time.
+host-gone -- -- -- The value of the 'to' attribute provided by the initiating entity in the stream header corresponds to a hostname that is no longer hosted by the server.
+host-unknown -- -- -- The value of the 'to' attribute provided by the initiating entity in the stream header does not correspond to a hostname that is hosted by the server.
+improper-addressing -- -- -- A stanza sent between two servers lacks a 'to' or 'from' attribute (or the attribute has no value).
+internal-server-error -- -- -- The server has experienced a misconfiguration or an otherwise-undefined internal error that prevents it from servicing the stream.
+invalid-from -- cancel -- -- The JID or hostname provided in a 'from' address does not match an authorized JID or validated domain negotiated between servers via SASL or dialback, or between a client and a server via authentication and resource authorization.
+invalid-id -- -- -- The stream ID or dialback ID is invalid or does not match an ID previously provided.
+invalid-namespace -- -- -- The streams namespace name is something other than "http://etherx.jabber.org/streams" or the dialback namespace name is something other than "jabber:server:dialback".
+invalid-xml -- -- -- The entity has sent invalid XML over the stream to a server that performs validation.
+not-authorized -- -- -- The entity has attempted to send data before the stream has been authenticated, or otherwise is not authorized to perform an action related to stream negotiation.
+policy-violation -- -- -- The entity has violated some local service policy.
+remote-connection-failed -- -- -- The server is unable to properly connect to a remote resource that is required for authentication or authorization.
+resource-constraint -- -- -- The server lacks the system resources necessary to service the stream.
+restricted-xml -- -- -- The entity has attempted to send restricted XML features such as a comment, processing instruction, DTD, entity reference, or unescaped character.
+see-other-host -- -- -- The server will not provide service to the initiating entity but is redirecting traffic to another host.
+system-shutdown -- -- -- The server is being shut down and all active streams are being closed.
+undefined-condition -- -- -- The error condition is not one of those defined by the other conditions in this list.
+unsupported-encoding -- -- -- The initiating entity has encoded the stream in an encoding that is not supported by the server.
+unsupported-stanza-type -- -- -- The initiating entity has sent a first-level child of the stream that is not supported by the server.
+unsupported-version -- -- -- The value of the 'version' attribute provided by the initiating entity in the stream header specifies a version of XMPP that is not supported by the server.
+xml-not-well-formed -- -- -- The initiating entity has sent XML that is not well-formed."""
+xmpp_stanza_error_conditions="""
+bad-request -- 400 -- modify -- The sender has sent XML that is malformed or that cannot be processed.
+conflict -- 409 -- cancel -- Access cannot be granted because an existing resource or session exists with the same name or address.
+feature-not-implemented -- 501 -- cancel -- The feature requested is not implemented by the recipient or server and therefore cannot be processed.
+forbidden -- 403 -- auth -- The requesting entity does not possess the required permissions to perform the action.
+gone -- 302 -- modify -- The recipient or server can no longer be contacted at this address.
+internal-server-error -- 500 -- wait -- The server could not process the stanza because of a misconfiguration or an otherwise-undefined internal server error.
+item-not-found -- 404 -- cancel -- The addressed JID or item requested cannot be found.
+jid-malformed -- 400 -- modify -- The value of the 'to' attribute in the sender's stanza does not adhere to the syntax defined in Addressing Scheme.
+not-acceptable -- 406 -- cancel -- The recipient or server understands the request but is refusing to process it because it does not meet criteria defined by the recipient or server.
+not-allowed -- 405 -- cancel -- The recipient or server does not allow any entity to perform the action.
+not-authorized -- 401 -- auth -- The sender must provide proper credentials before being allowed to perform the action, or has provided improper credentials.
+payment-required -- 402 -- auth -- The requesting entity is not authorized to access the requested service because payment is required.
+recipient-unavailable -- 404 -- wait -- The intended recipient is temporarily unavailable.
+redirect -- 302 -- modify -- The recipient or server is redirecting requests for this information to another entity.
+registration-required -- 407 -- auth -- The requesting entity is not authorized to access the requested service because registration is required.
+remote-server-not-found -- 404 -- cancel -- A remote server or service specified as part or all of the JID of the intended recipient does not exist.
+remote-server-timeout -- 504 -- wait -- A remote server or service specified as part or all of the JID of the intended recipient could not be contacted within a reasonable amount of time.
+resource-constraint -- 500 -- wait -- The server or recipient lacks the system resources necessary to service the request.
+service-unavailable -- 503 -- cancel -- The server or recipient does not currently provide the requested service.
+subscription-required -- 407 -- auth -- The requesting entity is not authorized to access the requested service because a subscription is required.
