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h5vx
13e6458d90
Site replication emitted SRBucketMetaTypeCorsConfig on PutBucketCors, but
the peer receive/apply, initial-sync, status, and heal paths did not carry
the CORS metadata. Replicated sites could therefore diverge on CORS config
even though the originating request succeeded.
Complete every site-replication path for CORS, mirroring the SSEConfig
pattern:
- peer apply: PeerBucketCorsConfigHandler + item.Cors handling in
PeerBucketMetadataUpdateHandler, with an updatedAt staleness guard
- initial sync: push existing CorsConfigXML via BucketMetaHook
- status: parse per-site CorsConfig, count/compare, surface
CorsCfgMismatch/HasCorsCfgSet/ReplicatedCorsConfig, and include CORS in
the bucket-stats aggregation filter
- heal: healCORSMetadata, including nil -> delete propagation
Also harden the request/config path:
- PutBucketCors validates the supplied Content-MD5/checksum via
validateLengthAndChecksum
- CORS validation rejects more than one wildcard per AllowedOrigin/
AllowedHeader and enforces the 255-char rule ID limit
- preflight responses Vary on Origin, Access-Control-Request-Method, and
Access-Control-Request-Headers
Add focused tests for the CORS SR transport round-trip, the metadata
equality helper, and the new validation constraints.
Signed-off-by: h5vx <h5v@protonmail.com>