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annotate sat/memory/disco.py @ 2816:114cdde9ff96

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plugin XEP-0280: priority and "sent" fixes: - carbon prioriy must be bigger than ones of encryption plugins, because the carbon copied messages must be unwrapped to be decrypted, this patch fixes it - "sent" carbon elements was only stored and notified to frontends, it is now unwrapped and injected in normal traffic, this way other plugin can manage it, in particular encrypted elements can be decrypted
author Goffi <goffi@goffi.org>
date Thu, 28 Feb 2019 18:57:06 +0100
parents 003b8b4b56a7
children 770ec685ff1f
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1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core import exceptions
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22 from sat.core.log import getLogger
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23
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24 log = getLogger(__name__)
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.protocols.jabber.error import StanzaError
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27 from twisted.internet import defer
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28 from twisted.internet import reactor
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29 from twisted.python import failure
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30 from sat.core.constants import Const as C
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31 from sat.tools import xml_tools
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32 from sat.memory import persistent
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33 from wokkel import disco
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34 from base64 import b64encode
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35 from hashlib import sha1
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37
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38 TIMEOUT = 15
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39 CAP_HASH_ERROR = "ERROR"
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41
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42 class HashGenerationError(Exception):
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43 pass
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45
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46 class ByteIdentity(object):
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47 """This class manage identity as bytes (needed for i;octet sort), it is used for the hash generation"""
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49 def __init__(self, identity, lang=None):
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50 assert isinstance(identity, disco.DiscoIdentity)
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51 self.category = identity.category.encode("utf-8")
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52 self.idType = identity.type.encode("utf-8")
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53 self.name = identity.name.encode("utf-8") if identity.name else ""
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54 self.lang = lang.encode("utf-8") if lang is not None else ""
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55
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56 def __str__(self):
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57 return "%s/%s/%s/%s" % (self.category, self.idType, self.lang, self.name)
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58
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60 class HashManager(object):
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61 """map object which manage hashes
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62
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63 persistent storage is update when a new hash is added
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64 """
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65
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66 def __init__(self, persistent):
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67 self.hashes = {
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68 CAP_HASH_ERROR: disco.DiscoInfo() # used when we can't get disco infos
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69 }
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70 self.persistent = persistent
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71
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72 def __getitem__(self, key):
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73 return self.hashes[key]
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74
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75 def __setitem__(self, hash_, disco_info):
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76 if hash_ in self.hashes:
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77 log.debug(u"ignoring hash set: it is already known")
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78 return
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79 self.hashes[hash_] = disco_info
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80 self.persistent[hash_] = disco_info.toElement().toXml()
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81
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82 def __contains__(self, hash_):
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83 return self.hashes.__contains__(hash_)
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84
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85 def load(self):
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86 def fillHashes(hashes):
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87 for hash_, xml in hashes.iteritems():
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88 element = xml_tools.ElementParser()(xml)
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89 disco_info = disco.DiscoInfo.fromElement(element)
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90 if not disco_info.features and not disco_info.identities:
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91 log.warning(
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92 _(
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93 u"no feature/identity found in disco element (hash: {cap_hash}), ignoring: {xml}"
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94 ).format(cap_hash=hash_, xml=xml)
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95 )
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96 else:
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97 self.hashes[hash_] = disco_info
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98
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99 log.info(u"Disco hashes loaded")
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100
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101 d = self.persistent.load()
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102 d.addCallback(fillHashes)
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103 return d
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104
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105
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106 class Discovery(object):
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107 """ Manage capabilities of entities """
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108
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109 def __init__(self, host):
