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package acme

import (
	"io"
	"log"
	"net/http"
	"path"
)

type httpSolver struct {
	http.Server
}

func NewHTTPSolver(addr string) (Solver, error) {
	s := &httpSolver{
		Server: http.Server{Addr: addr},
	}
	go func() {
		if err := s.ListenAndServe(); err != nil {
			log.Fatal(err)
		}
	}()
	return s, nil
}

func (s *httpSolver) Solve(ch Challenge) error {
	p := path.Join(WellKnown, ch.Token)
	log.Println("solve http", p)
	http.HandleFunc(p, func(w http.ResponseWriter, r *http.Request) {
		io.WriteString(w, ch.KeyAuthorization)
	})
	return nil
}

func (s *httpSolver) Solved() error { return nil }

func (httpSolver) Type() ChalType { return ChallengeHTTP }