Do not forward messages to Firebase if topic is not world-readable

auth/auth.go

@@ -64,8 +64,8 @@ type User struct {
 // Grant is a struct that represents an access control entry to a topic
 type Grant struct {
 	TopicPattern string // May include wildcard (*)
-	Read         bool
-	Write        bool
+	AllowRead    bool
+	AllowWrite   bool
 }
 
 // Permission represents a read or write permission to a topic

auth/auth_sqlite.go

@@ -281,8 +281,8 @@ func (a *SQLiteAuth) readGrants(username string) ([]Grant, error) {
 		}
 		grants = append(grants, Grant{
 			TopicPattern: fromSQLWildcard(topic),
-			Read:         read,
-			Write:        write,
+			AllowRead:    read,
+			AllowWrite:   write,
 		})
 	}
 	return grants, nil