Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0334.py @ 1983:8c4087fd034a
quick_frontend: allow presence of entities without resource
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 29 Jun 2016 13:42:35 +0200 |
parents | 633b5c21aefd |
children | 628c1c95f442 |
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 | |
1955
633b5c21aefd
backend, frontend: messages refactoring (huge commit, not finished):
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
54 host.trigger.add("messageSend", self.messageSendTrigger) |
1279 | 55 host.trigger.add("MessageReceived", self.messageReceivedTrigger) |
56 | |
57 def getHandler(self, profile): | |
58 return XEP_0334_handler(self, profile) | |
59 | |
1955
633b5c21aefd
backend, frontend: messages refactoring (huge commit, not finished):
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
60 def messageSendTrigger(self, client, mess_data, pre_xml_treatments, post_xml_treatments): |
1279 | 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 | |
1955
633b5c21aefd
backend, frontend: messages refactoring (huge commit, not finished):
Goffi <goffi@goffi.org>
parents:
1934
diff
changeset
|
81 def messageReceivedTrigger(self, client, message, post_treat): |
1279 | 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 [] |