improved code by reordering imports, adding some type hints, using standard dict instead of OrderedDict, etc. New sequence method/adHocSequence bridge method allow to easily send a sequence of data to a well known ad-hoc node.
837 lines
31 KiB
Python
837 lines
31 KiB
Python
#!/usr/bin/env python3
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# SAT plugin for Ad-Hoc Commands (XEP-0050)
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# Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from collections import namedtuple
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from uuid import uuid4
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from typing import List, Optional
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from zope.interface import implementer
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from twisted.words.protocols.jabber import jid
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from twisted.words.protocols import jabber
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from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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from twisted.words.xish import domish
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from twisted.internet import defer
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from wokkel import disco, iwokkel, data_form
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from sat.core.i18n import _, D_
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from sat.core.constants import Const as C
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from sat.core.log import getLogger
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from sat.core.xmpp import SatXMPPEntity
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from sat.core import exceptions
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from sat.memory.memory import Sessions
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from sat.tools import xml_tools
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from sat.tools.common import data_format
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log = getLogger(__name__)
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IQ_SET = '/iq[@type="set"]'
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NS_COMMANDS = "http://jabber.org/protocol/commands"
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ID_CMD_LIST = disco.DiscoIdentity("automation", "command-list")
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ID_CMD_NODE = disco.DiscoIdentity("automation", "command-node")
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CMD_REQUEST = IQ_SET + '/command[@xmlns="' + NS_COMMANDS + '"]'
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SHOWS = {
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"default": _("Online"),
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"away": _("Away"),
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"chat": _("Free for chat"),
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"dnd": _("Do not disturb"),
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"xa": _("Left"),
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"disconnect": _("Disconnect"),
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}
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PLUGIN_INFO = {
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C.PI_NAME: "Ad-Hoc Commands",
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C.PI_IMPORT_NAME: "XEP-0050",
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C.PI_MODES: C.PLUG_MODE_BOTH,
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C.PI_TYPE: "XEP",
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C.PI_PROTOCOLS: ["XEP-0050"],
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C.PI_MAIN: "XEP_0050",
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C.PI_HANDLER: "yes",
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C.PI_DESCRIPTION: _("""Implementation of Ad-Hoc Commands"""),
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}
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class AdHocError(Exception):
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def __init__(self, error_const):
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""" Error to be used from callback
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@param error_const: one of XEP_0050.ERROR
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"""
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assert error_const in XEP_0050.ERROR
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self.callback_error = error_const
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@implementer(iwokkel.IDisco)
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class AdHocCommand(XMPPHandler):
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def __init__(self, callback, label, node, features, timeout,
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allowed_jids, allowed_groups, allowed_magics, forbidden_jids,
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forbidden_groups):
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XMPPHandler.__init__(self)
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self.callback = callback
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self.label = label
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self.node = node
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self.features = [disco.DiscoFeature(feature) for feature in features]
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(
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self.allowed_jids,
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self.allowed_groups,
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self.allowed_magics,
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self.forbidden_jids,
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self.forbidden_groups,
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) = (
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allowed_jids,
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allowed_groups,
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allowed_magics,
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forbidden_jids,
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forbidden_groups,
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)
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self.sessions = Sessions(timeout=timeout)
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@property
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def client(self):
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return self.parent
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def getName(self, xml_lang=None):
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return self.label
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def isAuthorised(self, requestor):
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if "@ALL@" in self.allowed_magics:
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return True
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forbidden = set(self.forbidden_jids)
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for group in self.forbidden_groups:
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forbidden.update(self.client.roster.getJidsFromGroup(group))
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if requestor.userhostJID() in forbidden:
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return False
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allowed = set(self.allowed_jids)
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for group in self.allowed_groups:
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try:
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allowed.update(self.client.roster.getJidsFromGroup(group))
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except exceptions.UnknownGroupError:
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log.warning(_("The groups [{group}] is unknown for profile [{profile}])")
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.format(group=group, profile=self.client.profile))
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if requestor.userhostJID() in allowed:
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return True
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return False
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def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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if (
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nodeIdentifier != NS_COMMANDS
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): # FIXME: we should manage other disco nodes here
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return []
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# identities = [ID_CMD_LIST if self.node == NS_COMMANDS else ID_CMD_NODE] # FIXME
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return [disco.DiscoFeature(NS_COMMANDS)] + self.features
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def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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return []
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def _sendAnswer(self, callback_data, session_id, request):
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""" Send result of the command
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@param callback_data: tuple (payload, status, actions, note) with:
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- payload (domish.Element, None) usualy containing data form
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- status: current status, see XEP_0050.STATUS
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- actions(list[str], None): list of allowed actions (see XEP_0050.ACTION).
