Mercurial > libervia-backend
annotate src/plugins/plugin_xep_0054.py @ 1978:8156f2116dc9
plugin XEP-0054: fixed getCard calls
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Tue, 28 Jun 2016 18:27:02 +0200 |
| parents | 200cd707a46d |
| children | b99bd02ea643 |
| rev | line source |
|---|---|
|
1934
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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 plugin for managing xep-0054 |
| 1766 | 5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org) |
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plugin XEP-0054: also work with python2-pillow
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6 # Copyright (C) 2014 Emmanuel Gil Peyrot (linkmauve@linkmauve.fr) |
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7 |
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8 # This program is free software: you can redistribute it and/or modify |
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9 # it under the terms of the GNU Affero General Public License as published by |
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10 # the Free Software Foundation, either version 3 of the License, or |
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11 # (at your option) any later version. |
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12 |
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13 # This program is distributed in the hope that it will be useful, |
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 # GNU Affero General Public License for more details. |
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17 |
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18 # You should have received a copy of the GNU Affero General Public License |
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 |
| 771 | 21 from sat.core.i18n import _ |
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22 from sat.core.constants import Const as C |
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23 from sat.core.log import getLogger |
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24 log = getLogger(__name__) |
| 939 | 25 from twisted.internet import threads, defer |
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26 from twisted.words.protocols.jabber import jid |
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27 from twisted.words.protocols.jabber.xmlstream import IQ |
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28 from twisted.words.xish import domish |
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29 from twisted.python.failure import Failure |
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30 import os.path |
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31 |
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32 from zope.interface import implements |
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33 |
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34 from wokkel import disco, iwokkel |
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35 |
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36 from base64 import b64decode, b64encode |
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37 from hashlib import sha1 |
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38 from sat.core import exceptions |
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39 from sat.memory import persistent |
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40 try: |
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41 from PIL import Image |
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42 except: |
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43 raise exceptions.MissingModule(u"Missing module pillow, please download/install it from https://python-pillow.github.io") |
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44 from cStringIO import StringIO |
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45 |
| 48 | 46 try: |
| 47 from twisted.words.protocols.xmlstream import XMPPHandler | |
| 48 except ImportError: | |
| 49 from wokkel.subprotocols import XMPPHandler | |
| 50 | |
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51 AVATAR_PATH = "avatars" |
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52 AVATAR_DIM = (64, 64) |
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53 |
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54 IQ_GET = '/iq[@type="get"]' |
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55 NS_VCARD = 'vcard-temp' |
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56 VCARD_REQUEST = IQ_GET + '/vCard[@xmlns="' + NS_VCARD + '"]' # TODO: manage requests |
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57 |
| 48 | 58 PRESENCE = '/presence' |
| 59 NS_VCARD_UPDATE = 'vcard-temp:x:update' | |
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60 VCARD_UPDATE = PRESENCE + '/x[@xmlns="' + NS_VCARD_UPDATE + '"]' |
| 48 | 61 |
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62 CACHED_DATA = {'avatar', 'nick'} |
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63 |
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64 PLUGIN_INFO = { |
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65 "name": "XEP 0054 Plugin", |
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66 "import_name": "XEP-0054", |
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67 "type": "XEP", |
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68 "protocols": ["XEP-0054", "XEP-0153"], |
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69 "dependencies": [], |
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70 "recommendations": ["XEP-0045"], |
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71 "main": "XEP_0054", |
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72 "handler": "yes", |
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73 "description": _("""Implementation of vcard-temp""") |
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74 } |
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75 |
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76 |
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77 class XEP_0054(object): |
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78 #TODO: - check that nickname is ok |
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79 # - refactor the code/better use of Wokkel |
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80 # - get missing values |
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81 |
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82 def __init__(self, host): |
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83 log.info(_("Plugin XEP_0054 initialization")) |
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84 self.host = host |
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85 self.avatar_path = os.path.join(self.host.memory.getConfig('', 'local_dir'), AVATAR_PATH) |
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86 if not os.path.exists(self.avatar_path): |
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87 os.makedirs(self.avatar_path) |
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88 self.cache = {} |
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89 host.bridge.addMethod("getCard", ".plugin", in_sign='ss', out_sign='s', method=self._getCard) |
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90 host.bridge.addMethod("getAvatarFile", ".plugin", in_sign='s', out_sign='s', method=self.getAvatarFile) |
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91 host.bridge.addMethod("setAvatar", ".plugin", in_sign='ss', out_sign='', method=self.setAvatar, async=True) |
