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-rw-r--r--synapse/api/auth.py123
-rw-r--r--synapse/api/auth_blocking.py13
-rw-r--r--synapse/api/filtering.py7
-rw-r--r--synapse/events/builder.py2
-rw-r--r--synapse/handlers/federation.py2
-rw-r--r--synapse/handlers/message.py2
-rw-r--r--synapse/module_api/__init__.py8
-rw-r--r--synapse/push/bulk_push_rule_evaluator.py2
-rw-r--r--synapse/replication/slave/storage/client_ips.py2
-rw-r--r--synapse/rest/client/v1/directory.py2
-rw-r--r--synapse/rest/client/v2_alpha/register.py2
-rw-r--r--synapse/storage/databases/main/client_ips.py5
12 files changed, 78 insertions, 92 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index 2178e623da..d8190f92ab 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -13,12 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-from typing import Optional
+from typing import List, Optional, Tuple
 
 import pymacaroons
 from netaddr import IPAddress
 
-from twisted.internet import defer
 from twisted.web.server import Request
 
 import synapse.types
@@ -80,13 +79,14 @@ class Auth(object):
         self._track_appservice_user_ips = hs.config.track_appservice_user_ips
         self._macaroon_secret_key = hs.config.macaroon_secret_key
 
-    @defer.inlineCallbacks
-    def check_from_context(self, room_version: str, event, context, do_sig_check=True):
-        prev_state_ids = yield defer.ensureDeferred(context.get_prev_state_ids())
-        auth_events_ids = yield self.compute_auth_events(
+    async def check_from_context(
+        self, room_version: str, event, context, do_sig_check=True
+    ):
+        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 = yield self.store.get_events(auth_events_ids)
+        auth_events = await self.store.get_events(auth_events_ids)
         auth_events = {(e.type, e.state_key): e for e in auth_events.values()}
 
         room_version_obj = KNOWN_ROOM_VERSIONS[room_version]
@@ -94,14 +94,13 @@ class Auth(object):
             room_version_obj, event, auth_events=auth_events, do_sig_check=do_sig_check
         )
 
-    @defer.inlineCallbacks
-    def check_user_in_room(
+    async def check_user_in_room(
         self,
         room_id: str,
         user_id: str,
         current_state: Optional[StateMap[EventBase]] = None,
         allow_departed_users: bool = False,
-    ):
+    ) -> EventBase:
         """Check if the user is in the room, or was at some point.
         Args:
             room_id: The room to check.
@@ -119,37 +118,35 @@ class Auth(object):
         Raises:
             AuthError if the user is/was not in the room.
         Returns:
-            Deferred[Optional[EventBase]]:
-                Membership event for the user if the user was in the
-                room. This will be the join event if they are currently joined to
-                the room. This will be the leave event if they have left the room.
+            Membership event for the user if the user was in the
+            room. This will be the join event if they are currently joined to
+            the room. This will be the leave event if they have left the room.
         """
         if current_state:
             member = current_state.get((EventTypes.Member, user_id), None)
         else:
-            member = yield defer.ensureDeferred(
-                self.state.get_current_state(
-                    room_id=room_id, event_type=EventTypes.Member, state_key=user_id
-                )
+            member = await self.state.get_current_state(
+                room_id=room_id, event_type=EventTypes.Member, state_key=user_id
             )
-        membership = member.membership if member else None
 
-        if membership == Membership.JOIN:
-            return member
+        if member:
+            membership = member.membership
 
-        # XXX this looks totally bogus. Why do we not allow users who have been banned,
-        # or those who were members previously and have been re-invited?
-        if allow_departed_users and membership == Membership.LEAVE:
-            forgot = yield self.store.did_forget(user_id, room_id)
-            if not forgot:
+            if membership == Membership.JOIN:
                 return member
 
+            # XXX this looks totally bogus. Why do we not allow users who have been banned,
+            # or those who were members previously and have been re-invited?
+            if allow_departed_users and membership == Membership.LEAVE:
+                forgot = await self.store.did_forget(user_id, room_id)
+                if not forgot:
+                    return member
+
         raise AuthError(403, "User %s not in room %s" % (user_id, room_id))
 
