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More refactoring to remove saramajetstream

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This commit is contained in:
Neil Alexander 2021-11-03 14:28:40 +00:00
parent f484285f17
commit 1110f830c6
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24 changed files with 329 additions and 838 deletions
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8
roomserver/internal/api.go
View file

@ -3,7 +3,6 @@ package internal
import (
"context"
"github.com/Shopify/sarama"
"github.com/getsentry/sentry-go"
asAPI "github.com/matrix-org/dendrite/appservice/api"
fsAPI "github.com/matrix-org/dendrite/federationsender/api"
@ -35,7 +34,6 @@ type RoomserverInternalAPI struct {
*perform.Forgetter
DB storage.Database
Cfg *config.RoomServer
Producer sarama.SyncProducer
Cache caching.RoomServerCaches
ServerName gomatrixserverlib.ServerName
KeyRing gomatrixserverlib.JSONVerifier
@ -47,8 +45,7 @@ type RoomserverInternalAPI struct {
}
func NewRoomserverAPI(
cfg *config.RoomServer, roomserverDB storage.Database,
consumer nats.JetStreamContext, producer sarama.SyncProducer,
cfg *config.RoomServer, roomserverDB storage.Database, consumer nats.JetStreamContext,
inputRoomEventTopic, outputRoomEventTopic string, caches caching.RoomServerCaches,
keyRing gomatrixserverlib.JSONVerifier, perspectiveServerNames []gomatrixserverlib.ServerName,
) *RoomserverInternalAPI {
@ -70,8 +67,7 @@ func NewRoomserverAPI(
DB: roomserverDB,
InputRoomEventTopic: inputRoomEventTopic,
OutputRoomEventTopic: outputRoomEventTopic,
Consumer: consumer,
Producer: producer,
JetStream: consumer,
ServerName: cfg.Matrix.ServerName,
ACLs: serverACLs,
},

60
roomserver/internal/input/input.go
View file

@ -21,12 +21,12 @@ import (
"sync"
"github.com/Arceliar/phony"
"github.com/Shopify/sarama"
"github.com/getsentry/sentry-go"
"github.com/matrix-org/dendrite/internal/hooks"
"github.com/matrix-org/dendrite/roomserver/acls"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/prometheus/client_golang/prometheus"
@ -42,8 +42,7 @@ var keyContentFields = map[string]string{
type Inputer struct {
DB storage.Database
Consumer nats.JetStreamContext
Producer sarama.SyncProducer
JetStream nats.JetStreamContext
ServerName gomatrixserverlib.ServerName
ACLs *acls.ServerACLs
InputRoomEventTopic string
@ -53,7 +52,7 @@ type Inputer struct {
// onMessage is called when a new event arrives in the roomserver input stream.
