86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
#!/usr/bin/env python3
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# SAT plugin for Delayed Delivery (XEP-0203)
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# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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# Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.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.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 wokkel import disco, iwokkel, delay
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try:
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from twisted.words.protocols.xmlstream import XMPPHandler
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except ImportError:
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from wokkel.subprotocols import XMPPHandler
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from zope.interface import implementer
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NS_DD = "urn:xmpp:delay"
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PLUGIN_INFO = {
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C.PI_NAME: "Delayed Delivery",
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C.PI_IMPORT_NAME: "XEP-0203",
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C.PI_TYPE: "XEP",
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C.PI_PROTOCOLS: ["XEP-0203"],
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C.PI_MAIN: "XEP_0203",
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C.PI_HANDLER: "yes",
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C.PI_DESCRIPTION: _("""Implementation of Delayed Delivery"""),
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}
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class XEP_0203(object):
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def __init__(self, host):
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log.info(_("Delayed Delivery plugin initialization"))
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self.host = host
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def getHandler(self, client):
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return XEP_0203_handler(self, client.profile)
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def delay(self, stamp, sender=None, desc="", parent=None):
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"""Build a delay element, eventually append it to the given parent element.
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@param stamp (datetime): offset-aware timestamp of the original sending.
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@param sender (JID): entity that originally sent or delayed the message.
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@param desc (unicode): optional natural language description.
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@param parent (domish.Element): add the delay element to this element.
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@return: the delay element (domish.Element)
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"""
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elt = delay.Delay(stamp, sender).toElement()
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if desc:
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elt.addContent(desc)
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if parent:
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parent.addChild(elt)
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return elt
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@implementer(iwokkel.IDisco)
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class XEP_0203_handler(XMPPHandler):
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def __init__(self, plugin_parent, profile):
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self.plugin_parent = plugin_parent
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self.host = plugin_parent.host
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self.profile = profile
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def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
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return [disco.DiscoFeature(NS_DD)]
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def getDiscoItems(self, requestor, target, nodeIdentifier=""):
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return []
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