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https://issues.apache.org/jira/browse/HDDS-16672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shuo Huang updated HDDS-16672:
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Summary: Support RFC 2047 encoding for S3 user metadata (was: S3 Gateway
corrupts Unicode user metadata values)
> Support RFC 2047 encoding for S3 user metadata
> ----------------------------------------------
>
> Key: HDDS-16672
> URL: https://issues.apache.org/jira/browse/HDDS-16672
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Shuo Huang
> Assignee: Shuo Huang
> Priority: Major
> Labels: pull-request-available
>
> Problem
> The ceph/s3-tests test_object_set_get_unicode_metadata test fails against
> Ozone when an x-amz-meta-* value contains non-ASCII characters.
> For example:
> x-amz-meta-meta1: Hello Worldé
> is not returned correctly by S3 Gateway.
> Investigation showed that Amazon S3 uses RFC 2047 for non-ASCII user
> metadata. Ozone currently does not decode RFC 2047 request values or encode
> non-ASCII response values.
> Expected behavior
> - Decode RFC 2047 Q/B values before storing user metadata.
> - Encode non-ASCII metadata in GET and HEAD responses.
> - Return ASCII metadata unchanged.
> References
> ceph/s3-tests:
> https://github.com/ceph/s3-tests/blob/fb8b73092bb1dd8db829f1205a9e52e73bf9a232/s3tests/functional/test_s3.py#L1883-L1899
> Amazon S3 metadata behavior:
> https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingMetadata.html#UserMetadata
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