Change github service config format to include owner/repo filtering on webhooks

src/github.com/matrix-org/go-neb/services/github/github.go

@@ -26,7 +26,11 @@ type githubService struct {
 	BotUserID    string
 	GithubUserID string
 	RealmID      string
-	WebhookRooms map[string][]string // room_id => ["push","issue","pull_request"]
+	Rooms        map[string]struct { // room_id => {}
+		OwnerRepo map[string]struct { // owner/repo => { events: ["push","issue","pull_request"] }
+			Events []string
+		}
+	}
 }
 
 func (s *githubService) ServiceUserID() string { return s.BotUserID }
@@ -34,7 +38,7 @@ func (s *githubService) ServiceID() string     { return s.id }
 func (s *githubService) ServiceType() string   { return "github" }
 func (s *githubService) RoomIDs() []string {
 	var keys []string
-	for k := range s.WebhookRooms {
+	for k := range s.Rooms {
 		keys = append(keys, k)
 	}
 	return keys
@@ -130,9 +134,14 @@ func (s *githubService) OnReceiveWebhook(w http.ResponseWriter, req *http.Reques
 		return
 	}
 
-	for roomID, notif := range s.WebhookRooms {
+	for roomID, roomConfig := range s.Rooms {
+		for ownerRepo, repoConfig := range roomConfig.OwnerRepo {
+			if *repo.FullName != ownerRepo {
+				continue
+			}
+
 			notifyRoom := false
-		for _, notifyType := range notif {
+			for _, notifyType := range repoConfig.Events {
 				if evType == notifyType {
 					notifyRoom = true
 					break
@@ -152,6 +161,7 @@ func (s *githubService) OnReceiveWebhook(w http.ResponseWriter, req *http.Reques
 				}
 			}
 		}
+	}
 	w.WriteHeader(200)
 }
 func (s *githubService) Register() error {
@@ -167,6 +177,7 @@ func (s *githubService) Register() error {
 	if realm.Type() != "github" {
 		return fmt.Errorf("Realm is of type '%s', not 'github'", realm.Type())
 	}
+
 	return nil
 }