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92 host.trigger.add("presence_available", self.presenceAvailableTrigger) |
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93 host.memory.setSignalOnUpdate("avatar") |
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94 host.memory.setSignalOnUpdate("nick") |
| 64 | 95 |
| 72 | 96 def getHandler(self, profile): |
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97 return XEP_0054_handler(self) |
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98 |
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99 def presenceAvailableTrigger(self, presence_elt, client): |
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100 if client.jid.userhost() in self.cache[client.profile]: |
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101 try: |
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102 avatar_hash = self.cache[client.profile][client.jid.userhost()]['avatar'] |
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103 except KeyError: |
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104 log.info(u"No avatar in cache for {}".format(client.jid.userhost())) |
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105 return True |
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106 x_elt = domish.Element((NS_VCARD_UPDATE, 'x')) |
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107 x_elt.addElement('photo', content=avatar_hash) |
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108 presence_elt.addChild(x_elt) |
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109 |
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110 return True |
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111 |
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112 def isInRoom(self, client, entity_jid): |
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113 """Tell if an full jid is a member of a room |
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114 |
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115 @param entity_jid(jid.JID): full jid of the entity |
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116 @return (bool): True if the bare jid of the entity is a room jid |
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117 """ |
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118 try: |
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119 self.host.plugins['XEP-0045'].checkRoomJoined(client, entity_jid.userhostJID()) |
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120 except exceptions.NotFound: |
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121 return False |
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122 else: |
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123 return True |
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124 |
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125 def _fillCachedValues(self, profile): |
|
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126 #FIXME: this is really suboptimal, need to be reworked |
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127 # the current naive approach keeps a map between all jids of all profiles |
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128 # in persistent cache, then put avatar hashs in memory. |
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129 # Hashes should be shared between profiles |
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130 for jid_s, data in self.cache[profile].iteritems(): |
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131 jid_ = jid.JID(jid_s) |
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132 for name in CACHED_DATA: |
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133 try: |
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134 self.host.memory.updateEntityData(jid_, name, data[name], silent=True, profile_key=profile) |
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135 except KeyError: |
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136 pass |
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137 |
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138 @defer.inlineCallbacks |
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139 def profileConnecting(self, profile): |
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140 self.cache[profile] = persistent.PersistentBinaryDict(NS_VCARD, profile) |
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141 yield self.cache[profile].load() |
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142 self._fillCachedValues(profile) |
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143 |
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144 def profileDisconnected(self, profile): |
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145 log.debug(u"Deleting profile cache for avatars") |
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146 del self.cache[profile] |
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147 |
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148 def updateCache(self, client, jid_, name, value): |
| 48 | 149 """update cache value |
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150 |
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151 save value in memory in case of change |
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152 @param jid_(jid.JID): jid of the owner of the vcard |
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153 @param name(str): name of the item which changed |
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154 @param value(unicode): new value of the item |
| 48 | 155 """ |
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156 if jid_.resource: |
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157 if not self.isInRoom(client, jid_): |
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158 # VCard are retrieved with bare jid |
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159 # but MUC room is a special case |
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160 jid_ = jid.userhostJID() |
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161 |
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162 self.host.memory.updateEntityData(jid_, name, value, profile_key=client.profile) |
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163 if name in CACHED_DATA: |
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164 jid_s = jid_.userhost() |
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165 self.cache[client.profile].setdefault(jid_s, {})[name] = value |
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166 self.cache[client.profile].force(jid_s) |
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167 |
|
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168 def getCache(self, client, entity_jid, name): |
| 48 | 169 """return cached value for jid |
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170 |
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171 @param entity_jid: target contact |
| 48 | 172 @param name: name of the value ('nick' or 'avatar') |
| 173 @return: wanted value or None""" | |
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174 if entity_jid.resource: |
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175 if not self.isInRoom(client, entity_jid): |
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176 # VCard are retrieved with bare jid |
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177 # but MUC room is a special case |
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178 entity_jid = jid.userhostJID() |
