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synapse.api.auth.Auth cleanup: make permission-related methods use Requester instead of the UserID (#13024)

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Part of #13019

This changes all the permission-related methods to rely on the Requester instead of the UserID. This is a first step towards enabling scoped access tokens at some point, since I expect the Requester to have scope-related informations in it.

It also changes methods which figure out the user/device/appservice out of the access token to return a Requester instead of something else. This avoids having store-related objects in the methods signatures.
This commit is contained in:
Quentin Gliech 2022-08-22 15:17:59 +02:00 committed by GitHub
parent 94375f7a91
commit 3dd175b628
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26 changed files with 202 additions and 207 deletions
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1
changelog.d/13024.misc Normal file
View File

@ -0,0 +1 @@
Refactor methods in `synapse.api.auth.Auth` to use `Requester` objects everywhere instead of user IDs.

174
synapse/api/auth.py
View File

@ -37,8 +37,7 @@ from synapse.logging.opentracing import (
start_active_span,
trace,
)
from synapse.storage.databases.main.registration import TokenLookupResult
from synapse.types import Requester, UserID, create_requester
from synapse.types import Requester, create_requester
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -70,14 +69,14 @@ class Auth:
async def check_user_in_room(
self,
room_id: str,
user_id: str,
requester: Requester,
allow_departed_users: bool = False,
) -> Tuple[str, Optional[str]]:
"""Check if the user is in the room, or was at some point.
Args:
room_id: The room to check.
user_id: The user to check.
requester: The user making the request, according to the access token.
current_state: Optional map of the current state of the room.
If provided then that map is used to check whether they are a
@ -94,6 +93,7 @@ class Auth:
membership event ID of the user.
"""
user_id = requester.user.to_string()
(
membership,
member_event_id,
@ -182,41 +182,19 @@ class Auth:
access_token = self.get_access_token_from_request(request)
(
user_id,
device_id,
app_service,
) = await self._get_appservice_user_id_and_device_id(request)
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,
access_token=access_token,
ip=ip_addr,
user_agent=user_agent,
device_id="dummy-device"
if device_id is None
else device_id, # stubbed
)
requester = create_requester(
user_id, app_service=app_service, device_id=device_id
)
request.requester = user_id
return requester
user_info = await self.get_user_by_access_token(
# First check if it could be a request from an appservice
requester = await self._get_appservice_user(request)
if not requester:
# If not, it should be from a regular user
requester = await self.get_user_by_access_token(
access_token, allow_expired=allow_expired
)
token_id = user_info.token_id
is_guest = user_info.is_guest
shadow_banned = user_info.shadow_banned
# Deny the request if the user account has expired.
# This check is only done for regular users, not appservice ones.
if not allow_expired:
if await self._account_validity_handler.is_user_expired(
user_info.user_id
requester.user.to_string()
):
# Raise the error if either an account validity module has determined
# the account has expired, or the legacy account validity
@ -227,51 +205,46 @@ class Auth:
errcode=Codes.EXPIRED_ACCOUNT,
)
device_id = user_info.device_id
if access_token and ip_addr:
if ip_addr and (
not requester.app_service or self._track_appservice_user_ips
):
# XXX(quenting): I'm 95% confident that we could skip setting the
# device_id to "dummy-device" for appservices, and that the only impact
# would be some rows which whould not deduplicate in the 'user_ips'
# table during the transition
recorded_device_id = (
"dummy-device"
if requester.device_id is None and requester.app_service is not None
else requester.device_id
)
await self.store.insert_client_ip(
user_id=user_info.token_owner,
user_id=requester.authenticated_entity,
access_token=access_token,
ip=ip_addr,
user_agent=user_agent,
device_id=device_id,
device_id=recorded_device_id,
)
# Track also the puppeted user client IP if enabled and the user is puppeting
if (
user_info.user_id != user_info.token_owner
requester.user.to_string() != requester.authenticated_entity
and self._track_puppeted_user_ips
):
await self.store.insert_client_ip(
user_id=user_info.user_id,
user_id=requester.user.to_string(),
access_token=access_token,
ip=ip_addr,
user_agent=user_agent,
device_id=device_id,
device_id=requester.device_id,
)
if is_guest and not allow_guest:
if requester.is_guest and not allow_guest:
raise AuthError(
403,
"Guest access not allowed",
errcode=Codes.GUEST_ACCESS_FORBIDDEN,
)
# Mark the token as used. This is used to invalidate old refresh
# tokens after some time.
if not user_info.token_used and token_id is not None:
await self.store.mark_access_token_as_used(token_id)
requester = create_requester(
user_info.user_id,
token_id,
is_guest,
shadow_banned,
device_id,
app_service=app_service,
authenticated_entity=user_info.token_owner,
)
request.requester = requester
return requester
except KeyError:
@ -308,9 +281,7 @@ class Auth:
403, "Application service has not registered this user (%s)" % user_id
)
async def _get_appservice_user_id_and_device_id(
self, request: Request
) -> Tuple[Optional[str], Optional[str], Optional[ApplicationService]]:
async def _get_appservice_user(self, request: Request) -> Optional[Requester]:
"""
Given a request, reads the request parameters to determine:
- whether it's an application service that's making this request
@ -325,15 +296,13 @@ class Auth:
Must use `org.matrix.msc3202.device_id` in place of `device_id` for now.
Returns:
3-tuple of