func (r *Inputer) Start() error {
_, err := r.Consumer.Subscribe(
_, err := r.JetStream.Subscribe(
r.InputRoomEventTopic,
func(msg *nats.Msg) {
_ = msg.InProgress()
@ -99,7 +98,7 @@ func (r *Inputer) InputRoomEvents(
response.ErrMsg = err.Error()
return
}
if _, err = r.Consumer.PublishMsg(msg); err != nil {
if _, err = r.JetStream.PublishMsg(msg); err != nil {
response.ErrMsg = err.Error()
return
}
@ -109,56 +108,51 @@ func (r *Inputer) InputRoomEvents(
// WriteOutputEvents implements OutputRoomEventWriter
func (r *Inputer) WriteOutputEvents(roomID string, updates []api.OutputEvent) error {
messages := make([]*sarama.ProducerMessage, len(updates))
for i := range updates {
value, err := json.Marshal(updates[i])
var err error
for _, update := range updates {
msg := &nats.Msg{}
msg.Header.Set(jetstream.RoomID, roomID)
msg.Data, err = json.Marshal(update)
if err != nil {
return err
}
logger := log.WithFields(log.Fields{
"room_id": roomID,
"type": updates[i].Type,
"type": update.Type,
})
if updates[i].NewRoomEvent != nil {
eventType := updates[i].NewRoomEvent.Event.Type()
if update.NewRoomEvent != nil {
eventType := update.NewRoomEvent.Event.Type()
logger = logger.WithFields(log.Fields{
"event_type": eventType,
"event_id": updates[i].NewRoomEvent.Event.EventID(),
"adds_state": len(updates[i].NewRoomEvent.AddsStateEventIDs),
"removes_state": len(updates[i].NewRoomEvent.RemovesStateEventIDs),
"send_as_server": updates[i].NewRoomEvent.SendAsServer,
"sender": updates[i].NewRoomEvent.Event.Sender(),
"event_id": update.NewRoomEvent.Event.EventID(),
"adds_state": len(update.NewRoomEvent.AddsStateEventIDs),
"removes_state": len(update.NewRoomEvent.RemovesStateEventIDs),
"send_as_server": update.NewRoomEvent.SendAsServer,
"sender": update.NewRoomEvent.Event.Sender(),
})
if updates[i].NewRoomEvent.Event.StateKey() != nil {
logger = logger.WithField("state_key", *updates[i].NewRoomEvent.Event.StateKey())
if update.NewRoomEvent.Event.StateKey() != nil {
logger = logger.WithField("state_key", *update.NewRoomEvent.Event.StateKey())
}
contentKey := keyContentFields[eventType]
if contentKey != "" {
value := gjson.GetBytes(updates[i].NewRoomEvent.Event.Content(), contentKey)
value := gjson.GetBytes(update.NewRoomEvent.Event.Content(), contentKey)
if value.Exists() {
logger = logger.WithField("content_value", value.String())
}
}
if eventType == "m.room.server_acl" && updates[i].NewRoomEvent.Event.StateKeyEquals("") {
ev := updates[i].NewRoomEvent.Event.Unwrap()
if eventType == "m.room.server_acl" && update.NewRoomEvent.Event.StateKeyEquals("") {
ev := update.NewRoomEvent.Event.Unwrap()
defer r.ACLs.OnServerACLUpdate(ev)
}
}
logger.Infof("Producing to topic '%s'", r.OutputRoomEventTopic)
messages[i] = &sarama.ProducerMessage{
Topic: r.OutputRoomEventTopic,
Key: sarama.StringEncoder(roomID),
Value: sarama.ByteEncoder(value),
logger.Tracef("Producing to topic '%s'", r.OutputRoomEventTopic)
if _, err := r.JetStream.PublishMsg(msg); err != nil {
logger.WithError(err).Errorf("Failed to produce to topic '%s': %s", r.OutputRoomEventTopic, err)
return err
}
}
errs := r.Producer.SendMessages(messages)
if errs != nil {
for _, err := range errs.(sarama.ProducerErrors) {
log.WithError(err).WithField("message_bytes", err.Msg.Value.Length()).Error("Write to kafka failed")
}
}
return errs
return nil
}
func init() {

6
roomserver/roomserver.go
View file

@ -41,8 +41,6 @@ func NewInternalAPI(
) api.RoomserverInternalAPI {
cfg := &base.Cfg.RoomServer
js, _, producer := jetstream.SetupConsumerProducer(&cfg.Matrix.JetStream)
var perspectiveServerNames []gomatrixserverlib.ServerName
for _, kp := range base.Cfg.SigningKeyServer.KeyPerspectives {
perspectiveServerNames = append(perspectiveServerNames, kp.ServerName)
@ -53,8 +51,10 @@ func NewInternalAPI(
logrus.WithError(err).Panicf("failed to connect to room server db")
}
js, _, _ := jetstream.Prepare(&cfg.Matrix.JetStream)
return internal.NewRoomserverAPI(
cfg, roomserverDB, js, producer,
cfg, roomserverDB, js,
cfg.Matrix.JetStream.TopicFor(jetstream.InputRoomEvent),
cfg.Matrix.JetStream.TopicFor(jetstream.OutputRoomEvent),
base.Caches, keyRing, perspectiveServerNames,

410
roomserver/roomserver_test.go
View file

@ -1,410 +0,0 @@
package roomserver
import (
"bytes"
"context"
"crypto/ed25519"
"encoding/json"
"fmt"
"os"
"reflect"
"testing"
"time"
"github.com/Shopify/sarama"
"github.com/matrix-org/dendrite/internal/caching"
"github.com/matrix-org/dendrite/internal/test"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/internal"
"github.com/matrix-org/dendrite/roomserver/storage"
"github.com/matrix-org/dendrite/setup"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
)
const (
testOrigin = gomatrixserverlib.ServerName("kaer.morhen")
// we have to use an on-disk DB because we open multiple connections due to the *Updater structs.