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First action is the default one. Default to EXECUTE
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- note(tuple[str, unicode]): optional additional note: either None or a
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tuple with (note type, human readable string), "note type" being in
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XEP_0050.NOTE
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@param session_id: current session id
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@param request: original request (domish.Element)
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@return: deferred
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"""
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payload, status, actions, note = callback_data
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assert isinstance(payload, domish.Element) or payload is None
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assert status in XEP_0050.STATUS
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if not actions:
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actions = [XEP_0050.ACTION.EXECUTE]
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result = domish.Element((None, "iq"))
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result["type"] = "result"
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result["id"] = request["id"]
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result["to"] = request["from"]
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command_elt = result.addElement("command", NS_COMMANDS)
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command_elt["sessionid"] = session_id
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command_elt["node"] = self.node
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command_elt["status"] = status
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if status != XEP_0050.STATUS.CANCELED:
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if status != XEP_0050.STATUS.COMPLETED:
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actions_elt = command_elt.addElement("actions")
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actions_elt["execute"] = actions[0]
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for action in actions:
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actions_elt.addElement(action)
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if note is not None:
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note_type, note_mess = note
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note_elt = command_elt.addElement("note", content=note_mess)
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note_elt["type"] = note_type
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if payload is not None:
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command_elt.addChild(payload)
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self.client.send(result)
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if status in (XEP_0050.STATUS.COMPLETED, XEP_0050.STATUS.CANCELED):
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del self.sessions[session_id]
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def _sendError(self, error_constant, session_id, request):
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""" Send error stanza
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@param error_constant: one of XEP_OO50.ERROR
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@param request: original request (domish.Element)
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"""
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xmpp_condition, cmd_condition = error_constant
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iq_elt = jabber.error.StanzaError(xmpp_condition).toResponse(request)
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if cmd_condition:
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error_elt = next(iq_elt.elements(None, "error"))
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error_elt.addElement(cmd_condition, NS_COMMANDS)
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self.client.send(iq_elt)
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del self.sessions[session_id]
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def _requestEb(self, failure_, request, session_id):
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if failure_.check(AdHocError):
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error_constant = failure.value.callback_error
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else:
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log.error(f"unexpected error while handling request: {failure_}")
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error_constant = XEP_0050.ERROR.INTERNAL
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self._sendError(error_constant, session_id, request)
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def onRequest(self, command_elt, requestor, action, session_id):
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if not self.isAuthorised(requestor):
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return self._sendError(
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XEP_0050.ERROR.FORBIDDEN, session_id, command_elt.parent
