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dendrite/federationapi/routing/send_test.go
Kegsay 18231f25b4
Implement rejected events (#1426)
* WIP Event rejection

* Still send back errors for rejected events

Instead, discard them at the federationapi /send layer rather than
re-implementing checks at the clientapi/PerformJoin layer.

* Implement rejected events

Critically, rejected events CAN cause state resolution to happen
as it can merge forks in the DAG. This is fine, _provided_ we
do not add the rejected event when performing state resolution,
which is what this PR does. It also fixes the error handling
when NotAllowed happens, as we were checking too early and needlessly
handling NotAllowed in more than one place.

* Update test to match reality

* Modify InputRoomEvents to no longer return an error

Errors do not serialise across HTTP boundaries in polylith mode,
so instead set fields on the InputRoomEventsResponse. Add `Err()`
function to make the API shape basically the same.

* Remove redundant returns; linting

* Update blacklist
2020-09-16 13:00:52 +01:00

709 lines
29 KiB
Go

package routing
import (
"context"
"encoding/json"
"fmt"
"reflect"
"testing"
"time"
eduAPI "github.com/matrix-org/dendrite/eduserver/api"
fsAPI "github.com/matrix-org/dendrite/federationsender/api"
"github.com/matrix-org/dendrite/internal/test"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrixserverlib"
)
const (
testOrigin = gomatrixserverlib.ServerName("kaer.morhen")
testDestination = gomatrixserverlib.ServerName("white.orchard")
)
var (
testRoomVersion = gomatrixserverlib.RoomVersionV1
testData = []json.RawMessage{
[]byte(`{"auth_events":[],"content":{"creator":"@userid:kaer.morhen"},"depth":0,"event_id":"$0ok8ynDp7kjc95e3:kaer.morhen","hashes":{"sha256":"17kPoH+h0Dk4Omn7Sus0qMb6+oGcf+CZFEgDhv7UKWs"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"jP4a04f5/F10Pw95FPpdCyKAO44JOwUQ/MZOOeA/RTU1Dn+AHPMzGSaZnuGjRr/xQuADt+I3ctb5ZQfLKNzHDw"}},"state_key":"","type":"m.room.create"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}]],"content":{"membership":"join"},"depth":1,"event_id":"$LEwEu0kxrtu5fOiS:kaer.morhen","hashes":{"sha256":"B7M88PhXf3vd1LaFtjQutFu4x/w7fHD28XKZ4sAsJTo"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"p2vqmuJn7ZBRImctSaKbXCAxCcBlIjPH9JHte1ouIUGy84gpu4eLipOvSBCLL26hXfC0Zrm4WUto6Hr+ohdrCg"}},"state_key":"@userid:kaer.morhen","type":"m.room.member"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"join_rule":"public"},"depth":2,"event_id":"$SMHlqUrNhhBBRLeN:kaer.morhen","hashes":{"sha256":"vIuJQvmMjrGxshAkj1SXe0C4RqvMbv4ZADDw9pFCWqQ"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"hBMsb3Qppo3RaqqAl4JyTgaiWEbW5hlckATky6PrHun+F3YM203TzG7w9clwuQU5F5pZoB1a6nw+to0hN90FAw"}},"state_key":"","type":"m.room.join_rules"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"history_visibility":"shared"},"depth":3,"event_id":"$6F1yGIbO0J7TM93h:kaer.morhen","hashes":{"sha256":"Mr23GKSlZW7UCCYLgOWawI2Sg6KIoMjUWO2TDenuOgw"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$SMHlqUrNhhBBRLeN:kaer.morhen",{"sha256":"SylzE8U02I+6eyEHgL+FlU0L5YdqrVp8OOlxKS9VQW0"