Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0020.py @ 414:f6f94e21c642

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Quick frontend: use of asyncGetParamA when pluging profile
author Goffi <goffi@goffi.org>
date Tue, 01 Nov 2011 22:52:36 +0100
parents 98e1d44d5cd4
children cf005701624b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
383
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/python
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
3
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
4 """
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
5 SAT plugin for managing xep-0020
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
7
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
8 This program is free software: you can redistribute it and/or modify
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
9 it under the terms of the GNU General Public License as published by
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
10 the Free Software Foundation, either version 3 of the License, or
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
11 (at your option) any later version.
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
12
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
13 This program is distributed in the hope that it will be useful,
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
16 GNU General Public License for more details.
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
17
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
20 """
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
21
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from logging import debug, info, warning, error
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
23 from twisted.words.protocols.jabber import client, jid
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
24 from twisted.words.xish import domish
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
25
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
26 from zope.interface import implements
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
27
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
28 try:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
29 from twisted.words.protocols.xmlstream import XMPPHandler
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
30 except ImportError:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
31 from wokkel.subprotocols import XMPPHandler
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
32
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
33 from wokkel import disco, iwokkel, data_form
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
34
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
35 NS_FEATURE_NEG = 'http://jabber.org/protocol/feature-neg'
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
36
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
37 PLUGIN_INFO = {
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
38 "name": "XEP 0020 Plugin",
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
39 "import_name": "XEP-0020",
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
40 "type": "XEP",
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
41 "protocols": ["XEP-0020"],
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
42 "main": "XEP_0020",
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
43 "handler": "yes",
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
44 "description": _("""Implementation of Feature Negotiation""")
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
45 }
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
46
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
47 class XEP_0020():
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
48
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
49 def __init__(self, host):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
50 info(_("Plugin XEP_0020 initialization"))
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
51
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
52 def getHandler(self, profile):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
53 return XEP_0020_handler()
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
54
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
55 def getFeatureElt(self, elt):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
56 """Check element's children to find feature elements
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
57 @param elt: domish.Element
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
58 @return: feature elements"""
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
59 return filter(lambda elt: elt.name == 'feature', elt.elements())
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
60
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
61 def getChoosedOptions(self, elt):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
62 """Return choosed feature for feature element
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
63 @param elt: feature domish element
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
64 @return: dict with feature name as key, and choosed option as value"""
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
65 form = data_form.Form.fromElement(elt.firstChildElement())
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
66 result = {}
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
67 for field in form.fields:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
68 values = form.fields[field].values
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
69 result[field] = values[0] if values else None
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
70 if len(values)>1:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
71 warning(_("More than one value choosed for %s, keeping the first one") % field)
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
72 return result
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
73
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
74 def negociate(self, feature_elt, form_type, negociable_values):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
75 """Negociate the feature options
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
76 @param feature_elt: feature domish element
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
77 @param form_type: the option to negociate
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
78 @param negociable_values: acceptable values for this negociation"""
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
79 form = data_form.Form.fromElement(feature_elt.firstChildElement())
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
80 options = [option.value for option in form.fields[form_type].options]
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
81 for value in negociable_values:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
82 if value in options:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
83 return value
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
84 return None
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
85
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
86 def chooseOption(self, options_dict):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
87 """Build a feature element with choosed options
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
88 @param options_dict: dict with feature as key and choosed option as value"""
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
89 feature_elt = domish.Element((NS_FEATURE_NEG, 'feature'))
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
90 x_form = data_form.Form('submit')
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
91 x_form.makeFields(options_dict)
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
92 feature_elt.addChild(x_form.toElement())
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
93 return feature_elt
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
94
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
95 def proposeFeatures(self, options_dict, namespace = None):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
96 """Build a feature element with options to propose
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
97 @param options_dict: dict with feature as key and list of acceptable options as value
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
98 @param namespace: feature namespace"""
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
99 feature_elt = domish.Element((NS_FEATURE_NEG, 'feature'))
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
100 x_form = data_form.Form('form', formNamespace=namespace)
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
101 for field in options_dict:
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
102 x_form.addField(data_form.Field('list-single', field,
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
103 options=[data_form.Option(_option) for _option in options_dict[field]]))
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
104 feature_elt.addChild(x_form.toElement())
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
105 return feature_elt
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
106
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
107 class XEP_0020_handler(XMPPHandler):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
108 implements(iwokkel.IDisco)
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
109
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
110 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
111 return [disco.DiscoFeature(NS_FEATURE_NEG)]
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
112
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
113 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
114 return []
98e1d44d5cd4 plugins: feature negociation (XEP-0020) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
115