Files
seaweedFS/weed/s3api
Chris Lu 99a2e79efc fix: authenticate before parsing form in IAM API (#7803)
fix: authenticate before parsing form in IAM API (#7802)

The AuthIam middleware was calling ParseForm() before AuthSignatureOnly(),
which consumed the request body before signature verification could hash it.

For IAM requests (service != 's3'), the signature verification needs to hash
the request body. When ParseForm() was called first, the body was already
consumed, resulting in an empty body hash and SignatureDoesNotMatch error.

The fix moves authentication before form parsing. The streamHashRequestBody
function preserves the body after reading, so ParseForm() works correctly
after authentication.

Fixes #7802
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fix
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fmt
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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