dendrite/setup/mscs/msc2836/msc2836_test.go

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package msc2836_test
import (
"bytes"
"context"
"crypto/ed25519"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"sort"
"strings"
"testing"
"time"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/internal/hooks"
"github.com/matrix-org/dendrite/internal/httputil"
roomserver "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/setup/mscs/msc2836"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
)
var (
client = &http.Client{
Timeout: 10 * time.Second,
}
)
// Basic sanity check of MSC2836 logic. Injects a thread that looks like:
// A
// |
// B
// / \
// C D
// /|\
// E F G
// |
// H
// And makes sure POST /event_relationships works with various parameters
func TestMSC2836(t *testing.T) {
alice := "@alice:localhost"
bob := "@bob:localhost"
charlie := "@charlie:localhost"
roomID := "!alice:localhost"
// give access tokens to all three users
nopUserAPI := &testUserAPI{
accessTokens: make(map[string]userapi.Device),
}
nopUserAPI.accessTokens["alice"] = userapi.Device{
AccessToken: "alice",
DisplayName: "Alice",
UserID: alice,
}
nopUserAPI.accessTokens["bob"] = userapi.Device{
AccessToken: "bob",
DisplayName: "Bob",
UserID: bob,
}
nopUserAPI.accessTokens["charlie"] = userapi.Device{
AccessToken: "charlie",
DisplayName: "Charles",
UserID: charlie,
}
eventA := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: alice,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[A] Do you know shelties?",
},
})
eventB := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: bob,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[B] I <3 shelties",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventA.EventID(),
},
},
})
eventC := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: bob,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[C] like so much",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventB.EventID(),
},
},
})
eventD := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: alice,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[D] but what are shelties???",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventB.EventID(),
},
},
})
eventE := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: bob,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[E] seriously???",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventD.EventID(),
},
},
})
eventF := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: charlie,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[F] omg how do you not know what shelties are",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventD.EventID(),
},
},
})
eventG := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: alice,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[G] looked it up, it's a sheltered person?",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventD.EventID(),
},
},
})
eventH := mustCreateEvent(t, fledglingEvent{
RoomID: roomID,
Sender: bob,
Type: "m.room.message",
Content: map[string]interface{}{
"body": "[H] it's a dog!!!!!",
"m.relationship": map[string]string{
"rel_type": "m.reference",
"event_id": eventE.EventID(),
},
},
})
// make everyone joined to each other's rooms
nopRsAPI := &testRoomserverAPI{
userToJoinedRooms: map[string][]string{
alice: []string{roomID},
bob: []string{roomID},
charlie: []string{roomID},
},
events: map[string]*gomatrixserverlib.HeaderedEvent{
eventA.EventID(): eventA,
eventB.EventID(): eventB,
eventC.EventID(): eventC,
eventD.EventID(): eventD,
eventE.EventID(): eventE,
eventF.EventID(): eventF,
eventG.EventID(): eventG,
eventH.EventID(): eventH,
},
}
router := injectEvents(t, nopUserAPI, nopRsAPI, []*gomatrixserverlib.HeaderedEvent{
eventA, eventB, eventC, eventD, eventE, eventF, eventG, eventH,
})
cancel := runServer(t, router)
defer cancel()
t.Run("returns 403 on invalid event IDs", func(t *testing.T) {
_ = postRelationships(t, 403, "alice", newReq(t, map[string]interface{}{
"event_id": "$invalid",
}))
})
t.Run("returns 403 if not joined to the room of specified event in request", func(t *testing.T) {
nopUserAPI.accessTokens["frank"] = userapi.Device{
AccessToken: "frank",
DisplayName: "Frank Not In Room",
UserID: "@frank:localhost",
