🐛 fix nested user permission update (#1208)

nonebot/internal/matcher.py

@@ -44,7 +44,7 @@ from nonebot.exception import (
 )
 
 from .rule import Rule
-from .permission import USER, Permission
+from .permission import USER, User, Permission
 from .adapter import Bot, Event, Message, MessageSegment, MessageTemplate
 from .params import (
     Depends,
@@ -635,15 +635,21 @@ class Matcher(metaclass=MatcherMeta):
 
     async def update_type(self, bot: Bot, event: Event) -> str:
         updater = self.__class__._default_type_updater
-        if not updater:
-            return "message"
-        return await updater(bot=bot, event=event, state=self.state, matcher=self)
+        return (
+            await updater(bot=bot, event=event, state=self.state, matcher=self)
+            if updater
+            else "message"
+        )
 
     async def update_permission(self, bot: Bot, event: Event) -> Permission:
-        updater = self.__class__._default_permission_updater
-        if not updater:
-            return USER(event.get_session_id(), perm=self.permission)
-        return await updater(bot=bot, event=event, state=self.state, matcher=self)
+        if updater := self.__class__._default_permission_updater:
+            return await updater(bot=bot, event=event, state=self.state, matcher=self)
+        permission = self.permission
+        if len(permission.checkers) == 1 and isinstance(
+            user_perm := tuple(permission.checkers)[0].call, User
+        ):
+            permission = user_perm.perm
+        return USER(event.get_session_id(), perm=permission)
 
     async def resolve_reject(self):
         handler = current_handler.get()

tests/plugins/matcher/matcher_permission.py

@@ -1,10 +1,14 @@
 from nonebot.matcher import Matcher
-from nonebot.permission import Permission
+from nonebot.permission import USER, Permission
 
 default_permission = Permission()
 
 test_permission_updater = Matcher.new(permission=default_permission)
 
+test_user_permission_updater = Matcher.new(
+    permission=USER("test", perm=default_permission)
+)
+
 test_custom_updater = Matcher.new(permission=default_permission)
 
 

tests/test_matcher.py

@@ -104,6 +104,7 @@ async def test_permission_updater(app: App, load_plugin):
         default_permission,
         test_custom_updater,
         test_permission_updater,
+        test_user_permission_updater,
     )
 
     event = make_fake_event(_session_id="test")()
@@ -119,6 +120,19 @@ async def test_permission_updater(app: App, load_plugin):
         assert checker.users == ("test",)
         assert checker.perm is default_permission
 
+    user_permission = list(test_user_permission_updater.permission.checkers)[0].call
+    assert isinstance(user_permission, User)
+    assert user_permission.perm is default_permission
+    async with app.test_api() as ctx:
+        bot = ctx.create_bot()
+        matcher = test_user_permission_updater()
+        new_perm = await matcher.update_permission(bot, event)
+        assert len(new_perm.checkers) == 1
+        checker = list(new_perm.checkers)[0].call
+        assert isinstance(checker, User)
+        assert checker.users == ("test",)
+        assert checker.perm is default_permission
+
     assert test_custom_updater.permission is default_permission
     async with app.test_api() as ctx:
         bot = ctx.create_bot()

tests/test_permission.py

@@ -1,3 +1,5 @@
+from typing import Tuple
+
 import pytest
 from nonebug import App
 
@@ -145,7 +147,7 @@ async def test_metaevent(
         ("notice", "test", False),
     ],
 )
-async def test_startswith(
+async def test_superuser(
     app: App,
     type: str,
     user_id: str,
@@ -163,3 +165,28 @@ async def test_startswith(
     async with app.test_api() as ctx:
         bot = ctx.create_bot()
         assert await dependent(bot=bot, event=event) == expected
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "session_ids,session_id,expected",
+    [
+        (("user", "foo"), "user", True),
+        (("user", "foo"), "bar", False),
+    ],
+)
+async def test_user(
+    app: App, session_ids: Tuple[str, ...], session_id: str, expected: bool
+):
+    from nonebot.permission import USER, User
+
+    dependent = list(USER(*session_ids).checkers)[0]
+    checker = dependent.call
+
+    assert isinstance(checker, User)
+
+    event = make_fake_event(_session_id=session_id)()
+
+    async with app.test_api() as ctx:
+        bot = ctx.create_bot()
+        assert await dependent(bot=bot, event=event) == expected