29 lines
1 KiB
Go
29 lines
1 KiB
Go
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
// ExperimentalMiddleware is a the middleware in charge of adding the
|
|
// 'Docker-Experimental' header to every outgoing request
|
|
type ExperimentalMiddleware struct {
|
|
experimental string
|
|
}
|
|
|
|
// NewExperimentalMiddleware creates a new ExperimentalMiddleware
|
|
func NewExperimentalMiddleware(experimentalEnabled bool) ExperimentalMiddleware {
|
|
if experimentalEnabled {
|
|
return ExperimentalMiddleware{"true"}
|
|
}
|
|
return ExperimentalMiddleware{"false"}
|
|
}
|
|
|
|
// WrapHandler returns a new handler function wrapping the previous one in the request chain.
|
|
func (e ExperimentalMiddleware) WrapHandler(handler func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error) func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
|
|
w.Header().Set("Docker-Experimental", e.experimental)
|
|
return handler(ctx, w, r, vars)
|
|
}
|
|
}
|