}
_ = postRelationships(t, 403, "frank", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"limit": 1,
"include_parent": true,
}))
})
t.Run("returns the parent if include_parent is true", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"include_parent": true,
"limit": 2,
}))
assertContains(t, body, []string{eventB.EventID(), eventA.EventID()})
})
t.Run("returns the children in the right order if include_children is true", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventD.EventID(),
"include_children": true,
"recent_first": true,
"limit": 4,
}))
assertContains(t, body, []string{eventD.EventID(), eventG.EventID(), eventF.EventID(), eventE.EventID()})
body = postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventD.EventID(),
"include_children": true,
"recent_first": false,
"limit": 4,
}))
assertContains(t, body, []string{eventD.EventID(), eventE.EventID(), eventF.EventID(), eventG.EventID()})
})
t.Run("walks the graph depth first", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": true,
"limit": 6,
}))
// Oldest first so:
// A
// |
// B1
// / \
// C2 D3
// /| \
// 4E 6F G
// |
// 5H
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID(), eventH.EventID(), eventF.EventID()})
body = postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": true,
"depth_first": true,
"limit": 6,
}))
// Recent first so:
// A
// |
// B1
// / \
// C D2
// /| \
// E5 F4 G3
// |
// H6
assertContains(t, body, []string{eventB.EventID(), eventD.EventID(), eventG.EventID(), eventF.EventID(), eventE.EventID(), eventH.EventID()})
})
t.Run("walks the graph breadth first", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"limit": 6,
}))
// Oldest first so:
// A
// |
// B1
// / \
// C2 D3
// /| \
// E4 F5 G6
// |
// H
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID(), eventF.EventID(), eventG.EventID()})
body = postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": true,
"depth_first": false,
"limit": 6,
}))
// Recent first so:
// A
// |
// B1
// / \
// C3 D2
// /| \
// E6 F5 G4
// |
// H
assertContains(t, body, []string{eventB.EventID(), eventD.EventID(), eventC.EventID(), eventG.EventID(), eventF.EventID(), eventE.EventID()})
})
t.Run("caps via max_breadth", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"max_breadth": 2,
"limit": 10,
}))
// Event G gets omitted because of max_breadth
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID(), eventF.EventID(), eventH.EventID()})
})
t.Run("caps via max_depth", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"max_depth": 2,
"limit": 10,
}))
// Event H gets omitted because of max_depth
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID(), eventF.EventID(), eventG.EventID()})
})
t.Run("terminates when reaching the limit", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"limit": 4,
}))
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID()})
})
t.Run("returns all events with a high enough limit", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"limit": 400,
}))
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID(), eventE.EventID(), eventF.EventID(), eventG.EventID(), eventH.EventID()})
})
t.Run("can navigate up the graph with direction: up", func(t *testing.T) {
// A4
// |
// B3
// / \
// C D2
// /| \
// E F1 G
// |
// H
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventF.EventID(),
"recent_first": false,
"depth_first": true,
"direction": "up",
}))
assertContains(t, body, []string{eventF.EventID(), eventD.EventID(), eventB.EventID(), eventA.EventID()})
})
t.Run("includes children and children_hash in unsigned", func(t *testing.T) {
body := postRelationships(t, 200, "alice", newReq(t, map[string]interface{}{
"event_id": eventB.EventID(),
"recent_first": false,
"depth_first": false,
"limit": 3,
}))
// event B has C,D as children
// event C has no children
// event D has 3 children (not included in response)
assertContains(t, body, []string{eventB.EventID(), eventC.EventID(), eventD.EventID()})
assertUnsignedChildren(t, body.Events[0], "m.reference", 2, []string{eventC.EventID(), eventD.EventID()})
assertUnsignedChildren(t, body.Events[1], "", 0, nil)
assertUnsignedChildren(t, body.Events[2], "m.reference", 3, []string{eventE.EventID(), eventF.EventID(), eventG.EventID()})
