coredns/plugin/header/handler.go
Qasim Sarfraz 00128bda4e
plugin/header: Introduce header plugin (#4752)
* Add header plugin

Signed-off-by: MQasimSarfraz <syed.qasim.sarfraz@gmail.com>

* fix import format

* improve README.md

* Add codeowners for header plugin
2021-07-15 09:32:39 +02:00

24 lines
582 B
Go

package header
import (
"context"
"github.com/coredns/coredns/plugin"
"github.com/miekg/dns"
)
// Header modifies dns.MsgHdr in the responses
type Header struct {
Rules []Rule
Next plugin.Handler
}
// ServeDNS implements the plugin.Handler interface.
func (h Header) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
wr := ResponseHeaderWriter{ResponseWriter: w, Rules: h.Rules}
return plugin.NextOrFailure(h.Name(), h.Next, ctx, &wr, r)
}
// Name implements the plugin.Handler interface.
func (h Header) Name() string { return "header" }