Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0334.py @ 1976:4c2f2234b71e
merged modification from souliane
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 27 Jun 2016 22:54:35 +0200 |
| parents | 2daf7b4c6756 |
| children | 633b5c21aefd |
| rev | line source |
|---|---|
|
1934
2daf7b4c6756
use of /usr/bin/env instead of /usr/bin/python in shebang
Goffi <goffi@goffi.org>
parents:
1766
diff
changeset
|
1 #!/usr/bin/env python2 |
| 1279 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # SAT plugin for Delayed Delivery (XEP-0334) | |
| 1766 | 5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org) |
| 6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org) | |
| 1279 | 7 |
| 8 # This program is free software: you can redistribute it and/or modify | |
| 9 # it under the terms of the GNU Affero General Public License as published by | |
| 10 # the Free Software Foundation, either version 3 of the License, or | |
| 11 # (at your option) any later version. | |
| 12 | |
| 13 # This program is distributed in the hope that it will be useful, | |
| 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 # GNU Affero General Public License for more details. | |
| 17 | |
| 18 # You should have received a copy of the GNU Affero General Public License | |
| 19 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 from sat.core.i18n import _ | |
| 22 from sat.core.log import getLogger | |
| 23 log = getLogger(__name__) | |
| 24 | |
| 25 from sat.core import exceptions | |
| 26 | |
| 27 from wokkel import disco, iwokkel | |
| 28 try: | |
| 29 from twisted.words.protocols.xmlstream import XMPPHandler | |
| 30 except ImportError: | |
| 31 from wokkel.subprotocols import XMPPHandler | |
| 32 from twisted.python import failure | |
| 33 from zope.interface import implements | |
| 34 | |
| 35 | |
| 36 NS_MPH = 'urn:xmpp:hints' | |
| 37 | |
| 38 PLUGIN_INFO = { | |
| 39 "name": "Message Processing Hints", | |
| 40 "import_name": "XEP-0334", | |
| 41 "type": "XEP", | |
| 42 "protocols": ["XEP-0334"], | |
| 43 "main": "XEP_0334", | |
| 44 "handler": "yes", | |
| 45 "description": _("""Implementation of Message Processing Hints""") | |
| 46 } | |
| 47 | |
| 48 | |
| 49 class XEP_0334(object): | |
| 50 | |
| 51 def __init__(self, host): | |
| 52 log.info(_("Message Processing Hints plugin initialization")) | |
| 53 self.host = host | |
| 54 host.trigger.add("sendMessage", self.sendMessageTrigger) | |
| 55 host.trigger.add("MessageReceived", self.messageReceivedTrigger) | |
| 56 | |
| 57 def getHandler(self, profile): | |
| 58 return XEP_0334_handler(self, profile) | |
| 59 | |
| 60 def sendMessageTrigger(self, mess_data, pre_xml_treatments, post_xml_treatments, profile): | |
| 61 """Add the hints element to the message to be sent""" | |
| 62 hints = [] | |
| 63 for key in ('no-permanent-storage', 'no-storage', 'no-copy'): | |
| 64 if mess_data['extra'].get(key, None): | |
| 65 hints.append(key) | |
| 66 | |
| 67 def treatment(mess_data): | |
| 68 message = mess_data['xml'] | |
| 69 for key in hints: | |
| 70 message.addElement((NS_MPH, key)) | |
| 71 if key in ('no-permanent-storage', 'no-storage'): | |
| 72 mess_data['extra']['no_storage'] = True | |
| 73 # TODO: the core doesn't process this 'no_storage' info yet | |
| 74 # it will be added after the frontends refactorization | |
| 75 return mess_data | |
| 76 | |
| 77 if hints: | |
| 78 post_xml_treatments.addCallback(treatment) | |
| 79 return True | |
| 80 | |
| 81 def messageReceivedTrigger(self, message, post_treat, profile): | |
| 82 """Check for hints in the received message""" | |
| 83 hints = [] | |
| 84 for key in ('no-permanent-storage', 'no-storage'): | |
| 85 try: | |
| 86 message.elements(uri=NS_MPH, name=key).next() | |
| 87 hints.append(key) | |
| 88 except StopIteration: | |
| 89 pass | |
| 90 | |
| 91 def post_treat_hints(data): | |
| 92 raise failure.Failure(exceptions.SkipHistory()) | |
| 93 | |
| 94 if hints: | |
| 95 post_treat.addCallback(post_treat_hints) | |
| 96 return True | |
| 97 | |
| 98 | |
| 99 class XEP_0334_handler(XMPPHandler): | |
| 100 implements(iwokkel.IDisco) | |
| 101 | |
| 102 def __init__(self, plugin_parent, profile): | |
| 103 self.plugin_parent = plugin_parent | |
| 104 self.host = plugin_parent.host | |
| 105 self.profile = profile | |
| 106 | |
| 107 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): | |
| 108 return [disco.DiscoFeature(NS_MPH)] | |
| 109 | |
| 110 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
| 111 return [] |