+undefined-condition -- 500 -- --
+unexpected-request -- 400 -- wait -- The recipient or server understood the request but was not expecting it at this time (e.g., the request was out of order)."""
+sasl_error_conditions="""
+aborted -- -- -- The receiving entity acknowledges an <abort/> element sent by the initiating entity; sent in reply to the <abort/> element.
+incorrect-encoding -- -- -- The data provided by the initiating entity could not be processed because the [BASE64]Josefsson, S., The Base16, Base32, and Base64 Data Encodings, July 2003. encoding is incorrect (e.g., because the encoding does not adhere to the definition in Section 3 of [BASE64]Josefsson, S., The Base16, Base32, and Base64 Data Encodings, July 2003.); sent in reply to a <response/> element or an <auth/> element with initial response data.
+invalid-authzid -- -- -- The authzid provided by the initiating entity is invalid, either because it is incorrectly formatted or because the initiating entity does not have permissions to authorize that ID; sent in reply to a <response/> element or an <auth/> element with initial response data.
+invalid-mechanism -- -- -- The initiating entity did not provide a mechanism or requested a mechanism that is not supported by the receiving entity; sent in reply to an <auth/> element.
+mechanism-too-weak -- -- -- The mechanism requested by the initiating entity is weaker than server policy permits for that initiating entity; sent in reply to a <response/> element or an <auth/> element with initial response data.
+not-authorized -- -- -- The authentication failed because the initiating entity did not provide valid credentials (this includes but is not limited to the case of an unknown username); sent in reply to a <response/> element or an <auth/> element with initial response data.
+temporary-auth-failure -- -- -- The authentication failed because of a temporary error condition within the receiving entity; sent in reply to an <auth/> element or <response/> element."""
+
+ERRORS,_errorcodes={},{}
+for ns,errname,errpool in [(NS_XMPP_STREAMS,'STREAM',xmpp_stream_error_conditions),
+ (NS_STANZAS ,'ERR' ,xmpp_stanza_error_conditions),
+ (NS_SASL ,'SASL' ,sasl_error_conditions)]:
+ for err in errpool.split('\n')[1:]:
+ cond,code,typ,text=err.split(' -- ')
+ name=errname+'_'+cond.upper().replace('-','_')
+ locals()[name]=ns+' '+cond
+ ERRORS[ns+' '+cond]=[code,typ,text]
+ if code: _errorcodes[code]=cond
+del ns,errname,errpool,err,cond,code,typ,text
+
+def isResultNode(node):
+ """ Returns true if the node is a positive reply. """
+ return node and node.getType()=='result'
+def isErrorNode(node):
+ """ Returns true if the node is a negative reply. """
+ return node and node.getType()=='error'
+
+class NodeProcessed(Exception):
+ """ Exception that should be raised by handler when the handling should be stopped. """
+class StreamError(Exception):
+ """ Base exception class for stream errors."""
+class BadFormat(StreamError): pass
+class BadNamespacePrefix(StreamError): pass
+class Conflict(StreamError): pass
+class ConnectionTimeout(StreamError): pass
+class HostGone(StreamError): pass
+class HostUnknown(StreamError): pass
+class ImproperAddressing(StreamError): pass
+class InternalServerError(StreamError): pass
+class InvalidFrom(StreamError): pass
+class InvalidID(StreamError): pass
+class InvalidNamespace(StreamError): pass
+class InvalidXML(StreamError): pass
+class NotAuthorized(StreamError): pass
+class PolicyViolation(StreamError): pass
+class RemoteConnectionFailed(StreamError): pass
+class ResourceConstraint(StreamError): pass
+class RestrictedXML(StreamError): pass
+class SeeOtherHost(StreamError): pass
+class SystemShutdown(StreamError): pass
+class UndefinedCondition(StreamError): pass
+class UnsupportedEncoding(StreamError): pass
+class UnsupportedStanzaType(StreamError): pass
+class UnsupportedVersion(StreamError): pass
+class XMLNotWellFormed(StreamError): pass
+
+stream_exceptions = {'bad-format': BadFormat,
+ 'bad-namespace-prefix': BadNamespacePrefix,
+ 'conflict': Conflict,
+ 'connection-timeout': ConnectionTimeout,
+ 'host-gone': HostGone,
+ 'host-unknown': HostUnknown,
+ 'improper-addressing': ImproperAddressing,
+ 'internal-server-error': InternalServerError,
+ 'invalid-from': InvalidFrom,
+ 'invalid-id': InvalidID,
+ 'invalid-namespace': InvalidNamespace,
+ 'invalid-xml': InvalidXML,
+ 'not-authorized': NotAuthorized,
+ 'policy-violation': PolicyViolation,
+ 'remote-connection-failed': RemoteConnectionFailed,
+ 'resource-constraint': ResourceConstraint,
+ 'restricted-xml': RestrictedXML,
+ 'see-other-host': SeeOtherHost,
+ 'system-shutdown': SystemShutdown,
+ 'undefined-condition': UndefinedCondition,
+ 'unsupported-encoding': UnsupportedEncoding,
+ 'unsupported-stanza-type': UnsupportedStanzaType,
+ 'unsupported-version': UnsupportedVersion,
+ 'xml-not-well-formed': XMLNotWellFormed}
+
+class JID:
+ """ JID object. JID can be built from string, modified, compared, serialised into string. """
+ def __init__(self, jid=None, node='', domain='', resource=''):
+ """ Constructor. JID can be specified as string (jid argument) or as separate parts.
