Mercurial > libervia-backend
annotate plugins/plugin_xep_0054.py @ 42:874de3020e1c
Initial VCard (XEP-0054) support + misc fixes
- new xep-0054 plugin, avatar are cached, new getProfile bridge method
- gateways plugin (XEP-0100): new __private__ key in resulting data, used to keep target jid
author | Goffi <goffi@goffi.org> |
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date | Mon, 21 Dec 2009 13:22:11 +1100 |
parents | |
children | 8a438a6ff587 |
rev | line source |
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42
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1 #!/usr/bin/python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 """ |
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5 SAT plugin for managing xep-0054 |
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6 Copyright (C) 2009 Jérôme Poisson (goffi@goffi.org) |
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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 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 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 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 """ |
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21 |
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22 from logging import debug, info, error |
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23 from twisted.words.xish import domish |
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24 from twisted.internet import protocol, defer, threads, reactor |
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25 from twisted.words.protocols.jabber import client, jid, xmlstream |
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26 from twisted.words.protocols.jabber import error as jab_error |
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27 from twisted.words.protocols.jabber.xmlstream import IQ |
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28 import os.path |
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29 import pdb |
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30 |
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31 from zope.interface import implements |
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32 |
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33 from wokkel import disco, iwokkel |
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34 |
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35 from base64 import b64decode |
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36 from hashlib import sha1 |
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37 from time import sleep |
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38 |
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39 AVATAR_PATH = "/avatars" |
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40 |
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41 IQ_GET = '/iq[@type="get"]' |
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42 NS_VCARD = 'vcard-temp' |
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43 VCARD_REQUEST = IQ_GET + '/si[@xmlns="' + NS_VCARD + '"]' #TODO: manage requests |
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44 |
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45 PLUGIN_INFO = { |
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46 "name": "XEP 0054 Plugin", |
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47 "import_name": "XEP_0054", |
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48 "type": "XEP", |
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49 "dependencies": [], |
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50 "main": "XEP_0054", |
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51 "description": """Implementation of vcard-temp""" |
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52 } |
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53 |
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54 class XEP_0054(): |
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55 implements(iwokkel.IDisco) |
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56 |
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57 def __init__(self, host): |
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58 info("Plugin XEP_0054 initialization") |
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59 self.host = host |
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60 self.avatar_path = os.path.expanduser(self.host.get_const('local_dir') + AVATAR_PATH) |
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61 if not os.path.exists(self.avatar_path): |
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62 os.makedirs(self.avatar_path) |
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63 host.bridge.addMethod("getProfile", ".communication", in_sign='s', out_sign='s', method=self.getProfile) |
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64 |
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65 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): |
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66 return [disco.DiscoFeature(NS_VCARD)] |
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67 |
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68 def getDiscoItems(self, requestor, target, nodeIdentifier=''): |
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69 return [] |
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70 |
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71 def save_photo(self, photo_xml): |
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72 """Parse a <PHOTO> elem and save the picture""" |
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73 print "save_photo result" |
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74 for elem in photo_xml.elements(): |
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75 if elem.name == 'TYPE': |
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76 info('Photo of type [%s] found' % str(elem)) |
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77 if elem.name == 'BINVAL': |
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78 debug('Decoding binary') |
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79 decoded = b64decode(str(elem)) |
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80 hash = sha1(decoded).hexdigest() |
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81 filename = self.avatar_path+'/'+hash |
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82 if not os.path.exists(filename): |
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83 with open(filename,'wb') as file: |
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84 file.write(decoded) |
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85 debug("file saved to %s" % hash) |
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86 else: |
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87 debug("file [%s] already in cache" % hash) |
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88 return hash |
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89 |
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90 @defer.deferredGenerator |
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91 def vCard2Dict(self, vcard): |
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92 """Convert a VCard to a dict, and save binaries""" |
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93 debug ("parsing vcard") |
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94 dictionary = {} |
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95 d = defer.Deferred() |
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96 |
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97 for elem in vcard.elements(): |
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98 if elem.name == 'FN': |
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99 dictionary['fullname'] = unicode(elem) |
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100 elif elem.name == 'NICKNAME': |
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101 dictionary['nick'] = unicode(elem) |
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102 elif elem.name == 'URL': |
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103 dictionary['website'] = unicode(elem) |
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104 elif elem.name == 'EMAIL': |
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105 dictionary['email'] = unicode(elem) |
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106 elif elem.name == 'BDAY': |
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107 dictionary['birthday'] = unicode(elem) |
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108 elif elem.name == 'PHOTO': |
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109 debug('photo deferred') |
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110 d2 = defer.waitForDeferred( |
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111 threads.deferToThread(self.save_photo, elem)) |
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112 yield d2 |
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113 dictionary["photo"] = d2.getResult() |
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114 else: |
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115 info ('FIXME: [%s] VCard tag is not managed yet' % elem.name) |
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116 |
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117 yield dictionary |
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118 |
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119 def vcard_ok(self, answer): |
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120 """Called after the first get IQ""" |
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121 debug ("VCard found") |
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122 |
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123 if answer.firstChildElement().name == "vCard": |
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124 d = self.vCard2Dict(answer.firstChildElement()) |
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125 d.addCallback(lambda data: self.host.bridge.actionResult("RESULT", answer['id'], data)) |
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126 else: |
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127 error ("FIXME: vCard not found as first child element") |
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128 self.host.bridge.actionResult("SUPPRESS", answer['id'], {}) #FIXME: maybe an error message would be best |
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129 |
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130 def vcard_err(self, failure): |
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131 """Called when something is wrong with registration""" |
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132 error ("Can't find VCard of %s" % failure.value.stanza['from']) |
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133 self.host.bridge.actionResult("SUPPRESS", failure.value.stanza['id'], {}) #FIXME: maybe an error message would be best |
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134 |
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135 def getProfile(self, target): |
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136 """Ask server for VCard |
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137 @param target: jid from which we want the VCard |
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138 @result: id to retrieve the profile""" |
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139 to_jid = jid.JID(target) |
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140 debug("Asking for %s's VCard" % to_jid.full()) |
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141 reg_request=IQ(self.host.xmlstream,'get') |
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142 reg_request["from"]=self.host.me.full() |
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143 reg_request["to"] = to_jid.full() |
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144 query=reg_request.addElement('vCard', NS_VCARD) |
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145 reg_request.send(to_jid.full()).addCallbacks(self.vcard_ok, self.vcard_err) |
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146 return reg_request["id"] |
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147 |