(user ID?, device ID?, application service?)
the application service `Requester` of that request
Postconditions:
- If an application service is returned, so is a user ID
- A user ID is never returned without an application service
- A device ID is never returned without a user ID or an application service
- The returned application service, if present, is permitted to control the
returned user ID.
- The `app_service` field in the returned `Requester` is set
- The `user_id` field in the returned `Requester` is either the application
service sender or the controlled user set by the `user_id` URI parameter
- The returned application service is permitted to control the returned user ID.
- The returned device ID, if present, has been checked to be a valid device ID
for the returned user ID.
"""
@ -343,12 +312,12 @@ class Auth:
self.get_access_token_from_request(request)
)
if app_service is None:
return None, None, None
return None
if app_service.ip_range_whitelist:
ip_address = IPAddress(request.getClientAddress().host)
if ip_address not in app_service.ip_range_whitelist:
return None, None, None
return None
# This will always be set by the time Twisted calls us.
assert request.args is not None
@ -382,13 +351,15 @@ class Auth:
Codes.EXCLUSIVE,
)
return effective_user_id, effective_device_id, app_service
return create_requester(
effective_user_id, app_service=app_service, device_id=effective_device_id
)
async def get_user_by_access_token(
self,
token: str,
allow_expired: bool = False,
) -> TokenLookupResult:
) -> Requester:
"""Validate access token and get user_id from it
Args:
@ -405,9 +376,9 @@ class Auth:
# First look in the database to see if the access token is present
# as an opaque token.
r = await self.store.get_user_by_access_token(token)
if r:
valid_until_ms = r.valid_until_ms
user_info = await self.store.get_user_by_access_token(token)
if user_info:
valid_until_ms = user_info.valid_until_ms
if (
not allow_expired
and valid_until_ms is not None
@ -419,7 +390,20 @@ class Auth:
msg="Access token has expired", soft_logout=True
)
return r
# Mark the token as used. This is used to invalidate old refresh
# tokens after some time.
await self.store.mark_access_token_as_used(user_info.token_id)
requester = create_requester(
user_id=user_info.user_id,
access_token_id=user_info.token_id,
is_guest=user_info.is_guest,
shadow_banned=user_info.shadow_banned,
device_id=user_info.device_id,
authenticated_entity=user_info.token_owner,
)
return requester
# If the token isn't found in the database, then it could still be a
# macaroon for a guest, so we check that here.
@ -445,11 +429,12 @@ class Auth:
"Guest access token used for regular user"
)
return TokenLookupResult(
return create_requester(
user_id=user_id,
is_guest=True,
# all guests get the same device id
device_id=GUEST_DEVICE_ID,
authenticated_entity=user_id,
)
except (
pymacaroons.exceptions.MacaroonException,
@ -472,32 +457,33 @@ class Auth:
request.requester = create_requester(service.sender, app_service=service)
return service
async def is_server_admin(self, user: UserID) -> bool:
async def is_server_admin(self, requester: Requester) -> bool:
"""Check if the given user is a local server admin.
Args:
user: user to check
requester: The user making the request, according to the access token.
Returns:
True if the user is an admin
"""
return await self.store.is_server_admin(user)
return await self.store.is_server_admin(requester.user)
async def check_can_change_room_list(self, room_id: str, user: UserID) -> bool:
async def check_can_change_room_list(
self, room_id: str, requester: Requester
) -> bool:
"""Determine whether the user is allowed to edit the room's entry in the
published room list.
Args:
room_id
user
room_id: The room to check.
requester: The user making the request, according to the access token.
"""
is_admin = await self.is_server_admin(user)
is_admin = await self.is_server_admin(requester)
if is_admin:
return True
user_id = user.to_string()
await self.check_user_in_room(room_id, user_id)
await self.check_user_in_room(room_id, requester)
# We currently require the user is a "moderator" in the room. We do this
# by checking if they would (theoretically) be able to change the
@ -516,7 +502,9 @@ class Auth:
send_level = event_auth.get_send_level(
EventTypes.CanonicalAlias, "", power_level_event
)
user_level = event_auth.get_user_power_level(user_id, auth_events)
user_level = event_auth.get_user_power_level(
requester.user.to_string(), auth_events
)
return user_level >= send_level
@ -574,16 +562,16 @@ class Auth:
@trace
async def check_user_in_room_or_world_readable(
self, room_id: str, user_id: str, allow_departed_users: bool = False
self, room_id: str, requester: Requester, allow_departed_users: bool = False
) -> Tuple[str, Optional[str]]:
"""Checks that the user is or was in the room or the room is world
readable. If it isn't then an exception is raised.
Args:
room_id: room to check
user_id: user to check
allow_departed_users: if True, accept users that were previously
members but have now departed
room_id: The room to check.
requester: The user making the request, according to the access token.
allow_departed_users: If True, accept users that were previously
members but have now departed.
Returns:
Resolves to the current membership of the user in the room and the
@ -598,7 +586,7 @@ class Auth:
# * The user is a guest user, and has joined the room
# else it will throw.
return await self.check_user_in_room(
room_id, user_id, allow_departed_users=allow_departed_users
room_id, requester, allow_departed_users=allow_departed_users
)
except AuthError:
visibility = await self._storage_controllers.state.get_current_state_event(
@ -613,6 +601,6 @@ class Auth:
raise UnstableSpecAuthError(
403,
"User %s not in room %s, and room previews are disabled"
% (user_id, room_id),
% (requester.user, room_id),
errcode=Codes.NOT_JOINED,
)