+ Examples:
+ JID('node@domain/resource')
+ JID(node='node',domain='domain.org')
+ """
+ if not jid and not domain: raise ValueError('JID must contain at least domain name')
+ elif type(jid)==type(self): self.node,self.domain,self.resource=jid.node,jid.domain,jid.resource
+ elif domain: self.node,self.domain,self.resource=node,domain,resource
+ else:
+ if jid.find('@')+1: self.node,jid=jid.split('@',1)
+ else: self.node=''
+ if jid.find('/')+1: self.domain,self.resource=jid.split('/',1)
+ else: self.domain,self.resource=jid,''
+ def getNode(self):
+ """ Return the node part of the JID """
+ return self.node
+ def setNode(self,node):
+ """ Set the node part of the JID to new value. Specify None to remove the node part."""
+ self.node=node.lower()
+ def getDomain(self):
+ """ Return the domain part of the JID """
+ return self.domain
+ def setDomain(self,domain):
+ """ Set the domain part of the JID to new value."""
+ self.domain=domain.lower()
+ def getResource(self):
+ """ Return the resource part of the JID """
+ return self.resource
+ def setResource(self,resource):
+ """ Set the resource part of the JID to new value. Specify None to remove the resource part."""
+ self.resource=resource
+ def getStripped(self):
+ """ Return the bare representation of JID. I.e. string value w/o resource. """
+ return self.__str__(0)
+ def __eq__(self, other):
+ """ Compare the JID to another instance or to string for equality. """
+ try: other=JID(other)
+ except ValueError: return 0
+ return self.resource==other.resource and self.__str__(0) == other.__str__(0)
+ def __ne__(self, other):
+ """ Compare the JID to another instance or to string for non-equality. """
+ return not self.__eq__(other)
+ def bareMatch(self, other):
+ """ Compare the node and domain parts of the JID's for equality. """
+ return self.__str__(0) == JID(other).__str__(0)
+ def __str__(self,wresource=1):
+ """ Serialise JID into string. """
+ if self.node: jid=self.node+'@'+self.domain
+ else: jid=self.domain
+ if wresource and self.resource: return jid+'/'+self.resource
+ return jid
+ def __hash__(self):
+ """ Produce hash of the JID, Allows to use JID objects as keys of the dictionary. """
+ return hash(self.__str__())
+
+class Protocol(Node):
+ """ A "stanza" object class. Contains methods that are common for presences, iqs and messages. """
+ def __init__(self, name=None, to=None, typ=None, frm=None, attrs={}, payload=[], timestamp=None, xmlns=None, node=None):
+ """ Constructor, name is the name of the stanza i.e. 'message' or 'presence' or 'iq'.
+ to is the value of 'to' attribure, 'typ' - 'type' attribute
+ frn - from attribure, attrs - other attributes mapping, payload - same meaning as for simplexml payload definition
+ timestamp - the time value that needs to be stamped over stanza
+ xmlns - namespace of top stanza node
+ node - parsed or unparsed stana to be taken as prototype.