-    @defer.inlineCallbacks
-    def check_host_in_room(self, room_id, host):
+    async def check_host_in_room(self, room_id, host):
         with Measure(self.clock, "check_host_in_room"):
-            latest_event_ids = yield self.store.is_host_joined(room_id, host)
+            latest_event_ids = await self.store.is_host_joined(room_id, host)
             return latest_event_ids
 
     def can_federate(self, event, auth_events):
@@ -160,14 +157,13 @@ class Auth(object):
     def get_public_keys(self, invite_event):
         return event_auth.get_public_keys(invite_event)
 
-    @defer.inlineCallbacks
-    def get_user_by_req(
+    async def get_user_by_req(
         self,
         request: Request,
         allow_guest: bool = False,
         rights: str = "access",
         allow_expired: bool = False,
-    ):
+    ) -> synapse.types.Requester:
         """ Get a registered user's ID.
 
         Args:
@@ -180,7 +176,7 @@ class Auth(object):
                 /login will deliver access tokens regardless of expiration.
 
         Returns:
-            defer.Deferred: resolves to a `synapse.types.Requester` object
+            Resolves to the requester
         Raises:
             InvalidClientCredentialsError if no user by that token exists or the token
                 is invalid.
@@ -194,14 +190,14 @@ class Auth(object):
 
             access_token = self.get_access_token_from_request(request)
 
-            user_id, app_service = yield self._get_appservice_user_id(request)
+            user_id, app_service = await self._get_appservice_user_id(request)
             if user_id:
                 request.authenticated_entity = user_id
                 opentracing.set_tag("authenticated_entity", user_id)
                 opentracing.set_tag("appservice_id", app_service.id)
 
                 if ip_addr and self._track_appservice_user_ips:
-                    yield self.store.insert_client_ip(
+                    await self.store.insert_client_ip(
                         user_id=user_id,
                         access_token=access_token,
                         ip=ip_addr,
@@ -211,7 +207,7 @@ class Auth(object):
 
                 return synapse.types.create_requester(user_id, app_service=app_service)
 
-            user_info = yield self.get_user_by_access_token(
+            user_info = await self.get_user_by_access_token(
                 access_token, rights, allow_expired=allow_expired
             )
             user = user_info["user"]
@@ -221,7 +217,7 @@ class Auth(object):
             # Deny the request if the user account has expired.
             if self._account_validity.enabled and not allow_expired:
                 user_id = user.to_string()
-                expiration_ts = yield self.store.get_expiration_ts_for_user(user_id)
+                expiration_ts = await self.store.get_expiration_ts_for_user(user_id)
                 if (
                     expiration_ts is not None
                     and self.clock.time_msec() >= expiration_ts
@@ -235,7 +231,7 @@ class Auth(object):
             device_id = user_info.get("device_id")
 
             if user and access_token and ip_addr:
-                yield self.store.insert_client_ip(
+                await self.store.insert_client_ip(
                     user_id=user.to_string(),
                     access_token=access_token,
                     ip=ip_addr,
@@ -261,8 +257,7 @@ class Auth(object):
         except KeyError:
             raise MissingClientTokenError()
 
-    @defer.inlineCallbacks
-    def _get_appservice_user_id(self, request):
+    async def _get_appservice_user_id(self, request):
         app_service = self.store.get_app_service_by_token(
             self.get_access_token_from_request(request)
         )
@@ -283,14 +278,13 @@ class Auth(object):
 
         if not app_service.is_interested_in_user(user_id):
             raise AuthError(403, "Application service cannot masquerade as this user.")
-        if not (yield self.store.get_user_by_id(user_id)):
+        if not (await self.store.get_user_by_id(user_id)):
             raise AuthError(403, "Application service has not registered this user")
         return user_id, app_service
 
-    @defer.inlineCallbacks
-    def get_user_by_access_token(
+    async def get_user_by_access_token(
         self, token: str, rights: str = "access", allow_expired: bool = False,
-    ):
+    ) -> dict:
         """ Validate access token and get user_id from it
 
