CLDSRV-909: Reject CopyObject when source exceeds 5 GiB (backport)

[tcarmet]

Backport of #6177 to development/9.3.

Align cloudserver's CopyObject with the AWS S3 contract by rejecting requests whose source object exceeds 5 GiB. AWS S3 returns HTTP 400 InvalidRequest ("The specified copy source is larger than the maximum allowable size for a copy source: 5368709120") and expects clients to use the multipart copy flow instead; cloudserver previously accepted these requests. The bypassMaxPutObjectSize flag still overrides the limit, matching the PutObject behavior.

The first commit is a prettier-only reformat of the two touched files and can be skipped during review; the actual change lives in the three cherry-picked commits.

[bert-e]

Hello tcarmet,

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[bert-e]

Incorrect fix version

The Fix Version/s in issue CLDSRV-909 contains:

• 9.4.0

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

• 9.3.14

• 9.4.0

Please check the Fix Version/s of CLDSRV-909, or the target
branch of this pull request.

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
8493	2	8491	0

View the top 1 failed test(s) by shortest run time

"after each" hook for "should fail if trying to overwrite a delete marker"::MPU with x-scal-s3-version-id header With v4 signature "after each" hook for "should fail if trying to overwrite a delete marker"

Stack Traces | 0.013s run time

We encountered an internal error. Please try again.

View the full list of 1 ❄️ flaky test(s)

"after each" hook for "should fail if trying to overwrite a delete marker"::MPU with x-scal-s3-version-id header With default signature "after each" hook for "should fail if trying to overwrite a delete marker"

Flake rate in main: 90.12% (Passed 24 times, Failed 219 times)

Stack Traces | 0.015s run time

We encountered an internal error. Please try again.

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[tcarmet]

/create_integration_branches

[bert-e]

Conflict

A conflict has been raised during the creation of
integration branch w/9.4/bugfix/CLDSRV-909-enforce-copyobject-source-size-limit with contents from bugfix/CLDSRV-909-enforce-copyobject-source-size-limit
and development/9.4.

I have not created the integration branch.

Here are the steps to resolve this conflict:

 git fetch
 git checkout -B w/9.4/bugfix/CLDSRV-909-enforce-copyobject-source-size-limit origin/development/9.4
 git merge origin/bugfix/CLDSRV-909-enforce-copyobject-source-size-limit
 # <intense conflict resolution>
 git commit
 git push -u origin w/9.4/bugfix/CLDSRV-909-enforce-copyobject-source-size-limit

The following options are set: create_integration_branches