})
}
// TODO: TestMSC2836TerminatesLoops (short and long)
// TODO: TestMSC2836UnknownEventsSkipped
// TODO: TestMSC2836SkipEventIfNotInRoom
func newReq(t *testing.T, jsonBody map[string]interface{}) *msc2836.EventRelationshipRequest {
t.Helper()
b, err := json.Marshal(jsonBody)
if err != nil {
t.Fatalf("Failed to marshal request: %s", err)
}
r, err := msc2836.NewEventRelationshipRequest(bytes.NewBuffer(b))
if err != nil {
t.Fatalf("Failed to NewEventRelationshipRequest: %s", err)
}
return r
}
func runServer(t *testing.T, router *mux.Router) func() {
t.Helper()
externalServ := &http.Server{
Addr: string(":8009"),
WriteTimeout: 60 * time.Second,
Handler: router,
}
go func() {
externalServ.ListenAndServe()
}()
// wait to listen on the port
time.Sleep(500 * time.Millisecond)
return func() {
externalServ.Shutdown(context.TODO())
}
}
func postRelationships(t *testing.T, expectCode int, accessToken string, req *msc2836.EventRelationshipRequest) *msc2836.EventRelationshipResponse {
t.Helper()
var r msc2836.EventRelationshipRequest
r.Defaults()
data, err := json.Marshal(req)
if err != nil {
t.Fatalf("failed to marshal request: %s", err)
}
httpReq, err := http.NewRequest(
"POST", "http://localhost:8009/_matrix/client/unstable/event_relationships",
bytes.NewBuffer(data),
)
httpReq.Header.Set("Authorization", "Bearer "+accessToken)
if err != nil {
t.Fatalf("failed to prepare request: %s", err)
}
res, err := client.Do(httpReq)
if err != nil {
t.Fatalf("failed to do request: %s", err)
}
if res.StatusCode != expectCode {
body, _ := ioutil.ReadAll(res.Body)
t.Fatalf("wrong response code, got %d want %d - body: %s", res.StatusCode, expectCode, string(body))
}
if res.StatusCode == 200 {
var result msc2836.EventRelationshipResponse
body, err := ioutil.ReadAll(res.Body)
if err != nil {
t.Fatalf("response 200 OK but failed to read response body: %s", err)
}
if err := json.Unmarshal(body, &result); err != nil {
t.Fatalf("response 200 OK but failed to deserialise JSON : %s\nbody: %s", err, string(body))
}
return &result
}
return nil
}
func assertContains(t *testing.T, result *msc2836.EventRelationshipResponse, wantEventIDs []string) {
t.Helper()
gotEventIDs := make([]string, len(result.Events))
for i, ev := range result.Events {
gotEventIDs[i] = ev.EventID
}
if len(gotEventIDs) != len(wantEventIDs) {
t.Fatalf("length mismatch: got %v want %v", gotEventIDs, wantEventIDs)
}
for i := range gotEventIDs {
if gotEventIDs[i] != wantEventIDs[i] {
t.Errorf("wrong item in position %d - got %s want %s", i, gotEventIDs[i], wantEventIDs[i])
}
}
}
func assertUnsignedChildren(t *testing.T, ev gomatrixserverlib.ClientEvent, relType string, wantCount int, childrenEventIDs []string) {
t.Helper()
unsigned := struct {
Children map[string]int `json:"children"`
Hash string `json:"children_hash"`
}{}
if err := json.Unmarshal(ev.Unsigned, &unsigned); err != nil {
if wantCount == 0 {
return // no children so possible there is no unsigned field at all
}
t.Fatalf("Failed to unmarshal unsigned field: %s", err)
}
// zero checks
if wantCount == 0 {
if len(unsigned.Children) != 0 || unsigned.Hash != "" {
t.Fatalf("want 0 children but got unsigned fields %+v", unsigned)
}
return
}
gotCount := unsigned.Children[relType]
if gotCount != wantCount {
t.Errorf("Got %d count, want %d count for rel_type %s", gotCount, wantCount, relType)
}
// work out the hash
sort.Strings(childrenEventIDs)
var b strings.Builder
for _, s := range childrenEventIDs {
b.WriteString(s)
}
t.Logf("hashing %s", b.String())
hashValBytes := sha256.Sum256([]byte(b.String()))
wantHash := base64.RawStdEncoding.EncodeToString(hashValBytes[:])
if wantHash != unsigned.Hash {
t.Errorf("Got unsigned hash %s want hash %s", unsigned.Hash, wantHash)
}
}
type testUserAPI struct {
userapi.UserInternalAPITrace
accessTokens map[string]userapi.Device
}
func (u *testUserAPI) QueryAccessToken(ctx context.Context, req *userapi.QueryAccessTokenRequest, res *userapi.QueryAccessTokenResponse) error {
dev, ok := u.accessTokens[req.AccessToken]
if !ok {
res.Err = fmt.Errorf("unknown token")
return nil
}
res.Device = &dev
return nil
}
type testRoomserverAPI struct {
// use a trace API as it implements method stubs so we don't need to have them here.