17
synapse/handlers/auth.py
View File

@ -280,7 +280,7 @@ class AuthHandler:
that it isn't stolen by re-authenticating them.
Args:
requester: The user, as given by the access token
requester: The user making the request, according to the access token.
request: The request sent by the client.
@ -1435,20 +1435,25 @@ class AuthHandler:
access_token: access token to be deleted
"""
user_info = await self.auth.get_user_by_access_token(access_token)
token = await self.store.get_user_by_access_token(access_token)
if not token:
# At this point, the token should already have been fetched once by
# the caller, so this should not happen, unless of a race condition
# between two delete requests
raise SynapseError(HTTPStatus.UNAUTHORIZED, "Unrecognised access token")
await self.store.delete_access_token(access_token)
# see if any modules want to know about this
await self.password_auth_provider.on_logged_out(
user_id=user_info.user_id,
device_id=user_info.device_id,
user_id=token.user_id,
device_id=token.device_id,
access_token=access_token,
)
# delete pushers associated with this access token
if user_info.token_id is not None:
if token.token_id is not None:
await self.hs.get_pusherpool().remove_pushers_by_access_token(
user_info.user_id, (user_info.token_id,)
token.user_id, (token.token_id,)
)
async def delete_access_tokens_for_user(

24
synapse/handlers/directory.py
View File

@ -30,7 +30,7 @@ from synapse.api.errors import (
from synapse.appservice import ApplicationService
from synapse.module_api import NOT_SPAM
from synapse.storage.databases.main.directory import RoomAliasMapping
from synapse.types import JsonDict, Requester, RoomAlias, UserID, get_domain_from_id
from synapse.types import JsonDict, Requester, RoomAlias, get_domain_from_id
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -133,7 +133,7 @@ class DirectoryHandler:
else:
# Server admins are not subject to the same constraints as normal
# users when creating an alias (e.g. being in the room).
is_admin = await self.auth.is_server_admin(requester.user)
is_admin = await self.auth.is_server_admin(requester)
if (self.require_membership and check_membership) and not is_admin:
rooms_for_user = await self.store.get_rooms_for_user(user_id)
@ -197,7 +197,7 @@ class DirectoryHandler:
user_id = requester.user.to_string()
try:
can_delete = await self._user_can_delete_alias(room_alias, user_id)
can_delete = await self._user_can_delete_alias(room_alias, requester)
except StoreError as e:
if e.code == 404:
raise NotFoundError("Unknown room alias")
@ -400,7 +400,9 @@ class DirectoryHandler:
# 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) -> bool:
async def _user_can_delete_alias(
self, alias: RoomAlias, requester: Requester
) -> bool:
"""Determine whether a user can delete an alias.
One of the following must be true:
@ -413,7 +415,7 @@ class DirectoryHandler:
"""
creator = await self.store.get_room_alias_creator(alias.to_string())
if creator == user_id:
if creator == requester.user.to_string():
return True
# Resolve the alias to the corresponding room.
@ -422,9 +424,7 @@ class DirectoryHandler:
if not room_id:
return False
return await self.auth.check_can_change_room_list(
room_id, UserID.from_string(user_id)
)
return await self.auth.check_can_change_room_list(room_id, requester)
async def edit_published_room_list(
self, requester: Requester, room_id: str, visibility: str
@ -463,7 +463,7 @@ class DirectoryHandler:
raise SynapseError(400, "Unknown room")
can_change_room_list = await self.auth.check_can_change_room_list(
room_id, requester.user
room_id, requester
)
if not can_change_room_list:
raise AuthError(
@ -528,10 +528,8 @@ class DirectoryHandler:
Get a list of the aliases that currently point to this room on this server
"""
# allow access to server admins and current members of the room
is_admin = await self.auth.is_server_admin(requester.user)
is_admin = await self.auth.is_server_admin(requester)
if not is_admin:
await self.auth.check_user_in_room_or_world_readable(
room_id, requester.user.to_string()
)
await self.auth.check_user_in_room_or_world_readable(room_id, requester)
return await self.store.get_aliases_for_room(room_id)

