diff options
Diffstat (limited to 'synapse/api')
| -rw-r--r-- | synapse/api/auth.py | 78 | ||||
| -rw-r--r-- | synapse/api/auth_blocking.py | 9 | ||||
| -rw-r--r-- | synapse/api/constants.py | 3 |
3 files changed, 48 insertions, 42 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 2d845d0d5c..efc926d094 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -12,14 +12,13 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging -from typing import List, Optional, Tuple +from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple import pymacaroons from netaddr import IPAddress from twisted.web.server import Request -import synapse.types from synapse import event_auth from synapse.api.auth_blocking import AuthBlocking from synapse.api.constants import EventTypes, HistoryVisibility, Membership @@ -36,11 +35,14 @@ from synapse.http import get_request_user_agent from synapse.http.site import SynapseRequest from synapse.logging import opentracing as opentracing from synapse.storage.databases.main.registration import TokenLookupResult -from synapse.types import StateMap, UserID +from synapse.types import Requester, StateMap, UserID, create_requester from synapse.util.caches.lrucache import LruCache from synapse.util.macaroons import get_value_from_macaroon, satisfy_expiry from synapse.util.metrics import Measure +if TYPE_CHECKING: + from synapse.server import HomeServer + logger = logging.getLogger(__name__) @@ -68,7 +70,7 @@ class Auth: The latter should be moved to synapse.handlers.event_auth.EventAuthHandler. """ - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): self.hs = hs self.clock = hs.get_clock() self.store = hs.get_datastore() @@ -88,13 +90,13 @@ class Auth: async def check_from_context( self, room_version: str, event, context, do_sig_check=True - ): + ) -> None: prev_state_ids = await context.get_prev_state_ids() auth_events_ids = self.compute_auth_events( event, prev_state_ids, for_verification=True ) - auth_events = await self.store.get_events(auth_events_ids) - auth_events = {(e.type, e.state_key): e for e in auth_events.values()} + auth_events_by_id = await self.store.get_events(auth_events_ids) + auth_events = {(e.type, e.state_key): e for e in auth_events_by_id.values()} room_version_obj = KNOWN_ROOM_VERSIONS[room_version] event_auth.check( @@ -151,17 +153,11 @@ class Auth: raise AuthError(403, "User %s not in room %s" % (user_id, room_id)) - async def check_host_in_room(self, room_id, host): + async def check_host_in_room(self, room_id: str, host: str) -> bool: with Measure(self.clock, "check_host_in_room"): - latest_event_ids = await self.store.is_host_joined(room_id, host) - return latest_event_ids - - def can_federate(self, event, auth_events): - creation_event = auth_events.get((EventTypes.Create, "")) + return await self.store.is_host_joined(room_id, host) - return creation_event.content.get("m.federate", True) is True - - def get_public_keys(self, invite_event): + def get_public_keys(self, invite_event: EventBase) -> List[Dict[str, Any]]: return event_auth.get_public_keys(invite_event) async def get_user_by_req( @@ -170,7 +166,7 @@ class Auth: allow_guest: bool = False, rights: str = "access", allow_expired: bool = False, - ) -> synapse.types.Requester: + ) -> Requester: """Get a registered user's ID. Args: @@ -196,7 +192,7 @@ class Auth: access_token = self.get_access_token_from_request(request) user_id, app_service = await self._get_appservice_user_id(request) - if user_id: + if user_id and app_service: if ip_addr and self._track_appservice_user_ips: await self.store.insert_client_ip( user_id=user_id, @@ -206,9 +202,7 @@ class Auth: device_id="dummy-device", # stubbed ) - requester = synapse.types.create_requester( - user_id, app_service=app_service - ) + requester = create_requester(user_id, app_service=app_service) request.requester = user_id opentracing.set_tag("authenticated_entity", user_id) @@ -251,7 +245,7 @@ class Auth: errcode=Codes.GUEST_ACCESS_FORBIDDEN, ) - requester = synapse.types.create_requester( + requester = create_requester( user_info.user_id, token_id, is_guest, @@ -271,7 +265,9 @@ class Auth: except KeyError: raise MissingClientTokenError() - async def _get_appservice_user_id(self, request): + async def _get_appservice_user_id( + self, request: Request + ) -> Tuple[Optional[str], Optional[ApplicationService]]: app_service = self.store.get_app_service_by_token( self.get_access_token_from_request(request) ) @@ -283,6 +279,9 @@ class Auth: if ip_address not in app_service.ip_range_whitelist: return None, None + # This will always