DoS on quines

[tballison]

On Tika we've gathered two quines with their creators' permissions. One is a zip file that when unzipped is exactly the same file; the other is a gz file with the same behavior.

I can't imagine DROID would run into these in the wild, but it might be useful to add some max depth checks to prevent runaway processing.

Links to the files: https://github.com/apache/tika/blob/main/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pkg-module/src/test/resources/test-documents/droste.zip https://github.com/apache/tika/blob/main/tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pkg-module/src/test/resources/test-documents/quine.gz

[tballison]

Oh, and if you're on a mac, double-click the quine.gz for entertainment. I've reported it to Apple, but they haven't fixed it yet that I'm aware. Make sure to have kill process at the ready.