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110 self.host = host
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111 # TODO: remove legacy hashes
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112
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113 def load(self):
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114 """Load persistent hashes"""
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115 self.hashes = HashManager(persistent.PersistentDict("disco"))
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116 return self.hashes.load()
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117
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118 @defer.inlineCallbacks
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119 def hasFeature(self, client, feature, jid_=None, node=u""):
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120 """Tell if an entity has the required feature
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121
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122 @param feature: feature namespace
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123 @param jid_: jid of the target, or None for profile's server
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124 @param node(unicode): optional node to use for disco request
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125 @return: a Deferred which fire a boolean (True if feature is available)
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diff changeset
126 """
2148
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diff changeset
127 disco_infos = yield self.getInfos(client, jid_, node)
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parents: 963
diff changeset
128 defer.returnValue(feature in disco_infos.features)
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diff changeset
129
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
130 @defer.inlineCallbacks
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131 def checkFeature(self, client, feature, jid_=None, node=u""):
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027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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132 """Like hasFeature, but raise an exception is feature is not Found
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133
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
134 @param feature: feature namespace
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diff changeset
135 @param jid_: jid of the target, or None for profile's server
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136 @param node(unicode): optional node to use for disco request
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diff changeset
137
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
138 @raise: exceptions.FeatureNotFound
027a054c6dda core (disco): added checkFeature method + fixed hasFeature test
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diff changeset
139 """
2148
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diff changeset
140 disco_infos = yield self.getInfos(client, jid_, node)
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parents: 963
diff changeset
141 if not feature in disco_infos.features:
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parents: 1491
diff changeset
142 raise failure.Failure(exceptions.FeatureNotFound)
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704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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parents: 1484
diff changeset
143
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
144 @defer.inlineCallbacks
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145 def checkFeatures(self, client, features, jid_=None, identity=None, node=u""):
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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parents: 1484
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146 """Like checkFeature, but check several features at once, and check also identity
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parents: 1484
diff changeset
147
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
148 @param features(iterable[unicode]): features to check
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149 @param jid_(jid.JID): jid of the target, or None for profile's server
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150 @param node(unicode): optional node to use for disco request
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151 @param identity(None, tuple(unicode, unicode): if not None, the entity must have an identity with this (category, type) tuple
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diff changeset
152
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
153 @raise: exceptions.FeatureNotFound
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diff changeset
154 """
2148
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155 disco_infos = yield self.getInfos(client, jid_, node)
1491
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diff changeset
156 if not set(features).issubset(disco_infos.features):
1493
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diff changeset
157 raise failure.Failure(exceptions.FeatureNotFound())
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diff changeset
158
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
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diff changeset
159 if identity is not None and identity not in disco_infos.identities:
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parents: 1491
diff changeset
160 raise failure.Failure(exceptions.FeatureNotFound())
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
161
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162 def getInfos(self, client, jid_=None, node=u"", use_cache=True):
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163 """get disco infos from jid_, filling capability hash if needed
594
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parents: 588
diff changeset
164
944
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165 @param jid_: jid of the target, or None for profile's server
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diff changeset
166 @param node(unicode): optional node to use for disco request
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diff changeset
167 @param use_cache(bool): if True, use cached data if available
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diff changeset
168 @return: a Deferred which fire disco.DiscoInfo
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diff changeset
169 """
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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diff changeset
170 if jid_ is None:
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diff changeset
171 jid_ = jid.JID(client.jid.host)
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diff changeset
172 try:
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diff changeset
173 if not use_cache:
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
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parents: 2150
diff changeset
174 # we ignore cache, so we pretend we haven't found it
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diff changeset
175 raise KeyError
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diff changeset
176 cap_hash = self.host.memory.getEntityData(
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diff changeset
