[PR] NIFI-10002 Validate Directory Path in ListFile [nifi]

["exceptionfactory (via GitHub)" <gi...@apache.org>]

exceptionfactory opened a new pull request, #9393:
URL: https://github.com/apache/nifi/pull/9393

   # Summary
   
   [NIFI-10002](https://issues.apache.org/jira/browse/NIFI-10002) Adds validation to the evaluated Directory path when performing a listing in the `ListFile` Processor. The validation checks for `null` or a blank string and throws an `IOException` when found.
   
   An empty string is valid constructor argument for `java.io.File` but should never be valid for the `ListFile` Processor as it defaults to the current process working directory. The exception message indicates that the configured expression value for the `Directory` property should be checked. The `Directory` property supports environment variables or other expression language functions, so checking the evaluated expression before listing is necessary to avoid unexpected listing of the current working directory.
   
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Re: [PR] NIFI-10002 Validate Directory Path in ListFile [nifi]

["asfgit (via GitHub)" <gi...@apache.org>]

asfgit closed pull request #9393: NIFI-10002 Validate Directory Path in ListFile
URL: https://github.com/apache/nifi/pull/9393


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