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Add missing type hints to handlers and fix a Spam Checker type hint. (#9896)

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The user_may_create_room_alias method on spam checkers
declared the room_alias parameter as a str when in reality it is
passed a RoomAlias object.
This commit is contained in:
Patrick Cloke 2021-04-29 07:17:28 -04:00 committed by GitHub
parent 0085dc5abc
commit bb4b11846f
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8 changed files with 82 additions and 54 deletions
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1
changelog.d/9896.bugfix Normal file
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@ -0,0 +1 @@
Correct the type hint for the `user_may_create_room_alias` method of spam checkers. It is provided a `RoomAlias`, not a `str`.

1
changelog.d/9896.misc Normal file
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@ -0,0 +1 @@
Add type hints to the `synapse.handlers` module.

5
synapse/events/spamcheck.py
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@ -20,6 +20,7 @@ from typing import TYPE_CHECKING, Any, Collection, Dict, List, Optional, Tuple,
from synapse.rest.media.v1._base import FileInfo
from synapse.rest.media.v1.media_storage import ReadableFileWrapper
from synapse.spam_checker_api import RegistrationBehaviour
from synapse.types import RoomAlias
from synapse.util.async_helpers import maybe_awaitable
if TYPE_CHECKING:
@ -113,7 +114,9 @@ class SpamChecker:
return True
async def user_may_create_room_alias(self, userid: str, room_alias: str) -> bool:
async def user_may_create_room_alias(
self, userid: str, room_alias: RoomAlias
) -> bool:
"""Checks if a given user may create a room alias
If this method returns false, the association request will be rejected.

59
synapse/handlers/directory.py
View File

@ -14,7 +14,7 @@
import logging
import string
from typing import Iterable, List, Optional
from typing import TYPE_CHECKING, Iterable, List, Optional
from synapse.api.constants import MAX_ALIAS_LENGTH, EventTypes
from synapse.api.errors import (
@ -27,15 +27,19 @@ from synapse.api.errors import (
SynapseError,
)
from synapse.appservice import ApplicationService
from synapse.types import Requester, RoomAlias, UserID, get_domain_from_id
from synapse.storage.databases.main.directory import RoomAliasMapping
from synapse.types import JsonDict, Requester, RoomAlias, UserID, get_domain_from_id
from ._base import BaseHandler
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class DirectoryHandler(BaseHandler):
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.state = hs.get_state_handler()
@ -60,7 +64,7 @@ class DirectoryHandler(BaseHandler):
room_id: str,
servers: Optional[Iterable[str]] = None,
creator: Optional[str] = None,
):
) -> None:
# general association creation for both human users and app services
for wchar in string.whitespace:
@ -104,8 +108,9 @@ class DirectoryHandler(BaseHandler):
"""
user_id = requester.user.to_string()
room_alias_str = room_alias.to_string()
if len(room_alias.to_string()) > MAX_ALIAS_LENGTH:
if len(room_alias_str) > MAX_ALIAS_LENGTH:
raise SynapseError(
400,
"Can't create aliases longer than %s characters" % MAX_ALIAS_LENGTH,
@ -114,7 +119,7 @@ class DirectoryHandler(BaseHandler):
service = requester.app_service
if service:
if not service.is_interested_in_alias(room_alias.to_string()):
if not service.is_interested_in_alias(room_alias_str):
raise SynapseError(
400,
"This application service has not reserved this kind of alias.",
@ -138,7 +143,7 @@ class DirectoryHandler(BaseHandler):
raise AuthError(403, "This user is not permitted to create this alias")
if not self.config.is_alias_creation_allowed(
user_id, room_id, room_alias.to_string()
user_id, room_id, room_alias_str
):
# Lets just return a generic message, as there may be all sorts of
# reasons why we said no. TODO: Allow configurable error messages
@ -211,7 +216,7 @@ class DirectoryHandler(BaseHandler):