// We'll override the functions we care about.
roomserver.RoomserverInternalAPITrace
userToJoinedRooms map[string][]string
events map[string]*gomatrixserverlib.HeaderedEvent
}
func (r *testRoomserverAPI) QueryEventsByID(ctx context.Context, req *roomserver.QueryEventsByIDRequest, res *roomserver.QueryEventsByIDResponse) error {
for _, eventID := range req.EventIDs {
ev := r.events[eventID]
if ev != nil {
res.Events = append(res.Events, ev)
}
}
return nil
}
func (r *testRoomserverAPI) QueryMembershipForUser(ctx context.Context, req *roomserver.QueryMembershipForUserRequest, res *roomserver.QueryMembershipForUserResponse) error {
rooms := r.userToJoinedRooms[req.UserID]
for _, roomID := range rooms {
if roomID == req.RoomID {
res.IsInRoom = true
res.HasBeenInRoom = true
res.Membership = "join"
break
}
}
return nil
}
func injectEvents(t *testing.T, userAPI userapi.UserInternalAPI, rsAPI roomserver.RoomserverInternalAPI, events []*gomatrixserverlib.HeaderedEvent) *mux.Router {
t.Helper()
cfg := &config.Dendrite{}
cfg.Defaults()
cfg.Global.ServerName = "localhost"
cfg.MSCs.Database.ConnectionString = "file:msc2836_test.db"
cfg.MSCs.MSCs = []string{"msc2836"}
base := &setup.BaseDendrite{
Cfg: cfg,
PublicClientAPIMux: mux.NewRouter().PathPrefix(httputil.PublicClientPathPrefix).Subrouter(),
PublicFederationAPIMux: mux.NewRouter().PathPrefix(httputil.PublicFederationPathPrefix).Subrouter(),
}
err := msc2836.Enable(base, rsAPI, nil, userAPI, nil)
if err != nil {
t.Fatalf("failed to enable MSC2836: %s", err)
}
for _, ev := range events {
hooks.Run(hooks.KindNewEventPersisted, ev)
}
return base.PublicClientAPIMux
}
type fledglingEvent struct {
Type string
StateKey *string
Content interface{}
Sender string
RoomID string
}
func mustCreateEvent(t *testing.T, ev fledglingEvent) (result *gomatrixserverlib.HeaderedEvent) {
t.Helper()
roomVer := gomatrixserverlib.RoomVersionV6
seed := make([]byte, ed25519.SeedSize) // zero seed
key := ed25519.NewKeyFromSeed(seed)
eb := gomatrixserverlib.EventBuilder{
Sender: ev.Sender,
Depth: 999,
Type: ev.Type,
StateKey: ev.StateKey,
RoomID: ev.RoomID,
}
err := eb.SetContent(ev.Content)
if err != nil {
t.Fatalf("mustCreateEvent: failed to marshal event content %+v", ev.Content)
}
// make sure the origin_server_ts changes so we can test recency
time.Sleep(1 * time.Millisecond)
signedEvent, err := eb.Build(time.Now(), gomatrixserverlib.ServerName("localhost"), "ed25519:test", key, roomVer)
if err != nil {
t.Fatalf("mustCreateEvent: failed to sign event: %s", err)
}
h := signedEvent.Headered(roomVer)
return h
}