6
synapse/handlers/initial_sync.py
View File

@ -309,18 +309,18 @@ class InitialSyncHandler:
if blocked:
raise SynapseError(403, "This room has been blocked on this server")
user_id = requester.user.to_string()
(
membership,
member_event_id,
) = await self.auth.check_user_in_room_or_world_readable(
room_id,
user_id,
requester,
allow_departed_users=True,
)
is_peeking = member_event_id is None
user_id = requester.user.to_string()
if membership == Membership.JOIN:
result = await self._room_initial_sync_joined(
user_id, room_id, pagin_config, membership, is_peeking

23
synapse/handlers/message.py
View File

@ -104,7 +104,7 @@ class MessageHandler:
async def get_room_data(
self,
user_id: str,
requester: Requester,
room_id: str,
event_type: str,
state_key: str,
@ -112,7 +112,7 @@ class MessageHandler:
"""Get data from a room.
Args:
user_id
requester: The user who did the request.
room_id
event_type
state_key
@ -125,7 +125,7 @@ class MessageHandler:
membership,
membership_event_id,
) = await self.auth.check_user_in_room_or_world_readable(
room_id, user_id, allow_departed_users=True
room_id, requester, allow_departed_users=True
)
if membership == Membership.JOIN:
@ -161,11 +161,10 @@ class MessageHandler:
async def get_state_events(
self,
user_id: str,
requester: Requester,
room_id: str,
state_filter: Optional[StateFilter] = None,
at_token: Optional[StreamToken] = None,
is_guest: bool = False,
) -> List[dict]:
"""Retrieve all state events for a given room. If the user is
joined to the room then return the current state. If the user has
@ -174,14 +173,13 @@ class MessageHandler:
visible.
Args:
user_id: The user requesting state events.
requester: The user requesting state events.
room_id: The room ID to get all state events from.
state_filter: The state filter used to fetch state from the database.
at_token: the stream token of the at which we are requesting
the stats. If the user is not allowed to view the state as of that
stream token, we raise a 403 SynapseError. If None, returns the current
state based on the current_state_events table.
is_guest: whether this user is a guest
Returns:
A list of dicts representing state events. [{}, {}, {}]
Raises:
@ -191,6 +189,7 @@ class MessageHandler:
members of this room.
"""
state_filter = state_filter or StateFilter.all()
user_id = requester.user.to_string()
if at_token:
last_event_id = (
@ -223,7 +222,7 @@ class MessageHandler:
membership,
membership_event_id,
) = await self.auth.check_user_in_room_or_world_readable(
room_id, user_id, allow_departed_users=True
room_id, requester, allow_departed_users=True
)
if membership == Membership.JOIN:
@ -317,12 +316,11 @@ class MessageHandler:
Returns:
A dict of user_id to profile info
"""
user_id = requester.user.to_string()
if not requester.app_service:
# We check AS auth after fetching the room membership, as it
# requires us to pull out all joined members anyway.
membership, _ = await self.auth.check_user_in_room_or_world_readable(
room_id, user_id, allow_departed_users=True
room_id, requester, allow_departed_users=True
)
if membership != Membership.JOIN:
raise SynapseError(
@ -340,7 +338,10 @@ class MessageHandler:
# If this is an AS, double check that they are allowed to see the members.
# This can either be because the AS user is in the room or because there
# is a user in the room that the AS is "interested in"
if requester.app_service and user_id not in users_with_profile:
if (
requester.app_service
and requester.user.to_string() not in users_with_profile
):
for uid in users_with_profile:
if requester.app_service.is_interested_in_user(uid):
break