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)
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if session_id:
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try:
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session_data = self.sessions[session_id]
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except KeyError:
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return self._sendError(
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XEP_0050.ERROR.SESSION_EXPIRED, session_id, command_elt.parent
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)
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if session_data["requestor"] != requestor:
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return self._sendError(
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XEP_0050.ERROR.FORBIDDEN, session_id, command_elt.parent
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)
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else:
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session_id, session_data = self.sessions.newSession()
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session_data["requestor"] = requestor
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if action == XEP_0050.ACTION.CANCEL:
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d = defer.succeed((None, XEP_0050.STATUS.CANCELED, None, None))
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else:
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d = defer.maybeDeferred(
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self.callback,
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self.client,
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command_elt,
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session_data,
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action,
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self.node,
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)
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d.addCallback(self._sendAnswer, session_id, command_elt.parent)
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d.addErrback(self._requestEb, command_elt.parent, session_id)
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class XEP_0050(object):
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STATUS = namedtuple("Status", ("EXECUTING", "COMPLETED", "CANCELED"))(
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"executing", "completed", "canceled"
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)
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ACTION = namedtuple("Action", ("EXECUTE", "CANCEL", "NEXT", "PREV"))(
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"execute", "cancel", "next", "prev"
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)
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NOTE = namedtuple("Note", ("INFO", "WARN", "ERROR"))("info", "warn", "error")
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ERROR = namedtuple(
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"Error",
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(
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"MALFORMED_ACTION",
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"BAD_ACTION",
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"BAD_LOCALE",
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"BAD_PAYLOAD",
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"BAD_SESSIONID",
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"SESSION_EXPIRED",
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"FORBIDDEN",
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"ITEM_NOT_FOUND",
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"FEATURE_NOT_IMPLEMENTED",
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"INTERNAL",
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),
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)(
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("bad-request", "malformed-action"),
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("bad-request", "bad-action"),
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("bad-request", "bad-locale"),
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("bad-request", "bad-payload"),
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("bad-request", "bad-sessionid"),
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("not-allowed", "session-expired"),
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("forbidden", None),
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("item-not-found", None),
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("feature-not-implemented", None),
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("internal-server-error", None),
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) # XEP-0050 §4.4 Table 5
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def __init__(self, host):
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log.info(_("plugin XEP-0050 initialization"))
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self.host = host
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self.requesting = Sessions()
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host.bridge.addMethod(
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"adHocRun",
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".plugin",