be set by the time Twisted calls us. + assert request.args is not None + if b"user_id" not in request.args: return app_service.sender, app_service @@ -387,7 +386,9 @@ class Auth: logger.warning("Invalid macaroon in auth: %s %s", type(e), e) raise InvalidClientTokenError("Invalid macaroon passed.") - def _parse_and_validate_macaroon(self, token, rights="access"): + def _parse_and_validate_macaroon( + self, token: str, rights: str = "access" + ) -> Tuple[str, bool]: """Takes a macaroon and tries to parse and validate it. This is cached if and only if rights == access and there isn't an expiry. @@ -432,15 +433,16 @@ class Auth: return user_id, guest - def validate_macaroon(self, macaroon, type_string, user_id): + def validate_macaroon( + self, macaroon: pymacaroons.Macaroon, type_string: str, user_id: str + ) -> None: """ validate that a Macaroon is understood by and was signed by this server. Args: - macaroon(pymacaroons.Macaroon): The macaroon to validate - type_string(str): The kind of token required (e.g. "access", - "delete_pusher") - user_id (str): The user_id required + macaroon: The macaroon to validate + type_string: The kind of token required (e.g. "access", "delete_pusher") + user_id: The user_id required """ v = pymacaroons.Verifier() @@ -465,9 +467,7 @@ class Auth: if not service: logger.warning("Unrecognised appservice access token.") raise InvalidClientTokenError() - request.requester = synapse.types.create_requester( - service.sender, app_service=service - ) + request.requester = create_requester(service.sender, app_service=service) return service async def is_server_admin(self, user: UserID) -> bool: @@ -519,7 +519,7 @@ class Auth: return auth_ids - async def check_can_change_room_list(self, room_id: str, user: UserID): + async def check_can_change_room_list(self, room_id: str, user: UserID) -> bool: """Determine whether the user is allowed to edit the room's entry in the published room list. @@ -554,11 +554,11 @@ class Auth: return user_level >= send_level @staticmethod - def has_access_token(request: Request): + def has_access_token(request: Request) -> bool: """Checks if the request has an access_token. Returns: - bool: False if no access_token was given, True otherwise. + False if no access_token was given, True otherwise. """ # This will always be set by the time Twisted calls us. assert request.args is not None @@ -568,13 +568,13 @@ class Auth: return bool(query_params) or bool(auth_headers) @staticmethod - def get_access_token_from_request(request: Request): + def get_access_token_from_request(request: Request) -> str: """Extracts the access_token from the request. Args: request: The http request. Returns: - unicode: The access_token + The access_token Raises: MissingClientTokenError: If there isn't a single access_token in the request @@ -649,5 +649,5 @@ class Auth: % (user_id, room_id), ) - def check_auth_blocking(self, *args, **kwargs): - return self._auth_blocking.check_auth_blocking(*args, **kwargs) + async def check_auth_blocking(self, *args, **kwargs) -> None: + await self._auth_blocking.check_auth_blocking(*args, **kwargs) diff --git a/synapse/api/auth_blocking.py b/synapse/api/auth_blocking.py index a8df60cb89..e6bced93d5 100644 --- a/synapse/api/auth_blocking.py +++ b/synapse/api/auth_blocking.py @@ -13,18 +13,21 @@ # limitations under the License. import logging -from typing import Optional +from typing import TYPE_CHECKING, Optional from synapse.api.constants import LimitBlockingTypes, UserTypes from synapse.api.errors import Codes, ResourceLimitError from synapse.config.server import is_threepid_reserved from synapse.types import Requester +if TYPE_CHECKING: + from synapse.server import HomeServer + logger = logging.getLogger(__name__) class AuthBlocking: - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): self.store = hs.get_datastore() self._server_notices_mxid = hs.config.server_notices_mxid @@ -43,7 +46,7 @@ class AuthBlocking: threepid: Optional[dict] = None, user_type: Optional[str] = None, requester: Optional[Requester] = None, - ): + ) -> None: """Checks if the user should be rejected for some external reason, such as monthly active user limiting or global disable flag diff --git a/synapse/api/constants.py b/synapse/api/constants.py index 31a59bceec..936b6534b4 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -17,6 +17,9 @@ """Contains constants from the specification.""" +# the max size of a (canonical-json-encoded) event +MAX_PDU_SIZE = 65536 + # the "depth" field on events is limited to 2**63 - 1 MAX_DEPTH = 2 ** 63 - 1 |