Files
go-away/lib/action/drop.go

42 lines
995 B
Go

package action
import (
"git.gammaspectra.live/git/go-away/lib/challenge"
"git.gammaspectra.live/git/go-away/lib/policy"
"github.com/goccy/go-yaml/ast"
"log/slog"
"net/http"
)
func init() {
Register[policy.RuleActionDROP] = func(state challenge.StateInterface, ruleName, ruleHash string, settings ast.Node) (Handler, error) {
return Drop{}, nil
}
}
type Drop struct {
}
func (a Drop) Handle(logger *slog.Logger, w http.ResponseWriter, r *http.Request, done func() (backend http.Handler)) (next bool, err error) {
logger.Info("request dropped")
if hj, ok := w.(http.Hijacker); ok {
if conn, _, err := hj.Hijack(); err == nil {
// drop without sending data
_ = conn.Close()
return false, nil
}
}
// fallback
w.Header().Set("Content-Type", "text/plain")
w.Header().Set("Content-Length", "0")
w.Header().Set("Connection", "close")
w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
w.WriteHeader(http.StatusForbidden)
return false, nil
}