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https://issues.apache.org/jira/browse/TIKA-2675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518281#comment-16518281
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ASF GitHub Bot commented on TIKA-2675:
--------------------------------------
sebastian-nagel opened a new pull request #240: TIKA-2675 OpenDocumentParser
should fail on invalid zip files
URL: https://github.com/apache/tika/pull/240
- throw IOException if ZipInputStream is invalid or does not contain any
entries
Note: now the behavior on empty zip files is different, if called on a local
file (succeeds, empty document) or not (fails). The OpenDocument format spec
([section
17.2](http://docs.oasis-open.org/office/v1.1/OS/OpenDocument-v1.1.pdf), cf.
[wikipedia
article](https://en.wikipedia.org/wiki/OpenDocument_technical_specification#Format_internals))
does not state anything about empty zip files.
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> OpenDocumentParser should fail on invalid zip files
> ---------------------------------------------------
>
> Key: TIKA-2675
> URL: https://issues.apache.org/jira/browse/TIKA-2675
> Project: Tika
> Issue Type: Bug
> Components: parser
> Reporter: Sebastian Nagel
> Priority: Major
>
> The OpenDocumentParser assumes a zip file as container. However, if it is
> called on an invalid zip stream from a remote URL (see NUTCH-2603), the
> parser signals success and returns a document with no/empty content. The
> behavior is different when called on a local file: while the [constructor of
> ZipFile|https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipFile.html#ZipFile-java.io.File-]
> fails on invalid input, the [constructor of
> ZipInputStream|https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipInputStream.html#ZipInputStream-java.io.InputStream-]
> silently ignores the input.
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