2
synapse/handlers/pagination.py
View File

@ -464,7 +464,7 @@ class PaginationHandler:
membership,
member_event_id,
) = await self.auth.check_user_in_room_or_world_readable(
room_id, user_id, allow_departed_users=True
room_id, requester, allow_departed_users=True
)
if pagin_config.direction == "b":

15
synapse/handlers/register.py
View File

@ -29,7 +29,13 @@ from synapse.api.constants import (
JoinRules,
LoginType,
)
from synapse.api.errors import AuthError, Codes, ConsentNotGivenError, SynapseError
from synapse.api.errors import (
AuthError,
Codes,
ConsentNotGivenError,
InvalidClientTokenError,
SynapseError,
)
from synapse.appservice import ApplicationService
from synapse.config.server import is_threepid_reserved
from synapse.http.servlet import assert_params_in_dict
@ -180,10 +186,7 @@ class RegistrationHandler:
)
if guest_access_token:
user_data = await self.auth.get_user_by_access_token(guest_access_token)
if (
not user_data.is_guest
or UserID.from_string(user_data.user_id).localpart != localpart
):
if not user_data.is_guest or user_data.user.localpart != localpart:
raise AuthError(
403,
"Cannot register taken user ID without valid guest "
@ -618,7 +621,7 @@ class RegistrationHandler:
user_id = user.to_string()
service = self.store.get_app_service_by_token(as_token)
if not service:
raise AuthError(403, "Invalid application service token.")
raise InvalidClientTokenError()
if not service.is_interested_in_user(user_id):
raise SynapseError(
400,

2
synapse/handlers/relations.py
View File

@ -103,7 +103,7 @@ class RelationsHandler:
# TODO Properly handle a user leaving a room.
(_, member_event_id) = await self._auth.check_user_in_room_or_world_readable(
room_id, user_id, allow_departed_users=True
room_id, requester, allow_departed_users=True
)
# This gets the original event and checks that a) the event exists and

4
synapse/handlers/room.py
View File

@ -721,7 +721,7 @@ class RoomCreationHandler:
# allow the server notices mxid to create rooms
is_requester_admin = True
else:
is_requester_admin = await self.auth.is_server_admin(requester.user)
is_requester_admin = await self.auth.is_server_admin(requester)
# Let the third party rules modify the room creation config if needed, or abort
# the room creation entirely with an exception.
@ -1279,7 +1279,7 @@ class RoomContextHandler:
"""
user = requester.user
if use_admin_priviledge:
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
before_limit = math.floor(limit / 2.0)
after_limit = limit - before_limit

10
synapse/handlers/room_member.py
View File

@ -179,7 +179,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
"""Try and join a room that this server is not in
Args:
requester
requester: The user making the request, according to the access token.
remote_room_hosts: List of servers that can be used to join via.
room_id: Room that we are trying to join
user: User who is trying to join
@ -744,7 +744,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
is_requester_admin = True
else:
is_requester_admin = await self.auth.is_server_admin(requester.user)
is_requester_admin = await self.auth.is_server_admin(requester)
if not is_requester_admin:
if self.config.server.block_non_admin_invites:
@ -868,7 +868,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
bypass_spam_checker = True
else:
bypass_spam_checker = await self.auth.is_server_admin(requester.user)
bypass_spam_checker = await self.auth.is_server_admin(requester)
inviter = await self._get_inviter(target.to_string(), room_id)
if (
@ -1410,7 +1410,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
ShadowBanError if the requester has been shadow-banned.
"""
if self.config.server.block_non_admin_invites:
is_requester_admin = await self.auth.is_server_admin(requester.user)
is_requester_admin = await self.auth.is_server_admin(requester)
if not is_requester_admin:
raise SynapseError(
403, "Invites have been disabled on this server", Codes.FORBIDDEN
@ -1693,7 +1693,7 @@ class RoomMemberMasterHandler(RoomMemberHandler):
check_complexity
and self.hs.config.server.limit_remote_rooms.admins_can_join
):
check_complexity = not await self.auth.is_server_admin(user)
check_complexity = not await self.store.is_server_admin(user)
if check_complexity:
# Fetch the room complexity

