Files
seaweedfs/weed/s3api
Chris LuandClaude Opus 4.6 d73c5f40f3 s3api: fix combined conditional header evaluation per RFC 7232
Per RFC 7232:
- Section 3.4: If-Unmodified-Since MUST be ignored when If-Match is
  present (If-Match is the more accurate replacement)
- Section 3.3: If-Modified-Since MUST be ignored when If-None-Match is
  present (If-None-Match is the more accurate replacement)

Previously, all four conditional headers were evaluated independently.
This caused incorrect 412 responses when If-Match succeeded but
If-Unmodified-Since failed (should return 200 per AWS S3 behavior).

Fix applied to both validateConditionalHeadersForReads (GET/HEAD) and
validateConditionalHeaders (PUT) paths.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 11:04:14 -08:00
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see https://blog.aqwari.net/xml-schema-go/

1. go get aqwari.net/xml/cmd/xsdgen
2. Add EncodingType element for ListBucketResult in AmazonS3.xsd
3. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
4. Remove empty Grantee struct in s3api_xsd_generated.go
5. Remove xmlns: sed s'/http:\/\/s3.amazonaws.com\/doc\/2006-03-01\/\ //' s3api_xsd_generated.go