         Args:
@@ -300,7 +294,7 @@ class Auth(object):
             allow_expired: If False, raises an InvalidClientTokenError
                 if the token is expired
         Returns:
-            Deferred[dict]: dict that includes:
+            dict that includes:
                `user` (UserID)
                `is_guest` (bool)
                `token_id` (int|None): access token id. May be None if guest
@@ -314,7 +308,7 @@ class Auth(object):
 
         if rights == "access":
             # first look in the database
-            r = yield self._look_up_user_by_access_token(token)
+            r = await self._look_up_user_by_access_token(token)
             if r:
                 valid_until_ms = r["valid_until_ms"]
                 if (
@@ -352,7 +346,7 @@ class Auth(object):
                 # It would of course be much easier to store guest access
                 # tokens in the database as well, but that would break existing
                 # guest tokens.
-                stored_user = yield self.store.get_user_by_id(user_id)
+                stored_user = await self.store.get_user_by_id(user_id)
                 if not stored_user:
                     raise InvalidClientTokenError("Unknown user_id %s" % user_id)
                 if not stored_user["is_guest"]:
@@ -482,9 +476,8 @@ class Auth(object):
         now = self.hs.get_clock().time_msec()
         return now < expiry
 
-    @defer.inlineCallbacks
-    def _look_up_user_by_access_token(self, token):
-        ret = yield self.store.get_user_by_access_token(token)
+    async def _look_up_user_by_access_token(self, token):
+        ret = await self.store.get_user_by_access_token(token)
         if not ret:
             return None
 
@@ -507,7 +500,7 @@ class Auth(object):
             logger.warning("Unrecognised appservice access token.")
             raise InvalidClientTokenError()
         request.authenticated_entity = service.sender
-        return defer.succeed(service)
+        return service
 
     async def is_server_admin(self, user: UserID) -> bool:
         """ Check if the given user is a local server admin.
@@ -522,7 +515,7 @@ class Auth(object):
 
     def compute_auth_events(
         self, event, current_state_ids: StateMap[str], for_verification: bool = False,
-    ):
+    ) -> List[str]:
         """Given an event and current state return the list of event IDs used
         to auth an event.
 
@@ -530,11 +523,11 @@ class Auth(object):
         should be added to the event's `auth_events`.
 
         Returns:
-            defer.Deferred(list[str]): List of event IDs.
+            List of event IDs.
         """
 
         if event.type == EventTypes.Create:
-            return defer.succeed([])
+            return []
 
         # Currently we ignore the `for_verification` flag even though there are
         # some situations where we can drop particular auth events when adding
@@ -553,7 +546,7 @@ class Auth(object):
             if auth_ev_id:
                 auth_ids.append(auth_ev_id)
 
-        return defer.succeed(auth_ids)
+        return auth_ids
 
     async def check_can_change_room_list(self, room_id: str, user: UserID):
         """Determine whether the user is allowed to edit the room's entry in the
@@ -636,10 +629,9 @@ class Auth(object):
 
             return query_params[0].decode("ascii")
 
-    @defer.inlineCallbacks
-    def check_user_in_room_or_world_readable(
+    async def check_user_in_room_or_world_readable(
         self, room_id: str, user_id: str, 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.
 
@@ -650,10 +642,9 @@ class Auth(object):
                 members but have now departed
 
         Returns:
-            Deferred[tuple[str, str|None]]: Resolves to the current membership of
-                the user in the room and the membership event ID of the user. If
-                the user is not in the room and never has been, then
-                `(Membership.JOIN, None)` is returned.
+            Resolves to the current membership of the user in the room and the
+            membership event ID of the user. If the user is not in the room and
+            never has been, then `(Membership.JOIN, None)` is returned.
         """
 
         try:
@@ -662,15 +653,13 @@ class Auth(object):
             #  * The user is a non-guest user, and was ever in the room
             #  * The user is a guest user, and has joined the room
             # else it will throw.
-            member_event = yield self.check_user_in_room(
+            member_event = await self.check_user_in_room(
                 room_id, user_id, allow_departed_users=allow_departed_users
             )
             return member_event.membership, member_event.event_id
         except AuthError:
-            visibility = yield defer.ensureDeferred(
-                self.state.get_current_state(
-                    room_id, EventTypes.RoomHistoryVisibility, ""
-                )
+            visibility = await self.state.get_current_state(
+                room_id, EventTypes.RoomHistoryVisibility, ""
             )
             if (
                 visibility
diff --git a/synapse/api/auth_blocking.py b/synapse/api/auth_blocking.py
index 5c499b6b4e..49093bf181 100644
--- a/synapse/api/auth_blocking.py
+++ b/synapse/api/auth_blocking.py
@@ -15,8 +15,6 @@
 
 import logging
 
-from twisted.internet import defer
-
 from synapse.api.constants import LimitBlockingTypes, UserTypes
 from synapse.api.errors import Codes, ResourceLimitError
 from synapse.config.server import is_threepid_reserved
@@ -36,8 +34,7 @@ class AuthBlocking(object):
         self._limit_usage_by_mau = hs.config.limit_usage_by_mau
         self._mau_limits_reserved_threepids = hs.config.mau_limits_reserved_threepids
 