// Using :memory: results in a brand new DB for each open connection, and sharing memory via
// ?cache=shared just allows read-only sharing, so writes to the database on other connections are lost.
roomserverDBFileURI = "file:roomserver_test.db"
roomserverDBFilePath = "./roomserver_test.db"
)
var (
ctx = context.Background()
)
type dummyProducer struct {
topic string
producedMessages []*api.OutputEvent
}
// SendMessage produces a given message, and returns only when it either has
// succeeded or failed to produce. It will return the partition and the offset
// of the produced message, or an error if the message failed to produce.
func (p *dummyProducer) SendMessage(msg *sarama.ProducerMessage) (partition int32, offset int64, err error) {
if msg.Topic != p.topic {
return 0, 0, nil
}
be := msg.Value.(sarama.ByteEncoder)
b := json.RawMessage(be)
fmt.Println("SENDING >>>>>>>> ", string(b))
var out api.OutputEvent
err = json.Unmarshal(b, &out)
if err != nil {
return 0, 0, err
}
p.producedMessages = append(p.producedMessages, &out)
return 0, 0, nil
}
// SendMessages produces a given set of messages, and returns only when all
// messages in the set have either succeeded or failed. Note that messages
// can succeed and fail individually; if some succeed and some fail,
// SendMessages will return an error.
func (p *dummyProducer) SendMessages(msgs []*sarama.ProducerMessage) error {
for _, m := range msgs {
p.SendMessage(m)
}
return nil
}
// Close shuts down the producer and waits for any buffered messages to be
// flushed. You must call this function before a producer object passes out of
// scope, as it may otherwise leak memory. You must call this before calling
// Close on the underlying client.
func (p *dummyProducer) Close() error {
return nil
}
func deleteDatabase() {
err := os.Remove(roomserverDBFilePath)
if err != nil {
fmt.Printf("failed to delete database %s: %s\n", roomserverDBFilePath, err)
}
}
type fledglingEvent struct {
Type string
StateKey *string
Content interface{}
Sender string
RoomID string
}
func mustCreateEvents(t *testing.T, roomVer gomatrixserverlib.RoomVersion, events []fledglingEvent) (result []*gomatrixserverlib.HeaderedEvent) {
t.Helper()
depth := int64(1)
seed := make([]byte, ed25519.SeedSize) // zero seed
key := ed25519.NewKeyFromSeed(seed)
var prevs []string
roomState := make(map[gomatrixserverlib.StateKeyTuple]string) // state -> event ID
for _, ev := range events {
eb := gomatrixserverlib.EventBuilder{
Sender: ev.Sender,
Depth: depth,
Type: ev.Type,
StateKey: ev.StateKey,
RoomID: ev.RoomID,
PrevEvents: prevs,
}
err := eb.SetContent(ev.Content)