+ """
+ if not attrs: attrs={}
+ if to: attrs['to']=to
+ if frm: attrs['from']=frm
+ if typ: attrs['type']=typ
+ Node.__init__(self, tag=name, attrs=attrs, payload=payload, node=node)
+ if not node and xmlns: self.setNamespace(xmlns)
+ if self['to']: self.setTo(self['to'])
+ if self['from']: self.setFrom(self['from'])
+ if node and type(self)==type(node) and self.__class__==node.__class__ and self.attrs.has_key('id'): del self.attrs['id']
+ self.timestamp=None
+ for x in self.getTags('x',namespace=NS_DELAY):
+ try:
+ if not self.getTimestamp() or x.getAttr('stamp')<self.getTimestamp(): self.setTimestamp(x.getAttr('stamp'))
+ except: pass
+ if timestamp is not None: self.setTimestamp(timestamp) # To auto-timestamp stanza just pass timestamp=''
+ def getTo(self):
+ """ Return value of the 'to' attribute. """
+ try: return self['to']
+ except: return None
+ def getFrom(self):
+ """ Return value of the 'from' attribute. """
+ try: return self['from']
+ except: return None
+ def getTimestamp(self):
+ """ Return the timestamp in the 'yyyymmddThhmmss' format. """
+ return self.timestamp
+ def getID(self):
+ """ Return the value of the 'id' attribute. """
+ return self.getAttr('id')
+ def setTo(self,val):
+ """ Set the value of the 'to' attribute. """
+ self.setAttr('to', JID(val))
+ def getType(self):
+ """ Return the value of the 'type' attribute. """
+ return self.getAttr('type')
+ def setFrom(self,val):
+ """ Set the value of the 'from' attribute. """
+ self.setAttr('from', JID(val))
+ def setType(self,val):
+ """ Set the value of the 'type' attribute. """
+ self.setAttr('type', val)
+ def setID(self,val):
+ """ Set the value of the 'id' attribute. """
+ self.setAttr('id', val)
+ def getError(self):
+ """ Return the error-condition (if present) or the textual description of the error (otherwise). """
+ errtag=self.getTag('error')
+ if errtag:
+ for tag in errtag.getChildren():
+ if tag.getName()<>'text': return tag.getName()
+ return errtag.getData()
+ def getErrorCode(self):
+ """ Return the error code. Obsolette. """
+ return self.getTagAttr('error','code')
+ def setError(self,error,code=None):
+ """ Set the error code. Obsolette. Use error-conditions instead. """
+ if code:
+ if str(code) in _errorcodes.keys(): error=ErrorNode(_errorcodes[str(code)],text=error)
+ else: error=ErrorNode(ERR_UNDEFINED_CONDITION,code=code,typ='cancel',text=error)
+ elif type(error) in [type(''),type(u'')]: error=ErrorNode(error)
+ self.setType('error')
+ self.addChild(node=error)
+ def setTimestamp(self,val=None):
+ """Set the timestamp. timestamp should be the yyyymmddThhmmss string."""
+ if not val: val=time.strftime('%Y%m%dT%H:%M:%S', time.gmtime())
+ self.timestamp=val
+ self.setTag('x',{'stamp':self.timestamp},namespace=NS_DELAY)
+ def getProperties(self):
+ """ Return the list of namespaces to which belongs the direct childs of element"""
+ props=[]
+ for child in self.getChildren():
+ prop=child.getNamespace()
+ if prop not in props: props.append(prop)
+ return props
+ def __setitem__(self,item,val):
+ """ Set the item 'item' to the value 'val'."""
+ if item in ['to','from']: val=JID(val)
+ return self.setAttr(item,val)
+
+class Message(Protocol):
+ """ XMPP Message stanza - "push" mechanism."""
+ def __init__(self, to=None, body=None, typ=None, subject=None, attrs={}, frm=None, payload=[], timestamp=None, xmlns=NS_CLIENT, node=None):
+ """ Create message object. You can specify recipient, text of message, type of message
+ any additional attributes, sender of the message, any additional payload (f.e. jabber:x:delay element) and namespace in one go.
+ Alternatively you can pass in the other XML object as the 'node' parameted to replicate it as message. """
+ Protocol.__init__(self, 'message', to=to, typ=typ, attrs=attrs, frm=frm, payload=payload, timestamp=timestamp, xmlns=xmlns, node=node)
+ if body: self.setBody(body)
+ if subject: self.setSubject(subject)
+ def getBody(self):
+ """ Returns text of the message. """
+ return self.getTagData('body')
+ def getSubject(self):
+ """ Returns subject of the message. """
+ return self.getTagData('subject')
+ def getThread(self):
+ """ Returns thread of the message. """
+ return self.getTagData('thread')
+ def setBody(self,val):
+ """ Sets the text of the message. """
+ self.setTagData('body',val)
+ def setSubject(self,val):
+ """ Sets the subject of the message. """
+ self.setTagData('subject',val)
+ def setThread(self,val):
+ """ Sets the thread of the message. """
+ self.setTagData('thread',val)
+ def buildReply(self,text=None):
+ """ Builds and returns another message object with specified text.
+ The to, from and thread properties of new message are pre-set as reply to this message. """
+ m=Message(to=self.getFrom(),frm=self.getTo(),body=text)
+ th=self.getThread()
+ if th: m.setThread(th)
+ return m
+
+class Presence(Protocol):
+ """ XMPP Presence object."""