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"sHLKrFI3hKGrEJfpMVZSDS3LvLasQsy50CTsOwru9XTVxgRsPo6wozNtRVjxo1J3Rk18RC9JppovmQ5VR5EcDw"}},"state_key":"","type":"m.room.history_visibility"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"ban":50,"events":null,"events_default":0,"invite":0,"kick":50,"redact":50,"state_default":50,"users":null,"users_default":0},"depth":4,"event_id":"$UKNe10XzYzG0TeA9:kaer.morhen","hashes":{"sha256":"ngbP3yja9U5dlckKerUs/fSOhtKxZMCVvsfhPURSS28"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$6F1yGIbO0J7TM93h:kaer.morhen",{"sha256":"A4CucrKSoWX4IaJXhq02mBg1sxIyZEftbC+5p3fZAvk"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"zOmwlP01QL3yFchzuR9WHvogOoBZA3oVtNIF3lM0ZfDnqlSYZB9sns27G/4HVq0k7alaK7ZE3oGoCrVnMkPNCw"}},"state_key":"","type":"m.room.power_levels"}`),
// messages
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"body":"Test Message"},"depth":5,"event_id":"$gl2T9l3qm0kUbiIJ:kaer.morhen","hashes":{"sha256":"Qx3nRMHLDPSL5hBAzuX84FiSSP0K0Kju2iFoBWH4Za8"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$UKNe10XzYzG0TeA9:kaer.morhen",{"sha256":"KtSRyMjt0ZSjsv2koixTRCxIRCGoOp6QrKscsW97XRo"}]],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"sqDgv3EG7ml5VREzmT9aZeBpS4gAPNIaIeJOwqjDhY0GPU/BcpX5wY4R7hYLrNe5cChgV+eFy/GWm1Zfg5FfDg"}},"type":"m.room.message"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"body":"Test Message"},"depth":6,"event_id":"$MYSbs8m4rEbsCWXD:kaer.morhen","hashes":{"sha256":"kgbYM7v4Ud2YaBsjBTolM4ySg6rHcJNYI6nWhMSdFUA"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$gl2T9l3qm0kUbiIJ:kaer.morhen",{"sha256":"C/rD04h9wGxRdN2G/IBfrgoE1UovzLZ+uskwaKZ37/Q"}]],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"x0UoKh968jj/F5l1/R7Ew0T6CTKuew3PLNHASNxqck/bkNe8yYQiDHXRr+kZxObeqPZZTpaF1+EI+bLU9W8GDQ"}},"type":"m.room.message"}`),
[]byte(`{"auth_events":[["$0ok8ynDp7kjc95e3:kaer.morhen",{"sha256":"sWCi6Ckp9rDimQON+MrUlNRkyfZ2tjbPbWfg2NMB18Q"}],["$LEwEu0kxrtu5fOiS:kaer.morhen",{"sha256":"1aKajq6DWHru1R1HJjvdWMEavkJJHGaTmPvfuERUXaA"}]],"content":{"body":"Test Message"},"depth":7,"event_id":"$N5x9WJkl9ClPrAEg:kaer.morhen","hashes":{"sha256":"FWM8oz4yquTunRZ67qlW2gzPDzdWfBP6RPHXhK1I/x8"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$MYSbs8m4rEbsCWXD:kaer.morhen",{"sha256":"fatqgW+SE8mb2wFn3UN+drmluoD4UJ/EcSrL6Ur9q1M"}]],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"Y+LX/xcyufoXMOIoqQBNOzy6lZfUGB1ffgXIrSugk6obMiyAsiRejHQN/pciZXsHKxMJLYRFAz4zSJoS/LGPAA"}},"type":"m.room.message"}`),
}
testEvents = []gomatrixserverlib.HeaderedEvent{}
testStateEvents = make(map[gomatrixserverlib.StateKeyTuple]gomatrixserverlib.HeaderedEvent)
)
func init() {
for _, j := range testData {
e, err := gomatrixserverlib.NewEventFromTrustedJSON(j, false, testRoomVersion)
if err != nil {
panic("cannot load test data: " + err.Error())
}
h := e.Headered(testRoomVersion)
testEvents = append(testEvents, h)
if e.StateKey() != nil {
testStateEvents[gomatrixserverlib.StateKeyTuple{
EventType: e.Type(),
StateKey: *e.StateKey(),
}] = h
}
}
}
type testEDUProducer struct {
// this producer keeps track of calls to InputTypingEvent
invocations []eduAPI.InputTypingEventRequest
