80ef13612b
- moved directories from src and frontends/src to sat and sat_frontends, which is the recommanded naming convention - move twisted directory to root - removed all hacks from setup.py, and added missing dependencies, it is now clean - use https URL for website in setup.py - removed "Environment :: X11 Applications :: GTK", as wix is deprecated and removed - renamed sat.sh to sat and fixed its installation - added python_requires to specify Python version needed - replaced glib2reactor which use deprecated code by gtk3reactor sat can now be installed directly from virtualenv without using --system-site-packages anymore \o/
117 lines
4.3 KiB
Python
117 lines
4.3 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# SAT plugin for Delayed Delivery (XEP-0334)
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# Copyright (C) 2009-2018 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 _, D_
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from sat.core.log import getLogger
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log = getLogger(__name__)
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from sat.core.constants import Const as C
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from sat.tools.common import data_format
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from wokkel import disco, iwokkel
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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 implements
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from textwrap import dedent
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PLUGIN_INFO = {
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C.PI_NAME: u"Message Processing Hints",
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C.PI_IMPORT_NAME: u"XEP-0334",
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C.PI_TYPE: u"XEP",
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C.PI_PROTOCOLS: [u"XEP-0334"],
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C.PI_MAIN: "XEP_0334",
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C.PI_HANDLER: u"yes",
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C.PI_DESCRIPTION: D_(u"""Implementation of Message Processing Hints"""),
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C.PI_USAGE: dedent(D_(u"""\
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Frontends can use HINT_* constants in mess_data['extra'] in a serialized 'hints' dict.
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Internal plugins can use directly addHint([HINT_* constant]).
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Will set mess_data['extra']['history'] to 'skipped' when no store is requested and message is not saved in history."""))
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}
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NS_HINTS = u'urn:xmpp:hints'
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class XEP_0334(object):
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HINT_NO_PERMANENT_STORE = u'no-permanent-store'
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HINT_NO_STORE = u'no-store'
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HINT_NO_COPY = u'no-copy'
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HINT_STORE = u'store'
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HINTS = (HINT_NO_PERMANENT_STORE, HINT_NO_STORE, HINT_NO_COPY, HINT_STORE)
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def __init__(self, host):
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log.info(_("Message Processing Hints plugin initialization"))
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self.host = host
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host.trigger.add("sendMessage", self.sendMessageTrigger)
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host.trigger.add("MessageReceived", self.messageReceivedTrigger, priority=-1000)
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def getHandler(self, client):
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return XEP_0334_handler()
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def addHint(self, mess_data, hint):
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if hint == self.HINT_NO_COPY and not mess_data['to'].resource:
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log.error(u"{hint} can only be used with full jids! Ignoring it.".format(hint=hint))
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return
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hints = mess_data.setdefault('hints', set())
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if hint in self.HINTS:
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hints.add(hint)
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else:
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log.error(u"Unknown hint: {}".format(hint))
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def _sendPostXmlTreatment(self, mess_data):
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if 'hints' in mess_data:
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for hint in mess_data['hints']:
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mess_data[u'xml'].addElement((NS_HINTS, hint))
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return mess_data
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def sendMessageTrigger(self, client, mess_data, pre_xml_treatments, post_xml_treatments):
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"""Add the hints element to the message to be sent"""
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if u'hints' in mess_data[u'extra']:
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for hint in data_format.dict2iter(u'hints', mess_data[u'extra'], pop=True):
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self.addHint(hint)
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post_xml_treatments.addCallback(self._sendPostXmlTreatment)
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return True
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def _receivedSkipHistory(self, mess_data):
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mess_data[u'history'] = C.HISTORY_SKIP
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return mess_data
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def messageReceivedTrigger(self, client, message_elt, post_treat):
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"""Check for hints in the received message"""
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for elt in message_elt.elements():
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if elt.uri == NS_HINTS and elt.name in (self.HINT_NO_PERMANENT_STORE, self.HINT_NO_STORE):
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log.debug(u"history will be skipped for this message, as requested")
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post_treat.addCallback(self._receivedSkipHistory)
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break
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return True
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class XEP_0334_handler(XMPPHandler):
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implements(iwokkel.IDisco)
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def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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return [disco.DiscoFeature(NS_HINTS)]
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def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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return []
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