| 48 | 179 try: |
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180 data = self.host.memory.getEntityData(entity_jid, [name], client.profile) |
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181 except exceptions.UnknownEntityError: |
| 48 | 182 return None |
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183 return data.get(name) |
| 48 | 184 |
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185 def _getFilename(self, hash_): |
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186 """Get filename from hash |
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187 |
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188 @param hash_: hash of the avatar |
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189 @return (str): absolute filename of the avatar |
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190 """ |
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191 return os.path.join(self.avatar_path, hash_) |
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192 |
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193 def saveAvatarFile(self, data, hash_): |
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194 """Save the avatar picture if it doesn't already exists |
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195 |
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196 @param data(str): binary image of the avatar |
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197 @param hash_(str): hash of the binary data (will be used for the filename) |
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198 """ |
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199 filename = self._getFilename(hash_) |
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200 if not os.path.exists(filename): |
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201 with open(filename, 'wb') as file_: |
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202 file_.write(data) |
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203 log.debug(_(u"file saved to %s") % hash_) |
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204 else: |
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205 log.debug(_(u"file [%s] already in cache") % hash_) |
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206 |
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207 def savePhoto(self, photo_xml): |
|
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208 """Parse a <PHOTO> elem and save the picture""" |
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209 for elem in photo_xml.elements(): |
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210 if elem.name == 'TYPE': |
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211 log.debug(_(u'Photo of type [%s] found') % str(elem)) |
|
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212 if elem.name == 'BINVAL': |
|
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213 log.debug(_('Decoding binary')) |
|
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214 decoded = b64decode(str(elem)) |
|
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215 image_hash = sha1(decoded).hexdigest() |
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216 self.saveAvatarFile(decoded, image_hash) |
|
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217 return image_hash |
|
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218 |
| 939 | 219 @defer.inlineCallbacks |
|
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220 def vCard2Dict(self, client, vcard, target): |
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221 """Convert a VCard to a dict, and save binaries""" |
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222 log.debug(_("parsing vcard")) |
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223 dictionary = {} |
|
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224 |
|
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225 for elem in vcard.elements(): |
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226 if elem.name == 'FN': |
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227 dictionary['fullname'] = unicode(elem) |
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228 elif elem.name == 'NICKNAME': |
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229 dictionary['nick'] = unicode(elem) |
|
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230 self.updateCache(client, target, 'nick', dictionary['nick']) |
|
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231 elif elem.name == 'URL': |
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232 dictionary['website'] = unicode(elem) |
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233 elif elem.name == 'EMAIL': |
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234 dictionary['email'] = unicode(elem) |
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235 elif elem.name == 'BDAY': |
|
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236 dictionary['birthday'] = unicode(elem) |
|
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237 elif elem.name == 'PHOTO': |
|
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238 dictionary["avatar"] = yield threads.deferToThread(self.savePhoto, elem) |
|
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239 if not dictionary["avatar"]: # can happen in case of e.g. empty photo elem |
| 48 | 240 del dictionary['avatar'] |
| 241 else: | |
|
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242 self.updateCache(client, target, 'avatar', dictionary['avatar']) |
|
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243 else: |
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244 log.info(_('FIXME: [%s] VCard tag is not managed yet') % elem.name) |
|
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245 |
|
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246 # if a data in cache doesn't exist anymore, we need to reset it |
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247 # so we check CACHED_DATA no gotten (i.e. not in dictionary keys) |
|
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248 # and we reset them |
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249 for datum in CACHED_DATA.difference(dictionary.keys()): |
|
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250 log.debug(u"reseting vcard datum [{datum}] for {entity}".format(datum=datum, entity=target.full())) |
|
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251 self.updateCache(client, target, datum, '') |
|
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252 |
| 939 | 253 defer.returnValue(dictionary) |
|
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254 |
|
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255 def _VCardCb(self, answer, client): |
|
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256 """Called after the first get IQ""" |
|
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257 log.debug(_("VCard found")) |
|
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258 |
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|
259 if answer.firstChildElement().name == "vCard": |
|
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260 try: |
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261 from_jid = jid.JID(answer["from"]) |
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262 except KeyError: |
|
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diff
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|
263 from_jid = client.jid.userhostJID() |
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|