if err != nil {
t.Fatalf("mustCreateEvent: failed to marshal event content %+v", ev.Content)
}
stateNeeded, err := gomatrixserverlib.StateNeededForEventBuilder(&eb)
if err != nil {
t.Fatalf("mustCreateEvent: failed to work out auth_events : %s", err)
}
var authEvents []string
for _, tuple := range stateNeeded.Tuples() {
eventID := roomState[tuple]
if eventID != "" {
authEvents = append(authEvents, eventID)
}
}
eb.AuthEvents = authEvents
signedEvent, err := eb.Build(time.Now(), testOrigin, "ed25519:test", key, roomVer)
if err != nil {
t.Fatalf("mustCreateEvent: failed to sign event: %s", err)
}
depth++
prevs = []string{signedEvent.EventID()}
if ev.StateKey != nil {
roomState[gomatrixserverlib.StateKeyTuple{
EventType: ev.Type,
StateKey: *ev.StateKey,
}] = signedEvent.EventID()
}
result = append(result, signedEvent.Headered(roomVer))
}
return
}
func mustLoadRawEvents(t *testing.T, ver gomatrixserverlib.RoomVersion, events []json.RawMessage) []*gomatrixserverlib.HeaderedEvent {
t.Helper()
hs := make([]*gomatrixserverlib.HeaderedEvent, len(events))
for i := range events {
e, err := gomatrixserverlib.NewEventFromTrustedJSON(events[i], false, ver)
if err != nil {
t.Fatalf("cannot load test data: " + err.Error())
}
hs[i] = e.Headered(ver)
}
return hs
}
func mustCreateRoomserverAPI(t *testing.T) (api.RoomserverInternalAPI, *dummyProducer) {
t.Helper()
cfg := &config.Dendrite{}
cfg.Defaults()
cfg.Global.ServerName = testOrigin
cfg.RoomServer.Database = config.DatabaseOptions{
ConnectionString: roomserverDBFileURI,
}
dp := &dummyProducer{
topic: cfg.Global.JetStream.TopicFor(jetstream.OutputRoomEvent),
}
cache, err := caching.NewInMemoryLRUCache(false)
if err != nil {
t.Fatalf("failed to make caches: %s", err)
}
base := &setup.BaseDendrite{
Caches: cache,
Cfg: cfg,
}
roomserverDB, err := storage.Open(&cfg.RoomServer.Database, base.Caches)
if err != nil {
logrus.WithError(err).Panicf("failed to connect to room server db")
}
return internal.NewRoomserverAPI(
&cfg.RoomServer, roomserverDB, dp,
cfg.Global.JetStream.TopicFor(jetstream.InputRoomEvent),
cfg.Global.JetStream.TopicFor(jetstream.OutputRoomEvent),
base.Caches, &test.NopJSONVerifier{}, nil,
), dp
}
func mustSendEvents(t *testing.T, ver gomatrixserverlib.RoomVersion, events []json.RawMessage) (api.RoomserverInternalAPI, *dummyProducer, []*gomatrixserverlib.HeaderedEvent) {
t.Helper()
rsAPI, dp := mustCreateRoomserverAPI(t)
hevents := mustLoadRawEvents(t, ver, events)
if err := api.SendEvents(ctx, rsAPI, api.KindNew, hevents, testOrigin, nil); err != nil {
t.Errorf("failed to SendEvents: %s", err)
}
return rsAPI, dp, hevents
}