+ def __init__(self, to=None, typ=None, priority=None, show=None, status=None, attrs={}, frm=None, timestamp=None, payload=[], xmlns=NS_CLIENT, node=None):
+ """ Create presence object. You can specify recipient, type of message, priority, show and status values
+ any additional attributes, sender of the presence, timestamp, any additional payload (f.e. jabber:x:delay element) and namespace in one go.
+ Alternatively you can pass in the other XML object as the 'node' parameted to replicate it as presence. """
+ Protocol.__init__(self, 'presence', to=to, typ=typ, attrs=attrs, frm=frm, payload=payload, timestamp=timestamp, xmlns=xmlns, node=node)
+ if priority: self.setPriority(priority)
+ if show: self.setShow(show)
+ if status: self.setStatus(status)
+ def getPriority(self):
+ """ Returns the priority of the message. """
+ return self.getTagData('priority')
+ def getShow(self):
+ """ Returns the show value of the message. """
+ return self.getTagData('show')
+ def getStatus(self):
+ """ Returns the status string of the message. """
+ return self.getTagData('status')
+ def setPriority(self,val):
+ """ Sets the priority of the message. """
+ self.setTagData('priority',val)
+ def setShow(self,val):
+ """ Sets the show value of the message. """
+ self.setTagData('show',val)
+ def setStatus(self,val):
+ """ Sets the status string of the message. """
+ self.setTagData('status',val)
+
+ def _muc_getItemAttr(self,tag,attr):
+ for xtag in self.getTags('x'):
+ for child in xtag.getTags(tag):
+ return child.getAttr(attr)
+ def _muc_getSubTagDataAttr(self,tag,attr):
+ for xtag in self.getTags('x'):
+ for child in xtag.getTags('item'):
+ for cchild in child.getTags(tag):
+ return cchild.getData(),cchild.getAttr(attr)
+ return None,None
+ def getRole(self):
+ """Returns the presence role (for groupchat)"""
+ return self._muc_getItemAttr('item','role')
+ def getAffiliation(self):
+ """Returns the presence affiliation (for groupchat)"""
+ return self._muc_getItemAttr('item','affiliation')
+ def getNick(self):
+ """Returns the nick value (for nick change in groupchat)"""
+ return self._muc_getItemAttr('item','nick')
+ def getJid(self):
+ """Returns the presence jid (for groupchat)"""
+ return self._muc_getItemAttr('item','jid')
+ def getReason(self):
+ """Returns the reason of the presence (for groupchat)"""
+ return self._muc_getSubTagDataAttr('reason','')[0]
+ def getActor(self):
+ """Returns the reason of the presence (for groupchat)"""
+ return self._muc_getSubTagDataAttr('actor','jid')[1]
+ def getStatusCode(self):
+ """Returns the status code of the presence (for groupchat)"""
+ return self._muc_getItemAttr('status','code')
+
+class Iq(Protocol):
+ """ XMPP Iq object - get/set dialog mechanism. """
+ def __init__(self, typ=None, queryNS=None, attrs={}, to=None, frm=None, payload=[], xmlns=NS_CLIENT, node=None):
+ """ Create Iq object. You can specify type, query namespace
+ any additional attributes, recipient of the iq, sender of the iq, any additional payload (f.e. jabber:x:data node) and namespace in one go.
+ Alternatively you can pass in the other XML object as the 'node' parameted to replicate it as an iq. """
+ Protocol.__init__(self, 'iq', to=to, typ=typ, attrs=attrs, frm=frm, xmlns=xmlns, node=node)
+ if payload: self.setQueryPayload(payload)
+ if queryNS: self.setQueryNS(queryNS)
+ def getQueryNS(self):
+ """ Return the namespace of the 'query' child element."""
+ tag=self.getTag('query')
+ if tag: return tag.getNamespace()
+ def getQuerynode(self):
+ """ Return the 'node' attribute value of the 'query' child element."""
+ return self.getTagAttr('query','node')
+ def getQueryPayload(self):
+ """ Return the 'query' child element payload."""
+ tag=self.getTag('query')
+ if tag: return tag.getPayload()
+ def getQueryChildren(self):
+ """ Return the 'query' child element child nodes."""
+ tag=self.getTag('query')
+ if tag: return tag.getChildren()
+ def setQueryNS(self,namespace):
+ """ Set the namespace of the 'query' child element."""
+ self.setTag('query').setNamespace(namespace)
+ def setQueryPayload(self,payload):
+ """ Set the 'query' child element payload."""
+ self.setTag('query').setPayload(payload)
+ def setQuerynode(self,node):
+ """ Set the 'node' attribute value of the 'query' child element."""