}
func (p *testEDUProducer) InputTypingEvent(
ctx context.Context,
request *eduAPI.InputTypingEventRequest,
response *eduAPI.InputTypingEventResponse,
) error {
p.invocations = append(p.invocations, *request)
return nil
}
func (p *testEDUProducer) InputSendToDeviceEvent(
ctx context.Context,
request *eduAPI.InputSendToDeviceEventRequest,
response *eduAPI.InputSendToDeviceEventResponse,
) error {
return nil
}
type testRoomserverAPI struct {
inputRoomEvents []api.InputRoomEvent
queryStateAfterEvents func(*api.QueryStateAfterEventsRequest) api.QueryStateAfterEventsResponse
queryEventsByID func(req *api.QueryEventsByIDRequest) api.QueryEventsByIDResponse
queryLatestEventsAndState func(*api.QueryLatestEventsAndStateRequest) api.QueryLatestEventsAndStateResponse
}
func (t *testRoomserverAPI) SetFederationSenderAPI(fsAPI fsAPI.FederationSenderInternalAPI) {}
func (t *testRoomserverAPI) InputRoomEvents(
ctx context.Context,
request *api.InputRoomEventsRequest,
response *api.InputRoomEventsResponse,
) {
t.inputRoomEvents = append(t.inputRoomEvents, request.InputRoomEvents...)
for _, ire := range request.InputRoomEvents {
fmt.Println("InputRoomEvents: ", ire.Event.EventID())
}
}
func (t *testRoomserverAPI) PerformInvite(
ctx context.Context,
req *api.PerformInviteRequest,
res *api.PerformInviteResponse,
) error {
return nil
}
func (t *testRoomserverAPI) PerformJoin(
ctx context.Context,
req *api.PerformJoinRequest,
res *api.PerformJoinResponse,
) {
}
func (t *testRoomserverAPI) PerformPeek(
ctx context.Context,
req *api.PerformPeekRequest,
res *api.PerformPeekResponse,
) {
}
func (t *testRoomserverAPI) PerformPublish(
ctx context.Context,
req *api.PerformPublishRequest,
res *api.PerformPublishResponse,
) {
}
func (t *testRoomserverAPI) PerformLeave(
ctx context.Context,
req *api.PerformLeaveRequest,
res *api.PerformLeaveResponse,
) error {
return nil
}
// Query the latest events and state for a room from the room server.
func (t *testRoomserverAPI) QueryLatestEventsAndState(
ctx context.Context,
request *api.QueryLatestEventsAndStateRequest,
response *api.QueryLatestEventsAndStateResponse,
) error {
r := t.queryLatestEventsAndState(request)
response.RoomExists = r.RoomExists
response.RoomVersion = testRoomVersion
response.LatestEvents = r.LatestEvents
response.StateEvents = r.StateEvents
response.Depth = r.Depth
return nil
}
// Query the state after a list of events in a room from the room server.
func (t *testRoomserverAPI) QueryStateAfterEvents(
ctx context.Context,
request *api.QueryStateAfterEventsRequest,
response *api.QueryStateAfterEventsResponse,
) error {
response.RoomVersion = testRoomVersion
res := t.queryStateAfterEvents(request)
response.PrevEventsExist = res.PrevEventsExist
response.RoomExists = res.RoomExists
response.StateEvents = res.StateEvents
return nil
}
// Query a list of events by event ID.
func (t *testRoomserverAPI) QueryEventsByID(
ctx context.Context,
request *api.QueryEventsByIDRequest,
response *api.QueryEventsByIDResponse,
) error {
res := t.queryEventsByID(request)
response.Events = res.Events
return nil
}
// Query the membership event for an user for a room.