177 jid_, [C.ENTITY_CAP_HASH], client.profile
56f94936df1e code style reformatting using black
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diff changeset
178 )[C.ENTITY_CAP_HASH]
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diff changeset
179 except (KeyError, exceptions.UnknownEntityError):
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diff changeset
180 # capability hash is not available, we'll compute one
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parents: 963
diff changeset
181 def infosCb(disco_infos):
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
182 cap_hash = self.generateHash(disco_infos)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
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parents: 963
diff changeset
183 self.hashes[cap_hash] = disco_infos
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diff changeset
184 self.host.memory.updateEntityData(
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diff changeset
185 jid_, C.ENTITY_CAP_HASH, cap_hash, profile_key=client.profile
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diff changeset
186 )
973
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parents: 963
diff changeset
187 return disco_infos
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diff changeset
188
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
189 def infosEb(fail):
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
190 if fail.check(defer.CancelledError):
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
191 reason = u"request time-out"
2768
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parents: 2765
diff changeset
192 fail = failure.Failure(exceptions.TimeOutError(fail.message))
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
193 else:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
194 try:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
195 reason = unicode(fail.value)
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
196 except AttributeError:
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
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parents: 1684
diff changeset
197 reason = unicode(fail)
2768
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diff changeset
198
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
199 log.warning(
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
200 u"Error while requesting disco infos from {jid}: {reason}".format(
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
201 jid=jid_.full(), reason=reason
2624
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parents: 2587
diff changeset
202 )
2768
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
203 )
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
204
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
Goffi <goffi@goffi.org>
parents: 2765
diff changeset
205 # XXX we set empty disco in cache, to avoid getting an error or waiting
cb34af35af6f core (disco): client.disco.requestInfo failure are re-raised:
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parents: 2765
diff changeset
206 # for a timeout again the next time
2624
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diff changeset
207 self.host.memory.updateEntityData(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
208 jid_, C.ENTITY_CAP_HASH, CAP_HASH_ERROR, profile_key=client.profile
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
209 )
2768
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parents: 2765
diff changeset
210 raise fail
2624
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diff changeset
211
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
212 d = client.disco.requestInfo(jid_, nodeIdentifier=node)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
213 d.addCallback(infosCb)
1752
cbcc223c323a core (disco): display a warning when a disco info/items request failed, and return empty DiscoInfo/DiscoITems
Goffi <goffi@goffi.org>
parents: 1684
diff changeset
214 d.addErrback(infosEb)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
215 return d
1290
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diff changeset
216 else:
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diff changeset
217 disco_infos = self.hashes[cap_hash]
faa1129559b8 core, frontends: refactoring to base Libervia on QuickFrontend (big mixed commit):
Goffi <goffi@goffi.org>
parents: 1216
diff changeset
218 return defer.succeed(disco_infos)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
219
944
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diff changeset
220 @defer.inlineCallbacks
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parents: 2587
diff changeset
221 def getItems(self, client, jid_=None, node=u"", use_cache=True):
944
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parents: 941
diff changeset
222 """get disco items from jid_, cache them for our own server
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
223
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
224 @param jid_(jid.JID): jid of the target, or None for profile's server
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
225 @param node(unicode): optional node to use for disco request
2342
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
226 @param use_cache(bool): if True, use cached data if available
963
723f28cd15c7 core (disco): added discoInfos and discoItems bridge methods
Goffi <goffi@goffi.org>
parents: 961
diff changeset
227 @return: a Deferred which fire disco.DiscoItems
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
228 """
2407
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
229 server_jid = jid.JID(client.jid.host)
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
230 if jid_ is None:
2407
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
231 jid_ = server_jid
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
232
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
233 if jid_ == server_jid and not node:
cf9b276f4a08 core (disco): do not cache disco items when node is set
Goffi <goffi@goffi.org>
parents: 2342
diff changeset
234 # we cache items only for our own server and if node is not set
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
235 try:
2624
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
236 items = self.host.memory.getEntityData(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
237 jid_, ["DISCO_ITEMS"], client.profile
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parents: 2587
diff changeset
238 )["DISCO_ITEMS"]
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souliane <souliane@mailoo.org>
parents: 1396
diff changeset
239 log.debug(u"[%s] disco items are in cache" % jid_.full())
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f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
240 if not use_cache:
f047d5410040 core (memory/disco): added use_cache parameter to discoInfos/discoItems (set to False to ignore cache)
Goffi <goffi@goffi.org>
parents: 2150
diff changeset
241 # we ignore cache, so we pretend we haven't found it
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Goffi <goffi@goffi.org>
parents: 2150
diff changeset
242 raise KeyError
1290
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Goffi <goffi@goffi.org>
parents: 1216
diff changeset
243 except (KeyError, exceptions.UnknownEntityError):
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souliane <souliane@mailoo.org>
parents: 1396
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244 log.debug(u"Caching [%s] disco items" % jid_.full())
