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Rename various ApplicationServices interested methods (#11915)

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Andrew Morgan 2022-03-03 18:14:09 +00:00 committed by GitHub
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8 changed files with 175 additions and 76 deletions
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1
changelog.d/11915.misc Normal file
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@ -0,0 +1 @@
Simplify the `ApplicationService` class' set of public methods related to interest checking.

133
synapse/appservice/__init__.py
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@ -175,27 +175,14 @@ class ApplicationService:
return namespace.exclusive
return False
async def _matches_user(self, event: EventBase, store: "DataStore") -> bool:
if self.is_interested_in_user(event.sender):
return True
# also check m.room.member state key
if event.type == EventTypes.Member and self.is_interested_in_user(
event.state_key
):
return True
does_match = await self.matches_user_in_member_list(event.room_id, store)
return does_match
@cached(num_args=1, cache_context=True)
async def matches_user_in_member_list(
async def _matches_user_in_member_list(
self,
room_id: str,
store: "DataStore",
cache_context: _CacheContext,
) -> bool:
"""Check if this service is interested a room based upon it's membership
"""Check if this service is interested a room based upon its membership
Args:
room_id: The room to check.
@ -214,47 +201,110 @@ class ApplicationService:
return True
return False
def _matches_room_id(self, event: EventBase) -> bool:
if hasattr(event, "room_id"):
return self.is_interested_in_room(event.room_id)
return False
def is_interested_in_user(
self,
user_id: str,
) -> bool:
"""
Returns whether the application is interested in a given user ID.
async def _matches_aliases(self, event: EventBase, store: "DataStore") -> bool:
alias_list = await store.get_aliases_for_room(event.room_id)
The appservice is considered to be interested in a user if either: the
user ID is in the appservice's user namespace, or if the user is the
appservice's configured sender_localpart.
Args:
user_id: The ID of the user to check.
Returns:
True if the application service is interested in the user, False if not.
"""
return (
# User is the appservice's sender_localpart user
user_id == self.sender
# User is in the appservice's user namespace
or self.is_user_in_namespace(user_id)
)
@cached(num_args=1, cache_context=True)
async def is_interested_in_room(
self,
room_id: str,
store: "DataStore",
cache_context: _CacheContext,
) -> bool:
"""
Returns whether the application service is interested in a given room ID.
The appservice is considered to be interested in the room if either: the ID or one
of the aliases of the room is in the appservice's room ID or alias namespace
respectively, or if one of the members of the room fall into the appservice's user
namespace.
Args:
room_id: The ID of the room to check.
store: The homeserver's datastore class.
Returns:
True if the application service is interested in the room, False if not.
"""
# Check if we have interest in this room ID
if self.is_room_id_in_namespace(room_id):
return True
# likewise with the room's aliases (if it has any)
alias_list = await store.get_aliases_for_room(room_id)
for alias in alias_list:
if self.is_interested_in_alias(alias):
if self.is_room_alias_in_namespace(alias):
return True
return False
# And finally, perform an expensive check on whether any of the
# users in the room match the appservice's user namespace
return await self._matches_user_in_member_list(
room_id, store, on_invalidate=cache_context.invalidate
)
async def is_interested(self, event: EventBase, store: "DataStore") -> bool:
@cached(num_args=1, cache_context=True)
async def is_interested_in_event(
self,
event_id: str,
event: EventBase,
store: "DataStore",
cache_context: _CacheContext,
) -> bool:
"""Check if this service is interested in this event.
Args:
event_id: The ID of the event to check. This is purely used for simplifying the
caching of calls to this method.
event: The event to check.
store: The datastore to query.
Returns:
True if this service would like to know about this event.
True if this service would like to know about this event, otherwise False.
"""
# Do cheap checks first
if self._matches_room_id(event):
# Check if we're interested in this event's sender by namespace (or if they're the
# sender_localpart user)
if self.is_interested_in_user(event.sender):
return True
# This will check the namespaces first before
# checking the store, so should be run before _matches_aliases
if await self._matches_user(event, store):
# additionally, if this is a membership event, perform the same checks on
# the user it references
if event.type == EventTypes.Member and self.is_interested_in_user(
event.state_key
):
return True
# This will check the store, so should be run last
if await self._matches_aliases(event, store):
# This will check the datastore, so should be run last
if await self.is_interested_in_room(
event.room_id, store, on_invalidate=cache_context.invalidate
):
return True
return False
@cached(num_args=1)
@cached(num_args=1, cache_context=True)
async def is_interested_in_presence(
self, user_id: UserID, store: "DataStore"
self, user_id: UserID, store: "DataStore", cache_context: _CacheContext
) -> bool:
"""Check if this service is interested a user's presence
@ -272,20 +322,19 @@ class ApplicationService:
# Then find out if the appservice is interested in any of those rooms
for room_id in room_ids:
if await self.matches_user_in_member_list(room_id, store):
if await self.is_interested_in_room(
room_id, store, on_invalidate=cache_context.invalidate
):
return True
return False
def is_interested_in_user(self, user_id: str) -> bool:
return (
bool(self._matches_regex(ApplicationService.NS_USERS, user_id))
or user_id == self.sender
)
def is_user_in_namespace(self, user_id: str) -> bool:
return bool(self._matches_regex(ApplicationService.NS_USERS, user_id))
def is_interested_in_alias(self, alias: str) -> bool:
def is_room_alias_in_namespace(self, alias: str) -> bool:
return bool(self._matches_regex(ApplicationService.NS_ALIASES, alias))
def is_interested_in_room(self, room_id: str) -> bool:
def is_room_id_in_namespace(self, room_id: str) -> bool:
return bool(self._matches_regex(ApplicationService.NS_ROOMS, room_id))
def is_exclusive_user(self, user_id: str) -> bool:

4
synapse/handlers/appservice.py
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@ -571,7 +571,7 @@ class ApplicationServicesHandler:
room_alias_str = room_alias.to_string()
services = self.store.get_app_services()
alias_query_services = [
s for s in services if (s.is_interested_in_alias(room_alias_str))
s for s in services if (s.is_room_alias_in_namespace(room_alias_str))
]
for alias_service in alias_query_services:
is_known_alias = await self.appservice_api.query_alias(
@ -660,7 +660,7 @@ class ApplicationServicesHandler:
# inside of a list comprehension anymore.
interested_list = []
for s in services:
if await s.is_interested(event, self.store):
if await s.is_interested_in_event(event.event_id, event, self.store):
interested_list.append(s)
return interested_list

6
synapse/handlers/directory.py
View file

@ -119,7 +119,7 @@ class DirectoryHandler:
service = requester.app_service
if service:
if not service.is_interested_in_alias(room_alias_str):
if not service.is_room_alias_in_namespace(room_alias_str):
raise SynapseError(
400,
"This application service has not reserved this kind of alias.",
@ -221,7 +221,7 @@ class DirectoryHandler:
async def delete_appservice_association(
self, service: ApplicationService, room_alias: RoomAlias
) -> None:
if not service.is_interested_in_alias(room_alias.to_string()):
if not service.is_room_alias_in_namespace(room_alias.to_string()):
raise SynapseError(
400,
"This application service has not reserved this kind of alias",
@ -376,7 +376,7 @@ class DirectoryHandler:
# non-exclusive locks on the alias (or there are no interested services)
services = self.store.get_app_services()
interested_services = [
s for s in services if s.is_interested_in_alias(alias.to_string())
s for s in services if s.is_room_alias_in_namespace(alias.to_string())
]
for service in interested_services:

2
synapse/handlers/receipts.py
View file

@ -269,7 +269,7 @@ class ReceiptEventSource(EventSource[int, JsonDict]):
# Then filter down to rooms that the AS can read
events = []
for room_id, event in rooms_to_events.items():
if not await service.matches_user_in_member_list(room_id, self.store):
if not await service.is_interested_in_room(room_id, self.store):
continue
events.append(event)

4
synapse/handlers/typing.py
View file

@ -486,9 +486,7 @@ class TypingNotificationEventSource(EventSource[int, JsonDict]):
if handler._room_serials[room_id] <= from_key:
continue
if not await service.matches_user_in_member_list(
room_id, self._main_store
):
if not await service.is_interested_in_room(room_id, self._main_store):
continue
events.append(self._make_event_for(room_id))

45
tests/appservice/test_appservice.py
View file

@ -36,7 +36,10 @@ class ApplicationServiceTestCase(unittest.TestCase):
hostname="matrix.org", # only used by get_groups_for_user
)
self.event = Mock(
type="m.something", room_id="!foo:bar", sender="@someone:somewhere"
event_id="$abc:xyz",
type="m.something",
room_id="!foo:bar",
sender="@someone:somewhere",
)
self.store = Mock()
@ -50,7 +53,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -62,7 +67,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertFalse(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -76,7 +83,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -90,7 +99,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -104,7 +115,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertFalse(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -121,7 +134,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -174,7 +189,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertFalse(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -191,7 +208,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -207,7 +226,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(self.event, self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)
@ -225,7 +246,9 @@ class ApplicationServiceTestCase(unittest.TestCase):
self.assertTrue(
(
yield defer.ensureDeferred(
self.service.is_interested(event=self.event, store=self.store)
self.service.is_interested_in_event(
self.event.event_id, self.event, self.store
)
)
)
)