func (t *testRoomserverAPI) QueryMembershipForUser(
ctx context.Context,
request *api.QueryMembershipForUserRequest,
response *api.QueryMembershipForUserResponse,
) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QueryPublishedRooms(
ctx context.Context,
request *api.QueryPublishedRoomsRequest,
response *api.QueryPublishedRoomsResponse,
) error {
return fmt.Errorf("not implemented")
}
// Query a list of membership events for a room
func (t *testRoomserverAPI) QueryMembershipsForRoom(
ctx context.Context,
request *api.QueryMembershipsForRoomRequest,
response *api.QueryMembershipsForRoomResponse,
) error {
return fmt.Errorf("not implemented")
}
// Query whether a server is allowed to see an event
func (t *testRoomserverAPI) QueryServerAllowedToSeeEvent(
ctx context.Context,
request *api.QueryServerAllowedToSeeEventRequest,
response *api.QueryServerAllowedToSeeEventResponse,
) error {
return fmt.Errorf("not implemented")
}
// Query missing events for a room from roomserver
func (t *testRoomserverAPI) QueryMissingEvents(
ctx context.Context,
request *api.QueryMissingEventsRequest,
response *api.QueryMissingEventsResponse,
) error {
return fmt.Errorf("not implemented")
}
// Query to get state and auth chain for a (potentially hypothetical) event.
// Takes lists of PrevEventIDs and AuthEventsIDs and uses them to calculate
// the state and auth chain to return.
func (t *testRoomserverAPI) QueryStateAndAuthChain(
ctx context.Context,
request *api.QueryStateAndAuthChainRequest,
response *api.QueryStateAndAuthChainResponse,
) error {
return fmt.Errorf("not implemented")
}
// Query a given amount (or less) of events prior to a given set of events.
func (t *testRoomserverAPI) PerformBackfill(
ctx context.Context,
request *api.PerformBackfillRequest,
response *api.PerformBackfillResponse,
) error {
return fmt.Errorf("not implemented")
}
// Asks for the default room version as preferred by the server.
func (t *testRoomserverAPI) QueryRoomVersionCapabilities(
ctx context.Context,
request *api.QueryRoomVersionCapabilitiesRequest,
response *api.QueryRoomVersionCapabilitiesResponse,
) error {
return fmt.Errorf("not implemented")
}
// Asks for the room version for a given room.
func (t *testRoomserverAPI) QueryRoomVersionForRoom(
ctx context.Context,
request *api.QueryRoomVersionForRoomRequest,
response *api.QueryRoomVersionForRoomResponse,
) error {
response.RoomVersion = testRoomVersion
return nil
}
// Set a room alias
func (t *testRoomserverAPI) SetRoomAlias(
ctx context.Context,
req *api.SetRoomAliasRequest,
response *api.SetRoomAliasResponse,
) error {
return fmt.Errorf("not implemented")
}
// Get the room ID for an alias
func (t *testRoomserverAPI) GetRoomIDForAlias(
ctx context.Context,
req *api.GetRoomIDForAliasRequest,
response *api.GetRoomIDForAliasResponse,
) error {
return fmt.Errorf("not implemented")
}
// Get all known aliases for a room ID
func (t *testRoomserverAPI) GetAliasesForRoomID(
ctx context.Context,
req *api.GetAliasesForRoomIDRequest,
response *api.GetAliasesForRoomIDResponse,
) error {
return fmt.Errorf("not implemented")
}
// Get the user ID of the creator of an alias
func (t *testRoomserverAPI) GetCreatorIDForAlias(
ctx context.Context,
req *api.GetCreatorIDForAliasRequest,
response *api.GetCreatorIDForAliasResponse,
) error {
return fmt.Errorf("not implemented")
}
// Remove a room alias
func (t *testRoomserverAPI) RemoveRoomAlias(
ctx context.Context,
req *api.RemoveRoomAliasRequest,
response *api.RemoveRoomAliasResponse,
) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QueryCurrentState(ctx context.Context, req *api.QueryCurrentStateRequest, res *api.QueryCurrentStateResponse) error {
return nil
}
func (t *testRoomserverAPI) QueryRoomsForUser(ctx context.Context, req *api.QueryRoomsForUserRequest, res *api.QueryRoomsForUserResponse) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QueryBulkStateContent(ctx context.Context, req *api.QueryBulkStateContentRequest, res *api.QueryBulkStateContentResponse) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QuerySharedUsers(ctx context.Context, req *api.QuerySharedUsersRequest, res *api.QuerySharedUsersResponse) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QueryKnownUsers(ctx context.Context, req *api.QueryKnownUsersRequest, res *api.QueryKnownUsersResponse) error {