-    @defer.inlineCallbacks
-    def check_auth_blocking(self, user_id=None, threepid=None, user_type=None):
+    async def check_auth_blocking(self, user_id=None, threepid=None, user_type=None):
         """Checks if the user should be rejected for some external reason,
         such as monthly active user limiting or global disable flag
 
@@ -60,7 +57,7 @@ class AuthBlocking(object):
         if user_id is not None:
             if user_id == self._server_notices_mxid:
                 return
-            if (yield self.store.is_support_user(user_id)):
+            if await self.store.is_support_user(user_id):
                 return
 
         if self._hs_disabled:
@@ -76,11 +73,11 @@ class AuthBlocking(object):
 
             # If the user is already part of the MAU cohort or a trial user
             if user_id:
-                timestamp = yield self.store.user_last_seen_monthly_active(user_id)
+                timestamp = await self.store.user_last_seen_monthly_active(user_id)
                 if timestamp:
                     return
 
-                is_trial = yield self.store.is_trial_user(user_id)
+                is_trial = await self.store.is_trial_user(user_id)
                 if is_trial:
                     return
             elif threepid:
@@ -93,7 +90,7 @@ class AuthBlocking(object):
                 # allow registration. Support users are excluded from MAU checks.
                 return
             # Else if there is no room in the MAU bucket, bail
-            current_mau = yield self.store.get_monthly_active_count()
+            current_mau = await self.store.get_monthly_active_count()
             if current_mau >= self._max_mau_value:
                 raise ResourceLimitError(
                     403,
diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py
index f988f62a1e..7393d6cb74 100644
--- a/synapse/api/filtering.py
+++ b/synapse/api/filtering.py
@@ -21,8 +21,6 @@ import jsonschema
 from canonicaljson import json
 from jsonschema import FormatChecker
 
-from twisted.internet import defer
-
 from synapse.api.constants import EventContentFields
 from synapse.api.errors import SynapseError
 from synapse.storage.presence import UserPresenceState
@@ -137,9 +135,8 @@ class Filtering(object):
         super(Filtering, self).__init__()
         self.store = hs.get_datastore()
 
-    @defer.inlineCallbacks
-    def get_user_filter(self, user_localpart, filter_id):
-        result = yield self.store.get_user_filter(user_localpart, filter_id)
+    async def get_user_filter(self, user_localpart, filter_id):
+        result = await self.store.get_user_filter(user_localpart, filter_id)
         return FilterCollection(result)
 
     def add_user_filter(self, user_localpart, user_filter):
diff --git a/synapse/events/builder.py b/synapse/events/builder.py
index 69b53ca2bc..4e179d49b3 100644
--- a/synapse/events/builder.py
+++ b/synapse/events/builder.py
@@ -106,7 +106,7 @@ class EventBuilder(object):
         state_ids = await self._state.get_current_state_ids(
             self.room_id, prev_event_ids
         )
-        auth_ids = await self._auth.compute_auth_events(self, state_ids)
+        auth_ids = self._auth.compute_auth_events(self, state_ids)
 
         format_version = self.room_version.event_format
         if format_version == EventFormatVersions.V1:
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index b3764dedae..593932adb7 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -2064,7 +2064,7 @@ class FederationHandler(BaseHandler):
 
         if not auth_events:
             prev_state_ids = await context.get_prev_state_ids()
-            auth_events_ids = await self.auth.compute_auth_events(
+            auth_events_ids = self.auth.compute_auth_events(
                 event, prev_state_ids, for_verification=True
             )
             auth_events_x = await self.store.get_events(auth_events_ids)
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 43901d0934..708533d4d1 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -1061,7 +1061,7 @@ class EventCreationHandler(object):
                     raise SynapseError(400, "Cannot redact event from a different room")
 
