Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0115.py @ 437:02c633a0ddcf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
author Goffi <goffi@goffi.org>
date Wed, 30 Nov 2011 00:24:41 +0100
parents 7c79d4a8c9e6
children cf005701624b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/python
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
3
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
4 """
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
5 SAT plugin for managing xep-0115
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
7
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
8 This program is free software: you can redistribute it and/or modify
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
9 it under the terms of the GNU General Public License as published by
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
10 the Free Software Foundation, either version 3 of the License, or
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
11 (at your option) any later version.
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
12
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
13 This program is distributed in the hope that it will be useful,
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
16 GNU General Public License for more details.
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
17
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
20 """
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
21
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from logging import debug, info, error, warning
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
23 from twisted.words.xish import domish
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
24 from twisted.words.protocols.jabber import client, jid, xmlstream
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
25 from twisted.words.protocols.jabber import error as jab_error
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
26 from twisted.words.protocols.jabber.xmlstream import IQ
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
27 from sat.memory.persistent import PersistentBinaryDict
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
28 import os.path
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
29 import types
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
30
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
31 from zope.interface import implements
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
32
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
33 from wokkel import disco, iwokkel
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
34
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
35 from hashlib import sha1
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
36 from base64 import b64encode
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
37
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
38 try:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
39 from twisted.words.protocols.xmlstream import XMPPHandler
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
40 except ImportError:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
41 from wokkel.subprotocols import XMPPHandler
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
42
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
43 PRESENCE = '/presence'
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
44 NS_ENTITY_CAPABILITY = 'http://jabber.org/protocol/caps'
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
45 CAPABILITY_UPDATE = PRESENCE + '/c[@xmlns="' + NS_ENTITY_CAPABILITY + '"]'
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
46
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
47 PLUGIN_INFO = {
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
48 "name": "XEP 0115 Plugin",
291
7c79d4a8c9e6 plugins: fixed bad import names
Goffi <goffi@goffi.org>
parents: 283
diff changeset
49 "import_name": "XEP-0115",
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
50 "type": "XEP",
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
51 "protocols": ["XEP-0115"],
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
52 "dependencies": [],
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
53 "main": "XEP_0115",
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
54 "handler": "yes",
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
55 "description": _("""Implementation of entity capabilities""")
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
56 }
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
57
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
58 class HashGenerationError(Exception):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
59 pass
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
60
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
61 class ByteIdentity(object):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
62 """This class manage identity as bytes (needed for i;octet sort),
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
63 it is used for the hash generation"""
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
64
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
65 def __init__(self, identity, lang=None):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
66 assert isinstance(identity, disco.DiscoIdentity)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
67 self.category = identity.category.encode('utf-8')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
68 self.idType = identity.type.encode('utf-8')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
69 self.name = identity.name.encode('utf-8') if identity.name else ''
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
70 self.lang = lang.encode('utf-8') if lang else ''
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
71
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
72 def __str__(self):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
73 return "%s/%s/%s/%s" % (self.category, self.idType, self.lang, self.name)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
74
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
75
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
76 class XEP_0115():
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
77 cap_hash = None #capabilities hash is class variable as it is common to all profiles
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
78 #TODO: this code is really dirty, need to clean it and try to move it to Wokkel
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
79
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
80 def __init__(self, host):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
81 info(_("Plugin XEP_0115 initialization"))
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
82 self.host = host
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
83 host.trigger.add("Disco Handled", self.checkHash)
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
84 self.hash_cache = PersistentBinaryDict(NS_ENTITY_CAPABILITY) #key = hash or jid, value = features
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
85 self.hash_cache.load()
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
86 self.jid_hash = {} #jid to hash mapping, map to a discoInfo features if the hash method is unknown
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
87
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
88 def checkHash(self, profile):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
89 if not XEP_0115.cap_hash:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
90 XEP_0115.cap_hash = self.generateHash(profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
91 else:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
92 self.presenceHack(profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
93 return True
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
94
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
95 def getHandler(self, profile):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
96 return XEP_0115_handler(self, profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
97
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
98 def presenceHack(self, profile):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
99 """modify SatPresenceProtocol to add capabilities data"""
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
100 client=self.host.getClient(profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
101 presenceInst = client.presence
283
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
102 c_elt = domish.Element((NS_ENTITY_CAPABILITY,'c'))
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
103 c_elt['hash']='sha-1'
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
104 c_elt['node']='http://wiki.goffi.org/wiki/Salut_%C3%A0_Toi'
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
105 c_elt['ver']=XEP_0115.cap_hash
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
106 presenceInst._c_elt = c_elt
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
107 if "_legacy_send" in dir(presenceInst):