10
synapse/handlers/typing.py
View File

@ -253,12 +253,11 @@ class TypingWriterHandler(FollowerTypingHandler):
self, target_user: UserID, requester: Requester, room_id: str, timeout: int
) -> None:
target_user_id = target_user.to_string()
auth_user_id = requester.user.to_string()
if not self.is_mine_id(target_user_id):
raise SynapseError(400, "User is not hosted on this homeserver")
if target_user_id != auth_user_id:
if target_user != requester.user:
raise AuthError(400, "Cannot set another user's typing state")
if requester.shadow_banned:
@ -266,7 +265,7 @@ class TypingWriterHandler(FollowerTypingHandler):
await self.clock.sleep(random.randint(1, 10))
raise ShadowBanError()
await self.auth.check_user_in_room(room_id, target_user_id)
await self.auth.check_user_in_room(room_id, requester)
logger.debug("%s has started typing in %s", target_user_id, room_id)
@ -289,12 +288,11 @@ class TypingWriterHandler(FollowerTypingHandler):
self, target_user: UserID, requester: Requester, room_id: str
) -> None:
target_user_id = target_user.to_string()
auth_user_id = requester.user.to_string()
if not self.is_mine_id(target_user_id):
raise SynapseError(400, "User is not hosted on this homeserver")
if target_user_id != auth_user_id:
if target_user != requester.user:
raise AuthError(400, "Cannot set another user's typing state")
if requester.shadow_banned:
@ -302,7 +300,7 @@ class TypingWriterHandler(FollowerTypingHandler):
await self.clock.sleep(random.randint(1, 10))
raise ShadowBanError()
await self.auth.check_user_in_room(room_id, target_user_id)
await self.auth.check_user_in_room(room_id, requester)
logger.debug("%s has stopped typing in %s", target_user_id, room_id)

2
synapse/http/site.py
View File

@ -226,7 +226,7 @@ class SynapseRequest(Request):
# If this is a request where the target user doesn't match the user who
# authenticated (e.g. and admin is puppetting a user) then we return both.
if self._requester.user.to_string() != authenticated_entity:
if requester != authenticated_entity:
return requester, authenticated_entity
return requester, None

10
synapse/rest/admin/_base.py
View File

@ -19,7 +19,7 @@ from typing import Iterable, Pattern
from synapse.api.auth import Auth
from synapse.api.errors import AuthError
from synapse.http.site import SynapseRequest
from synapse.types import UserID
from synapse.types import Requester
def admin_patterns(path_regex: str, version: str = "v1") -> Iterable[Pattern]:
@ -48,19 +48,19 @@ async def assert_requester_is_admin(auth: Auth, request: SynapseRequest) -> None
AuthError if the requester is not a server admin
"""
requester = await auth.get_user_by_req(request)
await assert_user_is_admin(auth, requester.user)
await assert_user_is_admin(auth, requester)
async def assert_user_is_admin(auth: Auth, user_id: UserID) -> None:
async def assert_user_is_admin(auth: Auth, requester: Requester) -> None:
"""Verify that the given user is an admin user
Args:
auth: Auth singleton
user_id: user to check
requester: The user making the request, according to the access token.
Raises:
AuthError if the user is not a server admin
"""
is_admin = await auth.is_server_admin(user_id)
is_admin = await auth.is_server_admin(requester)
if not is_admin:
raise AuthError(HTTPStatus.FORBIDDEN, "You are not a server admin")

6
synapse/rest/admin/media.py
View File

@ -54,7 +54,7 @@ class QuarantineMediaInRoom(RestServlet):
self, request: SynapseRequest, room_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
logging.info("Quarantining room: %s", room_id)
@ -81,7 +81,7 @@ class QuarantineMediaByUser(RestServlet):
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
logging.info("Quarantining media by user: %s", user_id)
@ -110,7 +110,7 @@ class QuarantineMediaByID(RestServlet):
self, request: SynapseRequest, server_name: str, media_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
logging.info("Quarantining media by ID: %s/%s", server_name, media_id)

12
synapse/rest/admin/rooms.py
View File

@ -75,7 +75,7 @@ class RoomRestV2Servlet(RestServlet):
) -> Tuple[int, JsonDict]:
requester = await self._auth.get_user_by_req(request)
await assert_user_is_admin(self._auth, requester.user)
await assert_user_is_admin(self._auth, requester)
content = parse_json_object_from_request(request)
@ -327,7 +327,7 @@ class RoomRestServlet(RestServlet):
pagination_handler: "PaginationHandler",
) -> Tuple[int, JsonDict]:
requester = await auth.get_user_by_req(request)
await assert_user_is_admin(auth, requester.user)
await assert_user_is_admin(auth, requester)
content = parse_json_object_from_request(request)
@ -461,7 +461,7 @@ class JoinRoomAliasServlet(ResolveRoomIdMixin, RestServlet):
assert request.args is not None
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
content = parse_json_object_from_request(request)
@ -551,7 +551,7 @@ class MakeRoomAdminRestServlet(ResolveRoomIdMixin, RestServlet):
self, request: SynapseRequest, room_identifier: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
content = parse_json_object_from_request(request, allow_empty_body=True)
room_id, _ = await self.resolve_room_id(room_identifier)
@ -742,7 +742,7 @@ class RoomEventContextServlet(RestServlet):
self, request: SynapseRequest, room_id: str, event_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request, allow_guest=False)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
limit = parse_integer(request, "limit", default=10)
@ -834,7 +834,7 @@ class BlockRoomRestServlet(RestServlet):
self, request: SynapseRequest, room_id: str
) -> Tuple[int, JsonDict]:
requester = await self._auth.get_user_by_req(request)
await assert_user_is_admin(self._auth, requester.user)
await assert_user_is_admin(self._auth, requester)
content = parse_json_object_from_request(request)