264 d = self.vCard2Dict(client, answer.firstChildElement(), from_jid) |
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1934
diff
changeset
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265 d.addCallback(lambda data: self.host.bridge.actionResult("RESULT", answer['id'], data, client.profile)) |
|
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266 else: |
|
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|
267 log.error(_("FIXME: vCard not found as first child element")) |
|
1970
200cd707a46d
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diff
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|
268 self.host.bridge.actionResult("SUPPRESS", answer['id'], {}, client.profile) # FIXME: maybe an error message would be better |
|
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269 |
|
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changeset
|
270 def _VCardEb(self, failure, client): |
|
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|
271 """Called when something is wrong with registration""" |
|
1248
77a4592816f6
plugin XEP-0054: fixes error message when we get a ConnectionLost failure
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parents:
1246
diff
changeset
|
272 try: |
|
1970
200cd707a46d
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parents:
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diff
changeset
|
273 self.host.bridge.actionResult("SUPPRESS", failure.value.stanza['id'], {}, client.profile) # FIXME: maybe an error message would be better |
|
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274 log.warning(_(u"Can't find VCard of %s") % failure.value.stanza['from']) |
|
1970
200cd707a46d
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1934
diff
changeset
|
275 self.updateCache(client, jid.JID(failure.value.stanza['from']), "avatar", '') |
|
1437
a568fc14ab46
plugin XEP-0054: fixes bug introduced by changeset 1255 (38fb8823cee8)
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diff
changeset
|
276 except (AttributeError, KeyError): |
|
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1409
diff
changeset
|
277 # 'ConnectionLost' object has no attribute 'stanza' + sometimes 'from' key doesn't exist |
|
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|
278 log.warning(_(u"Can't find VCard: %s") % failure.getErrorMessage()) |
|
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|
279 |
|
1317
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|
280 def _getCard(self, target_s, profile_key=C.PROF_KEY_NONE): |
|
1970
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|
281 client = self.host.getClient(profile_key) |
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282 return self.getCard(client, jid.JID(target_s)) |
|
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|
283 |
|
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200cd707a46d
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changeset
|
284 def getCard(self, client, target): |
|
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|
285 """Ask server for VCard |
|
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|
286 |
|
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|
287 @param target(jid.JID): jid from which we want the VCard |
|
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|
288 @result: id to retrieve the profile |
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|
289 """ |
|
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|
290 to_jid = target.userhostJID() |
|
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291 log.debug(_(u"Asking for %s's VCard") % to_jid.userhost()) |
|
1970
200cd707a46d
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|
292 reg_request = client.IQ('get') |
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diff
changeset
|
293 reg_request["from"] = client.jid.full() |
| 48 | 294 reg_request["to"] = to_jid.userhost() |
|
504
65ecbb473cbb
core, quick frontend, plugin xep-0054, bridge: use of memory's entities data for vcard:
Goffi <goffi@goffi.org>
parents:
485
diff
changeset
|
295 reg_request.addElement('vCard', NS_VCARD) |
|
1970
200cd707a46d
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1934
diff
changeset
|
296 reg_request.send(to_jid.userhost()).addCallbacks(self._VCardCb, self._VCardEb, callbackArgs=[client], errbackArgs=[client]) |
|
587
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|
297 return reg_request["id"] |
|
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|
298 |
|
562
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changeset
|
299 def getAvatarFile(self, avatar_hash): |
| 43 | 300 """Give the full path of avatar from hash |
| 301 @param hash: SHA1 hash | |
| 302 @return full_path | |
| 303 """ | |
|
594
e629371a28d3
Fix pep8 support in src/plugins.
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changeset
|
304 filename = self.avatar_path + '/' + avatar_hash |
| 43 | 305 if not os.path.exists(filename): |
|
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|
306 log.error(_(u"Asking for an uncached avatar [%s]") % avatar_hash) |
| 43 | 307 return "" |
| 308 return filename | |
| 309 | |
|
570
bf1505df088c
plugin XEP-0054: fixed bad image resizing
Goffi <goffi@goffi.org>
parents:
562
diff
changeset
|
310 def _buildSetAvatar(self, vcard_set, filepath): |
|
562
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|
311 try: |
|
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|
312 img = Image.open(filepath) |
|
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|
313 except IOError: |
|
765
787ee59dba9c
plugins radiocol, xep-0054: better handling of upload errors:
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639
diff
changeset
|
314 return Failure(exceptions.DataError("Can't open image")) |
|
562
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changeset
|
315 |
|
1081
5d89fecdf667
plugin XEP-0054: crop uploaded avatar to get a square
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changeset
|
316 if img.size != AVATAR_DIM: |
|
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changeset
|
317 img.thumbnail(AVATAR_DIM, Image.ANTIALIAS) |
|
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|
318 if img.size[0] != img.size[1]: # we need to crop first |
|
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|
319 left, upper = (0, 0) |
|
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changeset
|
320 right, lower = img.size |
|
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changeset
|
321 offset = abs(right - lower) / 2 |
|
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diff
changeset
|
322 if right == min(img.size): |
|
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diff
changeset
|
323 upper += offset |
|
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plugin XEP-0054: crop uploaded avatar to get a square
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1075
diff
changeset
|
324 lower -= offset |
|
5d89fecdf667
plugin XEP-0054: crop uploaded avatar to get a square
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diff
changeset
|
325 else: |
|
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souliane <souliane@mailoo.org>
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changeset
|
326 left += offset |
|
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plugin XEP-0054: crop uploaded avatar to get a square
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changeset
|
327 right -= offset |
|
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plugin XEP-0054: crop uploaded avatar to get a square
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diff