async def delete_appservice_association(
self, service: ApplicationService, room_alias: RoomAlias
):
) -> None:
if not service.is_interested_in_alias(room_alias.to_string()):
raise SynapseError(
400,
@ -220,7 +225,7 @@ class DirectoryHandler(BaseHandler):
)
await self._delete_association(room_alias)
async def _delete_association(self, room_alias: RoomAlias):
async def _delete_association(self, room_alias: RoomAlias) -> str:
if not self.hs.is_mine(room_alias):
raise SynapseError(400, "Room alias must be local")
@ -228,17 +233,19 @@ class DirectoryHandler(BaseHandler):
return room_id
async def get_association(self, room_alias: RoomAlias):
async def get_association(self, room_alias: RoomAlias) -> JsonDict:
room_id = None
if self.hs.is_mine(room_alias):
result = await self.get_association_from_room_alias(room_alias)
result = await self.get_association_from_room_alias(
room_alias
) # type: Optional[RoomAliasMapping]
if result:
room_id = result.room_id
servers = result.servers
else:
try:
result = await self.federation.make_query(
fed_result = await self.federation.make_query(
destination=room_alias.domain,
query_type="directory",
args={"room_alias": room_alias.to_string()},
@ -248,13 +255,13 @@ class DirectoryHandler(BaseHandler):
except CodeMessageException as e:
logging.warning("Error retrieving alias")
if e.code == 404:
result = None
fed_result = None
else:
raise
if result and "room_id" in result and "servers" in result:
room_id = result["room_id"]
servers = result["servers"]
if fed_result and "room_id" in fed_result and "servers" in fed_result:
room_id = fed_result["room_id"]
servers = fed_result["servers"]
if not room_id:
raise SynapseError(
@ -275,7 +282,7 @@ class DirectoryHandler(BaseHandler):
return {"room_id": room_id, "servers": servers}
async def on_directory_query(self, args):
async def on_directory_query(self, args: JsonDict) -> JsonDict:
room_alias = RoomAlias.from_string(args["room_alias"])
if not self.hs.is_mine(room_alias):
raise SynapseError(400, "Room Alias is not hosted on this homeserver")
@ -293,7 +300,7 @@ class DirectoryHandler(BaseHandler):
async def _update_canonical_alias(
self, requester: Requester, user_id: str, room_id: str, room_alias: RoomAlias
):
) -> None:
"""
Send an updated canonical alias event if the removed alias was set as
the canonical alias or listed in the alt_aliases field.
@ -344,7 +351,9 @@ class DirectoryHandler(BaseHandler):
ratelimit=False,
)
async def get_association_from_room_alias(self, room_alias: RoomAlias):
async def get_association_from_room_alias(
self, room_alias: RoomAlias
) -> Optional[RoomAliasMapping]:
result = await self.store.get_association_from_room_alias(room_alias)
if not result:
# Query AS to see if it exists
@ -372,7 +381,7 @@ class DirectoryHandler(BaseHandler):
# either no interested services, or no service with an exclusive lock
return True
async def _user_can_delete_alias(self, alias: RoomAlias, user_id: str):
async def _user_can_delete_alias(self, alias: RoomAlias, user_id: str) -> bool:
"""Determine whether a user can delete an alias.
One of the following must be true:
@ -394,14 +403,13 @@ class DirectoryHandler(BaseHandler):
if not room_id:
return False
res = await self.auth.check_can_change_room_list(
return await self.auth.check_can_change_room_list(
room_id, UserID.from_string(user_id)
)
return res
async def edit_published_room_list(
self, requester: Requester, room_id: str, visibility: str
):
) -> None:
"""Edit the entry of the room in the published room list.
requester
@ -469,7 +477,7 @@ class DirectoryHandler(BaseHandler):
async def edit_published_appservice_room_list(
self, appservice_id: str, network_id: str, room_id: str, visibility: str
):
) -> None:
"""Add or remove a room from the appservice/network specific public
room list.
@ -499,5 +507,4 @@ class DirectoryHandler(BaseHandler):
room_id, requester.user.to_string()
)
aliases = await self.store.get_aliases_for_room(room_id)
return aliases
return await self.store.get_aliases_for_room(room_id)