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
245 items = yield client.disco.requestItems(jid_, nodeIdentifier=node)
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parents: 2587
diff changeset
246 self.host.memory.updateEntityData(
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parents: 2587
diff changeset
247 jid_, "DISCO_ITEMS", items, profile_key=client.profile
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parents: 2587
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248 )
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diff changeset
249 else:
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parents: 1684
diff changeset
250 try:
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parents: 2096
diff changeset
251 items = yield client.disco.requestItems(jid_, nodeIdentifier=node)
1752
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Goffi <goffi@goffi.org>
parents: 1684
diff changeset
252 except StanzaError as e:
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Goffi <goffi@goffi.org>
parents: 2587
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253 log.warning(
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
254 u"Error while requesting items for {jid}: {reason}".format(
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
255 jid=jid_.full(), reason=e.condition
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
256 )
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parents: 2587
diff changeset
257 )
1752
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Goffi <goffi@goffi.org>
parents: 1684
diff changeset
258 items = disco.DiscoItems()
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259
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
260 defer.returnValue(items)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
261
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Goffi <goffi@goffi.org>
parents: 1491
diff changeset
262 def _infosEb(self, failure_, entity_jid):
1285c714a6cc core (disco): use of failure.Failure when raising FeatureNotFound to avoid a jump in debugger in debug mode
Goffi <goffi@goffi.org>
parents: 1491
diff changeset
263 failure_.trap(StanzaError)
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parents: 2587
diff changeset
264 log.warning(
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parents: 2587
diff changeset
265 _(u"Error while requesting [%(jid)s]: %(error)s")
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parents: 2587
diff changeset
266 % {"jid": entity_jid.full(), "error": failure_.getErrorMessage()}
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parents: 2587
diff changeset
267 )
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parents: 963
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268
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
269 def findServiceEntity(self, client, category, type_, jid_=None):
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parents: 2414
diff changeset
270 """Helper method to find first available entity from findServiceEntities
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parents: 2414
diff changeset
271
a9fac72825a2 memory (disco): added findServiceEntity helper method to get first service of a kind
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parents: 2414
diff changeset
272 args are the same as for [findServiceEntities]
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parents: 2414
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273 @return (jid.JID, None): found entity
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parents: 2414
diff changeset
274 """
a9fac72825a2 memory (disco): added findServiceEntity helper method to get first service of a kind
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parents: 2414
diff changeset
275 d = self.host.findServiceEntities(client, "pubsub", "service")
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
276 d.addCallback(lambda entities: entities.pop() if entities else None)
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
277 return d
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Goffi <goffi@goffi.org>
parents: 2414
diff changeset
278
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diff changeset
279 def findServiceEntities(self, client, category, type_, jid_=None):
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parents: 941
diff changeset
280 """Return all available items of an entity which correspond to (category, type_)
587
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
281
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parents: 941
diff changeset
282 @param category: identity's category
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parents: 941
diff changeset
283 @param type_: identitiy's type
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parents: 941
diff changeset
284 @param jid_: the jid of the target server (None for profile's server)
1460
c7fd121a6180 core: getProfileName no raise ProfileUnknownError + minor doc fixes
Goffi <goffi@goffi.org>
parents: 1416
diff changeset
285 @return: a set of found entities
1675
fd143578fe89 plugin XEP-0065: fixed bad error handling
Goffi <goffi@goffi.org>
parents: 1552
diff changeset
286 @raise defer.CancelledError: the request timed out
944
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parents: 941
diff changeset
287 """
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
288 found_entities = set()
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
289
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
290 def infosCb(infos, entity_jid):
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parents: 941
diff changeset
291 if (category, type_) in infos.identities:
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
292 found_entities.add(entity_jid)
282
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Goffi <goffi@goffi.org>
parents:
diff changeset
293
973
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parents: 963
diff changeset
294 def gotItems(items):
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
295 defers_list = []
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
296 for item in items:
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
297 info_d = self.getInfos(client, item.entity)
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parents: 2587
diff changeset
298 info_d.addCallbacks(
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parents: 2587
diff changeset
299 infosCb, self._infosEb, [item.entity], None, [item.entity]
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parents: 2587
diff changeset
300 )
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
301 defers_list.append(info_d)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
302 return defer.DeferredList(defers_list)
944
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parents: 941
diff changeset
303
2148
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
304 d = self.getItems(client, jid_)
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
305 d.addCallback(gotItems)
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2712
diff changeset
306 d.addCallback(lambda __: found_entities)
2624
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Goffi <goffi@goffi.org>
parents: 2587
diff changeset
307 reactor.callLater(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
308 TIMEOUT, d.cancel
56f94936df1e code style reformatting using black
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parents: 2587
diff changeset
