186 lines
6.9 KiB
Python
186 lines
6.9 KiB
Python
#!/usr/bin/env python3
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# SAT plugin for Personal Eventing Protocol (xep-0163)
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# Copyright (C) 2009-2021 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 sat.core.i18n import _
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from sat.core import exceptions
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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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log = getLogger(__name__)
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from twisted.words.xish import domish
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from wokkel import disco, pubsub
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from wokkel.formats import Mood
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from sat.tools.common import data_format
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NS_USER_MOOD = "http://jabber.org/protocol/mood"
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PLUGIN_INFO = {
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C.PI_NAME: "Personal Eventing Protocol Plugin",
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C.PI_IMPORT_NAME: "XEP-0163",
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C.PI_TYPE: "XEP",
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C.PI_PROTOCOLS: ["XEP-0163", "XEP-0107"],
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C.PI_DEPENDENCIES: ["XEP-0060"],
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C.PI_MAIN: "XEP_0163",
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C.PI_HANDLER: "no",
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C.PI_DESCRIPTION: _("""Implementation of Personal Eventing Protocol"""),
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}
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class XEP_0163(object):
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def __init__(self, host):
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log.info(_("PEP plugin initialization"))
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self.host = host
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self.pep_events = set()
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self.pep_out_cb = {}
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host.trigger.add("PubSub Disco Info", self.disoInfoTrigger)
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host.bridge.addMethod(
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"PEPSend",
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".plugin",
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in_sign="sa{ss}s",
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out_sign="",
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method=self.PEPSend,
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async_=True,
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) # args: type(MOOD, TUNE, etc), data, profile_key;
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self.addPEPEvent("MOOD", NS_USER_MOOD, self.userMoodCB, self.sendMood)
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def disoInfoTrigger(self, disco_info, profile):
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"""Add info from managed PEP
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@param disco_info: list of disco feature as returned by PubSub,
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will be filled with PEP features
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@param profile: profile we are handling
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"""
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disco_info.extend(list(map(disco.DiscoFeature, self.pep_events)))
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return True
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def addPEPEvent(self, event_type, node, in_callback, out_callback=None, notify=True):
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"""Add a Personal Eventing Protocol event manager
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@param event_type(unicode): type of the event (always uppercase),
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can be MOOD, TUNE, etc
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@param node(unicode): namespace of the node (e.g. http://jabber.org/protocol/mood
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for User Mood)
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@param in_callback(callable): method to call when this event occur
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the callable will be called with (itemsEvent, profile) as arguments
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@param out_callback(callable,None): method to call when we want to publish this
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event (must return a deferred)
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the callable will be called when sendPEPEvent is called
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@param notify(bool): add autosubscribe (+notify) if True
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"""
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if out_callback:
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self.pep_out_cb[event_type] = out_callback
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self.pep_events.add(node)
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if notify:
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self.pep_events.add(node + "+notify")
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def filterPEPEvent(client, itemsEvent):
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"""Ignore messages which are not coming from PEP (i.e. a bare jid)
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@param itemsEvent(pubsub.ItemsEvent): pubsub event
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"""
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if not itemsEvent.sender.user or itemsEvent.sender.resource:
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log.debug(
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"ignoring non PEP event from {} (profile={})".format(
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itemsEvent.sender.full(), client.profile
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)
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)
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return
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in_callback(itemsEvent, client.profile)
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self.host.plugins["XEP-0060"].addManagedNode(node, items_cb=filterPEPEvent)
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def sendPEPEvent(self, node, data, profile):
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"""Publish the event data
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@param node(unicode): node namespace
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@param data: domish.Element to use as payload
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@param profile: profile which send the data
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"""
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client = self.host.getClient(profile)
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item = pubsub.Item(payload=data)
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return self.host.plugins["XEP-0060"].publish(client, None, node, [item])
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def PEPSend(self, event_type, data, profile_key=C.PROF_KEY_NONE):
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"""Send personal event after checking the data is alright
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@param event_type: type of event (eg: MOOD, TUNE),
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must be in self.pep_out_cb.keys()
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@param data: dict of {string:string} of event_type dependant data
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@param profile_key: profile who send the event
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"""
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profile = self.host.memory.getProfileName(profile_key)
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if not profile:
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log.error(
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_("Trying to send personal event with an unknown profile key [%s]")
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% profile_key
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)
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raise exceptions.ProfileUnknownError
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if not event_type in list(self.pep_out_cb.keys()):
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log.error(_("Trying to send personal event for an unknown type"))
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raise exceptions.DataError("Type unknown")
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return self.pep_out_cb[event_type](data, profile)
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def userMoodCB(self, itemsEvent, profile):
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if not itemsEvent.items:
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log.debug(_("No item found"))
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return
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try:
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mood_elt = [
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child for child in itemsEvent.items[0].elements() if child.name == "mood"
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][0]
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except IndexError:
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log.error(_("Can't find mood element in mood event"))
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return
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mood = Mood.fromXml(mood_elt)
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if not mood:
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log.debug(_("No mood found"))
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return
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self.host.bridge.psEvent(
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C.PS_PEP,
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itemsEvent.sender.full(),
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itemsEvent.nodeIdentifier,
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"MOOD",
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data_format.serialise({"mood": mood.value or "", "text": mood.text or ""}),
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profile,
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)
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def sendMood(self, data, profile):
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"""Send XEP-0107's User Mood
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@param data: must include mood and text
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@param profile: profile which send the mood"""
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try:
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value = data["mood"].lower()
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text = data["text"] if "text" in data else ""
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except KeyError:
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raise exceptions.DataError("Mood data must contain at least 'mood' key")
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mood = UserMood(value, text)
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return self.sendPEPEvent(NS_USER_MOOD, mood, profile)
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class UserMood(Mood, domish.Element):
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"""Improved wokkel Mood which is also a domish.Element"""
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def __init__(self, value, text=None):
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Mood.__init__(self, value, text)
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domish.Element.__init__(self, (NS_USER_MOOD, "mood"))
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self.addElement(value)
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if text:
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self.addElement("text", content=text)
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