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in_sign="sss",
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out_sign="s",
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method=self._run,
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async_=True,
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)
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host.bridge.addMethod(
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"adHocList",
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".plugin",
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in_sign="ss",
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out_sign="s",
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method=self._listUI,
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async_=True,
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)
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host.bridge.addMethod(
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"adHocSequence",
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".plugin",
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in_sign="ssss",
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out_sign="s",
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method=self._sequence,
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async_=True,
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)
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self.__requesting_id = host.registerCallback(
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self._requestingEntity, with_data=True
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)
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host.importMenu(
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(D_("Service"), D_("Commands")),
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self._commandsMenu,
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security_limit=2,
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help_string=D_("Execute ad-hoc commands"),
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)
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host.registerNamespace('commands', NS_COMMANDS)
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def getHandler(self, client):
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return XEP_0050_handler(self)
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def profileConnected(self, client):
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# map from node to AdHocCommand instance
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client._XEP_0050_commands = {}
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if not client.is_component:
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self.addAdHocCommand(client, self._statusCallback, _("Status"))
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def do(self, client, entity, node, action=ACTION.EXECUTE, session_id=None,
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form_values=None, timeout=30):
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"""Do an Ad-Hoc Command
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@param entity(jid.JID): entity which will execture the command
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@param node(unicode): node of the command
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@param action(unicode): one of XEP_0050.ACTION
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@param session_id(unicode, None): id of the ad-hoc session
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None if no session is involved
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@param form_values(dict, None): values to use to create command form
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values will be passed to data_form.Form.makeFields
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@return: iq result element
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"""
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iq_elt = client.IQ(timeout=timeout)
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iq_elt["to"] = entity.full()
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command_elt = iq_elt.addElement("command", NS_COMMANDS)
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command_elt["node"] = node
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command_elt["action"] = action
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if session_id is not None:
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command_elt["sessionid"] = session_id
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if form_values:
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# We add the XMLUI result to the command payload
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form = data_form.Form("submit")
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form.makeFields(form_values)
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command_elt.addChild(form.toElement())
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d = iq_elt.send()
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return d
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def getCommandElt(self, iq_elt):
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try:
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return next(iq_elt.elements(NS_COMMANDS, "command"))