309 ) # FIXME: one bad service make a general timeout
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
310 return d
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
311
2148
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parents: 2096
diff changeset
312 def findFeaturesSet(self, client, features, identity=None, jid_=None):
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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parents: 941
diff changeset
313 """Return entities (including jid_ and its items) offering features
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 572
diff changeset
314
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
315 @param features: iterable of features which must be present
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
316 @param identity(None, tuple(unicode, unicode)): if not None, accept only this (category/type) identity
944
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
317 @param jid_: the jid of the target server (None for profile's server)
1552
e0bde0d0b321 core (disco): use of “profile” instead of “profile_key” in several disco methods
Goffi <goffi@goffi.org>
parents: 1493
diff changeset
318 @param profile: %(doc_profile)s
944
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parents: 941
diff changeset
319 @return: a set of found entities
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
320 """
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
321 if jid_ is None:
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
322 jid_ = jid.JID(client.jid.host)
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
323 features = set(features)
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
324 found_entities = set()
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
325
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
326 def infosCb(infos, entity):
2533
8d82a62fa098 core (disco), plugin XEP-0115: client use + capabilities hash improvment:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
327 if entity is None:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2587
diff changeset
328 log.warning(_(u"received an item without jid"))
2533
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Goffi <goffi@goffi.org>
parents: 2483
diff changeset
329 return
1491
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
330 if identity is not None and identity not in infos.identities:
704ca56f5ca9 core (disco): added checkFeatures to check several features at once + identities are now managed with a tuple in findFeaturesSet and checkFeatures
Goffi <goffi@goffi.org>
parents: 1484
diff changeset
331 return
944
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
332 if features.issubset(infos.features):
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
Goffi <goffi@goffi.org>
parents: 941
diff changeset
333 found_entities.add(entity)
282
6a0c6d8e119d added plugin xep-0115: entity capabilities
Goffi <goffi@goffi.org>
parents:
diff changeset
334
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
335 def gotItems(items):
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
336 defer_list = []
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
337 for entity in [jid_] + [item.entity for item in items]:
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
Goffi <goffi@goffi.org>
parents: 2096
diff changeset
338 infos_d = self.getInfos(client, entity)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
339 infos_d.addCallbacks(infosCb, self._infosEb, [entity], None, [entity])
1484
05b821a0ff5a core (disco): fixed bad indentation resulting in bad result in findFeaturesSet
Goffi <goffi@goffi.org>
parents: 1460
diff changeset
340 defer_list.append(infos_d)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
341 return defer.DeferredList(defer_list)
4a8903021fda core (disco): findFeaturesSet and findServiceEntities don't use inlineCallbacks anymore, that allow a better error management (no more anonying debugger raise when discoInfo fails in debug mode)
Goffi <goffi@goffi.org>
parents: 963
diff changeset
342
2148
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Goffi <goffi@goffi.org>
parents: 2096
diff changeset
343 d = self.getItems(client, jid_)
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
344 d.addCallback(gotItems)
2765
378188abe941 misc: replaced all "dummy" by the more conventional and readable "__" ("_" being used for gettext)
Goffi <goffi@goffi.org>
parents: 2712
diff changeset
345 d.addCallback(lambda __: found_entities)
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parents: 2587
diff changeset
346 reactor.callLater(
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Goffi <goffi@goffi.org>
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diff changeset
347 TIMEOUT, d.cancel
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parents: 2587
diff changeset
348 ) # FIXME: one bad service make a general timeout
973
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Goffi <goffi@goffi.org>
parents: 963
diff changeset
349 return d
944
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diff changeset
350
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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351 def generateHash(self, services):
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parents: 941
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352 """ Generate a unique hash for given service
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353
e1842ebcb2f3 core, plugin XEP-0115: discovery refactoring:
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354 hash algorithm is the one described in XEP-0115
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355 @param services: iterable of disco.DiscoIdentity/disco.DiscoFeature, as returned by discoHandler.info
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356
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357 """
944
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358 s = []
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359 byte_identities = [
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360 ByteIdentity(service)
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361 for service in services
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362 if isinstance(service, disco.DiscoIdentity)
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363 ] # FIXME: lang must be managed here
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364 byte_identities.sort(key=lambda i: i.lang)
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parents: 941
diff changeset
365 byte_identities.sort(key=lambda i: i.idType)
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parents: 941
diff changeset
366 byte_identities.sort(key=lambda i: i.category)
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367 for identity in byte_identities:
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parents: 941
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368 s.append(str(identity))
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369 s.append("<")
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370 byte_features = [
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371 service.encode("utf-8")
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372 for service in services
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373 if isinstance(service, disco.DiscoFeature)
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374 ]
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parents: 941
diff changeset
