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package s3control
import (
"context"
"github.com/aws/smithy-go/middleware"
)
// stashOperationInput clones the operation input at the start of the serialize
// phase to be modified as necessary by s3control customizations, then restores
// it after that phase (at the start of build) such that auth and endpoint
// resolution can flow as normal
type stashOperationInput struct {
origInput interface{}
}
func (*stashOperationInput) ID() string {
return "stashOperationInput"
}
type copyable interface {
copy() interface{}
}
func (m *stashOperationInput) HandleSerialize(
ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler,
) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if v, ok := in.Parameters.(copyable); ok {
m.origInput = v
in.Parameters = v.copy()
return next.HandleSerialize(ctx, in)
}
return next.HandleSerialize(ctx, in)
}
func (m *stashOperationInput) HandleBuild(
ctx context.Context, in middleware.BuildInput, next middleware.BuildHandler,
) (
out middleware.BuildOutput, metadata middleware.Metadata, err error,
) {
if m.origInput != nil {
ctx = setOperationInput(ctx, m.origInput)
}
return next.HandleBuild(ctx, in)
}
func addStashOperationInput(stack *middleware.Stack) error {
m := &stashOperationInput{}
if _, err := stack.Serialize.Swap("setOperationInput", m); err != nil {
return err
}
if err := stack.Build.Add(m, middleware.Before); err != nil {
return err
}
return nil
}
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