redirect to console project for browser (#12172)

cmd/generic-handlers.go

@@ -131,8 +131,26 @@ const (
 	loginPathPrefix         = SlashSeparator + "login"
 )
 
+// guessIsBrowserReq - returns true if the request is browser.
+// This implementation just validates user-agent and
+// looks for "Mozilla" string. This is no way certifiable
+// way to know if the request really came from a browser
+// since User-Agent's can be arbitrary. But this is just
+// a best effort function.
+func guessIsBrowserReq(req *http.Request) bool {
+	if req == nil {
+		return false
+	}
+	aType := getRequestAuthType(req)
+	return strings.Contains(req.Header.Get("User-Agent"), "Mozilla") && (aType == authTypeJWT || aType == authTypeAnonymous)
+}
+
 func setRedirectHandler(h http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if guessIsBrowserReq(r) {
+			http.Redirect(w, r, "https://github.com/minio/console", http.StatusMovedPermanently)
+			return
+		}
 		if !shouldProxy() || guessIsRPCReq(r) || guessIsHealthCheckReq(r) ||
 			guessIsMetricsReq(r) || isAdminReq(r) {
 			h.ServeHTTP(w, r)