Append target profile to invite events created from a 3PID invite (#227)

* Append target profile to invite events created from a 3PID invite

* Don't redeclare err

* Add check on invited server

src/github.com/matrix-org/dendrite/cmd/dendrite-federation-api-server/main.go

@@ -20,6 +20,7 @@ import (
 	"os"
 
 	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
@@ -58,6 +59,11 @@ func main() {
 		log.Panicf("Failed to setup key database(%q): %s", cfg.Database.ServerKey, err.Error())
 	}
 
+	accountDB, err := accounts.NewDatabase(string(cfg.Database.Account), cfg.Matrix.ServerName)
+	if err != nil {
+		log.Panicf("Failed to setup account database(%q): %s", cfg.Database.Account, err.Error())
+	}
+
 	keyRing := gomatrixserverlib.KeyRing{
 		KeyFetchers: []gomatrixserverlib.KeyFetcher{
 			// TODO: Use perspective key fetchers for production.
@@ -78,7 +84,7 @@ func main() {
 	log.Info("Starting federation API server on ", cfg.Listen.FederationAPI)
 
 	api := mux.NewRouter()
-	routing.Setup(api, *cfg, queryAPI, roomserverProducer, keyRing, federation)
+	routing.Setup(api, *cfg, queryAPI, roomserverProducer, keyRing, federation, accountDB)
 	common.SetupHTTPAPI(http.DefaultServeMux, api)
 
 	log.Fatal(http.ListenAndServe(string(cfg.Listen.FederationAPI), nil))

src/github.com/matrix-org/dendrite/cmd/dendrite-monolith-server/main.go

@@ -333,6 +333,7 @@ func (m *monolith) setupAPIs() {
 
 	federationapi_routing.Setup(
 		m.api, *m.cfg, m.queryAPI, m.roomServerProducer, m.keyRing, m.federation,
+		m.accountDB,
 	)
 
 	publicroomsapi_routing.Setup(m.api, m.deviceDB, m.publicRoomsAPIDB)

src/github.com/matrix-org/dendrite/federationapi/routing/routing.go

@@ -19,6 +19,7 @@ import (
 	"time"
 
 	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/common/config"
@@ -42,6 +43,7 @@ func Setup(
 	producer *producers.RoomserverProducer,
 	keys gomatrixserverlib.KeyRing,
 	federation *gomatrixserverlib.FederationClient,
+	accountDB *accounts.Database,
 ) {
 	v2keysmux := apiMux.PathPrefix(pathPrefixV2Keys).Subrouter()
 	v1fedmux := apiMux.PathPrefix(pathPrefixV1Federation).Subrouter()
@@ -81,7 +83,7 @@ func Setup(
 
 	v1fedmux.Handle("/3pid/onbind", common.MakeAPI("3pid_onbind",
 		func(req *http.Request) util.JSONResponse {
-			return writers.CreateInvitesFrom3PIDInvites(req, query, cfg, producer, federation)
+			return writers.CreateInvitesFrom3PIDInvites(req, query, cfg, producer, federation, accountDB)
 		},
 	)).Methods("POST", "OPTIONS")
 

src/github.com/matrix-org/dendrite/federationapi/writers/threepid.go

@@ -22,6 +22,7 @@ import (
 	"net/http"
 	"time"
 
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
@@ -50,12 +51,16 @@ type invites struct {
 	Invites []invite `json:"invites"`
 }
 
-var errNotInRoom = errors.New("the server isn't currently in the room")
+var (
+	errNotLocalUser = errors.New("the user is not from this server")
+	errNotInRoom    = errors.New("the server isn't currently in the room")
+)
 
 // CreateInvitesFrom3PIDInvites implements POST /_matrix/federation/v1/3pid/onbind
 func CreateInvitesFrom3PIDInvites(
 	req *http.Request, queryAPI api.RoomserverQueryAPI, cfg config.Dendrite,
 	producer *producers.RoomserverProducer, federation *gomatrixserverlib.FederationClient,
+	accountDB *accounts.Database,
 ) util.JSONResponse {
 	var body invites
 	if reqErr := httputil.UnmarshalJSONRequest(req, &body); reqErr != nil {
@@ -65,7 +70,7 @@ func CreateInvitesFrom3PIDInvites(
 	evs := []gomatrixserverlib.Event{}
 	for _, inv := range body.Invites {
 		event, err := createInviteFrom3PIDInvite(
-			req.Context(), queryAPI, cfg, inv, federation,
+			req.Context(), queryAPI, cfg, inv, federation, accountDB,
 		)
 		if err != nil {
 			return httputil.LogThenError(req, err)
@@ -165,7 +170,17 @@ func ExchangeThirdPartyInvite(
 func createInviteFrom3PIDInvite(
 	ctx context.Context, queryAPI api.RoomserverQueryAPI, cfg config.Dendrite,
 	inv invite, federation *gomatrixserverlib.FederationClient,
+	accountDB *accounts.Database,
 ) (*gomatrixserverlib.Event, error) {
+	localpart, server, err := gomatrixserverlib.SplitID('@', inv.MXID)
+	if err != nil {
+		return nil, err
+	}
+
+	if server != cfg.Matrix.ServerName {
+		return nil, errNotLocalUser
+	}
+
 	// Build the event
 	builder := &gomatrixserverlib.EventBuilder{
 		Type:     "m.room.member",
@@ -174,15 +189,21 @@ func createInviteFrom3PIDInvite(
 		StateKey: &inv.MXID,
 	}
 
+	profile, err := accountDB.GetProfileByLocalpart(localpart)
+	if err != nil {
+		return nil, err
+	}
+
 	content := common.MemberContent{
-		// TODO: Load the profile
+		AvatarURL:   profile.AvatarURL,
+		DisplayName: profile.DisplayName,
 		Membership:  "invite",
 		ThirdPartyInvite: &common.TPInvite{
 			Signed: inv.Signed,
 		},
 	}
 
-	if err := builder.SetContent(content); err != nil {
+	if err = builder.SetContent(content); err != nil {
 		return nil, err
 	}