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Merge pull request #2745 from matrix-org/rav/assert_params 

Check missing fields in event_from_pdu_json
This commit is contained in:
Richard van der Hoff 2018-01-05 09:52:39 +00:00 committed by GitHub
parent 3f9f1c50f3 bd91857028
commit efdfd5c835
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 75 additions and 67 deletions
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27
synapse/federation/federation_base.py
View File

@ -16,7 +16,9 @@ import logging
from synapse.api.errors import SynapseError
from synapse.crypto.event_signing import check_event_content_hash
from synapse.events import FrozenEvent
from synapse.events.utils import prune_event
from synapse.http.servlet import assert_params_in_request
from synapse.util import unwrapFirstError, logcontext
from twisted.internet import defer
@ -169,3 +171,28 @@ class FederationBase(object):
)
return deferreds
def event_from_pdu_json(pdu_json, outlier=False):
"""Construct a FrozenEvent from an event json received over federation
Args:
pdu_json (object): pdu as received over federation
outlier (bool): True to mark this event as an outlier
Returns:
FrozenEvent
Raises:
SynapseError: if the pdu is missing required fields
"""
# we could probably enforce a bunch of other fields here (room_id, sender,
# origin, etc etc)
assert_params_in_request(pdu_json, ('event_id', 'type'))
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event

63
synapse/federation/federation_client.py
View File

@ -14,28 +14,28 @@
# limitations under the License.
from twisted.internet import defer
from .federation_base import FederationBase
from synapse.api.constants import Membership
from synapse.api.errors import (
CodeMessageException, HttpResponseException, SynapseError,
)
from synapse.util import unwrapFirstError, logcontext
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logutils import log_function
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.events import FrozenEvent, builder
import synapse.metrics
from synapse.util.retryutils import NotRetryingDestination
import copy
import itertools
import logging
import random
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.errors import (
CodeMessageException, HttpResponseException, SynapseError,
)
from synapse.events import builder
from synapse.federation.federation_base import (
FederationBase,
event_from_pdu_json,
)
import synapse.metrics
from synapse.util import logcontext, unwrapFirstError
from synapse.util.caches.expiringcache import ExpiringCache
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
from synapse.util.retryutils import NotRetryingDestination
logger = logging.getLogger(__name__)
@ -184,7 +184,7 @@ class FederationClient(FederationBase):
logger.debug("backfill transaction_data=%s", repr(transaction_data))
pdus = [
self.event_from_pdu_json(p, outlier=False)
event_from_pdu_json(p, outlier=False)
for p in transaction_data["pdus"]
]
@ -244,7 +244,7 @@ class FederationClient(FederationBase):
logger.debug("transaction_data %r", transaction_data)
pdu_list = [
self.event_from_pdu_json(p, outlier=outlier)
event_from_pdu_json(p, outlier=outlier)
for p in transaction_data["pdus"]
]
@ -336,11 +336,11 @@ class FederationClient(FederationBase):
)
pdus = [
self.event_from_pdu_json(p, outlier=True) for p in result["pdus"]
event_from_pdu_json(p, outlier=True) for p in result["pdus"]
]
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in result.get("auth_chain", [])
]
@ -441,7 +441,7 @@ class FederationClient(FederationBase):
)
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in res["auth_chain"]
]
@ -570,12 +570,12 @@ class FederationClient(FederationBase):
logger.debug("Got content: %s", content)
state = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in content.get("state", [])
]
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
event_from_pdu_json(p, outlier=True)
for p in content.get("auth_chain", [])
]
@ -650,7 +650,7 @@ class FederationClient(FederationBase):
logger.debug("Got response to send_invite: %s", pdu_dict)
pdu = self.event_from_pdu_json(pdu_dict)
pdu = event_from_pdu_json(pdu_dict)
# Check signatures are correct.
pdu = yield self._check_sigs_and_hash(pdu)
@ -740,7 +740,7 @@ class FederationClient(FederationBase):
)
auth_chain = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content["auth_chain"]
]
@ -788,7 +788,7 @@ class FederationClient(FederationBase):
)
events = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content.get("events", [])
]
@ -805,15 +805,6 @@ class FederationClient(FederationBase):
defer.returnValue(signed_events)
def event_from_pdu_json(self, pdu_json, outlier=False):
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def forward_third_party_invite(self, destinations, room_id, event_dict):
for destination in destinations:

52
synapse/federation/federation_server.py
View File

@ -12,25 +12,24 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from .federation_base import FederationBase
from .units import Transaction, Edu
from synapse.util import async
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
from synapse.util.caches.response_cache import ResponseCache
from synapse.events import FrozenEvent
from synapse.types import get_domain_from_id
import synapse.metrics
from synapse.api.errors import AuthError, FederationError, SynapseError
from synapse.crypto.event_signing import compute_event_signature
import logging
import simplejson as json
import logging
from twisted.internet import defer
from synapse.api.errors import AuthError, FederationError, SynapseError
from synapse.crypto.event_signing import compute_event_signature
from synapse.federation.federation_base import (
FederationBase,
event_from_pdu_json,
)
from synapse.federation.units import Edu, Transaction
import synapse.metrics
from synapse.types import get_domain_from_id
from synapse.util import async
from synapse.util.caches.response_cache import ResponseCache
from synapse.util.logcontext import make_deferred_yieldable, preserve_fn
from synapse.util.logutils import log_function
# when processing incoming transactions, we try to handle multiple rooms in
# parallel, up to this limit.
@ -172,7 +171,7 @@ class FederationServer(FederationBase):
p["age_ts"] = request_time - int(p["age"])
del p["age"]
event = self.event_from_pdu_json(p)
event = event_from_pdu_json(p)
room_id = event.room_id
pdus_by_room.setdefault(room_id, []).append(event)
@ -346,7 +345,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_invite_request(self, origin, content):
pdu = self.event_from_pdu_json(content)
pdu = event_from_pdu_json(content)
ret_pdu = yield self.handler.on_invite_request(origin, pdu)
time_now = self._clock.time_msec()
defer.returnValue((200, {"event": ret_pdu.get_pdu_json(time_now)}))
@ -354,7 +353,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_send_join_request(self, origin, content):
logger.debug("on_send_join_request: content: %s", content)
pdu = self.event_from_pdu_json(content)
pdu = event_from_pdu_json(content)
logger.debug("on_send_join_request: pdu sigs: %s", pdu.signatures)
res_pdus = yield self.handler.on_send_join_request(origin, pdu)
time_now = self._clock.time_msec()
@ -374,7 +373,7 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_send_leave_request(self, origin, content):
logger.debug("on_send_leave_request: content: %s", content)
pdu = self.event_from_pdu_json(content)
pdu = event_from_pdu_json(content)
logger.debug("on_send_leave_request: pdu sigs: %s", pdu.signatures)
yield self.handler.on_send_leave_request(origin, pdu)
defer.returnValue((200, {}))
@ -411,7 +410,7 @@ class FederationServer(FederationBase):
"""
with (yield self._server_linearizer.queue((origin, room_id))):
auth_chain = [
self.event_from_pdu_json(e)
event_from_pdu_json(e)
for e in content["auth_chain"]
]
@ -586,15 +585,6 @@ class FederationServer(FederationBase):
def __str__(self):
return "<ReplicationLayer(%s)>" % self.server_name
def event_from_pdu_json(self, pdu_json, outlier=False):
event = FrozenEvent(
pdu_json
)
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def exchange_third_party_invite(
self,