ACME TLS ALPN

provider/acme/challenge_tls.go

@@ -0,0 +1,52 @@
+package acme
+
+import (
+	"crypto/tls"
+
+	"github.com/containous/traefik/log"
+	"github.com/containous/traefik/types"
+	"github.com/xenolf/lego/acme"
+)
+
+var _ acme.ChallengeProvider = (*challengeTLSALPN)(nil)
+
+type challengeTLSALPN struct {
+	Store Store
+}
+
+func (c *challengeTLSALPN) Present(domain, token, keyAuth string) error {
+	log.Debugf("TLS Challenge Present temp certificate for %s", domain)
+
+	certPEMBlock, keyPEMBlock, err := acme.TLSALPNChallengeBlocks(domain, keyAuth)
+	if err != nil {
+		return err
+	}
+
+	cert := &Certificate{Certificate: certPEMBlock, Key: keyPEMBlock, Domain: types.Domain{Main: "TEMP-" + domain}}
+	return c.Store.AddTLSChallenge(domain, cert)
+}
+
+func (c *challengeTLSALPN) CleanUp(domain, token, keyAuth string) error {
+	log.Debugf("TLS Challenge CleanUp temp certificate for %s", domain)
+
+	return c.Store.RemoveTLSChallenge(domain)
+}
+
+// GetTLSALPNCertificate Get the temp certificate for ACME TLS-ALPN-O1 challenge.
+func (p *Provider) GetTLSALPNCertificate(domain string) (*tls.Certificate, error) {
+	cert, err := p.Store.GetTLSChallenge(domain)
+	if err != nil {
+		return nil, err
+	}
+
+	if cert == nil {
+		return nil, nil
+	}
+
+	certificate, err := tls.X509KeyPair(cert.Certificate, cert.Key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &certificate, nil
+}