             prev_state_ids = await context.get_prev_state_ids()
-            auth_events_ids = await self.auth.compute_auth_events(
+            auth_events_ids = self.auth.compute_auth_events(
                 event, prev_state_ids, for_verification=True
             )
             auth_events = await self.store.get_events(auth_events_ids)
diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py
index 8201849951..c2fb757d9a 100644
--- a/synapse/module_api/__init__.py
+++ b/synapse/module_api/__init__.py
@@ -194,12 +194,16 @@ class ModuleApi(object):
             synapse.api.errors.AuthError: the access token is invalid
         """
         # see if the access token corresponds to a device
-        user_info = yield self._auth.get_user_by_access_token(access_token)
+        user_info = yield defer.ensureDeferred(
+            self._auth.get_user_by_access_token(access_token)
+        )
         device_id = user_info.get("device_id")
         user_id = user_info["user"].to_string()
         if device_id:
             # delete the device, which will also delete its access tokens
-            yield self._hs.get_device_handler().delete_device(user_id, device_id)
+            yield defer.ensureDeferred(
+                self._hs.get_device_handler().delete_device(user_id, device_id)
+            )
         else:
             # no associated device. Just delete the access token.
             yield defer.ensureDeferred(
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index 04b9d8ac82..e7fcee0e87 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -120,7 +120,7 @@ class BulkPushRuleEvaluator(object):
             pl_event = await self.store.get_event(pl_event_id)
             auth_events = {POWER_KEY: pl_event}
         else:
-            auth_events_ids = await self.auth.compute_auth_events(
+            auth_events_ids = self.auth.compute_auth_events(
                 event, prev_state_ids, for_verification=False
             )
             auth_events = await self.store.get_events(auth_events_ids)
diff --git a/synapse/replication/slave/storage/client_ips.py b/synapse/replication/slave/storage/client_ips.py
index 60dd3f6701..a6fdedde63 100644
--- a/synapse/replication/slave/storage/client_ips.py
+++ b/synapse/replication/slave/storage/client_ips.py
@@ -28,7 +28,7 @@ class SlavedClientIpStore(BaseSlavedStore):
             name="client_ip_last_seen", keylen=4, max_entries=50000
         )
 
-    def insert_client_ip(self, user_id, access_token, ip, user_agent, device_id):
+    async def insert_client_ip(self, user_id, access_token, ip, user_agent, device_id):
         now = int(self._clock.time_msec())
         key = (user_id, access_token, ip)
 
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index 5934b1fe8b..b210015173 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -89,7 +89,7 @@ class ClientDirectoryServer(RestServlet):
         dir_handler = self.handlers.directory_handler
 
         try:
-            service = await self.auth.get_appservice_by_req(request)
+            service = self.auth.get_appservice_by_req(request)
             room_alias = RoomAlias.from_string(room_alias)
             await dir_handler.delete_appservice_association(service, room_alias)
             logger.info(
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index a4c079196d..c549c090b3 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -424,7 +424,7 @@ class RegisterRestServlet(RestServlet):
 
         appservice = None
         if self.auth.has_access_token(request):
-            appservice = await self.auth.get_appservice_by_req(request)
+            appservice = self.auth.get_appservice_by_req(request)
 
         # fork off as soon as possible for ASes which have completely
         # different registration flows to normal users
diff --git a/synapse/storage/databases/main/client_ips.py b/synapse/storage/databases/main/client_ips.py
index 712c8d0264..50d71f5ebc 100644
--- a/synapse/storage/databases/main/client_ips.py
+++ b/synapse/storage/databases/main/client_ips.py
@@ -380,8 +380,7 @@ class ClientIpStore(ClientIpBackgroundUpdateStore):
         if self.user_ips_max_age:
             self._clock.looping_call(self._prune_old_user_ips, 5 * 1000)
 
-    @defer.inlineCallbacks
-    def insert_client_ip(
+    async def insert_client_ip(
         self, user_id, access_token, ip, user_agent, device_id, now=None
     ):
         if not now:
@@ -392,7 +391,7 @@ class ClientIpStore(ClientIpBackgroundUpdateStore):
             last_seen = self.client_ip_last_seen.get(key)
         except KeyError:
             last_seen = None
-        yield self.populate_monthly_active_users(user_id)
+        await self.populate_monthly_active_users(user_id)
         # Rate-limited inserts
         if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
             return