375 byte_features.sort() # XXX: the default sort has the same behaviour as the requested RFC 4790 i;octet sort
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diff changeset
376 for feature in byte_features:
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parents: 941
diff changeset
377 s.append(feature)
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378 s.append("<")
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diff changeset
379 # TODO: manage XEP-0128 data form here
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diff changeset
380 cap_hash = b64encode(sha1("".join(s)).digest())
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parents: 2587
diff changeset
381 log.debug(_(u"Capability hash generated: [%s]") % cap_hash)
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diff changeset
382 return cap_hash
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diff changeset
383
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diff changeset
384 @defer.inlineCallbacks
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385 def _discoInfos(
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386 self, entity_jid_s, node=u"", use_cache=True, profile_key=C.PROF_KEY_NONE
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387 ):
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388 """ Discovery method for the bridge
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parents: 961
diff changeset
389 @param entity_jid_s: entity we want to discover
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390 @param use_cache(bool): if True, use cached data if available
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391 @param node(unicode): optional node to use
963
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diff changeset
392
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393 @return: list of tuples
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parents: 1493
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394 """
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parents: 2096
diff changeset
395 client = self.host.getClient(profile_key)
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diff changeset
396 entity = jid.JID(entity_jid_s)
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diff changeset
397 disco_infos = yield self.getInfos(client, entity, node, use_cache)
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398 extensions = {}
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diff changeset
399 # FIXME: should extensions be serialised using tools.common.data_format?
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diff changeset
400 for form_type, form in disco_infos.extensions.items():
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diff changeset
401 fields = []
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402 for field in form.fieldList:
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403 data = {"type": field.fieldType}
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404 for attr in ("var", "label", "desc"):
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diff changeset
405 value = getattr(field, attr)
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406 if value is not None:
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diff changeset
407 data[attr] = value
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diff changeset
408
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409 values = [field.value] if field.value is not None else field.values
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410 if field.fieldType == u"boolean":
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411 values = [C.boolConst(C.bool(v)) for v in values]
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diff changeset
412 fields.append((data, values))
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413
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diff changeset
414 extensions[form_type or ""] = fields
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diff changeset
415
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416 defer.returnValue((
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417 disco_infos.features,
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418 [(cat, type_, name or "")
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419 for (cat, type_), name in disco_infos.identities.items()],
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420 extensions))
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421
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422 def items2tuples(self, disco_items):
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423 """convert disco items to tuple of strings
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424
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425 @param disco_items(iterable[disco.DiscoItem]): items
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diff changeset
426 @return G(tuple[unicode,unicode,unicode]): serialised items
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427 """
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diff changeset
428 for item in disco_items:
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parents: 2096
diff changeset
429 if not item.entity:
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diff changeset
430 log.warning(_(u"invalid item (no jid)"))
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431 continue
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432 yield (item.entity.full(), item.nodeIdentifier or "", item.name or "")
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433
963
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diff changeset
434 @defer.inlineCallbacks
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435 def _discoItems(
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diff changeset
436 self, entity_jid_s, node=u"", use_cache=True, profile_key=C.PROF_KEY_NONE
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diff changeset
437 ):
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diff changeset
438 """ Discovery method for the bridge
2148
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parents: 2096
diff changeset
439
963
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diff changeset
440 @param entity_jid_s: entity we want to discover
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441 @param node(unicode): optional node to use
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diff changeset
442 @param use_cache(bool): if True, use cached data if available
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diff changeset
443 @return: list of tuples"""
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parents: 2096
diff changeset
444 client = self.host.getClient(profile_key)
963
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parents: 961
diff changeset
445 entity = jid.JID(entity_jid_s)
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parents: 2150
diff changeset
446 disco_items = yield self.getItems(client, entity, node, use_cache)
2148
a543eda2c923 core (memory/disco): getInfos now handle node + use client instead of profile in many methods
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parents: 2096
diff changeset
447 ret = list(self.items2tuples(disco_items))
2096
efe31f0881fb core (memory/disco): recover getItems on bridge's discoItems method if an item is empty
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parents: 1934
diff changeset
448 defer.returnValue(ret)