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package s3
import (
"context"
"github.com/aws/aws-sdk-go-v2/service/s3/internal/customizations"
"github.com/aws/smithy-go/middleware"
)
// putBucketContextMiddleware stores the input bucket name within the request context (if
// present) which is required for a variety of custom S3 behaviors
type putBucketContextMiddleware struct{}
func (*putBucketContextMiddleware) ID() string {
return "putBucketContext"
}
func (m *putBucketContextMiddleware) HandleSerialize(
ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler,
) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if bucket, ok := m.bucketFromInput(in.Parameters); ok {
ctx = customizations.SetBucket(ctx, bucket)
}
return next.HandleSerialize(ctx, in)
}
func (m *putBucketContextMiddleware) bucketFromInput(params interface{}) (string, bool) {
v, ok := params.(bucketer)
if !ok {
return "", false
}
return v.bucket()
}
func addPutBucketContextMiddleware(stack *middleware.Stack) error {
// This is essentially a post-Initialize task - only run it once the input
// has received all modifications from that phase. Therefore we add it as
// an early Serialize step.
//
// FUTURE: it would be nice to have explicit phases that only we as SDK
// authors can hook into (such as between phases like this really should
// be)
return stack.Serialize.Add(&putBucketContextMiddleware{}, middleware.Before)
}
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