mirror of
https://github.com/go-acme/lego.git
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63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package acme
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import (
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"crypto/tls"
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"fmt"
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"net"
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"net/http"
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)
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// TLSProviderServer implements ChallengeProvider for `TLS-SNI-01` challenge
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// It may be instantiated without using the NewTLSProviderServer function if
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// you want only to use the default values.
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type TLSProviderServer struct {
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iface string
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port string
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done chan bool
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listener net.Listener
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}
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// NewTLSProviderServer creates a new TLSProviderServer on the selected interface and port.
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// Setting iface and / or port to an empty string will make the server fall back to
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// the "any" interface and port 443 respectively.
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func NewTLSProviderServer(iface, port string) *TLSProviderServer {
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return &TLSProviderServer{iface: iface, port: port}
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}
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// Present makes the keyAuth available as a cert
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func (s *TLSProviderServer) Present(domain, token, keyAuth string) error {
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if s.port == "" {
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s.port = "443"
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}
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cert, _, err := TLSSNI01ChallengeCert(keyAuth)
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if err != nil {
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return err
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}
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tlsConf := new(tls.Config)
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tlsConf.Certificates = []tls.Certificate{cert}
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s.listener, err = tls.Listen("tcp", net.JoinHostPort(s.iface, s.port), tlsConf)
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if err != nil {
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return fmt.Errorf("Could not start HTTPS server for challenge -> %v", err)
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}
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s.done = make(chan bool)
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go func() {
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http.Serve(s.listener, nil)
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s.done <- true
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}()
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return nil
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}
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// CleanUp closes the HTTP server.
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func (s *TLSProviderServer) CleanUp(domain, token, keyAuth string) error {
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if s.listener == nil {
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return nil
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}
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s.listener.Close()
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<-s.done
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return nil
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}
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