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except StopIteration:
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raise exceptions.NotFound(_("Missing command element"))
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def adHocError(self, error_type):
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"""Shortcut to raise an AdHocError
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@param error_type(unicode): one of XEP_0050.ERROR
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"""
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raise AdHocError(error_type)
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def _items2XMLUI(self, items, no_instructions):
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"""Convert discovery items to XMLUI dialog """
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# TODO: manage items on different jids
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form_ui = xml_tools.XMLUI("form", submit_id=self.__requesting_id)
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if not no_instructions:
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form_ui.addText(_("Please select a command"), "instructions")
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options = [(item.nodeIdentifier, item.name) for item in items]
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form_ui.addList("node", options)
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return form_ui
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def _getDataLvl(self, type_):
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"""Return the constant corresponding to <note/> type attribute value
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@param type_: note type (see XEP-0050 §4.3)
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@return: a C.XMLUI_DATA_LVL_* constant
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"""
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if type_ == "error":
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return C.XMLUI_DATA_LVL_ERROR
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elif type_ == "warn":
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return C.XMLUI_DATA_LVL_WARNING
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else:
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if type_ != "info":
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log.warning(_("Invalid note type [%s], using info") % type_)
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return C.XMLUI_DATA_LVL_INFO
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def _mergeNotes(self, notes):
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"""Merge notes with level prefix (e.g. "ERROR: the message")
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@param notes (list): list of tuple (level, message)
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@return: list of messages
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"""
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lvl_map = {
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C.XMLUI_DATA_LVL_INFO: "",
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C.XMLUI_DATA_LVL_WARNING: "%s: " % _("WARNING"),
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C.XMLUI_DATA_LVL_ERROR: "%s: " % _("ERROR"),
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}
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return ["%s%s" % (lvl_map[lvl], msg) for lvl, msg in notes]
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def parseCommandAnswer(self, iq_elt):
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command_elt = self.getCommandElt(iq_elt)
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data = {}
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data["status"] = command_elt.getAttribute("status", XEP_0050.STATUS.EXECUTING)
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data["session_id"] = command_elt.getAttribute("sessionid")
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data["notes"] = notes = []
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for note_elt in command_elt.elements(NS_COMMANDS, "note"):
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notes.append(
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(
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self._getDataLvl(note_elt.getAttribute("type", "info")),
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str(note_elt),
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)
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)
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return command_elt, data
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def _commandsAnswer2XMLUI(self, iq_elt, session_id, session_data):
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"""Convert command answer to an ui for frontend
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@param iq_elt: command result
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@param session_id: id of the session used with the frontend
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@param profile_key: %(doc_profile_key)s
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"""
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command_elt, answer_data = self.parseCommandAnswer(iq_elt)
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status = answer_data["status"]