func TestOutputRedactedEvent(t *testing.T) {
redactionEvents := []json.RawMessage{
// create event
[]byte(`{"auth_events":[],"content":{"creator":"@userid:kaer.morhen"},"depth":0,"event_id":"$N4us6vqqq3RjvpKd:kaer.morhen","hashes":{"sha256":"WTdrCn/YsiounXcJPsLP8xT0ZjHiO5Ov0NvXYmK2onE"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"9+5JcpaN5b5KlHYHGp6r+GoNDH98lbfzGYwjfxensa5C5D/bDACaYnMDLnhwsHOE5nxgI+jT/GV271pz6PMSBQ"}},"state_key":"","type":"m.room.create"}`),
// join event
[]byte(`{"auth_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}]],"content":{"membership":"join"},"depth":1,"event_id":"$6sUiGPQ0a3tqYGKo:kaer.morhen","hashes":{"sha256":"eYVBC7RO+FlxRyW1aXYf/ad4Dzi7T93tArdGw3r4RwQ"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"tiDBTPFa53YMfHiupX3vSRE/ZcCiCjmGt7gDpIpDpwZapeays5Vqqcqb7KiywrDldpTkrrdJBAw2jXcq6ZyhDw"}},"state_key":"@userid:kaer.morhen","type":"m.room.member"}`),
// room name
[]byte(`{"auth_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}],["$6sUiGPQ0a3tqYGKo:kaer.morhen",{"sha256":"IS4HSMqpqVUGh1Z3qgC99YcaizjCoO4yFhYYe8j53IE"}]],"content":{"name":"My Room Name"},"depth":2,"event_id":"$VC1zZ9YWwuUbSNHD:kaer.morhen","hashes":{"sha256":"bpqTkfLx6KHzWz7/wwpsXnXwJWEGW14aV63ffexzDFg"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$6sUiGPQ0a3tqYGKo:kaer.morhen",{"sha256":"IS4HSMqpqVUGh1Z3qgC99YcaizjCoO4yFhYYe8j53IE"}]],"prev_state":[],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"mhJZ3X4bAKrF/T0mtPf1K2Tmls0h6xGY1IPDpJ/SScQBqDlu3HQR2BPa7emqj5bViyLTWVNh+ZCpzx/6STTrAg"}},"state_key":"","type":"m.room.name"}`),
// redact room name
[]byte(`{"auth_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}],["$6sUiGPQ0a3tqYGKo:kaer.morhen",{"sha256":"IS4HSMqpqVUGh1Z3qgC99YcaizjCoO4yFhYYe8j53IE"}]],"content":{"reason":"Spamming"},"depth":3,"event_id":"$tJI0pE3b8u9UMYpT:kaer.morhen","hashes":{"sha256":"/3TStqa5SQqYaEtl7ajEvSRvu6d12MMKfICUzrBpd2Q"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$VC1zZ9YWwuUbSNHD:kaer.morhen",{"sha256":"+l8cNa7syvm0EF7CAmQRlYknLEMjivnI4FLhB/TUBEY"}]],"redacts":"$VC1zZ9YWwuUbSNHD:kaer.morhen","room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"QBOh+amf0vTJbm6+9VwAcR9uJviBIor2KON0Y7+EyQx5YbUZEzW1HPeJxarLIHBcxMzgOVzjuM+StzjbUgDzAg"}},"type":"m.room.redaction"}`),
// message
[]byte(`{"auth_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}],["$6sUiGPQ0a3tqYGKo:kaer.morhen",{"sha256":"IS4HSMqpqVUGh1Z3qgC99YcaizjCoO4yFhYYe8j53IE"}]],"content":{"body":"Test Message"},"depth":4,"event_id":"$o8KHsgSIYbJrddnd:kaer.morhen","hashes":{"sha256":"IE/rGVlKOpiGWeIo887g1CK1drYqcWDZhL6THZHkJ1c"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$tJI0pE3b8u9UMYpT:kaer.morhen",{"sha256":"zvmwyXuDox7jpA16JRH6Fc1zbfQht2tpkBbMTUOi3Jw"}]],"room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"/3z+pJjiJXWhwfqIEzmNksvBHCoXTktK/y0rRuWJXw6i1+ygRG/suDCKhFuuz6gPapRmEMPVILi2mJqHHXPKAg"}},"type":"m.room.message"}`),
