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Add typing information to federation_server. (#7219)

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Patrick Cloke 2020-04-07 15:03:23 -04:00 committed by GitHub
parent ec5ac8e2b1
commit d78cb31588
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3 changed files with 108 additions and 65 deletions
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changelog.d/7219.misc Normal file
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@ -0,0 +1 @@
Add typing information to federation server code.

171
synapse/federation/federation_server.py
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@ -15,7 +15,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from typing import Dict
from typing import Any, Callable, Dict, List, Match, Optional, Tuple, Union
import six
from six import iteritems
@ -38,6 +38,7 @@ from synapse.api.errors import (
UnsupportedRoomVersionError,
)
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
from synapse.events import EventBase
from synapse.federation.federation_base import FederationBase, event_from_pdu_json
from synapse.federation.persistence import TransactionActions
from synapse.federation.units import Edu, Transaction
@ -94,7 +95,9 @@ class FederationServer(FederationBase):
# come in waves.
self._state_resp_cache = ResponseCache(hs, "state_resp", timeout_ms=30000)
async def on_backfill_request(self, origin, room_id, versions, limit):
async def on_backfill_request(
self, origin: str, room_id: str, versions: List[str], limit: int
) -> Tuple[int, Dict[str, Any]]:
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
@ -107,23 +110,25 @@ class FederationServer(FederationBase):
return 200, res
async def on_incoming_transaction(self, origin, transaction_data):
async def on_incoming_transaction(
self, origin: str, transaction_data: JsonDict
) -> Tuple[int, Dict[str, Any]]:
# keep this as early as possible to make the calculated origin ts as
# accurate as possible.
request_time = self._clock.time_msec()
transaction = Transaction(**transaction_data)
if not transaction.transaction_id:
if not transaction.transaction_id: # type: ignore
raise Exception("Transaction missing transaction_id")
logger.debug("[%s] Got transaction", transaction.transaction_id)
logger.debug("[%s] Got transaction", transaction.transaction_id) # type: ignore
# use a linearizer to ensure that we don't process the same transaction
# multiple times in parallel.
with (
await self._transaction_linearizer.queue(
(origin, transaction.transaction_id)
(origin, transaction.transaction_id) # type: ignore
)
):
result = await self._handle_incoming_transaction(
@ -132,31 +137,33 @@ class FederationServer(FederationBase):
return result
async def _handle_incoming_transaction(self, origin, transaction, request_time):
async def _handle_incoming_transaction(
self, origin: str, transaction: Transaction, request_time: int
) -> Tuple[int, Dict[str, Any]]:
""" Process an incoming transaction and return the HTTP response
Args:
origin (unicode): the server making the request
transaction (Transaction): incoming transaction
request_time (int): timestamp that the HTTP request arrived at
origin: the server making the request
transaction: incoming transaction
request_time: timestamp that the HTTP request arrived at
Returns:
Deferred[(int, object)]: http response code and body
HTTP response code and body
"""
response = await self.transaction_actions.have_responded(origin, transaction)
if response:
logger.debug(
"[%s] We've already responded to this request",
transaction.transaction_id,
transaction.transaction_id, # type: ignore
)
return response
logger.debug("[%s] Transaction is new", transaction.transaction_id)
logger.debug("[%s] Transaction is new", transaction.transaction_id) # type: ignore
# Reject if PDU count > 50 or EDU count > 100
if len(transaction.pdus) > 50 or (
hasattr(transaction, "edus") and len(transaction.edus) > 100
if len(transaction.pdus) > 50 or ( # type: ignore
hasattr(transaction, "edus") and len(transaction.edus) > 100 # type: ignore
):
logger.info("Transaction PDU or EDU count too large. Returning 400")
@ -204,13 +211,13 @@ class FederationServer(FederationBase):
report back to the sending server.
