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"""
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 . import base
import logging
from xml.etree import cElementTree as ET
import traceback
import time
class xep_0050(base.base_plugin):
"""
XEP-0050 Ad-Hoc Commands
"""
def plugin_init(self):
self.xep = '0050'
self.description = 'Ad-Hoc Commands'
self.xmpp.add_handler("<iq type='set' xmlns='%s'><command xmlns='http://jabber.org/protocol/commands' action='__None__'/></iq>" % self.xmpp.default_ns, self.handler_command)
self.xmpp.add_handler("<iq type='set' xmlns='%s'><command xmlns='http://jabber.org/protocol/commands' action='execute'/></iq>" % self.xmpp.default_ns, self.handler_command)
self.xmpp.add_handler("<iq type='set' xmlns='%s'><command xmlns='http://jabber.org/protocol/commands' action='next'/></iq>" % self.xmpp.default_ns, self.handler_command_next, threaded=True)
self.xmpp.add_handler("<iq type='set' xmlns='%s'><command xmlns='http://jabber.org/protocol/commands' action='cancel'/></iq>" % self.xmpp.default_ns, self.handler_command_cancel)
self.xmpp.add_handler("<iq type='set' xmlns='%s'><command xmlns='http://jabber.org/protocol/commands' action='complete'/></iq>" % self.xmpp.default_ns, self.handler_command_complete)
self.commands = {}
self.sessions = {}
def post_init(self):
self.xmpp['xep_0030'].add_feature('http://jabber.org/protocol/commands')
def addCommand(self, node, name, form, pointer=None, multi=False):
self.xmpp['xep_0030'].add_item(None, name, 'http://jabber.org/protocol/commands', node)
self.xmpp['xep_0030'].add_identity('automation', 'command-node', name, node)
self.xmpp['xep_0030'].add_feature('http://jabber.org/protocol/commands', node)
self.xmpp['xep_0030'].add_feature('jabber:x:data', node)
self.commands[node] = (name, form, pointer, multi)
def getNewSession(self):
return str(time.time()) + '-' + self.xmpp.getNewId()
def handler_command(self, xml):
in_command = xml.find('{http://jabber.org/protocol/commands}command')
sessionid = in_command.get('sessionid', None)
node = in_command.get('node')
sessionid = self.getNewSession()
name, form, pointer, multi = self.commands[node]
self.sessions[sessionid] = {}
self.sessions[sessionid]['jid'] = xml.get('from')
self.sessions[sessionid]['past'] = [(form, None)]
self.sessions[sessionid]['next'] = pointer
npointer = pointer
if multi:
actions = ['next']
status = 'executing'
else:
if pointer is None:
status = 'completed'
actions = []
else:
status = 'executing'
actions = ['complete']
self.xmpp.send(self.makeCommand(xml.attrib['from'], in_command.attrib['node'], form=form, id=xml.attrib['id'], sessionid=sessionid, status=status, actions=actions))
def handler_command_complete(self, xml):
in_command = xml.find('{http://jabber.org/protocol/commands}command')
sessionid = in_command.get('sessionid', None)
pointer = self.sessions[sessionid]['next']
results = self.xmpp['xep_0004'].makeForm('result')
results.fromXML(in_command.find('{jabber:x:data}x'))
pointer(results,sessioni)
self.xmpp.send(self.makeCommand(xml.attrib['from'], in_command.attrib['node'], form=None, id=xml.attrib['id'], sessionid=sessionid, status='completed', actions=[]))
del self.sessions[in_command.get('sessionid')]
def handler_command_next(self, xml):
in_command = xml.find('{http://jabber.org/protocol/commands}command')
sessionid = in_command.get('sessionid', None)
pointer = self.sessions[sessionid]['next']
results = self.xmpp['xep_0004'].makeForm('result')
results.fromXML(in_command.find('{jabber:x:data}x'))
form, npointer, next = pointer(results,sessionid)
self.sessions[sessionid]['next'] = npointer
self.sessions[sessionid]['past'].append((form, pointer))
actions = []
actions.append('prev')
if npointer is None:
status = 'completed'
else:
status = 'executing'
if next:
actions.append('next')
else:
actions.append('complete')
self.xmpp.send(self.makeCommand(xml.attrib['from'], in_command.attrib['node'], form=form, id=xml.attrib['id'], sessionid=sessionid, status=status, actions=actions))
def handler_command_cancel(self, xml):
command = xml.find('{http://jabber.org/protocol/commands}command')
try:
del self.sessions[command.get('sessionid')]
except:
pass
self.xmpp.send(self.makeCommand(xml.attrib['from'], command.attrib['node'], id=xml.attrib['id'], sessionid=command.attrib['sessionid'], status='canceled'))
def makeCommand(self, to, node, id=None, form=None, sessionid=None, status='executing', actions=[]):
if not id:
id = self.xmpp.getNewId()
iq = self.xmpp.makeIqResult(id)
iq.attrib['from'] = self.xmpp.fulljid
iq.attrib['to'] = to
command = ET.Element('{http://jabber.org/protocol/commands}command')
command.attrib['node'] = node
command.attrib['status'] = status
xmlactions = ET.Element('actions')
for action in actions:
xmlactions.append(ET.Element(action))
if xmlactions:
command.append(xmlactions)
if not sessionid:
sessionid = self.getNewSession()
command.attrib['sessionid'] = sessionid
if form is not None:
if hasattr(form,'getXML'):
form = form.getXML()
command.append(form)
iq.append(command)
return iq
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