/
remove_bucket_middleware.go
63 lines (52 loc) · 1.8 KB
/
remove_bucket_middleware.go
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package customizations
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/smithy-go/middleware"
"github.com/aws/smithy-go/transport/http"
)
// removeBucketFromPathMiddleware needs to be executed after serialize step is performed
type removeBucketFromPathMiddleware struct {
}
func (m *removeBucketFromPathMiddleware) ID() string {
return "S3:RemoveBucketFromPathMiddleware"
}
func (m *removeBucketFromPathMiddleware) HandleSerialize(
ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler,
) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if !awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
// check if a bucket removal from HTTP path is required
bucket, ok := getRemoveBucketFromPath(ctx)
if !ok {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*http.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown request type %T", req)
}
removeBucketFromPath(req.URL, bucket)
return next.HandleSerialize(ctx, in)
}
type removeBucketKey struct {
bucket string
}
// setBucketToRemoveOnContext sets the bucket name to be removed.
//
// Scoped to stack values. Use github.com/aws/smithy-go/middleware#ClearStackValues
// to clear all stack values.
func setBucketToRemoveOnContext(ctx context.Context, bucket string) context.Context {
return middleware.WithStackValue(ctx, removeBucketKey{}, bucket)
}
// getRemoveBucketFromPath returns the bucket name to remove from the path.
//
// Scoped to stack values. Use github.com/aws/smithy-go/middleware#ClearStackValues
// to clear all stack values.
func getRemoveBucketFromPath(ctx context.Context) (string, bool) {
v, ok := middleware.GetStackValue(ctx, removeBucketKey{}).(string)
return v, ok
}