"""
received_pdus_counter.inc(len(transaction.pdus))
received_pdus_counter.inc(len(transaction.pdus)) # type: ignore
origin_host, _ = parse_server_name(origin)
pdus_by_room = {}
pdus_by_room = {} # type: Dict[str, List[EventBase]]
for p in transaction.pdus:
for p in transaction.pdus: # type: ignore
if "unsigned" in p:
unsigned = p["unsigned"]
if "age" in unsigned:
@ -254,7 +261,7 @@ class FederationServer(FederationBase):
# require callouts to other servers to fetch missing events), but
# impose a limit to avoid going too crazy with ram/cpu.
async def process_pdus_for_room(room_id):
async def process_pdus_for_room(room_id: str):
logger.debug("Processing PDUs for %s", room_id)
try:
await self.check_server_matches_acl(origin_host, room_id)
@ -310,7 +317,9 @@ class FederationServer(FederationBase):
TRANSACTION_CONCURRENCY_LIMIT,
)
async def on_context_state_request(self, origin, room_id, event_id):
async def on_context_state_request(
self, origin: str, room_id: str, event_id: str
) -> Tuple[int, Dict[str, Any]]:
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
@ -338,7 +347,9 @@ class FederationServer(FederationBase):
return 200, resp
async def on_state_ids_request(self, origin, room_id, event_id):
async def on_state_ids_request(
self, origin: str, room_id: str, event_id: str
) -> Tuple[int, Dict[str, Any]]:
if not event_id:
raise NotImplementedError("Specify an event")
@ -354,7 +365,9 @@ class FederationServer(FederationBase):
return 200, {"pdu_ids": state_ids, "auth_chain_ids": auth_chain_ids}
async def _on_context_state_request_compute(self, room_id, event_id):
async def _on_context_state_request_compute(
self, room_id: str, event_id: str
) -> Dict[str, list]:
if event_id:
pdus = await self.handler.get_state_for_pdu(room_id, event_id)
else:
@ -367,7 +380,9 @@ class FederationServer(FederationBase):
"auth_chain": [pdu.get_pdu_json() for pdu in auth_chain],
}
async def on_pdu_request(self, origin, event_id):
async def on_pdu_request(
self, origin: str, event_id: str
) -> Tuple[int, Union[JsonDict, str]]:
pdu = await self.handler.get_persisted_pdu(origin, event_id)
if pdu:
@ -375,12 +390,16 @@ class FederationServer(FederationBase):
else:
return 404, ""
async def on_query_request(self, query_type, args):
async def on_query_request(
self, query_type: str, args: Dict[str, str]
) -> Tuple[int, Dict[str, Any]]:
received_queries_counter.labels(query_type).inc()
resp = await self.registry.on_query(query_type, args)
return 200, resp
async def on_make_join_request(self, origin, room_id, user_id, supported_versions):
async def on_make_join_request(
self, origin: str, room_id: str, user_id: str, supported_versions: List[str]
) -> Dict[str, Any]:
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
@ -397,7 +416,7 @@ class FederationServer(FederationBase):
async def on_invite_request(
self, origin: str, content: JsonDict, room_version_id: str
):
) -> Dict[str, Any]:
room_version = KNOWN_ROOM_VERSIONS.get(room_version_id)
if not room_version:
raise SynapseError(
@ -414,7 +433,9 @@ class FederationServer(FederationBase):
time_now = self._clock.time_msec()
return {"event": ret_pdu.get_pdu_json(time_now)}
async def on_send_join_request(self, origin, content, room_id):
async def on_send_join_request(
self, origin: str, content: JsonDict, room_id: str
) -> Dict[str, Any]:
logger.debug("on_send_join_request: content: %s", content)
room_version = await self.store.get_room_version(room_id)
@ -434,7 +455,9 @@ class FederationServer(FederationBase):
"auth_chain": [p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]],
}
async def on_make_leave_request(self, origin, room_id, user_id):
async def on_make_leave_request(
self, origin: str, room_id: str, user_id: str
) -> Dict[str, Any]:
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
pdu = await self.handler.on_make_leave_request(origin, room_id, user_id)
@ -444,7 +467,9 @@ class FederationServer(FederationBase):
time_now = self._clock.time_msec()
return {"event": pdu.get_pdu_json(time_now), "room_version": room_version}
async def on_send_leave_request(self, origin, content, room_id):
async def on_send_leave_request(
self, origin: str, content: JsonDict, room_id: str
) -> dict:
logger.debug("on_send_leave_request: content: %s", content)
room_version = await self.store.get_room_version(room_id)
@ -460,7 +485,9 @@ class FederationServer(FederationBase):