// redact previous message
[]byte(`{"auth_events":[["$N4us6vqqq3RjvpKd:kaer.morhen",{"sha256":"SylirfgfXFhscZL7p10NmOa1nFFEckiwz0lAideQMIM"}],["$6sUiGPQ0a3tqYGKo:kaer.morhen",{"sha256":"IS4HSMqpqVUGh1Z3qgC99YcaizjCoO4yFhYYe8j53IE"}]],"content":{"reason":"Spamming more"},"depth":5,"event_id":"$UpsE8belb2gJItJG:kaer.morhen","hashes":{"sha256":"zU8PWJOld/I7OtjdpltFSKC+DMNm2ZyEXAHcprsafD0"},"origin":"kaer.morhen","origin_server_ts":0,"prev_events":[["$o8KHsgSIYbJrddnd:kaer.morhen",{"sha256":"UgjMuCFXH4warIjKuwlRq9zZ6dSJrZWCd+CkqtgLSHM"}]],"redacts":"$o8KHsgSIYbJrddnd:kaer.morhen","room_id":"!roomid:kaer.morhen","sender":"@userid:kaer.morhen","signatures":{"kaer.morhen":{"ed25519:auto":"zxFGr/7aGOzqOEN6zRNrBpFkkMnfGFPbCteYL33wC+PycBPIK+2WRa5qlAR2+lcLiK3HjIzwRYkKNsVFTqvRAw"}},"type":"m.room.redaction"}`),
}
var redactedOutputs []api.OutputEvent
deleteDatabase()
_, producer, hevents := mustSendEvents(t, gomatrixserverlib.RoomVersionV1, redactionEvents)
defer deleteDatabase()
for _, msg := range producer.producedMessages {
if msg.Type == api.OutputTypeRedactedEvent {
redactedOutputs = append(redactedOutputs, *msg)
}
}
wantRedactedOutputs := []api.OutputEvent{
{
Type: api.OutputTypeRedactedEvent,
RedactedEvent: &api.OutputRedactedEvent{
RedactedEventID: hevents[2].EventID(),
RedactedBecause: hevents[3],
},
},
{
Type: api.OutputTypeRedactedEvent,
RedactedEvent: &api.OutputRedactedEvent{
RedactedEventID: hevents[4].EventID(),
RedactedBecause: hevents[5],
},
},
}
t.Logf("redactedOutputs: %+v", redactedOutputs)
if len(wantRedactedOutputs) != len(redactedOutputs) {
t.Fatalf("Got %d redacted events, want %d", len(redactedOutputs), len(wantRedactedOutputs))
}
for i := 0; i < len(wantRedactedOutputs); i++ {
if !reflect.DeepEqual(*redactedOutputs[i].RedactedEvent, *wantRedactedOutputs[i].RedactedEvent) {
t.Errorf("OutputRedactionEvent %d: wrong event got:\n%+v want:\n%+v", i+1, redactedOutputs[i].RedactedEvent, wantRedactedOutputs[i].RedactedEvent)
}
}
}
// This tests that rewriting state works correctly.
// This creates a small room with a create/join/name state, then replays it
// with a new room name. We expect the output events to contain the original events,
// followed by a single OutputNewRoomEvent with RewritesState set to true with the
// rewritten state events (with the 2nd room name).