56
tests/handlers/test_appservice.py
View file

@ -59,11 +59,11 @@ class AppServiceHandlerTestCase(unittest.TestCase):
self.event_source = hs.get_event_sources()
def test_notify_interested_services(self):
interested_service = self._mkservice(is_interested=True)
interested_service = self._mkservice(is_interested_in_event=True)
services = [
self._mkservice(is_interested=False),
self._mkservice(is_interested_in_event=False),
interested_service,
self._mkservice(is_interested=False),
self._mkservice(is_interested_in_event=False),
]
self.mock_as_api.query_user.return_value = make_awaitable(True)
@ -85,7 +85,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
def test_query_user_exists_unknown_user(self):
user_id = "@someone:anywhere"
services = [self._mkservice(is_interested=True)]
services = [self._mkservice(is_interested_in_event=True)]
services[0].is_interested_in_user.return_value = True
self.mock_store.get_app_services.return_value = services
self.mock_store.get_user_by_id.return_value = make_awaitable(None)
@ -102,7 +102,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
def test_query_user_exists_known_user(self):
user_id = "@someone:anywhere"
services = [self._mkservice(is_interested=True)]
services = [self._mkservice(is_interested_in_event=True)]
services[0].is_interested_in_user.return_value = True
self.mock_store.get_app_services.return_value = services
self.mock_store.get_user_by_id.return_value = make_awaitable({"name": user_id})
@ -127,11 +127,11 @@ class AppServiceHandlerTestCase(unittest.TestCase):
room_id = "!alpha:bet"
servers = ["aperture"]
interested_service = self._mkservice_alias(is_interested_in_alias=True)
interested_service = self._mkservice_alias(is_room_alias_in_namespace=True)
services = [
self._mkservice_alias(is_interested_in_alias=False),
self._mkservice_alias(is_room_alias_in_namespace=False),
interested_service,
self._mkservice_alias(is_interested_in_alias=False),
self._mkservice_alias(is_room_alias_in_namespace=False),
]
self.mock_as_api.query_alias.return_value = make_awaitable(True)
@ -275,7 +275,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
to be pushed out to interested appservices, and that the stream ID is
updated accordingly.
"""
interested_service = self._mkservice(is_interested=True)
interested_service = self._mkservice(is_interested_in_event=True)
services = [interested_service]
self.mock_store.get_app_services.return_value = services
self.mock_store.get_type_stream_id_for_appservice.return_value = make_awaitable(
@ -304,7 +304,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
Test sending out of order ephemeral events to the appservice handler
are ignored.
"""
interested_service = self._mkservice(is_interested=True)
interested_service = self._mkservice(is_interested_in_event=True)
services = [interested_service]
self.mock_store.get_app_services.return_value = services
@ -325,17 +325,45 @@ class AppServiceHandlerTestCase(unittest.TestCase):
interested_service, ephemeral=[]
)
def _mkservice(self, is_interested, protocols=None):
def _mkservice(
self, is_interested_in_event: bool, protocols: Optional[Iterable] = None
) -> Mock:
"""
Create a new mock representing an ApplicationService.
Args:
is_interested_in_event: Whether this application service will be considered
interested in all events.
protocols: The third-party protocols that this application service claims to
support.
Returns:
A mock representing the ApplicationService.
"""
service = Mock()
service.is_interested.return_value = make_awaitable(is_interested)
service.is_interested_in_event.return_value = make_awaitable(
is_interested_in_event
)
service.token = "mock_service_token"
service.url = "mock_service_url"
service.protocols = protocols
return service
def _mkservice_alias(self, is_interested_in_alias):
def _mkservice_alias(self, is_room_alias_in_namespace: bool) -> Mock:
"""
Create a new mock representing an ApplicationService that is or is not interested
any given room aliase.
Args:
is_room_alias_in_namespace: If true, the application service will be interested
in all room aliases that are queried against it. If false, the application
service will not be interested in any room aliases.
Returns:
A mock representing the ApplicationService.
"""
service = Mock()
service.is_interested_in_alias.return_value = is_interested_in_alias
service.is_room_alias_in_namespace.return_value = is_room_alias_in_namespace
service.token = "mock_service_token"
service.url = "mock_service_url"
return service