Disable noisy log warning

util/http.go

@@ -4,22 +4,18 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
-
-	"github.com/sirupsen/logrus"
 )
 
 func GetAccessTokenFromRequest(request *http.Request) string {
 	token := request.Header.Get("Authorization")
 
 	if token != "" {
-		if !strings.HasPrefix(token, "Bearer") {
-			logrus.Warn("Invalid Authorization header observed: expected a Bearer token, got something else")
+		if !strings.HasPrefix(token, "Bearer ") { // including space
+			// It's probably an X-Matrix authentication header (federation)
+			//logrus.Warn("Invalid Authorization header observed: expected a Bearer token, got something else")
 			return ""
 		}
-		if len(token) > 7 {
-			// "Bearer <token>"
-			return token[7:]
-		}
+		return token[len("Bearer "):] // including space
 	}
 
 	return request.URL.Query().Get("access_token")