func TestOutputRewritesState(t *testing.T) {
roomID := "!foo:" + string(testOrigin)
alice := "@alice:" + string(testOrigin)
emptyKey := ""
originalEvents := mustCreateEvents(t, gomatrixserverlib.RoomVersionV6, []fledglingEvent{
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"creator": alice,
"room_version": "6",
},
StateKey: &emptyKey,
Type: gomatrixserverlib.MRoomCreate,
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"membership": "join",
},
StateKey: &alice,
Type: gomatrixserverlib.MRoomMember,
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"body": "hello world",
},
StateKey: nil,
Type: "m.room.message",
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"name": "Room Name",
},
StateKey: &emptyKey,
Type: "m.room.name",
},
})
rewriteEvents := mustCreateEvents(t, gomatrixserverlib.RoomVersionV6, []fledglingEvent{
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"creator": alice,
},
StateKey: &emptyKey,
Type: gomatrixserverlib.MRoomCreate,
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"membership": "join",
},
StateKey: &alice,
Type: gomatrixserverlib.MRoomMember,
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"name": "Room Name 2",
},
StateKey: &emptyKey,
Type: "m.room.name",
},
{
RoomID: roomID,
Sender: alice,
Content: map[string]interface{}{
"body": "hello world 2",
},
StateKey: nil,
Type: "m.room.message",
},
})
deleteDatabase()
rsAPI, producer := mustCreateRoomserverAPI(t)
defer deleteDatabase()
err := api.SendEvents(context.Background(), rsAPI, api.KindNew, originalEvents, testOrigin, nil)
if err != nil {
t.Fatalf("failed to send original events: %s", err)
}
// assert we got them produced, this is just a sanity check and isn't the intention of this test
if len(producer.producedMessages) != len(originalEvents) {
t.Fatalf("SendEvents didn't result in same number of produced output events: got %d want %d", len(producer.producedMessages), len(originalEvents))
}
producer.producedMessages = nil // we aren't actually interested in these events, just the rewrite ones
var inputEvents []api.InputRoomEvent
// slowly build up the state IDs again, we're basically telling the roomserver what to store as a snapshot
var stateIDs []string
// skip the last event, we'll use this to tie together the rewrite as the KindNew event
for i := 0; i < len(rewriteEvents)-1; i++ {
ev := rewriteEvents[i]
inputEvents = append(inputEvents, api.InputRoomEvent{
Kind: api.KindOutlier,
Event: ev,
AuthEventIDs: ev.AuthEventIDs(),
HasState: true,
StateEventIDs: stateIDs,
})
if ev.StateKey() != nil {
stateIDs = append(stateIDs, ev.EventID())
}
}
lastEv := rewriteEvents[len(rewriteEvents)-1]
inputEvents = append(inputEvents, api.InputRoomEvent{
Kind: api.KindNew,
Event: lastEv,
AuthEventIDs: lastEv.AuthEventIDs(),
HasState: true,
StateEventIDs: stateIDs,
})
if err := api.SendInputRoomEvents(context.Background(), rsAPI, inputEvents); err != nil {
t.Fatalf("SendInputRoomEvents returned error for rewrite events: %s", err)
}
// we should just have one output event with the entire state of the room in it
if len(producer.producedMessages) != 1 {
t.Fatalf("Rewritten events got output, want only 1 got %d", len(producer.producedMessages))
}
outputEvent := producer.producedMessages[len(producer.producedMessages)-1]
if !outputEvent.NewRoomEvent.RewritesState {
t.Errorf("RewritesState flag not set on output event")
}
if !reflect.DeepEqual(stateIDs, outputEvent.NewRoomEvent.AddsStateEventIDs) {
t.Errorf("Output event is missing room state event IDs, got %v want %v", outputEvent.NewRoomEvent.AddsStateEventIDs, stateIDs)
}
if !bytes.Equal(outputEvent.NewRoomEvent.Event.JSON(), lastEv.JSON()) {
t.Errorf(
"Output event isn't the latest KindNew event:\ngot %s\nwant %s",
string(outputEvent.NewRoomEvent.Event.JSON()),
string(lastEv.JSON()),
)
}
if len(outputEvent.NewRoomEvent.AddStateEvents) != len(stateIDs) {
t.Errorf("Output event is missing room state events themselves, got %d want %d", len(outputEvent.NewRoomEvent.AddStateEvents), len(stateIDs))
}
// make sure the state got overwritten, check the room name
hasRoomName := false
for _, ev := range outputEvent.NewRoomEvent.AddStateEvents {
if ev.Type() == "m.room.name" {
hasRoomName = string(ev.Content()) == `{"name":"Room Name 2"}`
}
}
if !hasRoomName {
t.Errorf("Output event did not overwrite room state")
}
}