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# Copyright (C) 2020 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from typing import TYPE_CHECKING
import hashlib
from dataclasses import dataclass
from dataclasses import field
from nbxmpp.errors import MalformedStanzaError
from nbxmpp.errors import StanzaError
from nbxmpp.modules.base import BaseModule
from nbxmpp.modules.util import process_response
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Iq
from nbxmpp.protocol import JID
from nbxmpp.simplexml import Node
from nbxmpp.task import iq_request_task
from nbxmpp.util import b64decode
from nbxmpp.util import b64encode
if TYPE_CHECKING:
from nbxmpp.client import Client
class VCardTemp(BaseModule):
def __init__(self, client: Client) -> None:
BaseModule.__init__(self, client)
self._client = client
self.handlers = []
@iq_request_task
def request_vcard(self, jid: JID | None = None):
_task = yield
response = yield _make_vcard_request(jid)
if response.isError():
raise StanzaError(response)
vcard_node = _get_vcard_node(response)
yield VCard.from_node(vcard_node)
@iq_request_task
def set_vcard(self, vcard: VCard, jid: JID | None = None):
_task = yield
response = yield _make_vcard_publish(jid, vcard)
yield process_response(response)
def _make_vcard_request(jid: JID) -> Iq:
iq = Iq(typ="get", to=jid)
iq.addChild("vCard", namespace=Namespace.VCARD)
return iq
def _get_vcard_node(response: Node) -> Node:
vcard_node = response.getTag("vCard", namespace=Namespace.VCARD)
if vcard_node is None:
raise MalformedStanzaError("vCard node missing", response)
return vcard_node
def _make_vcard_publish(jid: JID, vcard: VCard) -> Iq:
iq = Iq(typ="set", to=jid)
iq.addChild(node=vcard.to_node())
return iq
@dataclass
class VCard:
data: dict = field(default_factory=dict)
@classmethod
def from_node(cls, node: Node) -> VCard:
dict_ = {}
for info in node.getChildren():
name = info.getName()
if name in ("ADR", "TEL", "EMAIL"):
dict_.setdefault(name, [])
entry = {}
for child in info.getChildren():
entry[child.getName()] = child.getData()
dict_[name].append(entry)
elif info.getChildren() == []:
dict_[name] = info.getData()
else:
dict_[name] = {}
for child in info.getChildren():
dict_[name][child.getName()] = child.getData()
return cls(data=dict_)
def to_node(self) -> Node:
vcard = Node(tag="vCard", attrs={"xmlns": Namespace.VCARD})
for i in self.data:
if i == "jid":
continue
if isinstance(self.data[i], dict):
child = vcard.addChild(i)
for j in self.data[i]:
child.addChild(j).setData(self.data[i][j])
elif isinstance(self.data[i], list):
for j in self.data[i]:
child = vcard.addChild(i)
for k in j:
child.addChild(k).setData(j[k])
else:
vcard.addChild(i).setData(self.data[i])
return vcard
def set_avatar(self, avatar: bytes, type_: str | None = None) -> None:
encoded_avatar = b64encode(avatar)
if "PHOTO" not in self.data:
self.data["PHOTO"] = {}
self.data["PHOTO"]["BINVAL"] = encoded_avatar
if type_ is not None:
self.data["PHOTO"]["TYPE"] = type_
def get_avatar(self) -> tuple[bytes | None, str | None]:
try:
avatar = self.data["PHOTO"]["BINVAL"]
except Exception:
return None, None
if not avatar:
return None, None
encoded_avatar = b64decode(avatar)
avatar_sha = hashlib.sha1(encoded_avatar).hexdigest()
return encoded_avatar, avatar_sha
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