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if status in [XEP_0050.STATUS.COMPLETED, XEP_0050.STATUS.CANCELED]:
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# the command session is finished, we purge our session
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del self.requesting[session_id]
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if status == XEP_0050.STATUS.COMPLETED:
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session_id = None
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else:
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return None
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remote_session_id = answer_data["session_id"]
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if remote_session_id:
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session_data["remote_id"] = remote_session_id
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notes = answer_data["notes"]
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for data_elt in command_elt.elements(data_form.NS_X_DATA, "x"):
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if data_elt["type"] in ("form", "result"):
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break
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else:
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# no matching data element found
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if status != XEP_0050.STATUS.COMPLETED:
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log.warning(
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_("No known payload found in ad-hoc command result, aborting")
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)
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del self.requesting[session_id]
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return xml_tools.XMLUI(
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C.XMLUI_DIALOG,
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dialog_opt={
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C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_NOTE,
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C.XMLUI_DATA_MESS: _("No payload found"),
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C.XMLUI_DATA_LVL: C.XMLUI_DATA_LVL_ERROR,
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},
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)
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if not notes:
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# the status is completed, and we have no note to show
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return None
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# if we have only one note, we show a dialog with the level of the note
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# if we have more, we show a dialog with "info" level, and all notes merged
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dlg_level = notes[0][0] if len(notes) == 1 else C.XMLUI_DATA_LVL_INFO
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return xml_tools.XMLUI(
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C.XMLUI_DIALOG,
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dialog_opt={
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C.XMLUI_DATA_TYPE: C.XMLUI_DIALOG_NOTE,
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C.XMLUI_DATA_MESS: "\n".join(self._mergeNotes(notes)),
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C.XMLUI_DATA_LVL: dlg_level,
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},
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session_id=session_id,
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)
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if session_id is None:
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return xml_tools.dataFormEltResult2XMLUI(data_elt)
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form = data_form.Form.fromElement(data_elt)
|
|
# we add any present note to the instructions
|
|
form.instructions.extend(self._mergeNotes(notes))
|
|
return xml_tools.dataForm2XMLUI(form, self.__requesting_id, session_id=session_id)
|
|
|
|
def _requestingEntity(self, data, profile):
|
|
def serialise(ret_data):
|
|
if "xmlui" in ret_data:
|
|
ret_data["xmlui"] = ret_data["xmlui"].toXml()
|
|
return ret_data
|
|
|
|
d = self.requestingEntity(data, profile)
|
|
d.addCallback(serialise)
|
|
return d
|
|
|
|
def requestingEntity(self, data, profile):
|
|
"""Request and entity and create XMLUI accordingly.
|
|
|
|
@param data: data returned by previous XMLUI (first one must come from
|
|
self._commandsMenu)
|
|
@param profile: %(doc_profile)s
|
|
@return: callback dict result (with "xmlui" corresponding to the answering
|
|
dialog, or empty if it's finished without error)
|
|
"""
|
|
if C.bool(data.get("cancelled", C.BOOL_FALSE)):
|
|
return defer.succeed({})
|
|
data_form_values = xml_tools.XMLUIResult2DataFormResult(data)
|
|
client = self.host.getClient(profile)
|
|
# TODO: cancel, prev and next are not managed
|
|
# TODO: managed answerer errors
|
|
# TODO: manage nodes with a non data form payload
|
|
if "session_id" not in data:
|
|
# we just had the jid, we now request it for the available commands
|
|
session_id, session_data = self.requesting.newSession(profile=client.profile)
|
|
