agozhiy commented on a change in pull request #1864: DRILL-7351: Added tokens 
to Web forms to prevent CSRF attacks
URL: https://github.com/apache/drill/pull/1864#discussion_r339040662
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/QueryResources.java
 ##########
 @@ -124,7 +126,7 @@ public QueryPage(WorkManager work, HttpServletRequest 
request) {
       onlyImpersonationEnabled = WebServer.isOnlyImpersonationEnabled(config);
       autoLimitEnabled = 
config.getBoolean(ExecConstants.HTTP_WEB_CLIENT_RESULTSET_AUTOLIMIT_CHECKED);
       defaultRowsAutoLimited = 
config.getInt(ExecConstants.HTTP_WEB_CLIENT_RESULTSET_AUTOLIMIT_ROWS);
-      csrfToken = Utilities.getCsrfTokenFromHttpRequest(request);
+      csrfToken = 
Optional.ofNullable(WebUtils.getCsrfTokenFromHttpRequest(request)).orElse("");
 
 Review comment:
   We need to inject something in web pages, even if it is null.

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