9
synapse/handlers/identity.py
View File

@ -17,7 +17,7 @@
"""Utilities for interacting with Identity Servers"""
import logging
import urllib.parse
from typing import Awaitable, Callable, Dict, List, Optional, Tuple
from typing import TYPE_CHECKING, Awaitable, Callable, Dict, List, Optional, Tuple
from synapse.api.errors import (
CodeMessageException,
@ -41,13 +41,16 @@ from synapse.util.stringutils import (
from ._base import BaseHandler
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
id_server_scheme = "https://"
class IdentityHandler(BaseHandler):
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
# An HTTP client for contacting trusted URLs.
@ -80,7 +83,7 @@ class IdentityHandler(BaseHandler):
request: SynapseRequest,
medium: str,
address: str,
):
) -> None:
"""Used to ratelimit requests to `/requestToken` by IP and address.
Args:

24
synapse/handlers/message.py
View File

@ -15,7 +15,7 @@
# limitations under the License.
import logging
import random
from typing import TYPE_CHECKING, Dict, List, Optional, Tuple
from typing import TYPE_CHECKING, Any, Dict, List, Mapping, Optional, Tuple
from canonicaljson import encode_canonical_json
@ -66,7 +66,7 @@ logger = logging.getLogger(__name__)
class MessageHandler:
"""Contains some read only APIs to get state about a room"""
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
self.auth = hs.get_auth()
self.clock = hs.get_clock()
self.state = hs.get_state_handler()
@ -91,7 +91,7 @@ class MessageHandler:
room_id: str,
event_type: str,
state_key: str,
) -> dict:
) -> Optional[EventBase]:
"""Get data from a room.
Args:
@ -115,6 +115,10 @@ class MessageHandler:
data = await self.state.get_current_state(room_id, event_type, state_key)
elif membership == Membership.LEAVE:
key = (event_type, state_key)
# If the membership is not JOIN, then the event ID should exist.
assert (
membership_event_id is not None
), "check_user_in_room_or_world_readable returned invalid data"
room_state = await self.state_store.get_state_for_events(
[membership_event_id], StateFilter.from_types([key])
)
@ -186,10 +190,12 @@ class MessageHandler:
event = last_events[0]
if visible_events:
room_state = await self.state_store.get_state_for_events(
room_state_events = await self.state_store.get_state_for_events(
[event.event_id], state_filter=state_filter
)
room_state = room_state[event.event_id]
room_state = room_state_events[
event.event_id
] # type: Mapping[Any, EventBase]
else:
raise AuthError(
403,
@ -210,10 +216,14 @@ class MessageHandler:
)
room_state = await self.store.get_events(state_ids.values())
elif membership == Membership.LEAVE:
room_state = await self.state_store.get_state_for_events(
# If the membership is not JOIN, then the event ID should exist.
assert (
membership_event_id is not None
), "check_user_in_room_or_world_readable returned invalid data"
room_state_events = await self.state_store.get_state_for_events(
[membership_event_id], state_filter=state_filter
)
room_state = room_state[membership_event_id]
room_state = room_state_events[membership_event_id]
now = self.clock.time_msec()
events = await self._event_serializer.serialize_events(

2
synapse/handlers/room_member.py
View File

@ -1044,7 +1044,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
class RoomMemberMasterHandler(RoomMemberHandler):
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.distributor = hs.get_distributor()

35
synapse/handlers/ui_auth/checkers.py
View File

@ -13,7 +13,7 @@
# limitations under the License.
import logging
from typing import Any
from typing import TYPE_CHECKING, Any
from twisted.web.client import PartialDownloadError
@ -22,13 +22,16 @@ from synapse.api.errors import Codes, LoginError, SynapseError
from synapse.config.emailconfig import ThreepidBehaviour
from synapse.util import json_decoder
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class UserInteractiveAuthChecker:
"""Abstract base class for an interactive auth checker"""
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
pass
def is_enabled(self) -> bool:
@ -57,10 +60,10 @@ class UserInteractiveAuthChecker:
class DummyAuthChecker(UserInteractiveAuthChecker):
AUTH_TYPE = LoginType.DUMMY
def is_enabled(self):
def is_enabled(self) -> bool:
return True
async def check_auth(self, authdict, clientip):
async def check_auth(self, authdict: dict, clientip: str) -> Any:
return True
@ -70,24 +73,24 @@ class TermsAuthChecker(UserInteractiveAuthChecker):
def is_enabled(self):
return True
async def check_auth(self, authdict, clientip):
async def check_auth(self, authdict: dict, clientip: str) -> Any:
return True
class RecaptchaAuthChecker(UserInteractiveAuthChecker):
AUTH_TYPE = LoginType.RECAPTCHA
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self._enabled = bool(hs.config.recaptcha_private_key)
self._http_client = hs.get_proxied_http_client()
self._url = hs.config.recaptcha_siteverify_api
self._secret = hs.config.recaptcha_private_key
def is_enabled(self):
def is_enabled(self) -> bool:
return self._enabled
async def check_auth(self, authdict, clientip):
async def check_auth(self, authdict: dict, clientip: str) -> Any:
try:
user_response = authdict["response"]
except KeyError:
@ -132,11 +135,11 @@ class RecaptchaAuthChecker(UserInteractiveAuthChecker):
class _BaseThreepidAuthChecker:
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
self.hs = hs
self.store = hs.get_datastore()
async def _check_threepid(self, medium, authdict):
async def _check_threepid(self, medium: str, authdict: dict) -> dict:
if "threepid_creds" not in authdict:
raise LoginError(400, "Missing threepid_creds", Codes.MISSING_PARAM)
@ -206,31 +209,31 @@ class _BaseThreepidAuthChecker:
class EmailIdentityAuthChecker(UserInteractiveAuthChecker, _BaseThreepidAuthChecker):
AUTH_TYPE = LoginType.EMAIL_IDENTITY
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
UserInteractiveAuthChecker.__init__(self, hs)
_BaseThreepidAuthChecker.__init__(self, hs)
def is_enabled(self):
def is_enabled(self) -> bool:
return self.hs.config.threepid_behaviour_email in (
ThreepidBehaviour.REMOTE,
ThreepidBehaviour.LOCAL,
)
async def check_auth(self, authdict, clientip):
async def check_auth(self, authdict: dict, clientip: str) -> Any:
return await self._check_threepid("email", authdict)
class MsisdnAuthChecker(UserInteractiveAuthChecker, _BaseThreepidAuthChecker):
AUTH_TYPE = LoginType.MSISDN
def __init__(self, hs):
def __init__(self, hs: "HomeServer"):
UserInteractiveAuthChecker.__init__(self, hs)
_BaseThreepidAuthChecker.__init__(self, hs)
def is_enabled(self):
def is_enabled(self) -> bool:
return bool(self.hs.config.account_threepid_delegate_msisdn)
async def check_auth(self, authdict, clientip):
async def check_auth(self, authdict: dict, clientip: str) -> Any:
return await self._check_threepid("msisdn", authdict)