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Posted to oak-issues@jackrabbit.apache.org by "Matt Ryan (JIRA)" <ji...@apache.org> on 2019/01/22 22:38:00 UTC

[jira] [Created] (OAK-7998) [DirectBinaryAccess] Verify that binary exists in cloud before creating signed download URI

Matt Ryan created OAK-7998:
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             Summary: [DirectBinaryAccess] Verify that binary exists in cloud before creating signed download URI
                 Key: OAK-7998
                 URL: https://issues.apache.org/jira/browse/OAK-7998
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: blob-cloud, blob-cloud-azure
    Affects Versions: 1.10.0
            Reporter: Matt Ryan
            Assignee: Matt Ryan
             Fix For: 1.11.0


IIUC, the direct binary access download logic doesn't actually verify that the requested blob is available in the cloud before creating the signed download URI.  It is possible that a user could request a download URI for a blob that is "in the repo" but hasn't actually been uploaded yet.

We should verify this by uploading a new blob, preventing it being uploaded to the cloud (retain in cache), and then request the download URI.  We should get a null back or get some other error or exception; if we get a URI it would return an HTTP 404 if the blob is not actually uploaded yet (maybe this would also be ok).



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