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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