1# Copyright (C) 2020 Philipp Hörist <philipp AT hoerist.com> 2# 3# This file is part of nbxmpp. 4# 5# This program is free software; you can redistribute it and/or 6# modify it under the terms of the GNU General Public License 7# as published by the Free Software Foundation; either version 3 8# of the License, or (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; If not, see <http://www.gnu.org/licenses/>. 17 18import hashlib 19from dataclasses import dataclass 20from dataclasses import field 21 22from nbxmpp.task import iq_request_task 23from nbxmpp.util import b64decode 24from nbxmpp.util import b64encode 25from nbxmpp.errors import StanzaError 26from nbxmpp.errors import MalformedStanzaError 27from nbxmpp.protocol import Iq 28from nbxmpp.simplexml import Node 29from nbxmpp.namespaces import Namespace 30from nbxmpp.modules.base import BaseModule 31from nbxmpp.modules.util import process_response 32 33 34class VCardTemp(BaseModule): 35 def __init__(self, client): 36 BaseModule.__init__(self, client) 37 38 self._client = client 39 self.handlers = [] 40 41 @iq_request_task 42 def request_vcard(self, jid=None): 43 _task = yield 44 45 response = yield _make_vcard_request(jid) 46 47 if response.isError(): 48 raise StanzaError(response) 49 50 vcard_node = _get_vcard_node(response) 51 yield VCard.from_node(vcard_node) 52 53 @iq_request_task 54 def set_vcard(self, vcard, jid=None): 55 _task = yield 56 57 response = yield _make_vcard_publish(jid, vcard) 58 yield process_response(response) 59 60 61def _make_vcard_request(jid): 62 iq = Iq(typ='get', to=jid) 63 iq.addChild('vCard', namespace=Namespace.VCARD) 64 return iq 65 66 67def _get_vcard_node(response): 68 vcard_node = response.getTag('vCard', namespace=Namespace.VCARD) 69 if vcard_node is None: 70 raise MalformedStanzaError('vCard node missing', response) 71 return vcard_node 72 73 74def _make_vcard_publish(jid, vcard): 75 iq = Iq(typ='set', to=jid) 76 iq.addChild(node=vcard.to_node()) 77 return iq 78 79 80@dataclass 81class VCard: 82 data: dict = field(default_factory=dict) 83 84 @classmethod 85 def from_node(cls, node): 86 dict_ = {} 87 for info in node.getChildren(): 88 name = info.getName() 89 if name in ('ADR', 'TEL', 'EMAIL'): 90 dict_.setdefault(name, []) 91 entry = {} 92 for child in info.getChildren(): 93 entry[child.getName()] = child.getData() 94 dict_[name].append(entry) 95 elif info.getChildren() == []: 96 dict_[name] = info.getData() 97 else: 98 dict_[name] = {} 99 for child in info.getChildren(): 100 dict_[name][child.getName()] = child.getData() 101 102 return cls(data=dict_) 103 104 def to_node(self): 105 vcard = Node(tag='vCard', attrs={'xmlns': Namespace.VCARD}) 106 for i in self.data: 107 if i == 'jid': 108 continue 109 if isinstance(self.data[i], dict): 110 child = vcard.addChild(i) 111 for j in self.data[i]: 112 child.addChild(j).setData(self.data[i][j]) 113 elif isinstance(self.data[i], list): 114 for j in self.data[i]: 115 child = vcard.addChild(i) 116 for k in j: 117 child.addChild(k).setData(j[k]) 118 else: 119 vcard.addChild(i).setData(self.data[i]) 120 return vcard 121 122 def set_avatar(self, avatar, type_=None): 123 avatar = b64encode(avatar) 124 if 'PHOTO' not in self.data: 125 self.data['PHOTO'] = {} 126 127 self.data['PHOTO']['BINVAL'] = avatar 128 129 if type_ is not None: 130 self.data['PHOTO']['TYPE'] = type_ 131 132 def get_avatar(self): 133 try: 134 avatar = self.data['PHOTO']['BINVAL'] 135 except Exception: 136 return None, None 137 138 if not avatar: 139 return None, None 140 141 avatar = b64decode(avatar, return_type=bytes) 142 avatar_sha = hashlib.sha1(avatar).hexdigest() 143 return avatar, avatar_sha 144