Files
minio/cmd
Feng Ruohang af56d17630 fix: forward plaintext on federated CopyObject of SSE objects (#158)
The legacy etcd bucket-federation branch of CopyObjectHandler reads its
source through getObjectNInfo, which yields the decrypted and
decompressed bytes, but it also ran the destination encryption locally
and then forwarded that stream to the remote PutObject with the source's
stored size and the destination SSE option. SSE to plain and plain to
SSE therefore failed on a Content-Length mismatch, while SSE to SSE
matched by coincidence: the remote encrypted the ciphertext a second
time and stored an unreadable object, and a destination GET returned
the inner ciphertext with HTTP 200.

The remote write owns the destination's storage transformations, so
hand it the logical bytes at their logical size and let it encrypt
exactly once. Compression was already excluded on this branch; apply
the same rule to encryption, size the forwarded reader by actualSize,
and declare that size on the forwarded PutObject.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FodsDpa6VkghaeRE6WjmEe
Signed-off-by: Feng Ruohang <rh@vonng.com>
2026-09-09 17:51:32 +08:00
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