return fmt.Errorf("not implemented")
}
func (t *testRoomserverAPI) QueryServerBannedFromRoom(ctx context.Context, req *api.QueryServerBannedFromRoomRequest, res *api.QueryServerBannedFromRoomResponse) error {
return nil
}
type txnFedClient struct {
state map[string]gomatrixserverlib.RespState // event_id to response
stateIDs map[string]gomatrixserverlib.RespStateIDs // event_id to response
getEvent map[string]gomatrixserverlib.Transaction // event_id to response
getMissingEvents func(gomatrixserverlib.MissingEvents) (res gomatrixserverlib.RespMissingEvents, err error)
}
func (c *txnFedClient) LookupState(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, eventID string, roomVersion gomatrixserverlib.RoomVersion) (
res gomatrixserverlib.RespState, err error,
) {
fmt.Println("testFederationClient.LookupState", eventID)
r, ok := c.state[eventID]
if !ok {
err = fmt.Errorf("txnFedClient: no /state for event %s", eventID)
return
}
res = r
return
}
func (c *txnFedClient) LookupStateIDs(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, eventID string) (res gomatrixserverlib.RespStateIDs, err error) {
fmt.Println("testFederationClient.LookupStateIDs", eventID)
r, ok := c.stateIDs[eventID]
if !ok {
err = fmt.Errorf("txnFedClient: no /state_ids for event %s", eventID)
return
}
res = r
return
}
func (c *txnFedClient) GetEvent(ctx context.Context, s gomatrixserverlib.ServerName, eventID string) (res gomatrixserverlib.Transaction, err error) {
fmt.Println("testFederationClient.GetEvent", eventID)
r, ok := c.getEvent[eventID]
if !ok {
err = fmt.Errorf("txnFedClient: no /event for event ID %s", eventID)
return
}
res = r
return
}
func (c *txnFedClient) LookupMissingEvents(ctx context.Context, s gomatrixserverlib.ServerName, roomID string, missing gomatrixserverlib.MissingEvents,
roomVersion gomatrixserverlib.RoomVersion) (res gomatrixserverlib.RespMissingEvents, err error) {
return c.getMissingEvents(missing)
}
func mustCreateTransaction(rsAPI api.RoomserverInternalAPI, fedClient txnFederationClient, pdus []json.RawMessage) *txnReq {
t := &txnReq{
rsAPI: rsAPI,
eduAPI: &testEDUProducer{},
keys: &test.NopJSONVerifier{},
federation: fedClient,
haveEvents: make(map[string]*gomatrixserverlib.HeaderedEvent),
newEvents: make(map[string]bool),
}
t.PDUs = pdus
t.Origin = testOrigin
t.TransactionID = gomatrixserverlib.TransactionID(fmt.Sprintf("%d", time.Now().UnixNano()))
t.Destination = testDestination
return t
}
func mustProcessTransaction(t *testing.T, txn *txnReq, pdusWithErrors []string) {
res, err := txn.processTransaction(context.Background())
if err != nil {
t.Errorf("txn.processTransaction returned an error: %v", err)
return
}
if len(res.PDUs) != len(txn.PDUs) {
t.Errorf("txn.processTransaction did not return results for all PDUs, got %d want %d", len(res.PDUs), len(txn.PDUs))
return
}
NextPDU:
for eventID, result := range res.PDUs {
if result.Error == "" {
continue
}
for _, eventIDWantError := range pdusWithErrors {
if eventID == eventIDWantError {
break NextPDU
}
}
t.Errorf("txn.processTransaction PDU %s returned an error %s", eventID, result.Error)
}
}
func fromStateTuples(tuples []gomatrixserverlib.StateKeyTuple, omitTuples []gomatrixserverlib.StateKeyTuple) (result []gomatrixserverlib.HeaderedEvent) {
NextTuple:
for _, t := range tuples {
for _, o := range omitTuples {
if t == o {
break NextTuple
}
}
h, ok := testStateEvents[t]
if ok {
result = append(result, h)
}
}
return
}
func assertInputRoomEvents(t *testing.T, got []api.InputRoomEvent, want []gomatrixserverlib.HeaderedEvent) {
for _, g := range got {
fmt.Println("GOT ", g.Event.EventID())
}
if len(got) != len(want) {
t.Errorf("wrong number of InputRoomEvents: got %d want %d", len(got), len(want))
return
}
for i := range got {
if got[i].Event.EventID() != want[i].EventID() {
t.Errorf("InputRoomEvents[%d] got %s want %s", i, got[i].Event.EventID(), want[i].EventID())
}
}
}
// The purpose of this test is to check that receiving an event over federation for which we have the prev_events works correctly, and passes it on
// to the roomserver. It's the most basic test possible.
