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CLDSRV-1039: Authorize a copy of a specific source version like a GetObject - #6331

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tcarmet wants to merge 2 commits into
development/9.3from
bugfix/CLDSRV-1039-versioned-copy-source-authorization
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tcarmet wants to merge 2 commits into
development/9.3from
bugfix/CLDSRV-1039-versioned-copy-source-authorization

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@tcarmet

@tcarmet tcarmet commented Oct 15, 2026

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When a copy named a specific version of its source (?versionId=, including null), the source read was checked as a GetObject, while the identity check had been made for GetObjectVersion. So the requester's identity policy was never applied, and bucket policy statements on s3:GetObjectVersion were ignored. A copy of a specific version is now authorized like a GetObject of that version, and its quota is still evaluated. As a result, a bucket policy Deny meant to protect every version must cover s3:GetObjectVersion (or s3:GetObject*), not only s3:GetObject.

…Object

Authorize the source of a versioned copy with objectGetVersion, the action
checked by the authorization service, so its implicit deny is no longer read
as an allow and bucket policy statements on s3:GetObjectVersion apply. Keep
evaluating quotas for such a copy.
@bert-e

bert-e commented Oct 15, 2026

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Hello tcarmet,

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@bert-e

bert-e commented Oct 15, 2026

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Incorrect fix version

The Fix Version/s in issue CLDSRV-1039 contains:

  • None

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

  • 9.3.24

  • 9.4.9

  • 9.5.0

  • 9.6.0

Please check the Fix Version/s of CLDSRV-1039, or the target
branch of this pull request.

Comment on lines +258 to +259
const copySourceApiName = apiName === 'objectGetVersion' ? 'objectGet' : apiName;
if (actionNeedQuotaCheckCopy(copySourceApiName, apiMethod)) {

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This looks kinda convoluted to me, as actionNeedQuotaCheckCopy is a super simple function that may not deserve to be in Arsenal IMHO.

I think one of the following could be done:

  • the whole logic could probably be just pasted there and then the new objectGetVersion case be inserted naturally in the tested condition
  • the copy-specific actions may be inserted in the actionNeedQuotaCheck constant object in arsenal, and the extra source action condition can be pasted in here, but this may have side-effects as actionNeedQuotaCheck is used elsewhere.

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3 participants