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
108 debug('capabilities already added to presence instance')
68cd30d982a5 core: added plugins for PubSub et PEP (first drafts)
Goffi <goffi@goffi.org>
parents: 282
diff changeset
109 return
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
110 def hacked_send(self, obj):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
111 obj.addChild(self._c_elt)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
112 self._legacy_send(obj)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
113 new_send = types.MethodType(hacked_send, presenceInst, presenceInst.__class__)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
114 presenceInst._legacy_send = presenceInst.send
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
115 presenceInst.send = new_send
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
116
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
117
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
118 def generateHash(self, profile_key="@DEFAULT@"):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
119 """This method generate a sha1 hash as explained in xep-0115 #5.1
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
120 it then store it in XEP_0115.cap_hash"""
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
121 profile = self.host.memory.getProfileName(profile_key)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
122 if not profile:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
123 error ('Requesting hash for an inexistant profile')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
124 raise HashGenerationError
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
125
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
126 client = self.host.getClient(profile_key)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
127 if not client:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
128 error ('Requesting hash for an inexistant client')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
129 raise HashGenerationError
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
130
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
131 def generateHash_2(services, profile):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
132 _s=[]
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
133 byte_identities = [ByteIdentity(identity) for identity in filter(lambda x:isinstance(x,disco.DiscoIdentity),services)] #FIXME: lang must be managed here
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
134 byte_identities.sort(key=lambda i:i.lang)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
135 byte_identities.sort(key=lambda i:i.idType)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
136 byte_identities.sort(key=lambda i:i.category)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
137 for identity in byte_identities:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
138 _s.append(str(identity))
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
139 _s.append('<')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
140 byte_features = [feature.encode('utf-8') for feature in filter(lambda x:isinstance(x,disco.DiscoFeature),services)]
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
141 byte_features.sort() #XXX: the default sort has the same behaviour as the requested RFC 4790 i;octet sort
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
142 for feature in byte_features:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
143 _s.append(feature)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
144 _s.append('<')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
145 #TODO: manage XEP-0128 data form here
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
146 XEP_0115.cap_hash = b64encode(sha1(''.join(_s)).digest())
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
147 debug(_('Capability hash generated: [%s]') % XEP_0115.cap_hash)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
148 self.presenceHack(profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
149
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
150 services = client.discoHandler.info(client.jid, client.jid, '').addCallback(generateHash_2, profile)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
151
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
152 class XEP_0115_handler(XMPPHandler):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
153 implements(iwokkel.IDisco)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
154
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
155 def __init__(self, plugin_parent, profile):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
156 self.plugin_parent = plugin_parent
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
157 self.host = plugin_parent.host
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
158 self.profile = profile
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
159
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
160 def connectionInitialized(self):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
161 self.xmlstream.addObserver(CAPABILITY_UPDATE, self.update)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
162
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
163 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
164 return [disco.DiscoFeature(NS_ENTITY_CAPABILITY)]
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
165
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
166 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
167 return []
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
168
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
169 def _updateCache(self, discoResult, from_jid, key):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
170 """Actually update the cache
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
171 @param discoResult: result of the requestInfo"""
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
172 if key:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
173 self.plugin_parent.jid_hash[from_jid] = key
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
174 self.plugin_parent.hash_cache[key] = discoResult.features
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
175 else:
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
176 #No key, that means unknown hash method
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
177 self.plugin_parent.jid_hash[from_jid] = discoResult.features
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
178
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
179
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
180 def update(self, presence):
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
181 """
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
182 Manage the capabilities of the entity
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
183 Check if we know the version of this capatilities
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
184 and get the capibilities if necessary
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
185 """
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
186 from_jid = jid.JID(presence['from'])
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
187 c_elem = filter (lambda x:x.name == "c", presence.elements())[0] #We only want the "c" element
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
188 try:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
189 ver=c_elem['ver']
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
190 hash=c_elem['hash']
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
191 node=c_elem['node']
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
192 except KeyError:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
193 warning('Received invalid capabilities tag')
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
194 return
437
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
195 if not from_jid in self.plugin_parent.jid_hash:
02c633a0ddcf plugin XEP-0115: entity capabilities now use PersistentBinaryDict to store hash cache
Goffi <goffi@goffi.org>
parents: 291
diff changeset
196 if ver in self.plugin_parent.hash_cache:
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
197 #we know that hash, we just link it with the jid
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
198 self.plugin_parent.jid_hash[from_jid] = ver
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
199 else:
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
200 if hash!='sha-1':
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
201 #unknown hash method
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
202 warning('Unknown hash for entity capabilities: [%s]' % hash)
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
203 self.parent.disco.requestInfo(from_jid).addCallback(self._updateCache, from_jid, ver if hash=='sha-1' else None )
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
204 #TODO: me must manage the full algorithm described at XEP-0115 #5.4 part 3
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
205