func TestBasicTransaction(t *testing.T) {
rsAPI := &testRoomserverAPI{
queryStateAfterEvents: func(req *api.QueryStateAfterEventsRequest) api.QueryStateAfterEventsResponse {
return api.QueryStateAfterEventsResponse{
PrevEventsExist: true,
RoomExists: true,
StateEvents: fromStateTuples(req.StateToFetch, nil),
}
},
}
pdus := []json.RawMessage{
testData[len(testData)-1], // a message event
}
txn := mustCreateTransaction(rsAPI, &txnFedClient{}, pdus)
mustProcessTransaction(t, txn, nil)
assertInputRoomEvents(t, rsAPI.inputRoomEvents, []gomatrixserverlib.HeaderedEvent{testEvents[len(testEvents)-1]})
}
// The purpose of this test is to check that if the event received fails auth checks the event is still sent to the roomserver
// as it does the auth check.
func TestTransactionFailAuthChecks(t *testing.T) {
rsAPI := &testRoomserverAPI{
queryStateAfterEvents: func(req *api.QueryStateAfterEventsRequest) api.QueryStateAfterEventsResponse {
return api.QueryStateAfterEventsResponse{
PrevEventsExist: true,
RoomExists: true,
// omit the create event so auth checks fail
StateEvents: fromStateTuples(req.StateToFetch, []gomatrixserverlib.StateKeyTuple{
{EventType: gomatrixserverlib.MRoomCreate, StateKey: ""},
}),
}
},
}
pdus := []json.RawMessage{
testData[len(testData)-1], // a message event
}
txn := mustCreateTransaction(rsAPI, &txnFedClient{}, pdus)
mustProcessTransaction(t, txn, []string{})
// expect message to be sent to the roomserver
assertInputRoomEvents(t, rsAPI.inputRoomEvents, []gomatrixserverlib.HeaderedEvent{testEvents[len(testEvents)-1]})
}
// The purpose of this test is to make sure that when an event is received for which we do not know the prev_events,
// we request them from /get_missing_events. It works by setting PrevEventsExist=false in the roomserver query response,
// resulting in a call to /get_missing_events which returns the missing prev event. Both events should be processed in
// topological order and sent to the roomserver.
