95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
#!/usr/bin/env python3
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# SAT plugin to send pubsub requests with administrator privilege
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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 libervia.backend.core.i18n import _
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from libervia.backend.core import exceptions
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from libervia.backend.core.constants import Const as C
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from libervia.backend.core.log import getLogger
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from libervia.backend.tools.common import data_format
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from twisted.words.protocols.jabber import jid
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from wokkel import pubsub
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from wokkel import generic
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log = getLogger(__name__)
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PLUGIN_INFO = {
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C.PI_NAME: "Pubsub Administrator",
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C.PI_IMPORT_NAME: "PUBSUB_ADMIN",
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C.PI_TYPE: C.PLUG_TYPE_EXP,
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C.PI_PROTOCOLS: [],
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C.PI_DEPENDENCIES: [],
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C.PI_RECOMMENDATIONS: [],
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C.PI_MAIN: "PubsubAdmin",
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C.PI_HANDLER: "no",
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C.PI_DESCRIPTION: _("""\Implementation of Pubsub Administrator
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This allows a pubsub administrator to overwrite completly items, including publisher.
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Specially useful when importing a node."""),
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}
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NS_PUBSUB_ADMIN = "https://salut-a-toi.org/spec/pubsub_admin:0"
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class PubsubAdmin(object):
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def __init__(self, host):
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self.host = host
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host.bridge.add_method(
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"ps_admin_items_send",
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".plugin",
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in_sign="ssasss",
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out_sign="as",
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method=self._publish,
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async_=True,
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)
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def _publish(
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self, service, nodeIdentifier, items, extra=None, profile_key=C.PROF_KEY_NONE
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):
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client = self.host.get_client(profile_key)
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service = None if not service else jid.JID(service)
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extra = data_format.deserialise(extra)
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items = [generic.parseXml(i.encode("utf-8")) for i in items]
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return self.publish(client, service, nodeIdentifier, items, extra)
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def _send_cb(self, iq_result):
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publish_elt = iq_result.admin.pubsub.publish
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ids = []
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for item_elt in publish_elt.elements(pubsub.NS_PUBSUB, "item"):
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ids.append(item_elt["id"])
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return ids
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def publish(self, client, service, nodeIdentifier, items, extra=None):
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for item in items:
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if item.name != "item" or item.uri != pubsub.NS_PUBSUB:
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raise exceptions.DataError(
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"Invalid element, a pubsub item is expected: {xml}".format(
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xml=item.toXml()
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)
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)
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iq_elt = client.IQ()
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iq_elt["to"] = service.full() if service else client.jid.userhost()
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admin_elt = iq_elt.addElement((NS_PUBSUB_ADMIN, "admin"))
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pubsub_elt = admin_elt.addElement((pubsub.NS_PUBSUB, "pubsub"))
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publish_elt = pubsub_elt.addElement("publish")
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publish_elt["node"] = nodeIdentifier
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for item in items:
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publish_elt.addChild(item)
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d = iq_elt.send()
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d.addCallback(self._send_cb)
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return d
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