changeset
|
328 img = img.crop((left, upper, right, lower)) |
|
562
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changeset
|
329 img_buf = StringIO() |
|
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560
diff
changeset
|
330 img.save(img_buf, 'PNG') |
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331 |
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332 vcard_elt = vcard_set.addElement('vCard', NS_VCARD) |
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333 photo_elt = vcard_elt.addElement('PHOTO') |
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334 photo_elt.addElement('TYPE', content='image/png') |
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335 photo_elt.addElement('BINVAL', content=b64encode(img_buf.getvalue())) |
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336 img_hash = sha1(img_buf.getvalue()).hexdigest() |
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337 self.saveAvatarFile(img_buf.getvalue(), img_hash) |
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338 return (vcard_set, img_hash) |
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339 |
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340 def setAvatar(self, filepath, profile_key=C.PROF_KEY_NONE): |
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341 """Set avatar of the profile |
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342 @param filepath: path of the image of the avatar""" |
| 1199 | 343 #TODO: This is a temporary way of setting the avatar, as other VCard information is not managed. |
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344 # A proper full VCard management should be done (and more generaly a public/private profile) |
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345 client = self.host.getClient(profile_key) |
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346 |
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347 vcard_set = IQ(client.xmlstream, 'set') |
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348 d = threads.deferToThread(self._buildSetAvatar, vcard_set, filepath) |
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349 |
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350 def elementBuilt(result): |
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351 """Called once the image is at the right size/format, and the vcard set element is build""" |
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352 set_avatar_elt, img_hash = result |
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353 self.updateCache(client, client.jid.userhostJID(), 'avatar', img_hash) |
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354 return set_avatar_elt.send().addCallback(lambda ignore: client.presence.available()) # FIXME: should send the current presence, not always "available" ! |
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355 |
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356 d.addCallback(elementBuilt) |
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357 |
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358 return d |
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359 |
| 64 | 360 |
| 361 class XEP_0054_handler(XMPPHandler): | |
| 362 implements(iwokkel.IDisco) | |
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363 |
| 64 | 364 def __init__(self, plugin_parent): |
| 365 self.plugin_parent = plugin_parent | |
| 366 self.host = plugin_parent.host | |
| 367 | |
| 368 def connectionInitialized(self): | |
| 369 self.xmlstream.addObserver(VCARD_UPDATE, self.update) | |
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370 |
| 64 | 371 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
| 372 return [disco.DiscoFeature(NS_VCARD)] | |
| 373 | |
| 374 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
| 375 return [] | |
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376 |
| 48 | 377 def update(self, presence): |
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378 """Called on <presence/> stanza with vcard data |
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379 |
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380 Check for avatar information, and get VCard if needed |
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381 @param presend(domish.Element): <presence/> stanza |
| 48 | 382 """ |
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383 from_jid = jid.JID(presence['from']) |
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384 if from_jid.resource and not self.plugin_parent.isInRoom(self.parent, from_jid): |
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385 from_jid = from_jid.userhostJID() |
|
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plugin XEP-0054: cache now use storage
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386 #FIXME: wokkel's data_form should be used here |
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387 try: |
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388 x_elt = presence.elements(NS_VCARD_UPDATE, 'x').next() |
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389 except StopIteration: |
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390 return |
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391 |
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392 try: |
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393 photo_elt = x_elt.elements(NS_VCARD_UPDATE, 'photo').next() |
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394 except StopIteration: |
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395 return |
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396 |
|
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397 hash_ = str(photo_elt) |
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398 if not hash_: |
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399 return |
|
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400 old_avatar = self.plugin_parent.getCache(self.parent, from_jid, 'avatar') |
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401 filename = self.plugin_parent._getFilename(hash_) |
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402 if not old_avatar or old_avatar != hash_: |
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403 if os.path.exists(filename): |
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404 log.debug(u"New avatar found for [{}], it's already in cache, we use it".format(from_jid.full())) |
|
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405 self.plugin_parent.updateCache(self.parent, from_jid, 'avatar', hash_) |
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406 else: |
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407 log.debug(u'New avatar found for [{}], requesting vcard'.format(from_jid.full())) |
|
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408 self.plugin_parent.getCard(self.parent, from_jid) |
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409 else: |
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410 if os.path.exists(filename): |
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411 log.debug(u"avatar for {} already in cache".format(from_jid.full())) |
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412 else: |
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413 log.error(u"Avatar for [{}] should be in cache but it is not ! We get it".format(from_jid.full())) |
|
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414 self.plugin_parent.getCard(self.parent, from_jid) |
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|
415 |