func TestTransactionFetchMissingPrevEvents(t *testing.T) {
haveEvent := testEvents[len(testEvents)-3]
prevEvent := testEvents[len(testEvents)-2]
inputEvent := testEvents[len(testEvents)-1]
var rsAPI *testRoomserverAPI // ref here so we can refer to inputRoomEvents inside these functions
rsAPI = &testRoomserverAPI{
queryStateAfterEvents: func(req *api.QueryStateAfterEventsRequest) api.QueryStateAfterEventsResponse {
// we expect this to be called three times:
// - first with input event to realise there's a gap
// - second with the prevEvent to realise there is no gap
// - third with the input event to realise there is no longer a gap
prevEventsExist := false
if len(req.PrevEventIDs) == 1 {
switch req.PrevEventIDs[0] {
case haveEvent.EventID():
prevEventsExist = true
case prevEvent.EventID():
// we only have this event if we've been send prevEvent
if len(rsAPI.inputRoomEvents) == 1 && rsAPI.inputRoomEvents[0].Event.EventID() == prevEvent.EventID() {
prevEventsExist = true
}
}
}
return api.QueryStateAfterEventsResponse{
PrevEventsExist: prevEventsExist,
RoomExists: true,
StateEvents: fromStateTuples(req.StateToFetch, nil),
}
},
queryLatestEventsAndState: func(req *api.QueryLatestEventsAndStateRequest) api.QueryLatestEventsAndStateResponse {
return api.QueryLatestEventsAndStateResponse{
RoomExists: true,
Depth: haveEvent.Depth(),
LatestEvents: []gomatrixserverlib.EventReference{
haveEvent.EventReference(),
},
StateEvents: fromStateTuples(req.StateToFetch, nil),
}
},
}
cli := &txnFedClient{
getMissingEvents: func(missing gomatrixserverlib.MissingEvents) (res gomatrixserverlib.RespMissingEvents, err error) {
if !reflect.DeepEqual(missing.EarliestEvents, []string{haveEvent.EventID()}) {
t.Errorf("call to /get_missing_events wrong earliest events: got %v want %v", missing.EarliestEvents, haveEvent.EventID())
}
if !reflect.DeepEqual(missing.LatestEvents, []string{inputEvent.EventID()}) {
t.Errorf("call to /get_missing_events wrong latest events: got %v want %v", missing.LatestEvents, inputEvent.EventID())
}
return gomatrixserverlib.RespMissingEvents{
Events: []gomatrixserverlib.Event{
prevEvent.Unwrap(),
},
}, nil
},
}
pdus := []json.RawMessage{
inputEvent.JSON(),
}
txn := mustCreateTransaction(rsAPI, cli, pdus)
mustProcessTransaction(t, txn, nil)
assertInputRoomEvents(t, rsAPI.inputRoomEvents, []gomatrixserverlib.HeaderedEvent{prevEvent, inputEvent})
}
// The purpose of this test is to check that when there are missing prev_events and we still haven't been able to fill
// in the hole with /get_missing_events that the state BEFORE the events we want to persist is fetched via /state_ids
// and /event. It works by setting PrevEventsExist=false in the roomserver query response, resulting in
// a call to /get_missing_events which returns 1 out of the 2 events it needs to fill in the gap. Synapse and Dendrite
// both give up after 1x /get_missing_events call, relying on requesting the state AFTER the missing event in order to
// continue. The DAG looks something like:
// FE GME TXN
// A ---> B ---> C ---> D
// TXN=event in the txn, GME=response to /get_missing_events, FE=roomserver's forward extremity. Should result in:
// - /state_ids?event=B is requested, then /event/B to get the state AFTER B. B is a state event.
// - state resolution is done to check C is allowed.
// This results in B being sent as an outlier FIRST, then C,D.
func TestTransactionFetchMissingStateByStateIDs(t *testing.T) {
eventA := testEvents[len(testEvents)-5]
// this is also len(testEvents)-4
eventB := testStateEvents[gomatrixserverlib.StateKeyTuple{
EventType: gomatrixserverlib.MRoomPowerLevels,
StateKey: "",
}]
eventC := testEvents[len(testEvents)-3]
eventD := testEvents[len(testEvents)-2]
fmt.Println("a:", eventA.EventID())
fmt.Println("b:", eventB.EventID())
fmt.Println("c:", eventC.EventID())
fmt.Println("d:", eventD.EventID())
var rsAPI *testRoomserverAPI