entity = jid.JID(data[xml_tools.SAT_FORM_PREFIX + "jid"])
|
|
session_data["jid"] = entity
|
|
d = self.listUI(client, entity)
|
|
|
|
def sendItems(xmlui):
|
|
xmlui.session_id = session_id # we need to keep track of the session
|
|
return {"xmlui": xmlui}
|
|
|
|
d.addCallback(sendItems)
|
|
else:
|
|
# we have started a several forms sessions
|
|
try:
|
|
session_data = self.requesting.profileGet(
|
|
data["session_id"], client.profile
|
|
)
|
|
except KeyError:
|
|
log.warning("session id doesn't exist, session has probably expired")
|
|
# TODO: send error dialog
|
|
return defer.succeed({})
|
|
session_id = data["session_id"]
|
|
entity = session_data["jid"]
|
|
try:
|
|
session_data["node"]
|
|
# node has already been received
|
|
except KeyError:
|
|
# it's the first time we know the node, we save it in session data
|
|
session_data["node"] = data_form_values.pop("node")
|
|
|
|
# remote_id is the XEP_0050 sessionid used by answering command
|
|
# while session_id is our own session id used with the frontend
|
|
remote_id = session_data.get("remote_id")
|
|
|
|
# we request execute node's command
|
|
d = self.do(client, entity, session_data["node"], action=XEP_0050.ACTION.EXECUTE,
|
|
session_id=remote_id, form_values=data_form_values)
|
|
d.addCallback(self._commandsAnswer2XMLUI, session_id, session_data)
|
|
d.addCallback(lambda xmlui: {"xmlui": xmlui} if xmlui is not None else {})
|
|
|
|
return d
|
|
|
|
def _commandsMenu(self, menu_data, profile):
|
|
"""First XMLUI activated by menu: ask for target jid
|
|
|
|
@param profile: %(doc_profile)s
|
|
"""
|
|
form_ui = xml_tools.XMLUI("form", submit_id=self.__requesting_id)
|
|
form_ui.addText(_("Please enter target jid"), "instructions")
|
|
form_ui.changeContainer("pairs")
|
|
form_ui.addLabel("jid")
|
|
form_ui.addString("jid", value=self.host.getClient(profile).jid.host)
|
|
return {"xmlui": form_ui.toXml()}
|
|
|
|
def _statusCallback(self, client, command_elt, session_data, action, node):
|
|
"""Ad-hoc command used to change the "show" part of status"""
|
|
actions = session_data.setdefault("actions", [])
|
|
actions.append(action)
|
|
|
|
if len(actions) == 1:
|
|
# it's our first request, we ask the desired new status
|
|
status = XEP_0050.STATUS.EXECUTING
|
|
form = data_form.Form("form", title=_("status selection"))
|
|
show_options = [
|
|
data_form.Option(name, label) for name, label in list(SHOWS.items())
|
|
]
|
|
field = data_form.Field(
|
|
"list-single", "show", options=show_options, required=True
|
|
)
|
|
form.addField(field)
|
|
|
|
payload = form.toElement()
|
|
note = None
|
|
|
|
elif len(actions) == 2:
|
|
# we should have the answer here
|
|
try:
|
|
x_elt = next(command_elt.elements(data_form.NS_X_DATA, "x"))
|
|
answer_form = data_form.Form.fromElement(x_elt)
|
|
show = answer_form["show"]
|
|
except (KeyError, StopIteration):
|
|
self.adHocError(XEP_0050.ERROR.BAD_PAYLOAD)
|
|
if show not in SHOWS:
|
|
self.adHocError(XEP_0050.ERROR.BAD_PAYLOAD)
|
|
if show == "disconnect":
|
|
self.host.disconnect(client.profile)
|
|
else:
|
|
self.host.setPresence(show=show, profile_key=client.profile)
|
|
|
|
# job done, we can end the session
|
|
status = XEP_0050.STATUS.COMPLETED
|
|
payload = None
|
|
note = (self.NOTE.INFO, _("Status updated"))
|
|
else:
|
|
self.adHocError(XEP_0050.ERROR.INTERNAL)
|
|
|
|
return (payload, status, None, note)
|
|
|
|
def _run(self, service_jid_s="", node="", profile_key=C.PROF_KEY_NONE):
|
|
client = self.host.getClient(profile_key)
|
|
service_jid = jid.JID(service_jid_s) if service_jid_s else None
|
|
d = self.run(client, service_jid, node or None)
|
|
d.addCallback(lambda xmlui: xmlui.toXml())
|
|
return d
|
|
|
|
@defer.inlineCallbacks
|
|
def run(self, client, service_jid=None, node=None):
|
|
"""Run an ad-hoc command
|
|
|
|
@param service_jid(jid.JID, None): jid of the ad-hoc service
|
|
None to use profile's server
|
|
@param node(unicode, None): node of the ad-hoc commnad
|
|
None to get initial list
|
|
@return(unicode): command page XMLUI
|
|
"""
|
|
if service_jid is None:
|
|
service_jid = jid.JID(client.jid.host)
|
|
session_id, session_data = self.requesting.newSession(profile=client.profile)
|
|
session_data["jid"] = service_jid
|
|
if node is None:
|
|
xmlui = yield self.listUI(client, service_jid)
|
|
else:
|
|
session_data["node"] = node
|
|
cb_data = yield self.requestingEntity(
|
|
{"session_id": session_id}, client.profile
|
|
)
|
|
xmlui = cb_data["xmlui"]
|
|
|
|
xmlui.session_id = session_id
|
|
defer.returnValue(xmlui)
|
|
|
|
def list(self, client, to_jid):
|
|
"""Request available commands
|
|
|
|
@param to_jid(jid.JID, None): the entity answering the commands
|
|
None to use profile's server
|
|
@return D(disco.DiscoItems): found commands
|
|
"""
|
|
d = self.host.getDiscoItems(client, to_jid, NS_COMMANDS)
|
|
return d
|
|
|
|
def _listUI(self, to_jid_s, profile_key):
|
|
client = self.host.getClient(profile_key)
|
|
to_jid = jid.JID(to_jid_s) if to_jid_s else None
|
|
d = self.listUI(client, to_jid, no_instructions=True)
|
|
d.addCallback(lambda xmlui: xmlui.toXml())
|
|
return d
|
|
|
|
def listUI(self, client, to_jid, no_instructions=False):
|
|
"""Request available commands and generate XMLUI
|
|
|
|
@param to_jid(jid.JID, None): the entity answering the commands
|
|
None to use profile's server
|
|
@param no_instructions(bool): if True, don't add instructions widget
|
|
@return D(xml_tools.XMLUI): UI with the commands
