[GitHub] [pinot] soumitra-st commented on a diff in pull request #11132: Sanitise API inputs used as file path variables

["soumitra-st (via GitHub)" <gi...@apache.org>]

soumitra-st commented on code in PR #11132:
URL: https://github.com/apache/pinot/pull/11132#discussion_r1270682560


##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/LLCSegmentCompletionHandlers.java:
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@@ -448,8 +448,10 @@ private static File extractSegmentFromFormToLocalTempFile(FormDataMultiPart form
           "Invalid multi-part for segment: %s", segmentName);
       FormDataBodyPart bodyPart = map.values().iterator().next().get(0);
 
-      File localTempFile = new File(ControllerFilePathProvider.getInstance().getFileUploadTempDir(),
-          getTempSegmentFileName(segmentName));
+      File localTempFile = org.apache.pinot.common.utils.FileUtils.concatAndValidateFile(

Review Comment:
   Shall we import org.apache.pinot.common.utils.FileUtils?



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