rsAPI = &testRoomserverAPI{
queryStateAfterEvents: func(req *api.QueryStateAfterEventsRequest) api.QueryStateAfterEventsResponse {
omitTuples := []gomatrixserverlib.StateKeyTuple{
{
EventType: gomatrixserverlib.MRoomPowerLevels,
StateKey: "",
},
}
askingForEvent := req.PrevEventIDs[0]
haveEventB := false
haveEventC := false
for _, ev := range rsAPI.inputRoomEvents {
switch ev.Event.EventID() {
case eventB.EventID():
haveEventB = true
omitTuples = nil // include event B now
case eventC.EventID():
haveEventC = true
}
}
prevEventExists := false
if askingForEvent == eventC.EventID() {
prevEventExists = haveEventC
} else if askingForEvent == eventB.EventID() {
prevEventExists = haveEventB
}
var stateEvents []gomatrixserverlib.HeaderedEvent
if prevEventExists {
stateEvents = fromStateTuples(req.StateToFetch, omitTuples)
}
return api.QueryStateAfterEventsResponse{
PrevEventsExist: prevEventExists,
RoomExists: true,
StateEvents: stateEvents,
}
},
queryLatestEventsAndState: func(req *api.QueryLatestEventsAndStateRequest) api.QueryLatestEventsAndStateResponse {
omitTuples := []gomatrixserverlib.StateKeyTuple{
{EventType: gomatrixserverlib.MRoomPowerLevels, StateKey: ""},
}
return api.QueryLatestEventsAndStateResponse{
RoomExists: true,
Depth: eventA.Depth(),
LatestEvents: []gomatrixserverlib.EventReference{
eventA.EventReference(),
},
StateEvents: fromStateTuples(req.StateToFetch, omitTuples),
}
},
queryEventsByID: func(req *api.QueryEventsByIDRequest) api.QueryEventsByIDResponse {
var res api.QueryEventsByIDResponse
fmt.Println("queryEventsByID ", req.EventIDs)
for _, wantEventID := range req.EventIDs {
for _, ev := range testStateEvents {
// roomserver is missing the power levels event unless it's been sent to us recently as an outlier
if wantEventID == eventB.EventID() {
fmt.Println("Asked for pl event")
for _, inEv := range rsAPI.inputRoomEvents {
fmt.Println("recv ", inEv.Event.EventID())
if inEv.Event.EventID() == wantEventID {
res.Events = append(res.Events, inEv.Event)
break
}
}
continue
}
if ev.EventID() == wantEventID {
res.Events = append(res.Events, ev)
}
}
}
return res
},
}
// /state_ids for event B returns every state event but B (it's the state before)
var authEventIDs []string
var stateEventIDs []string
for _, ev := range testStateEvents {
if ev.EventID() == eventB.EventID() {
continue
}
// state res checks what auth events you give it, and this isn't a valid auth event
if ev.Type() != gomatrixserverlib.MRoomHistoryVisibility {
authEventIDs = append(authEventIDs, ev.EventID())
}
stateEventIDs = append(stateEventIDs, ev.EventID())
}
cli := &txnFedClient{
stateIDs: map[string]gomatrixserverlib.RespStateIDs{
eventB.EventID(): {
StateEventIDs: stateEventIDs,
AuthEventIDs: authEventIDs,
},
},
// /event for event B returns it
getEvent: map[string]gomatrixserverlib.Transaction{
eventB.EventID(): {
PDUs: []json.RawMessage{
eventB.JSON(),
},
},
},
// /get_missing_events should be done exactly once
getMissingEvents: func(missing gomatrixserverlib.MissingEvents) (res gomatrixserverlib.RespMissingEvents, err error) {
if !reflect.DeepEqual(missing.EarliestEvents, []string{eventA.EventID()}) {
t.Errorf("call to /get_missing_events wrong earliest events: got %v want %v", missing.EarliestEvents, eventA.EventID())
}
if !reflect.DeepEqual(missing.LatestEvents, []string{eventD.EventID()}) {
t.Errorf("call to /get_missing_events wrong latest events: got %v want %v", missing.LatestEvents, eventD.EventID())
}
// just return event C, not event B so /state_ids logic kicks in as there will STILL be missing prev_events
return gomatrixserverlib.RespMissingEvents{
Events: []gomatrixserverlib.Event{
eventC.Unwrap(),
},
}, nil
},
}
pdus := []json.RawMessage{
eventD.JSON(),
}
txn := mustCreateTransaction(rsAPI, cli, pdus)
mustProcessTransaction(t, txn, nil)
assertInputRoomEvents(t, rsAPI.inputRoomEvents, []gomatrixserverlib.HeaderedEvent{eventB, eventC, eventD})
}