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https://issues.apache.org/jira/browse/NIFI-12709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867863#comment-17867863
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Daniel Stieglitz edited comment on NIFI-12709 at 7/22/24 8:16 PM:
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[~joewitt]
I could not find in the Javadocs for [encrypted zip
files|https://javadoc.io/doc/net.lingala.zip4j/zip4j/latest/net/lingala/zip4j/model/LocalFileHeader.html]
and [unencrypted zip files
|https://javadoc.io/static/org.apache.commons/commons-compress/1.26.2/org/apache/commons/compress/archivers/zip/ZipArchiveEntry.html]
any owner and creator information but I did find in both last modified time
and in the unencrypted API even creation time. In addition I was able to find a
unixMode in the unencrypted API. Also both API's have file size and
uncompressed file size. Which one did you have in mind or should we include
both? Lastly I am not sure why the the current implementation duplicates the
creation and the last modified time for tar entries. I see in the API the
ability to get both.
was (Author: JIRAUSER294662):
[~joewitt]
I could not find in the Javadocs for [encrypted zip
files|https://javadoc.io/doc/net.lingala.zip4j/zip4j/latest/net/lingala/zip4j/model/LocalFileHeader.html]
and [unencrypted zip files
|https://javadoc.io/static/org.apache.commons/commons-compress/1.26.2/org/apache/commons/compress/archivers/zip/ZipArchiveEntry.html]
any owner and creator information but I did find in both last modified time
and in the unencrypted API even creation time. In addition I was able to find a
unixMode in the unencrypted API. Also both API's have file size and
uncompressed file size. Which one did you have in mind or should we include
both. Lastly I am not sure why the the current implementation duplicates the
creation and the last modified time for tar entries. I see in the API the
ability to get both.
> UnpackContent should save attributes from the zip entries as flowfile
> attributes where possible
> -----------------------------------------------------------------------------------------------
>
> Key: NIFI-12709
> URL: https://issues.apache.org/jira/browse/NIFI-12709
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Joe Witt
> Assignee: Daniel Stieglitz
> Priority: Major
>
> In an email from Jan 31st to users list titled 'ExecuteStreamCommand failing
> to unzip incoming flowfiles'
> Issue is that UnpackContent doesn't capture much useful metadata. The user
> wants last modified date which is easily available, but also creator,
> creation time, and owner which are less obviously avaialble at least not
> consistently. But there is a concept of extra fields we can extract metadata
> from. We have those same fields available from Tar files so it is natural
> users would also want these. Given their names aren't standard though I see
> why Tar is the only one we currently say we support pulling those for. If we
> at least captured the metadata then flow builders can use it in their flows
> as they wish whereas right now we dont expose that information.
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