+ self.setTagAttr('query','node',node)
+ def buildReply(self,typ):
+ """ Builds and returns another Iq object of specified type.
+ The to, from and query child node of new Iq are pre-set as reply to this Iq. """
+ iq=Iq(typ,to=self.getFrom(),frm=self.getTo(),attrs={'id':self.getID()})
+ if self.getTag('query'): iq.setQueryNS(self.getQueryNS())
+ return iq
+
+class ErrorNode(Node):
+ """ XMPP-style error element.
+ In the case of stanza error should be attached to XMPP stanza.
+ In the case of stream-level errors should be used separately. """
+ def __init__(self,name,code=None,typ=None,text=None):
+ """ Create new error node object.
+ Mandatory parameter: name - name of error condition.
+ Optional parameters: code, typ, text. Used for backwards compartibility with older jabber protocol."""
+ if ERRORS.has_key(name):
+ cod,type,txt=ERRORS[name]
+ ns=name.split()[0]
+ else: cod,ns,type,txt='500',NS_STANZAS,'cancel',''
+ if typ: type=typ
+ if code: cod=code
+ if text: txt=text
+ Node.__init__(self,'error',{},[Node(name)])
+ if type: self.setAttr('type',type)
+ if not cod: self.setName('stream:error')
+ if txt: self.addChild(node=Node(ns+' text',{},[txt]))
+ if cod: self.setAttr('code',cod)
+
+class Error(Protocol):
+ """ Used to quickly transform received stanza into error reply."""
+ def __init__(self,node,error,reply=1):
+ """ Create error reply basing on the received 'node' stanza and the 'error' error condition.
+ If the 'node' is not the received stanza but locally created ('to' and 'from' fields needs not swapping)
+ specify the 'reply' argument as false."""
+ if reply: Protocol.__init__(self,to=node.getFrom(),frm=node.getTo(),node=node)
+ else: Protocol.__init__(self,node=node)
+ self.setError(error)
+ if node.getType()=='error': self.__str__=self.__dupstr__
+ def __dupstr__(self,dup1=None,dup2=None):
+ """ Dummy function used as preventor of creating error node in reply to error node.
+ I.e. you will not be able to serialise "double" error into string.
+ """
+ return ''
+
+class DataField(Node):
+ """ This class is used in the DataForm class to describe the single data item.
+ If you are working with jabber:x:data (XEP-0004, XEP-0068, XEP-0122)
+ then you will need to work with instances of this class. """
+ def __init__(self,name=None,value=None,typ=None,required=0,label=None,desc=None,options=[],node=None):
+ """ Create new data field of specified name,value and type.
+ Also 'required','desc' and 'options' fields can be set.
+ Alternatively other XML object can be passed in as the 'node' parameted to replicate it as a new datafiled.
+ """
+ Node.__init__(self,'field',node=node)
+ if name: self.setVar(name)
+ if type(value) in [list,tuple]: self.setValues(value)
+ elif value: self.setValue(value)
+ if typ: self.setType(typ)
+ elif not typ and not node: self.setType('text-single')
+ if required: self.setRequired(required)
+ if label: self.setLabel(label)
+ if desc: self.setDesc(desc)
+ if options: self.setOptions(options)
+ def setRequired(self,req=1):
+ """ Change the state of the 'required' flag. """
+ if req: self.setTag('required')
+ else:
+ try: self.delChild('required')
+ except ValueError: return
+ def isRequired(self):
+ """ Returns in this field a required one. """
+ return self.getTag('required')
+ def setLabel(self,label):
+ """ Set the label of this field. """
+ self.setAttr('label',label)
+ def getLabel(self):
+ """ Return the label of this field. """
+ return self.getAttr('label')
+ def setDesc(self,desc):
+ """ Set the description of this field. """
+ self.setTagData('desc',desc)
+ def getDesc(self):
+ """ Return the description of this field. """
+ return self.getTagData('desc')
+ def setValue(self,val):
+ """ Set the value of this field. """
+ self.setTagData('value',val)
+ def getValue(self):
+ return self.getTagData('value')
+ def setValues(self,lst):
+ """ Set the values of this field as values-list.
+ Replaces all previous filed values! If you need to just add a value - use addValue method."""
+ while self.getTag('value'): self.delChild('value')
+ for val in lst: self.addValue(val)
+ def addValue(self,val):
+ """ Add one more value to this field. Used in 'get' iq's or such."""
+ self.addChild('value',{},[val])
+ def getValues(self):
+ """ Return the list of values associated with this field."""
+ ret=[]
+ for tag in self.getTags('value'): ret.append(tag.getData())
+ return ret
+ def getOptions(self):
+ """ Return label-option pairs list associated with this field."""