await self.handler.on_send_leave_request(origin, pdu)
return {}
async def on_event_auth(self, origin, room_id, event_id):
async def on_event_auth(
self, origin: str, room_id: str, event_id: str
) -> Tuple[int, Dict[str, Any]]:
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
@ -471,15 +498,21 @@ class FederationServer(FederationBase):
return 200, res
@log_function
def on_query_client_keys(self, origin, content):
return self.on_query_request("client_keys", content)
async def on_query_client_keys(
self, origin: str, content: Dict[str, str]
) -> Tuple[int, Dict[str, Any]]:
return await self.on_query_request("client_keys", content)
async def on_query_user_devices(self, origin: str, user_id: str):
async def on_query_user_devices(
self, origin: str, user_id: str
) -> Tuple[int, Dict[str, Any]]:
keys = await self.device_handler.on_federation_query_user_devices(user_id)
return 200, keys
@trace
async def on_claim_client_keys(self, origin, content):
async def on_claim_client_keys(
self, origin: str, content: JsonDict
) -> Dict[str, Any]:
query = []
for user_id, device_keys in content.get("one_time_keys", {}).items():
for device_id, algorithm in device_keys.items():
@ -488,7 +521,7 @@ class FederationServer(FederationBase):
log_kv({"message": "Claiming one time keys.", "user, device pairs": query})
results = await self.store.claim_e2e_one_time_keys(query)
json_result = {}
json_result = {} # type: Dict[str, Dict[str, dict]]
for user_id, device_keys in results.items():
for device_id, keys in device_keys.items():
for key_id, json_bytes in keys.items():
@ -511,8 +544,13 @@ class FederationServer(FederationBase):
return {"one_time_keys": json_result}
async def on_get_missing_events(
self, origin, room_id, earliest_events, latest_events, limit
):
self,
origin: str,
room_id: str,
earliest_events: List[str],
latest_events: List[str],
limit: int,
) -> Dict[str, list]:
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
await self.check_server_matches_acl(origin_host, room_id)
@ -541,11 +579,11 @@ class FederationServer(FederationBase):
return {"events": [ev.get_pdu_json(time_now) for ev in missing_events]}
@log_function
def on_openid_userinfo(self, token):
async def on_openid_userinfo(self, token: str) -> Optional[str]:
ts_now_ms = self._clock.time_msec()
return self.store.get_user_id_for_open_id_token(token, ts_now_ms)
return await self.store.get_user_id_for_open_id_token(token, ts_now_ms)
def _transaction_from_pdus(self, pdu_list):
def _transaction_from_pdus(self, pdu_list: List[EventBase]) -> Transaction:
"""Returns a new Transaction containing the given PDUs suitable for
transmission.
"""
@ -558,7 +596,7 @@ class FederationServer(FederationBase):
destination=None,
)
async def _handle_received_pdu(self, origin, pdu):
async def _handle_received_pdu(self, origin: str, pdu: EventBase) -> None:
""" Process a PDU received in a federation /send/ transaction.
If the event is invalid, then this method throws a FederationError.
@ -579,10 +617,8 @@ class FederationServer(FederationBase):
until we try to backfill across the discontinuity.
Args:
origin (str): server which sent the pdu
pdu (FrozenEvent): received pdu
Returns (Deferred): completes with None
origin: server which sent the pdu
pdu: received pdu
Raises: FederationError if the signatures / hash do not match, or
if the event was unacceptable for any other reason (eg, too large,
@ -625,25 +661,27 @@ class FederationServer(FederationBase):
return "<ReplicationLayer(%s)>" % self.server_name
async def exchange_third_party_invite(
self, sender_user_id, target_user_id, room_id, signed
self, sender_user_id: str, target_user_id: str, room_id: str, signed: Dict
):
ret = await self.handler.exchange_third_party_invite(
sender_user_id, target_user_id, room_id, signed
)
return ret
async def on_exchange_third_party_invite_request(self, room_id, event_dict):
async def on_exchange_third_party_invite_request(
self, room_id: str, event_dict: Dict
):
ret = await self.handler.on_exchange_third_party_invite_request(
room_id, event_dict
)
return ret
async def check_server_matches_acl(self, server_name, room_id):
async def check_server_matches_acl(self, server_name: str, room_id: str):
"""Check if the given server is allowed by the server ACLs in the room
Args:
server_name (str): name of server, *without any port part*
room_id (str): ID of the room to check
