mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-24 09:05:04 +08:00
103 lines
3.0 KiB
Python
103 lines
3.0 KiB
Python
from collections import namedtuple
|
|
|
|
from aiocache import cached
|
|
from aiocqhttp import Event as CQEvent
|
|
|
|
from . import NoneBot
|
|
from .exceptions import CQHttpError
|
|
|
|
PRIVATE_FRIEND = 0x0001
|
|
PRIVATE_GROUP = 0x0002
|
|
PRIVATE_DISCUSS = 0x0004
|
|
PRIVATE_OTHER = 0x0008
|
|
PRIVATE = 0x000F
|
|
DISCUSS = 0x00F0
|
|
GROUP_MEMBER = 0x0100
|
|
GROUP_ADMIN = 0x0200
|
|
GROUP_OWNER = 0x0400
|
|
GROUP = 0x0F00
|
|
SUPERUSER = 0xF000
|
|
EVERYBODY = 0xFFFF
|
|
|
|
IS_NOBODY = 0x0000
|
|
IS_PRIVATE_FRIEND = PRIVATE_FRIEND
|
|
IS_PRIVATE_GROUP = PRIVATE_GROUP
|
|
IS_PRIVATE_DISCUSS = PRIVATE_DISCUSS
|
|
IS_PRIVATE_OTHER = PRIVATE_OTHER
|
|
IS_PRIVATE = PRIVATE
|
|
IS_DISCUSS = DISCUSS
|
|
IS_GROUP_MEMBER = GROUP_MEMBER
|
|
IS_GROUP_ADMIN = GROUP_MEMBER | GROUP_ADMIN
|
|
IS_GROUP_OWNER = GROUP_ADMIN | GROUP_OWNER
|
|
IS_GROUP = GROUP
|
|
IS_SUPERUSER = 0xFFFF
|
|
|
|
_min_event_fields = (
|
|
'self_id',
|
|
'message_type',
|
|
'sub_type',
|
|
'user_id',
|
|
'discuss_id',
|
|
'group_id',
|
|
'anonymous',
|
|
)
|
|
|
|
_MinEvent = namedtuple('MinEvent', _min_event_fields)
|
|
|
|
|
|
async def check_permission(bot: NoneBot, event: CQEvent,
|
|
permission_required: int) -> bool:
|
|
"""
|
|
Check if the event context has the permission required.
|
|
|
|
:param bot: NoneBot instance
|
|
:param event: message event
|
|
:param permission_required: permission required
|
|
:return: the context has the permission
|
|
"""
|
|
min_event_kwargs = {}
|
|
for field in _min_event_fields:
|
|
if field in event:
|
|
min_event_kwargs[field] = event[field]
|
|
else:
|
|
min_event_kwargs[field] = None
|
|
min_event = _MinEvent(**min_event_kwargs)
|
|
return await _check(bot, min_event, permission_required)
|
|
|
|
|
|
@cached(ttl=2 * 60) # cache the result for 2 minute
|
|
async def _check(bot: NoneBot, min_event: _MinEvent,
|
|
permission_required: int) -> bool:
|
|
permission = 0
|
|
if min_event.user_id in bot.config.SUPERUSERS:
|
|
permission |= IS_SUPERUSER
|
|
if min_event.message_type == 'private':
|
|
if min_event.sub_type == 'friend':
|
|
permission |= IS_PRIVATE_FRIEND
|
|
elif min_event.sub_type == 'group':
|
|
permission |= IS_PRIVATE_GROUP
|
|
elif min_event.sub_type == 'discuss':
|
|
permission |= IS_PRIVATE_DISCUSS
|
|
elif min_event.sub_type == 'other':
|
|
permission |= IS_PRIVATE_OTHER
|
|
elif min_event.message_type == 'group':
|
|
permission |= IS_GROUP_MEMBER
|
|
if not min_event.anonymous:
|
|
try:
|
|
member_info = await bot.get_group_member_info(
|
|
self_id=min_event.self_id,
|
|
group_id=min_event.group_id,
|
|
user_id=min_event.user_id,
|
|
no_cache=True)
|
|
if member_info:
|
|
if member_info['role'] == 'owner':
|
|
permission |= IS_GROUP_OWNER
|
|
elif member_info['role'] == 'admin':
|
|
permission |= IS_GROUP_ADMIN
|
|
except CQHttpError:
|
|
pass
|
|
elif min_event.message_type == 'discuss':
|
|
permission |= IS_DISCUSS
|
|
|
|
return bool(permission & permission_required)
|