+ ret=[]
+ for tag in self.getTags('option'): ret.append([tag.getAttr('label'),tag.getTagData('value')])
+ return ret
+ def setOptions(self,lst):
+ """ Set label-option pairs list associated with this field."""
+ while self.getTag('option'): self.delChild('option')
+ for opt in lst: self.addOption(opt)
+ def addOption(self,opt):
+ """ Add one more label-option pair to this field."""
+ if type(opt) in [str,unicode]: self.addChild('option').setTagData('value',opt)
+ else: self.addChild('option',{'label':opt[0]}).setTagData('value',opt[1])
+ def getType(self):
+ """ Get type of this field. """
+ return self.getAttr('type')
+ def setType(self,val):
+ """ Set type of this field. """
+ return self.setAttr('type',val)
+ def getVar(self):
+ """ Get 'var' attribute value of this field. """
+ return self.getAttr('var')
+ def setVar(self,val):
+ """ Set 'var' attribute value of this field. """
+ return self.setAttr('var',val)
+
+class DataReported(Node):
+ """ This class is used in the DataForm class to describe the 'reported data field' data items which are used in
+ 'multiple item form results' (as described in XEP-0004).
+ Represents the fields that will be returned from a search. This information is useful when
+ you try to use the jabber:iq:search namespace to return dynamic form information.
+ """
+ def __init__(self,node=None):
+ """ Create new empty 'reported data' field. However, note that, according XEP-0004:
+ * It MUST contain one or more DataFields.
+ * Contained DataFields SHOULD possess a 'type' and 'label' attribute in addition to 'var' attribute
+ * Contained DataFields SHOULD NOT contain a <value/> element.
+ Alternatively other XML object can be passed in as the 'node' parameted to replicate it as a new
+ dataitem.
+ """
+ Node.__init__(self,'reported',node=node)
+ if node:
+ newkids=[]
+ for n in self.getChildren():
+ if n.getName()=='field': newkids.append(DataField(node=n))
+ else: newkids.append(n)
+ self.kids=newkids
+ def getField(self,name):
+ """ Return the datafield object with name 'name' (if exists). """
+ return self.getTag('field',attrs={'var':name})
+ def setField(self,name,typ=None,label=None):
+ """ Create if nessessary or get the existing datafield object with name 'name' and return it.
+ If created, attributes 'type' and 'label' are applied to new datafield."""
+ f=self.getField(name)
+ if f: return f
+ return self.addChild(node=DataField(name,None,typ,0,label))
+ def asDict(self):
+ """ Represent dataitem as simple dictionary mapping of datafield names to their values."""
+ ret={}
+ for field in self.getTags('field'):
+ name=field.getAttr('var')
+ typ=field.getType()
+ if isinstance(typ,(str,unicode)) and typ[-6:]=='-multi':
+ val=[]
+ for i in field.getTags('value'): val.append(i.getData())
+ else: val=field.getTagData('value')
+ ret[name]=val
+ if self.getTag('instructions'): ret['instructions']=self.getInstructions()
+ return ret
+ def __getitem__(self,name):
+ """ Simple dictionary interface for getting datafields values by their names."""
+ item=self.getField(name)
+ if item: return item.getValue()
+ raise IndexError('No such field')
+ def __setitem__(self,name,val):
+ """ Simple dictionary interface for setting datafields values by their names."""
+ return self.setField(name).setValue(val)
+
+class DataItem(Node):
+ """ This class is used in the DataForm class to describe data items which are used in 'multiple
+ item form results' (as described in XEP-0004).
+ """
+ def __init__(self,node=None):
+ """ Create new empty data item. However, note that, according XEP-0004, DataItem MUST contain ALL
+ DataFields described in DataReported.
+ Alternatively other XML object can be passed in as the 'node' parameted to replicate it as a new
+ dataitem.
+ """
+ Node.__init__(self,'item',node=node)
+ if node:
+ newkids=[]
+ for n in self.getChildren():
+ if n.getName()=='field': newkids.append(DataField(node=n))
+ else: newkids.append(n)
+ self.kids=newkids
+ def getField(self,name):
+ """ Return the datafield object with name 'name' (if exists). """
+ return self.getTag('field',attrs={'var':name})
+ def setField(self,name):
+ """ Create if nessessary or get the existing datafield object with name 'name' and return it. """
+ f=self.getField(name)
+ if f: return f
+ return self.addChild(node=DataField(name))
+ def asDict(self):
+ """ Represent dataitem as simple dictionary mapping of datafield names to their values."""