server_name: name of server, *without any port part*
room_id: ID of the room to check
Raises:
AuthError if the server does not match the ACL
@ -661,15 +699,15 @@ class FederationServer(FederationBase):
raise AuthError(code=403, msg="Server is banned from room")
def server_matches_acl_event(server_name, acl_event):
def server_matches_acl_event(server_name: str, acl_event: EventBase) -> bool:
"""Check if the given server is allowed by the ACL event
Args:
server_name (str): name of server, without any port part
acl_event (EventBase): m.room.server_acl event
server_name: name of server, without any port part
acl_event: m.room.server_acl event
Returns:
bool: True if this server is allowed by the ACLs
True if this server is allowed by the ACLs
"""
logger.debug("Checking %s against acl %s", server_name, acl_event.content)
@ -713,7 +751,7 @@ def server_matches_acl_event(server_name, acl_event):
return False
def _acl_entry_matches(server_name, acl_entry):
def _acl_entry_matches(server_name: str, acl_entry: str) -> Match:
if not isinstance(acl_entry, six.string_types):
logger.warning(
"Ignoring non-str ACL entry '%s' (is %s)", acl_entry, type(acl_entry)
@ -732,13 +770,13 @@ class FederationHandlerRegistry(object):
self.edu_handlers = {}
self.query_handlers = {}
def register_edu_handler(self, edu_type, handler):
def register_edu_handler(self, edu_type: str, handler: Callable[[str, dict], None]):
"""Sets the handler callable that will be used to handle an incoming
federation EDU of the given type.
Args:
edu_type (str): The type of the incoming EDU to register handler for
handler (Callable[[str, dict]]): A callable invoked on incoming EDU
edu_type: The type of the incoming EDU to register handler for
handler: A callable invoked on incoming EDU
of the given type. The arguments are the origin server name and
the EDU contents.
"""
@ -749,14 +787,16 @@ class FederationHandlerRegistry(object):
self.edu_handlers[edu_type] = handler
def register_query_handler(self, query_type, handler):
def register_query_handler(
self, query_type: str, handler: Callable[[dict], defer.Deferred]
):
"""Sets the handler callable that will be used to handle an incoming
federation query of the given type.
Args:
query_type (str): Category name of the query, which should match
query_type: Category name of the query, which should match
the string used by make_query.
handler (Callable[[dict], Deferred[dict]]): Invoked to handle
handler: Invoked to handle
incoming queries of this type. The return will be yielded
on and the result used as the response to the query request.
"""
@ -767,10 +807,11 @@ class FederationHandlerRegistry(object):
self.query_handlers[query_type] = handler
async def on_edu(self, edu_type, origin, content):
async def on_edu(self, edu_type: str, origin: str, content: dict):
handler = self.edu_handlers.get(edu_type)
if not handler:
logger.warning("No handler registered for EDU type %s", edu_type)
return
with start_active_span_from_edu(content, "handle_edu"):
try:
@ -780,7 +821,7 @@ class FederationHandlerRegistry(object):
except Exception:
logger.exception("Failed to handle edu %r", edu_type)
def on_query(self, query_type, args):
def on_query(self, query_type: str, args: dict) -> defer.Deferred:
handler = self.query_handlers.get(query_type)
if not handler:
logger.warning("No handler registered for query type %s", query_type)
@ -807,7 +848,7 @@ class ReplicationFederationHandlerRegistry(FederationHandlerRegistry):
super(ReplicationFederationHandlerRegistry, self).__init__()
async def on_edu(self, edu_type, origin, content):
async def on_edu(self, edu_type: str, origin: str, content: dict):
"""Overrides FederationHandlerRegistry
"""
if not self.config.use_presence and edu_type == "m.presence":
@ -821,7 +862,7 @@ class ReplicationFederationHandlerRegistry(FederationHandlerRegistry):
return await self._send_edu(edu_type=edu_type, origin=origin, content=content)
async def on_query(self, query_type, args):
async def on_query(self, query_type: str, args: dict):
"""Overrides FederationHandlerRegistry
"""
handler = self.query_handlers.get(query_type)

1
tox.ini
View file

@ -183,6 +183,7 @@ commands = mypy \
synapse/events/spamcheck.py \
synapse/federation/federation_base.py \
synapse/federation/federation_client.py \
synapse/federation/federation_server.py \
synapse/federation/sender \
synapse/federation/transport \
synapse/handlers/auth.py \