15
synapse/rest/admin/users.py
View File

@ -183,7 +183,7 @@ class UserRestServletV2(RestServlet):
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
target_user = UserID.from_string(user_id)
body = parse_json_object_from_request(request)
@ -575,10 +575,9 @@ class WhoisRestServlet(RestServlet):
) -> Tuple[int, JsonDict]:
target_user = UserID.from_string(user_id)
requester = await self.auth.get_user_by_req(request)
auth_user = requester.user
if target_user != auth_user:
await assert_user_is_admin(self.auth, auth_user)
if target_user != requester.user:
await assert_user_is_admin(self.auth, requester)
if not self.is_mine(target_user):
raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only whois a local user")
@ -601,7 +600,7 @@ class DeactivateAccountRestServlet(RestServlet):
self, request: SynapseRequest, target_user_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
if not self.is_mine(UserID.from_string(target_user_id)):
raise SynapseError(
@ -693,7 +692,7 @@ class ResetPasswordRestServlet(RestServlet):
This needs user to have administrator access in Synapse.
"""
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
UserID.from_string(target_user_id)
@ -807,7 +806,7 @@ class UserAdminServlet(RestServlet):
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
auth_user = requester.user
target_user = UserID.from_string(user_id)
@ -921,7 +920,7 @@ class UserTokenRestServlet(RestServlet):
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
await assert_user_is_admin(self.auth, requester)
auth_user = requester.user
if not self.is_mine_id(user_id):

4
synapse/rest/client/profile.py
View File

@ -66,7 +66,7 @@ class ProfileDisplaynameRestServlet(RestServlet):
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request, allow_guest=True)
user = UserID.from_string(user_id)
is_admin = await self.auth.is_server_admin(requester.user)
is_admin = await self.auth.is_server_admin(requester)
content = parse_json_object_from_request(request)
@ -123,7 +123,7 @@ class ProfileAvatarURLRestServlet(RestServlet):
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
user = UserID.from_string(user_id)
is_admin = await self.auth.is_server_admin(requester.user)
is_admin = await self.auth.is_server_admin(requester)
content = parse_json_object_from_request(request)
try:

3
synapse/rest/client/register.py
View File

@ -484,9 +484,6 @@ class RegisterRestServlet(RestServlet):
"Appservice token must be provided when using a type of m.login.application_service",
)
# Verify the AS
self.auth.get_appservice_by_req(request)
# Set the desired user according to the AS API (which uses the
# 'user' key not 'username'). Since this is a new addition, we'll
# fallback to 'username' if they gave one.

13
synapse/rest/client/room.py
View File

@ -229,7 +229,7 @@ class RoomStateEventRestServlet(TransactionRestServlet):
msg_handler = self.message_handler
data = await msg_handler.get_room_data(
user_id=requester.user.to_string(),
requester=requester,
room_id=room_id,
event_type=event_type,
state_key=state_key,
@ -574,7 +574,7 @@ class RoomMemberListRestServlet(RestServlet):
events = await handler.get_state_events(
room_id=room_id,
user_id=requester.user.to_string(),
requester=requester,
at_token=at_token,
state_filter=StateFilter.from_types([(EventTypes.Member, None)]),
)
@ -696,8 +696,7 @@ class RoomStateRestServlet(RestServlet):
# Get all the current state for this room
events = await self.message_handler.get_state_events(
room_id=room_id,
user_id=requester.user.to_string(),
is_guest=requester.is_guest,
requester=requester,
)
return 200, events
@ -755,7 +754,7 @@ class RoomEventServlet(RestServlet):
== "true"
)
if include_unredacted_content and not await self.auth.is_server_admin(
requester.user
requester
):
power_level_event = (
await self._storage_controllers.state.get_current_state_event(
@ -1260,9 +1259,7 @@ class TimestampLookupRestServlet(RestServlet):
self, request: SynapseRequest, room_id: str
) -> Tuple[int, JsonDict]:
requester = await self._auth.get_user_by_req(request)
await self._auth.check_user_in_room_or_world_readable(
room_id, requester.user.to_string()
)
await self._auth.check_user_in_room_or_world_readable(room_id, requester)
timestamp = parse_integer(request, "ts", required=True)
direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"])