+ ret={}
+ for field in self.getTags('field'):
+ name=field.getAttr('var')
+ typ=field.getType()
+ if isinstance(typ,(str,unicode)) and typ[-6:]=='-multi':
+ val=[]
+ for i in field.getTags('value'): val.append(i.getData())
+ else: val=field.getTagData('value')
+ ret[name]=val
+ if self.getTag('instructions'): ret['instructions']=self.getInstructions()
+ return ret
+ def __getitem__(self,name):
+ """ Simple dictionary interface for getting datafields values by their names."""
+ item=self.getField(name)
+ if item: return item.getValue()
+ raise IndexError('No such field')
+ def __setitem__(self,name,val):
+ """ Simple dictionary interface for setting datafields values by their names."""
+ return self.setField(name).setValue(val)
+
+class DataForm(Node):
+ """ DataForm class. Used for manipulating dataforms in XMPP.
+ Relevant XEPs: 0004, 0068, 0122.
+ Can be used in disco, pub-sub and many other applications."""
+ def __init__(self, typ=None, data=[], title=None, node=None):
+ """
+ Create new dataform of type 'typ'; 'data' is the list of DataReported,
+ DataItem and DataField instances that this dataform contains; 'title'
+ is the title string.
+ You can specify the 'node' argument as the other node to be used as
+ base for constructing this dataform.
+
+ title and instructions is optional and SHOULD NOT contain newlines.
+ Several instructions MAY be present.
+ 'typ' can be one of ('form' | 'submit' | 'cancel' | 'result' )
+ 'typ' of reply iq can be ( 'result' | 'set' | 'set' | 'result' ) respectively.
+ 'cancel' form can not contain any fields. All other forms contains AT LEAST one field.
+ 'title' MAY be included in forms of type "form" and "result"
+ """
+ Node.__init__(self,'x',node=node)
+ if node:
+ newkids=[]
+ for n in self.getChildren():
+ if n.getName()=='field': newkids.append(DataField(node=n))
+ elif n.getName()=='item': newkids.append(DataItem(node=n))
+ elif n.getName()=='reported': newkids.append(DataReported(node=n))
+ else: newkids.append(n)
+ self.kids=newkids
+ if typ: self.setType(typ)
+ self.setNamespace(NS_DATA)
+ if title: self.setTitle(title)
+ if type(data)==type({}):
+ newdata=[]
+ for name in data.keys(): newdata.append(DataField(name,data[name]))
+ data=newdata
+ for child in data:
+ if type(child) in [type(''),type(u'')]: self.addInstructions(child)
+ elif child.__class__.__name__=='DataField': self.kids.append(child)
+ elif child.__class__.__name__=='DataItem': self.kids.append(child)
+ elif child.__class__.__name__=='DataReported': self.kids.append(child)
+ else: self.kids.append(DataField(node=child))
+ def getType(self):
+ """ Return the type of dataform. """
+ return self.getAttr('type')
+ def setType(self,typ):
+ """ Set the type of dataform. """
+ self.setAttr('type',typ)
+ def getTitle(self):
+ """ Return the title of dataform. """
+ return self.getTagData('title')
+ def setTitle(self,text):
+ """ Set the title of dataform. """
+ self.setTagData('title',text)
+ def getInstructions(self):
+ """ Return the instructions of dataform. """
+ return self.getTagData('instructions')
+ def setInstructions(self,text):
+ """ Set the instructions of dataform. """
+ self.setTagData('instructions',text)
+ def addInstructions(self,text):
+ """ Add one more instruction to the dataform. """
+ self.addChild('instructions',{},[text])
+ def getField(self,name):
+ """ Return the datafield object with name 'name' (if exists). """
+ return self.getTag('field',attrs={'var':name})
+ def setField(self,name):
+ """ Create if nessessary or get the existing datafield object with name 'name' and return it. """
+ f=self.getField(name)
+ if f: return f
+ return self.addChild(node=DataField(name))
+ def asDict(self):
+ """ Represent dataform as simple dictionary mapping of datafield names to their values."""
+ ret={}
+ for field in self.getTags('field'):
+ name=field.getAttr('var')
+ typ=field.getType()
+ if isinstance(typ,(str,unicode)) and typ[-6:]=='-multi':
+ val=[]
+ for i in field.getTags('value'): val.append(i.getData())
+ else: val=field.getTagData('value')
+ ret[name]=val
+ if self.getTag('instructions'): ret['instructions']=self.getInstructions()
+ return ret
+ def __getitem__(self,name):
+ """ Simple dictionary interface for getting datafields values by their names."""
+ item=self.getField(name)
+ if item: return item.getValue()
+ raise IndexError('No such field')
+ def __setitem__(self,name,val):
+ """ Simple dictionary interface for setting datafields values by their names."""
+ return self.setField(name).setValue(val)