|
|
"""
|
|
d = self.list(client, to_jid)
|
|
d.addCallback(self._items2XMLUI, no_instructions)
|
|
return d
|
|
|
|
def _sequence(self, sequence, node, service_jid_s="", profile_key=C.PROF_KEY_NONE):
|
|
sequence = data_format.deserialise(sequence, type_check=list)
|
|
client = self.host.getClient(profile_key)
|
|
service_jid = jid.JID(service_jid_s) if service_jid_s else None
|
|
d = defer.ensureDeferred(self.sequence(client, sequence, node, service_jid))
|
|
d.addCallback(lambda data: data_format.serialise(data))
|
|
return d
|
|
|
|
async def sequence(
|
|
self,
|
|
client: SatXMPPEntity,
|
|
sequence: List[dict],
|
|
node: str,
|
|
service_jid: Optional[jid.JID] = None,
|
|
) -> dict:
|
|
"""Send a series of data to an ad-hoc service
|
|
|
|
@param sequence: list of
|
|
@param node: node of the ad-hoc commnad
|
|
@param service_jid: jid of the ad-hoc service
|
|
None to use profile's server
|
|
@return: data received in final answer
|
|
"""
|
|
if service_jid is None:
|
|
service_jid = jid.JID(client.jid.host)
|
|
|
|
session_id = None
|
|
|
|
for data_to_send in sequence:
|
|
iq_result_elt = await self.do(
|
|
client,
|
|
service_jid,
|
|
node,
|
|
session_id=session_id,
|
|
form_values=data_to_send,
|
|
)
|
|
__, answer_data = self.parseCommandAnswer(iq_result_elt)
|
|
session_id = answer_data.pop("session_id")
|
|
|
|
return answer_data
|
|
|
|
def addAdHocCommand(self, client, callback, label, node=None, features=None,
|
|
timeout=600, allowed_jids=None, allowed_groups=None,
|
|
allowed_magics=None, forbidden_jids=None, forbidden_groups=None,
|
|
):
|
|
"""Add an ad-hoc command for the current profile
|
|
|
|
@param callback: method associated with this ad-hoc command which return the
|
|
payload data (see AdHocCommand._sendAnswer), can return a
|
|
deferred
|
|
@param label: label associated with this command on the main menu
|
|
@param node: disco item node associated with this command. None to use
|
|
autogenerated node
|
|
@param features: features associated with the payload (list of strings), usualy
|
|
data form
|
|
@param timeout: delay between two requests before canceling the session (in
|
|
seconds)
|
|
@param allowed_jids: list of allowed entities
|
|
@param allowed_groups: list of allowed roster groups
|
|
@param allowed_magics: list of allowed magic keys, can be:
|
|
@ALL@: allow everybody
|
|
@PROFILE_BAREJID@: allow only the jid of the profile
|
|
@param forbidden_jids: black list of entities which can't access this command
|
|
@param forbidden_groups: black list of groups which can't access this command
|
|
@return: node of the added command, useful to remove the command later
|
|
"""
|
|
# FIXME: "@ALL@" for profile_key seems useless and dangerous
|
|
|
|
if node is None:
|
|
node = "%s_%s" % ("COMMANDS", uuid4())
|
|
|
|
if features is None:
|
|
features = [data_form.NS_X_DATA]
|
|
|
|
if allowed_jids is None:
|
|
allowed_jids = []
|
|
if allowed_groups is None:
|
|
allowed_groups = []
|
|
if allowed_magics is None:
|
|
allowed_magics = ["@PROFILE_BAREJID@"]
|
|
if forbidden_jids is None:
|
|
forbidden_jids = []
|
|
if forbidden_groups is None:
|
|
forbidden_groups = []
|
|
|
|
# TODO: manage newly created/removed profiles
|
|
_allowed_jids = (
|
|
(allowed_jids + [client.jid.userhostJID()])
|
|
if "@PROFILE_BAREJID@" in allowed_magics
|
|
else allowed_jids
|
|
)
|
|
ad_hoc_command = AdHocCommand(
|
|
callback,
|
|
label,
|
|
node,
|
|
features,
|
|
timeout,
|
|
_allowed_jids,
|
|
allowed_groups,
|
|
allowed_magics,
|
|
forbidden_jids,
|
|
forbidden_groups,
|
|
)
|
|
ad_hoc_command.setHandlerParent(client)
|
|
commands = client._XEP_0050_commands
|
|
commands[node] = ad_hoc_command
|
|
|
|
def onCmdRequest(self, request, client):
|
|
request.handled = True
|
|
requestor = jid.JID(request["from"])
|
|
command_elt = next(request.elements(NS_COMMANDS, "command"))
|
|
action = command_elt.getAttribute("action", self.ACTION.EXECUTE)
|
|
node = command_elt.getAttribute("node")
|
|
if not node:
|
|
client.sendError(request, "bad-request")
|
|
return
|
|
sessionid = command_elt.getAttribute("sessionid")
|
|
commands = client._XEP_0050_commands
|
|
try:
|
|
command = commands[node]
|
|
except KeyError:
|
|
client.sendError(request, "item-not-found")
|
|
return
|
|
command.onRequest(command_elt, requestor, action, sessionid)
|
|
|
|
|
|
@implementer(iwokkel.IDisco)
|
|
class XEP_0050_handler(XMPPHandler):
|
|
|
|
def __init__(self, plugin_parent):
|
|
self.plugin_parent = plugin_parent
|
|
|
|
@property
|
|
def client(self):
|
|
return self.parent
|
|
|
|
def connectionInitialized(self):
|
|
self.xmlstream.addObserver(
|
|
CMD_REQUEST, self.plugin_parent.onCmdRequest, client=self.parent
|
|
)
|
|
|
|
def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
|
|
identities = []
|
|
if nodeIdentifier == NS_COMMANDS and self.client._XEP_0050_commands:
|
|
# we only add the identity if we have registred commands
|
|
identities.append(ID_CMD_LIST)
|
|
return [disco.DiscoFeature(NS_COMMANDS)] + identities
|
|
|
|
def getDiscoItems(self, requestor, target, nodeIdentifier=""):
|
|
ret = []
|
|
if nodeIdentifier == NS_COMMANDS:
|
|
commands = self.client._XEP_0050_commands
|
|
for command in list(commands.values()):
|
|
if command.isAuthorised(requestor):
|
|
ret.append(
|
|
disco.DiscoItem(self.parent.jid, command.node, command.getName())
|
|
) # TODO: manage name language
|
|
return ret
|