2
synapse/server_notices/server_notices_manager.py
View File

@ -244,7 +244,7 @@ class ServerNoticesManager:
assert self.server_notices_mxid is not None
notice_user_data_in_room = await self._message_handler.get_room_data(
self.server_notices_mxid,
create_requester(self.server_notices_mxid),
room_id,
EventTypes.Member,
self.server_notices_mxid,

2
synapse/storage/databases/main/registration.py
View File

@ -69,9 +69,9 @@ class TokenLookupResult:
"""
user_id: str
token_id: int
is_guest: bool = False
shadow_banned: bool = False
token_id: Optional[int] = None
device_id: Optional[str] = None
valid_until_ms: Optional[int] = None
token_owner: str = attr.ib()

8
tests/api/test_auth.py
View File

@ -284,10 +284,13 @@ class AuthTestCase(unittest.HomeserverTestCase):
TokenLookupResult(
user_id="@baldrick:matrix.org",
device_id="device",
token_id=5,
token_owner="@admin:matrix.org",
token_used=True,
)
)
self.store.insert_client_ip = simple_async_mock(None)
self.store.mark_access_token_as_used = simple_async_mock(None)
request = Mock(args={})
request.getClientAddress.return_value.host = "127.0.0.1"
request.args[b"access_token"] = [self.test_token]
@ -301,10 +304,13 @@ class AuthTestCase(unittest.HomeserverTestCase):
TokenLookupResult(
user_id="@baldrick:matrix.org",
device_id="device",
token_id=5,
token_owner="@admin:matrix.org",
token_used=True,
)
)
self.store.insert_client_ip = simple_async_mock(None)
self.store.mark_access_token_as_used = simple_async_mock(None)
request = Mock(args={})
request.getClientAddress.return_value.host = "127.0.0.1"
request.args[b"access_token"] = [self.test_token]
@ -347,7 +353,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
serialized = macaroon.serialize()
user_info = self.get_success(self.auth.get_user_by_access_token(serialized))
self.assertEqual(user_id, user_info.user_id)
self.assertEqual(user_id, user_info.user.to_string())
self.assertTrue(user_info.is_guest)
self.store.get_user_by_id.assert_called_with(user_id)

8
tests/handlers/test_typing.py
View File

@ -25,7 +25,7 @@ from synapse.api.constants import EduTypes
from synapse.api.errors import AuthError
from synapse.federation.transport.server import TransportLayerServer
from synapse.server import HomeServer
from synapse.types import JsonDict, UserID, create_requester
from synapse.types import JsonDict, Requester, UserID, create_requester
from synapse.util import Clock
from tests import unittest
@ -117,8 +117,10 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.room_members = []
async def check_user_in_room(room_id: str, user_id: str) -> None:
if user_id not in [u.to_string() for u in self.room_members]:
async def check_user_in_room(room_id: str, requester: Requester) -> None:
if requester.user.to_string() not in [
u.to_string() for u in self.room_members
]:
raise AuthError(401, "User is not in the room")
return None

4
tests/rest/client/test_retention.py
View File

@ -20,7 +20,7 @@ from synapse.api.constants import EventTypes
from synapse.rest import admin
from synapse.rest.client import login, room
from synapse.server import HomeServer
from synapse.types import JsonDict
from synapse.types import JsonDict, create_requester
from synapse.util import Clock
from synapse.visibility import filter_events_for_client
@ -188,7 +188,7 @@ class RetentionTestCase(unittest.HomeserverTestCase):
message_handler = self.hs.get_message_handler()
create_event = self.get_success(
message_handler.get_room_data(
self.user_id, room_id, EventTypes.Create, state_key=""
create_requester(self.user_id), room_id, EventTypes.Create, state_key=""
)
)

6
tests/rest/client/test_shadow_banned.py
View File

@ -26,7 +26,7 @@ from synapse.rest.client import (
room_upgrade_rest_servlet,
)
from synapse.server import HomeServer
from synapse.types import UserID
from synapse.types import UserID, create_requester
from synapse.util import Clock
from tests import unittest
@ -275,7 +275,7 @@ class ProfileTestCase(_ShadowBannedBase):
message_handler = self.hs.get_message_handler()
event = self.get_success(
message_handler.get_room_data(
self.banned_user_id,
create_requester(self.banned_user_id),
room_id,
"m.room.member",
self.banned_user_id,
@ -310,7 +310,7 @@ class ProfileTestCase(_ShadowBannedBase):
message_handler = self.hs.get_message_handler()
event = self.get_success(
message_handler.get_room_data(
self.banned_user_id,
create_requester(self.banned_user_id),
room_id,
"m.room.member",
self.banned_user_id,